diff options
Diffstat (limited to 'drivers')
274 files changed, 10515 insertions, 8746 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index f4f000abc4e..20eacc2c9e0 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -3,6 +3,7 @@ # menu "ACPI (Advanced Configuration and Power Interface) Support" + depends on !X86_NUMAQ depends on !X86_VISWS depends on !IA64_HP_SIM depends on IA64 || X86 @@ -77,6 +78,20 @@ config ACPI_SLEEP_PROC_SLEEP Create /proc/acpi/sleep Deprecated by /sys/power/state +config ACPI_PROCFS + bool "Procfs interface (deprecated)" + depends on ACPI + default y + ---help--- + Procfs interface for ACPI is made optional for back-compatible. + As the same functions are duplicated in sysfs interface + and this proc interface will be removed some time later, + it's marked as deprecated. + ( /proc/acpi/debug_layer && debug_level are deprecated by + /sys/module/acpi/parameters/debug_layer && debug_level. + /proc/acpi/info is deprecated by + /sys/module/acpi/parameters/acpica_version ) + config ACPI_AC tristate "AC Adapter" depends on X86 @@ -107,7 +122,7 @@ config ACPI_BUTTON config ACPI_VIDEO tristate "Video" - depends on X86 + depends on X86 && BACKLIGHT_CLASS_DEVICE help This driver implement the ACPI Extensions For Display Adapters for integrated graphics devices on motherboard, as specified in @@ -139,6 +154,13 @@ config ACPI_DOCK help This driver adds support for ACPI controlled docking stations +config ACPI_BAY + tristate "Removable Drive Bay (EXPERIMENTAL)" + depends on EXPERIMENTAL + help + This driver adds support for ACPI controlled removable drive + bays such as the IBM ultrabay or the Dell Module Bay. + config ACPI_PROCESSOR tristate "Processor" default y @@ -186,19 +208,22 @@ config ACPI_ASUS Note: display switching code is currently considered EXPERIMENTAL, toying with these values may even lock your machine. - + All settings are changed via /proc/acpi/asus directory entries. Owner and group for these entries can be set with asus_uid and asus_gid parameters. - + More information and a userspace daemon for handling the extra buttons at <http://sourceforge.net/projects/acpi4asus/>. - + If you have an ACPI-compatible ASUS laptop, say Y or M here. This driver is still under development, so if your laptop is unsupported or something works not quite as expected, please use the mailing list - available on the above page (acpi4asus-user@lists.sourceforge.net) - + available on the above page (acpi4asus-user@lists.sourceforge.net). + + NOTE: This driver is deprecated and will probably be removed soon, + use asus-laptop instead. + config ACPI_IBM tristate "IBM ThinkPad Laptop Extras" depends on X86 diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile index bce7ca27b42..856c32bccac 100644 --- a/drivers/acpi/Makefile +++ b/drivers/acpi/Makefile @@ -37,13 +37,15 @@ endif obj-y += sleep/ obj-y += bus.o glue.o +obj-y += scan.o obj-$(CONFIG_ACPI_AC) += ac.o obj-$(CONFIG_ACPI_BATTERY) += battery.o obj-$(CONFIG_ACPI_BUTTON) += button.o obj-$(CONFIG_ACPI_EC) += ec.o obj-$(CONFIG_ACPI_FAN) += fan.o obj-$(CONFIG_ACPI_DOCK) += dock.o -obj-$(CONFIG_ACPI_VIDEO) += video.o +obj-$(CONFIG_ACPI_BAY) += bay.o +obj-$(CONFIG_ACPI_VIDEO) += video.o obj-$(CONFIG_ACPI_HOTKEY) += hotkey.o obj-y += pci_root.o pci_link.o pci_irq.o pci_bind.o obj-$(CONFIG_ACPI_POWER) += power.o @@ -56,7 +58,6 @@ obj-$(CONFIG_ACPI_NUMA) += numa.o obj-$(CONFIG_ACPI_ASUS) += asus_acpi.o obj-$(CONFIG_ACPI_IBM) += ibm_acpi.o obj-$(CONFIG_ACPI_TOSHIBA) += toshiba_acpi.o -obj-y += scan.o motherboard.o obj-$(CONFIG_ACPI_HOTPLUG_MEMORY) += acpi_memhotplug.o obj-y += cm_sbs.o obj-$(CONFIG_ACPI_SBS) += i2c_ec.o sbs.o diff --git a/drivers/acpi/asus_acpi.c b/drivers/acpi/asus_acpi.c index 396140bbbe5..31ad70a6e22 100644 --- a/drivers/acpi/asus_acpi.c +++ b/drivers/acpi/asus_acpi.c @@ -26,7 +26,7 @@ * Pontus Fuchs - Helper functions, cleanup * Johann Wiesner - Small compile fixes * John Belmonte - ACPI code for Toshiba laptop was a good starting point. - * Éric Burghard - LED display support for W1N + * �ic Burghard - LED display support for W1N * */ @@ -1128,7 +1128,6 @@ static int asus_model_match(char *model) static int asus_hotk_get_info(void) { struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; - struct acpi_buffer dsdt = { ACPI_ALLOCATE_BUFFER, NULL }; union acpi_object *model = NULL; int bsts_result; char *string = NULL; @@ -1142,11 +1141,9 @@ static int asus_hotk_get_info(void) * HID), this bit will be moved. A global variable asus_info contains * the DSDT header. */ - status = acpi_get_table(ACPI_TABLE_ID_DSDT, 1, &dsdt); + status = acpi_get_table(ACPI_SIG_DSDT, 1, &asus_info); if (ACPI_FAILURE(status)) printk(KERN_WARNING " Couldn't get the DSDT table header\n"); - else - asus_info = dsdt.pointer; /* We have to write 0 on init this far for all ASUS models */ if (!write_acpi_int(hotk->handle, "INIT", 0, &buffer)) { @@ -1358,8 +1355,6 @@ static void __exit asus_acpi_exit(void) acpi_bus_unregister_driver(&asus_hotk_driver); remove_proc_entry(PROC_ASUS, acpi_root_dir); - kfree(asus_info); - return; } diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index 5f43e0d1489..2f4521a48fe 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -64,7 +64,7 @@ extern void *acpi_unlock_battery_dir(struct proc_dir_entry *acpi_battery_dir); static int acpi_battery_add(struct acpi_device *device); static int acpi_battery_remove(struct acpi_device *device, int type); -static int acpi_battery_resume(struct acpi_device *device, int status); +static int acpi_battery_resume(struct acpi_device *device); static struct acpi_driver acpi_battery_driver = { .name = ACPI_BATTERY_DRIVER_NAME, @@ -753,7 +753,7 @@ static int acpi_battery_remove(struct acpi_device *device, int type) } /* this is needed to learn about changes made in suspended state */ -static int acpi_battery_resume(struct acpi_device *device, int state) +static int acpi_battery_resume(struct acpi_device *device) { struct acpi_battery *battery; diff --git a/drivers/acpi/bay.c b/drivers/acpi/bay.c new file mode 100644 index 00000000000..667fa1dfa1a --- /dev/null +++ b/drivers/acpi/bay.c @@ -0,0 +1,490 @@ +/* + * bay.c - ACPI removable drive bay driver + * + * Copyright (C) 2006 Kristen Carlson Accardi <kristen.c.accardi@intel.com> + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or (at + * your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + */ +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/types.h> +#include <linux/notifier.h> +#include <acpi/acpi_bus.h> +#include <acpi/acpi_drivers.h> +#include <linux/seq_file.h> +#include <asm/uaccess.h> +#include <linux/platform_device.h> + +#define ACPI_BAY_DRIVER_NAME "ACPI Removable Drive Bay Driver" + +ACPI_MODULE_NAME("bay") +MODULE_AUTHOR("Kristen Carlson Accardi"); +MODULE_DESCRIPTION(ACPI_BAY_DRIVER_NAME); +MODULE_LICENSE("GPL"); +#define ACPI_BAY_CLASS "bay" +#define ACPI_BAY_COMPONENT 0x10000000 +#define _COMPONENT ACPI_BAY_COMPONENT +#define bay_dprintk(h,s) {\ + char prefix[80] = {'\0'};\ + struct acpi_buffer buffer = {sizeof(prefix), prefix};\ + acpi_get_name(h, ACPI_FULL_PATHNAME, &buffer);\ + printk(KERN_DEBUG PREFIX "%s: %s\n", prefix, s); } +static void bay_notify(acpi_handle handle, u32 event, void *data); +static int acpi_bay_add(struct acpi_device *device); +static int acpi_bay_remove(struct acpi_device *device, int type); + +static struct acpi_driver acpi_bay_driver = { + .name = ACPI_BAY_DRIVER_NAME, + .class = ACPI_BAY_CLASS, + .ids = ACPI_BAY_HID, + .ops = { + .add = acpi_bay_add, + .remove = acpi_bay_remove, + }, +}; + +struct bay { + acpi_handle handle; + char *name; + struct list_head list; + struct platform_device *pdev; +}; + +static LIST_HEAD(drive_bays); + + +/***************************************************************************** + * Drive Bay functions * + *****************************************************************************/ +/** + * is_ejectable - see if a device is ejectable + * @handle: acpi handle of the device + * + * If an acpi object has a _EJ0 method, then it is ejectable + */ +static int is_ejectable(acpi_handle handle) +{ + acpi_status status; + acpi_handle tmp; + + status = acpi_get_handle(handle, "_EJ0", &tmp); + if (ACPI_FAILURE(status)) + return 0; + return 1; +} + +/** + * bay_present - see if the bay device is present + * @bay: the drive bay + * + * execute the _STA method. + */ +static int bay_present(struct bay *bay) +{ + unsigned long sta; + acpi_status status; + + if (bay) { + status = acpi_evaluate_integer(bay->handle, "_STA", NULL, &sta); + if (ACPI_SUCCESS(status) && sta) + return 1; + } + return 0; +} + +/** + * eject_device - respond to an eject request + * @handle - the device to eject + * + * Call this devices _EJ0 method. + */ +static void eject_device(acpi_handle handle) +{ + struct acpi_object_list arg_list; + union acpi_object arg; + + bay_dprintk(handle, "Ejecting device"); + + arg_list.count = 1; + arg_list.pointer = &arg; + arg.type = ACPI_TYPE_INTEGER; + arg.integer.value = 1; + + if (ACPI_FAILURE(acpi_evaluate_object(handle, "_EJ0", + &arg_list, NULL))) + pr_debug("Failed to evaluate _EJ0!\n"); +} + +/* + * show_present - read method for "present" file in sysfs + */ +static ssize_t show_present(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct bay *bay = dev_get_drvdata(dev); + return snprintf(buf, PAGE_SIZE, "%d\n", bay_present(bay)); + +} +DEVICE_ATTR(present, S_IRUGO, show_present, NULL); + +/* + * write_eject - write method for "eject" file in sysfs + */ +static ssize_t write_eject(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct bay *bay = dev_get_drvdata(dev); + + if (!count) + return -EINVAL; + + eject_device(bay->handle); + return count; +} +DEVICE_ATTR(eject, S_IWUSR, NULL, write_eject); + +/** + * is_ata - see if a device is an ata device + * @handle: acpi handle of the device + * + * If an acpi object has one of 4 ATA ACPI methods defined, + * then it is an ATA device + */ +static int is_ata(acpi_handle handle) +{ + acpi_handle tmp; + + if ((ACPI_SUCCESS(acpi_get_handle(handle, "_GTF", &tmp))) || + (ACPI_SUCCESS(acpi_get_handle(handle, "_GTM", &tmp))) || + (ACPI_SUCCESS(acpi_get_handle(handle, "_STM", &tmp))) || + (ACPI_SUCCESS(acpi_get_handle(handle, "_SDD", &tmp)))) + return 1; + + return 0; +} + +/** + * parent_is_ata(acpi_handle handle) + * + */ +static int parent_is_ata(acpi_handle handle) +{ + acpi_handle phandle; + + if (acpi_get_parent(handle, &phandle)) + return 0; + + return is_ata(phandle); +} + +/** + * is_ejectable_bay - see if a device is an ejectable drive bay + * @handle: acpi handle of the device + * + * If an acpi object is ejectable and has one of the ACPI ATA + * methods defined, then we can safely call it an ejectable + * drive bay + */ +static int is_ejectable_bay(acpi_handle handle) +{ + if ((is_ata(handle) || parent_is_ata(handle)) && is_ejectable(handle)) + return 1; + return 0; +} + +/** + * eject_removable_drive - try to eject this drive + * @dev : the device structure of the drive + * + * If a device is a removable drive that requires an _EJ0 method + * to be executed in order to safely remove from the system, do + * it. ATM - always returns success + */ +int eject_removable_drive(struct device *dev) +{ + acpi_handle handle = DEVICE_ACPI_HANDLE(dev); + + if (handle) { + bay_dprintk(handle, "Got device handle"); + if (is_ejectable_bay(handle)) + eject_device(handle); + } else { + printk("No acpi handle for device\n"); + } + + /* should I return an error code? */ + return 0; +} +EXPORT_SYMBOL_GPL(eject_removable_drive); + +static int acpi_bay_add(struct acpi_device *device) +{ + bay_dprintk(device->handle, "adding bay device"); + strcpy(acpi_device_name(device), "Dockable Bay"); + strcpy(acpi_device_class(device), "bay"); + return 0; +} + +static int acpi_bay_add_fs(struct bay *bay) +{ + int ret; + struct device *dev = &bay->pdev->dev; + + ret = device_create_file(dev, &dev_attr_present); + if (ret) + goto add_fs_err; + ret = device_create_file(dev, &dev_attr_eject); + if (ret) { + device_remove_file(dev, &dev_attr_present); + goto add_fs_err; + } + return 0; + + add_fs_err: + bay_dprintk(bay->handle, "Error adding sysfs files\n"); + return ret; +} + +static void acpi_bay_remove_fs(struct bay *bay) +{ + struct device *dev = &bay->pdev->dev; + + /* cleanup sysfs */ + device_remove_file(dev, &dev_attr_present); + device_remove_file(dev, &dev_attr_eject); +} + +static int bay_is_dock_device(acpi_handle handle) +{ + acpi_handle parent; + + acpi_get_parent(handle, &parent); + + /* if the device or it's parent is dependent on the + * dock, then we are a dock device + */ + return (is_dock_device(handle) || is_dock_device(parent)); +} + +static int bay_add(acpi_handle handle, int id) +{ + acpi_status status; + struct bay *new_bay; + struct platform_device *pdev; + struct acpi_buffer nbuffer = {ACPI_ALLOCATE_BUFFER, NULL}; + acpi_get_name(handle, ACPI_FULL_PATHNAME, &nbuffer); + + bay_dprintk(handle, "Adding notify handler"); + + /* + * Initialize bay device structure + */ + new_bay = kzalloc(GFP_ATOMIC, sizeof(*new_bay)); + INIT_LIST_HEAD(&new_bay->list); + new_bay->handle = handle; + new_bay->name = (char *)nbuffer.pointer; + + /* initialize platform device stuff */ + pdev = platform_device_register_simple(ACPI_BAY_CLASS, id, NULL, 0); + if (pdev == NULL) { + printk(KERN_ERR PREFIX "Error registering bay device\n"); + goto bay_add_err; + } + new_bay->pdev = pdev; + platform_set_drvdata(pdev, new_bay); + + if (acpi_bay_add_fs(new_bay)) { + platform_device_unregister(new_bay->pdev); + goto bay_add_err; + } + + /* register for events on this device */ + status = acpi_install_notify_handler(handle, ACPI_SYSTEM_NOTIFY, + bay_notify, new_bay); + if (ACPI_FAILURE(status)) { + printk(KERN_ERR PREFIX "Error installing bay notify handler\n"); + } + + /* if we are on a dock station, we should register for dock + * notifications. + */ + if (bay_is_dock_device(handle)) { + bay_dprintk(handle, "Is dependent on dock\n"); + register_hotplug_dock_device(handle, bay_notify, new_bay); + } + list_add(&new_bay->list, &drive_bays); + printk(KERN_INFO PREFIX "Bay [%s] Added\n", new_bay->name); + return 0; + +bay_add_err: + kfree(new_bay->name); + kfree(new_bay); + return -ENODEV; +} + +static int acpi_bay_remove(struct acpi_device *device, int type) +{ + /*** FIXME: do something here */ + return 0; +} + +/** + * bay_create_acpi_device - add new devices to acpi + * @handle - handle of the device to add + * + * This function will create a new acpi_device for the given + * handle if one does not exist already. This should cause + * acpi to scan for drivers for the given devices, and call + * matching driver's add routine. + * + * Returns a pointer to the acpi_device corresponding to the handle. + */ +static struct acpi_device * bay_create_acpi_device(acpi_handle handle) +{ + struct acpi_device *device = NULL; + struct acpi_device *parent_device; + acpi_handle parent; + int ret; + + bay_dprintk(handle, "Trying to get device"); + if (acpi_bus_get_device(handle, &device)) { + /* + * no device created for this object, + * so we should create one. + */ + bay_dprintk(handle, "No device for handle"); + acpi_get_parent(handle, &parent); + if (acpi_bus_get_device(parent, &parent_device)) + parent_device = NULL; + + ret = acpi_bus_add(&device, parent_device, handle, + ACPI_BUS_TYPE_DEVICE); + if (ret) { + pr_debug("error adding bus, %x\n", + -ret); + return NULL; + } + } + return device; +} + +/** + * bay_notify - act upon an acpi bay notification + * @handle: the bay handle + * @event: the acpi event + * @data: our driver data struct + * + */ +static void bay_notify(acpi_handle handle, u32 event, void *data) +{ + struct acpi_device *dev; + + bay_dprintk(handle, "Bay event"); + + switch(event) { + case ACPI_NOTIFY_BUS_CHECK: + printk("Bus Check\n"); + case ACPI_NOTIFY_DEVICE_CHECK: + printk("Device Check\n"); + dev = bay_create_acpi_device(handle); + if (dev) + acpi_bus_generate_event(dev, event, 0); + else + printk("No device for generating event\n"); + /* wouldn't it be a good idea to just rescan SATA + * right here? + */ + break; + case ACPI_NOTIFY_EJECT_REQUEST: + printk("Eject request\n"); + dev = bay_create_acpi_device(handle); + if (dev) + acpi_bus_generate_event(dev, event, 0); + else + printk("No device for generating eventn"); + + /* wouldn't it be a good idea to just call the + * eject_device here if we were a SATA device? + */ + break; + default: + printk("unknown event %d\n", event); + } +} + +static acpi_status +find_bay(acpi_handle handle, u32 lvl, void *context, void **rv) +{ + int *count = (int *)context; + + /* + * there could be more than one ejectable bay. + * so, just return AE_OK always so that every object + * will be checked. + */ + if (is_ejectable_bay(handle)) { + bay_dprintk(handle, "found ejectable bay"); + if (!bay_add(handle, *count)) + (*count)++; + } + return AE_OK; +} + +static int __init bay_init(void) +{ + int bays = 0; + + INIT_LIST_HEAD(&drive_bays); + + /* look for dockable drive bays */ + acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT, + ACPI_UINT32_MAX, find_bay, &bays, NULL); + + if (bays) + if ((acpi_bus_register_driver(&acpi_bay_driver) < 0)) + printk(KERN_ERR "Unable to register bay driver\n"); + + if (!bays) + return -ENODEV; + + return 0; +} + +static void __exit bay_exit(void) +{ + struct bay *bay, *tmp; + + list_for_each_entry_safe(bay, tmp, &drive_bays, list) { + if (is_dock_device(bay->handle)) + unregister_hotplug_dock_device(bay->handle); + acpi_bay_remove_fs(bay); + acpi_remove_notify_handler(bay->handle, ACPI_SYSTEM_NOTIFY, + bay_notify); + platform_device_unregister(bay->pdev); + kfree(bay->name); + kfree(bay); + } + + acpi_bus_unregister_driver(&acpi_bay_driver); +} + +postcore_initcall(bay_init); +module_exit(bay_exit); + diff --git a/drivers/acpi/blacklist.c b/drivers/acpi/blacklist.c index f9c972b26f4..f289fd41e77 100644 --- a/drivers/acpi/blacklist.c +++ b/drivers/acpi/blacklist.c @@ -44,7 +44,7 @@ struct acpi_blacklist_item { char oem_id[7]; char oem_table_id[9]; u32 oem_revision; - acpi_table_type table; + char *table; enum acpi_blacklist_predicates oem_revision_predicate; char *reason; u32 is_critical_error; @@ -56,18 +56,18 @@ struct acpi_blacklist_item { */ static struct acpi_blacklist_item acpi_blacklist[] __initdata = { /* Compaq Presario 1700 */ - {"PTLTD ", " DSDT ", 0x06040000, ACPI_DSDT, less_than_or_equal, + {"PTLTD ", " DSDT ", 0x06040000, ACPI_SIG_DSDT, less_than_or_equal, "Multiple problems", 1}, /* Sony FX120, FX140, FX150? */ - {"SONY ", "U0 ", 0x20010313, ACPI_DSDT, less_than_or_equal, + {"SONY ", "U0 ", 0x20010313, ACPI_SIG_DSDT, less_than_or_equal, "ACPI driver problem", 1}, /* Compaq Presario 800, Insyde BIOS */ - {"INT440", "SYSFexxx", 0x00001001, ACPI_DSDT, less_than_or_equal, + {"INT440", "SYSFexxx", 0x00001001, ACPI_SIG_DSDT, less_than_or_equal, "Does not use _REG to protect EC OpRegions", 1}, /* IBM 600E - _ADR should return 7, but it returns 1 */ - {"IBM ", "TP600E ", 0x00000105, ACPI_DSDT, less_than_or_equal, + {"IBM ", "TP600E ", 0x00000105, ACPI_SIG_DSDT, less_than_or_equal, "Incorrect _ADR", 1}, - {"ASUS\0\0", "P2B-S ", 0, ACPI_DSDT, all_versions, + {"ASUS\0\0", "P2B-S ", 0, ACPI_SIG_DSDT, all_versions, "Bogus PCI routing", 1}, {""} @@ -79,7 +79,7 @@ static int __init blacklist_by_year(void) { int year = dmi_get_year(DMI_BIOS_DATE); /* Doesn't exist? Likely an old system */ - if (year == -1) + if (year == -1) return 1; /* 0? Likely a buggy new BIOS */ if (year == 0) @@ -103,22 +103,21 @@ int __init acpi_blacklisted(void) { int i = 0; int blacklisted = 0; - struct acpi_table_header *table_header; + struct acpi_table_header table_header; while (acpi_blacklist[i].oem_id[0] != '\0') { - if (acpi_get_table_header_early - (acpi_blacklist[i].table, &table_header)) { + if (acpi_get_table_header(acpi_blacklist[i].table, 0, &table_header)) { i++; continue; } - if (strncmp(acpi_blacklist[i].oem_id, table_header->oem_id, 6)) { + if (strncmp(acpi_blacklist[i].oem_id, table_header.oem_id, 6)) { i++; continue; } if (strncmp - (acpi_blacklist[i].oem_table_id, table_header->oem_table_id, + (acpi_blacklist[i].oem_table_id, table_header.oem_table_id, 8)) { i++; continue; @@ -127,14 +126,14 @@ int __init acpi_blacklisted(void) if ((acpi_blacklist[i].oem_revision_predicate == all_versions) || (acpi_blacklist[i].oem_revision_predicate == less_than_or_equal - && table_header->oem_revision <= + && table_header.oem_revision <= acpi_blacklist[i].oem_revision) || (acpi_blacklist[i].oem_revision_predicate == greater_than_or_equal - && table_header->oem_revision >= + && table_header.oem_revision >= acpi_blacklist[i].oem_revision) || (acpi_blacklist[i].oem_revision_predicate == equal - && table_header->oem_revision == + && table_header.oem_revision == acpi_blacklist[i].oem_revision)) { printk(KERN_ERR PREFIX diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index 766332e4559..c26468da429 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -44,9 +44,6 @@ ACPI_MODULE_NAME("acpi_bus") extern void __init acpi_pic_sci_set_trigger(unsigned int irq, u16 trigger); #endif -struct fadt_descriptor acpi_fadt; -EXPORT_SYMBOL(acpi_fadt); - struct acpi_device *acpi_root; struct proc_dir_entry *acpi_root_dir; EXPORT_SYMBOL(acpi_root_dir); @@ -195,7 +192,7 @@ int acpi_bus_set_power(acpi_handle handle, int state) if (!device->flags.power_manageable) { ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device `[%s]' is not power manageable\n", - device->kobj.name)); + device->dev.kobj.name)); return -ENODEV; } /* @@ -582,11 +579,12 @@ static int __init acpi_bus_init_irq(void) return 0; } +acpi_native_uint acpi_gbl_permanent_mmap; + + void __init acpi_early_init(void) { acpi_status status = AE_OK; - struct acpi_buffer buffer = { sizeof(acpi_fadt), &acpi_fadt }; - if (acpi_disabled) return; @@ -597,6 +595,15 @@ void __init acpi_early_init(void) if (!acpi_strict) acpi_gbl_enable_interpreter_slack = TRUE; + acpi_gbl_permanent_mmap = 1; + + status = acpi_reallocate_root_table(); + if (ACPI_FAILURE(status)) { + printk(KERN_ERR PREFIX + "Unable to reallocate ACPI tables\n"); + goto error0; + } + status = acpi_initialize_subsystem(); if (ACPI_FAILURE(status)) { printk(KERN_ERR PREFIX @@ -611,32 +618,25 @@ void __init acpi_early_init(void) goto error0; } - /* - * Get a separate copy of the FADT for use by other drivers. - */ - status = acpi_get_table(ACPI_TABLE_ID_FADT, 1, &buffer); - if (ACPI_FAILURE(status)) { - printk(KERN_ERR PREFIX "Unable to get the FADT\n"); - goto error0; - } #ifdef CONFIG_X86 if (!acpi_ioapic) { - extern acpi_interrupt_flags acpi_sci_flags; + extern u8 acpi_sci_flags; /* compatible (0) means level (3) */ - if (acpi_sci_flags.trigger == 0) - acpi_sci_flags.trigger = 3; - + if (!(acpi_sci_flags & ACPI_MADT_TRIGGER_MASK)) { + acpi_sci_flags &= ~ACPI_MADT_TRIGGER_MASK; + acpi_sci_flags |= ACPI_MADT_TRIGGER_LEVEL; + } /* Set PIC-mode SCI trigger type */ - acpi_pic_sci_set_trigger(acpi_fadt.sci_int, - acpi_sci_flags.trigger); + acpi_pic_sci_set_trigger(acpi_gbl_FADT.sci_interrupt, + (acpi_sci_flags & ACPI_MADT_TRIGGER_MASK) >> 2); } else { extern int acpi_sci_override_gsi; /* - * now that acpi_fadt is initialized, + * now that acpi_gbl_FADT is initialized, * update it with result from INT_SRC_OVR parsing */ - acpi_fadt.sci_int = acpi_sci_override_gsi; + acpi_gbl_FADT.sci_interrupt = acpi_sci_override_gsi; } #endif diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c index ac860583c20..c726612fafb 100644 --- a/drivers/acpi/button.c +++ b/drivers/acpi/button.c @@ -75,7 +75,7 @@ static int acpi_button_state_open_fs(struct inode *inode, struct file *file); static struct acpi_driver acpi_button_driver = { .name = ACPI_BUTTON_DRIVER_NAME, .class = ACPI_BUTTON_CLASS, - .ids = "ACPI_FPB,ACPI_FSB,PNP0C0D,PNP0C0C,PNP0C0E", + .ids = "button_power,button_sleep,PNP0C0D,PNP0C0C,PNP0C0E", .ops = { .add = acpi_button_add, .remove = acpi_button_remove, diff --git a/drivers/acpi/container.c b/drivers/acpi/container.c index 0a1863ec91f..69a68fd394c 100644 --- a/drivers/acpi/container.c +++ b/drivers/acpi/container.c @@ -167,7 +167,7 @@ static void container_notify_cb(acpi_handle handle, u32 type, void *context) if (ACPI_FAILURE(status) || !device) { result = container_device_add(&device, handle); if (!result) - kobject_uevent(&device->kobj, + kobject_uevent(&device->dev.kobj, KOBJ_ONLINE); else printk("Failed to add container\n"); @@ -175,13 +175,13 @@ static void container_notify_cb(acpi_handle handle, u32 type, void *context) } else { if (ACPI_SUCCESS(status)) { /* device exist and this is a remove request */ - kobject_uevent(&device->kobj, KOBJ_OFFLINE); + kobject_uevent(&device->dev.kobj, KOBJ_OFFLINE); } } break; case ACPI_NOTIFY_EJECT_REQUEST: if (!acpi_bus_get_device(handle, &device) && device) { - kobject_uevent(&device->kobj, KOBJ_OFFLINE); + kobject_uevent(&device->dev.kobj, KOBJ_OFFLINE); } break; default: diff --git a/drivers/acpi/debug.c b/drivers/acpi/debug.c index 35c6af8a83c..d48f65a8f65 100644 --- a/drivers/acpi/debug.c +++ b/drivers/acpi/debug.c @@ -13,14 +13,11 @@ #define _COMPONENT ACPI_SYSTEM_COMPONENT ACPI_MODULE_NAME("debug") -#define ACPI_SYSTEM_FILE_DEBUG_LAYER "debug_layer" -#define ACPI_SYSTEM_FILE_DEBUG_LEVEL "debug_level" + #ifdef MODULE_PARAM_PREFIX #undef MODULE_PARAM_PREFIX #endif -#define MODULE_PARAM_PREFIX - module_param(acpi_dbg_layer, uint, 0400); -module_param(acpi_dbg_level, uint, 0400); +#define MODULE_PARAM_PREFIX "acpi." struct acpi_dlayer { const char *name; @@ -86,6 +83,60 @@ static const struct acpi_dlevel acpi_debug_levels[] = { ACPI_DEBUG_INIT(ACPI_LV_EVENTS), }; +/* -------------------------------------------------------------------------- + FS Interface (/sys) + -------------------------------------------------------------------------- */ +static int param_get_debug_layer(char *buffer, struct kernel_param *kp) { + int result = 0; + int i; + + result = sprintf(buffer, "%-25s\tHex SET\n", "Description"); + + for(i = 0; i <ARRAY_SIZE(acpi_debug_layers); i++) { + result += sprintf(buffer+result, "%-25s\t0x%08lX [%c]\n", + acpi_debug_layers[i].name, + acpi_debug_layers[i].value, + (acpi_dbg_layer & acpi_debug_layers[i].value) ? '*' : ' '); + } + result += sprintf(buffer+result, "%-25s\t0x%08X [%c]\n", "ACPI_ALL_DRIVERS", + ACPI_ALL_DRIVERS, + (acpi_dbg_layer & ACPI_ALL_DRIVERS) == + ACPI_ALL_DRIVERS ? '*' : (acpi_dbg_layer & + ACPI_ALL_DRIVERS) == 0 ? ' ' : '-'); + result += sprintf(buffer+result, "--\ndebug_layer = 0x%08X ( * = enabled)\n", acpi_dbg_layer); + + return result; +} + +static int param_get_debug_level(char *buffer, struct kernel_param *kp) { + int result = 0; + int i; + + result = sprintf(buffer, "%-25s\tHex SET\n", "Description"); + + for (i = 0; i < ARRAY_SIZE(acpi_debug_levels); i++) { + result += sprintf(buffer+result, "%-25s\t0x%08lX [%c]\n", + acpi_debug_levels[i].name, + acpi_debug_levels[i].value, + (acpi_dbg_level & acpi_debug_levels[i]. + value) ? '*' : ' '); + } + result += sprintf(buffer+result, "--\ndebug_level = 0x%08X (* = enabled)\n", + acpi_dbg_level); + + return result; +} + +module_param_call(debug_layer, param_set_uint, param_get_debug_layer, &acpi_dbg_layer, 0644); +module_param_call(debug_level, param_set_uint, param_get_debug_level, &acpi_dbg_level, 0644); + +/* -------------------------------------------------------------------------- + FS Interface (/proc) + -------------------------------------------------------------------------- */ +#ifdef CONFIG_ACPI_PROCFS +#define ACPI_SYSTEM_FILE_DEBUG_LAYER "debug_layer" +#define ACPI_SYSTEM_FILE_DEBUG_LEVEL "debug_level" + static int acpi_system_read_debug(char *page, char **start, off_t off, int count, int *eof, void *data) @@ -221,3 +272,4 @@ static int __init acpi_debug_init(void) } subsys_initcall(acpi_debug_init); +#endif diff --git a/drivers/acpi/dispatcher/dsfield.c b/drivers/acpi/dispatcher/dsfield.c index a6d77efb41a..f049639bac3 100644 --- a/drivers/acpi/dispatcher/dsfield.c +++ b/drivers/acpi/dispatcher/dsfield.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -133,7 +133,8 @@ acpi_ds_create_buffer_field(union acpi_parse_object *op, } } - /* We could put the returned object (Node) on the object stack for later, + /* + * We could put the returned object (Node) on the object stack for later, * but for now, we will put it in the "op" object that the parser uses, * so we can get it again at the end of this scope */ @@ -514,8 +515,33 @@ acpi_ds_create_bank_field(union acpi_parse_object *op, /* Third arg is the bank_value */ + /* TBD: This arg is a term_arg, not a constant, and must be evaluated */ + arg = arg->common.next; - info.bank_value = (u32) arg->common.value.integer; + + /* Currently, only the following constants are supported */ + + switch (arg->common.aml_opcode) { + case AML_ZERO_OP: + info.bank_value = 0; + break; + + case AML_ONE_OP: + info.bank_value = 1; + break; + + case AML_BYTE_OP: + case AML_WORD_OP: + case AML_DWORD_OP: + case AML_QWORD_OP: + info.bank_value = (u32) arg->common.value.integer; + break; + + default: + info.bank_value = 0; + ACPI_ERROR((AE_INFO, + "Non-constant BankValue for BankField is not implemented")); + } /* Fourth arg is the field flags */ diff --git a/drivers/acpi/dispatcher/dsinit.c b/drivers/acpi/dispatcher/dsinit.c index 1888c055d10..af923c38852 100644 --- a/drivers/acpi/dispatcher/dsinit.c +++ b/drivers/acpi/dispatcher/dsinit.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -44,6 +44,7 @@ #include <acpi/acpi.h> #include <acpi/acdispat.h> #include <acpi/acnamesp.h> +#include <acpi/actables.h> #define _COMPONENT ACPI_DISPATCHER ACPI_MODULE_NAME("dsinit") @@ -90,7 +91,7 @@ acpi_ds_init_one_object(acpi_handle obj_handle, * We are only interested in NS nodes owned by the table that * was just loaded */ - if (node->owner_id != info->table_desc->owner_id) { + if (node->owner_id != info->owner_id) { return (AE_OK); } @@ -150,14 +151,21 @@ acpi_ds_init_one_object(acpi_handle obj_handle, ******************************************************************************/ acpi_status -acpi_ds_initialize_objects(struct acpi_table_desc * table_desc, +acpi_ds_initialize_objects(acpi_native_uint table_index, struct acpi_namespace_node * start_node) { acpi_status status; struct acpi_init_walk_info info; + struct acpi_table_header *table; + acpi_owner_id owner_id; ACPI_FUNCTION_TRACE(ds_initialize_objects); + status = acpi_tb_get_owner_id(table_index, &owner_id); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "**** Starting initialization of namespace objects ****\n")); ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT, "Parsing all Control Methods:")); @@ -166,7 +174,8 @@ acpi_ds_initialize_objects(struct acpi_table_desc * table_desc, info.op_region_count = 0; info.object_count = 0; info.device_count = 0; - info.table_desc = table_desc; + info.table_index = table_index; + info.owner_id = owner_id; /* Walk entire namespace from the supplied root */ @@ -176,10 +185,14 @@ acpi_ds_initialize_objects(struct acpi_table_desc * table_desc, ACPI_EXCEPTION((AE_INFO, status, "During WalkNamespace")); } + status = acpi_get_table_by_index(table_index, &table); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT, "\nTable [%4.4s](id %4.4X) - %hd Objects with %hd Devices %hd Methods %hd Regions\n", - table_desc->pointer->signature, - table_desc->owner_id, info.object_count, + table->signature, owner_id, info.object_count, info.device_count, info.method_count, info.op_region_count)); diff --git a/drivers/acpi/dispatcher/dsmethod.c b/drivers/acpi/dispatcher/dsmethod.c index cf888add319..1cbe6190582 100644 --- a/drivers/acpi/dispatcher/dsmethod.c +++ b/drivers/acpi/dispatcher/dsmethod.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -327,7 +327,7 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread, ACPI_FUNCTION_TRACE_PTR(ds_call_control_method, this_walk_state); ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, - "Execute method %p, currentstate=%p\n", + "Calling method %p, currentstate=%p\n", this_walk_state->prev_op, this_walk_state)); /* @@ -351,49 +351,7 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread, return_ACPI_STATUS(status); } - /* - * 1) Parse the method. All "normal" methods are parsed for each execution. - * Internal methods (_OSI, etc.) do not require parsing. - */ - if (!(obj_desc->method.method_flags & AML_METHOD_INTERNAL_ONLY)) { - - /* Create a new walk state for the parse */ - - next_walk_state = - acpi_ds_create_walk_state(obj_desc->method.owner_id, op, - obj_desc, NULL); - if (!next_walk_state) { - status = AE_NO_MEMORY; - goto cleanup; - } - - /* Create and init a parse tree root */ - - op = acpi_ps_create_scope_op(); - if (!op) { - status = AE_NO_MEMORY; - goto cleanup; - } - - status = acpi_ds_init_aml_walk(next_walk_state, op, method_node, - obj_desc->method.aml_start, - obj_desc->method.aml_length, - NULL, 1); - if (ACPI_FAILURE(status)) { - acpi_ps_delete_parse_tree(op); - goto cleanup; - } - - /* Begin AML parse (deletes next_walk_state) */ - - status = acpi_ps_parse_aml(next_walk_state); - acpi_ps_delete_parse_tree(op); - if (ACPI_FAILURE(status)) { - goto cleanup; - } - } - - /* 2) Begin method execution. Create a new walk state */ + /* Begin method parse/execution. Create a new walk state */ next_walk_state = acpi_ds_create_walk_state(obj_desc->method.owner_id, NULL, obj_desc, thread); @@ -424,7 +382,8 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread, status = acpi_ds_init_aml_walk(next_walk_state, NULL, method_node, obj_desc->method.aml_start, - obj_desc->method.aml_length, info, 3); + obj_desc->method.aml_length, info, + ACPI_IMODE_EXECUTE); ACPI_FREE(info); if (ACPI_FAILURE(status)) { @@ -445,8 +404,8 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread, this_walk_state->num_operands = 0; ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, - "Starting nested execution, newstate=%p\n", - next_walk_state)); + "**** Begin nested execution of [%4.4s] **** WalkState=%p\n", + method_node->name.ascii, next_walk_state)); /* Invoke an internal method if necessary */ diff --git a/drivers/acpi/dispatcher/dsmthdat.c b/drivers/acpi/dispatcher/dsmthdat.c index 459160ff905..ba4626e06a5 100644 --- a/drivers/acpi/dispatcher/dsmthdat.c +++ b/drivers/acpi/dispatcher/dsmthdat.c @@ -5,7 +5,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/dispatcher/dsobject.c b/drivers/acpi/dispatcher/dsobject.c index 72190abb1d5..a474ca2334d 100644 --- a/drivers/acpi/dispatcher/dsobject.c +++ b/drivers/acpi/dispatcher/dsobject.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -260,7 +260,7 @@ acpi_ds_build_internal_buffer_obj(struct acpi_walk_state *walk_state, } obj_desc->buffer.flags |= AOPOBJ_DATA_VALID; - op->common.node = (struct acpi_namespace_node *)obj_desc; + op->common.node = ACPI_CAST_PTR(struct acpi_namespace_node, obj_desc); return_ACPI_STATUS(AE_OK); } @@ -270,7 +270,8 @@ acpi_ds_build_internal_buffer_obj(struct acpi_walk_state *walk_state, * * PARAMETERS: walk_state - Current walk state * Op - Parser object to be translated - * package_length - Number of elements in the package + * element_count - Number of elements in the package - this is + * the num_elements argument to Package() * obj_desc_ptr - Where the ACPI internal object is returned * * RETURN: Status @@ -278,18 +279,29 @@ acpi_ds_build_internal_buffer_obj(struct acpi_walk_state *walk_state, * DESCRIPTION: Translate a parser Op package object to the equivalent * namespace object * + * NOTE: The number of elements in the package will be always be the num_elements + * count, regardless of the number of elements in the package list. If + * num_elements is smaller, only that many package list elements are used. + * if num_elements is larger, the Package object is padded out with + * objects of type Uninitialized (as per ACPI spec.) + * + * Even though the ASL compilers do not allow num_elements to be smaller + * than the Package list length (for the fixed length package opcode), some + * BIOS code modifies the AML on the fly to adjust the num_elements, and + * this code compensates for that. This also provides compatibility with + * other AML interpreters. + * ******************************************************************************/ acpi_status acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state, union acpi_parse_object *op, - u32 package_length, + u32 element_count, union acpi_operand_object **obj_desc_ptr) { union acpi_parse_object *arg; union acpi_parse_object *parent; union acpi_operand_object *obj_desc = NULL; - u32 package_list_length; acpi_status status = AE_OK; acpi_native_uint i; @@ -318,32 +330,13 @@ acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state, obj_desc->package.node = parent->common.node; } - obj_desc->package.count = package_length; - - /* Count the number of items in the package list */ - - arg = op->common.value.arg; - arg = arg->common.next; - for (package_list_length = 0; arg; package_list_length++) { - arg = arg->common.next; - } - - /* - * The package length (number of elements) will be the greater - * of the specified length and the length of the initializer list - */ - if (package_list_length > package_length) { - obj_desc->package.count = package_list_length; - } - /* - * Allocate the pointer array (array of pointers to the - * individual objects). Add an extra pointer slot so - * that the list is always null terminated. + * Allocate the element array (array of pointers to the individual + * objects) based on the num_elements parameter. Add an extra pointer slot + * so that the list is always null terminated. */ obj_desc->package.elements = ACPI_ALLOCATE_ZEROED(((acpi_size) - obj_desc->package. - count + + element_count + 1) * sizeof(void *)); if (!obj_desc->package.elements) { @@ -351,15 +344,20 @@ acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state, return_ACPI_STATUS(AE_NO_MEMORY); } + obj_desc->package.count = element_count; + /* - * Initialize all elements of the package + * Initialize the elements of the package, up to the num_elements count. + * Package is automatically padded with uninitialized (NULL) elements + * if num_elements is greater than the package list length. Likewise, + * Package is truncated if num_elements is less than the list length. */ arg = op->common.value.arg; arg = arg->common.next; - for (i = 0; arg; i++) { + for (i = 0; arg && (i < element_count); i++) { if (arg->common.aml_opcode == AML_INT_RETURN_VALUE_OP) { - /* Object (package or buffer) is already built */ + /* This package element is already built, just get it */ obj_desc->package.elements[i] = ACPI_CAST_PTR(union acpi_operand_object, @@ -373,8 +371,14 @@ acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state, arg = arg->common.next; } + if (!arg) { + ACPI_DEBUG_PRINT((ACPI_DB_INFO, + "Package List length larger than NumElements count (%X), truncated\n", + element_count)); + } + obj_desc->package.flags |= AOPOBJ_DATA_VALID; - op->common.node = (struct acpi_namespace_node *)obj_desc; + op->common.node = ACPI_CAST_PTR(struct acpi_namespace_node, obj_desc); return_ACPI_STATUS(status); } @@ -488,8 +492,9 @@ acpi_ds_init_object_from_op(struct acpi_walk_state *walk_state, /* * Defer evaluation of Buffer term_arg operand */ - obj_desc->buffer.node = (struct acpi_namespace_node *) - walk_state->operands[0]; + obj_desc->buffer.node = + ACPI_CAST_PTR(struct acpi_namespace_node, + walk_state->operands[0]); obj_desc->buffer.aml_start = op->named.data; obj_desc->buffer.aml_length = op->named.length; break; @@ -499,8 +504,9 @@ acpi_ds_init_object_from_op(struct acpi_walk_state *walk_state, /* * Defer evaluation of Package term_arg operand */ - obj_desc->package.node = (struct acpi_namespace_node *) - walk_state->operands[0]; + obj_desc->package.node = + ACPI_CAST_PTR(struct acpi_namespace_node, + walk_state->operands[0]); obj_desc->package.aml_start = op->named.data; obj_desc->package.aml_length = op->named.length; break; diff --git a/drivers/acpi/dispatcher/dsopcode.c b/drivers/acpi/dispatcher/dsopcode.c index 5b974a8fe61..6c6104a7a24 100644 --- a/drivers/acpi/dispatcher/dsopcode.c +++ b/drivers/acpi/dispatcher/dsopcode.c @@ -6,7 +6,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -114,7 +114,7 @@ acpi_ds_execute_arguments(struct acpi_namespace_node *node, } status = acpi_ds_init_aml_walk(walk_state, op, NULL, aml_start, - aml_length, NULL, 1); + aml_length, NULL, ACPI_IMODE_LOAD_PASS1); if (ACPI_FAILURE(status)) { acpi_ds_delete_walk_state(walk_state); goto cleanup; @@ -157,7 +157,7 @@ acpi_ds_execute_arguments(struct acpi_namespace_node *node, /* Execute the opcode and arguments */ status = acpi_ds_init_aml_walk(walk_state, op, NULL, aml_start, - aml_length, NULL, 3); + aml_length, NULL, ACPI_IMODE_EXECUTE); if (ACPI_FAILURE(status)) { acpi_ds_delete_walk_state(walk_state); goto cleanup; diff --git a/drivers/acpi/dispatcher/dsutils.c b/drivers/acpi/dispatcher/dsutils.c index 05230baf5de..e4073e05a75 100644 --- a/drivers/acpi/dispatcher/dsutils.c +++ b/drivers/acpi/dispatcher/dsutils.c @@ -5,7 +5,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/dispatcher/dswexec.c b/drivers/acpi/dispatcher/dswexec.c index d7a616c3104..69693fa0722 100644 --- a/drivers/acpi/dispatcher/dswexec.c +++ b/drivers/acpi/dispatcher/dswexec.c @@ -6,7 +6,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -219,7 +219,7 @@ acpi_ds_exec_begin_op(struct acpi_walk_state *walk_state, if (!op) { status = acpi_ds_load2_begin_op(walk_state, out_op); if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); + goto error_exit; } op = *out_op; @@ -238,7 +238,7 @@ acpi_ds_exec_begin_op(struct acpi_walk_state *walk_state, status = acpi_ds_scope_stack_pop(walk_state); if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); + goto error_exit; } } } @@ -287,7 +287,7 @@ acpi_ds_exec_begin_op(struct acpi_walk_state *walk_state, status = acpi_ds_result_stack_push(walk_state); if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); + goto error_exit; } status = acpi_ds_exec_begin_control_op(walk_state, op); @@ -328,6 +328,10 @@ acpi_ds_exec_begin_op(struct acpi_walk_state *walk_state, /* Nothing to do here during method execution */ return_ACPI_STATUS(status); + + error_exit: + status = acpi_ds_method_error(status, walk_state); + return_ACPI_STATUS(status); } /***************************************************************************** diff --git a/drivers/acpi/dispatcher/dswload.c b/drivers/acpi/dispatcher/dswload.c index e3ca7f6539c..8ab9d1b29a4 100644 --- a/drivers/acpi/dispatcher/dswload.c +++ b/drivers/acpi/dispatcher/dswload.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -196,6 +196,7 @@ acpi_ds_load1_begin_op(struct acpi_walk_state * walk_state, * one of the opcodes that actually opens a scope */ switch (node->type) { + case ACPI_TYPE_ANY: case ACPI_TYPE_LOCAL_SCOPE: /* Scope */ case ACPI_TYPE_DEVICE: case ACPI_TYPE_POWER: @@ -546,6 +547,7 @@ acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state, acpi_status status; acpi_object_type object_type; char *buffer_ptr; + u32 flags; ACPI_FUNCTION_TRACE(ds_load2_begin_op); @@ -669,6 +671,7 @@ acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state, * one of the opcodes that actually opens a scope */ switch (node->type) { + case ACPI_TYPE_ANY: case ACPI_TYPE_LOCAL_SCOPE: /* Scope */ case ACPI_TYPE_DEVICE: case ACPI_TYPE_POWER: @@ -750,12 +753,20 @@ acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state, break; } - /* Add new entry into namespace */ + flags = ACPI_NS_NO_UPSEARCH; + if (walk_state->pass_number == ACPI_IMODE_EXECUTE) { + + /* Execution mode, node cannot already exist, node is temporary */ + + flags |= (ACPI_NS_ERROR_IF_FOUND | ACPI_NS_TEMPORARY); + } + + /* Add new entry or lookup existing entry */ status = acpi_ns_lookup(walk_state->scope_info, buffer_ptr, - object_type, ACPI_IMODE_LOAD_PASS2, - ACPI_NS_NO_UPSEARCH, walk_state, &(node)); + object_type, ACPI_IMODE_LOAD_PASS2, flags, + walk_state, &node); break; } diff --git a/drivers/acpi/dispatcher/dswscope.c b/drivers/acpi/dispatcher/dswscope.c index c9228972f5f..3927c495e4b 100644 --- a/drivers/acpi/dispatcher/dswscope.c +++ b/drivers/acpi/dispatcher/dswscope.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/dispatcher/dswstate.c b/drivers/acpi/dispatcher/dswstate.c index 7817e552267..16c8e38b51e 100644 --- a/drivers/acpi/dispatcher/dswstate.c +++ b/drivers/acpi/dispatcher/dswstate.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c index 90990a4b652..688e83a1690 100644 --- a/drivers/acpi/dock.c +++ b/drivers/acpi/dock.c @@ -615,20 +615,28 @@ static acpi_status find_dock_devices(acpi_handle handle, u32 lvl, void *context, void **rv) { acpi_status status; - acpi_handle tmp; + acpi_handle tmp, parent; struct dock_station *ds = context; struct dock_dependent_device *dd; status = acpi_bus_get_ejd(handle, &tmp); - if (ACPI_FAILURE(status)) - return AE_OK; + if (ACPI_FAILURE(status)) { + /* try the parent device as well */ + status = acpi_get_parent(handle, &parent); + if (ACPI_FAILURE(status)) + goto fdd_out; + /* see if parent is dependent on dock */ + status = acpi_bus_get_ejd(parent, &tmp); + if (ACPI_FAILURE(status)) + goto fdd_out; + } if (tmp == ds->handle) { dd = alloc_dock_dependent_device(handle); if (dd) add_dock_dependent_device(ds, dd); } - +fdd_out: return AE_OK; } diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index cbdf031f3c0..743ce27fa0b 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -872,9 +872,8 @@ static int __init acpi_ec_get_real_ecdt(void) acpi_status status; struct acpi_table_ecdt *ecdt_ptr; - status = acpi_get_firmware_table("ECDT", 1, ACPI_LOGICAL_ADDRESSING, - (struct acpi_table_header **) - &ecdt_ptr); + status = acpi_get_table(ACPI_SIG_ECDT, 1, + (struct acpi_table_header **)&ecdt_ptr); if (ACPI_FAILURE(status)) return -ENODEV; @@ -891,14 +890,14 @@ static int __init acpi_ec_get_real_ecdt(void) if (acpi_ec_mode == EC_INTR) { init_waitqueue_head(&ec_ecdt->wait); } - ec_ecdt->command_addr = ecdt_ptr->ec_control.address; - ec_ecdt->data_addr = ecdt_ptr->ec_data.address; - ec_ecdt->gpe = ecdt_ptr->gpe_bit; + ec_ecdt->command_addr = ecdt_ptr->control.address; + ec_ecdt->data_addr = ecdt_ptr->data.address; + ec_ecdt->gpe = ecdt_ptr->gpe; /* use the GL just to be safe */ ec_ecdt->global_lock = TRUE; ec_ecdt->uid = ecdt_ptr->uid; - status = acpi_get_handle(NULL, ecdt_ptr->ec_id, &ec_ecdt->handle); + status = acpi_get_handle(NULL, ecdt_ptr->id, &ec_ecdt->handle); if (ACPI_FAILURE(status)) { goto error; } diff --git a/drivers/acpi/events/evevent.c b/drivers/acpi/events/evevent.c index 919037d6acf..a1f87b5def2 100644 --- a/drivers/acpi/events/evevent.c +++ b/drivers/acpi/events/evevent.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -70,13 +70,6 @@ acpi_status acpi_ev_initialize_events(void) ACPI_FUNCTION_TRACE(ev_initialize_events); - /* Make sure we have ACPI tables */ - - if (!acpi_gbl_DSDT) { - ACPI_WARNING((AE_INFO, "No ACPI tables present!")); - return_ACPI_STATUS(AE_NO_ACPI_TABLES); - } - /* * Initialize the Fixed and General Purpose Events. This is done prior to * enabling SCIs to prevent interrupts from occurring before the handlers are @@ -211,8 +204,7 @@ static acpi_status acpi_ev_fixed_event_initialize(void) if (acpi_gbl_fixed_event_info[i].enable_register_id != 0xFF) { status = acpi_set_register(acpi_gbl_fixed_event_info[i]. - enable_register_id, 0, - ACPI_MTX_LOCK); + enable_register_id, 0); if (ACPI_FAILURE(status)) { return (status); } @@ -298,7 +290,7 @@ static u32 acpi_ev_fixed_event_dispatch(u32 event) /* Clear the status bit */ (void)acpi_set_register(acpi_gbl_fixed_event_info[event]. - status_register_id, 1, ACPI_MTX_DO_NOT_LOCK); + status_register_id, 1); /* * Make sure we've got a handler. If not, report an error. @@ -306,8 +298,7 @@ static u32 acpi_ev_fixed_event_dispatch(u32 event) */ if (NULL == acpi_gbl_fixed_event_handlers[event].handler) { (void)acpi_set_register(acpi_gbl_fixed_event_info[event]. - enable_register_id, 0, - ACPI_MTX_DO_NOT_LOCK); + enable_register_id, 0); ACPI_ERROR((AE_INFO, "No installed handler for fixed event [%08X]", diff --git a/drivers/acpi/events/evgpe.c b/drivers/acpi/events/evgpe.c index c76c0583ca6..dfac3ecc596 100644 --- a/drivers/acpi/events/evgpe.c +++ b/drivers/acpi/events/evgpe.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -121,7 +121,9 @@ acpi_ev_update_gpe_enable_masks(struct acpi_gpe_event_info *gpe_event_info, if (!gpe_register_info) { return_ACPI_STATUS(AE_NOT_EXIST); } - register_bit = gpe_event_info->register_bit; + register_bit = (u8) + (1 << + (gpe_event_info->gpe_number - gpe_register_info->base_gpe_number)); /* 1) Disable case. Simply clear all enable bits */ @@ -458,8 +460,7 @@ u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info * gpe_xrupt_list) /* Examine one GPE bit */ - if (enabled_status_byte & - acpi_gbl_decode_to8bit[j]) { + if (enabled_status_byte & (1 << j)) { /* * Found an active GPE. Dispatch the event to a handler * or method. @@ -570,7 +571,7 @@ static void ACPI_SYSTEM_XFACE acpi_ev_asynch_execute_gpe_method(void *context) if (ACPI_FAILURE(status)) { ACPI_EXCEPTION((AE_INFO, status, - "While evaluating GPE method [%4.4s]", + "while evaluating GPE method [%4.4s]", acpi_ut_get_node_name (local_gpe_event_info.dispatch. method_node))); @@ -618,6 +619,8 @@ acpi_ev_gpe_dispatch(struct acpi_gpe_event_info *gpe_event_info, u32 gpe_number) ACPI_FUNCTION_TRACE(ev_gpe_dispatch); + acpi_gpe_count++; + /* * If edge-triggered, clear the GPE status bit now. Note that * level-triggered events are cleared after the GPE is serviced. @@ -633,20 +636,23 @@ acpi_ev_gpe_dispatch(struct acpi_gpe_event_info *gpe_event_info, u32 gpe_number) } } - /* Save current system state */ - - if (acpi_gbl_system_awake_and_running) { - ACPI_SET_BIT(gpe_event_info->flags, ACPI_GPE_SYSTEM_RUNNING); - } else { - ACPI_CLEAR_BIT(gpe_event_info->flags, ACPI_GPE_SYSTEM_RUNNING); + if (!acpi_gbl_system_awake_and_running) { + /* + * We just woke up because of a wake GPE. Disable any further GPEs + * until we are fully up and running (Only wake GPEs should be enabled + * at this time, but we just brute-force disable them all.) + * 1) We must disable this particular wake GPE so it won't fire again + * 2) We want to disable all wake GPEs, since we are now awake + */ + (void)acpi_hw_disable_all_gpes(); } /* - * Dispatch the GPE to either an installed handler, or the control - * method associated with this GPE (_Lxx or _Exx). - * If a handler exists, we invoke it and do not attempt to run the method. - * If there is neither a handler nor a method, we disable the level to - * prevent further events from coming in here. + * Dispatch the GPE to either an installed handler, or the control method + * associated with this GPE (_Lxx or _Exx). If a handler exists, we invoke + * it and do not attempt to run the method. If there is neither a handler + * nor a method, we disable this GPE to prevent further such pointless + * events from firing. */ switch (gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) { case ACPI_GPE_DISPATCH_HANDLER: @@ -677,8 +683,8 @@ acpi_ev_gpe_dispatch(struct acpi_gpe_event_info *gpe_event_info, u32 gpe_number) case ACPI_GPE_DISPATCH_METHOD: /* - * Disable GPE, so it doesn't keep firing before the method has a - * chance to run. + * Disable the GPE, so it doesn't keep firing before the method has a + * chance to run (it runs asynchronously with interrupts enabled). */ status = acpi_ev_disable_gpe(gpe_event_info); if (ACPI_FAILURE(status)) { @@ -711,7 +717,7 @@ acpi_ev_gpe_dispatch(struct acpi_gpe_event_info *gpe_event_info, u32 gpe_number) gpe_number)); /* - * Disable the GPE. The GPE will remain disabled until the ACPI + * Disable the GPE. The GPE will remain disabled until the ACPI * Core Subsystem is restarted, or a handler is installed. */ status = acpi_ev_disable_gpe(gpe_event_info); @@ -726,50 +732,3 @@ acpi_ev_gpe_dispatch(struct acpi_gpe_event_info *gpe_event_info, u32 gpe_number) return_UINT32(ACPI_INTERRUPT_HANDLED); } - -#ifdef ACPI_GPE_NOTIFY_CHECK -/******************************************************************************* - * TBD: NOT USED, PROTOTYPE ONLY AND WILL PROBABLY BE REMOVED - * - * FUNCTION: acpi_ev_check_for_wake_only_gpe - * - * PARAMETERS: gpe_event_info - info for this GPE - * - * RETURN: Status - * - * DESCRIPTION: Determine if a a GPE is "wake-only". - * - * Called from Notify() code in interpreter when a "DeviceWake" - * Notify comes in. - * - ******************************************************************************/ - -acpi_status -acpi_ev_check_for_wake_only_gpe(struct acpi_gpe_event_info *gpe_event_info) -{ - acpi_status status; - - ACPI_FUNCTION_TRACE(ev_check_for_wake_only_gpe); - - if ((gpe_event_info) && /* Only >0 for _Lxx/_Exx */ - ((gpe_event_info->flags & ACPI_GPE_SYSTEM_MASK) == ACPI_GPE_SYSTEM_RUNNING)) { /* System state at GPE time */ - /* This must be a wake-only GPE, disable it */ - - status = acpi_ev_disable_gpe(gpe_event_info); - - /* Set GPE to wake-only. Do not change wake disabled/enabled status */ - - acpi_ev_set_gpe_type(gpe_event_info, ACPI_GPE_TYPE_WAKE); - - ACPI_INFO((AE_INFO, - "GPE %p was updated from wake/run to wake-only", - gpe_event_info)); - - /* This was a wake-only GPE */ - - return_ACPI_STATUS(AE_WAKE_ONLY_GPE); - } - - return_ACPI_STATUS(AE_OK); -} -#endif diff --git a/drivers/acpi/events/evgpeblk.c b/drivers/acpi/events/evgpeblk.c index 95ddeb48bc0..ad5bc76edf4 100644 --- a/drivers/acpi/events/evgpeblk.c +++ b/drivers/acpi/events/evgpeblk.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -529,7 +529,7 @@ static struct acpi_gpe_xrupt_info *acpi_ev_get_gpe_xrupt_block(u32 /* Install new interrupt handler if not SCI_INT */ - if (interrupt_number != acpi_gbl_FADT->sci_int) { + if (interrupt_number != acpi_gbl_FADT.sci_interrupt) { status = acpi_os_install_interrupt_handler(interrupt_number, acpi_ev_gpe_xrupt_handler, gpe_xrupt); @@ -567,7 +567,7 @@ acpi_ev_delete_gpe_xrupt(struct acpi_gpe_xrupt_info *gpe_xrupt) /* We never want to remove the SCI interrupt handler */ - if (gpe_xrupt->interrupt_number == acpi_gbl_FADT->sci_int) { + if (gpe_xrupt->interrupt_number == acpi_gbl_FADT.sci_interrupt) { gpe_xrupt->gpe_block_list_head = NULL; return_ACPI_STATUS(AE_OK); } @@ -796,30 +796,31 @@ acpi_ev_create_gpe_info_blocks(struct acpi_gpe_block_info *gpe_block) (u8) (gpe_block->block_base_number + (i * ACPI_GPE_REGISTER_WIDTH)); - ACPI_STORE_ADDRESS(this_register->status_address.address, - (gpe_block->block_address.address + i)); + this_register->status_address.address = + gpe_block->block_address.address + i; - ACPI_STORE_ADDRESS(this_register->enable_address.address, - (gpe_block->block_address.address - + i + gpe_block->register_count)); + this_register->enable_address.address = + gpe_block->block_address.address + i + + gpe_block->register_count; - this_register->status_address.address_space_id = - gpe_block->block_address.address_space_id; - this_register->enable_address.address_space_id = - gpe_block->block_address.address_space_id; - this_register->status_address.register_bit_width = + this_register->status_address.space_id = + gpe_block->block_address.space_id; + this_register->enable_address.space_id = + gpe_block->block_address.space_id; + this_register->status_address.bit_width = ACPI_GPE_REGISTER_WIDTH; - this_register->enable_address.register_bit_width = + this_register->enable_address.bit_width = ACPI_GPE_REGISTER_WIDTH; - this_register->status_address.register_bit_offset = + this_register->status_address.bit_offset = ACPI_GPE_REGISTER_WIDTH; - this_register->enable_address.register_bit_offset = + this_register->enable_address.bit_offset = ACPI_GPE_REGISTER_WIDTH; /* Init the event_info for each GPE within this register */ for (j = 0; j < ACPI_GPE_REGISTER_WIDTH; j++) { - this_event->register_bit = acpi_gbl_decode_to8bit[j]; + this_event->gpe_number = + (u8) (this_register->base_gpe_number + j); this_event->register_info = this_register; this_event++; } @@ -1109,11 +1110,12 @@ acpi_status acpi_ev_gpe_initialize(void) * If EITHER the register length OR the block address are zero, then that * particular block is not supported. */ - if (acpi_gbl_FADT->gpe0_blk_len && acpi_gbl_FADT->xgpe0_blk.address) { + if (acpi_gbl_FADT.gpe0_block_length && + acpi_gbl_FADT.xgpe0_block.address) { /* GPE block 0 exists (has both length and address > 0) */ - register_count0 = (u16) (acpi_gbl_FADT->gpe0_blk_len / 2); + register_count0 = (u16) (acpi_gbl_FADT.gpe0_block_length / 2); gpe_number_max = (register_count0 * ACPI_GPE_REGISTER_WIDTH) - 1; @@ -1121,9 +1123,9 @@ acpi_status acpi_ev_gpe_initialize(void) /* Install GPE Block 0 */ status = acpi_ev_create_gpe_block(acpi_gbl_fadt_gpe_device, - &acpi_gbl_FADT->xgpe0_blk, + &acpi_gbl_FADT.xgpe0_block, register_count0, 0, - acpi_gbl_FADT->sci_int, + acpi_gbl_FADT.sci_interrupt, &acpi_gbl_gpe_fadt_blocks[0]); if (ACPI_FAILURE(status)) { @@ -1132,20 +1134,21 @@ acpi_status acpi_ev_gpe_initialize(void) } } - if (acpi_gbl_FADT->gpe1_blk_len && acpi_gbl_FADT->xgpe1_blk.address) { + if (acpi_gbl_FADT.gpe1_block_length && + acpi_gbl_FADT.xgpe1_block.address) { /* GPE block 1 exists (has both length and address > 0) */ - register_count1 = (u16) (acpi_gbl_FADT->gpe1_blk_len / 2); + register_count1 = (u16) (acpi_gbl_FADT.gpe1_block_length / 2); /* Check for GPE0/GPE1 overlap (if both banks exist) */ if ((register_count0) && - (gpe_number_max >= acpi_gbl_FADT->gpe1_base)) { + (gpe_number_max >= acpi_gbl_FADT.gpe1_base)) { ACPI_ERROR((AE_INFO, "GPE0 block (GPE 0 to %d) overlaps the GPE1 block (GPE %d to %d) - Ignoring GPE1", - gpe_number_max, acpi_gbl_FADT->gpe1_base, - acpi_gbl_FADT->gpe1_base + + gpe_number_max, acpi_gbl_FADT.gpe1_base, + acpi_gbl_FADT.gpe1_base + ((register_count1 * ACPI_GPE_REGISTER_WIDTH) - 1))); @@ -1157,10 +1160,11 @@ acpi_status acpi_ev_gpe_initialize(void) status = acpi_ev_create_gpe_block(acpi_gbl_fadt_gpe_device, - &acpi_gbl_FADT->xgpe1_blk, + &acpi_gbl_FADT.xgpe1_block, register_count1, - acpi_gbl_FADT->gpe1_base, - acpi_gbl_FADT->sci_int, + acpi_gbl_FADT.gpe1_base, + acpi_gbl_FADT. + sci_interrupt, &acpi_gbl_gpe_fadt_blocks [1]); @@ -1173,7 +1177,7 @@ acpi_status acpi_ev_gpe_initialize(void) * GPE0 and GPE1 do not have to be contiguous in the GPE number * space. However, GPE0 always starts at GPE number zero. */ - gpe_number_max = acpi_gbl_FADT->gpe1_base + + gpe_number_max = acpi_gbl_FADT.gpe1_base + ((register_count1 * ACPI_GPE_REGISTER_WIDTH) - 1); } } diff --git a/drivers/acpi/events/evmisc.c b/drivers/acpi/events/evmisc.c index bf63edc6608..1b784ffe54c 100644 --- a/drivers/acpi/events/evmisc.c +++ b/drivers/acpi/events/evmisc.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -63,14 +63,18 @@ static const char *acpi_notify_value_names[] = { }; #endif +/* Pointer to FACS needed for the Global Lock */ + +static struct acpi_table_facs *facs = NULL; + /* Local prototypes */ static void ACPI_SYSTEM_XFACE acpi_ev_notify_dispatch(void *context); -static void ACPI_SYSTEM_XFACE acpi_ev_global_lock_thread(void *context); - static u32 acpi_ev_global_lock_handler(void *context); +static acpi_status acpi_ev_remove_global_lock_handler(void); + /******************************************************************************* * * FUNCTION: acpi_ev_is_notify_object @@ -282,49 +286,19 @@ static void ACPI_SYSTEM_XFACE acpi_ev_notify_dispatch(void *context) /******************************************************************************* * - * FUNCTION: acpi_ev_global_lock_thread - * - * PARAMETERS: Context - From thread interface, not used - * - * RETURN: None - * - * DESCRIPTION: Invoked by SCI interrupt handler upon acquisition of the - * Global Lock. Simply signal all threads that are waiting - * for the lock. - * - ******************************************************************************/ - -static void ACPI_SYSTEM_XFACE acpi_ev_global_lock_thread(void *context) -{ - acpi_status status; - - /* Signal threads that are waiting for the lock */ - - if (acpi_gbl_global_lock_thread_count) { - - /* Send sufficient units to the semaphore */ - - status = - acpi_os_signal_semaphore(acpi_gbl_global_lock_semaphore, - acpi_gbl_global_lock_thread_count); - if (ACPI_FAILURE(status)) { - ACPI_ERROR((AE_INFO, - "Could not signal Global Lock semaphore")); - } - } -} - -/******************************************************************************* - * * FUNCTION: acpi_ev_global_lock_handler * * PARAMETERS: Context - From thread interface, not used * - * RETURN: ACPI_INTERRUPT_HANDLED or ACPI_INTERRUPT_NOT_HANDLED + * RETURN: ACPI_INTERRUPT_HANDLED * * DESCRIPTION: Invoked directly from the SCI handler when a global lock - * release interrupt occurs. Grab the global lock and queue - * the global lock thread for execution + * release interrupt occurs. Attempt to acquire the global lock, + * if successful, signal the thread waiting for the lock. + * + * NOTE: Assumes that the semaphore can be signaled from interrupt level. If + * this is not possible for some reason, a separate thread will have to be + * scheduled to do this. * ******************************************************************************/ @@ -333,16 +307,24 @@ static u32 acpi_ev_global_lock_handler(void *context) u8 acquired = FALSE; /* - * Attempt to get the lock + * Attempt to get the lock. + * * If we don't get it now, it will be marked pending and we will * take another interrupt when it becomes free. */ - ACPI_ACQUIRE_GLOBAL_LOCK(acpi_gbl_common_fACS.global_lock, acquired); + ACPI_ACQUIRE_GLOBAL_LOCK(facs, acquired); if (acquired) { /* Got the lock, now wake all threads waiting for it */ + acpi_gbl_global_lock_acquired = TRUE; - acpi_ev_global_lock_thread(context); + /* Send a unit to the semaphore */ + + if (ACPI_FAILURE(acpi_os_signal_semaphore( + acpi_gbl_global_lock_semaphore, 1))) { + ACPI_ERROR((AE_INFO, + "Could not signal Global Lock semaphore")); + } } return (ACPI_INTERRUPT_HANDLED); @@ -366,6 +348,13 @@ acpi_status acpi_ev_init_global_lock_handler(void) ACPI_FUNCTION_TRACE(ev_init_global_lock_handler); + status = + acpi_get_table_by_index(ACPI_TABLE_INDEX_FACS, + (struct acpi_table_header **)&facs); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + acpi_gbl_global_lock_present = TRUE; status = acpi_install_fixed_event_handler(ACPI_EVENT_GLOBAL, acpi_ev_global_lock_handler, @@ -389,6 +378,31 @@ acpi_status acpi_ev_init_global_lock_handler(void) return_ACPI_STATUS(status); } +/******************************************************************************* + * + * FUNCTION: acpi_ev_remove_global_lock_handler + * + * PARAMETERS: None + * + * RETURN: Status + * + * DESCRIPTION: Remove the handler for the Global Lock + * + ******************************************************************************/ + +static acpi_status acpi_ev_remove_global_lock_handler(void) +{ + acpi_status status; + + ACPI_FUNCTION_TRACE(ev_remove_global_lock_handler); + + acpi_gbl_global_lock_present = FALSE; + status = acpi_remove_fixed_event_handler(ACPI_EVENT_GLOBAL, + acpi_ev_global_lock_handler); + + return_ACPI_STATUS(status); +} + /****************************************************************************** * * FUNCTION: acpi_ev_acquire_global_lock @@ -399,6 +413,16 @@ acpi_status acpi_ev_init_global_lock_handler(void) * * DESCRIPTION: Attempt to gain ownership of the Global Lock. * + * MUTEX: Interpreter must be locked + * + * Note: The original implementation allowed multiple threads to "acquire" the + * Global Lock, and the OS would hold the lock until the last thread had + * released it. However, this could potentially starve the BIOS out of the + * lock, especially in the case where there is a tight handshake between the + * Embedded Controller driver and the BIOS. Therefore, this implementation + * allows only one thread to acquire the HW Global Lock at a time, and makes + * the global lock appear as a standard mutex on the OS side. + * *****************************************************************************/ acpi_status acpi_ev_acquire_global_lock(u16 timeout) @@ -408,53 +432,51 @@ acpi_status acpi_ev_acquire_global_lock(u16 timeout) ACPI_FUNCTION_TRACE(ev_acquire_global_lock); -#ifndef ACPI_APPLICATION - /* Make sure that we actually have a global lock */ - - if (!acpi_gbl_global_lock_present) { - return_ACPI_STATUS(AE_NO_GLOBAL_LOCK); + /* + * Only one thread can acquire the GL at a time, the global_lock_mutex + * enforces this. This interface releases the interpreter if we must wait. + */ + status = acpi_ex_system_wait_mutex(acpi_gbl_global_lock_mutex, timeout); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); } -#endif - - /* One more thread wants the global lock */ - - acpi_gbl_global_lock_thread_count++; /* - * If we (OS side vs. BIOS side) have the hardware lock already, - * we are done + * Make sure that a global lock actually exists. If not, just treat + * the lock as a standard mutex. */ - if (acpi_gbl_global_lock_acquired) { + if (!acpi_gbl_global_lock_present) { + acpi_gbl_global_lock_acquired = TRUE; return_ACPI_STATUS(AE_OK); } - /* We must acquire the actual hardware lock */ + /* Attempt to acquire the actual hardware lock */ - ACPI_ACQUIRE_GLOBAL_LOCK(acpi_gbl_common_fACS.global_lock, acquired); + ACPI_ACQUIRE_GLOBAL_LOCK(facs, acquired); if (acquired) { /* We got the lock */ ACPI_DEBUG_PRINT((ACPI_DB_EXEC, - "Acquired the HW Global Lock\n")); + "Acquired hardware Global Lock\n")); acpi_gbl_global_lock_acquired = TRUE; return_ACPI_STATUS(AE_OK); } /* - * Did not get the lock. The pending bit was set above, and we must now + * Did not get the lock. The pending bit was set above, and we must now * wait until we get the global lock released interrupt. */ - ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Waiting for the HW Global Lock\n")); + ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Waiting for hardware Global Lock\n")); /* - * Acquire the global lock semaphore first. - * Since this wait will block, we must release the interpreter + * Wait for handshake with the global lock interrupt handler. + * This interface releases the interpreter if we must wait. */ - status = - acpi_ex_system_wait_semaphore(acpi_gbl_global_lock_semaphore, - timeout); + status = acpi_ex_system_wait_semaphore(acpi_gbl_global_lock_semaphore, + ACPI_WAIT_FOREVER); + return_ACPI_STATUS(status); } @@ -477,38 +499,39 @@ acpi_status acpi_ev_release_global_lock(void) ACPI_FUNCTION_TRACE(ev_release_global_lock); - if (!acpi_gbl_global_lock_thread_count) { + /* Lock must be already acquired */ + + if (!acpi_gbl_global_lock_acquired) { ACPI_WARNING((AE_INFO, - "Cannot release HW Global Lock, it has not been acquired")); + "Cannot release the ACPI Global Lock, it has not been acquired")); return_ACPI_STATUS(AE_NOT_ACQUIRED); } - /* One fewer thread has the global lock */ + if (acpi_gbl_global_lock_present) { - acpi_gbl_global_lock_thread_count--; - if (acpi_gbl_global_lock_thread_count) { + /* Allow any thread to release the lock */ - /* There are still some threads holding the lock, cannot release */ + ACPI_RELEASE_GLOBAL_LOCK(facs, pending); - return_ACPI_STATUS(AE_OK); + /* + * If the pending bit was set, we must write GBL_RLS to the control + * register + */ + if (pending) { + status = + acpi_set_register(ACPI_BITREG_GLOBAL_LOCK_RELEASE, + 1); + } + + ACPI_DEBUG_PRINT((ACPI_DB_EXEC, + "Released hardware Global Lock\n")); } - /* - * No more threads holding lock, we can do the actual hardware - * release - */ - ACPI_RELEASE_GLOBAL_LOCK(acpi_gbl_common_fACS.global_lock, pending); acpi_gbl_global_lock_acquired = FALSE; - /* - * If the pending bit was set, we must write GBL_RLS to the control - * register - */ - if (pending) { - status = acpi_set_register(ACPI_BITREG_GLOBAL_LOCK_RELEASE, - 1, ACPI_MTX_LOCK); - } + /* Release the local GL mutex */ + acpi_os_release_mutex(acpi_gbl_global_lock_mutex); return_ACPI_STATUS(status); } @@ -558,6 +581,12 @@ void acpi_ev_terminate(void) if (ACPI_FAILURE(status)) { ACPI_ERROR((AE_INFO, "Could not remove SCI handler")); } + + status = acpi_ev_remove_global_lock_handler(); + if (ACPI_FAILURE(status)) { + ACPI_ERROR((AE_INFO, + "Could not remove Global Lock handler")); + } } /* Deallocate all handler objects installed within GPE info structs */ diff --git a/drivers/acpi/events/evregion.c b/drivers/acpi/events/evregion.c index 21caae04fe8..e99f0c435a4 100644 --- a/drivers/acpi/events/evregion.c +++ b/drivers/acpi/events/evregion.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -291,7 +291,6 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj, u32 bit_width, acpi_integer * value) { acpi_status status; - acpi_status status2; acpi_adr_space_handler handler; acpi_adr_space_setup region_setup; union acpi_operand_object *handler_desc; @@ -345,7 +344,7 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj, * setup will potentially execute control methods * (e.g., _REG method for this region) */ - acpi_ex_exit_interpreter(); + acpi_ex_relinquish_interpreter(); status = region_setup(region_obj, ACPI_REGION_ACTIVATE, handler_desc->address_space.context, @@ -353,10 +352,7 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj, /* Re-enter the interpreter */ - status2 = acpi_ex_enter_interpreter(); - if (ACPI_FAILURE(status2)) { - return_ACPI_STATUS(status2); - } + acpi_ex_reacquire_interpreter(); /* Check for failure of the Region Setup */ @@ -409,7 +405,7 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj, * exit the interpreter because the handler *might* block -- we don't * know what it will do, so we can't hold the lock on the intepreter. */ - acpi_ex_exit_interpreter(); + acpi_ex_relinquish_interpreter(); } /* Call the handler */ @@ -430,10 +426,7 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj, * We just returned from a non-default handler, we must re-enter the * interpreter */ - status2 = acpi_ex_enter_interpreter(); - if (ACPI_FAILURE(status2)) { - return_ACPI_STATUS(status2); - } + acpi_ex_reacquire_interpreter(); } return_ACPI_STATUS(status); diff --git a/drivers/acpi/events/evrgnini.c b/drivers/acpi/events/evrgnini.c index 203d1359190..a4fa7e6822a 100644 --- a/drivers/acpi/events/evrgnini.c +++ b/drivers/acpi/events/evrgnini.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -48,6 +48,11 @@ #define _COMPONENT ACPI_EVENTS ACPI_MODULE_NAME("evrgnini") +/* Local prototypes */ +static u8 acpi_ev_match_pci_root_bridge(char *id); + +static u8 acpi_ev_is_pci_root_bridge(struct acpi_namespace_node *node); + /******************************************************************************* * * FUNCTION: acpi_ev_system_memory_region_setup @@ -62,6 +67,7 @@ ACPI_MODULE_NAME("evrgnini") * DESCRIPTION: Setup a system_memory operation region * ******************************************************************************/ + acpi_status acpi_ev_system_memory_region_setup(acpi_handle handle, u32 function, @@ -168,9 +174,9 @@ acpi_ev_pci_config_region_setup(acpi_handle handle, union acpi_operand_object *handler_obj; struct acpi_namespace_node *parent_node; struct acpi_namespace_node *pci_root_node; + struct acpi_namespace_node *pci_device_node; union acpi_operand_object *region_obj = (union acpi_operand_object *)handle; - struct acpi_device_id object_hID; ACPI_FUNCTION_TRACE(ev_pci_config_region_setup); @@ -215,45 +221,30 @@ acpi_ev_pci_config_region_setup(acpi_handle handle, pci_root_node = parent_node; while (pci_root_node != acpi_gbl_root_node) { - status = - acpi_ut_execute_HID(pci_root_node, &object_hID); - if (ACPI_SUCCESS(status)) { - /* - * Got a valid _HID string, check if this is a PCI root. - * New for ACPI 3.0: check for a PCI Express root also. - */ - if (! - (ACPI_STRNCMP - (object_hID.value, PCI_ROOT_HID_STRING, - sizeof(PCI_ROOT_HID_STRING))) - || - !(ACPI_STRNCMP - (object_hID.value, - PCI_EXPRESS_ROOT_HID_STRING, - sizeof(PCI_EXPRESS_ROOT_HID_STRING)))) { - - /* Install a handler for this PCI root bridge */ - status = - acpi_install_address_space_handler((acpi_handle) pci_root_node, ACPI_ADR_SPACE_PCI_CONFIG, ACPI_DEFAULT_HANDLER, NULL, NULL); - if (ACPI_FAILURE(status)) { - if (status == AE_SAME_HANDLER) { - /* - * It is OK if the handler is already installed on the root - * bridge. Still need to return a context object for the - * new PCI_Config operation region, however. - */ - status = AE_OK; - } else { - ACPI_EXCEPTION((AE_INFO, - status, - "Could not install PciConfig handler for Root Bridge %4.4s", - acpi_ut_get_node_name - (pci_root_node))); - } + /* Get the _HID/_CID in order to detect a root_bridge */ + + if (acpi_ev_is_pci_root_bridge(pci_root_node)) { + + /* Install a handler for this PCI root bridge */ + + status = acpi_install_address_space_handler((acpi_handle) pci_root_node, ACPI_ADR_SPACE_PCI_CONFIG, ACPI_DEFAULT_HANDLER, NULL, NULL); + if (ACPI_FAILURE(status)) { + if (status == AE_SAME_HANDLER) { + /* + * It is OK if the handler is already installed on the root + * bridge. Still need to return a context object for the + * new PCI_Config operation region, however. + */ + status = AE_OK; + } else { + ACPI_EXCEPTION((AE_INFO, status, + "Could not install PciConfig handler for Root Bridge %4.4s", + acpi_ut_get_node_name + (pci_root_node))); } - break; } + break; } pci_root_node = acpi_ns_get_parent_node(pci_root_node); @@ -282,14 +273,25 @@ acpi_ev_pci_config_region_setup(acpi_handle handle, /* * For PCI_Config space access, we need the segment, bus, * device and function numbers. Acquire them here. + * + * Find the parent device object. (This allows the operation region to be + * within a subscope under the device, such as a control method.) */ + pci_device_node = region_obj->region.node; + while (pci_device_node && (pci_device_node->type != ACPI_TYPE_DEVICE)) { + pci_device_node = acpi_ns_get_parent_node(pci_device_node); + } + + if (!pci_device_node) { + return_ACPI_STATUS(AE_AML_OPERAND_TYPE); + } /* * Get the PCI device and function numbers from the _ADR object * contained in the parent's scope. */ status = - acpi_ut_evaluate_numeric_object(METHOD_NAME__ADR, parent_node, + acpi_ut_evaluate_numeric_object(METHOD_NAME__ADR, pci_device_node, &pci_value); /* @@ -329,6 +331,91 @@ acpi_ev_pci_config_region_setup(acpi_handle handle, /******************************************************************************* * + * FUNCTION: acpi_ev_match_pci_root_bridge + * + * PARAMETERS: Id - The HID/CID in string format + * + * RETURN: TRUE if the Id is a match for a PCI/PCI-Express Root Bridge + * + * DESCRIPTION: Determine if the input ID is a PCI Root Bridge ID. + * + ******************************************************************************/ + +static u8 acpi_ev_match_pci_root_bridge(char *id) +{ + + /* + * Check if this is a PCI root. + * ACPI 3.0+: check for a PCI Express root also. + */ + if (!(ACPI_STRNCMP(id, + PCI_ROOT_HID_STRING, + sizeof(PCI_ROOT_HID_STRING))) || + !(ACPI_STRNCMP(id, + PCI_EXPRESS_ROOT_HID_STRING, + sizeof(PCI_EXPRESS_ROOT_HID_STRING)))) { + return (TRUE); + } + + return (FALSE); +} + +/******************************************************************************* + * + * FUNCTION: acpi_ev_is_pci_root_bridge + * + * PARAMETERS: Node - Device node being examined + * + * RETURN: TRUE if device is a PCI/PCI-Express Root Bridge + * + * DESCRIPTION: Determine if the input device represents a PCI Root Bridge by + * examining the _HID and _CID for the device. + * + ******************************************************************************/ + +static u8 acpi_ev_is_pci_root_bridge(struct acpi_namespace_node *node) +{ + acpi_status status; + struct acpi_device_id hid; + struct acpi_compatible_id_list *cid; + acpi_native_uint i; + + /* + * Get the _HID and check for a PCI Root Bridge + */ + status = acpi_ut_execute_HID(node, &hid); + if (ACPI_FAILURE(status)) { + return (FALSE); + } + + if (acpi_ev_match_pci_root_bridge(hid.value)) { + return (TRUE); + } + + /* + * The _HID did not match. + * Get the _CID and check for a PCI Root Bridge + */ + status = acpi_ut_execute_CID(node, &cid); + if (ACPI_FAILURE(status)) { + return (FALSE); + } + + /* Check all _CIDs in the returned list */ + + for (i = 0; i < cid->count; i++) { + if (acpi_ev_match_pci_root_bridge(cid->id[i].value)) { + ACPI_FREE(cid); + return (TRUE); + } + } + + ACPI_FREE(cid); + return (FALSE); +} + +/******************************************************************************* + * * FUNCTION: acpi_ev_pci_bar_region_setup * * PARAMETERS: Handle - Region we are interested in @@ -432,6 +519,9 @@ acpi_ev_default_region_setup(acpi_handle handle, * a PCI address in the scope of the definition. This address is * required to perform an access to PCI config space. * + * MUTEX: Interpreter should be unlocked, because we may run the _REG + * method for this region. + * ******************************************************************************/ acpi_status diff --git a/drivers/acpi/events/evsci.c b/drivers/acpi/events/evsci.c index 8106215ad55..7e5d15ce239 100644 --- a/drivers/acpi/events/evsci.c +++ b/drivers/acpi/events/evsci.c @@ -6,7 +6,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -142,9 +142,10 @@ u32 acpi_ev_install_sci_handler(void) ACPI_FUNCTION_TRACE(ev_install_sci_handler); - status = acpi_os_install_interrupt_handler((u32) acpi_gbl_FADT->sci_int, - acpi_ev_sci_xrupt_handler, - acpi_gbl_gpe_xrupt_list_head); + status = + acpi_os_install_interrupt_handler((u32) acpi_gbl_FADT.sci_interrupt, + acpi_ev_sci_xrupt_handler, + acpi_gbl_gpe_xrupt_list_head); return_ACPI_STATUS(status); } @@ -175,8 +176,9 @@ acpi_status acpi_ev_remove_sci_handler(void) /* Just let the OS remove the handler and disable the level */ - status = acpi_os_remove_interrupt_handler((u32) acpi_gbl_FADT->sci_int, - acpi_ev_sci_xrupt_handler); + status = + acpi_os_remove_interrupt_handler((u32) acpi_gbl_FADT.sci_interrupt, + acpi_ev_sci_xrupt_handler); return_ACPI_STATUS(status); } diff --git a/drivers/acpi/events/evxface.c b/drivers/acpi/events/evxface.c index 923fd2b4695..685a103a358 100644 --- a/drivers/acpi/events/evxface.c +++ b/drivers/acpi/events/evxface.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -768,11 +768,9 @@ acpi_status acpi_acquire_global_lock(u16 timeout, u32 * handle) return (AE_BAD_PARAMETER); } - status = acpi_ex_enter_interpreter(); - if (ACPI_FAILURE(status)) { - return (status); - } + /* Must lock interpreter to prevent race conditions */ + acpi_ex_enter_interpreter(); status = acpi_ev_acquire_global_lock(timeout); acpi_ex_exit_interpreter(); diff --git a/drivers/acpi/events/evxfevnt.c b/drivers/acpi/events/evxfevnt.c index 7ebc2efac93..17065e98807 100644 --- a/drivers/acpi/events/evxfevnt.c +++ b/drivers/acpi/events/evxfevnt.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -44,6 +44,7 @@ #include <acpi/acpi.h> #include <acpi/acevents.h> #include <acpi/acnamesp.h> +#include <acpi/actables.h> #define _COMPONENT ACPI_EVENTS ACPI_MODULE_NAME("evxfevnt") @@ -65,13 +66,14 @@ acpi_status acpi_enable(void) ACPI_FUNCTION_TRACE(acpi_enable); - /* Make sure we have the FADT */ + /* ACPI tables must be present */ - if (!acpi_gbl_FADT) { - ACPI_WARNING((AE_INFO, "No FADT information present!")); + if (!acpi_tb_tables_loaded()) { return_ACPI_STATUS(AE_NO_ACPI_TABLES); } + /* Check current mode */ + if (acpi_hw_get_mode() == ACPI_SYS_MODE_ACPI) { ACPI_DEBUG_PRINT((ACPI_DB_INIT, "System is already in ACPI mode\n")); @@ -111,11 +113,6 @@ acpi_status acpi_disable(void) ACPI_FUNCTION_TRACE(acpi_disable); - if (!acpi_gbl_FADT) { - ACPI_WARNING((AE_INFO, "No FADT information present!")); - return_ACPI_STATUS(AE_NO_ACPI_TABLES); - } - if (acpi_hw_get_mode() == ACPI_SYS_MODE_LEGACY) { ACPI_DEBUG_PRINT((ACPI_DB_INIT, "System is already in legacy (non-ACPI) mode\n")); @@ -169,7 +166,7 @@ acpi_status acpi_enable_event(u32 event, u32 flags) */ status = acpi_set_register(acpi_gbl_fixed_event_info[event]. - enable_register_id, 1, ACPI_MTX_LOCK); + enable_register_id, 1); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } @@ -178,7 +175,7 @@ acpi_status acpi_enable_event(u32 event, u32 flags) status = acpi_get_register(acpi_gbl_fixed_event_info[event]. - enable_register_id, &value, ACPI_MTX_LOCK); + enable_register_id, &value); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } @@ -368,14 +365,14 @@ acpi_status acpi_disable_event(u32 event, u32 flags) */ status = acpi_set_register(acpi_gbl_fixed_event_info[event]. - enable_register_id, 0, ACPI_MTX_LOCK); + enable_register_id, 0); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } status = acpi_get_register(acpi_gbl_fixed_event_info[event]. - enable_register_id, &value, ACPI_MTX_LOCK); + enable_register_id, &value); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } @@ -421,7 +418,7 @@ acpi_status acpi_clear_event(u32 event) */ status = acpi_set_register(acpi_gbl_fixed_event_info[event]. - status_register_id, 1, ACPI_MTX_LOCK); + status_register_id, 1); return_ACPI_STATUS(status); } @@ -510,7 +507,7 @@ acpi_status acpi_get_event_status(u32 event, acpi_event_status * event_status) status = acpi_get_register(acpi_gbl_fixed_event_info[event]. - status_register_id, event_status, ACPI_MTX_LOCK); + status_register_id, event_status); return_ACPI_STATUS(status); } diff --git a/drivers/acpi/events/evxfregn.c b/drivers/acpi/events/evxfregn.c index 83b12a9afa3..7bf09c5fb24 100644 --- a/drivers/acpi/events/evxfregn.c +++ b/drivers/acpi/events/evxfregn.c @@ -6,7 +6,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/executer/exconfig.c b/drivers/acpi/executer/exconfig.c index c8341fa5fe0..25802f302ff 100644 --- a/drivers/acpi/executer/exconfig.c +++ b/drivers/acpi/executer/exconfig.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -54,7 +54,7 @@ ACPI_MODULE_NAME("exconfig") /* Local prototypes */ static acpi_status -acpi_ex_add_table(struct acpi_table_header *table, +acpi_ex_add_table(acpi_native_uint table_index, struct acpi_namespace_node *parent_node, union acpi_operand_object **ddb_handle); @@ -74,12 +74,11 @@ acpi_ex_add_table(struct acpi_table_header *table, ******************************************************************************/ static acpi_status -acpi_ex_add_table(struct acpi_table_header *table, +acpi_ex_add_table(acpi_native_uint table_index, struct acpi_namespace_node *parent_node, union acpi_operand_object **ddb_handle) { acpi_status status; - struct acpi_table_desc table_info; union acpi_operand_object *obj_desc; ACPI_FUNCTION_TRACE(ex_add_table); @@ -98,42 +97,16 @@ acpi_ex_add_table(struct acpi_table_header *table, /* Install the new table into the local data structures */ - ACPI_MEMSET(&table_info, 0, sizeof(struct acpi_table_desc)); - - table_info.type = ACPI_TABLE_ID_SSDT; - table_info.pointer = table; - table_info.length = (acpi_size) table->length; - table_info.allocation = ACPI_MEM_ALLOCATED; - - status = acpi_tb_install_table(&table_info); - obj_desc->reference.object = table_info.installed_desc; - - if (ACPI_FAILURE(status)) { - if (status == AE_ALREADY_EXISTS) { - - /* Table already exists, just return the handle */ - - return_ACPI_STATUS(AE_OK); - } - goto cleanup; - } + obj_desc->reference.object = ACPI_CAST_PTR(void, table_index); /* Add the table to the namespace */ - status = acpi_ns_load_table(table_info.installed_desc, parent_node); + status = acpi_ns_load_table(table_index, parent_node); if (ACPI_FAILURE(status)) { - - /* Uninstall table on error */ - - (void)acpi_tb_uninstall_table(table_info.installed_desc); - goto cleanup; + acpi_ut_remove_reference(obj_desc); + *ddb_handle = NULL; } - return_ACPI_STATUS(AE_OK); - - cleanup: - acpi_ut_remove_reference(obj_desc); - *ddb_handle = NULL; return_ACPI_STATUS(status); } @@ -146,7 +119,7 @@ acpi_ex_add_table(struct acpi_table_header *table, * * RETURN: Status * - * DESCRIPTION: Load an ACPI table + * DESCRIPTION: Load an ACPI table from the RSDT/XSDT * ******************************************************************************/ @@ -156,33 +129,20 @@ acpi_ex_load_table_op(struct acpi_walk_state *walk_state, { acpi_status status; union acpi_operand_object **operand = &walk_state->operands[0]; - struct acpi_table_header *table; + acpi_native_uint table_index; struct acpi_namespace_node *parent_node; struct acpi_namespace_node *start_node; struct acpi_namespace_node *parameter_node = NULL; union acpi_operand_object *ddb_handle; + struct acpi_table_header *table; ACPI_FUNCTION_TRACE(ex_load_table_op); -#if 0 - /* - * Make sure that the signature does not match one of the tables that - * is already loaded. - */ - status = acpi_tb_match_signature(operand[0]->string.pointer, NULL); - if (status == AE_OK) { - - /* Signature matched -- don't allow override */ - - return_ACPI_STATUS(AE_ALREADY_EXISTS); - } -#endif - - /* Find the ACPI table */ + /* Find the ACPI table in the RSDT/XSDT */ status = acpi_tb_find_table(operand[0]->string.pointer, operand[1]->string.pointer, - operand[2]->string.pointer, &table); + operand[2]->string.pointer, &table_index); if (ACPI_FAILURE(status)) { if (status != AE_NOT_FOUND) { return_ACPI_STATUS(status); @@ -245,7 +205,7 @@ acpi_ex_load_table_op(struct acpi_walk_state *walk_state, /* Load the table into the namespace */ - status = acpi_ex_add_table(table, parent_node, &ddb_handle); + status = acpi_ex_add_table(table_index, parent_node, &ddb_handle); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } @@ -266,9 +226,13 @@ acpi_ex_load_table_op(struct acpi_walk_state *walk_state, } } - ACPI_INFO((AE_INFO, - "Dynamic OEM Table Load - [%4.4s] OemId [%6.6s] OemTableId [%8.8s]", - table->signature, table->oem_id, table->oem_table_id)); + status = acpi_get_table_by_index(table_index, &table); + if (ACPI_SUCCESS(status)) { + ACPI_INFO((AE_INFO, + "Dynamic OEM Table Load - [%4.4s] OemId [%6.6s] OemTableId [%8.8s]", + table->signature, table->oem_id, + table->oem_table_id)); + } *return_desc = ddb_handle; return_ACPI_STATUS(status); @@ -278,7 +242,7 @@ acpi_ex_load_table_op(struct acpi_walk_state *walk_state, * * FUNCTION: acpi_ex_load_op * - * PARAMETERS: obj_desc - Region or Field where the table will be + * PARAMETERS: obj_desc - Region or Buffer/Field where the table will be * obtained * Target - Where a handle to the table will be stored * walk_state - Current state @@ -287,6 +251,12 @@ acpi_ex_load_table_op(struct acpi_walk_state *walk_state, * * DESCRIPTION: Load an ACPI table from a field or operation region * + * NOTE: Region Fields (Field, bank_field, index_fields) are resolved to buffer + * objects before this code is reached. + * + * If source is an operation region, it must refer to system_memory, as + * per the ACPI specification. + * ******************************************************************************/ acpi_status @@ -294,22 +264,26 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc, union acpi_operand_object *target, struct acpi_walk_state *walk_state) { - acpi_status status; union acpi_operand_object *ddb_handle; - union acpi_operand_object *buffer_desc = NULL; - struct acpi_table_header *table_ptr = NULL; - acpi_physical_address address; - struct acpi_table_header table_header; - acpi_integer temp; - u32 i; + struct acpi_table_desc table_desc; + acpi_native_uint table_index; + acpi_status status; ACPI_FUNCTION_TRACE(ex_load_op); - /* Object can be either an op_region or a Field */ + ACPI_MEMSET(&table_desc, 0, sizeof(struct acpi_table_desc)); + + /* Source Object can be either an op_region or a Buffer/Field */ switch (ACPI_GET_OBJECT_TYPE(obj_desc)) { case ACPI_TYPE_REGION: + /* Region must be system_memory (from ACPI spec) */ + + if (obj_desc->region.space_id != ACPI_ADR_SPACE_SYSTEM_MEMORY) { + return_ACPI_STATUS(AE_AML_OPERAND_TYPE); + } + ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Load from Region %p %s\n", obj_desc, acpi_ut_get_object_type_name(obj_desc))); @@ -325,113 +299,41 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc, } } - /* Get the base physical address of the region */ - - address = obj_desc->region.address; - - /* Get part of the table header to get the table length */ - - table_header.length = 0; - for (i = 0; i < 8; i++) { - status = - acpi_ev_address_space_dispatch(obj_desc, ACPI_READ, - (acpi_physical_address) - (i + address), 8, - &temp); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - /* Get the one valid byte of the returned 64-bit value */ - - ACPI_CAST_PTR(u8, &table_header)[i] = (u8) temp; - } - - /* Sanity check the table length */ - - if (table_header.length < sizeof(struct acpi_table_header)) { - return_ACPI_STATUS(AE_BAD_HEADER); - } - - /* Allocate a buffer for the entire table */ - - table_ptr = ACPI_ALLOCATE(table_header.length); - if (!table_ptr) { - return_ACPI_STATUS(AE_NO_MEMORY); - } - - /* Get the entire table from the op region */ - - for (i = 0; i < table_header.length; i++) { - status = - acpi_ev_address_space_dispatch(obj_desc, ACPI_READ, - (acpi_physical_address) - (i + address), 8, - &temp); - if (ACPI_FAILURE(status)) { - goto cleanup; - } - - /* Get the one valid byte of the returned 64-bit value */ - - ACPI_CAST_PTR(u8, table_ptr)[i] = (u8) temp; - } + table_desc.address = obj_desc->region.address; + table_desc.length = obj_desc->region.length; + table_desc.flags = ACPI_TABLE_ORIGIN_MAPPED; break; - case ACPI_TYPE_LOCAL_REGION_FIELD: - case ACPI_TYPE_LOCAL_BANK_FIELD: - case ACPI_TYPE_LOCAL_INDEX_FIELD: + case ACPI_TYPE_BUFFER: /* Buffer or resolved region_field */ - ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Load from Field %p %s\n", - obj_desc, - acpi_ut_get_object_type_name(obj_desc))); + /* Simply extract the buffer from the buffer object */ - /* - * The length of the field must be at least as large as the table. - * Read the entire field and thus the entire table. Buffer is - * allocated during the read. - */ - status = - acpi_ex_read_data_from_field(walk_state, obj_desc, - &buffer_desc); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - table_ptr = ACPI_CAST_PTR(struct acpi_table_header, - buffer_desc->buffer.pointer); - - /* All done with the buffer_desc, delete it */ - - buffer_desc->buffer.pointer = NULL; - acpi_ut_remove_reference(buffer_desc); + ACPI_DEBUG_PRINT((ACPI_DB_EXEC, + "Load from Buffer or Field %p %s\n", obj_desc, + acpi_ut_get_object_type_name(obj_desc))); - /* Sanity check the table length */ + table_desc.pointer = ACPI_CAST_PTR(struct acpi_table_header, + obj_desc->buffer.pointer); + table_desc.length = table_desc.pointer->length; + table_desc.flags = ACPI_TABLE_ORIGIN_ALLOCATED; - if (table_ptr->length < sizeof(struct acpi_table_header)) { - status = AE_BAD_HEADER; - goto cleanup; - } + obj_desc->buffer.pointer = NULL; break; default: return_ACPI_STATUS(AE_AML_OPERAND_TYPE); } - /* The table must be either an SSDT or a PSDT */ - - if ((!ACPI_COMPARE_NAME(table_ptr->signature, PSDT_SIG)) && - (!ACPI_COMPARE_NAME(table_ptr->signature, SSDT_SIG))) { - ACPI_ERROR((AE_INFO, - "Table has invalid signature [%4.4s], must be SSDT or PSDT", - table_ptr->signature)); - status = AE_BAD_SIGNATURE; + /* + * Install the new table into the local data structures + */ + status = acpi_tb_add_table(&table_desc, &table_index); + if (ACPI_FAILURE(status)) { goto cleanup; } - /* Install the new table into the local data structures */ - - status = acpi_ex_add_table(table_ptr, acpi_gbl_root_node, &ddb_handle); + status = + acpi_ex_add_table(table_index, acpi_gbl_root_node, &ddb_handle); if (ACPI_FAILURE(status)) { /* On error, table_ptr was deallocated above */ @@ -450,13 +352,9 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc, return_ACPI_STATUS(status); } - ACPI_INFO((AE_INFO, - "Dynamic SSDT Load - OemId [%6.6s] OemTableId [%8.8s]", - table_ptr->oem_id, table_ptr->oem_table_id)); - cleanup: if (ACPI_FAILURE(status)) { - ACPI_FREE(table_ptr); + acpi_tb_delete_table(&table_desc); } return_ACPI_STATUS(status); } @@ -477,7 +375,7 @@ acpi_status acpi_ex_unload_table(union acpi_operand_object *ddb_handle) { acpi_status status = AE_OK; union acpi_operand_object *table_desc = ddb_handle; - struct acpi_table_desc *table_info; + acpi_native_uint table_index; ACPI_FUNCTION_TRACE(ex_unload_table); @@ -493,19 +391,18 @@ acpi_status acpi_ex_unload_table(union acpi_operand_object *ddb_handle) return_ACPI_STATUS(AE_BAD_PARAMETER); } - /* Get the actual table descriptor from the ddb_handle */ + /* Get the table index from the ddb_handle */ - table_info = (struct acpi_table_desc *)table_desc->reference.object; + table_index = (acpi_native_uint) table_desc->reference.object; /* * Delete the entire namespace under this table Node * (Offset contains the table_id) */ - acpi_ns_delete_namespace_by_owner(table_info->owner_id); - - /* Delete the table itself */ + acpi_tb_delete_namespace_by_owner(table_index); + acpi_tb_release_owner_id(table_index); - (void)acpi_tb_uninstall_table(table_info->installed_desc); + acpi_tb_set_table_loaded_flag(table_index, FALSE); /* Delete the table descriptor (ddb_handle) */ diff --git a/drivers/acpi/executer/exconvrt.c b/drivers/acpi/executer/exconvrt.c index 544e81a6a43..d470e8b1f4e 100644 --- a/drivers/acpi/executer/exconvrt.c +++ b/drivers/acpi/executer/exconvrt.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/executer/excreate.c b/drivers/acpi/executer/excreate.c index 34eec82c1b1..7c38528a7e8 100644 --- a/drivers/acpi/executer/excreate.c +++ b/drivers/acpi/executer/excreate.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -359,8 +359,9 @@ acpi_status acpi_ex_create_table_region(struct acpi_walk_state *walk_state) union acpi_operand_object **operand = &walk_state->operands[0]; union acpi_operand_object *obj_desc; struct acpi_namespace_node *node; - struct acpi_table_header *table; union acpi_operand_object *region_obj2; + acpi_native_uint table_index; + struct acpi_table_header *table; ACPI_FUNCTION_TRACE(ex_create_table_region); @@ -380,7 +381,7 @@ acpi_status acpi_ex_create_table_region(struct acpi_walk_state *walk_state) status = acpi_tb_find_table(operand[1]->string.pointer, operand[2]->string.pointer, - operand[3]->string.pointer, &table); + operand[3]->string.pointer, &table_index); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } @@ -395,6 +396,11 @@ acpi_status acpi_ex_create_table_region(struct acpi_walk_state *walk_state) region_obj2 = obj_desc->common.next_object; region_obj2->extra.region_context = NULL; + status = acpi_get_table_by_index(table_index, &table); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + /* Init the region from the operands */ obj_desc->region.space_id = REGION_DATA_TABLE; @@ -553,7 +559,8 @@ acpi_ex_create_method(u8 * aml_start, obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_METHOD); if (!obj_desc) { - return_ACPI_STATUS(AE_NO_MEMORY); + status = AE_NO_MEMORY; + goto exit; } /* Save the method's AML pointer and length */ @@ -576,10 +583,7 @@ acpi_ex_create_method(u8 * aml_start, * Get the sync_level. If method is serialized, a mutex will be * created for this method when it is parsed. */ - if (acpi_gbl_all_methods_serialized) { - obj_desc->method.sync_level = 0; - obj_desc->method.method_flags |= AML_METHOD_SERIALIZED; - } else if (method_flags & AML_METHOD_SERIALIZED) { + if (method_flags & AML_METHOD_SERIALIZED) { /* * ACPI 1.0: sync_level = 0 * ACPI 2.0: sync_level = sync_level in method declaration @@ -597,6 +601,7 @@ acpi_ex_create_method(u8 * aml_start, acpi_ut_remove_reference(obj_desc); + exit: /* Remove a reference to the operand */ acpi_ut_remove_reference(operand[1]); diff --git a/drivers/acpi/executer/exdump.c b/drivers/acpi/executer/exdump.c index 2450943add3..68d283fd60e 100644 --- a/drivers/acpi/executer/exdump.c +++ b/drivers/acpi/executer/exdump.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -59,8 +59,6 @@ static void acpi_ex_out_string(char *title, char *value); static void acpi_ex_out_pointer(char *title, void *value); -static void acpi_ex_out_address(char *title, acpi_physical_address value); - static void acpi_ex_dump_object(union acpi_operand_object *obj_desc, struct acpi_exdump_info *info); @@ -92,10 +90,11 @@ static struct acpi_exdump_info acpi_ex_dump_string[4] = { {ACPI_EXD_STRING, 0, NULL} }; -static struct acpi_exdump_info acpi_ex_dump_buffer[4] = { +static struct acpi_exdump_info acpi_ex_dump_buffer[5] = { {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_buffer), NULL}, {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(buffer.length), "Length"}, {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(buffer.pointer), "Pointer"}, + {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(buffer.node), "Parent Node"}, {ACPI_EXD_BUFFER, 0, NULL} }; @@ -165,8 +164,8 @@ static struct acpi_exdump_info acpi_ex_dump_power[5] = { static struct acpi_exdump_info acpi_ex_dump_processor[7] = { {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_processor), NULL}, - {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(processor.proc_id), "Processor ID"}, - {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(processor.length), "Length"}, + {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(processor.proc_id), "Processor ID"}, + {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(processor.length), "Length"}, {ACPI_EXD_ADDRESS, ACPI_EXD_OFFSET(processor.address), "Address"}, {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(processor.system_notify), "System Notify"}, @@ -379,18 +378,12 @@ acpi_ex_dump_object(union acpi_operand_object *obj_desc, break; case ACPI_EXD_POINTER: + case ACPI_EXD_ADDRESS: acpi_ex_out_pointer(name, *ACPI_CAST_PTR(void *, target)); break; - case ACPI_EXD_ADDRESS: - - acpi_ex_out_address(name, - *ACPI_CAST_PTR - (acpi_physical_address, target)); - break; - case ACPI_EXD_STRING: acpi_ut_print_string(obj_desc->string.pointer, @@ -834,16 +827,6 @@ static void acpi_ex_out_pointer(char *title, void *value) acpi_os_printf("%20s : %p\n", title, value); } -static void acpi_ex_out_address(char *title, acpi_physical_address value) -{ - -#if ACPI_MACHINE_WIDTH == 16 - acpi_os_printf("%20s : %p\n", title, value); -#else - acpi_os_printf("%20s : %8.8X%8.8X\n", title, ACPI_FORMAT_UINT64(value)); -#endif -} - /******************************************************************************* * * FUNCTION: acpi_ex_dump_namespace_node diff --git a/drivers/acpi/executer/exfield.c b/drivers/acpi/executer/exfield.c index 9ea9c3a67ca..2d88a3d8d1a 100644 --- a/drivers/acpi/executer/exfield.c +++ b/drivers/acpi/executer/exfield.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/executer/exfldio.c b/drivers/acpi/executer/exfldio.c index 40f0bee6faa..65a48b6170e 100644 --- a/drivers/acpi/executer/exfldio.c +++ b/drivers/acpi/executer/exfldio.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -257,14 +257,13 @@ acpi_ex_access_region(union acpi_operand_object *obj_desc, } ACPI_DEBUG_PRINT_RAW((ACPI_DB_BFIELD, - " Region [%s:%X], Width %X, ByteBase %X, Offset %X at %8.8X%8.8X\n", + " Region [%s:%X], Width %X, ByteBase %X, Offset %X at %p\n", acpi_ut_get_region_name(rgn_desc->region. space_id), rgn_desc->region.space_id, obj_desc->common_field.access_byte_width, obj_desc->common_field.base_byte_offset, - field_datum_byte_offset, - ACPI_FORMAT_UINT64(address))); + field_datum_byte_offset, (void *)address)); /* Invoke the appropriate address_space/op_region handler */ diff --git a/drivers/acpi/executer/exmisc.c b/drivers/acpi/executer/exmisc.c index bd98aab017c..f13d1cec2d6 100644 --- a/drivers/acpi/executer/exmisc.c +++ b/drivers/acpi/executer/exmisc.c @@ -6,7 +6,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/executer/exmutex.c b/drivers/acpi/executer/exmutex.c index bf90f04f2c6..5101bad5baf 100644 --- a/drivers/acpi/executer/exmutex.c +++ b/drivers/acpi/executer/exmutex.c @@ -6,7 +6,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -44,6 +44,7 @@ #include <acpi/acpi.h> #include <acpi/acinterp.h> +#include <acpi/acevents.h> #define _COMPONENT ACPI_EXECUTER ACPI_MODULE_NAME("exmutex") @@ -150,7 +151,7 @@ acpi_ex_acquire_mutex(union acpi_operand_object *time_desc, return_ACPI_STATUS(AE_BAD_PARAMETER); } - /* Sanity check -- we must have a valid thread ID */ + /* Sanity check: we must have a valid thread ID */ if (!walk_state->thread) { ACPI_ERROR((AE_INFO, @@ -174,24 +175,28 @@ acpi_ex_acquire_mutex(union acpi_operand_object *time_desc, /* Support for multiple acquires by the owning thread */ if (obj_desc->mutex.owner_thread) { - - /* Special case for Global Lock, allow all threads */ - - if ((obj_desc->mutex.owner_thread->thread_id == - walk_state->thread->thread_id) || - (obj_desc->mutex.os_mutex == ACPI_GLOBAL_LOCK)) { + if (obj_desc->mutex.owner_thread->thread_id == + walk_state->thread->thread_id) { /* - * The mutex is already owned by this thread, - * just increment the acquisition depth + * The mutex is already owned by this thread, just increment the + * acquisition depth */ obj_desc->mutex.acquisition_depth++; return_ACPI_STATUS(AE_OK); } } - /* Acquire the mutex, wait if necessary */ + /* Acquire the mutex, wait if necessary. Special case for Global Lock */ + + if (obj_desc->mutex.os_mutex == acpi_gbl_global_lock_mutex) { + status = + acpi_ev_acquire_global_lock((u16) time_desc->integer.value); + } else { + status = acpi_ex_system_wait_mutex(obj_desc->mutex.os_mutex, + (u16) time_desc->integer. + value); + } - status = acpi_ex_system_acquire_mutex(time_desc, obj_desc); if (ACPI_FAILURE(status)) { /* Includes failure from a timeout on time_desc */ @@ -211,7 +216,6 @@ acpi_ex_acquire_mutex(union acpi_operand_object *time_desc, /* Link the mutex to the current thread for force-unlock at method exit */ acpi_ex_link_mutex(obj_desc, walk_state->thread); - return_ACPI_STATUS(AE_OK); } @@ -232,7 +236,7 @@ acpi_status acpi_ex_release_mutex(union acpi_operand_object *obj_desc, struct acpi_walk_state *walk_state) { - acpi_status status; + acpi_status status = AE_OK; ACPI_FUNCTION_TRACE(ex_release_mutex); @@ -249,7 +253,7 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc, return_ACPI_STATUS(AE_AML_MUTEX_NOT_ACQUIRED); } - /* Sanity check -- we must have a valid thread ID */ + /* Sanity check: we must have a valid thread ID */ if (!walk_state->thread) { ACPI_ERROR((AE_INFO, @@ -264,7 +268,7 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc, */ if ((obj_desc->mutex.owner_thread->thread_id != walk_state->thread->thread_id) - && (obj_desc->mutex.os_mutex != ACPI_GLOBAL_LOCK)) { + && (obj_desc->mutex.os_mutex != acpi_gbl_global_lock_mutex)) { ACPI_ERROR((AE_INFO, "Thread %lX cannot release Mutex [%4.4s] acquired by thread %lX", (unsigned long)walk_state->thread->thread_id, @@ -274,8 +278,8 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc, } /* - * The sync level of the mutex must be less than or - * equal to the current sync level + * The sync level of the mutex must be less than or equal to the current + * sync level */ if (obj_desc->mutex.sync_level > walk_state->thread->current_sync_level) { ACPI_ERROR((AE_INFO, @@ -298,11 +302,15 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc, acpi_ex_unlink_mutex(obj_desc); - /* Release the mutex */ + /* Release the mutex, special case for Global Lock */ - status = acpi_ex_system_release_mutex(obj_desc); + if (obj_desc->mutex.os_mutex == acpi_gbl_global_lock_mutex) { + status = acpi_ev_release_global_lock(); + } else { + acpi_os_release_mutex(obj_desc->mutex.os_mutex); + } - /* Update the mutex and walk state, restore sync_level before acquire */ + /* Update the mutex and restore sync_level */ obj_desc->mutex.owner_thread = NULL; walk_state->thread->current_sync_level = @@ -321,39 +329,49 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc, * * DESCRIPTION: Release all mutexes held by this thread * + * NOTE: This function is called as the thread is exiting the interpreter. + * Mutexes are not released when an individual control method is exited, but + * only when the parent thread actually exits the interpreter. This allows one + * method to acquire a mutex, and a different method to release it, as long as + * this is performed underneath a single parent control method. + * ******************************************************************************/ void acpi_ex_release_all_mutexes(struct acpi_thread_state *thread) { union acpi_operand_object *next = thread->acquired_mutex_list; - union acpi_operand_object *this; - acpi_status status; + union acpi_operand_object *obj_desc; ACPI_FUNCTION_ENTRY(); /* Traverse the list of owned mutexes, releasing each one */ while (next) { - this = next; - next = this->mutex.next; + obj_desc = next; + next = obj_desc->mutex.next; + + obj_desc->mutex.prev = NULL; + obj_desc->mutex.next = NULL; + obj_desc->mutex.acquisition_depth = 0; + + /* Release the mutex, special case for Global Lock */ - this->mutex.acquisition_depth = 1; - this->mutex.prev = NULL; - this->mutex.next = NULL; + if (obj_desc->mutex.os_mutex == acpi_gbl_global_lock_mutex) { - /* Release the mutex */ + /* Ignore errors */ - status = acpi_ex_system_release_mutex(this); - if (ACPI_FAILURE(status)) { - continue; + (void)acpi_ev_release_global_lock(); + } else { + acpi_os_release_mutex(obj_desc->mutex.os_mutex); } /* Mark mutex unowned */ - this->mutex.owner_thread = NULL; + obj_desc->mutex.owner_thread = NULL; /* Update Thread sync_level (Last mutex is the important one) */ - thread->current_sync_level = this->mutex.original_sync_level; + thread->current_sync_level = + obj_desc->mutex.original_sync_level; } } diff --git a/drivers/acpi/executer/exnames.c b/drivers/acpi/executer/exnames.c index d3d70364626..1ee4fb1175c 100644 --- a/drivers/acpi/executer/exnames.c +++ b/drivers/acpi/executer/exnames.c @@ -6,7 +6,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/executer/exoparg1.c b/drivers/acpi/executer/exoparg1.c index 6374d8be88e..252f10acbbc 100644 --- a/drivers/acpi/executer/exoparg1.c +++ b/drivers/acpi/executer/exoparg1.c @@ -6,7 +6,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -104,9 +104,7 @@ acpi_status acpi_ex_opcode_0A_0T_1R(struct acpi_walk_state *walk_state) status = AE_NO_MEMORY; goto cleanup; } -#if ACPI_MACHINE_WIDTH != 16 return_desc->integer.value = acpi_os_get_timer(); -#endif break; default: /* Unknown opcode */ diff --git a/drivers/acpi/executer/exoparg2.c b/drivers/acpi/executer/exoparg2.c index 7d2cbc11316..17e652e6537 100644 --- a/drivers/acpi/executer/exoparg2.c +++ b/drivers/acpi/executer/exoparg2.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/executer/exoparg3.c b/drivers/acpi/executer/exoparg3.c index e2d945dfd50..7fe67cf82ce 100644 --- a/drivers/acpi/executer/exoparg3.c +++ b/drivers/acpi/executer/exoparg3.c @@ -6,7 +6,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/executer/exoparg6.c b/drivers/acpi/executer/exoparg6.c index f0c0ba6eb40..bd80a9cb3d6 100644 --- a/drivers/acpi/executer/exoparg6.c +++ b/drivers/acpi/executer/exoparg6.c @@ -6,7 +6,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/executer/exprep.c b/drivers/acpi/executer/exprep.c index 44d064f427b..a6696621ff1 100644 --- a/drivers/acpi/executer/exprep.c +++ b/drivers/acpi/executer/exprep.c @@ -6,7 +6,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/executer/exregion.c b/drivers/acpi/executer/exregion.c index 3cc97ba48b3..2e9ce94798c 100644 --- a/drivers/acpi/executer/exregion.c +++ b/drivers/acpi/executer/exregion.c @@ -6,7 +6,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -155,16 +155,15 @@ acpi_ex_system_memory_space_handler(u32 function, /* Create a new mapping starting at the address given */ - status = acpi_os_map_memory(address, window_size, - (void **)&mem_info-> - mapped_logical_address); - if (ACPI_FAILURE(status)) { + mem_info->mapped_logical_address = + acpi_os_map_memory((acpi_native_uint) address, window_size); + if (!mem_info->mapped_logical_address) { ACPI_ERROR((AE_INFO, "Could not map memory at %8.8X%8.8X, size %X", ACPI_FORMAT_UINT64(address), (u32) window_size)); mem_info->mapped_length = 0; - return_ACPI_STATUS(status); + return_ACPI_STATUS(AE_NO_MEMORY); } /* Save the physical address and mapping size */ @@ -210,11 +209,10 @@ acpi_ex_system_memory_space_handler(u32 function, *value = (acpi_integer) ACPI_GET32(logical_addr_ptr); break; -#if ACPI_MACHINE_WIDTH != 16 case 64: *value = (acpi_integer) ACPI_GET64(logical_addr_ptr); break; -#endif + default: /* bit_width was already validated */ break; @@ -236,11 +234,9 @@ acpi_ex_system_memory_space_handler(u32 function, ACPI_SET32(logical_addr_ptr) = (u32) * value; break; -#if ACPI_MACHINE_WIDTH != 16 case 64: ACPI_SET64(logical_addr_ptr) = (u64) * value; break; -#endif default: /* bit_width was already validated */ diff --git a/drivers/acpi/executer/exresnte.c b/drivers/acpi/executer/exresnte.c index 3089b05a136..2b3a01cc492 100644 --- a/drivers/acpi/executer/exresnte.c +++ b/drivers/acpi/executer/exresnte.c @@ -6,7 +6,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/executer/exresolv.c b/drivers/acpi/executer/exresolv.c index 6499de87801..6c64e55dab0 100644 --- a/drivers/acpi/executer/exresolv.c +++ b/drivers/acpi/executer/exresolv.c @@ -6,7 +6,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -141,7 +141,7 @@ acpi_ex_resolve_object_to_value(union acpi_operand_object **stack_ptr, acpi_status status = AE_OK; union acpi_operand_object *stack_desc; void *temp_node; - union acpi_operand_object *obj_desc; + union acpi_operand_object *obj_desc = NULL; u16 opcode; ACPI_FUNCTION_TRACE(ex_resolve_object_to_value); @@ -299,8 +299,6 @@ acpi_ex_resolve_object_to_value(union acpi_operand_object **stack_ptr, status = acpi_ds_get_package_arguments(stack_desc); break; - /* These cases may never happen here, but just in case.. */ - case ACPI_TYPE_BUFFER_FIELD: case ACPI_TYPE_LOCAL_REGION_FIELD: case ACPI_TYPE_LOCAL_BANK_FIELD: @@ -314,6 +312,10 @@ acpi_ex_resolve_object_to_value(union acpi_operand_object **stack_ptr, status = acpi_ex_read_data_from_field(walk_state, stack_desc, &obj_desc); + + /* Remove a reference to the original operand, then override */ + + acpi_ut_remove_reference(*stack_ptr); *stack_ptr = (void *)obj_desc; break; diff --git a/drivers/acpi/executer/exresop.c b/drivers/acpi/executer/exresop.c index 4c93d097233..ba761862a59 100644 --- a/drivers/acpi/executer/exresop.c +++ b/drivers/acpi/executer/exresop.c @@ -6,7 +6,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -611,22 +611,20 @@ acpi_ex_resolve_operands(u16 opcode, } goto next_operand; - case ARGI_REGION_OR_FIELD: + case ARGI_REGION_OR_BUFFER: /* Used by Load() only */ - /* Need an operand of type REGION or a FIELD in a region */ + /* Need an operand of type REGION or a BUFFER (which could be a resolved region field) */ switch (ACPI_GET_OBJECT_TYPE(obj_desc)) { + case ACPI_TYPE_BUFFER: case ACPI_TYPE_REGION: - case ACPI_TYPE_LOCAL_REGION_FIELD: - case ACPI_TYPE_LOCAL_BANK_FIELD: - case ACPI_TYPE_LOCAL_INDEX_FIELD: /* Valid operand */ break; default: ACPI_ERROR((AE_INFO, - "Needed [Region/RegionField], found [%s] %p", + "Needed [Region/Buffer], found [%s] %p", acpi_ut_get_object_type_name (obj_desc), obj_desc)); diff --git a/drivers/acpi/executer/exstore.c b/drivers/acpi/executer/exstore.c index 0456405ba01..f4b69a63782 100644 --- a/drivers/acpi/executer/exstore.c +++ b/drivers/acpi/executer/exstore.c @@ -6,7 +6,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/executer/exstoren.c b/drivers/acpi/executer/exstoren.c index 591aaf0e18b..1d622c625c6 100644 --- a/drivers/acpi/executer/exstoren.c +++ b/drivers/acpi/executer/exstoren.c @@ -7,7 +7,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/executer/exstorob.c b/drivers/acpi/executer/exstorob.c index 99ebe5adfcd..8233d40178e 100644 --- a/drivers/acpi/executer/exstorob.c +++ b/drivers/acpi/executer/exstorob.c @@ -6,7 +6,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/executer/exsystem.c b/drivers/acpi/executer/exsystem.c index 28aef3e69ec..9460baff303 100644 --- a/drivers/acpi/executer/exsystem.c +++ b/drivers/acpi/executer/exsystem.c @@ -6,7 +6,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -66,7 +66,6 @@ ACPI_MODULE_NAME("exsystem") acpi_status acpi_ex_system_wait_semaphore(acpi_semaphore semaphore, u16 timeout) { acpi_status status; - acpi_status status2; ACPI_FUNCTION_TRACE(ex_system_wait_semaphore); @@ -79,7 +78,7 @@ acpi_status acpi_ex_system_wait_semaphore(acpi_semaphore semaphore, u16 timeout) /* We must wait, so unlock the interpreter */ - acpi_ex_exit_interpreter(); + acpi_ex_relinquish_interpreter(); status = acpi_os_wait_semaphore(semaphore, 1, timeout); @@ -89,13 +88,7 @@ acpi_status acpi_ex_system_wait_semaphore(acpi_semaphore semaphore, u16 timeout) /* Reacquire the interpreter */ - status2 = acpi_ex_enter_interpreter(); - if (ACPI_FAILURE(status2)) { - - /* Report fatal error, could not acquire interpreter */ - - return_ACPI_STATUS(status2); - } + acpi_ex_reacquire_interpreter(); } return_ACPI_STATUS(status); @@ -119,7 +112,6 @@ acpi_status acpi_ex_system_wait_semaphore(acpi_semaphore semaphore, u16 timeout) acpi_status acpi_ex_system_wait_mutex(acpi_mutex mutex, u16 timeout) { acpi_status status; - acpi_status status2; ACPI_FUNCTION_TRACE(ex_system_wait_mutex); @@ -132,7 +124,7 @@ acpi_status acpi_ex_system_wait_mutex(acpi_mutex mutex, u16 timeout) /* We must wait, so unlock the interpreter */ - acpi_ex_exit_interpreter(); + acpi_ex_relinquish_interpreter(); status = acpi_os_acquire_mutex(mutex, timeout); @@ -142,13 +134,7 @@ acpi_status acpi_ex_system_wait_mutex(acpi_mutex mutex, u16 timeout) /* Reacquire the interpreter */ - status2 = acpi_ex_enter_interpreter(); - if (ACPI_FAILURE(status2)) { - - /* Report fatal error, could not acquire interpreter */ - - return_ACPI_STATUS(status2); - } + acpi_ex_reacquire_interpreter(); } return_ACPI_STATUS(status); @@ -209,96 +195,18 @@ acpi_status acpi_ex_system_do_stall(u32 how_long) acpi_status acpi_ex_system_do_suspend(acpi_integer how_long) { - acpi_status status; - ACPI_FUNCTION_ENTRY(); /* Since this thread will sleep, we must release the interpreter */ - acpi_ex_exit_interpreter(); + acpi_ex_relinquish_interpreter(); acpi_os_sleep(how_long); /* And now we must get the interpreter again */ - status = acpi_ex_enter_interpreter(); - return (status); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_system_acquire_mutex - * - * PARAMETERS: time_desc - Maximum time to wait for the mutex - * obj_desc - The object descriptor for this op - * - * RETURN: Status - * - * DESCRIPTION: Provides an access point to perform synchronization operations - * within the AML. This function will cause a lock to be generated - * for the Mutex pointed to by obj_desc. - * - ******************************************************************************/ - -acpi_status -acpi_ex_system_acquire_mutex(union acpi_operand_object * time_desc, - union acpi_operand_object * obj_desc) -{ - acpi_status status = AE_OK; - - ACPI_FUNCTION_TRACE_PTR(ex_system_acquire_mutex, obj_desc); - - if (!obj_desc) { - return_ACPI_STATUS(AE_BAD_PARAMETER); - } - - /* Support for the _GL_ Mutex object -- go get the global lock */ - - if (obj_desc->mutex.os_mutex == ACPI_GLOBAL_LOCK) { - status = - acpi_ev_acquire_global_lock((u16) time_desc->integer.value); - return_ACPI_STATUS(status); - } - - status = acpi_ex_system_wait_mutex(obj_desc->mutex.os_mutex, - (u16) time_desc->integer.value); - return_ACPI_STATUS(status); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_system_release_mutex - * - * PARAMETERS: obj_desc - The object descriptor for this op - * - * RETURN: Status - * - * DESCRIPTION: Provides an access point to perform synchronization operations - * within the AML. This operation is a request to release a - * previously acquired Mutex. If the Mutex variable is set then - * it will be decremented. - * - ******************************************************************************/ - -acpi_status acpi_ex_system_release_mutex(union acpi_operand_object *obj_desc) -{ - acpi_status status = AE_OK; - - ACPI_FUNCTION_TRACE(ex_system_release_mutex); - - if (!obj_desc) { - return_ACPI_STATUS(AE_BAD_PARAMETER); - } - - /* Support for the _GL_ Mutex object -- release the global lock */ - - if (obj_desc->mutex.os_mutex == ACPI_GLOBAL_LOCK) { - status = acpi_ev_release_global_lock(); - return_ACPI_STATUS(status); - } - - acpi_os_release_mutex(obj_desc->mutex.os_mutex); - return_ACPI_STATUS(AE_OK); + acpi_ex_reacquire_interpreter(); + return (AE_OK); } /******************************************************************************* @@ -314,7 +222,7 @@ acpi_status acpi_ex_system_release_mutex(union acpi_operand_object *obj_desc) * ******************************************************************************/ -acpi_status acpi_ex_system_signal_event(union acpi_operand_object *obj_desc) +acpi_status acpi_ex_system_signal_event(union acpi_operand_object * obj_desc) { acpi_status status = AE_OK; diff --git a/drivers/acpi/executer/exutils.c b/drivers/acpi/executer/exutils.c index 982c8b65876..6b0aeccbb69 100644 --- a/drivers/acpi/executer/exutils.c +++ b/drivers/acpi/executer/exutils.c @@ -6,7 +6,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -76,14 +76,15 @@ static u32 acpi_ex_digits_needed(acpi_integer value, u32 base); * * PARAMETERS: None * - * RETURN: Status + * RETURN: None * - * DESCRIPTION: Enter the interpreter execution region. Failure to enter - * the interpreter region is a fatal system error + * DESCRIPTION: Enter the interpreter execution region. Failure to enter + * the interpreter region is a fatal system error. Used in + * conjunction with exit_interpreter. * ******************************************************************************/ -acpi_status acpi_ex_enter_interpreter(void) +void acpi_ex_enter_interpreter(void) { acpi_status status; @@ -91,31 +92,55 @@ acpi_status acpi_ex_enter_interpreter(void) status = acpi_ut_acquire_mutex(ACPI_MTX_INTERPRETER); if (ACPI_FAILURE(status)) { - ACPI_ERROR((AE_INFO, "Could not acquire interpreter mutex")); + ACPI_ERROR((AE_INFO, + "Could not acquire AML Interpreter mutex")); } - return_ACPI_STATUS(status); + return_VOID; } /******************************************************************************* * - * FUNCTION: acpi_ex_exit_interpreter + * FUNCTION: acpi_ex_reacquire_interpreter * * PARAMETERS: None * * RETURN: None * - * DESCRIPTION: Exit the interpreter execution region + * DESCRIPTION: Reacquire the interpreter execution region from within the + * interpreter code. Failure to enter the interpreter region is a + * fatal system error. Used in conjuction with + * relinquish_interpreter + * + ******************************************************************************/ + +void acpi_ex_reacquire_interpreter(void) +{ + ACPI_FUNCTION_TRACE(ex_reacquire_interpreter); + + /* + * If the global serialized flag is set, do not release the interpreter, + * since it was not actually released by acpi_ex_relinquish_interpreter. + * This forces the interpreter to be single threaded. + */ + if (!acpi_gbl_all_methods_serialized) { + acpi_ex_enter_interpreter(); + } + + return_VOID; +} + +/******************************************************************************* + * + * FUNCTION: acpi_ex_exit_interpreter + * + * PARAMETERS: None + * + * RETURN: None * - * Cases where the interpreter is unlocked: - * 1) Completion of the execution of a control method - * 2) Method blocked on a Sleep() AML opcode - * 3) Method blocked on an Acquire() AML opcode - * 4) Method blocked on a Wait() AML opcode - * 5) Method blocked to acquire the global lock - * 6) Method blocked to execute a serialized control method that is - * already executing - * 7) About to invoke a user-installed opregion handler + * DESCRIPTION: Exit the interpreter execution region. This is the top level + * routine used to exit the interpreter when all processing has + * been completed. * ******************************************************************************/ @@ -127,7 +152,46 @@ void acpi_ex_exit_interpreter(void) status = acpi_ut_release_mutex(ACPI_MTX_INTERPRETER); if (ACPI_FAILURE(status)) { - ACPI_ERROR((AE_INFO, "Could not release interpreter mutex")); + ACPI_ERROR((AE_INFO, + "Could not release AML Interpreter mutex")); + } + + return_VOID; +} + +/******************************************************************************* + * + * FUNCTION: acpi_ex_relinquish_interpreter + * + * PARAMETERS: None + * + * RETURN: None + * + * DESCRIPTION: Exit the interpreter execution region, from within the + * interpreter - before attempting an operation that will possibly + * block the running thread. + * + * Cases where the interpreter is unlocked internally + * 1) Method to be blocked on a Sleep() AML opcode + * 2) Method to be blocked on an Acquire() AML opcode + * 3) Method to be blocked on a Wait() AML opcode + * 4) Method to be blocked to acquire the global lock + * 5) Method to be blocked waiting to execute a serialized control method + * that is currently executing + * 6) About to invoke a user-installed opregion handler + * + ******************************************************************************/ + +void acpi_ex_relinquish_interpreter(void) +{ + ACPI_FUNCTION_TRACE(ex_relinquish_interpreter); + + /* + * If the global serialized flag is set, do not release the interpreter. + * This forces the interpreter to be single threaded. + */ + if (!acpi_gbl_all_methods_serialized) { + acpi_ex_exit_interpreter(); } return_VOID; @@ -141,8 +205,8 @@ void acpi_ex_exit_interpreter(void) * * RETURN: none * - * DESCRIPTION: Truncate a number to 32-bits if the currently executing method - * belongs to a 32-bit ACPI table. + * DESCRIPTION: Truncate an ACPI Integer to 32 bits if the execution mode is + * 32-bit, as determined by the revision of the DSDT. * ******************************************************************************/ diff --git a/drivers/acpi/fan.c b/drivers/acpi/fan.c index f305a826ca2..af22fdf7341 100644 --- a/drivers/acpi/fan.c +++ b/drivers/acpi/fan.c @@ -48,8 +48,8 @@ MODULE_LICENSE("GPL"); static int acpi_fan_add(struct acpi_device *device); static int acpi_fan_remove(struct acpi_device *device, int type); -static int acpi_fan_suspend(struct acpi_device *device, int state); -static int acpi_fan_resume(struct acpi_device *device, int state); +static int acpi_fan_suspend(struct acpi_device *device, pm_message_t state); +static int acpi_fan_resume(struct acpi_device *device); static struct acpi_driver acpi_fan_driver = { .name = ACPI_FAN_DRIVER_NAME, @@ -237,7 +237,7 @@ static int acpi_fan_remove(struct acpi_device *device, int type) return 0; } -static int acpi_fan_suspend(struct acpi_device *device, int state) +static int acpi_fan_suspend(struct acpi_device *device, pm_message_t state) { if (!device) return -EINVAL; @@ -247,7 +247,7 @@ static int acpi_fan_suspend(struct acpi_device *device, int state) return AE_OK; } -static int acpi_fan_resume(struct acpi_device *device, int state) +static int acpi_fan_resume(struct acpi_device *device) { int result = 0; int power_state = 0; diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c index 8a0324b43e5..7b6c9ff9beb 100644 --- a/drivers/acpi/glue.c +++ b/drivers/acpi/glue.c @@ -86,129 +86,6 @@ static int acpi_find_bridge_device(struct device *dev, acpi_handle * handle) return ret; } -/* Get PCI root bridge's handle from its segment and bus number */ -struct acpi_find_pci_root { - unsigned int seg; - unsigned int bus; - acpi_handle handle; -}; - -static acpi_status -do_root_bridge_busnr_callback(struct acpi_resource *resource, void *data) -{ - unsigned long *busnr = data; - struct acpi_resource_address64 address; - - if (resource->type != ACPI_RESOURCE_TYPE_ADDRESS16 && - resource->type != ACPI_RESOURCE_TYPE_ADDRESS32 && - resource->type != ACPI_RESOURCE_TYPE_ADDRESS64) - return AE_OK; - - acpi_resource_to_address64(resource, &address); - if ((address.address_length > 0) && - (address.resource_type == ACPI_BUS_NUMBER_RANGE)) - *busnr = address.minimum; - - return AE_OK; -} - -static int get_root_bridge_busnr(acpi_handle handle) -{ - acpi_status status; - unsigned long bus, bbn; - struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; - - acpi_get_name(handle, ACPI_FULL_PATHNAME, &buffer); - - status = acpi_evaluate_integer(handle, METHOD_NAME__BBN, NULL, - &bbn); - if (status == AE_NOT_FOUND) { - /* Assume bus = 0 */ - printk(KERN_INFO PREFIX - "Assume root bridge [%s] bus is 0\n", - (char *)buffer.pointer); - status = AE_OK; - bbn = 0; - } - if (ACPI_FAILURE(status)) { - bbn = -ENODEV; - goto exit; - } - if (bbn > 0) - goto exit; - - /* _BBN in some systems return 0 for all root bridges */ - bus = -1; - status = acpi_walk_resources(handle, METHOD_NAME__CRS, - do_root_bridge_busnr_callback, &bus); - /* If _CRS failed, we just use _BBN */ - if (ACPI_FAILURE(status) || (bus == -1)) - goto exit; - /* We select _CRS */ - if (bbn != bus) { - printk(KERN_INFO PREFIX - "_BBN and _CRS returns different value for %s. Select _CRS\n", - (char *)buffer.pointer); - bbn = bus; - } - exit: - kfree(buffer.pointer); - return (int)bbn; -} - -static acpi_status -find_pci_rootbridge(acpi_handle handle, u32 lvl, void *context, void **rv) -{ - struct acpi_find_pci_root *find = (struct acpi_find_pci_root *)context; - unsigned long seg, bus; - acpi_status status; - int tmp; - struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; - - acpi_get_name(handle, ACPI_FULL_PATHNAME, &buffer); - - status = acpi_evaluate_integer(handle, METHOD_NAME__SEG, NULL, &seg); - if (status == AE_NOT_FOUND) { - /* Assume seg = 0 */ - status = AE_OK; - seg = 0; - } - if (ACPI_FAILURE(status)) { - status = AE_CTRL_DEPTH; - goto exit; - } - - tmp = get_root_bridge_busnr(handle); - if (tmp < 0) { - printk(KERN_ERR PREFIX - "Find root bridge failed for %s\n", - (char *)buffer.pointer); - status = AE_CTRL_DEPTH; - goto exit; - } - bus = tmp; - - if (seg == find->seg && bus == find->bus) - { - find->handle = handle; - status = AE_CTRL_TERMINATE; - } - else - status = AE_OK; - exit: - kfree(buffer.pointer); - return status; -} - -acpi_handle acpi_get_pci_rootbridge_handle(unsigned int seg, unsigned int bus) -{ - struct acpi_find_pci_root find = { seg, bus, NULL }; - - acpi_get_devices(PCI_ROOT_HID_STRING, find_pci_rootbridge, &find, NULL); - return find.handle; -} -EXPORT_SYMBOL_GPL(acpi_get_pci_rootbridge_handle); - /* Get device's handler per its address under its parent */ struct acpi_find_child { acpi_handle handle; diff --git a/drivers/acpi/hardware/hwacpi.c b/drivers/acpi/hardware/hwacpi.c index de50fab2a91..6031ca13dd2 100644 --- a/drivers/acpi/hardware/hwacpi.c +++ b/drivers/acpi/hardware/hwacpi.c @@ -6,7 +6,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -49,41 +49,6 @@ ACPI_MODULE_NAME("hwacpi") /****************************************************************************** * - * FUNCTION: acpi_hw_initialize - * - * PARAMETERS: None - * - * RETURN: Status - * - * DESCRIPTION: Initialize and validate the various ACPI registers defined in - * the FADT. - * - ******************************************************************************/ -acpi_status acpi_hw_initialize(void) -{ - acpi_status status; - - ACPI_FUNCTION_TRACE(hw_initialize); - - /* We must have the ACPI tables by the time we get here */ - - if (!acpi_gbl_FADT) { - ACPI_ERROR((AE_INFO, "No FADT is present")); - return_ACPI_STATUS(AE_NO_ACPI_TABLES); - } - - /* Sanity check the FADT for valid values */ - - status = acpi_ut_validate_fadt(); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - return_ACPI_STATUS(AE_OK); -} - -/****************************************************************************** - * * FUNCTION: acpi_hw_set_mode * * PARAMETERS: Mode - SYS_MODE_ACPI or SYS_MODE_LEGACY @@ -93,7 +58,6 @@ acpi_status acpi_hw_initialize(void) * DESCRIPTION: Transitions the system into the requested mode. * ******************************************************************************/ - acpi_status acpi_hw_set_mode(u32 mode) { @@ -106,7 +70,7 @@ acpi_status acpi_hw_set_mode(u32 mode) * ACPI 2.0 clarified that if SMI_CMD in FADT is zero, * system does not support mode transition. */ - if (!acpi_gbl_FADT->smi_cmd) { + if (!acpi_gbl_FADT.smi_command) { ACPI_ERROR((AE_INFO, "No SMI_CMD in FADT, mode transition failed")); return_ACPI_STATUS(AE_NO_HARDWARE_RESPONSE); @@ -119,7 +83,7 @@ acpi_status acpi_hw_set_mode(u32 mode) * we make sure both the numbers are zero to determine these * transitions are not supported. */ - if (!acpi_gbl_FADT->acpi_enable && !acpi_gbl_FADT->acpi_disable) { + if (!acpi_gbl_FADT.acpi_enable && !acpi_gbl_FADT.acpi_disable) { ACPI_ERROR((AE_INFO, "No ACPI mode transition supported in this system (enable/disable both zero)")); return_ACPI_STATUS(AE_OK); @@ -130,9 +94,8 @@ acpi_status acpi_hw_set_mode(u32 mode) /* BIOS should have disabled ALL fixed and GP events */ - status = acpi_os_write_port(acpi_gbl_FADT->smi_cmd, - (u32) acpi_gbl_FADT->acpi_enable, - 8); + status = acpi_os_write_port(acpi_gbl_FADT.smi_command, + (u32) acpi_gbl_FADT.acpi_enable, 8); ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Attempting to enable ACPI mode\n")); break; @@ -143,8 +106,8 @@ acpi_status acpi_hw_set_mode(u32 mode) * BIOS should clear all fixed status bits and restore fixed event * enable bits to default */ - status = acpi_os_write_port(acpi_gbl_FADT->smi_cmd, - (u32) acpi_gbl_FADT->acpi_disable, + status = acpi_os_write_port(acpi_gbl_FADT.smi_command, + (u32) acpi_gbl_FADT.acpi_disable, 8); ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Attempting to enable Legacy (non-ACPI) mode\n")); @@ -204,12 +167,11 @@ u32 acpi_hw_get_mode(void) * ACPI 2.0 clarified that if SMI_CMD in FADT is zero, * system does not support mode transition. */ - if (!acpi_gbl_FADT->smi_cmd) { + if (!acpi_gbl_FADT.smi_command) { return_UINT32(ACPI_SYS_MODE_ACPI); } - status = - acpi_get_register(ACPI_BITREG_SCI_ENABLE, &value, ACPI_MTX_LOCK); + status = acpi_get_register(ACPI_BITREG_SCI_ENABLE, &value); if (ACPI_FAILURE(status)) { return_UINT32(ACPI_SYS_MODE_LEGACY); } diff --git a/drivers/acpi/hardware/hwgpe.c b/drivers/acpi/hardware/hwgpe.c index 608a3a60ee1..117a05cadaa 100644 --- a/drivers/acpi/hardware/hwgpe.c +++ b/drivers/acpi/hardware/hwgpe.c @@ -6,7 +6,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -105,14 +105,20 @@ acpi_hw_write_gpe_enable_reg(struct acpi_gpe_event_info *gpe_event_info) acpi_status acpi_hw_clear_gpe(struct acpi_gpe_event_info * gpe_event_info) { acpi_status status; + u8 register_bit; ACPI_FUNCTION_ENTRY(); + register_bit = (u8) + (1 << + (gpe_event_info->gpe_number - + gpe_event_info->register_info->base_gpe_number)); + /* * Write a one to the appropriate bit in the status register to * clear this GPE. */ - status = acpi_hw_low_level_write(8, gpe_event_info->register_bit, + status = acpi_hw_low_level_write(8, register_bit, &gpe_event_info->register_info-> status_address); @@ -155,7 +161,10 @@ acpi_hw_get_gpe_status(struct acpi_gpe_event_info * gpe_event_info, /* Get the register bitmask for this GPE */ - register_bit = gpe_event_info->register_bit; + register_bit = (u8) + (1 << + (gpe_event_info->gpe_number - + gpe_event_info->register_info->base_gpe_number)); /* GPE currently enabled? (enabled for runtime?) */ diff --git a/drivers/acpi/hardware/hwregs.c b/drivers/acpi/hardware/hwregs.c index fa58c1edce1..1d371fa663f 100644 --- a/drivers/acpi/hardware/hwregs.c +++ b/drivers/acpi/hardware/hwregs.c @@ -7,7 +7,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -54,17 +54,15 @@ ACPI_MODULE_NAME("hwregs") * * FUNCTION: acpi_hw_clear_acpi_status * - * PARAMETERS: Flags - Lock the hardware or not + * PARAMETERS: None * - * RETURN: none + * RETURN: None * * DESCRIPTION: Clears all fixed and general purpose status bits * THIS FUNCTION MUST BE CALLED WITH INTERRUPTS DISABLED * - * NOTE: TBD: Flags parameter is obsolete, to be removed - * ******************************************************************************/ -acpi_status acpi_hw_clear_acpi_status(u32 flags) +acpi_status acpi_hw_clear_acpi_status(void) { acpi_status status; acpi_cpu_flags lock_flags = 0; @@ -73,7 +71,7 @@ acpi_status acpi_hw_clear_acpi_status(u32 flags) ACPI_DEBUG_PRINT((ACPI_DB_IO, "About to write %04X to %04X\n", ACPI_BITMASK_ALL_FIXED_STATUS, - (u16) acpi_gbl_FADT->xpm1a_evt_blk.address)); + (u16) acpi_gbl_FADT.xpm1a_event_block.address)); lock_flags = acpi_os_acquire_lock(acpi_gbl_hardware_lock); @@ -86,10 +84,10 @@ acpi_status acpi_hw_clear_acpi_status(u32 flags) /* Clear the fixed events */ - if (acpi_gbl_FADT->xpm1b_evt_blk.address) { + if (acpi_gbl_FADT.xpm1b_event_block.address) { status = acpi_hw_low_level_write(16, ACPI_BITMASK_ALL_FIXED_STATUS, - &acpi_gbl_FADT->xpm1b_evt_blk); + &acpi_gbl_FADT.xpm1b_event_block); if (ACPI_FAILURE(status)) { goto unlock_and_exit; } @@ -253,18 +251,15 @@ struct acpi_bit_register_info *acpi_hw_get_bit_register_info(u32 register_id) * * PARAMETERS: register_id - ID of ACPI bit_register to access * return_value - Value that was read from the register - * Flags - Lock the hardware or not * * RETURN: Status and the value read from specified Register. Value * returned is normalized to bit0 (is shifted all the way right) * * DESCRIPTION: ACPI bit_register read function. * - * NOTE: TBD: Flags parameter is obsolete, to be removed - * ******************************************************************************/ -acpi_status acpi_get_register(u32 register_id, u32 * return_value, u32 flags) +acpi_status acpi_get_register(u32 register_id, u32 * return_value) { u32 register_value = 0; struct acpi_bit_register_info *bit_reg_info; @@ -312,16 +307,13 @@ ACPI_EXPORT_SYMBOL(acpi_get_register) * PARAMETERS: register_id - ID of ACPI bit_register to access * Value - (only used on write) value to write to the * Register, NOT pre-normalized to the bit pos - * Flags - Lock the hardware or not * * RETURN: Status * * DESCRIPTION: ACPI Bit Register write function. * - * NOTE: TBD: Flags parameter is obsolete, to be removed - * ******************************************************************************/ -acpi_status acpi_set_register(u32 register_id, u32 value, u32 flags) +acpi_status acpi_set_register(u32 register_id, u32 value) { u32 register_value = 0; struct acpi_bit_register_info *bit_reg_info; @@ -422,8 +414,9 @@ acpi_status acpi_set_register(u32 register_id, u32 value, u32 flags) ACPI_DEBUG_PRINT((ACPI_DB_IO, "PM2 control: Read %X from %8.8X%8.8X\n", register_value, - ACPI_FORMAT_UINT64(acpi_gbl_FADT-> - xpm2_cnt_blk.address))); + ACPI_FORMAT_UINT64(acpi_gbl_FADT. + xpm2_control_block. + address))); ACPI_REGISTER_INSERT_VALUE(register_value, bit_reg_info->bit_position, @@ -433,8 +426,9 @@ acpi_status acpi_set_register(u32 register_id, u32 value, u32 flags) ACPI_DEBUG_PRINT((ACPI_DB_IO, "About to write %4.4X to %8.8X%8.8X\n", register_value, - ACPI_FORMAT_UINT64(acpi_gbl_FADT-> - xpm2_cnt_blk.address))); + ACPI_FORMAT_UINT64(acpi_gbl_FADT. + xpm2_control_block. + address))); status = acpi_hw_register_write(ACPI_MTX_DO_NOT_LOCK, ACPI_REGISTER_PM2_CONTROL, @@ -495,7 +489,7 @@ acpi_hw_register_read(u8 use_lock, u32 register_id, u32 * return_value) status = acpi_hw_low_level_read(16, &value1, - &acpi_gbl_FADT->xpm1a_evt_blk); + &acpi_gbl_FADT.xpm1a_event_block); if (ACPI_FAILURE(status)) { goto unlock_and_exit; } @@ -504,7 +498,7 @@ acpi_hw_register_read(u8 use_lock, u32 register_id, u32 * return_value) status = acpi_hw_low_level_read(16, &value2, - &acpi_gbl_FADT->xpm1b_evt_blk); + &acpi_gbl_FADT.xpm1b_event_block); value1 |= value2; break; @@ -527,14 +521,14 @@ acpi_hw_register_read(u8 use_lock, u32 register_id, u32 * return_value) status = acpi_hw_low_level_read(16, &value1, - &acpi_gbl_FADT->xpm1a_cnt_blk); + &acpi_gbl_FADT.xpm1a_control_block); if (ACPI_FAILURE(status)) { goto unlock_and_exit; } status = acpi_hw_low_level_read(16, &value2, - &acpi_gbl_FADT->xpm1b_cnt_blk); + &acpi_gbl_FADT.xpm1b_control_block); value1 |= value2; break; @@ -542,19 +536,20 @@ acpi_hw_register_read(u8 use_lock, u32 register_id, u32 * return_value) status = acpi_hw_low_level_read(8, &value1, - &acpi_gbl_FADT->xpm2_cnt_blk); + &acpi_gbl_FADT.xpm2_control_block); break; case ACPI_REGISTER_PM_TIMER: /* 32-bit access */ status = acpi_hw_low_level_read(32, &value1, - &acpi_gbl_FADT->xpm_tmr_blk); + &acpi_gbl_FADT.xpm_timer_block); break; case ACPI_REGISTER_SMI_COMMAND_BLOCK: /* 8-bit access */ - status = acpi_os_read_port(acpi_gbl_FADT->smi_cmd, &value1, 8); + status = + acpi_os_read_port(acpi_gbl_FADT.smi_command, &value1, 8); break; default: @@ -635,7 +630,7 @@ acpi_status acpi_hw_register_write(u8 use_lock, u32 register_id, u32 value) status = acpi_hw_low_level_write(16, value, - &acpi_gbl_FADT->xpm1a_evt_blk); + &acpi_gbl_FADT.xpm1a_event_block); if (ACPI_FAILURE(status)) { goto unlock_and_exit; } @@ -644,7 +639,7 @@ acpi_status acpi_hw_register_write(u8 use_lock, u32 register_id, u32 value) status = acpi_hw_low_level_write(16, value, - &acpi_gbl_FADT->xpm1b_evt_blk); + &acpi_gbl_FADT.xpm1b_event_block); break; case ACPI_REGISTER_PM1_ENABLE: /* 16-bit access */ @@ -682,49 +677,50 @@ acpi_status acpi_hw_register_write(u8 use_lock, u32 register_id, u32 value) status = acpi_hw_low_level_write(16, value, - &acpi_gbl_FADT->xpm1a_cnt_blk); + &acpi_gbl_FADT.xpm1a_control_block); if (ACPI_FAILURE(status)) { goto unlock_and_exit; } status = acpi_hw_low_level_write(16, value, - &acpi_gbl_FADT->xpm1b_cnt_blk); + &acpi_gbl_FADT.xpm1b_control_block); break; case ACPI_REGISTER_PM1A_CONTROL: /* 16-bit access */ status = acpi_hw_low_level_write(16, value, - &acpi_gbl_FADT->xpm1a_cnt_blk); + &acpi_gbl_FADT.xpm1a_control_block); break; case ACPI_REGISTER_PM1B_CONTROL: /* 16-bit access */ status = acpi_hw_low_level_write(16, value, - &acpi_gbl_FADT->xpm1b_cnt_blk); + &acpi_gbl_FADT.xpm1b_control_block); break; case ACPI_REGISTER_PM2_CONTROL: /* 8-bit access */ status = acpi_hw_low_level_write(8, value, - &acpi_gbl_FADT->xpm2_cnt_blk); + &acpi_gbl_FADT.xpm2_control_block); break; case ACPI_REGISTER_PM_TIMER: /* 32-bit access */ status = acpi_hw_low_level_write(32, value, - &acpi_gbl_FADT->xpm_tmr_blk); + &acpi_gbl_FADT.xpm_timer_block); break; case ACPI_REGISTER_SMI_COMMAND_BLOCK: /* 8-bit access */ /* SMI_CMD is currently always in IO space */ - status = acpi_os_write_port(acpi_gbl_FADT->smi_cmd, value, 8); + status = + acpi_os_write_port(acpi_gbl_FADT.smi_command, value, 8); break; default: @@ -783,7 +779,7 @@ acpi_hw_low_level_read(u32 width, u32 * value, struct acpi_generic_address *reg) * Two address spaces supported: Memory or IO. * PCI_Config is not supported here because the GAS struct is insufficient */ - switch (reg->address_space_id) { + switch (reg->space_id) { case ACPI_ADR_SPACE_SYSTEM_MEMORY: status = acpi_os_read_memory((acpi_physical_address) address, @@ -792,22 +788,20 @@ acpi_hw_low_level_read(u32 width, u32 * value, struct acpi_generic_address *reg) case ACPI_ADR_SPACE_SYSTEM_IO: - status = acpi_os_read_port((acpi_io_address) address, - value, width); + status = + acpi_os_read_port((acpi_io_address) address, value, width); break; default: ACPI_ERROR((AE_INFO, - "Unsupported address space: %X", - reg->address_space_id)); + "Unsupported address space: %X", reg->space_id)); return (AE_BAD_PARAMETER); } ACPI_DEBUG_PRINT((ACPI_DB_IO, "Read: %8.8X width %2d from %8.8X%8.8X (%s)\n", - *value, width, - ACPI_FORMAT_UINT64(address), - acpi_ut_get_region_name(reg->address_space_id))); + *value, width, ACPI_FORMAT_UINT64(address), + acpi_ut_get_region_name(reg->space_id))); return (status); } @@ -854,7 +848,7 @@ acpi_hw_low_level_write(u32 width, u32 value, struct acpi_generic_address * reg) * Two address spaces supported: Memory or IO. * PCI_Config is not supported here because the GAS struct is insufficient */ - switch (reg->address_space_id) { + switch (reg->space_id) { case ACPI_ADR_SPACE_SYSTEM_MEMORY: status = acpi_os_write_memory((acpi_physical_address) address, @@ -863,22 +857,20 @@ acpi_hw_low_level_write(u32 width, u32 value, struct acpi_generic_address * reg) case ACPI_ADR_SPACE_SYSTEM_IO: - status = acpi_os_write_port((acpi_io_address) address, - value, width); + status = acpi_os_write_port((acpi_io_address) address, value, + width); break; default: ACPI_ERROR((AE_INFO, - "Unsupported address space: %X", - reg->address_space_id)); + "Unsupported address space: %X", reg->space_id)); return (AE_BAD_PARAMETER); } ACPI_DEBUG_PRINT((ACPI_DB_IO, "Wrote: %8.8X width %2d to %8.8X%8.8X (%s)\n", - value, width, - ACPI_FORMAT_UINT64(address), - acpi_ut_get_region_name(reg->address_space_id))); + value, width, ACPI_FORMAT_UINT64(address), + acpi_ut_get_region_name(reg->space_id))); return (status); } diff --git a/drivers/acpi/hardware/hwsleep.c b/drivers/acpi/hardware/hwsleep.c index 8bb43cae60c..57901ca3ade 100644 --- a/drivers/acpi/hardware/hwsleep.c +++ b/drivers/acpi/hardware/hwsleep.c @@ -6,7 +6,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -43,6 +43,7 @@ */ #include <acpi/acpi.h> +#include <acpi/actables.h> #define _COMPONENT ACPI_HARDWARE ACPI_MODULE_NAME("hwsleep") @@ -62,17 +63,32 @@ ACPI_MODULE_NAME("hwsleep") acpi_status acpi_set_firmware_waking_vector(acpi_physical_address physical_address) { + struct acpi_table_facs *facs; + acpi_status status; ACPI_FUNCTION_TRACE(acpi_set_firmware_waking_vector); + /* Get the FACS */ + + status = + acpi_get_table_by_index(ACPI_TABLE_INDEX_FACS, + (struct acpi_table_header **)&facs); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + /* Set the vector */ - if (acpi_gbl_common_fACS.vector_width == 32) { - *(ACPI_CAST_PTR - (u32, acpi_gbl_common_fACS.firmware_waking_vector)) - = (u32) physical_address; + if ((facs->length < 32) || (!(facs->xfirmware_waking_vector))) { + /* + * ACPI 1.0 FACS or short table or optional X_ field is zero + */ + facs->firmware_waking_vector = (u32) physical_address; } else { - *acpi_gbl_common_fACS.firmware_waking_vector = physical_address; + /* + * ACPI 2.0 FACS with valid X_ field + */ + facs->xfirmware_waking_vector = physical_address; } return_ACPI_STATUS(AE_OK); @@ -97,6 +113,8 @@ ACPI_EXPORT_SYMBOL(acpi_set_firmware_waking_vector) acpi_status acpi_get_firmware_waking_vector(acpi_physical_address * physical_address) { + struct acpi_table_facs *facs; + acpi_status status; ACPI_FUNCTION_TRACE(acpi_get_firmware_waking_vector); @@ -104,16 +122,29 @@ acpi_get_firmware_waking_vector(acpi_physical_address * physical_address) return_ACPI_STATUS(AE_BAD_PARAMETER); } + /* Get the FACS */ + + status = + acpi_get_table_by_index(ACPI_TABLE_INDEX_FACS, + (struct acpi_table_header **)&facs); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + /* Get the vector */ - if (acpi_gbl_common_fACS.vector_width == 32) { - *physical_address = (acpi_physical_address) - * - (ACPI_CAST_PTR - (u32, acpi_gbl_common_fACS.firmware_waking_vector)); + if ((facs->length < 32) || (!(facs->xfirmware_waking_vector))) { + /* + * ACPI 1.0 FACS or short table or optional X_ field is zero + */ + *physical_address = + (acpi_physical_address) facs->firmware_waking_vector; } else { + /* + * ACPI 2.0 FACS with valid X_ field + */ *physical_address = - *acpi_gbl_common_fACS.firmware_waking_vector; + (acpi_physical_address) facs->xfirmware_waking_vector; } return_ACPI_STATUS(AE_OK); @@ -246,15 +277,14 @@ acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state) /* Clear wake status */ - status = - acpi_set_register(ACPI_BITREG_WAKE_STATUS, 1, ACPI_MTX_DO_NOT_LOCK); + status = acpi_set_register(ACPI_BITREG_WAKE_STATUS, 1); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } /* Clear all fixed and general purpose status bits */ - status = acpi_hw_clear_acpi_status(ACPI_MTX_DO_NOT_LOCK); + status = acpi_hw_clear_acpi_status(); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } @@ -367,8 +397,7 @@ acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state) /* Wait until we enter sleep state */ do { - status = acpi_get_register(ACPI_BITREG_WAKE_STATUS, &in_value, - ACPI_MTX_DO_NOT_LOCK); + status = acpi_get_register(ACPI_BITREG_WAKE_STATUS, &in_value); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } @@ -401,13 +430,12 @@ acpi_status asmlinkage acpi_enter_sleep_state_s4bios(void) ACPI_FUNCTION_TRACE(acpi_enter_sleep_state_s4bios); - status = - acpi_set_register(ACPI_BITREG_WAKE_STATUS, 1, ACPI_MTX_DO_NOT_LOCK); + status = acpi_set_register(ACPI_BITREG_WAKE_STATUS, 1); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } - status = acpi_hw_clear_acpi_status(ACPI_MTX_DO_NOT_LOCK); + status = acpi_hw_clear_acpi_status(); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } @@ -429,13 +457,12 @@ acpi_status asmlinkage acpi_enter_sleep_state_s4bios(void) ACPI_FLUSH_CPU_CACHE(); - status = acpi_os_write_port(acpi_gbl_FADT->smi_cmd, - (u32) acpi_gbl_FADT->S4bios_req, 8); + status = acpi_os_write_port(acpi_gbl_FADT.smi_command, + (u32) acpi_gbl_FADT.S4bios_request, 8); do { acpi_os_stall(1000); - status = acpi_get_register(ACPI_BITREG_WAKE_STATUS, &in_value, - ACPI_MTX_DO_NOT_LOCK); + status = acpi_get_register(ACPI_BITREG_WAKE_STATUS, &in_value); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } @@ -568,13 +595,11 @@ acpi_status acpi_leave_sleep_state(u8 sleep_state) (void) acpi_set_register(acpi_gbl_fixed_event_info - [ACPI_EVENT_POWER_BUTTON].enable_register_id, 1, - ACPI_MTX_DO_NOT_LOCK); + [ACPI_EVENT_POWER_BUTTON].enable_register_id, 1); (void) acpi_set_register(acpi_gbl_fixed_event_info - [ACPI_EVENT_POWER_BUTTON].status_register_id, 1, - ACPI_MTX_DO_NOT_LOCK); + [ACPI_EVENT_POWER_BUTTON].status_register_id, 1); arg.integer.value = ACPI_SST_WORKING; status = acpi_evaluate_object(NULL, METHOD_NAME__SST, &arg_list, NULL); diff --git a/drivers/acpi/hardware/hwtimer.c b/drivers/acpi/hardware/hwtimer.c index c4ec47c939f..c32eab696ac 100644 --- a/drivers/acpi/hardware/hwtimer.c +++ b/drivers/acpi/hardware/hwtimer.c @@ -6,7 +6,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -66,7 +66,7 @@ acpi_status acpi_get_timer_resolution(u32 * resolution) return_ACPI_STATUS(AE_BAD_PARAMETER); } - if (acpi_gbl_FADT->tmr_val_ext == 0) { + if ((acpi_gbl_FADT.flags & ACPI_FADT_32BIT_TIMER) == 0) { *resolution = 24; } else { *resolution = 32; @@ -98,7 +98,8 @@ acpi_status acpi_get_timer(u32 * ticks) return_ACPI_STATUS(AE_BAD_PARAMETER); } - status = acpi_hw_low_level_read(32, ticks, &acpi_gbl_FADT->xpm_tmr_blk); + status = + acpi_hw_low_level_read(32, ticks, &acpi_gbl_FADT.xpm_timer_block); return_ACPI_STATUS(status); } @@ -153,7 +154,7 @@ acpi_get_timer_duration(u32 start_ticks, u32 end_ticks, u32 * time_elapsed) if (start_ticks < end_ticks) { delta_ticks = end_ticks - start_ticks; } else if (start_ticks > end_ticks) { - if (acpi_gbl_FADT->tmr_val_ext == 0) { + if ((acpi_gbl_FADT.flags & ACPI_FADT_32BIT_TIMER) == 0) { /* 24-bit Timer */ diff --git a/drivers/acpi/motherboard.c b/drivers/acpi/motherboard.c deleted file mode 100644 index 2e17ec75af0..00000000000 --- a/drivers/acpi/motherboard.c +++ /dev/null @@ -1,191 +0,0 @@ -/* - * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or (at - * your option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - * - * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - */ - -/* Purpose: Prevent PCMCIA cards from using motherboard resources. */ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/types.h> -#include <linux/pci.h> -#include <linux/ioport.h> -#include <asm/io.h> - -#include <acpi/acpi_bus.h> -#include <acpi/acpi_drivers.h> - -#define _COMPONENT ACPI_SYSTEM_COMPONENT -ACPI_MODULE_NAME("acpi_motherboard") - -/* Dell use PNP0C01 instead of PNP0C02 */ -#define ACPI_MB_HID1 "PNP0C01" -#define ACPI_MB_HID2 "PNP0C02" -/** - * Doesn't care about legacy IO ports, only IO ports beyond 0x1000 are reserved - * Doesn't care about the failure of 'request_region', since other may reserve - * the io ports as well - */ -#define IS_RESERVED_ADDR(base, len) \ - (((len) > 0) && ((base) > 0) && ((base) + (len) < IO_SPACE_LIMIT) \ - && ((base) + (len) > PCIBIOS_MIN_IO)) -/* - * Clearing the flag (IORESOURCE_BUSY) allows drivers to use - * the io ports if they really know they can use it, while - * still preventing hotplug PCI devices from using it. - */ - -/* - * When CONFIG_PNP is enabled, pnp/system.c binds to PNP0C01 - * and PNP0C02, redundant with acpi_reserve_io_ranges(). - * But acpi_reserve_io_ranges() is necessary for !CONFIG_PNP. - */ -static acpi_status acpi_reserve_io_ranges(struct acpi_resource *res, void *data) -{ - struct resource *requested_res = NULL; - - - if (res->type == ACPI_RESOURCE_TYPE_IO) { - struct acpi_resource_io *io_res = &res->data.io; - - if (io_res->minimum != io_res->maximum) - return AE_OK; - if (IS_RESERVED_ADDR - (io_res->minimum, io_res->address_length)) { - ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "Motherboard resources 0x%08x - 0x%08x\n", - io_res->minimum, - io_res->minimum + - io_res->address_length)); - requested_res = - request_region(io_res->minimum, - io_res->address_length, "motherboard"); - } - } else if (res->type == ACPI_RESOURCE_TYPE_FIXED_IO) { - struct acpi_resource_fixed_io *fixed_io_res = - &res->data.fixed_io; - - if (IS_RESERVED_ADDR - (fixed_io_res->address, fixed_io_res->address_length)) { - ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "Motherboard resources 0x%08x - 0x%08x\n", - fixed_io_res->address, - fixed_io_res->address + - fixed_io_res->address_length)); - requested_res = - request_region(fixed_io_res->address, - fixed_io_res->address_length, - "motherboard"); - } - } else { - /* Memory mapped IO? */ - } - - if (requested_res) - requested_res->flags &= ~IORESOURCE_BUSY; - return AE_OK; -} - -static int acpi_motherboard_add(struct acpi_device *device) -{ - if (!device) - return -EINVAL; - acpi_walk_resources(device->handle, METHOD_NAME__CRS, - acpi_reserve_io_ranges, NULL); - - return 0; -} - -static struct acpi_driver acpi_motherboard_driver1 = { - .name = "motherboard", - .class = "", - .ids = ACPI_MB_HID1, - .ops = { - .add = acpi_motherboard_add, - }, -}; - -static struct acpi_driver acpi_motherboard_driver2 = { - .name = "motherboard", - .class = "", - .ids = ACPI_MB_HID2, - .ops = { - .add = acpi_motherboard_add, - }, -}; - -static void __init acpi_request_region (struct acpi_generic_address *addr, - unsigned int length, char *desc) -{ - if (!addr->address || !length) - return; - - if (addr->address_space_id == ACPI_ADR_SPACE_SYSTEM_IO) - request_region(addr->address, length, desc); - else if (addr->address_space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) - request_mem_region(addr->address, length, desc); -} - -static void __init acpi_reserve_resources(void) -{ - acpi_request_region(&acpi_gbl_FADT->xpm1a_evt_blk, - acpi_gbl_FADT->pm1_evt_len, "ACPI PM1a_EVT_BLK"); - - acpi_request_region(&acpi_gbl_FADT->xpm1b_evt_blk, - acpi_gbl_FADT->pm1_evt_len, "ACPI PM1b_EVT_BLK"); - - acpi_request_region(&acpi_gbl_FADT->xpm1a_cnt_blk, - acpi_gbl_FADT->pm1_cnt_len, "ACPI PM1a_CNT_BLK"); - - acpi_request_region(&acpi_gbl_FADT->xpm1b_cnt_blk, - acpi_gbl_FADT->pm1_cnt_len, "ACPI PM1b_CNT_BLK"); - - if (acpi_gbl_FADT->pm_tm_len == 4) - acpi_request_region(&acpi_gbl_FADT->xpm_tmr_blk, 4, "ACPI PM_TMR"); - - acpi_request_region(&acpi_gbl_FADT->xpm2_cnt_blk, - acpi_gbl_FADT->pm2_cnt_len, "ACPI PM2_CNT_BLK"); - - /* Length of GPE blocks must be a non-negative multiple of 2 */ - - if (!(acpi_gbl_FADT->gpe0_blk_len & 0x1)) - acpi_request_region(&acpi_gbl_FADT->xgpe0_blk, - acpi_gbl_FADT->gpe0_blk_len, "ACPI GPE0_BLK"); - - if (!(acpi_gbl_FADT->gpe1_blk_len & 0x1)) - acpi_request_region(&acpi_gbl_FADT->xgpe1_blk, - acpi_gbl_FADT->gpe1_blk_len, "ACPI GPE1_BLK"); -} - -static int __init acpi_motherboard_init(void) -{ - acpi_bus_register_driver(&acpi_motherboard_driver1); - acpi_bus_register_driver(&acpi_motherboard_driver2); - /* - * Guarantee motherboard IO reservation first - * This module must run after scan.c - */ - if (!acpi_disabled) - acpi_reserve_resources(); - return 0; -} - -/** - * Reserve motherboard resources after PCI claim BARs, - * but before PCI assign resources for uninitialized PCI devices - */ -fs_initcall(acpi_motherboard_init); diff --git a/drivers/acpi/namespace/nsaccess.c b/drivers/acpi/namespace/nsaccess.c index c1c6c236df9..57faf598bad 100644 --- a/drivers/acpi/namespace/nsaccess.c +++ b/drivers/acpi/namespace/nsaccess.c @@ -5,7 +5,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -195,31 +195,27 @@ acpi_status acpi_ns_root_initialize(void) obj_desc->mutex.sync_level = (u8) (ACPI_TO_INTEGER(val) - 1); - if (ACPI_STRCMP(init_val->name, "_GL_") == 0) { + /* Create a mutex */ - /* Create a counting semaphore for the global lock */ + status = + acpi_os_create_mutex(&obj_desc->mutex. + os_mutex); + if (ACPI_FAILURE(status)) { + acpi_ut_remove_reference(obj_desc); + goto unlock_and_exit; + } - status = - acpi_os_create_semaphore - (ACPI_NO_UNIT_LIMIT, 1, - &acpi_gbl_global_lock_semaphore); - if (ACPI_FAILURE(status)) { - acpi_ut_remove_reference - (obj_desc); - goto unlock_and_exit; - } + /* Special case for ACPI Global Lock */ - /* Mark this mutex as very special */ + if (ACPI_STRCMP(init_val->name, "_GL_") == 0) { + acpi_gbl_global_lock_mutex = + obj_desc->mutex.os_mutex; - obj_desc->mutex.os_mutex = - ACPI_GLOBAL_LOCK; - } else { - /* Create a mutex */ + /* Create additional counting semaphore for global lock */ status = - acpi_os_create_mutex(&obj_desc-> - mutex. - os_mutex); + acpi_os_create_semaphore(1, 0, + &acpi_gbl_global_lock_semaphore); if (ACPI_FAILURE(status)) { acpi_ut_remove_reference (obj_desc); diff --git a/drivers/acpi/namespace/nsalloc.c b/drivers/acpi/namespace/nsalloc.c index 55b407aae26..1d693d8ad2d 100644 --- a/drivers/acpi/namespace/nsalloc.c +++ b/drivers/acpi/namespace/nsalloc.c @@ -5,7 +5,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -61,6 +61,9 @@ ACPI_MODULE_NAME("nsalloc") struct acpi_namespace_node *acpi_ns_create_node(u32 name) { struct acpi_namespace_node *node; +#ifdef ACPI_DBG_TRACK_ALLOCATIONS + u32 temp; +#endif ACPI_FUNCTION_TRACE(ns_create_node); @@ -71,6 +74,15 @@ struct acpi_namespace_node *acpi_ns_create_node(u32 name) ACPI_MEM_TRACKING(acpi_gbl_ns_node_list->total_allocated++); +#ifdef ACPI_DBG_TRACK_ALLOCATIONS + temp = + acpi_gbl_ns_node_list->total_allocated - + acpi_gbl_ns_node_list->total_freed; + if (temp > acpi_gbl_ns_node_list->max_occupied) { + acpi_gbl_ns_node_list->max_occupied = temp; + } +#endif + node->name.integer = name; ACPI_SET_DESCRIPTOR_TYPE(node, ACPI_DESC_TYPE_NAMED); return_PTR(node); diff --git a/drivers/acpi/namespace/nsdump.c b/drivers/acpi/namespace/nsdump.c index d72df66aa96..1fc4f86676e 100644 --- a/drivers/acpi/namespace/nsdump.c +++ b/drivers/acpi/namespace/nsdump.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -205,7 +205,7 @@ acpi_ns_dump_one_object(acpi_handle obj_handle, if (!acpi_ut_valid_acpi_name(this_node->name.integer)) { this_node->name.integer = - acpi_ut_repair_name(this_node->name.integer); + acpi_ut_repair_name(this_node->name.ascii); ACPI_WARNING((AE_INFO, "Invalid ACPI Name %08X", this_node->name.integer)); @@ -226,6 +226,12 @@ acpi_ns_dump_one_object(acpi_handle obj_handle, obj_desc = acpi_ns_get_attached_object(this_node); acpi_dbg_level = dbg_level; + /* Temp nodes are those nodes created by a control method */ + + if (this_node->flags & ANOBJ_TEMPORARY) { + acpi_os_printf("(T) "); + } + switch (info->display_type & ACPI_DISPLAY_MASK) { case ACPI_DISPLAY_SUMMARY: @@ -623,7 +629,8 @@ acpi_ns_dump_objects(acpi_object_type type, info.display_type = display_type; (void)acpi_ns_walk_namespace(type, start_handle, max_depth, - ACPI_NS_WALK_NO_UNLOCK, + ACPI_NS_WALK_NO_UNLOCK | + ACPI_NS_WALK_TEMP_NODES, acpi_ns_dump_one_object, (void *)&info, NULL); } diff --git a/drivers/acpi/namespace/nsdumpdv.c b/drivers/acpi/namespace/nsdumpdv.c index c6bf5d30fca..5097e167939 100644 --- a/drivers/acpi/namespace/nsdumpdv.c +++ b/drivers/acpi/namespace/nsdumpdv.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/namespace/nseval.c b/drivers/acpi/namespace/nseval.c index 4b0a4a8c984..aa6370c67ec 100644 --- a/drivers/acpi/namespace/nseval.c +++ b/drivers/acpi/namespace/nseval.c @@ -5,7 +5,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -154,11 +154,7 @@ acpi_status acpi_ns_evaluate(struct acpi_evaluate_info *info) * Execute the method via the interpreter. The interpreter is locked * here before calling into the AML parser */ - status = acpi_ex_enter_interpreter(); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - + acpi_ex_enter_interpreter(); status = acpi_ps_execute_method(info); acpi_ex_exit_interpreter(); } else { @@ -182,10 +178,7 @@ acpi_status acpi_ns_evaluate(struct acpi_evaluate_info *info) * resolution, we must lock it because we could access an opregion. * The opregion access code assumes that the interpreter is locked. */ - status = acpi_ex_enter_interpreter(); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } + acpi_ex_enter_interpreter(); /* Function has a strange interface */ diff --git a/drivers/acpi/namespace/nsinit.c b/drivers/acpi/namespace/nsinit.c index aec8488c001..326af8fc0ce 100644 --- a/drivers/acpi/namespace/nsinit.c +++ b/drivers/acpi/namespace/nsinit.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -213,7 +213,7 @@ acpi_ns_init_one_object(acpi_handle obj_handle, u32 level, void *context, void **return_value) { acpi_object_type type; - acpi_status status; + acpi_status status = AE_OK; struct acpi_init_walk_info *info = (struct acpi_init_walk_info *)context; struct acpi_namespace_node *node = @@ -267,10 +267,7 @@ acpi_ns_init_one_object(acpi_handle obj_handle, /* * Must lock the interpreter before executing AML code */ - status = acpi_ex_enter_interpreter(); - if (ACPI_FAILURE(status)) { - return (status); - } + acpi_ex_enter_interpreter(); /* * Each of these types can contain executable AML code within the diff --git a/drivers/acpi/namespace/nsload.c b/drivers/acpi/namespace/nsload.c index fe75d888e18..d4f9654fd20 100644 --- a/drivers/acpi/namespace/nsload.c +++ b/drivers/acpi/namespace/nsload.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -44,13 +44,12 @@ #include <acpi/acpi.h> #include <acpi/acnamesp.h> #include <acpi/acdispat.h> +#include <acpi/actables.h> #define _COMPONENT ACPI_NAMESPACE ACPI_MODULE_NAME("nsload") /* Local prototypes */ -static acpi_status acpi_ns_load_table_by_type(acpi_table_type table_type); - #ifdef ACPI_FUTURE_IMPLEMENTATION acpi_status acpi_ns_unload_namespace(acpi_handle handle); @@ -62,7 +61,7 @@ static acpi_status acpi_ns_delete_subtree(acpi_handle start_handle); * * FUNCTION: acpi_ns_load_table * - * PARAMETERS: table_desc - Descriptor for table to be loaded + * PARAMETERS: table_index - Index for table to be loaded * Node - Owning NS node * * RETURN: Status @@ -72,42 +71,13 @@ static acpi_status acpi_ns_delete_subtree(acpi_handle start_handle); ******************************************************************************/ acpi_status -acpi_ns_load_table(struct acpi_table_desc *table_desc, +acpi_ns_load_table(acpi_native_uint table_index, struct acpi_namespace_node *node) { acpi_status status; ACPI_FUNCTION_TRACE(ns_load_table); - /* Check if table contains valid AML (must be DSDT, PSDT, SSDT, etc.) */ - - if (! - (acpi_gbl_table_data[table_desc->type]. - flags & ACPI_TABLE_EXECUTABLE)) { - - /* Just ignore this table */ - - return_ACPI_STATUS(AE_OK); - } - - /* Check validity of the AML start and length */ - - if (!table_desc->aml_start) { - ACPI_ERROR((AE_INFO, "Null AML pointer")); - return_ACPI_STATUS(AE_BAD_PARAMETER); - } - - ACPI_DEBUG_PRINT((ACPI_DB_INFO, "AML block at %p\n", - table_desc->aml_start)); - - /* Ignore table if there is no AML contained within */ - - if (!table_desc->aml_length) { - ACPI_WARNING((AE_INFO, "Zero-length AML block in table [%4.4s]", - table_desc->pointer->signature)); - return_ACPI_STATUS(AE_OK); - } - /* * Parse the table and load the namespace with all named * objects found within. Control methods are NOT parsed @@ -117,15 +87,34 @@ acpi_ns_load_table(struct acpi_table_desc *table_desc, * to another control method, we can't continue parsing * because we don't know how many arguments to parse next! */ + status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + + /* If table already loaded into namespace, just return */ + + if (acpi_tb_is_table_loaded(table_index)) { + status = AE_ALREADY_EXISTS; + goto unlock; + } + ACPI_DEBUG_PRINT((ACPI_DB_INFO, "**** Loading table into namespace ****\n")); - status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); + status = acpi_tb_allocate_owner_id(table_index); if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); + goto unlock; + } + + status = acpi_ns_parse_table(table_index, node->child); + if (ACPI_SUCCESS(status)) { + acpi_tb_set_table_loaded_flag(table_index, TRUE); + } else { + acpi_tb_release_owner_id(table_index); } - status = acpi_ns_parse_table(table_desc, node->child); + unlock: (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); if (ACPI_FAILURE(status)) { @@ -141,7 +130,7 @@ acpi_ns_load_table(struct acpi_table_desc *table_desc, ACPI_DEBUG_PRINT((ACPI_DB_INFO, "**** Begin Table Method Parsing and Object Initialization ****\n")); - status = acpi_ds_initialize_objects(table_desc, node); + status = acpi_ds_initialize_objects(table_index, node); ACPI_DEBUG_PRINT((ACPI_DB_INFO, "**** Completed Table Method Parsing and Object Initialization ****\n")); @@ -149,99 +138,7 @@ acpi_ns_load_table(struct acpi_table_desc *table_desc, return_ACPI_STATUS(status); } -/******************************************************************************* - * - * FUNCTION: acpi_ns_load_table_by_type - * - * PARAMETERS: table_type - Id of the table type to load - * - * RETURN: Status - * - * DESCRIPTION: Load an ACPI table or tables into the namespace. All tables - * of the given type are loaded. The mechanism allows this - * routine to be called repeatedly. - * - ******************************************************************************/ - -static acpi_status acpi_ns_load_table_by_type(acpi_table_type table_type) -{ - u32 i; - acpi_status status; - struct acpi_table_desc *table_desc; - - ACPI_FUNCTION_TRACE(ns_load_table_by_type); - - status = acpi_ut_acquire_mutex(ACPI_MTX_TABLES); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - /* - * Table types supported are: - * DSDT (one), SSDT/PSDT (multiple) - */ - switch (table_type) { - case ACPI_TABLE_ID_DSDT: - - ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Namespace load: DSDT\n")); - - table_desc = acpi_gbl_table_lists[ACPI_TABLE_ID_DSDT].next; - - /* If table already loaded into namespace, just return */ - - if (table_desc->loaded_into_namespace) { - goto unlock_and_exit; - } - - /* Now load the single DSDT */ - - status = acpi_ns_load_table(table_desc, acpi_gbl_root_node); - if (ACPI_SUCCESS(status)) { - table_desc->loaded_into_namespace = TRUE; - } - break; - - case ACPI_TABLE_ID_SSDT: - case ACPI_TABLE_ID_PSDT: - - ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "Namespace load: %d SSDT or PSDTs\n", - acpi_gbl_table_lists[table_type].count)); - - /* - * Traverse list of SSDT or PSDT tables - */ - table_desc = acpi_gbl_table_lists[table_type].next; - for (i = 0; i < acpi_gbl_table_lists[table_type].count; i++) { - /* - * Only attempt to load table into namespace if it is not - * already loaded! - */ - if (!table_desc->loaded_into_namespace) { - status = - acpi_ns_load_table(table_desc, - acpi_gbl_root_node); - if (ACPI_FAILURE(status)) { - break; - } - - table_desc->loaded_into_namespace = TRUE; - } - - table_desc = table_desc->next; - } - break; - - default: - status = AE_SUPPORT; - break; - } - - unlock_and_exit: - (void)acpi_ut_release_mutex(ACPI_MTX_TABLES); - return_ACPI_STATUS(status); -} - +#ifdef ACPI_OBSOLETE_FUNCTIONS /******************************************************************************* * * FUNCTION: acpi_load_namespace @@ -288,6 +185,7 @@ acpi_status acpi_ns_load_namespace(void) return_ACPI_STATUS(status); } +#endif #ifdef ACPI_FUTURE_IMPLEMENTATION /******************************************************************************* diff --git a/drivers/acpi/namespace/nsnames.c b/drivers/acpi/namespace/nsnames.c index 97b8332c974..cbd94af08cc 100644 --- a/drivers/acpi/namespace/nsnames.c +++ b/drivers/acpi/namespace/nsnames.c @@ -5,7 +5,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/namespace/nsobject.c b/drivers/acpi/namespace/nsobject.c index aabe8794b90..d9d7377bc6e 100644 --- a/drivers/acpi/namespace/nsobject.c +++ b/drivers/acpi/namespace/nsobject.c @@ -6,7 +6,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/namespace/nsparse.c b/drivers/acpi/namespace/nsparse.c index 155505a4ef6..e696aa84799 100644 --- a/drivers/acpi/namespace/nsparse.c +++ b/drivers/acpi/namespace/nsparse.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -45,6 +45,7 @@ #include <acpi/acnamesp.h> #include <acpi/acparser.h> #include <acpi/acdispat.h> +#include <acpi/actables.h> #define _COMPONENT ACPI_NAMESPACE ACPI_MODULE_NAME("nsparse") @@ -62,14 +63,24 @@ ACPI_MODULE_NAME("nsparse") * ******************************************************************************/ acpi_status -acpi_ns_one_complete_parse(u8 pass_number, struct acpi_table_desc *table_desc) +acpi_ns_one_complete_parse(acpi_native_uint pass_number, + acpi_native_uint table_index) { union acpi_parse_object *parse_root; acpi_status status; + acpi_native_uint aml_length; + u8 *aml_start; struct acpi_walk_state *walk_state; + struct acpi_table_header *table; + acpi_owner_id owner_id; ACPI_FUNCTION_TRACE(ns_one_complete_parse); + status = acpi_tb_get_owner_id(table_index, &owner_id); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + /* Create and init a Root Node */ parse_root = acpi_ps_create_scope_op(); @@ -79,26 +90,41 @@ acpi_ns_one_complete_parse(u8 pass_number, struct acpi_table_desc *table_desc) /* Create and initialize a new walk state */ - walk_state = acpi_ds_create_walk_state(table_desc->owner_id, - NULL, NULL, NULL); + walk_state = acpi_ds_create_walk_state(owner_id, NULL, NULL, NULL); if (!walk_state) { acpi_ps_free_op(parse_root); return_ACPI_STATUS(AE_NO_MEMORY); } - status = acpi_ds_init_aml_walk(walk_state, parse_root, NULL, - table_desc->aml_start, - table_desc->aml_length, NULL, - pass_number); + status = acpi_get_table_by_index(table_index, &table); + if (ACPI_FAILURE(status)) { + acpi_ds_delete_walk_state(walk_state); + acpi_ps_free_op(parse_root); + return_ACPI_STATUS(status); + } + + /* Table must consist of at least a complete header */ + + if (table->length < sizeof(struct acpi_table_header)) { + status = AE_BAD_HEADER; + } else { + aml_start = (u8 *) table + sizeof(struct acpi_table_header); + aml_length = table->length - sizeof(struct acpi_table_header); + status = acpi_ds_init_aml_walk(walk_state, parse_root, NULL, + aml_start, aml_length, NULL, + (u8) pass_number); + } + if (ACPI_FAILURE(status)) { acpi_ds_delete_walk_state(walk_state); + acpi_ps_delete_parse_tree(parse_root); return_ACPI_STATUS(status); } /* Parse the AML */ ACPI_DEBUG_PRINT((ACPI_DB_PARSE, "*PARSE* pass %d parse\n", - pass_number)); + (unsigned)pass_number)); status = acpi_ps_parse_aml(walk_state); acpi_ps_delete_parse_tree(parse_root); @@ -119,7 +145,7 @@ acpi_ns_one_complete_parse(u8 pass_number, struct acpi_table_desc *table_desc) ******************************************************************************/ acpi_status -acpi_ns_parse_table(struct acpi_table_desc *table_desc, +acpi_ns_parse_table(acpi_native_uint table_index, struct acpi_namespace_node *start_node) { acpi_status status; @@ -134,10 +160,10 @@ acpi_ns_parse_table(struct acpi_table_desc *table_desc, * each Parser Op subtree is deleted when it is finished. This saves * a great deal of memory, and allows a small cache of parse objects * to service the entire parse. The second pass of the parse then - * performs another complete parse of the AML.. + * performs another complete parse of the AML. */ ACPI_DEBUG_PRINT((ACPI_DB_PARSE, "**** Start pass 1\n")); - status = acpi_ns_one_complete_parse(1, table_desc); + status = acpi_ns_one_complete_parse(ACPI_IMODE_LOAD_PASS1, table_index); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } @@ -152,7 +178,7 @@ acpi_ns_parse_table(struct acpi_table_desc *table_desc, * parse objects are all cached. */ ACPI_DEBUG_PRINT((ACPI_DB_PARSE, "**** Start pass 2\n")); - status = acpi_ns_one_complete_parse(2, table_desc); + status = acpi_ns_one_complete_parse(ACPI_IMODE_LOAD_PASS2, table_index); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } diff --git a/drivers/acpi/namespace/nssearch.c b/drivers/acpi/namespace/nssearch.c index 500e2bbcfaf..e863be665ce 100644 --- a/drivers/acpi/namespace/nssearch.c +++ b/drivers/acpi/namespace/nssearch.c @@ -5,7 +5,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -321,7 +321,8 @@ acpi_ns_search_and_enter(u32 target_name, * even though there are a few bad names. */ if (!acpi_ut_valid_acpi_name(target_name)) { - target_name = acpi_ut_repair_name(target_name); + target_name = + acpi_ut_repair_name(ACPI_CAST_PTR(char, &target_name)); /* Report warning only if in strict mode or debug mode */ @@ -401,6 +402,10 @@ acpi_ns_search_and_enter(u32 target_name, } #endif + if (flags & ACPI_NS_TEMPORARY) { + new_node->flags |= ANOBJ_TEMPORARY; + } + /* Install the new object into the parent's list of children */ acpi_ns_install_node(walk_state, node, new_node, type); diff --git a/drivers/acpi/namespace/nsutils.c b/drivers/acpi/namespace/nsutils.c index aa4e799d9a8..90fd059615f 100644 --- a/drivers/acpi/namespace/nsutils.c +++ b/drivers/acpi/namespace/nsutils.c @@ -6,7 +6,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -770,13 +770,6 @@ void acpi_ns_terminate(void) } ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Namespace freed\n")); - - /* - * 2) Now we can delete the ACPI tables - */ - acpi_tb_delete_all_tables(); - ACPI_DEBUG_PRINT((ACPI_DB_INFO, "ACPI Tables freed\n")); - return_VOID; } diff --git a/drivers/acpi/namespace/nswalk.c b/drivers/acpi/namespace/nswalk.c index c8f6bef16ed..94eb8f332d9 100644 --- a/drivers/acpi/namespace/nswalk.c +++ b/drivers/acpi/namespace/nswalk.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -126,7 +126,7 @@ struct acpi_namespace_node *acpi_ns_get_next_node(acpi_object_type type, * PARAMETERS: Type - acpi_object_type to search for * start_node - Handle in namespace where search begins * max_depth - Depth to which search is to reach - * unlock_before_callback- Whether to unlock the NS before invoking + * Flags - Whether to unlock the NS before invoking * the callback routine * user_function - Called when an object of "Type" is found * Context - Passed to user function @@ -153,7 +153,7 @@ acpi_status acpi_ns_walk_namespace(acpi_object_type type, acpi_handle start_node, u32 max_depth, - u8 unlock_before_callback, + u32 flags, acpi_walk_callback user_function, void *context, void **return_value) { @@ -193,20 +193,34 @@ acpi_ns_walk_namespace(acpi_object_type type, acpi_ns_get_next_node(ACPI_TYPE_ANY, parent_node, child_node); if (child_node) { - /* - * Found node, Get the type if we are not - * searching for ANY - */ + + /* Found next child, get the type if we are not searching for ANY */ + if (type != ACPI_TYPE_ANY) { child_type = child_node->type; } - if (child_type == type) { + /* + * Ignore all temporary namespace nodes (created during control + * method execution) unless told otherwise. These temporary nodes + * can cause a race condition because they can be deleted during the + * execution of the user function (if the namespace is unlocked before + * invocation of the user function.) Only the debugger namespace dump + * will examine the temporary nodes. + */ + if ((child_node->flags & ANOBJ_TEMPORARY) && + !(flags & ACPI_NS_WALK_TEMP_NODES)) { + status = AE_CTRL_DEPTH; + } + + /* Type must match requested type */ + + else if (child_type == type) { /* - * Found a matching node, invoke the user - * callback function + * Found a matching node, invoke the user callback function. + * Unlock the namespace if flag is set. */ - if (unlock_before_callback) { + if (flags & ACPI_NS_WALK_UNLOCK) { mutex_status = acpi_ut_release_mutex (ACPI_MTX_NAMESPACE); @@ -216,10 +230,11 @@ acpi_ns_walk_namespace(acpi_object_type type, } } - status = user_function(child_node, level, - context, return_value); + status = + user_function(child_node, level, context, + return_value); - if (unlock_before_callback) { + if (flags & ACPI_NS_WALK_UNLOCK) { mutex_status = acpi_ut_acquire_mutex (ACPI_MTX_NAMESPACE); @@ -251,20 +266,17 @@ acpi_ns_walk_namespace(acpi_object_type type, } /* - * Depth first search: - * Attempt to go down another level in the namespace - * if we are allowed to. Don't go any further if we - * have reached the caller specified maximum depth - * or if the user function has specified that the - * maximum depth has been reached. + * Depth first search: Attempt to go down another level in the + * namespace if we are allowed to. Don't go any further if we have + * reached the caller specified maximum depth or if the user + * function has specified that the maximum depth has been reached. */ if ((level < max_depth) && (status != AE_CTRL_DEPTH)) { if (acpi_ns_get_next_node (ACPI_TYPE_ANY, child_node, NULL)) { - /* - * There is at least one child of this - * node, visit the onde - */ + + /* There is at least one child of this node, visit it */ + level++; parent_node = child_node; child_node = NULL; @@ -272,9 +284,8 @@ acpi_ns_walk_namespace(acpi_object_type type, } } else { /* - * No more children of this node (acpi_ns_get_next_node - * failed), go back upwards in the namespace tree to - * the node's parent. + * No more children of this node (acpi_ns_get_next_node failed), go + * back upwards in the namespace tree to the node's parent. */ level--; child_node = parent_node; diff --git a/drivers/acpi/namespace/nsxfeval.c b/drivers/acpi/namespace/nsxfeval.c index dca6799ac67..7ac6ace5005 100644 --- a/drivers/acpi/namespace/nsxfeval.c +++ b/drivers/acpi/namespace/nsxfeval.c @@ -6,7 +6,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -170,7 +170,6 @@ acpi_evaluate_object(acpi_handle handle, struct acpi_buffer *return_buffer) { acpi_status status; - acpi_status status2; struct acpi_evaluate_info *info; acpi_size buffer_space_needed; u32 i; @@ -329,14 +328,12 @@ acpi_evaluate_object(acpi_handle handle, * Delete the internal return object. NOTE: Interpreter must be * locked to avoid race condition. */ - status2 = acpi_ex_enter_interpreter(); - if (ACPI_SUCCESS(status2)) { + acpi_ex_enter_interpreter(); - /* Remove one reference on the return object (should delete it) */ + /* Remove one reference on the return object (should delete it) */ - acpi_ut_remove_reference(info->return_object); - acpi_ex_exit_interpreter(); - } + acpi_ut_remove_reference(info->return_object); + acpi_ex_exit_interpreter(); } cleanup: diff --git a/drivers/acpi/namespace/nsxfname.c b/drivers/acpi/namespace/nsxfname.c index 978213a6c19..b489781b22a 100644 --- a/drivers/acpi/namespace/nsxfname.c +++ b/drivers/acpi/namespace/nsxfname.c @@ -6,7 +6,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -84,38 +84,41 @@ acpi_get_handle(acpi_handle parent, /* Convert a parent handle to a prefix node */ if (parent) { - status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); - if (ACPI_FAILURE(status)) { - return (status); - } - prefix_node = acpi_ns_map_handle_to_node(parent); if (!prefix_node) { - (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); return (AE_BAD_PARAMETER); } + } + + /* + * Valid cases are: + * 1) Fully qualified pathname + * 2) Parent + Relative pathname + * + * Error for <null Parent + relative path> + */ + if (acpi_ns_valid_root_prefix(pathname[0])) { - status = acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); - if (ACPI_FAILURE(status)) { - return (status); + /* Pathname is fully qualified (starts with '\') */ + + /* Special case for root-only, since we can't search for it */ + + if (!ACPI_STRCMP(pathname, ACPI_NS_ROOT_PATH)) { + *ret_handle = + acpi_ns_convert_entry_to_handle(acpi_gbl_root_node); + return (AE_OK); } - } + } else if (!prefix_node) { - /* Special case for root, since we can't search for it */ + /* Relative path with null prefix is disallowed */ - if (ACPI_STRCMP(pathname, ACPI_NS_ROOT_PATH) == 0) { - *ret_handle = - acpi_ns_convert_entry_to_handle(acpi_gbl_root_node); - return (AE_OK); + return (AE_BAD_PARAMETER); } - /* - * Find the Node and convert to a handle - */ - status = acpi_ns_get_node(prefix_node, pathname, ACPI_NS_NO_UPSEARCH, - &node); + /* Find the Node and convert to a handle */ - *ret_handle = NULL; + status = + acpi_ns_get_node(prefix_node, pathname, ACPI_NS_NO_UPSEARCH, &node); if (ACPI_SUCCESS(status)) { *ret_handle = acpi_ns_convert_entry_to_handle(node); } diff --git a/drivers/acpi/namespace/nsxfobj.c b/drivers/acpi/namespace/nsxfobj.c index a18b1c22312..faa37588720 100644 --- a/drivers/acpi/namespace/nsxfobj.c +++ b/drivers/acpi/namespace/nsxfobj.c @@ -6,7 +6,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c index bd96a704592..4a9faff4c01 100644 --- a/drivers/acpi/numa.c +++ b/drivers/acpi/numa.c @@ -45,7 +45,7 @@ int __cpuinitdata pxm_to_node_map[MAX_PXM_DOMAINS] int __cpuinitdata node_to_pxm_map[MAX_NUMNODES] = { [0 ... MAX_NUMNODES - 1] = PXM_INVAL }; -extern int __init acpi_table_parse_madt_family(enum acpi_table_id id, +extern int __init acpi_table_parse_madt_family(char *id, unsigned long madt_size, int entry_id, acpi_madt_entry_handler handler, @@ -89,7 +89,7 @@ void __cpuinit acpi_unmap_pxm_to_node(int node) node_clear(node, nodes_found_map); } -void __init acpi_table_print_srat_entry(acpi_table_entry_header * header) +void __init acpi_table_print_srat_entry(struct acpi_subtable_header * header) { ACPI_FUNCTION_NAME("acpi_table_print_srat_entry"); @@ -99,36 +99,35 @@ void __init acpi_table_print_srat_entry(acpi_table_entry_header * header) switch (header->type) { - case ACPI_SRAT_PROCESSOR_AFFINITY: + case ACPI_SRAT_TYPE_CPU_AFFINITY: #ifdef ACPI_DEBUG_OUTPUT { - struct acpi_table_processor_affinity *p = - (struct acpi_table_processor_affinity *)header; + struct acpi_srat_cpu_affinity *p = + (struct acpi_srat_cpu_affinity *)header; ACPI_DEBUG_PRINT((ACPI_DB_INFO, "SRAT Processor (id[0x%02x] eid[0x%02x]) in proximity domain %d %s\n", - p->apic_id, p->lsapic_eid, - p->proximity_domain, - p->flags. - enabled ? "enabled" : "disabled")); + p->apic_id, p->local_sapic_eid, + p->proximity_domain_lo, + (p->flags & ACPI_SRAT_CPU_ENABLED)? + "enabled" : "disabled")); } #endif /* ACPI_DEBUG_OUTPUT */ break; - case ACPI_SRAT_MEMORY_AFFINITY: + case ACPI_SRAT_TYPE_MEMORY_AFFINITY: #ifdef ACPI_DEBUG_OUTPUT { - struct acpi_table_memory_affinity *p = - (struct acpi_table_memory_affinity *)header; + struct acpi_srat_mem_affinity *p = + (struct acpi_srat_mem_affinity *)header; ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "SRAT Memory (0x%08x%08x length 0x%08x%08x type 0x%x) in proximity domain %d %s%s\n", - p->base_addr_hi, p->base_addr_lo, - p->length_hi, p->length_lo, + "SRAT Memory (0x%lx length 0x%lx type 0x%x) in proximity domain %d %s%s\n", + (unsigned long)p->base_address, + (unsigned long)p->length, p->memory_type, p->proximity_domain, - p->flags. - enabled ? "enabled" : "disabled", - p->flags. - hot_pluggable ? " hot-pluggable" : - "")); + (p->flags & ACPI_SRAT_MEM_ENABLED)? + "enabled" : "disabled", + (p->flags & ACPI_SRAT_MEM_HOT_PLUGGABLE)? + " hot-pluggable" : "")); } #endif /* ACPI_DEBUG_OUTPUT */ break; @@ -141,18 +140,18 @@ void __init acpi_table_print_srat_entry(acpi_table_entry_header * header) } } -static int __init acpi_parse_slit(unsigned long phys_addr, unsigned long size) +static int __init acpi_parse_slit(struct acpi_table_header *table) { struct acpi_table_slit *slit; u32 localities; - if (!phys_addr || !size) + if (!table) return -EINVAL; - slit = (struct acpi_table_slit *)__va(phys_addr); + slit = (struct acpi_table_slit *)table; /* downcast just for %llu vs %lu for i386/ia64 */ - localities = (u32) slit->localities; + localities = (u32) slit->locality_count; acpi_numa_slit_init(slit); @@ -160,12 +159,12 @@ static int __init acpi_parse_slit(unsigned long phys_addr, unsigned long size) } static int __init -acpi_parse_processor_affinity(acpi_table_entry_header * header, +acpi_parse_processor_affinity(struct acpi_subtable_header * header, const unsigned long end) { - struct acpi_table_processor_affinity *processor_affinity; + struct acpi_srat_cpu_affinity *processor_affinity; - processor_affinity = (struct acpi_table_processor_affinity *)header; + processor_affinity = (struct acpi_srat_cpu_affinity *)header; if (!processor_affinity) return -EINVAL; @@ -178,12 +177,12 @@ acpi_parse_processor_affinity(acpi_table_entry_header * header, } static int __init -acpi_parse_memory_affinity(acpi_table_entry_header * header, +acpi_parse_memory_affinity(struct acpi_subtable_header * header, const unsigned long end) { - struct acpi_table_memory_affinity *memory_affinity; + struct acpi_srat_mem_affinity *memory_affinity; - memory_affinity = (struct acpi_table_memory_affinity *)header; + memory_affinity = (struct acpi_srat_mem_affinity *)header; if (!memory_affinity) return -EINVAL; @@ -195,23 +194,23 @@ acpi_parse_memory_affinity(acpi_table_entry_header * header, return 0; } -static int __init acpi_parse_srat(unsigned long phys_addr, unsigned long size) +static int __init acpi_parse_srat(struct acpi_table_header *table) { struct acpi_table_srat *srat; - if (!phys_addr || !size) + if (!table) return -EINVAL; - srat = (struct acpi_table_srat *)__va(phys_addr); + srat = (struct acpi_table_srat *)table; return 0; } int __init -acpi_table_parse_srat(enum acpi_srat_entry_id id, +acpi_table_parse_srat(enum acpi_srat_type id, acpi_madt_entry_handler handler, unsigned int max_entries) { - return acpi_table_parse_madt_family(ACPI_SRAT, + return acpi_table_parse_madt_family(ACPI_SIG_SRAT, sizeof(struct acpi_table_srat), id, handler, max_entries); } @@ -221,17 +220,17 @@ int __init acpi_numa_init(void) int result; /* SRAT: Static Resource Affinity Table */ - result = acpi_table_parse(ACPI_SRAT, acpi_parse_srat); + result = acpi_table_parse(ACPI_SIG_SRAT, acpi_parse_srat); if (result > 0) { - result = acpi_table_parse_srat(ACPI_SRAT_PROCESSOR_AFFINITY, + result = acpi_table_parse_srat(ACPI_SRAT_TYPE_CPU_AFFINITY, acpi_parse_processor_affinity, NR_CPUS); - result = acpi_table_parse_srat(ACPI_SRAT_MEMORY_AFFINITY, acpi_parse_memory_affinity, NR_NODE_MEMBLKS); // IA64 specific + result = acpi_table_parse_srat(ACPI_SRAT_TYPE_MEMORY_AFFINITY, acpi_parse_memory_affinity, NR_NODE_MEMBLKS); // IA64 specific } /* SLIT: System Locality Information Table */ - result = acpi_table_parse(ACPI_SLIT, acpi_parse_slit); + result = acpi_table_parse(ACPI_SIG_SLIT, acpi_parse_slit); acpi_numa_arch_fixup(); return 0; diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index 57ae1e5cde0..0f6f3bcbc8e 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -36,6 +36,7 @@ #include <linux/delay.h> #include <linux/workqueue.h> #include <linux/nmi.h> +#include <linux/acpi.h> #include <acpi/acpi.h> #include <asm/io.h> #include <acpi/acpi_bus.h> @@ -75,6 +76,54 @@ static acpi_osd_handler acpi_irq_handler; static void *acpi_irq_context; static struct workqueue_struct *kacpid_wq; +static void __init acpi_request_region (struct acpi_generic_address *addr, + unsigned int length, char *desc) +{ + struct resource *res; + + if (!addr->address || !length) + return; + + if (addr->space_id == ACPI_ADR_SPACE_SYSTEM_IO) + res = request_region(addr->address, length, desc); + else if (addr->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) + res = request_mem_region(addr->address, length, desc); +} + +static int __init acpi_reserve_resources(void) +{ + acpi_request_region(&acpi_gbl_FADT.xpm1a_event_block, acpi_gbl_FADT.pm1_event_length, + "ACPI PM1a_EVT_BLK"); + + acpi_request_region(&acpi_gbl_FADT.xpm1b_event_block, acpi_gbl_FADT.pm1_event_length, + "ACPI PM1b_EVT_BLK"); + + acpi_request_region(&acpi_gbl_FADT.xpm1a_control_block, acpi_gbl_FADT.pm1_control_length, + "ACPI PM1a_CNT_BLK"); + + acpi_request_region(&acpi_gbl_FADT.xpm1b_control_block, acpi_gbl_FADT.pm1_control_length, + "ACPI PM1b_CNT_BLK"); + + if (acpi_gbl_FADT.pm_timer_length == 4) + acpi_request_region(&acpi_gbl_FADT.xpm_timer_block, 4, "ACPI PM_TMR"); + + acpi_request_region(&acpi_gbl_FADT.xpm2_control_block, acpi_gbl_FADT.pm2_control_length, + "ACPI PM2_CNT_BLK"); + + /* Length of GPE blocks must be a non-negative multiple of 2 */ + + if (!(acpi_gbl_FADT.gpe0_block_length & 0x1)) + acpi_request_region(&acpi_gbl_FADT.xgpe0_block, + acpi_gbl_FADT.gpe0_block_length, "ACPI GPE0_BLK"); + + if (!(acpi_gbl_FADT.gpe1_block_length & 0x1)) + acpi_request_region(&acpi_gbl_FADT.xgpe1_block, + acpi_gbl_FADT.gpe1_block_length, "ACPI GPE1_BLK"); + + return 0; +} +device_initcall(acpi_reserve_resources); + acpi_status acpi_os_initialize(void) { return AE_OK; @@ -136,53 +185,43 @@ void acpi_os_vprintf(const char *fmt, va_list args) #endif } -acpi_status acpi_os_get_root_pointer(u32 flags, struct acpi_pointer *addr) +acpi_physical_address __init acpi_os_get_root_pointer(void) { if (efi_enabled) { - addr->pointer_type = ACPI_PHYSICAL_POINTER; if (efi.acpi20 != EFI_INVALID_TABLE_ADDR) - addr->pointer.physical = efi.acpi20; + return efi.acpi20; else if (efi.acpi != EFI_INVALID_TABLE_ADDR) - addr->pointer.physical = efi.acpi; + return efi.acpi; else { printk(KERN_ERR PREFIX "System description tables not found\n"); - return AE_NOT_FOUND; + return 0; } - } else { - if (ACPI_FAILURE(acpi_find_root_pointer(flags, addr))) { - printk(KERN_ERR PREFIX - "System description tables not found\n"); - return AE_NOT_FOUND; - } - } - - return AE_OK; + } else + return acpi_find_rsdp(); } -acpi_status -acpi_os_map_memory(acpi_physical_address phys, acpi_size size, - void __iomem ** virt) +void __iomem *acpi_os_map_memory(acpi_physical_address phys, acpi_size size) { if (phys > ULONG_MAX) { printk(KERN_ERR PREFIX "Cannot map memory that high\n"); - return AE_BAD_PARAMETER; + return 0; } - /* - * ioremap checks to ensure this is in reserved space - */ - *virt = ioremap((unsigned long)phys, size); - - if (!*virt) - return AE_NO_MEMORY; - - return AE_OK; + if (acpi_gbl_permanent_mmap) + /* + * ioremap checks to ensure this is in reserved space + */ + return ioremap((unsigned long)phys, size); + else + return __acpi_map_table((unsigned long)phys, size); } EXPORT_SYMBOL_GPL(acpi_os_map_memory); void acpi_os_unmap_memory(void __iomem * virt, acpi_size size) { - iounmap(virt); + if (acpi_gbl_permanent_mmap) { + iounmap(virt); + } } EXPORT_SYMBOL_GPL(acpi_os_unmap_memory); @@ -254,7 +293,7 @@ acpi_os_install_interrupt_handler(u32 gsi, acpi_osd_handler handler, * FADT. It may not be the same if an interrupt source override exists * for the SCI. */ - gsi = acpi_fadt.sci_int; + gsi = acpi_gbl_FADT.sci_interrupt; if (acpi_gsi_to_irq(gsi, &irq) < 0) { printk(KERN_ERR PREFIX "SCI (ACPI GSI %d) not registered\n", gsi); diff --git a/drivers/acpi/parser/psargs.c b/drivers/acpi/parser/psargs.c index bf88e076c3e..c2b9835c890 100644 --- a/drivers/acpi/parser/psargs.c +++ b/drivers/acpi/parser/psargs.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/parser/psloop.c b/drivers/acpi/parser/psloop.c index e1541db3753..773aee82fbb 100644 --- a/drivers/acpi/parser/psloop.c +++ b/drivers/acpi/parser/psloop.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -42,12 +42,11 @@ */ /* - * Parse the AML and build an operation tree as most interpreters, - * like Perl, do. Parsing is done by hand rather than with a YACC - * generated parser to tightly constrain stack and dynamic memory - * usage. At the same time, parsing is kept flexible and the code - * fairly compact by parsing based on a list of AML opcode - * templates in aml_op_info[] + * Parse the AML and build an operation tree as most interpreters, (such as + * Perl) do. Parsing is done by hand rather than with a YACC generated parser + * to tightly constrain stack and dynamic memory usage. Parsing is kept + * flexible and the code fairly compact by parsing based on a list of AML + * opcode templates in aml_op_info[]. */ #include <acpi/acpi.h> @@ -60,766 +59,679 @@ ACPI_MODULE_NAME("psloop") static u32 acpi_gbl_depth = 0; +/* Local prototypes */ + +static acpi_status acpi_ps_get_aml_opcode(struct acpi_walk_state *walk_state); + +static acpi_status +acpi_ps_build_named_op(struct acpi_walk_state *walk_state, + u8 * aml_op_start, + union acpi_parse_object *unnamed_op, + union acpi_parse_object **op); + +static acpi_status +acpi_ps_create_op(struct acpi_walk_state *walk_state, + u8 * aml_op_start, union acpi_parse_object **new_op); + +static acpi_status +acpi_ps_get_arguments(struct acpi_walk_state *walk_state, + u8 * aml_op_start, union acpi_parse_object *op); + +static acpi_status +acpi_ps_complete_op(struct acpi_walk_state *walk_state, + union acpi_parse_object **op, acpi_status status); + +static acpi_status +acpi_ps_complete_final_op(struct acpi_walk_state *walk_state, + union acpi_parse_object *op, acpi_status status); + /******************************************************************************* * - * FUNCTION: acpi_ps_parse_loop + * FUNCTION: acpi_ps_get_aml_opcode * * PARAMETERS: walk_state - Current state * * RETURN: Status * - * DESCRIPTION: Parse AML (pointed to by the current parser state) and return - * a tree of ops. + * DESCRIPTION: Extract the next AML opcode from the input stream. * ******************************************************************************/ -acpi_status acpi_ps_parse_loop(struct acpi_walk_state *walk_state) +static acpi_status acpi_ps_get_aml_opcode(struct acpi_walk_state *walk_state) { - acpi_status status = AE_OK; - acpi_status status2; - union acpi_parse_object *op = NULL; /* current op */ - union acpi_parse_object *arg = NULL; - union acpi_parse_object *pre_op = NULL; - struct acpi_parse_state *parser_state; - u8 *aml_op_start = NULL; - ACPI_FUNCTION_TRACE_PTR(ps_parse_loop, walk_state); + ACPI_FUNCTION_TRACE_PTR(ps_get_aml_opcode, walk_state); - if (walk_state->descending_callback == NULL) { - return_ACPI_STATUS(AE_BAD_PARAMETER); - } + walk_state->aml_offset = + (u32) ACPI_PTR_DIFF(walk_state->parser_state.aml, + walk_state->parser_state.aml_start); + walk_state->opcode = acpi_ps_peek_opcode(&(walk_state->parser_state)); - parser_state = &walk_state->parser_state; - walk_state->arg_types = 0; + /* + * First cut to determine what we have found: + * 1) A valid AML opcode + * 2) A name string + * 3) An unknown/invalid opcode + */ + walk_state->op_info = acpi_ps_get_opcode_info(walk_state->opcode); -#if (!defined (ACPI_NO_METHOD_EXECUTION) && !defined (ACPI_CONSTANT_EVAL_ONLY)) + switch (walk_state->op_info->class) { + case AML_CLASS_ASCII: + case AML_CLASS_PREFIX: + /* + * Starts with a valid prefix or ASCII char, this is a name + * string. Convert the bare name string to a namepath. + */ + walk_state->opcode = AML_INT_NAMEPATH_OP; + walk_state->arg_types = ARGP_NAMESTRING; + break; - if (walk_state->walk_type & ACPI_WALK_METHOD_RESTART) { + case AML_CLASS_UNKNOWN: - /* We are restarting a preempted control method */ + /* The opcode is unrecognized. Just skip unknown opcodes */ - if (acpi_ps_has_completed_scope(parser_state)) { - /* - * We must check if a predicate to an IF or WHILE statement - * was just completed - */ - if ((parser_state->scope->parse_scope.op) && - ((parser_state->scope->parse_scope.op->common. - aml_opcode == AML_IF_OP) - || (parser_state->scope->parse_scope.op->common. - aml_opcode == AML_WHILE_OP)) - && (walk_state->control_state) - && (walk_state->control_state->common.state == - ACPI_CONTROL_PREDICATE_EXECUTING)) { - /* - * A predicate was just completed, get the value of the - * predicate and branch based on that value - */ - walk_state->op = NULL; - status = - acpi_ds_get_predicate_value(walk_state, - ACPI_TO_POINTER - (TRUE)); - if (ACPI_FAILURE(status) - && ((status & AE_CODE_MASK) != - AE_CODE_CONTROL)) { - if (status == AE_AML_NO_RETURN_VALUE) { - ACPI_EXCEPTION((AE_INFO, status, - "Invoked method did not return a value")); + ACPI_ERROR((AE_INFO, + "Found unknown opcode %X at AML address %p offset %X, ignoring", + walk_state->opcode, walk_state->parser_state.aml, + walk_state->aml_offset)); - } - ACPI_EXCEPTION((AE_INFO, status, - "GetPredicate Failed")); - return_ACPI_STATUS(status); - } + ACPI_DUMP_BUFFER(walk_state->parser_state.aml, 128); - status = - acpi_ps_next_parse_state(walk_state, op, - status); - } + /* Assume one-byte bad opcode */ - acpi_ps_pop_scope(parser_state, &op, - &walk_state->arg_types, - &walk_state->arg_count); - ACPI_DEBUG_PRINT((ACPI_DB_PARSE, - "Popped scope, Op=%p\n", op)); - } else if (walk_state->prev_op) { + walk_state->parser_state.aml++; + return_ACPI_STATUS(AE_CTRL_PARSE_CONTINUE); - /* We were in the middle of an op */ + default: - op = walk_state->prev_op; - walk_state->arg_types = walk_state->prev_arg_types; - } + /* Found opcode info, this is a normal opcode */ + + walk_state->parser_state.aml += + acpi_ps_get_opcode_size(walk_state->opcode); + walk_state->arg_types = walk_state->op_info->parse_args; + break; } -#endif - /* Iterative parsing loop, while there is more AML to process: */ + return_ACPI_STATUS(AE_OK); +} - while ((parser_state->aml < parser_state->aml_end) || (op)) { - aml_op_start = parser_state->aml; - if (!op) { +/******************************************************************************* + * + * FUNCTION: acpi_ps_build_named_op + * + * PARAMETERS: walk_state - Current state + * aml_op_start - Begin of named Op in AML + * unnamed_op - Early Op (not a named Op) + * Op - Returned Op + * + * RETURN: Status + * + * DESCRIPTION: Parse a named Op + * + ******************************************************************************/ - /* Get the next opcode from the AML stream */ +static acpi_status +acpi_ps_build_named_op(struct acpi_walk_state *walk_state, + u8 * aml_op_start, + union acpi_parse_object *unnamed_op, + union acpi_parse_object **op) +{ + acpi_status status = AE_OK; + union acpi_parse_object *arg = NULL; - walk_state->aml_offset = - (u32) ACPI_PTR_DIFF(parser_state->aml, - parser_state->aml_start); - walk_state->opcode = acpi_ps_peek_opcode(parser_state); + ACPI_FUNCTION_TRACE_PTR(ps_build_named_op, walk_state); - /* - * First cut to determine what we have found: - * 1) A valid AML opcode - * 2) A name string - * 3) An unknown/invalid opcode - */ - walk_state->op_info = - acpi_ps_get_opcode_info(walk_state->opcode); - switch (walk_state->op_info->class) { - case AML_CLASS_ASCII: - case AML_CLASS_PREFIX: - /* - * Starts with a valid prefix or ASCII char, this is a name - * string. Convert the bare name string to a namepath. - */ - walk_state->opcode = AML_INT_NAMEPATH_OP; - walk_state->arg_types = ARGP_NAMESTRING; - break; + unnamed_op->common.value.arg = NULL; + unnamed_op->common.aml_opcode = walk_state->opcode; - case AML_CLASS_UNKNOWN: + /* + * Get and append arguments until we find the node that contains + * the name (the type ARGP_NAME). + */ + while (GET_CURRENT_ARG_TYPE(walk_state->arg_types) && + (GET_CURRENT_ARG_TYPE(walk_state->arg_types) != ARGP_NAME)) { + status = + acpi_ps_get_next_arg(walk_state, + &(walk_state->parser_state), + GET_CURRENT_ARG_TYPE(walk_state-> + arg_types), &arg); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } - /* The opcode is unrecognized. Just skip unknown opcodes */ + acpi_ps_append_arg(unnamed_op, arg); + INCREMENT_ARG_LIST(walk_state->arg_types); + } - ACPI_ERROR((AE_INFO, - "Found unknown opcode %X at AML address %p offset %X, ignoring", - walk_state->opcode, - parser_state->aml, - walk_state->aml_offset)); + /* + * Make sure that we found a NAME and didn't run out of arguments + */ + if (!GET_CURRENT_ARG_TYPE(walk_state->arg_types)) { + return_ACPI_STATUS(AE_AML_NO_OPERAND); + } - ACPI_DUMP_BUFFER(parser_state->aml, 128); + /* We know that this arg is a name, move to next arg */ - /* Assume one-byte bad opcode */ + INCREMENT_ARG_LIST(walk_state->arg_types); - parser_state->aml++; - continue; + /* + * Find the object. This will either insert the object into + * the namespace or simply look it up + */ + walk_state->op = NULL; - default: + status = walk_state->descending_callback(walk_state, op); + if (ACPI_FAILURE(status)) { + ACPI_EXCEPTION((AE_INFO, status, "During name lookup/catalog")); + return_ACPI_STATUS(status); + } - /* Found opcode info, this is a normal opcode */ + if (!*op) { + return_ACPI_STATUS(AE_CTRL_PARSE_CONTINUE); + } - parser_state->aml += - acpi_ps_get_opcode_size(walk_state->opcode); - walk_state->arg_types = - walk_state->op_info->parse_args; - break; - } + status = acpi_ps_next_parse_state(walk_state, *op, status); + if (ACPI_FAILURE(status)) { + if (status == AE_CTRL_PENDING) { + return_ACPI_STATUS(AE_CTRL_PARSE_PENDING); + } + return_ACPI_STATUS(status); + } - /* Create Op structure and append to parent's argument list */ + acpi_ps_append_arg(*op, unnamed_op->common.value.arg); + acpi_gbl_depth++; - if (walk_state->op_info->flags & AML_NAMED) { + if ((*op)->common.aml_opcode == AML_REGION_OP) { + /* + * Defer final parsing of an operation_region body, because we don't + * have enough info in the first pass to parse it correctly (i.e., + * there may be method calls within the term_arg elements of the body.) + * + * However, we must continue parsing because the opregion is not a + * standalone package -- we don't know where the end is at this point. + * + * (Length is unknown until parse of the body complete) + */ + (*op)->named.data = aml_op_start; + (*op)->named.length = 0; + } - /* Allocate a new pre_op if necessary */ + return_ACPI_STATUS(AE_OK); +} - if (!pre_op) { - pre_op = - acpi_ps_alloc_op(walk_state-> - opcode); - if (!pre_op) { - status = AE_NO_MEMORY; - goto close_this_op; - } - } +/******************************************************************************* + * + * FUNCTION: acpi_ps_create_op + * + * PARAMETERS: walk_state - Current state + * aml_op_start - Op start in AML + * new_op - Returned Op + * + * RETURN: Status + * + * DESCRIPTION: Get Op from AML + * + ******************************************************************************/ - pre_op->common.value.arg = NULL; - pre_op->common.aml_opcode = walk_state->opcode; +static acpi_status +acpi_ps_create_op(struct acpi_walk_state *walk_state, + u8 * aml_op_start, union acpi_parse_object **new_op) +{ + acpi_status status = AE_OK; + union acpi_parse_object *op; + union acpi_parse_object *named_op = NULL; - /* - * Get and append arguments until we find the node that contains - * the name (the type ARGP_NAME). - */ - while (GET_CURRENT_ARG_TYPE - (walk_state->arg_types) - && - (GET_CURRENT_ARG_TYPE - (walk_state->arg_types) != ARGP_NAME)) { - status = - acpi_ps_get_next_arg(walk_state, - parser_state, - GET_CURRENT_ARG_TYPE - (walk_state-> - arg_types), - &arg); - if (ACPI_FAILURE(status)) { - goto close_this_op; - } + ACPI_FUNCTION_TRACE_PTR(ps_create_op, walk_state); - acpi_ps_append_arg(pre_op, arg); - INCREMENT_ARG_LIST(walk_state-> - arg_types); - } + status = acpi_ps_get_aml_opcode(walk_state); + if (status == AE_CTRL_PARSE_CONTINUE) { + return_ACPI_STATUS(AE_CTRL_PARSE_CONTINUE); + } - /* - * Make sure that we found a NAME and didn't run out of - * arguments - */ - if (!GET_CURRENT_ARG_TYPE - (walk_state->arg_types)) { - status = AE_AML_NO_OPERAND; - goto close_this_op; - } + /* Create Op structure and append to parent's argument list */ - /* We know that this arg is a name, move to next arg */ + walk_state->op_info = acpi_ps_get_opcode_info(walk_state->opcode); + op = acpi_ps_alloc_op(walk_state->opcode); + if (!op) { + return_ACPI_STATUS(AE_NO_MEMORY); + } - INCREMENT_ARG_LIST(walk_state->arg_types); + if (walk_state->op_info->flags & AML_NAMED) { + status = + acpi_ps_build_named_op(walk_state, aml_op_start, op, + &named_op); + acpi_ps_free_op(op); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } - /* - * Find the object. This will either insert the object into - * the namespace or simply look it up - */ - walk_state->op = NULL; + *new_op = named_op; + return_ACPI_STATUS(AE_OK); + } - status = - walk_state->descending_callback(walk_state, - &op); - if (ACPI_FAILURE(status)) { - ACPI_EXCEPTION((AE_INFO, status, - "During name lookup/catalog")); - goto close_this_op; - } + /* Not a named opcode, just allocate Op and append to parent */ - if (!op) { - continue; - } + if (walk_state->op_info->flags & AML_CREATE) { + /* + * Backup to beginning of create_xXXfield declaration + * body_length is unknown until we parse the body + */ + op->named.data = aml_op_start; + op->named.length = 0; + } - status = - acpi_ps_next_parse_state(walk_state, op, - status); - if (status == AE_CTRL_PENDING) { - status = AE_OK; - goto close_this_op; - } + acpi_ps_append_arg(acpi_ps_get_parent_scope + (&(walk_state->parser_state)), op); - if (ACPI_FAILURE(status)) { - goto close_this_op; - } + if (walk_state->descending_callback != NULL) { + /* + * Find the object. This will either insert the object into + * the namespace or simply look it up + */ + walk_state->op = *new_op = op; - acpi_ps_append_arg(op, - pre_op->common.value.arg); - acpi_gbl_depth++; - - if (op->common.aml_opcode == AML_REGION_OP) { - /* - * Defer final parsing of an operation_region body, - * because we don't have enough info in the first pass - * to parse it correctly (i.e., there may be method - * calls within the term_arg elements of the body.) - * - * However, we must continue parsing because - * the opregion is not a standalone package -- - * we don't know where the end is at this point. - * - * (Length is unknown until parse of the body complete) - */ - op->named.data = aml_op_start; - op->named.length = 0; - } - } else { - /* Not a named opcode, just allocate Op and append to parent */ + status = walk_state->descending_callback(walk_state, &op); + status = acpi_ps_next_parse_state(walk_state, op, status); + if (status == AE_CTRL_PENDING) { + status = AE_CTRL_PARSE_PENDING; + } + } - walk_state->op_info = - acpi_ps_get_opcode_info(walk_state->opcode); - op = acpi_ps_alloc_op(walk_state->opcode); - if (!op) { - status = AE_NO_MEMORY; - goto close_this_op; - } + return_ACPI_STATUS(status); +} - if (walk_state->op_info->flags & AML_CREATE) { - /* - * Backup to beginning of create_xXXfield declaration - * body_length is unknown until we parse the body - */ - op->named.data = aml_op_start; - op->named.length = 0; - } +/******************************************************************************* + * + * FUNCTION: acpi_ps_get_arguments + * + * PARAMETERS: walk_state - Current state + * aml_op_start - Op start in AML + * Op - Current Op + * + * RETURN: Status + * + * DESCRIPTION: Get arguments for passed Op. + * + ******************************************************************************/ - acpi_ps_append_arg(acpi_ps_get_parent_scope - (parser_state), op); +static acpi_status +acpi_ps_get_arguments(struct acpi_walk_state *walk_state, + u8 * aml_op_start, union acpi_parse_object *op) +{ + acpi_status status = AE_OK; + union acpi_parse_object *arg = NULL; - if ((walk_state->descending_callback != NULL)) { - /* - * Find the object. This will either insert the object into - * the namespace or simply look it up - */ - walk_state->op = op; + ACPI_FUNCTION_TRACE_PTR(ps_get_arguments, walk_state); - status = - walk_state-> - descending_callback(walk_state, - &op); - status = - acpi_ps_next_parse_state(walk_state, - op, - status); - if (status == AE_CTRL_PENDING) { - status = AE_OK; - goto close_this_op; - } + switch (op->common.aml_opcode) { + case AML_BYTE_OP: /* AML_BYTEDATA_ARG */ + case AML_WORD_OP: /* AML_WORDDATA_ARG */ + case AML_DWORD_OP: /* AML_DWORDATA_ARG */ + case AML_QWORD_OP: /* AML_QWORDATA_ARG */ + case AML_STRING_OP: /* AML_ASCIICHARLIST_ARG */ - if (ACPI_FAILURE(status)) { - goto close_this_op; - } - } - } + /* Fill in constant or string argument directly */ - op->common.aml_offset = walk_state->aml_offset; + acpi_ps_get_next_simple_arg(&(walk_state->parser_state), + GET_CURRENT_ARG_TYPE(walk_state-> + arg_types), + op); + break; - if (walk_state->op_info) { - ACPI_DEBUG_PRINT((ACPI_DB_PARSE, - "Opcode %4.4X [%s] Op %p Aml %p AmlOffset %5.5X\n", - (u32) op->common.aml_opcode, - walk_state->op_info->name, op, - parser_state->aml, - op->common.aml_offset)); - } + case AML_INT_NAMEPATH_OP: /* AML_NAMESTRING_ARG */ + + status = + acpi_ps_get_next_namepath(walk_state, + &(walk_state->parser_state), op, + 1); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); } + walk_state->arg_types = 0; + break; + + default: /* - * Start arg_count at zero because we don't know if there are - * any args yet + * Op is not a constant or string, append each argument to the Op */ - walk_state->arg_count = 0; - - /* Are there any arguments that must be processed? */ - - if (walk_state->arg_types) { - - /* Get arguments */ - - switch (op->common.aml_opcode) { - case AML_BYTE_OP: /* AML_BYTEDATA_ARG */ - case AML_WORD_OP: /* AML_WORDDATA_ARG */ - case AML_DWORD_OP: /* AML_DWORDATA_ARG */ - case AML_QWORD_OP: /* AML_QWORDATA_ARG */ - case AML_STRING_OP: /* AML_ASCIICHARLIST_ARG */ - - /* Fill in constant or string argument directly */ - - acpi_ps_get_next_simple_arg(parser_state, - GET_CURRENT_ARG_TYPE - (walk_state-> - arg_types), op); - break; - - case AML_INT_NAMEPATH_OP: /* AML_NAMESTRING_ARG */ - - status = - acpi_ps_get_next_namepath(walk_state, - parser_state, op, - 1); - if (ACPI_FAILURE(status)) { - goto close_this_op; - } - - walk_state->arg_types = 0; - break; + while (GET_CURRENT_ARG_TYPE(walk_state->arg_types) + && !walk_state->arg_count) { + walk_state->aml_offset = + (u32) ACPI_PTR_DIFF(walk_state->parser_state.aml, + walk_state->parser_state. + aml_start); - default: - /* - * Op is not a constant or string, append each argument - * to the Op - */ - while (GET_CURRENT_ARG_TYPE - (walk_state->arg_types) - && !walk_state->arg_count) { - walk_state->aml_offset = (u32) - ACPI_PTR_DIFF(parser_state->aml, - parser_state-> - aml_start); + status = + acpi_ps_get_next_arg(walk_state, + &(walk_state->parser_state), + GET_CURRENT_ARG_TYPE + (walk_state->arg_types), &arg); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } - status = - acpi_ps_get_next_arg(walk_state, - parser_state, - GET_CURRENT_ARG_TYPE - (walk_state-> - arg_types), - &arg); - if (ACPI_FAILURE(status)) { - goto close_this_op; - } + if (arg) { + arg->common.aml_offset = walk_state->aml_offset; + acpi_ps_append_arg(op, arg); + } - if (arg) { - arg->common.aml_offset = - walk_state->aml_offset; - acpi_ps_append_arg(op, arg); - } - INCREMENT_ARG_LIST(walk_state-> - arg_types); - } + INCREMENT_ARG_LIST(walk_state->arg_types); + } - /* Special processing for certain opcodes */ + /* Special processing for certain opcodes */ - /* TBD (remove): Temporary mechanism to disable this code if needed */ + /* TBD (remove): Temporary mechanism to disable this code if needed */ #ifdef ACPI_ENABLE_MODULE_LEVEL_CODE - if ((walk_state->pass_number <= - ACPI_IMODE_LOAD_PASS1) - && - ((walk_state-> - parse_flags & ACPI_PARSE_DISASSEMBLE) == - 0)) { - /* - * We want to skip If/Else/While constructs during Pass1 - * because we want to actually conditionally execute the - * code during Pass2. - * - * Except for disassembly, where we always want to - * walk the If/Else/While packages - */ - switch (op->common.aml_opcode) { - case AML_IF_OP: - case AML_ELSE_OP: - case AML_WHILE_OP: - - ACPI_DEBUG_PRINT((ACPI_DB_PARSE, - "Pass1: Skipping an If/Else/While body\n")); - - /* Skip body of if/else/while in pass 1 */ - - parser_state->aml = - parser_state->pkg_end; - walk_state->arg_count = 0; - break; - - default: - break; - } - } -#endif - switch (op->common.aml_opcode) { - case AML_METHOD_OP: - - /* - * Skip parsing of control method - * because we don't have enough info in the first pass - * to parse it correctly. - * - * Save the length and address of the body - */ - op->named.data = parser_state->aml; - op->named.length = - (u32) (parser_state->pkg_end - - parser_state->aml); - - /* Skip body of method */ - - parser_state->aml = - parser_state->pkg_end; - walk_state->arg_count = 0; - break; - - case AML_BUFFER_OP: - case AML_PACKAGE_OP: - case AML_VAR_PACKAGE_OP: - - if ((op->common.parent) && - (op->common.parent->common. - aml_opcode == AML_NAME_OP) - && (walk_state->pass_number <= - ACPI_IMODE_LOAD_PASS2)) { - /* - * Skip parsing of Buffers and Packages - * because we don't have enough info in the first pass - * to parse them correctly. - */ - op->named.data = aml_op_start; - op->named.length = - (u32) (parser_state-> - pkg_end - - aml_op_start); - - /* Skip body */ - - parser_state->aml = - parser_state->pkg_end; - walk_state->arg_count = 0; - } - break; + if ((walk_state->pass_number <= ACPI_IMODE_LOAD_PASS1) && + ((walk_state->parse_flags & ACPI_PARSE_DISASSEMBLE) == 0)) { + /* + * We want to skip If/Else/While constructs during Pass1 because we + * want to actually conditionally execute the code during Pass2. + * + * Except for disassembly, where we always want to walk the + * If/Else/While packages + */ + switch (op->common.aml_opcode) { + case AML_IF_OP: + case AML_ELSE_OP: + case AML_WHILE_OP: - case AML_WHILE_OP: + ACPI_DEBUG_PRINT((ACPI_DB_PARSE, + "Pass1: Skipping an If/Else/While body\n")); - if (walk_state->control_state) { - walk_state->control_state-> - control.package_end = - parser_state->pkg_end; - } - break; + /* Skip body of if/else/while in pass 1 */ - default: + walk_state->parser_state.aml = + walk_state->parser_state.pkg_end; + walk_state->arg_count = 0; + break; - /* No action for all other opcodes */ - break; - } + default: break; } } +#endif - /* Check for arguments that need to be processed */ - - if (walk_state->arg_count) { + switch (op->common.aml_opcode) { + case AML_METHOD_OP: /* - * There are arguments (complex ones), push Op and - * prepare for argument + * Skip parsing of control method because we don't have enough + * info in the first pass to parse it correctly. + * + * Save the length and address of the body */ - status = acpi_ps_push_scope(parser_state, op, - walk_state->arg_types, - walk_state->arg_count); - if (ACPI_FAILURE(status)) { - goto close_this_op; - } - op = NULL; - continue; - } + op->named.data = walk_state->parser_state.aml; + op->named.length = (u32) + (walk_state->parser_state.pkg_end - + walk_state->parser_state.aml); - /* - * All arguments have been processed -- Op is complete, - * prepare for next - */ - walk_state->op_info = - acpi_ps_get_opcode_info(op->common.aml_opcode); - if (walk_state->op_info->flags & AML_NAMED) { - if (acpi_gbl_depth) { - acpi_gbl_depth--; - } + /* Skip body of method */ - if (op->common.aml_opcode == AML_REGION_OP) { + walk_state->parser_state.aml = + walk_state->parser_state.pkg_end; + walk_state->arg_count = 0; + break; + + case AML_BUFFER_OP: + case AML_PACKAGE_OP: + case AML_VAR_PACKAGE_OP: + + if ((op->common.parent) && + (op->common.parent->common.aml_opcode == + AML_NAME_OP) + && (walk_state->pass_number <= + ACPI_IMODE_LOAD_PASS2)) { /* - * Skip parsing of control method or opregion body, - * because we don't have enough info in the first pass - * to parse them correctly. - * - * Completed parsing an op_region declaration, we now - * know the length. + * Skip parsing of Buffers and Packages because we don't have + * enough info in the first pass to parse them correctly. */ - op->named.length = - (u32) (parser_state->aml - op->named.data); - } - } + op->named.data = aml_op_start; + op->named.length = (u32) + (walk_state->parser_state.pkg_end - + aml_op_start); - if (walk_state->op_info->flags & AML_CREATE) { - /* - * Backup to beginning of create_xXXfield declaration (1 for - * Opcode) - * - * body_length is unknown until we parse the body - */ - op->named.length = - (u32) (parser_state->aml - op->named.data); - } + /* Skip body */ - /* This op complete, notify the dispatcher */ + walk_state->parser_state.aml = + walk_state->parser_state.pkg_end; + walk_state->arg_count = 0; + } + break; - if (walk_state->ascending_callback != NULL) { - walk_state->op = op; - walk_state->opcode = op->common.aml_opcode; + case AML_WHILE_OP: - status = walk_state->ascending_callback(walk_state); - status = - acpi_ps_next_parse_state(walk_state, op, status); - if (status == AE_CTRL_PENDING) { - status = AE_OK; - goto close_this_op; + if (walk_state->control_state) { + walk_state->control_state->control.package_end = + walk_state->parser_state.pkg_end; } - } - - close_this_op: - /* - * Finished one argument of the containing scope - */ - parser_state->scope->parse_scope.arg_count--; + break; - /* Finished with pre_op */ + default: - if (pre_op) { - acpi_ps_free_op(pre_op); - pre_op = NULL; + /* No action for all other opcodes */ + break; } - /* Close this Op (will result in parse subtree deletion) */ + break; + } - status2 = acpi_ps_complete_this_op(walk_state, op); - if (ACPI_FAILURE(status2)) { - return_ACPI_STATUS(status2); - } - op = NULL; + return_ACPI_STATUS(AE_OK); +} - switch (status) { - case AE_OK: - break; +/******************************************************************************* + * + * FUNCTION: acpi_ps_complete_op + * + * PARAMETERS: walk_state - Current state + * Op - Returned Op + * Status - Parse status before complete Op + * + * RETURN: Status + * + * DESCRIPTION: Complete Op + * + ******************************************************************************/ - case AE_CTRL_TRANSFER: +static acpi_status +acpi_ps_complete_op(struct acpi_walk_state *walk_state, + union acpi_parse_object **op, acpi_status status) +{ + acpi_status status2; - /* We are about to transfer to a called method. */ + ACPI_FUNCTION_TRACE_PTR(ps_complete_op, walk_state); - walk_state->prev_op = op; - walk_state->prev_arg_types = walk_state->arg_types; - return_ACPI_STATUS(status); + /* + * Finished one argument of the containing scope + */ + walk_state->parser_state.scope->parse_scope.arg_count--; - case AE_CTRL_END: + /* Close this Op (will result in parse subtree deletion) */ - acpi_ps_pop_scope(parser_state, &op, - &walk_state->arg_types, - &walk_state->arg_count); + status2 = acpi_ps_complete_this_op(walk_state, *op); + if (ACPI_FAILURE(status2)) { + return_ACPI_STATUS(status2); + } - if (op) { - walk_state->op = op; - walk_state->op_info = - acpi_ps_get_opcode_info(op->common. - aml_opcode); - walk_state->opcode = op->common.aml_opcode; + *op = NULL; - status = - walk_state->ascending_callback(walk_state); - status = - acpi_ps_next_parse_state(walk_state, op, - status); + switch (status) { + case AE_OK: + break; - status2 = - acpi_ps_complete_this_op(walk_state, op); - if (ACPI_FAILURE(status2)) { - return_ACPI_STATUS(status2); - } - op = NULL; - } - status = AE_OK; - break; + case AE_CTRL_TRANSFER: - case AE_CTRL_BREAK: - case AE_CTRL_CONTINUE: + /* We are about to transfer to a called method */ - /* Pop off scopes until we find the While */ + walk_state->prev_op = NULL; + walk_state->prev_arg_types = walk_state->arg_types; + return_ACPI_STATUS(status); - while (!op || (op->common.aml_opcode != AML_WHILE_OP)) { - acpi_ps_pop_scope(parser_state, &op, - &walk_state->arg_types, - &walk_state->arg_count); + case AE_CTRL_END: - if (op->common.aml_opcode != AML_WHILE_OP) { - status2 = - acpi_ds_result_stack_pop - (walk_state); - if (ACPI_FAILURE(status2)) { - return_ACPI_STATUS(status2); - } - } - } - - /* Close this iteration of the While loop */ + acpi_ps_pop_scope(&(walk_state->parser_state), op, + &walk_state->arg_types, + &walk_state->arg_count); - walk_state->op = op; + if (*op) { + walk_state->op = *op; walk_state->op_info = - acpi_ps_get_opcode_info(op->common.aml_opcode); - walk_state->opcode = op->common.aml_opcode; + acpi_ps_get_opcode_info((*op)->common.aml_opcode); + walk_state->opcode = (*op)->common.aml_opcode; status = walk_state->ascending_callback(walk_state); status = - acpi_ps_next_parse_state(walk_state, op, status); + acpi_ps_next_parse_state(walk_state, *op, status); - status2 = acpi_ps_complete_this_op(walk_state, op); + status2 = acpi_ps_complete_this_op(walk_state, *op); if (ACPI_FAILURE(status2)) { return_ACPI_STATUS(status2); } - op = NULL; - - status = AE_OK; - break; + } - case AE_CTRL_TERMINATE: + status = AE_OK; + break; - status = AE_OK; + case AE_CTRL_BREAK: + case AE_CTRL_CONTINUE: - /* Clean up */ - do { - if (op) { - status2 = - acpi_ps_complete_this_op(walk_state, - op); - if (ACPI_FAILURE(status2)) { - return_ACPI_STATUS(status2); - } + /* Pop off scopes until we find the While */ - status2 = - acpi_ds_result_stack_pop - (walk_state); - if (ACPI_FAILURE(status2)) { - return_ACPI_STATUS(status2); - } + while (!(*op) || ((*op)->common.aml_opcode != AML_WHILE_OP)) { + acpi_ps_pop_scope(&(walk_state->parser_state), op, + &walk_state->arg_types, + &walk_state->arg_count); - acpi_ut_delete_generic_state - (acpi_ut_pop_generic_state - (&walk_state->control_state)); + if ((*op)->common.aml_opcode != AML_WHILE_OP) { + status2 = acpi_ds_result_stack_pop(walk_state); + if (ACPI_FAILURE(status2)) { + return_ACPI_STATUS(status2); } + } + } - acpi_ps_pop_scope(parser_state, &op, - &walk_state->arg_types, - &walk_state->arg_count); + /* Close this iteration of the While loop */ - } while (op); + walk_state->op = *op; + walk_state->op_info = + acpi_ps_get_opcode_info((*op)->common.aml_opcode); + walk_state->opcode = (*op)->common.aml_opcode; - return_ACPI_STATUS(status); + status = walk_state->ascending_callback(walk_state); + status = acpi_ps_next_parse_state(walk_state, *op, status); - default: /* All other non-AE_OK status */ + status2 = acpi_ps_complete_this_op(walk_state, *op); + if (ACPI_FAILURE(status2)) { + return_ACPI_STATUS(status2); + } - do { - if (op) { - status2 = - acpi_ps_complete_this_op(walk_state, - op); - if (ACPI_FAILURE(status2)) { - return_ACPI_STATUS(status2); - } + status = AE_OK; + break; + + case AE_CTRL_TERMINATE: + + /* Clean up */ + do { + if (*op) { + status2 = + acpi_ps_complete_this_op(walk_state, *op); + if (ACPI_FAILURE(status2)) { + return_ACPI_STATUS(status2); + } + status2 = acpi_ds_result_stack_pop(walk_state); + if (ACPI_FAILURE(status2)) { + return_ACPI_STATUS(status2); } - acpi_ps_pop_scope(parser_state, &op, - &walk_state->arg_types, - &walk_state->arg_count); + acpi_ut_delete_generic_state + (acpi_ut_pop_generic_state + (&walk_state->control_state)); + } - } while (op); + acpi_ps_pop_scope(&(walk_state->parser_state), op, + &walk_state->arg_types, + &walk_state->arg_count); - /* - * TBD: Cleanup parse ops on error - */ -#if 0 - if (op == NULL) { - acpi_ps_pop_scope(parser_state, &op, - &walk_state->arg_types, - &walk_state->arg_count); + } while (*op); + + return_ACPI_STATUS(AE_OK); + + default: /* All other non-AE_OK status */ + + do { + if (*op) { + status2 = + acpi_ps_complete_this_op(walk_state, *op); + if (ACPI_FAILURE(status2)) { + return_ACPI_STATUS(status2); + } } -#endif - walk_state->prev_op = op; - walk_state->prev_arg_types = walk_state->arg_types; - return_ACPI_STATUS(status); - } - /* This scope complete? */ + acpi_ps_pop_scope(&(walk_state->parser_state), op, + &walk_state->arg_types, + &walk_state->arg_count); - if (acpi_ps_has_completed_scope(parser_state)) { - acpi_ps_pop_scope(parser_state, &op, + } while (*op); + +#if 0 + /* + * TBD: Cleanup parse ops on error + */ + if (*op == NULL) { + acpi_ps_pop_scope(parser_state, op, &walk_state->arg_types, &walk_state->arg_count); - ACPI_DEBUG_PRINT((ACPI_DB_PARSE, - "Popped scope, Op=%p\n", op)); - } else { - op = NULL; } +#endif + walk_state->prev_op = NULL; + walk_state->prev_arg_types = walk_state->arg_types; + return_ACPI_STATUS(status); + } - } /* while parser_state->Aml */ + /* This scope complete? */ + + if (acpi_ps_has_completed_scope(&(walk_state->parser_state))) { + acpi_ps_pop_scope(&(walk_state->parser_state), op, + &walk_state->arg_types, + &walk_state->arg_count); + ACPI_DEBUG_PRINT((ACPI_DB_PARSE, "Popped scope, Op=%p\n", *op)); + } else { + *op = NULL; + } + + return_ACPI_STATUS(AE_OK); +} + +/******************************************************************************* + * + * FUNCTION: acpi_ps_complete_final_op + * + * PARAMETERS: walk_state - Current state + * Op - Current Op + * Status - Current parse status before complete last + * Op + * + * RETURN: Status + * + * DESCRIPTION: Complete last Op. + * + ******************************************************************************/ + +static acpi_status +acpi_ps_complete_final_op(struct acpi_walk_state *walk_state, + union acpi_parse_object *op, acpi_status status) +{ + acpi_status status2; + + ACPI_FUNCTION_TRACE_PTR(ps_complete_final_op, walk_state); /* * Complete the last Op (if not completed), and clear the scope stack. * It is easily possible to end an AML "package" with an unbounded number * of open scopes (such as when several ASL blocks are closed with - * sequential closing braces). We want to terminate each one cleanly. + * sequential closing braces). We want to terminate each one cleanly. */ ACPI_DEBUG_PRINT((ACPI_DB_PARSE, "AML package complete at Op %p\n", op)); @@ -838,8 +750,12 @@ acpi_status acpi_ps_parse_loop(struct acpi_walk_state *walk_state) acpi_ps_next_parse_state(walk_state, op, status); if (status == AE_CTRL_PENDING) { - status = AE_OK; - goto close_this_op; + status = + acpi_ps_complete_op(walk_state, &op, + AE_OK); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } } if (status == AE_CTRL_TERMINATE) { @@ -858,7 +774,9 @@ acpi_status acpi_ps_parse_loop(struct acpi_walk_state *walk_state) } } - acpi_ps_pop_scope(parser_state, + acpi_ps_pop_scope(& + (walk_state-> + parser_state), &op, &walk_state-> arg_types, @@ -887,10 +805,252 @@ acpi_status acpi_ps_parse_loop(struct acpi_walk_state *walk_state) } } - acpi_ps_pop_scope(parser_state, &op, &walk_state->arg_types, + acpi_ps_pop_scope(&(walk_state->parser_state), &op, + &walk_state->arg_types, &walk_state->arg_count); } while (op); return_ACPI_STATUS(status); } + +/******************************************************************************* + * + * FUNCTION: acpi_ps_parse_loop + * + * PARAMETERS: walk_state - Current state + * + * RETURN: Status + * + * DESCRIPTION: Parse AML (pointed to by the current parser state) and return + * a tree of ops. + * + ******************************************************************************/ + +acpi_status acpi_ps_parse_loop(struct acpi_walk_state *walk_state) +{ + acpi_status status = AE_OK; + union acpi_parse_object *op = NULL; /* current op */ + struct acpi_parse_state *parser_state; + u8 *aml_op_start = NULL; + + ACPI_FUNCTION_TRACE_PTR(ps_parse_loop, walk_state); + + if (walk_state->descending_callback == NULL) { + return_ACPI_STATUS(AE_BAD_PARAMETER); + } + + parser_state = &walk_state->parser_state; + walk_state->arg_types = 0; + +#if (!defined (ACPI_NO_METHOD_EXECUTION) && !defined (ACPI_CONSTANT_EVAL_ONLY)) + + if (walk_state->walk_type & ACPI_WALK_METHOD_RESTART) { + + /* We are restarting a preempted control method */ + + if (acpi_ps_has_completed_scope(parser_state)) { + /* + * We must check if a predicate to an IF or WHILE statement + * was just completed + */ + if ((parser_state->scope->parse_scope.op) && + ((parser_state->scope->parse_scope.op->common. + aml_opcode == AML_IF_OP) + || (parser_state->scope->parse_scope.op->common. + aml_opcode == AML_WHILE_OP)) + && (walk_state->control_state) + && (walk_state->control_state->common.state == + ACPI_CONTROL_PREDICATE_EXECUTING)) { + /* + * A predicate was just completed, get the value of the + * predicate and branch based on that value + */ + walk_state->op = NULL; + status = + acpi_ds_get_predicate_value(walk_state, + ACPI_TO_POINTER + (TRUE)); + if (ACPI_FAILURE(status) + && ((status & AE_CODE_MASK) != + AE_CODE_CONTROL)) { + if (status == AE_AML_NO_RETURN_VALUE) { + ACPI_EXCEPTION((AE_INFO, status, + "Invoked method did not return a value")); + + } + + ACPI_EXCEPTION((AE_INFO, status, + "GetPredicate Failed")); + return_ACPI_STATUS(status); + } + + status = + acpi_ps_next_parse_state(walk_state, op, + status); + } + + acpi_ps_pop_scope(parser_state, &op, + &walk_state->arg_types, + &walk_state->arg_count); + ACPI_DEBUG_PRINT((ACPI_DB_PARSE, + "Popped scope, Op=%p\n", op)); + } else if (walk_state->prev_op) { + + /* We were in the middle of an op */ + + op = walk_state->prev_op; + walk_state->arg_types = walk_state->prev_arg_types; + } + } +#endif + + /* Iterative parsing loop, while there is more AML to process: */ + + while ((parser_state->aml < parser_state->aml_end) || (op)) { + aml_op_start = parser_state->aml; + if (!op) { + status = + acpi_ps_create_op(walk_state, aml_op_start, &op); + if (ACPI_FAILURE(status)) { + if (status == AE_CTRL_PARSE_CONTINUE) { + continue; + } + + if (status == AE_CTRL_PARSE_PENDING) { + status = AE_OK; + } + + status = + acpi_ps_complete_op(walk_state, &op, + status); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + + continue; + } + + op->common.aml_offset = walk_state->aml_offset; + + if (walk_state->op_info) { + ACPI_DEBUG_PRINT((ACPI_DB_PARSE, + "Opcode %4.4X [%s] Op %p Aml %p AmlOffset %5.5X\n", + (u32) op->common.aml_opcode, + walk_state->op_info->name, op, + parser_state->aml, + op->common.aml_offset)); + } + } + + /* + * Start arg_count at zero because we don't know if there are + * any args yet + */ + walk_state->arg_count = 0; + + /* Are there any arguments that must be processed? */ + + if (walk_state->arg_types) { + + /* Get arguments */ + + status = + acpi_ps_get_arguments(walk_state, aml_op_start, op); + if (ACPI_FAILURE(status)) { + status = + acpi_ps_complete_op(walk_state, &op, + status); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + + continue; + } + } + + /* Check for arguments that need to be processed */ + + if (walk_state->arg_count) { + /* + * There are arguments (complex ones), push Op and + * prepare for argument + */ + status = acpi_ps_push_scope(parser_state, op, + walk_state->arg_types, + walk_state->arg_count); + if (ACPI_FAILURE(status)) { + status = + acpi_ps_complete_op(walk_state, &op, + status); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + + continue; + } + + op = NULL; + continue; + } + + /* + * All arguments have been processed -- Op is complete, + * prepare for next + */ + walk_state->op_info = + acpi_ps_get_opcode_info(op->common.aml_opcode); + if (walk_state->op_info->flags & AML_NAMED) { + if (acpi_gbl_depth) { + acpi_gbl_depth--; + } + + if (op->common.aml_opcode == AML_REGION_OP) { + /* + * Skip parsing of control method or opregion body, + * because we don't have enough info in the first pass + * to parse them correctly. + * + * Completed parsing an op_region declaration, we now + * know the length. + */ + op->named.length = + (u32) (parser_state->aml - op->named.data); + } + } + + if (walk_state->op_info->flags & AML_CREATE) { + /* + * Backup to beginning of create_xXXfield declaration (1 for + * Opcode) + * + * body_length is unknown until we parse the body + */ + op->named.length = + (u32) (parser_state->aml - op->named.data); + } + + /* This op complete, notify the dispatcher */ + + if (walk_state->ascending_callback != NULL) { + walk_state->op = op; + walk_state->opcode = op->common.aml_opcode; + + status = walk_state->ascending_callback(walk_state); + status = + acpi_ps_next_parse_state(walk_state, op, status); + if (status == AE_CTRL_PENDING) { + status = AE_OK; + } + } + + status = acpi_ps_complete_op(walk_state, &op, status); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + + } /* while parser_state->Aml */ + + status = acpi_ps_complete_final_op(walk_state, op, status); + return_ACPI_STATUS(status); +} diff --git a/drivers/acpi/parser/psopcode.c b/drivers/acpi/parser/psopcode.c index 4bd25e32769..16d8b6cc3c2 100644 --- a/drivers/acpi/parser/psopcode.c +++ b/drivers/acpi/parser/psopcode.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/parser/psparse.c b/drivers/acpi/parser/psparse.c index a02aa62fe1e..5d63f48e56b 100644 --- a/drivers/acpi/parser/psparse.c +++ b/drivers/acpi/parser/psparse.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -540,6 +540,11 @@ acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state) if ((status == AE_ALREADY_EXISTS) && (!walk_state->method_desc->method.mutex)) { + ACPI_INFO((AE_INFO, + "Marking method %4.4s as Serialized", + walk_state->method_node->name. + ascii)); + /* * Method tried to create an object twice. The probable cause is * that the method cannot handle reentrancy. diff --git a/drivers/acpi/parser/psscope.c b/drivers/acpi/parser/psscope.c index a3e0314de24..77cfa4ed0cf 100644 --- a/drivers/acpi/parser/psscope.c +++ b/drivers/acpi/parser/psscope.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/parser/pstree.c b/drivers/acpi/parser/pstree.c index 0015717ef09..966e7ea2a0c 100644 --- a/drivers/acpi/parser/pstree.c +++ b/drivers/acpi/parser/pstree.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/parser/psutils.c b/drivers/acpi/parser/psutils.c index d405387b741..8ca52002db5 100644 --- a/drivers/acpi/parser/psutils.c +++ b/drivers/acpi/parser/psutils.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/parser/pswalk.c b/drivers/acpi/parser/pswalk.c index a84a547a0f1..49f9757434e 100644 --- a/drivers/acpi/parser/pswalk.c +++ b/drivers/acpi/parser/pswalk.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/parser/psxface.c b/drivers/acpi/parser/psxface.c index 5d996c1140a..94103bced75 100644 --- a/drivers/acpi/parser/psxface.c +++ b/drivers/acpi/parser/psxface.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -54,8 +54,6 @@ static void acpi_ps_start_trace(struct acpi_evaluate_info *info); static void acpi_ps_stop_trace(struct acpi_evaluate_info *info); -static acpi_status acpi_ps_execute_pass(struct acpi_evaluate_info *info); - static void acpi_ps_update_parameter_list(struct acpi_evaluate_info *info, u16 action); @@ -215,6 +213,8 @@ static void acpi_ps_stop_trace(struct acpi_evaluate_info *info) acpi_status acpi_ps_execute_method(struct acpi_evaluate_info *info) { acpi_status status; + union acpi_parse_object *op; + struct acpi_walk_state *walk_state; ACPI_FUNCTION_TRACE(ps_execute_method); @@ -234,8 +234,7 @@ acpi_status acpi_ps_execute_method(struct acpi_evaluate_info *info) } /* - * The caller "owns" the parameters, so give each one an extra - * reference + * The caller "owns" the parameters, so give each one an extra reference */ acpi_ps_update_parameter_list(info, REF_INCREMENT); @@ -244,30 +243,50 @@ acpi_status acpi_ps_execute_method(struct acpi_evaluate_info *info) acpi_ps_start_trace(info); /* - * 1) Perform the first pass parse of the method to enter any - * named objects that it creates into the namespace + * Execute the method. Performs parse simultaneously */ ACPI_DEBUG_PRINT((ACPI_DB_PARSE, - "**** Begin Method Parse **** Entry=%p obj=%p\n", - info->resolved_node, info->obj_desc)); + "**** Begin Method Parse/Execute [%4.4s] **** Node=%p Obj=%p\n", + info->resolved_node->name.ascii, info->resolved_node, + info->obj_desc)); + + /* Create and init a Root Node */ + + op = acpi_ps_create_scope_op(); + if (!op) { + status = AE_NO_MEMORY; + goto cleanup; + } + + /* Create and initialize a new walk state */ + + info->pass_number = ACPI_IMODE_EXECUTE; + walk_state = + acpi_ds_create_walk_state(info->obj_desc->method.owner_id, NULL, + NULL, NULL); + if (!walk_state) { + status = AE_NO_MEMORY; + goto cleanup; + } - info->pass_number = 1; - status = acpi_ps_execute_pass(info); + status = acpi_ds_init_aml_walk(walk_state, op, info->resolved_node, + info->obj_desc->method.aml_start, + info->obj_desc->method.aml_length, info, + info->pass_number); if (ACPI_FAILURE(status)) { + acpi_ds_delete_walk_state(walk_state); goto cleanup; } - /* - * 2) Execute the method. Performs second pass parse simultaneously - */ - ACPI_DEBUG_PRINT((ACPI_DB_PARSE, - "**** Begin Method Execution **** Entry=%p obj=%p\n", - info->resolved_node, info->obj_desc)); + /* Parse the AML */ - info->pass_number = 3; - status = acpi_ps_execute_pass(info); + status = acpi_ps_parse_aml(walk_state); + + /* walk_state was deleted by parse_aml */ cleanup: + acpi_ps_delete_parse_tree(op); + /* End optional tracing */ acpi_ps_stop_trace(info); @@ -330,62 +349,3 @@ acpi_ps_update_parameter_list(struct acpi_evaluate_info *info, u16 action) } } } - -/******************************************************************************* - * - * FUNCTION: acpi_ps_execute_pass - * - * PARAMETERS: Info - See struct acpi_evaluate_info - * (Used: pass_number, Node, and obj_desc) - * - * RETURN: Status - * - * DESCRIPTION: Single AML pass: Parse or Execute a control method - * - ******************************************************************************/ - -static acpi_status acpi_ps_execute_pass(struct acpi_evaluate_info *info) -{ - acpi_status status; - union acpi_parse_object *op; - struct acpi_walk_state *walk_state; - - ACPI_FUNCTION_TRACE(ps_execute_pass); - - /* Create and init a Root Node */ - - op = acpi_ps_create_scope_op(); - if (!op) { - return_ACPI_STATUS(AE_NO_MEMORY); - } - - /* Create and initialize a new walk state */ - - walk_state = - acpi_ds_create_walk_state(info->obj_desc->method.owner_id, NULL, - NULL, NULL); - if (!walk_state) { - status = AE_NO_MEMORY; - goto cleanup; - } - - status = acpi_ds_init_aml_walk(walk_state, op, info->resolved_node, - info->obj_desc->method.aml_start, - info->obj_desc->method.aml_length, - info->pass_number == 1 ? NULL : info, - info->pass_number); - if (ACPI_FAILURE(status)) { - acpi_ds_delete_walk_state(walk_state); - goto cleanup; - } - - /* Parse the AML */ - - status = acpi_ps_parse_aml(walk_state); - - /* Walk state was deleted by parse_aml */ - - cleanup: - acpi_ps_delete_parse_tree(op); - return_ACPI_STATUS(status); -} diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c index 481e633bbf4..0f683c8c6fb 100644 --- a/drivers/acpi/pci_link.c +++ b/drivers/acpi/pci_link.c @@ -513,7 +513,7 @@ int __init acpi_irq_penalty_init(void) } } /* Add a penalty for the SCI */ - acpi_irq_penalty[acpi_fadt.sci_int] += PIRQ_PENALTY_PCI_USING; + acpi_irq_penalty[acpi_gbl_FADT.sci_interrupt] += PIRQ_PENALTY_PCI_USING; return 0; } @@ -785,7 +785,7 @@ static int irqrouter_resume(struct sys_device *dev) /* Make sure SCI is enabled again (Apple firmware bug?) */ - acpi_set_register(ACPI_BITREG_SCI_ENABLE, 1, ACPI_MTX_DO_NOT_LOCK); + acpi_set_register(ACPI_BITREG_SCI_ENABLE, 1); list_for_each(node, &acpi_link.entries) { link = list_entry(node, struct acpi_pci_link, node); diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c index a860efa2c56..4ecf701687e 100644 --- a/drivers/acpi/pci_root.c +++ b/drivers/acpi/pci_root.c @@ -117,6 +117,19 @@ void acpi_pci_unregister_driver(struct acpi_pci_driver *driver) EXPORT_SYMBOL(acpi_pci_unregister_driver); +acpi_handle acpi_get_pci_rootbridge_handle(unsigned int seg, unsigned int bus) +{ + struct acpi_pci_root *tmp; + + list_for_each_entry(tmp, &acpi_pci_roots, node) { + if ((tmp->id.segment == (u16) seg) && (tmp->id.bus == (u16) bus)) + return tmp->device->handle; + } + return NULL; +} + +EXPORT_SYMBOL_GPL(acpi_get_pci_rootbridge_handle); + static acpi_status get_root_bridge_busnr_callback(struct acpi_resource *resource, void *data) { @@ -152,6 +165,21 @@ static acpi_status try_get_root_bridge_busnr(acpi_handle handle, int *busnum) return AE_OK; } +static void acpi_pci_bridge_scan(struct acpi_device *device) +{ + int status; + struct acpi_device *child = NULL; + + if (device->flags.bus_address) + if (device->parent && device->parent->ops.bind) { + status = device->parent->ops.bind(device); + if (!status) { + list_for_each_entry(child, &device->children, node) + acpi_pci_bridge_scan(child); + } + } +} + static int acpi_pci_root_add(struct acpi_device *device) { int result = 0; @@ -160,6 +188,7 @@ static int acpi_pci_root_add(struct acpi_device *device) acpi_status status = AE_OK; unsigned long value = 0; acpi_handle handle = NULL; + struct acpi_device *child; if (!device) @@ -175,9 +204,6 @@ static int acpi_pci_root_add(struct acpi_device *device) strcpy(acpi_device_class(device), ACPI_PCI_ROOT_CLASS); acpi_driver_data(device) = root; - /* - * TBD: Doesn't the bus driver automatically set this? - */ device->ops.bind = acpi_pci_bind; /* @@ -299,6 +325,12 @@ static int acpi_pci_root_add(struct acpi_device *device) result = acpi_pci_irq_add_prt(device->handle, root->id.segment, root->id.bus); + /* + * Scan and bind all _ADR-Based Devices + */ + list_for_each_entry(child, &device->children, node) + acpi_pci_bridge_scan(child); + end: if (result) { if (!list_empty(&root->node)) diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c index 5f9496d59ed..0079bc51082 100644 --- a/drivers/acpi/processor_core.c +++ b/drivers/acpi/processor_core.c @@ -375,30 +375,126 @@ static int acpi_processor_remove_fs(struct acpi_device *device) } /* Use the acpiid in MADT to map cpus in case of SMP */ + #ifndef CONFIG_SMP -#define convert_acpiid_to_cpu(acpi_id) (-1) +static int get_cpu_id(acpi_handle handle, u32 acpi_id) {return -1;} #else +static struct acpi_table_madt *madt; + +static int map_lapic_id(struct acpi_subtable_header *entry, + u32 acpi_id, int *apic_id) +{ + struct acpi_madt_local_apic *lapic = + (struct acpi_madt_local_apic *)entry; + if ((lapic->lapic_flags & ACPI_MADT_ENABLED) && + lapic->processor_id == acpi_id) { + *apic_id = lapic->id; + return 1; + } + return 0; +} + +static int map_lsapic_id(struct acpi_subtable_header *entry, + u32 acpi_id, int *apic_id) +{ + struct acpi_madt_local_sapic *lsapic = + (struct acpi_madt_local_sapic *)entry; + /* Only check enabled APICs*/ + if (lsapic->lapic_flags & ACPI_MADT_ENABLED) { + /* First check against id */ + if (lsapic->processor_id == acpi_id) { + *apic_id = lsapic->id; + return 1; + /* Check against optional uid */ + } else if (entry->length >= 16 && + lsapic->uid == acpi_id) { + *apic_id = lsapic->uid; + return 1; + } + } + return 0; +} + #ifdef CONFIG_IA64 -#define arch_acpiid_to_apicid ia64_acpiid_to_sapicid #define arch_cpu_to_apicid ia64_cpu_to_sapicid -#define ARCH_BAD_APICID (0xffff) #else -#define arch_acpiid_to_apicid x86_acpiid_to_apicid #define arch_cpu_to_apicid x86_cpu_to_apicid -#define ARCH_BAD_APICID (0xff) #endif -static int convert_acpiid_to_cpu(u8 acpi_id) +static int map_madt_entry(u32 acpi_id) +{ + unsigned long madt_end, entry; + int apic_id = -1; + + if (!madt) + return apic_id; + + entry = (unsigned long)madt; + madt_end = entry + madt->header.length; + + /* Parse all entries looking for a match. */ + + entry += sizeof(struct acpi_table_madt); + while (entry + sizeof(struct acpi_subtable_header) < madt_end) { + struct acpi_subtable_header *header = + (struct acpi_subtable_header *)entry; + if (header->type == ACPI_MADT_TYPE_LOCAL_APIC) { + if (map_lapic_id(header, acpi_id, &apic_id)) + break; + } else if (header->type == ACPI_MADT_TYPE_LOCAL_SAPIC) { + if (map_lsapic_id(header, acpi_id, &apic_id)) + break; + } + entry += header->length; + } + return apic_id; +} + +static int map_mat_entry(acpi_handle handle, u32 acpi_id) +{ + struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; + union acpi_object *obj; + struct acpi_subtable_header *header; + int apic_id = -1; + + if (ACPI_FAILURE(acpi_evaluate_object(handle, "_MAT", NULL, &buffer))) + goto exit; + + if (!buffer.length || !buffer.pointer) + goto exit; + + obj = buffer.pointer; + if (obj->type != ACPI_TYPE_BUFFER || + obj->buffer.length < sizeof(struct acpi_subtable_header)) { + goto exit; + } + + header = (struct acpi_subtable_header *)obj->buffer.pointer; + if (header->type == ACPI_MADT_TYPE_LOCAL_APIC) { + map_lapic_id(header, acpi_id, &apic_id); + } else if (header->type == ACPI_MADT_TYPE_LOCAL_SAPIC) { + map_lsapic_id(header, acpi_id, &apic_id); + } + +exit: + if (buffer.pointer) + kfree(buffer.pointer); + return apic_id; +} + +static int get_cpu_id(acpi_handle handle, u32 acpi_id) { - u16 apic_id; int i; + int apic_id = -1; - apic_id = arch_acpiid_to_apicid[acpi_id]; - if (apic_id == ARCH_BAD_APICID) - return -1; + apic_id = map_mat_entry(handle, acpi_id); + if (apic_id == -1) + apic_id = map_madt_entry(acpi_id); + if (apic_id == -1) + return apic_id; - for (i = 0; i < NR_CPUS; i++) { + for (i = 0; i < NR_CPUS; ++i) { if (arch_cpu_to_apicid[i] == apic_id) return i; } @@ -410,7 +506,7 @@ static int convert_acpiid_to_cpu(u8 acpi_id) Driver Interface -------------------------------------------------------------------------- */ -static int acpi_processor_get_info(struct acpi_processor *pr) +static int acpi_processor_get_info(struct acpi_processor *pr, unsigned has_uid) { acpi_status status = 0; union acpi_object object = { 0 }; @@ -431,7 +527,7 @@ static int acpi_processor_get_info(struct acpi_processor *pr) * Check to see if we have bus mastering arbitration control. This * is required for proper C3 usage (to maintain cache coherency). */ - if (acpi_fadt.V1_pm2_cnt_blk && acpi_fadt.pm2_cnt_len) { + if (acpi_gbl_FADT.pm2_control_block && acpi_gbl_FADT.pm2_control_length) { pr->flags.bm_control = 1; ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Bus mastering arbitration control present\n")); @@ -439,24 +535,35 @@ static int acpi_processor_get_info(struct acpi_processor *pr) ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No bus mastering arbitration control\n")); - /* - * Evalute the processor object. Note that it is common on SMP to - * have the first (boot) processor with a valid PBLK address while - * all others have a NULL address. - */ - status = acpi_evaluate_object(pr->handle, NULL, NULL, &buffer); - if (ACPI_FAILURE(status)) { - printk(KERN_ERR PREFIX "Evaluating processor object\n"); - return -ENODEV; - } - - /* - * TBD: Synch processor ID (via LAPIC/LSAPIC structures) on SMP. - * >>> 'acpi_get_processor_id(acpi_id, &id)' in arch/xxx/acpi.c - */ - pr->acpi_id = object.processor.proc_id; + /* Check if it is a Device with HID and UID */ + if (has_uid) { + unsigned long value; + status = acpi_evaluate_integer(pr->handle, METHOD_NAME__UID, + NULL, &value); + if (ACPI_FAILURE(status)) { + printk(KERN_ERR PREFIX "Evaluating processor _UID\n"); + return -ENODEV; + } + pr->acpi_id = value; + } else { + /* + * Evalute the processor object. Note that it is common on SMP to + * have the first (boot) processor with a valid PBLK address while + * all others have a NULL address. + */ + status = acpi_evaluate_object(pr->handle, NULL, NULL, &buffer); + if (ACPI_FAILURE(status)) { + printk(KERN_ERR PREFIX "Evaluating processor object\n"); + return -ENODEV; + } - cpu_index = convert_acpiid_to_cpu(pr->acpi_id); + /* + * TBD: Synch processor ID (via LAPIC/LSAPIC structures) on SMP. + * >>> 'acpi_get_processor_id(acpi_id, &id)' in arch/xxx/acpi.c + */ + pr->acpi_id = object.processor.proc_id; + } + cpu_index = get_cpu_id(pr->handle, pr->acpi_id); /* Handle UP system running SMP kernel, with no LAPIC in MADT */ if (!cpu0_initialized && (cpu_index == -1) && @@ -473,7 +580,7 @@ static int acpi_processor_get_info(struct acpi_processor *pr) * less than the max # of CPUs. They should be ignored _iff * they are physically not present. */ - if (cpu_index == -1) { + if (pr->id == -1) { if (ACPI_FAILURE (acpi_processor_hotadd_init(pr->handle, &pr->id))) { return -ENODEV; @@ -490,8 +597,8 @@ static int acpi_processor_get_info(struct acpi_processor *pr) object.processor.pblk_length); else { pr->throttling.address = object.processor.pblk_address; - pr->throttling.duty_offset = acpi_fadt.duty_offset; - pr->throttling.duty_width = acpi_fadt.duty_width; + pr->throttling.duty_offset = acpi_gbl_FADT.duty_offset; + pr->throttling.duty_width = acpi_gbl_FADT.duty_width; pr->pblk = object.processor.pblk_address; @@ -525,7 +632,7 @@ static int __cpuinit acpi_processor_start(struct acpi_device *device) pr = acpi_driver_data(device); - result = acpi_processor_get_info(pr); + result = acpi_processor_get_info(pr, device->flags.unique_id); if (result) { /* Processor is physically not present */ return 0; @@ -707,7 +814,7 @@ int acpi_processor_device_add(acpi_handle handle, struct acpi_device **device) return -ENODEV; if ((pr->id >= 0) && (pr->id < NR_CPUS)) { - kobject_uevent(&(*device)->kobj, KOBJ_ONLINE); + kobject_uevent(&(*device)->dev.kobj, KOBJ_ONLINE); } return 0; } @@ -745,13 +852,13 @@ acpi_processor_hotplug_notify(acpi_handle handle, u32 event, void *data) } if (pr->id >= 0 && (pr->id < NR_CPUS)) { - kobject_uevent(&device->kobj, KOBJ_OFFLINE); + kobject_uevent(&device->dev.kobj, KOBJ_OFFLINE); break; } result = acpi_processor_start(device); if ((!result) && ((pr->id >= 0) && (pr->id < NR_CPUS))) { - kobject_uevent(&device->kobj, KOBJ_ONLINE); + kobject_uevent(&device->dev.kobj, KOBJ_ONLINE); } else { printk(KERN_ERR PREFIX "Device [%s] failed to start\n", acpi_device_bid(device)); @@ -774,7 +881,7 @@ acpi_processor_hotplug_notify(acpi_handle handle, u32 event, void *data) } if ((pr->id < NR_CPUS) && (cpu_present(pr->id))) - kobject_uevent(&device->kobj, KOBJ_OFFLINE); + kobject_uevent(&device->dev.kobj, KOBJ_OFFLINE); break; default: ACPI_DEBUG_PRINT((ACPI_DB_INFO, @@ -895,6 +1002,12 @@ static int __init acpi_processor_init(void) memset(&processors, 0, sizeof(processors)); memset(&errata, 0, sizeof(errata)); +#ifdef CONFIG_SMP + if (ACPI_FAILURE(acpi_get_table(ACPI_SIG_MADT, 0, + (struct acpi_table_header **)&madt))) + madt = 0; +#endif + acpi_processor_dir = proc_mkdir(ACPI_PROCESSOR_CLASS, acpi_root_dir); if (!acpi_processor_dir) return -ENOMEM; diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index 3f30af21574..6c6751b1405 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -160,7 +160,7 @@ static inline u32 ticks_elapsed(u32 t1, u32 t2) { if (t2 >= t1) return (t2 - t1); - else if (!acpi_fadt.tmr_val_ext) + else if (!(acpi_gbl_FADT.flags & ACPI_FADT_32BIT_TIMER)) return (((0x00FFFFFF - t1) + t2) & 0x00FFFFFF); else return ((0xFFFFFFFF - t1) + t2); @@ -187,8 +187,7 @@ acpi_processor_power_activate(struct acpi_processor *pr, case ACPI_STATE_C3: /* Disable bus master reload */ if (new->type != ACPI_STATE_C3 && pr->flags.bm_check) - acpi_set_register(ACPI_BITREG_BUS_MASTER_RLD, 0, - ACPI_MTX_DO_NOT_LOCK); + acpi_set_register(ACPI_BITREG_BUS_MASTER_RLD, 0); break; } } @@ -198,8 +197,7 @@ acpi_processor_power_activate(struct acpi_processor *pr, case ACPI_STATE_C3: /* Enable bus master reload */ if (old->type != ACPI_STATE_C3 && pr->flags.bm_check) - acpi_set_register(ACPI_BITREG_BUS_MASTER_RLD, 1, - ACPI_MTX_DO_NOT_LOCK); + acpi_set_register(ACPI_BITREG_BUS_MASTER_RLD, 1); break; } @@ -236,7 +234,7 @@ static void acpi_cstate_enter(struct acpi_processor_cx *cstate) /* Dummy wait op - must do something useless after P_LVL2 read because chipsets cannot guarantee that STPCLK# signal gets asserted in time to freeze execution properly. */ - unused = inl(acpi_fadt.xpm_tmr_blk.address); + unused = inl(acpi_gbl_FADT.xpm_timer_block.address); } } @@ -291,12 +289,10 @@ static void acpi_processor_idle(void) pr->power.bm_activity <<= diff; - acpi_get_register(ACPI_BITREG_BUS_MASTER_STATUS, - &bm_status, ACPI_MTX_DO_NOT_LOCK); + acpi_get_register(ACPI_BITREG_BUS_MASTER_STATUS, &bm_status); if (bm_status) { pr->power.bm_activity |= 0x1; - acpi_set_register(ACPI_BITREG_BUS_MASTER_STATUS, - 1, ACPI_MTX_DO_NOT_LOCK); + acpi_set_register(ACPI_BITREG_BUS_MASTER_STATUS, 1); } /* * PIIX4 Erratum #18: Note that BM_STS doesn't always reflect @@ -338,7 +334,7 @@ static void acpi_processor_idle(void) * detection phase, to work cleanly with logical CPU hotplug. */ if ((cx->type != ACPI_STATE_C1) && (num_online_cpus() > 1) && - !pr->flags.has_cst && !acpi_fadt.plvl2_up) + !pr->flags.has_cst && !(acpi_gbl_FADT.flags & ACPI_FADT_C2_MP_SUPPORTED)) cx = &pr->power.states[ACPI_STATE_C1]; #endif @@ -384,11 +380,11 @@ static void acpi_processor_idle(void) case ACPI_STATE_C2: /* Get start time (ticks) */ - t1 = inl(acpi_fadt.xpm_tmr_blk.address); + t1 = inl(acpi_gbl_FADT.xpm_timer_block.address); /* Invoke C2 */ acpi_cstate_enter(cx); /* Get end time (ticks) */ - t2 = inl(acpi_fadt.xpm_tmr_blk.address); + t2 = inl(acpi_gbl_FADT.xpm_timer_block.address); #ifdef CONFIG_GENERIC_TIME /* TSC halts in C2, so notify users */ @@ -411,8 +407,7 @@ static void acpi_processor_idle(void) * All CPUs are trying to go to C3 * Disable bus master arbitration */ - acpi_set_register(ACPI_BITREG_ARB_DISABLE, 1, - ACPI_MTX_DO_NOT_LOCK); + acpi_set_register(ACPI_BITREG_ARB_DISABLE, 1); } } else { /* SMP with no shared cache... Invalidate cache */ @@ -420,16 +415,15 @@ static void acpi_processor_idle(void) } /* Get start time (ticks) */ - t1 = inl(acpi_fadt.xpm_tmr_blk.address); + t1 = inl(acpi_gbl_FADT.xpm_timer_block.address); /* Invoke C3 */ acpi_cstate_enter(cx); /* Get end time (ticks) */ - t2 = inl(acpi_fadt.xpm_tmr_blk.address); + t2 = inl(acpi_gbl_FADT.xpm_timer_block.address); if (pr->flags.bm_check) { /* Enable bus master arbitration */ atomic_dec(&c3_cpu_count); - acpi_set_register(ACPI_BITREG_ARB_DISABLE, 0, - ACPI_MTX_DO_NOT_LOCK); + acpi_set_register(ACPI_BITREG_ARB_DISABLE, 0); } #ifdef CONFIG_GENERIC_TIME @@ -457,7 +451,7 @@ static void acpi_processor_idle(void) #ifdef CONFIG_HOTPLUG_CPU /* Don't do promotion/demotion */ if ((cx->type == ACPI_STATE_C1) && (num_online_cpus() > 1) && - !pr->flags.has_cst && !acpi_fadt.plvl2_up) { + !pr->flags.has_cst && !(acpi_gbl_FADT.flags & ACPI_FADT_C2_MP_SUPPORTED)) { next_state = cx; goto end; } @@ -627,7 +621,8 @@ static int acpi_processor_get_power_info_fadt(struct acpi_processor *pr) * Check for P_LVL2_UP flag before entering C2 and above on * an SMP system. */ - if ((num_online_cpus() > 1) && !acpi_fadt.plvl2_up) + if ((num_online_cpus() > 1) && + !(acpi_gbl_FADT.flags & ACPI_FADT_C2_MP_SUPPORTED)) return -ENODEV; #endif @@ -636,8 +631,8 @@ static int acpi_processor_get_power_info_fadt(struct acpi_processor *pr) pr->power.states[ACPI_STATE_C3].address = pr->pblk + 5; /* determine latencies from FADT */ - pr->power.states[ACPI_STATE_C2].latency = acpi_fadt.plvl2_lat; - pr->power.states[ACPI_STATE_C3].latency = acpi_fadt.plvl3_lat; + pr->power.states[ACPI_STATE_C2].latency = acpi_gbl_FADT.C2latency; + pr->power.states[ACPI_STATE_C3].latency = acpi_gbl_FADT.C3latency; ACPI_DEBUG_PRINT((ACPI_DB_INFO, "lvl2[0x%08x] lvl3[0x%08x]\n", @@ -883,14 +878,13 @@ static void acpi_processor_power_verify_c3(struct acpi_processor *pr, * WBINVD should be set in fadt, for C3 state to be * supported on when bm_check is not required. */ - if (acpi_fadt.wb_invd != 1) { + if (!(acpi_gbl_FADT.flags & ACPI_FADT_WBINVD)) { ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Cache invalidation should work properly" " for C3 to be enabled on SMP systems\n")); return; } - acpi_set_register(ACPI_BITREG_BUS_MASTER_RLD, - 0, ACPI_MTX_DO_NOT_LOCK); + acpi_set_register(ACPI_BITREG_BUS_MASTER_RLD, 0); } /* @@ -1096,7 +1090,7 @@ static int acpi_processor_power_seq_show(struct seq_file *seq, void *offset) seq_printf(seq, "latency[%03d] usage[%08d] duration[%020llu]\n", pr->power.states[i].latency, pr->power.states[i].usage, - pr->power.states[i].time); + (unsigned long long)pr->power.states[i].time); } end: @@ -1164,9 +1158,9 @@ int __cpuinit acpi_processor_power_init(struct acpi_processor *pr, if (!pr) return -EINVAL; - if (acpi_fadt.cst_cnt && !nocst) { + if (acpi_gbl_FADT.cst_control && !nocst) { status = - acpi_os_write_port(acpi_fadt.smi_cmd, acpi_fadt.cst_cnt, 8); + acpi_os_write_port(acpi_gbl_FADT.smi_command, acpi_gbl_FADT.cst_control, 8); if (ACPI_FAILURE(status)) { ACPI_EXCEPTION((AE_INFO, status, "Notifying BIOS of _CST ability failed")); diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c index cbb6f0814ce..058f13cf3b7 100644 --- a/drivers/acpi/processor_perflib.c +++ b/drivers/acpi/processor_perflib.c @@ -352,31 +352,24 @@ int acpi_processor_notify_smm(struct module *calling_module) is_done = -EIO; - /* Can't write pstate_cnt to smi_cmd if either value is zero */ - if ((!acpi_fadt.smi_cmd) || (!acpi_fadt.pstate_cnt)) { - ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No SMI port or pstate_cnt\n")); + /* Can't write pstate_control to smi_command if either value is zero */ + if ((!acpi_gbl_FADT.smi_command) || (!acpi_gbl_FADT.pstate_control)) { + ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No SMI port or pstate_control\n")); module_put(calling_module); return 0; } ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "Writing pstate_cnt [0x%x] to smi_cmd [0x%x]\n", - acpi_fadt.pstate_cnt, acpi_fadt.smi_cmd)); + "Writing pstate_control [0x%x] to smi_command [0x%x]\n", + acpi_gbl_FADT.pstate_control, acpi_gbl_FADT.smi_command)); - /* FADT v1 doesn't support pstate_cnt, many BIOS vendors use - * it anyway, so we need to support it... */ - if (acpi_fadt_is_v1) { - ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "Using v1.0 FADT reserved value for pstate_cnt\n")); - } - - status = acpi_os_write_port(acpi_fadt.smi_cmd, - (u32) acpi_fadt.pstate_cnt, 8); + status = acpi_os_write_port(acpi_gbl_FADT.smi_command, + (u32) acpi_gbl_FADT.pstate_control, 8); if (ACPI_FAILURE(status)) { ACPI_EXCEPTION((AE_INFO, status, - "Failed to write pstate_cnt [0x%x] to " - "smi_cmd [0x%x]", acpi_fadt.pstate_cnt, - acpi_fadt.smi_cmd)); + "Failed to write pstate_control [0x%x] to " + "smi_command [0x%x]", acpi_gbl_FADT.pstate_control, + acpi_gbl_FADT.smi_command)); module_put(calling_module); return status; } diff --git a/drivers/acpi/processor_throttling.c b/drivers/acpi/processor_throttling.c index 0ec7dcde006..89dff3639ab 100644 --- a/drivers/acpi/processor_throttling.c +++ b/drivers/acpi/processor_throttling.c @@ -125,7 +125,7 @@ int acpi_processor_set_throttling(struct acpi_processor *pr, int state) /* Used to clear all duty_value bits */ duty_mask = pr->throttling.state_count - 1; - duty_mask <<= acpi_fadt.duty_offset; + duty_mask <<= acpi_gbl_FADT.duty_offset; duty_mask = ~duty_mask; } @@ -208,7 +208,7 @@ int acpi_processor_get_throttling_info(struct acpi_processor *pr) return 0; } - pr->throttling.state_count = 1 << acpi_fadt.duty_width; + pr->throttling.state_count = 1 << acpi_gbl_FADT.duty_width; /* * Compute state values. Note that throttling displays a linear power/ diff --git a/drivers/acpi/resources/rsaddr.c b/drivers/acpi/resources/rsaddr.c index 8fa3213ce00..271e61509ee 100644 --- a/drivers/acpi/resources/rsaddr.c +++ b/drivers/acpi/resources/rsaddr.c @@ -5,7 +5,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/resources/rscalc.c b/drivers/acpi/resources/rscalc.c index cf87b023002..8c6d3fdec38 100644 --- a/drivers/acpi/resources/rscalc.c +++ b/drivers/acpi/resources/rscalc.c @@ -5,7 +5,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/resources/rscreate.c b/drivers/acpi/resources/rscreate.c index 008058acdd3..1358c06a969 100644 --- a/drivers/acpi/resources/rscreate.c +++ b/drivers/acpi/resources/rscreate.c @@ -5,7 +5,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/resources/rsdump.c b/drivers/acpi/resources/rsdump.c index 9c99a723a86..de20a5d6dec 100644 --- a/drivers/acpi/resources/rsdump.c +++ b/drivers/acpi/resources/rsdump.c @@ -5,7 +5,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/resources/rsinfo.c b/drivers/acpi/resources/rsinfo.c index 9e7ae2f8a1d..7e3c335ab32 100644 --- a/drivers/acpi/resources/rsinfo.c +++ b/drivers/acpi/resources/rsinfo.c @@ -5,7 +5,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/resources/rsio.c b/drivers/acpi/resources/rsio.c index ea567167c4f..b297bc3e441 100644 --- a/drivers/acpi/resources/rsio.c +++ b/drivers/acpi/resources/rsio.c @@ -5,7 +5,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/resources/rsirq.c b/drivers/acpi/resources/rsirq.c index 1fa63bc2e36..5657f7b9503 100644 --- a/drivers/acpi/resources/rsirq.c +++ b/drivers/acpi/resources/rsirq.c @@ -5,7 +5,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/resources/rslist.c b/drivers/acpi/resources/rslist.c index 29423ce030c..a92755c8877 100644 --- a/drivers/acpi/resources/rslist.c +++ b/drivers/acpi/resources/rslist.c @@ -5,7 +5,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/resources/rsmemory.c b/drivers/acpi/resources/rsmemory.c index a5131936d69..521eab7dd8d 100644 --- a/drivers/acpi/resources/rsmemory.c +++ b/drivers/acpi/resources/rsmemory.c @@ -5,7 +5,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/resources/rsmisc.c b/drivers/acpi/resources/rsmisc.c index faf6e106b78..3b63b561b94 100644 --- a/drivers/acpi/resources/rsmisc.c +++ b/drivers/acpi/resources/rsmisc.c @@ -5,7 +5,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/resources/rsutils.c b/drivers/acpi/resources/rsutils.c index a9cbee8e8b4..2442a8f8df5 100644 --- a/drivers/acpi/resources/rsutils.c +++ b/drivers/acpi/resources/rsutils.c @@ -5,7 +5,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/resources/rsxface.c b/drivers/acpi/resources/rsxface.c index 1999e2ab7da..991f8901498 100644 --- a/drivers/acpi/resources/rsxface.c +++ b/drivers/acpi/resources/rsxface.c @@ -5,7 +5,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 283d87522c5..64f26db10c8 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -21,101 +21,305 @@ extern struct acpi_device *acpi_root; #define ACPI_BUS_DEVICE_NAME "System Bus" static LIST_HEAD(acpi_device_list); +static LIST_HEAD(acpi_bus_id_list); DEFINE_SPINLOCK(acpi_device_lock); LIST_HEAD(acpi_wakeup_device_list); +struct acpi_device_bus_id{ + char bus_id[15]; + unsigned int instance_no; + struct list_head node; +}; +static int acpi_eject_operation(acpi_handle handle, int lockable) +{ + struct acpi_object_list arg_list; + union acpi_object arg; + acpi_status status = AE_OK; + + /* + * TBD: evaluate _PS3? + */ + + if (lockable) { + arg_list.count = 1; + arg_list.pointer = &arg; + arg.type = ACPI_TYPE_INTEGER; + arg.integer.value = 0; + acpi_evaluate_object(handle, "_LCK", &arg_list, NULL); + } + + arg_list.count = 1; + arg_list.pointer = &arg; + arg.type = ACPI_TYPE_INTEGER; + arg.integer.value = 1; + + /* + * TBD: _EJD support. + */ + + status = acpi_evaluate_object(handle, "_EJ0", &arg_list, NULL); + if (ACPI_FAILURE(status)) { + return (-ENODEV); + } + + return (0); +} -static void acpi_device_release(struct kobject *kobj) +static ssize_t +acpi_eject_store(struct device *d, struct device_attribute *attr, + const char *buf, size_t count) { - struct acpi_device *dev = container_of(kobj, struct acpi_device, kobj); - kfree(dev->pnp.cid_list); - kfree(dev); + int result; + int ret = count; + int islockable; + acpi_status status; + acpi_handle handle; + acpi_object_type type = 0; + struct acpi_device *acpi_device = to_acpi_device(d); + + if ((!count) || (buf[0] != '1')) { + return -EINVAL; + } +#ifndef FORCE_EJECT + if (acpi_device->driver == NULL) { + ret = -ENODEV; + goto err; + } +#endif + status = acpi_get_type(acpi_device->handle, &type); + if (ACPI_FAILURE(status) || (!acpi_device->flags.ejectable)) { + ret = -ENODEV; + goto err; + } + + islockable = acpi_device->flags.lockable; + handle = acpi_device->handle; + + result = acpi_bus_trim(acpi_device, 1); + + if (!result) + result = acpi_eject_operation(handle, islockable); + + if (result) { + ret = -EBUSY; + } + err: + return ret; } -struct acpi_device_attribute { - struct attribute attr; - ssize_t(*show) (struct acpi_device *, char *); - ssize_t(*store) (struct acpi_device *, const char *, size_t); -}; +static DEVICE_ATTR(eject, 0200, NULL, acpi_eject_store); + +static ssize_t +acpi_device_hid_show(struct device *dev, struct device_attribute *attr, char *buf) { + struct acpi_device *acpi_dev = to_acpi_device(dev); + + return sprintf(buf, "%s\n", acpi_dev->pnp.hardware_id); +} +static DEVICE_ATTR(hid, 0444, acpi_device_hid_show, NULL); + +static ssize_t +acpi_device_path_show(struct device *dev, struct device_attribute *attr, char *buf) { + struct acpi_device *acpi_dev = to_acpi_device(dev); + struct acpi_buffer path = {ACPI_ALLOCATE_BUFFER, NULL}; + int result; + + result = acpi_get_name(acpi_dev->handle, ACPI_FULL_PATHNAME, &path); + if(result) + goto end; + + result = sprintf(buf, "%s\n", (char*)path.pointer); + kfree(path.pointer); + end: + return result; +} +static DEVICE_ATTR(path, 0444, acpi_device_path_show, NULL); + +static int acpi_device_setup_files(struct acpi_device *dev) +{ + acpi_status status; + acpi_handle temp; + int result = 0; + + /* + * Devices gotten from FADT don't have a "path" attribute + */ + if(dev->handle) { + result = device_create_file(&dev->dev, &dev_attr_path); + if(result) + goto end; + } -typedef void acpi_device_sysfs_files(struct kobject *, - const struct attribute *); + if(dev->flags.hardware_id) { + result = device_create_file(&dev->dev, &dev_attr_hid); + if(result) + goto end; + } -static void setup_sys_fs_device_files(struct acpi_device *dev, - acpi_device_sysfs_files * func); + /* + * If device has _EJ0, 'eject' file is created that is used to trigger + * hot-removal function from userland. + */ + status = acpi_get_handle(dev->handle, "_EJ0", &temp); + if (ACPI_SUCCESS(status)) + result = device_create_file(&dev->dev, &dev_attr_eject); + end: + return result; +} -#define create_sysfs_device_files(dev) \ - setup_sys_fs_device_files(dev, (acpi_device_sysfs_files *)&sysfs_create_file) -#define remove_sysfs_device_files(dev) \ - setup_sys_fs_device_files(dev, (acpi_device_sysfs_files *)&sysfs_remove_file) +static void acpi_device_remove_files(struct acpi_device *dev) +{ + acpi_status status; + acpi_handle temp; -#define to_acpi_device(n) container_of(n, struct acpi_device, kobj) -#define to_handle_attr(n) container_of(n, struct acpi_device_attribute, attr); + /* + * If device has _EJ0, 'eject' file is created that is used to trigger + * hot-removal function from userland. + */ + status = acpi_get_handle(dev->handle, "_EJ0", &temp); + if (ACPI_SUCCESS(status)) + device_remove_file(&dev->dev, &dev_attr_eject); -static ssize_t acpi_device_attr_show(struct kobject *kobj, - struct attribute *attr, char *buf) + if(dev->flags.hardware_id) + device_remove_file(&dev->dev, &dev_attr_hid); + if(dev->handle) + device_remove_file(&dev->dev, &dev_attr_path); +} +/* -------------------------------------------------------------------------- + ACPI Bus operations + -------------------------------------------------------------------------- */ +static void acpi_device_release(struct device *dev) { - struct acpi_device *device = to_acpi_device(kobj); - struct acpi_device_attribute *attribute = to_handle_attr(attr); - return attribute->show ? attribute->show(device, buf) : -EIO; + struct acpi_device *acpi_dev = to_acpi_device(dev); + + kfree(acpi_dev->pnp.cid_list); + kfree(acpi_dev); } -static ssize_t acpi_device_attr_store(struct kobject *kobj, - struct attribute *attr, const char *buf, - size_t len) + +static int acpi_device_suspend(struct device *dev, pm_message_t state) { - struct acpi_device *device = to_acpi_device(kobj); - struct acpi_device_attribute *attribute = to_handle_attr(attr); - return attribute->store ? attribute->store(device, buf, len) : -EIO; + struct acpi_device *acpi_dev = to_acpi_device(dev); + struct acpi_driver *acpi_drv = acpi_dev->driver; + + if (acpi_drv && acpi_drv->ops.suspend) + return acpi_drv->ops.suspend(acpi_dev, state); + return 0; } -static struct sysfs_ops acpi_device_sysfs_ops = { - .show = acpi_device_attr_show, - .store = acpi_device_attr_store, -}; +static int acpi_device_resume(struct device *dev) +{ + struct acpi_device *acpi_dev = to_acpi_device(dev); + struct acpi_driver *acpi_drv = acpi_dev->driver; -static struct kobj_type ktype_acpi_ns = { - .sysfs_ops = &acpi_device_sysfs_ops, - .release = acpi_device_release, -}; + if (acpi_drv && acpi_drv->ops.resume) + return acpi_drv->ops.resume(acpi_dev); + return 0; +} -static int namespace_uevent(struct kset *kset, struct kobject *kobj, - char **envp, int num_envp, char *buffer, - int buffer_size) +static int acpi_bus_match(struct device *dev, struct device_driver *drv) { - struct acpi_device *dev = to_acpi_device(kobj); - int i = 0; - int len = 0; + struct acpi_device *acpi_dev = to_acpi_device(dev); + struct acpi_driver *acpi_drv = to_acpi_driver(drv); - if (!dev->driver) - return 0; + return !acpi_match_ids(acpi_dev, acpi_drv->ids); +} - if (add_uevent_var(envp, num_envp, &i, buffer, buffer_size, &len, - "PHYSDEVDRIVER=%s", dev->driver->name)) +static int acpi_device_uevent(struct device *dev, char **envp, int num_envp, + char *buffer, int buffer_size) +{ + struct acpi_device *acpi_dev = to_acpi_device(dev); + int i = 0, length = 0, ret = 0; + + if (acpi_dev->flags.hardware_id) + ret = add_uevent_var(envp, num_envp, &i, + buffer, buffer_size, &length, + "HWID=%s", acpi_dev->pnp.hardware_id); + if (ret) return -ENOMEM; + if (acpi_dev->flags.compatible_ids) { + int j; + struct acpi_compatible_id_list *cid_list; + + cid_list = acpi_dev->pnp.cid_list; + + for (j = 0; j < cid_list->count; j++) { + ret = add_uevent_var(envp, num_envp, &i, buffer, + buffer_size, &length, "COMPTID=%s", + cid_list->id[j].value); + if (ret) + return -ENOMEM; + } + } envp[i] = NULL; + return 0; +} + +static int acpi_bus_driver_init(struct acpi_device *, struct acpi_driver *); +static int acpi_start_single_object(struct acpi_device *); +static int acpi_device_probe(struct device * dev) +{ + struct acpi_device *acpi_dev = to_acpi_device(dev); + struct acpi_driver *acpi_drv = to_acpi_driver(dev->driver); + int ret; + + ret = acpi_bus_driver_init(acpi_dev, acpi_drv); + if (!ret) { + if (acpi_dev->bus_ops.acpi_op_start) + acpi_start_single_object(acpi_dev); + ACPI_DEBUG_PRINT((ACPI_DB_INFO, + "Found driver [%s] for device [%s]\n", + acpi_drv->name, acpi_dev->pnp.bus_id)); + get_device(dev); + } + return ret; +} +static int acpi_device_remove(struct device * dev) +{ + struct acpi_device *acpi_dev = to_acpi_device(dev); + struct acpi_driver *acpi_drv = acpi_dev->driver; + + if (acpi_drv) { + if (acpi_drv->ops.stop) + acpi_drv->ops.stop(acpi_dev, acpi_dev->removal_type); + if (acpi_drv->ops.remove) + acpi_drv->ops.remove(acpi_dev, acpi_dev->removal_type); + } + acpi_dev->driver = NULL; + acpi_driver_data(dev) = NULL; + + put_device(dev); return 0; } -static struct kset_uevent_ops namespace_uevent_ops = { - .uevent = &namespace_uevent, -}; +static void acpi_device_shutdown(struct device *dev) +{ + struct acpi_device *acpi_dev = to_acpi_device(dev); + struct acpi_driver *acpi_drv = acpi_dev->driver; + + if (acpi_drv && acpi_drv->ops.shutdown) + acpi_drv->ops.shutdown(acpi_dev); -static struct kset acpi_namespace_kset = { - .kobj = { - .name = "namespace", - }, - .subsys = &acpi_subsys, - .ktype = &ktype_acpi_ns, - .uevent_ops = &namespace_uevent_ops, + return ; +} + +static struct bus_type acpi_bus_type = { + .name = "acpi", + .suspend = acpi_device_suspend, + .resume = acpi_device_resume, + .shutdown = acpi_device_shutdown, + .match = acpi_bus_match, + .probe = acpi_device_probe, + .remove = acpi_device_remove, + .uevent = acpi_device_uevent, }; -static void acpi_device_register(struct acpi_device *device, +static int acpi_device_register(struct acpi_device *device, struct acpi_device *parent) { - int err; - + int result; + struct acpi_device_bus_id *acpi_device_bus_id, *new_bus_id; + int found = 0; /* * Linkage * ------- @@ -126,7 +330,33 @@ static void acpi_device_register(struct acpi_device *device, INIT_LIST_HEAD(&device->g_list); INIT_LIST_HEAD(&device->wakeup_list); + new_bus_id = kzalloc(sizeof(struct acpi_device_bus_id), GFP_KERNEL); + if (!new_bus_id) { + printk(KERN_ERR PREFIX "Memory allocation error\n"); + return -ENOMEM; + } + spin_lock(&acpi_device_lock); + /* + * Find suitable bus_id and instance number in acpi_bus_id_list + * If failed, create one and link it into acpi_bus_id_list + */ + list_for_each_entry(acpi_device_bus_id, &acpi_bus_id_list, node) { + if(!strcmp(acpi_device_bus_id->bus_id, device->flags.hardware_id? device->pnp.hardware_id : "device")) { + acpi_device_bus_id->instance_no ++; + found = 1; + kfree(new_bus_id); + break; + } + } + if(!found) { + acpi_device_bus_id = new_bus_id; + strcpy(acpi_device_bus_id->bus_id, device->flags.hardware_id ? device->pnp.hardware_id : "device"); + acpi_device_bus_id->instance_no = 0; + list_add_tail(&acpi_device_bus_id->node, &acpi_bus_id_list); + } + sprintf(device->dev.bus_id, "%s:%02x", acpi_device_bus_id->bus_id, acpi_device_bus_id->instance_no); + if (device->parent) { list_add_tail(&device->node, &device->parent->children); list_add_tail(&device->g_list, &device->parent->g_list); @@ -136,16 +366,33 @@ static void acpi_device_register(struct acpi_device *device, list_add_tail(&device->wakeup_list, &acpi_wakeup_device_list); spin_unlock(&acpi_device_lock); - strlcpy(device->kobj.name, device->pnp.bus_id, KOBJ_NAME_LEN); - if (parent) - device->kobj.parent = &parent->kobj; - device->kobj.ktype = &ktype_acpi_ns; - device->kobj.kset = &acpi_namespace_kset; - err = kobject_register(&device->kobj); - if (err < 0) - printk(KERN_WARNING "%s: kobject_register error: %d\n", - __FUNCTION__, err); - create_sysfs_device_files(device); + if (device->parent) + device->dev.parent = &parent->dev; + device->dev.bus = &acpi_bus_type; + device_initialize(&device->dev); + device->dev.release = &acpi_device_release; + result = device_add(&device->dev); + if(result) { + printk("Error adding device %s", device->dev.bus_id); + goto end; + } + + result = acpi_device_setup_files(device); + if(result) + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error creating sysfs interface for device %s\n", device->dev.bus_id)); + + device->removal_type = ACPI_BUS_REMOVAL_NORMAL; + return 0; + end: + spin_lock(&acpi_device_lock); + if (device->parent) { + list_del(&device->node); + list_del(&device->g_list); + } else + list_del(&device->g_list); + list_del(&device->wakeup_list); + spin_unlock(&acpi_device_lock); + return result; } static void acpi_device_unregister(struct acpi_device *device, int type) @@ -158,81 +405,143 @@ static void acpi_device_unregister(struct acpi_device *device, int type) list_del(&device->g_list); list_del(&device->wakeup_list); - spin_unlock(&acpi_device_lock); acpi_detach_data(device->handle, acpi_bus_data_handler); - remove_sysfs_device_files(device); - kobject_unregister(&device->kobj); + + acpi_device_remove_files(device); + device_unregister(&device->dev); } -void acpi_bus_data_handler(acpi_handle handle, u32 function, void *context) +/* -------------------------------------------------------------------------- + Driver Management + -------------------------------------------------------------------------- */ +/** + * acpi_bus_driver_init - add a device to a driver + * @device: the device to add and initialize + * @driver: driver for the device + * + * Used to initialize a device via its device driver. Called whenever a + * driver is bound to a device. Invokes the driver's add() ops. + */ +static int +acpi_bus_driver_init(struct acpi_device *device, struct acpi_driver *driver) { + int result = 0; - /* TBD */ - return; -} + if (!device || !driver) + return -EINVAL; -static int acpi_bus_get_power_flags(struct acpi_device *device) -{ - acpi_status status = 0; - acpi_handle handle = NULL; - u32 i = 0; + if (!driver->ops.add) + return -ENOSYS; + result = driver->ops.add(device); + if (result) { + device->driver = NULL; + acpi_driver_data(device) = NULL; + return result; + } - /* - * Power Management Flags - */ - status = acpi_get_handle(device->handle, "_PSC", &handle); - if (ACPI_SUCCESS(status)) - device->power.flags.explicit_get = 1; - status = acpi_get_handle(device->handle, "_IRC", &handle); - if (ACPI_SUCCESS(status)) - device->power.flags.inrush_current = 1; + device->driver = driver; /* - * Enumerate supported power management states + * TBD - Configuration Management: Assign resources to device based + * upon possible configuration and currently allocated resources. */ - for (i = ACPI_STATE_D0; i <= ACPI_STATE_D3; i++) { - struct acpi_device_power_state *ps = &device->power.states[i]; - char object_name[5] = { '_', 'P', 'R', '0' + i, '\0' }; - /* Evaluate "_PRx" to se if power resources are referenced */ - acpi_evaluate_reference(device->handle, object_name, NULL, - &ps->resources); - if (ps->resources.count) { - device->power.flags.power_resources = 1; - ps->flags.valid = 1; - } + ACPI_DEBUG_PRINT((ACPI_DB_INFO, + "Driver successfully bound to device\n")); + return 0; +} - /* Evaluate "_PSx" to see if we can do explicit sets */ - object_name[2] = 'S'; - status = acpi_get_handle(device->handle, object_name, &handle); - if (ACPI_SUCCESS(status)) { - ps->flags.explicit_set = 1; - ps->flags.valid = 1; - } +static int acpi_start_single_object(struct acpi_device *device) +{ + int result = 0; + struct acpi_driver *driver; - /* State is valid if we have some power control */ - if (ps->resources.count || ps->flags.explicit_set) - ps->flags.valid = 1; - ps->power = -1; /* Unknown - driver assigned */ - ps->latency = -1; /* Unknown - driver assigned */ + if (!(driver = device->driver)) + return 0; + + if (driver->ops.start) { + result = driver->ops.start(device); + if (result && driver->ops.remove) + driver->ops.remove(device, ACPI_BUS_REMOVAL_NORMAL); } - /* Set defaults for D0 and D3 states (always valid) */ - device->power.states[ACPI_STATE_D0].flags.valid = 1; - device->power.states[ACPI_STATE_D0].power = 100; - device->power.states[ACPI_STATE_D3].flags.valid = 1; - device->power.states[ACPI_STATE_D3].power = 0; + return result; +} - /* TBD: System wake support and resource requirements. */ +/** + * acpi_bus_register_driver - register a driver with the ACPI bus + * @driver: driver being registered + * + * Registers a driver with the ACPI bus. Searches the namespace for all + * devices that match the driver's criteria and binds. Returns zero for + * success or a negative error status for failure. + */ +int acpi_bus_register_driver(struct acpi_driver *driver) +{ + int ret; - device->power.state = ACPI_STATE_UNKNOWN; + if (acpi_disabled) + return -ENODEV; + driver->drv.name = driver->name; + driver->drv.bus = &acpi_bus_type; + driver->drv.owner = driver->owner; - return 0; + ret = driver_register(&driver->drv); + return ret; +} + +EXPORT_SYMBOL(acpi_bus_register_driver); + +/** + * acpi_bus_unregister_driver - unregisters a driver with the APIC bus + * @driver: driver to unregister + * + * Unregisters a driver with the ACPI bus. Searches the namespace for all + * devices that match the driver's criteria and unbinds. + */ +void acpi_bus_unregister_driver(struct acpi_driver *driver) +{ + driver_unregister(&driver->drv); +} + +EXPORT_SYMBOL(acpi_bus_unregister_driver); + +/* -------------------------------------------------------------------------- + Device Enumeration + -------------------------------------------------------------------------- */ +acpi_status +acpi_bus_get_ejd(acpi_handle handle, acpi_handle *ejd) +{ + acpi_status status; + acpi_handle tmp; + struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL}; + union acpi_object *obj; + + status = acpi_get_handle(handle, "_EJD", &tmp); + if (ACPI_FAILURE(status)) + return status; + + status = acpi_evaluate_object(handle, "_EJD", NULL, &buffer); + if (ACPI_SUCCESS(status)) { + obj = buffer.pointer; + status = acpi_get_handle(NULL, obj->string.pointer, ejd); + kfree(buffer.pointer); + } + return status; +} +EXPORT_SYMBOL_GPL(acpi_bus_get_ejd); + +void acpi_bus_data_handler(acpi_handle handle, u32 function, void *context) +{ + + /* TBD */ + + return; } int acpi_match_ids(struct acpi_device *device, char *ids) @@ -254,6 +563,12 @@ int acpi_match_ids(struct acpi_device *device, char *ids) return -ENOENT; } +static int acpi_bus_get_perf_flags(struct acpi_device *device) +{ + device->performance.state = ACPI_STATE_UNKNOWN; + return 0; +} + static acpi_status acpi_bus_extract_wakeup_device_power_package(struct acpi_device *device, union acpi_object *package) @@ -338,359 +653,66 @@ static int acpi_bus_get_wakeup_device_flags(struct acpi_device *device) return 0; } -/* -------------------------------------------------------------------------- - ACPI sysfs device file support - -------------------------------------------------------------------------- */ -static ssize_t acpi_eject_store(struct acpi_device *device, - const char *buf, size_t count); - -#define ACPI_DEVICE_ATTR(_name,_mode,_show,_store) \ -static struct acpi_device_attribute acpi_device_attr_##_name = \ - __ATTR(_name, _mode, _show, _store) - -ACPI_DEVICE_ATTR(eject, 0200, NULL, acpi_eject_store); - -/** - * setup_sys_fs_device_files - sets up the device files under device namespace - * @dev: acpi_device object - * @func: function pointer to create or destroy the device file - */ -static void -setup_sys_fs_device_files(struct acpi_device *dev, - acpi_device_sysfs_files * func) -{ - acpi_status status; - acpi_handle temp = NULL; - - /* - * If device has _EJ0, 'eject' file is created that is used to trigger - * hot-removal function from userland. - */ - status = acpi_get_handle(dev->handle, "_EJ0", &temp); - if (ACPI_SUCCESS(status)) - (*(func)) (&dev->kobj, &acpi_device_attr_eject.attr); -} - -static int acpi_eject_operation(acpi_handle handle, int lockable) +static int acpi_bus_get_power_flags(struct acpi_device *device) { - struct acpi_object_list arg_list; - union acpi_object arg; - acpi_status status = AE_OK; - - /* - * TBD: evaluate _PS3? - */ - - if (lockable) { - arg_list.count = 1; - arg_list.pointer = &arg; - arg.type = ACPI_TYPE_INTEGER; - arg.integer.value = 0; - acpi_evaluate_object(handle, "_LCK", &arg_list, NULL); - } + acpi_status status = 0; + acpi_handle handle = NULL; + u32 i = 0; - arg_list.count = 1; - arg_list.pointer = &arg; - arg.type = ACPI_TYPE_INTEGER; - arg.integer.value = 1; /* - * TBD: _EJD support. + * Power Management Flags */ - - status = acpi_evaluate_object(handle, "_EJ0", &arg_list, NULL); - if (ACPI_FAILURE(status)) { - return (-ENODEV); - } - - return (0); -} - -static ssize_t -acpi_eject_store(struct acpi_device *device, const char *buf, size_t count) -{ - int result; - int ret = count; - int islockable; - acpi_status status; - acpi_handle handle; - acpi_object_type type = 0; - - if ((!count) || (buf[0] != '1')) { - return -EINVAL; - } -#ifndef FORCE_EJECT - if (device->driver == NULL) { - ret = -ENODEV; - goto err; - } -#endif - status = acpi_get_type(device->handle, &type); - if (ACPI_FAILURE(status) || (!device->flags.ejectable)) { - ret = -ENODEV; - goto err; - } - - islockable = device->flags.lockable; - handle = device->handle; - - result = acpi_bus_trim(device, 1); - - if (!result) - result = acpi_eject_operation(handle, islockable); - - if (result) { - ret = -EBUSY; - } - err: - return ret; -} - -/* -------------------------------------------------------------------------- - Performance Management - -------------------------------------------------------------------------- */ - -static int acpi_bus_get_perf_flags(struct acpi_device *device) -{ - device->performance.state = ACPI_STATE_UNKNOWN; - return 0; -} - -/* -------------------------------------------------------------------------- - Driver Management - -------------------------------------------------------------------------- */ - -static LIST_HEAD(acpi_bus_drivers); - -/** - * acpi_bus_match - match device IDs to driver's supported IDs - * @device: the device that we are trying to match to a driver - * @driver: driver whose device id table is being checked - * - * Checks the device's hardware (_HID) or compatible (_CID) ids to see if it - * matches the specified driver's criteria. - */ -static int -acpi_bus_match(struct acpi_device *device, struct acpi_driver *driver) -{ - if (driver && driver->ops.match) - return driver->ops.match(device, driver); - return acpi_match_ids(device, driver->ids); -} - -/** - * acpi_bus_driver_init - add a device to a driver - * @device: the device to add and initialize - * @driver: driver for the device - * - * Used to initialize a device via its device driver. Called whenever a - * driver is bound to a device. Invokes the driver's add() and start() ops. - */ -static int -acpi_bus_driver_init(struct acpi_device *device, struct acpi_driver *driver) -{ - int result = 0; - - - if (!device || !driver) - return -EINVAL; - - if (!driver->ops.add) - return -ENOSYS; - - result = driver->ops.add(device); - if (result) { - device->driver = NULL; - acpi_driver_data(device) = NULL; - return result; - } - - device->driver = driver; + status = acpi_get_handle(device->handle, "_PSC", &handle); + if (ACPI_SUCCESS(status)) + device->power.flags.explicit_get = 1; + status = acpi_get_handle(device->handle, "_IRC", &handle); + if (ACPI_SUCCESS(status)) + device->power.flags.inrush_current = 1; /* - * TBD - Configuration Management: Assign resources to device based - * upon possible configuration and currently allocated resources. + * Enumerate supported power management states */ + for (i = ACPI_STATE_D0; i <= ACPI_STATE_D3; i++) { + struct acpi_device_power_state *ps = &device->power.states[i]; + char object_name[5] = { '_', 'P', 'R', '0' + i, '\0' }; - ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "Driver successfully bound to device\n")); - return 0; -} - -static int acpi_start_single_object(struct acpi_device *device) -{ - int result = 0; - struct acpi_driver *driver; - - - if (!(driver = device->driver)) - return 0; - - if (driver->ops.start) { - result = driver->ops.start(device); - if (result && driver->ops.remove) - driver->ops.remove(device, ACPI_BUS_REMOVAL_NORMAL); - } - - return result; -} - -static void acpi_driver_attach(struct acpi_driver *drv) -{ - struct list_head *node, *next; - - - spin_lock(&acpi_device_lock); - list_for_each_safe(node, next, &acpi_device_list) { - struct acpi_device *dev = - container_of(node, struct acpi_device, g_list); - - if (dev->driver || !dev->status.present) - continue; - spin_unlock(&acpi_device_lock); - - if (!acpi_bus_match(dev, drv)) { - if (!acpi_bus_driver_init(dev, drv)) { - acpi_start_single_object(dev); - atomic_inc(&drv->references); - ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "Found driver [%s] for device [%s]\n", - drv->name, dev->pnp.bus_id)); - } + /* Evaluate "_PRx" to se if power resources are referenced */ + acpi_evaluate_reference(device->handle, object_name, NULL, + &ps->resources); + if (ps->resources.count) { + device->power.flags.power_resources = 1; + ps->flags.valid = 1; } - spin_lock(&acpi_device_lock); - } - spin_unlock(&acpi_device_lock); -} - -static void acpi_driver_detach(struct acpi_driver *drv) -{ - struct list_head *node, *next; - - spin_lock(&acpi_device_lock); - list_for_each_safe(node, next, &acpi_device_list) { - struct acpi_device *dev = - container_of(node, struct acpi_device, g_list); - - if (dev->driver == drv) { - spin_unlock(&acpi_device_lock); - if (drv->ops.remove) - drv->ops.remove(dev, ACPI_BUS_REMOVAL_NORMAL); - spin_lock(&acpi_device_lock); - dev->driver = NULL; - dev->driver_data = NULL; - atomic_dec(&drv->references); + /* Evaluate "_PSx" to see if we can do explicit sets */ + object_name[2] = 'S'; + status = acpi_get_handle(device->handle, object_name, &handle); + if (ACPI_SUCCESS(status)) { + ps->flags.explicit_set = 1; + ps->flags.valid = 1; } - } - spin_unlock(&acpi_device_lock); -} - -/** - * acpi_bus_register_driver - register a driver with the ACPI bus - * @driver: driver being registered - * - * Registers a driver with the ACPI bus. Searches the namespace for all - * devices that match the driver's criteria and binds. Returns zero for - * success or a negative error status for failure. - */ -int acpi_bus_register_driver(struct acpi_driver *driver) -{ - - if (acpi_disabled) - return -ENODEV; - - spin_lock(&acpi_device_lock); - list_add_tail(&driver->node, &acpi_bus_drivers); - spin_unlock(&acpi_device_lock); - acpi_driver_attach(driver); - - return 0; -} - -EXPORT_SYMBOL(acpi_bus_register_driver); - -/** - * acpi_bus_unregister_driver - unregisters a driver with the APIC bus - * @driver: driver to unregister - * - * Unregisters a driver with the ACPI bus. Searches the namespace for all - * devices that match the driver's criteria and unbinds. - */ -void acpi_bus_unregister_driver(struct acpi_driver *driver) -{ - acpi_driver_detach(driver); - - if (!atomic_read(&driver->references)) { - spin_lock(&acpi_device_lock); - list_del_init(&driver->node); - spin_unlock(&acpi_device_lock); - } - return; -} - -EXPORT_SYMBOL(acpi_bus_unregister_driver); - -/** - * acpi_bus_find_driver - check if there is a driver installed for the device - * @device: device that we are trying to find a supporting driver for - * - * Parses the list of registered drivers looking for a driver applicable for - * the specified device. - */ -static int acpi_bus_find_driver(struct acpi_device *device) -{ - int result = 0; - struct list_head *node, *next; + /* State is valid if we have some power control */ + if (ps->resources.count || ps->flags.explicit_set) + ps->flags.valid = 1; - spin_lock(&acpi_device_lock); - list_for_each_safe(node, next, &acpi_bus_drivers) { - struct acpi_driver *driver = - container_of(node, struct acpi_driver, node); - - atomic_inc(&driver->references); - spin_unlock(&acpi_device_lock); - if (!acpi_bus_match(device, driver)) { - result = acpi_bus_driver_init(device, driver); - if (!result) - goto Done; - } - atomic_dec(&driver->references); - spin_lock(&acpi_device_lock); + ps->power = -1; /* Unknown - driver assigned */ + ps->latency = -1; /* Unknown - driver assigned */ } - spin_unlock(&acpi_device_lock); - - Done: - return result; -} -/* -------------------------------------------------------------------------- - Device Enumeration - -------------------------------------------------------------------------- */ + /* Set defaults for D0 and D3 states (always valid) */ + device->power.states[ACPI_STATE_D0].flags.valid = 1; + device->power.states[ACPI_STATE_D0].power = 100; + device->power.states[ACPI_STATE_D3].flags.valid = 1; + device->power.states[ACPI_STATE_D3].power = 0; -acpi_status -acpi_bus_get_ejd(acpi_handle handle, acpi_handle *ejd) -{ - acpi_status status; - acpi_handle tmp; - struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL}; - union acpi_object *obj; + /* TBD: System wake support and resource requirements. */ - status = acpi_get_handle(handle, "_EJD", &tmp); - if (ACPI_FAILURE(status)) - return status; + device->power.state = ACPI_STATE_UNKNOWN; - status = acpi_evaluate_object(handle, "_EJD", NULL, &buffer); - if (ACPI_SUCCESS(status)) { - obj = buffer.pointer; - status = acpi_get_handle(NULL, obj->string.pointer, ejd); - kfree(buffer.pointer); - } - return status; + return 0; } -EXPORT_SYMBOL_GPL(acpi_bus_get_ejd); - static int acpi_bus_get_flags(struct acpi_device *device) { @@ -782,6 +804,75 @@ static void acpi_device_get_busid(struct acpi_device *device, } } +static int +acpi_video_bus_match(struct acpi_device *device) +{ + acpi_handle h_dummy1; + acpi_handle h_dummy2; + acpi_handle h_dummy3; + + + if (!device) + return -EINVAL; + + /* Since there is no HID, CID for ACPI Video drivers, we have + * to check well known required nodes for each feature we support. + */ + + /* Does this device able to support video switching ? */ + if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_DOD", &h_dummy1)) && + ACPI_SUCCESS(acpi_get_handle(device->handle, "_DOS", &h_dummy2))) + return 0; + + /* Does this device able to retrieve a video ROM ? */ + if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_ROM", &h_dummy1))) + return 0; + + /* Does this device able to configure which video head to be POSTed ? */ + if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_VPO", &h_dummy1)) && + ACPI_SUCCESS(acpi_get_handle(device->handle, "_GPD", &h_dummy2)) && + ACPI_SUCCESS(acpi_get_handle(device->handle, "_SPD", &h_dummy3))) + return 0; + + return -ENODEV; +} + +/* + * acpi_bay_match - see if a device is an ejectable driver bay + * + * If an acpi object is ejectable and has one of the ACPI ATA methods defined, + * then we can safely call it an ejectable drive bay + */ +static int acpi_bay_match(struct acpi_device *device){ + acpi_status status; + acpi_handle handle; + acpi_handle tmp; + acpi_handle phandle; + + handle = device->handle; + + status = acpi_get_handle(handle, "_EJ0", &tmp); + if (ACPI_FAILURE(status)) + return -ENODEV; + + if ((ACPI_SUCCESS(acpi_get_handle(handle, "_GTF", &tmp))) || + (ACPI_SUCCESS(acpi_get_handle(handle, "_GTM", &tmp))) || + (ACPI_SUCCESS(acpi_get_handle(handle, "_STM", &tmp))) || + (ACPI_SUCCESS(acpi_get_handle(handle, "_SDD", &tmp)))) + return 0; + + if (acpi_get_parent(handle, &phandle)) + return -ENODEV; + + if ((ACPI_SUCCESS(acpi_get_handle(phandle, "_GTF", &tmp))) || + (ACPI_SUCCESS(acpi_get_handle(phandle, "_GTM", &tmp))) || + (ACPI_SUCCESS(acpi_get_handle(phandle, "_STM", &tmp))) || + (ACPI_SUCCESS(acpi_get_handle(phandle, "_SDD", &tmp)))) + return 0; + + return -ENODEV; +} + static void acpi_device_set_id(struct acpi_device *device, struct acpi_device *parent, acpi_handle handle, int type) @@ -812,6 +903,16 @@ static void acpi_device_set_id(struct acpi_device *device, device->pnp.bus_address = info->address; device->flags.bus_address = 1; } + + if(!(info->valid & (ACPI_VALID_HID | ACPI_VALID_CID))){ + status = acpi_video_bus_match(device); + if(ACPI_SUCCESS(status)) + hid = ACPI_VIDEO_HID; + + status = acpi_bay_match(device); + if (ACPI_SUCCESS(status)) + hid = ACPI_BAY_HID; + } break; case ACPI_BUS_TYPE_POWER: hid = ACPI_POWER_HID; @@ -888,86 +989,24 @@ static int acpi_device_set_context(struct acpi_device *device, int type) return result; } -static void acpi_device_get_debug_info(struct acpi_device *device, - acpi_handle handle, int type) -{ -#ifdef CONFIG_ACPI_DEBUG_OUTPUT - char *type_string = NULL; - char name[80] = { '?', '\0' }; - struct acpi_buffer buffer = { sizeof(name), name }; - - switch (type) { - case ACPI_BUS_TYPE_DEVICE: - type_string = "Device"; - acpi_get_name(handle, ACPI_FULL_PATHNAME, &buffer); - break; - case ACPI_BUS_TYPE_POWER: - type_string = "Power Resource"; - acpi_get_name(handle, ACPI_FULL_PATHNAME, &buffer); - break; - case ACPI_BUS_TYPE_PROCESSOR: - type_string = "Processor"; - acpi_get_name(handle, ACPI_FULL_PATHNAME, &buffer); - break; - case ACPI_BUS_TYPE_SYSTEM: - type_string = "System"; - acpi_get_name(handle, ACPI_FULL_PATHNAME, &buffer); - break; - case ACPI_BUS_TYPE_THERMAL: - type_string = "Thermal Zone"; - acpi_get_name(handle, ACPI_FULL_PATHNAME, &buffer); - break; - case ACPI_BUS_TYPE_POWER_BUTTON: - type_string = "Power Button"; - sprintf(name, "PWRB"); - break; - case ACPI_BUS_TYPE_SLEEP_BUTTON: - type_string = "Sleep Button"; - sprintf(name, "SLPB"); - break; - } - - printk(KERN_DEBUG "Found %s %s [%p]\n", type_string, name, handle); -#endif /*CONFIG_ACPI_DEBUG_OUTPUT */ -} - static int acpi_bus_remove(struct acpi_device *dev, int rmdevice) { - int result = 0; - struct acpi_driver *driver; - - if (!dev) return -EINVAL; - driver = dev->driver; - - if ((driver) && (driver->ops.remove)) { - - if (driver->ops.stop) { - result = driver->ops.stop(dev, ACPI_BUS_REMOVAL_EJECT); - if (result) - return result; - } - - result = dev->driver->ops.remove(dev, ACPI_BUS_REMOVAL_EJECT); - if (result) { - return result; - } - - atomic_dec(&dev->driver->references); - dev->driver = NULL; - acpi_driver_data(dev) = NULL; - } + dev->removal_type = ACPI_BUS_REMOVAL_EJECT; + device_release_driver(&dev->dev); if (!rmdevice) return 0; + /* + * unbind _ADR-Based Devices when hot removal + */ if (dev->flags.bus_address) { if ((dev->parent) && (dev->parent->ops.unbind)) dev->parent->ops.unbind(dev); } - acpi_device_unregister(dev, ACPI_BUS_REMOVAL_EJECT); return 0; @@ -975,7 +1014,8 @@ static int acpi_bus_remove(struct acpi_device *dev, int rmdevice) static int acpi_add_single_object(struct acpi_device **child, - struct acpi_device *parent, acpi_handle handle, int type) + struct acpi_device *parent, acpi_handle handle, int type, + struct acpi_bus_ops *ops) { int result = 0; struct acpi_device *device = NULL; @@ -992,6 +1032,8 @@ acpi_add_single_object(struct acpi_device **child, device->handle = handle; device->parent = parent; + device->bus_ops = *ops; /* workround for not call .start */ + acpi_device_get_busid(device, handle, type); @@ -1076,33 +1118,16 @@ acpi_add_single_object(struct acpi_device **child, if ((result = acpi_device_set_context(device, type))) goto end; - acpi_device_get_debug_info(device, handle, type); - - acpi_device_register(device, parent); + result = acpi_device_register(device, parent); /* - * Bind _ADR-Based Devices - * ----------------------- - * If there's a a bus address (_ADR) then we utilize the parent's - * 'bind' function (if exists) to bind the ACPI- and natively- - * enumerated device representations. + * Bind _ADR-Based Devices when hot add */ if (device->flags.bus_address) { if (device->parent && device->parent->ops.bind) device->parent->ops.bind(device); } - /* - * Locate & Attach Driver - * ---------------------- - * If there's a hardware id (_HID) or compatible ids (_CID) we check - * to see if there's a driver installed for this kind of device. Note - * that drivers can install before or after a device is enumerated. - * - * TBD: Assumes LDM provides driver hot-plug capability. - */ - acpi_bus_find_driver(device); - end: if (!result) *child = device; @@ -1188,14 +1213,14 @@ static int acpi_bus_scan(struct acpi_device *start, struct acpi_bus_ops *ops) if (ops->acpi_op_add) status = acpi_add_single_object(&child, parent, - chandle, type); + chandle, type, ops); else status = acpi_bus_get_device(chandle, &child); if (ACPI_FAILURE(status)) continue; - if (ops->acpi_op_start) { + if (ops->acpi_op_start && !(ops->acpi_op_add)) { status = acpi_start_single_object(child); if (ACPI_FAILURE(status)) continue; @@ -1233,13 +1258,13 @@ acpi_bus_add(struct acpi_device **child, int result; struct acpi_bus_ops ops; + memset(&ops, 0, sizeof(ops)); + ops.acpi_op_add = 1; - result = acpi_add_single_object(child, parent, handle, type); - if (!result) { - memset(&ops, 0, sizeof(ops)); - ops.acpi_op_add = 1; + result = acpi_add_single_object(child, parent, handle, type, &ops); + if (!result) result = acpi_bus_scan(*child, &ops); - } + return result; } @@ -1325,127 +1350,35 @@ static int acpi_bus_scan_fixed(struct acpi_device *root) { int result = 0; struct acpi_device *device = NULL; - + struct acpi_bus_ops ops; if (!root) return -ENODEV; + memset(&ops, 0, sizeof(ops)); + ops.acpi_op_add = 1; + ops.acpi_op_start = 1; + /* * Enumerate all fixed-feature devices. */ - if (acpi_fadt.pwr_button == 0) { + if ((acpi_gbl_FADT.flags & ACPI_FADT_POWER_BUTTON) == 0) { result = acpi_add_single_object(&device, acpi_root, NULL, - ACPI_BUS_TYPE_POWER_BUTTON); - if (!result) - result = acpi_start_single_object(device); + ACPI_BUS_TYPE_POWER_BUTTON, + &ops); } - if (acpi_fadt.sleep_button == 0) { + if ((acpi_gbl_FADT.flags & ACPI_FADT_SLEEP_BUTTON) == 0) { result = acpi_add_single_object(&device, acpi_root, NULL, - ACPI_BUS_TYPE_SLEEP_BUTTON); - if (!result) - result = acpi_start_single_object(device); + ACPI_BUS_TYPE_SLEEP_BUTTON, + &ops); } return result; } - -static inline struct acpi_device * to_acpi_dev(struct device * dev) -{ - return container_of(dev, struct acpi_device, dev); -} - - -static int root_suspend(struct acpi_device * acpi_dev, pm_message_t state) -{ - struct acpi_device * dev, * next; - int result; - - spin_lock(&acpi_device_lock); - list_for_each_entry_safe_reverse(dev, next, &acpi_device_list, g_list) { - if (dev->driver && dev->driver->ops.suspend) { - spin_unlock(&acpi_device_lock); - result = dev->driver->ops.suspend(dev, 0); - if (result) { - printk(KERN_ERR PREFIX "[%s - %s] Suspend failed: %d\n", - acpi_device_name(dev), - acpi_device_bid(dev), result); - } - spin_lock(&acpi_device_lock); - } - } - spin_unlock(&acpi_device_lock); - return 0; -} - - -static int acpi_device_suspend(struct device * dev, pm_message_t state) -{ - struct acpi_device * acpi_dev = to_acpi_dev(dev); - - /* - * For now, we should only register 1 generic device - - * the ACPI root device - and from there, we walk the - * tree of ACPI devices to suspend each one using the - * ACPI driver methods. - */ - if (acpi_dev->handle == ACPI_ROOT_OBJECT) - root_suspend(acpi_dev, state); - return 0; -} - - - -static int root_resume(struct acpi_device * acpi_dev) -{ - struct acpi_device * dev, * next; - int result; - - spin_lock(&acpi_device_lock); - list_for_each_entry_safe(dev, next, &acpi_device_list, g_list) { - if (dev->driver && dev->driver->ops.resume) { - spin_unlock(&acpi_device_lock); - result = dev->driver->ops.resume(dev, 0); - if (result) { - printk(KERN_ERR PREFIX "[%s - %s] resume failed: %d\n", - acpi_device_name(dev), - acpi_device_bid(dev), result); - } - spin_lock(&acpi_device_lock); - } - } - spin_unlock(&acpi_device_lock); - return 0; -} - - -static int acpi_device_resume(struct device * dev) -{ - struct acpi_device * acpi_dev = to_acpi_dev(dev); - - /* - * For now, we should only register 1 generic device - - * the ACPI root device - and from there, we walk the - * tree of ACPI devices to resume each one using the - * ACPI driver methods. - */ - if (acpi_dev->handle == ACPI_ROOT_OBJECT) - root_resume(acpi_dev); - return 0; -} - - -static struct bus_type acpi_bus_type = { - .name = "acpi", - .suspend = acpi_device_suspend, - .resume = acpi_device_resume, -}; - - - static int __init acpi_scan_init(void) { int result; @@ -1455,9 +1388,9 @@ static int __init acpi_scan_init(void) if (acpi_disabled) return 0; - result = kset_register(&acpi_namespace_kset); - if (result < 0) - printk(KERN_ERR PREFIX "kset_register error: %d\n", result); + memset(&ops, 0, sizeof(ops)); + ops.acpi_op_add = 1; + ops.acpi_op_start = 1; result = bus_register(&acpi_bus_type); if (result) { @@ -1469,32 +1402,16 @@ static int __init acpi_scan_init(void) * Create the root device in the bus's device tree */ result = acpi_add_single_object(&acpi_root, NULL, ACPI_ROOT_OBJECT, - ACPI_BUS_TYPE_SYSTEM); + ACPI_BUS_TYPE_SYSTEM, &ops); if (result) goto Done; - result = acpi_start_single_object(acpi_root); - if (result) - goto Done; - - acpi_root->dev.bus = &acpi_bus_type; - snprintf(acpi_root->dev.bus_id, BUS_ID_SIZE, "%s", acpi_bus_type.name); - result = device_register(&acpi_root->dev); - if (result) { - /* We don't want to quit even if we failed to add suspend/resume */ - printk(KERN_ERR PREFIX "Could not register device\n"); - } - /* * Enumerate devices in the ACPI namespace. */ result = acpi_bus_scan_fixed(acpi_root); - if (!result) { - memset(&ops, 0, sizeof(ops)); - ops.acpi_op_add = 1; - ops.acpi_op_start = 1; + if (!result) result = acpi_bus_scan(acpi_root, &ops); - } if (result) acpi_device_unregister(acpi_root, ACPI_BUS_REMOVAL_NORMAL); diff --git a/drivers/acpi/sleep/proc.c b/drivers/acpi/sleep/proc.c index 34962578039..ccc11b33d89 100644 --- a/drivers/acpi/sleep/proc.c +++ b/drivers/acpi/sleep/proc.c @@ -73,7 +73,7 @@ acpi_system_write_sleep(struct file *file, static int acpi_system_alarm_seq_show(struct seq_file *seq, void *offset) { u32 sec, min, hr; - u32 day, mo, yr; + u32 day, mo, yr, cent = 0; unsigned char rtc_control = 0; unsigned long flags; @@ -87,20 +87,19 @@ static int acpi_system_alarm_seq_show(struct seq_file *seq, void *offset) rtc_control = CMOS_READ(RTC_CONTROL); /* If we ever get an FACP with proper values... */ - if (acpi_gbl_FADT->day_alrm) + if (acpi_gbl_FADT.day_alarm) /* ACPI spec: only low 6 its should be cared */ - day = CMOS_READ(acpi_gbl_FADT->day_alrm) & 0x3F; + day = CMOS_READ(acpi_gbl_FADT.day_alarm) & 0x3F; else day = CMOS_READ(RTC_DAY_OF_MONTH); - if (acpi_gbl_FADT->mon_alrm) - mo = CMOS_READ(acpi_gbl_FADT->mon_alrm); + if (acpi_gbl_FADT.month_alarm) + mo = CMOS_READ(acpi_gbl_FADT.month_alarm); else mo = CMOS_READ(RTC_MONTH); - if (acpi_gbl_FADT->century) - yr = CMOS_READ(acpi_gbl_FADT->century) * 100 + - CMOS_READ(RTC_YEAR); - else - yr = CMOS_READ(RTC_YEAR); + if (acpi_gbl_FADT.century) + cent = CMOS_READ(acpi_gbl_FADT.century); + + yr = CMOS_READ(RTC_YEAR); spin_unlock_irqrestore(&rtc_lock, flags); @@ -111,10 +110,11 @@ static int acpi_system_alarm_seq_show(struct seq_file *seq, void *offset) BCD_TO_BIN(day); BCD_TO_BIN(mo); BCD_TO_BIN(yr); + BCD_TO_BIN(cent); } /* we're trusting the FADT (see above) */ - if (!acpi_gbl_FADT->century) + if (!acpi_gbl_FADT.century) /* If we're not trusting the FADT, we should at least make it * right for _this_ century... ehm, what is _this_ century? * @@ -134,6 +134,8 @@ static int acpi_system_alarm_seq_show(struct seq_file *seq, void *offset) * */ yr += 2000; + else + yr += cent * 100; seq_printf(seq, "%4.4u-", yr); (mo > 12) ? seq_puts(seq, "**-") : seq_printf(seq, "%2.2u-", mo); @@ -317,12 +319,12 @@ acpi_system_write_alarm(struct file *file, * offsets into the CMOS RAM here -- which for some reason are pointing * to the RTC area of memory. */ - if (acpi_gbl_FADT->day_alrm) - CMOS_WRITE(day, acpi_gbl_FADT->day_alrm); - if (acpi_gbl_FADT->mon_alrm) - CMOS_WRITE(mo, acpi_gbl_FADT->mon_alrm); - if (acpi_gbl_FADT->century) - CMOS_WRITE(yr / 100, acpi_gbl_FADT->century); + if (acpi_gbl_FADT.day_alarm) + CMOS_WRITE(day, acpi_gbl_FADT.day_alarm); + if (acpi_gbl_FADT.month_alarm) + CMOS_WRITE(mo, acpi_gbl_FADT.month_alarm); + if (acpi_gbl_FADT.century) + CMOS_WRITE(yr / 100, acpi_gbl_FADT.century); /* enable the rtc alarm interrupt */ rtc_control |= RTC_AIE; CMOS_WRITE(rtc_control, RTC_CONTROL); diff --git a/drivers/acpi/system.c b/drivers/acpi/system.c index d86dcb3c236..7147b0bdab0 100644 --- a/drivers/acpi/system.c +++ b/drivers/acpi/system.c @@ -32,6 +32,11 @@ #define _COMPONENT ACPI_SYSTEM_COMPONENT ACPI_MODULE_NAME("acpi_system") +#ifdef MODULE_PARAM_PREFIX +#undef MODULE_PARAM_PREFIX +#endif +#define MODULE_PARAM_PREFIX "acpi." + #define ACPI_SYSTEM_CLASS "system" #define ACPI_SYSTEM_DRIVER_NAME "ACPI System Driver" #define ACPI_SYSTEM_DEVICE_NAME "System" @@ -39,11 +44,24 @@ ACPI_MODULE_NAME("acpi_system") #define ACPI_SYSTEM_FILE_EVENT "event" #define ACPI_SYSTEM_FILE_DSDT "dsdt" #define ACPI_SYSTEM_FILE_FADT "fadt" -extern struct fadt_descriptor acpi_fadt; + +/* + * Make ACPICA version work as module param + */ +static int param_get_acpica_version(char *buffer, struct kernel_param *kp) { + int result; + + result = sprintf(buffer, "%x", ACPI_CA_VERSION); + + return result; +} + +module_param_call(acpica_version, NULL, param_get_acpica_version, NULL, 0444); /* -------------------------------------------------------------------------- FS Interface (/proc) -------------------------------------------------------------------------- */ +#ifdef CONFIG_ACPI_PROCFS static int acpi_system_read_info(struct seq_file *seq, void *offset) { @@ -63,6 +81,7 @@ static const struct file_operations acpi_system_info_ops = { .llseek = seq_lseek, .release = single_release, }; +#endif static ssize_t acpi_system_read_dsdt(struct file *, char __user *, size_t, loff_t *); @@ -76,17 +95,16 @@ acpi_system_read_dsdt(struct file *file, char __user * buffer, size_t count, loff_t * ppos) { acpi_status status = AE_OK; - struct acpi_buffer dsdt = { ACPI_ALLOCATE_BUFFER, NULL }; + struct acpi_table_header *dsdt = NULL; ssize_t res; - status = acpi_get_table(ACPI_TABLE_ID_DSDT, 1, &dsdt); + status = acpi_get_table(ACPI_SIG_DSDT, 1, &dsdt); if (ACPI_FAILURE(status)) return -ENODEV; res = simple_read_from_buffer(buffer, count, ppos, - dsdt.pointer, dsdt.length); - kfree(dsdt.pointer); + dsdt, dsdt->length); return res; } @@ -103,17 +121,16 @@ acpi_system_read_fadt(struct file *file, char __user * buffer, size_t count, loff_t * ppos) { acpi_status status = AE_OK; - struct acpi_buffer fadt = { ACPI_ALLOCATE_BUFFER, NULL }; + struct acpi_table_header *fadt = NULL; ssize_t res; - status = acpi_get_table(ACPI_TABLE_ID_FADT, 1, &fadt); + status = acpi_get_table(ACPI_SIG_FADT, 1, &fadt); if (ACPI_FAILURE(status)) return -ENODEV; res = simple_read_from_buffer(buffer, count, ppos, - fadt.pointer, fadt.length); - kfree(fadt.pointer); + fadt, fadt->length); return res; } @@ -128,6 +145,7 @@ static int __init acpi_system_init(void) if (acpi_disabled) return 0; +#ifdef CONFIG_ACPI_PROCFS /* 'info' [R] */ name = ACPI_SYSTEM_FILE_INFO; entry = create_proc_entry(name, S_IRUGO, acpi_root_dir); @@ -136,6 +154,7 @@ static int __init acpi_system_init(void) else { entry->proc_fops = &acpi_system_info_ops; } +#endif /* 'dsdt' [R] */ name = ACPI_SYSTEM_FILE_DSDT; @@ -159,7 +178,9 @@ static int __init acpi_system_init(void) Error: remove_proc_entry(ACPI_SYSTEM_FILE_FADT, acpi_root_dir); remove_proc_entry(ACPI_SYSTEM_FILE_DSDT, acpi_root_dir); +#ifdef CONFIG_ACPI_PROCFS remove_proc_entry(ACPI_SYSTEM_FILE_INFO, acpi_root_dir); +#endif error = -EFAULT; goto Done; diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c index ffa30c9fccb..ba4cb200314 100644 --- a/drivers/acpi/tables.c +++ b/drivers/acpi/tables.c @@ -38,154 +38,97 @@ #define ACPI_MAX_TABLES 128 -static char *acpi_table_signatures[ACPI_TABLE_COUNT] = { - [ACPI_TABLE_UNKNOWN] = "????", - [ACPI_APIC] = "APIC", - [ACPI_BOOT] = "BOOT", - [ACPI_DBGP] = "DBGP", - [ACPI_DSDT] = "DSDT", - [ACPI_ECDT] = "ECDT", - [ACPI_ETDT] = "ETDT", - [ACPI_FADT] = "FACP", - [ACPI_FACS] = "FACS", - [ACPI_OEMX] = "OEM", - [ACPI_PSDT] = "PSDT", - [ACPI_SBST] = "SBST", - [ACPI_SLIT] = "SLIT", - [ACPI_SPCR] = "SPCR", - [ACPI_SRAT] = "SRAT", - [ACPI_SSDT] = "SSDT", - [ACPI_SPMI] = "SPMI", - [ACPI_HPET] = "HPET", - [ACPI_MCFG] = "MCFG", -}; - static char *mps_inti_flags_polarity[] = { "dfl", "high", "res", "low" }; static char *mps_inti_flags_trigger[] = { "dfl", "edge", "res", "level" }; -/* System Description Table (RSDT/XSDT) */ -struct acpi_table_sdt { - unsigned long pa; - enum acpi_table_id id; - unsigned long size; -} __attribute__ ((packed)); - -static unsigned long sdt_pa; /* Physical Address */ -static unsigned long sdt_count; /* Table count */ +static struct acpi_table_desc initial_tables[ACPI_MAX_TABLES] __initdata; -static struct acpi_table_sdt sdt_entry[ACPI_MAX_TABLES] __initdata; - -void acpi_table_print(struct acpi_table_header *header, unsigned long phys_addr) -{ - char *name = NULL; - - if (!header) - return; - - /* Some table signatures aren't good table names */ - - if (!strncmp((char *)&header->signature, - acpi_table_signatures[ACPI_APIC], - sizeof(header->signature))) { - name = "MADT"; - } else if (!strncmp((char *)&header->signature, - acpi_table_signatures[ACPI_FADT], - sizeof(header->signature))) { - name = "FADT"; - } else - name = header->signature; - - printk(KERN_DEBUG PREFIX - "%.4s (v%3.3d %6.6s %8.8s 0x%08x %.4s 0x%08x) @ 0x%p\n", name, - header->revision, header->oem_id, header->oem_table_id, - header->oem_revision, header->asl_compiler_id, - header->asl_compiler_revision, (void *)phys_addr); -} - -void acpi_table_print_madt_entry(acpi_table_entry_header * header) +void acpi_table_print_madt_entry(struct acpi_subtable_header * header) { if (!header) return; switch (header->type) { - case ACPI_MADT_LAPIC: + case ACPI_MADT_TYPE_LOCAL_APIC: { - struct acpi_table_lapic *p = - (struct acpi_table_lapic *)header; + struct acpi_madt_local_apic *p = + (struct acpi_madt_local_apic *)header; printk(KERN_INFO PREFIX "LAPIC (acpi_id[0x%02x] lapic_id[0x%02x] %s)\n", - p->acpi_id, p->id, - p->flags.enabled ? "enabled" : "disabled"); + p->processor_id, p->id, + (p->lapic_flags & ACPI_MADT_ENABLED) ? "enabled" : "disabled"); } break; - case ACPI_MADT_IOAPIC: + case ACPI_MADT_TYPE_IO_APIC: { - struct acpi_table_ioapic *p = - (struct acpi_table_ioapic *)header; + struct acpi_madt_io_apic *p = + (struct acpi_madt_io_apic *)header; printk(KERN_INFO PREFIX "IOAPIC (id[0x%02x] address[0x%08x] gsi_base[%d])\n", p->id, p->address, p->global_irq_base); } break; - case ACPI_MADT_INT_SRC_OVR: + case ACPI_MADT_TYPE_INTERRUPT_OVERRIDE: { - struct acpi_table_int_src_ovr *p = - (struct acpi_table_int_src_ovr *)header; + struct acpi_madt_interrupt_override *p = + (struct acpi_madt_interrupt_override *)header; printk(KERN_INFO PREFIX "INT_SRC_OVR (bus %d bus_irq %d global_irq %d %s %s)\n", - p->bus, p->bus_irq, p->global_irq, - mps_inti_flags_polarity[p->flags.polarity], - mps_inti_flags_trigger[p->flags.trigger]); - if (p->flags.reserved) + p->bus, p->source_irq, p->global_irq, + mps_inti_flags_polarity[p->inti_flags & ACPI_MADT_POLARITY_MASK], + mps_inti_flags_trigger[(p->inti_flags & ACPI_MADT_TRIGGER_MASK) >> 2]); + if (p->inti_flags & + ~(ACPI_MADT_POLARITY_MASK | ACPI_MADT_TRIGGER_MASK)) printk(KERN_INFO PREFIX "INT_SRC_OVR unexpected reserved flags: 0x%x\n", - p->flags.reserved); + p->inti_flags & + ~(ACPI_MADT_POLARITY_MASK | ACPI_MADT_TRIGGER_MASK)); } break; - case ACPI_MADT_NMI_SRC: + case ACPI_MADT_TYPE_NMI_SOURCE: { - struct acpi_table_nmi_src *p = - (struct acpi_table_nmi_src *)header; + struct acpi_madt_nmi_source *p = + (struct acpi_madt_nmi_source *)header; printk(KERN_INFO PREFIX "NMI_SRC (%s %s global_irq %d)\n", - mps_inti_flags_polarity[p->flags.polarity], - mps_inti_flags_trigger[p->flags.trigger], + mps_inti_flags_polarity[p->inti_flags & ACPI_MADT_POLARITY_MASK], + mps_inti_flags_trigger[(p->inti_flags & ACPI_MADT_TRIGGER_MASK) >> 2], p->global_irq); } break; - case ACPI_MADT_LAPIC_NMI: + case ACPI_MADT_TYPE_LOCAL_APIC_NMI: { - struct acpi_table_lapic_nmi *p = - (struct acpi_table_lapic_nmi *)header; + struct acpi_madt_local_apic_nmi *p = + (struct acpi_madt_local_apic_nmi *)header; printk(KERN_INFO PREFIX "LAPIC_NMI (acpi_id[0x%02x] %s %s lint[0x%x])\n", - p->acpi_id, - mps_inti_flags_polarity[p->flags.polarity], - mps_inti_flags_trigger[p->flags.trigger], + p->processor_id, + mps_inti_flags_polarity[p->inti_flags & ACPI_MADT_POLARITY_MASK ], + mps_inti_flags_trigger[(p->inti_flags & ACPI_MADT_TRIGGER_MASK) >> 2], p->lint); } break; - case ACPI_MADT_LAPIC_ADDR_OVR: + case ACPI_MADT_TYPE_LOCAL_APIC_OVERRIDE: { - struct acpi_table_lapic_addr_ovr *p = - (struct acpi_table_lapic_addr_ovr *)header; + struct acpi_madt_local_apic_override *p = + (struct acpi_madt_local_apic_override *)header; printk(KERN_INFO PREFIX "LAPIC_ADDR_OVR (address[%p])\n", (void *)(unsigned long)p->address); } break; - case ACPI_MADT_IOSAPIC: + case ACPI_MADT_TYPE_IO_SAPIC: { - struct acpi_table_iosapic *p = - (struct acpi_table_iosapic *)header; + struct acpi_madt_io_sapic *p = + (struct acpi_madt_io_sapic *)header; printk(KERN_INFO PREFIX "IOSAPIC (id[0x%x] address[%p] gsi_base[%d])\n", p->id, (void *)(unsigned long)p->address, @@ -193,26 +136,26 @@ void acpi_table_print_madt_entry(acpi_table_entry_header * header) } break; - case ACPI_MADT_LSAPIC: + case ACPI_MADT_TYPE_LOCAL_SAPIC: { - struct acpi_table_lsapic *p = - (struct acpi_table_lsapic *)header; + struct acpi_madt_local_sapic *p = + (struct acpi_madt_local_sapic *)header; printk(KERN_INFO PREFIX "LSAPIC (acpi_id[0x%02x] lsapic_id[0x%02x] lsapic_eid[0x%02x] %s)\n", - p->acpi_id, p->id, p->eid, - p->flags.enabled ? "enabled" : "disabled"); + p->processor_id, p->id, p->eid, + (p->lapic_flags & ACPI_MADT_ENABLED) ? "enabled" : "disabled"); } break; - case ACPI_MADT_PLAT_INT_SRC: + case ACPI_MADT_TYPE_INTERRUPT_SOURCE: { - struct acpi_table_plat_int_src *p = - (struct acpi_table_plat_int_src *)header; + struct acpi_madt_interrupt_source *p = + (struct acpi_madt_interrupt_source *)header; printk(KERN_INFO PREFIX "PLAT_INT_SRC (%s %s type[0x%x] id[0x%04x] eid[0x%x] iosapic_vector[0x%x] global_irq[0x%x]\n", - mps_inti_flags_polarity[p->flags.polarity], - mps_inti_flags_trigger[p->flags.trigger], - p->type, p->id, p->eid, p->iosapic_vector, + mps_inti_flags_polarity[p->inti_flags & ACPI_MADT_POLARITY_MASK], + mps_inti_flags_trigger[(p->inti_flags & ACPI_MADT_TRIGGER_MASK) >> 2], + p->type, p->id, p->eid, p->io_sapic_vector, p->global_irq); } break; @@ -225,342 +168,76 @@ void acpi_table_print_madt_entry(acpi_table_entry_header * header) } } -static int -acpi_table_compute_checksum(void *table_pointer, unsigned long length) -{ - u8 *p = table_pointer; - unsigned long remains = length; - unsigned long sum = 0; - - if (!p || !length) - return -EINVAL; - - while (remains--) - sum += *p++; - - return (sum & 0xFF); -} -/* - * acpi_get_table_header_early() - * for acpi_blacklisted(), acpi_table_get_sdt() - */ int __init -acpi_get_table_header_early(enum acpi_table_id id, - struct acpi_table_header **header) -{ - unsigned int i; - enum acpi_table_id temp_id; - - /* DSDT is different from the rest */ - if (id == ACPI_DSDT) - temp_id = ACPI_FADT; - else - temp_id = id; - - /* Locate the table. */ - - for (i = 0; i < sdt_count; i++) { - if (sdt_entry[i].id != temp_id) - continue; - *header = (void *) - __acpi_map_table(sdt_entry[i].pa, sdt_entry[i].size); - if (!*header) { - printk(KERN_WARNING PREFIX "Unable to map %s\n", - acpi_table_signatures[temp_id]); - return -ENODEV; - } - break; - } - - if (!*header) { - printk(KERN_WARNING PREFIX "%s not present\n", - acpi_table_signatures[id]); - return -ENODEV; - } - - /* Map the DSDT header via the pointer in the FADT */ - if (id == ACPI_DSDT) { - struct fadt_descriptor *fadt = - (struct fadt_descriptor *)*header; - - if (fadt->revision == 3 && fadt->Xdsdt) { - *header = (void *)__acpi_map_table(fadt->Xdsdt, - sizeof(struct - acpi_table_header)); - } else if (fadt->V1_dsdt) { - *header = (void *)__acpi_map_table(fadt->V1_dsdt, - sizeof(struct - acpi_table_header)); - } else - *header = NULL; - - if (!*header) { - printk(KERN_WARNING PREFIX "Unable to map DSDT\n"); - return -ENODEV; - } - } - - return 0; -} - -int __init -acpi_table_parse_madt_family(enum acpi_table_id id, +acpi_table_parse_madt_family(char *id, unsigned long madt_size, int entry_id, acpi_madt_entry_handler handler, unsigned int max_entries) { - void *madt = NULL; - acpi_table_entry_header *entry; + struct acpi_table_header *madt = NULL; + struct acpi_subtable_header *entry; unsigned int count = 0; unsigned long madt_end; - unsigned int i; if (!handler) return -EINVAL; /* Locate the MADT (if exists). There should only be one. */ - - for (i = 0; i < sdt_count; i++) { - if (sdt_entry[i].id != id) - continue; - madt = (void *) - __acpi_map_table(sdt_entry[i].pa, sdt_entry[i].size); - if (!madt) { - printk(KERN_WARNING PREFIX "Unable to map %s\n", - acpi_table_signatures[id]); - return -ENODEV; - } - break; - } + acpi_get_table(id, 0, &madt); if (!madt) { - printk(KERN_WARNING PREFIX "%s not present\n", - acpi_table_signatures[id]); + printk(KERN_WARNING PREFIX "%4.4s not present\n", id); return -ENODEV; } - madt_end = (unsigned long)madt + sdt_entry[i].size; + madt_end = (unsigned long)madt + madt->length; /* Parse all entries looking for a match. */ - entry = (acpi_table_entry_header *) + entry = (struct acpi_subtable_header *) ((unsigned long)madt + madt_size); - while (((unsigned long)entry) + sizeof(acpi_table_entry_header) < + while (((unsigned long)entry) + sizeof(struct acpi_subtable_header) < madt_end) { if (entry->type == entry_id && (!max_entries || count++ < max_entries)) if (handler(entry, madt_end)) return -EINVAL; - entry = (acpi_table_entry_header *) + entry = (struct acpi_subtable_header *) ((unsigned long)entry + entry->length); } if (max_entries && count > max_entries) { - printk(KERN_WARNING PREFIX "[%s:0x%02x] ignored %i entries of " - "%i found\n", acpi_table_signatures[id], entry_id, - count - max_entries, count); + printk(KERN_WARNING PREFIX "[%4.4s:0x%02x] ignored %i entries of " + "%i found\n", id, entry_id, count - max_entries, count); } return count; } int __init -acpi_table_parse_madt(enum acpi_madt_entry_id id, +acpi_table_parse_madt(enum acpi_madt_type id, acpi_madt_entry_handler handler, unsigned int max_entries) { - return acpi_table_parse_madt_family(ACPI_APIC, + return acpi_table_parse_madt_family(ACPI_SIG_MADT, sizeof(struct acpi_table_madt), id, handler, max_entries); } -int __init acpi_table_parse(enum acpi_table_id id, acpi_table_handler handler) +int __init acpi_table_parse(char *id, acpi_table_handler handler) { - int count = 0; - unsigned int i = 0; - + struct acpi_table_header *table = NULL; if (!handler) return -EINVAL; - for (i = 0; i < sdt_count; i++) { - if (sdt_entry[i].id != id) - continue; - count++; - if (count == 1) - handler(sdt_entry[i].pa, sdt_entry[i].size); - - else - printk(KERN_WARNING PREFIX - "%d duplicate %s table ignored.\n", count, - acpi_table_signatures[id]); - } - - return count; -} - -static int __init acpi_table_get_sdt(struct acpi_table_rsdp *rsdp) -{ - struct acpi_table_header *header = NULL; - unsigned int i, id = 0; - - if (!rsdp) - return -EINVAL; - - /* First check XSDT (but only on ACPI 2.0-compatible systems) */ - - if ((rsdp->revision >= 2) && - (((struct acpi20_table_rsdp *)rsdp)->xsdt_address)) { - - struct acpi_table_xsdt *mapped_xsdt = NULL; - - sdt_pa = ((struct acpi20_table_rsdp *)rsdp)->xsdt_address; - - /* map in just the header */ - header = (struct acpi_table_header *) - __acpi_map_table(sdt_pa, sizeof(struct acpi_table_header)); - - if (!header) { - printk(KERN_WARNING PREFIX - "Unable to map XSDT header\n"); - return -ENODEV; - } - - /* remap in the entire table before processing */ - mapped_xsdt = (struct acpi_table_xsdt *) - __acpi_map_table(sdt_pa, header->length); - if (!mapped_xsdt) { - printk(KERN_WARNING PREFIX "Unable to map XSDT\n"); - return -ENODEV; - } - header = &mapped_xsdt->header; - - if (strncmp(header->signature, "XSDT", 4)) { - printk(KERN_WARNING PREFIX - "XSDT signature incorrect\n"); - return -ENODEV; - } - - if (acpi_table_compute_checksum(header, header->length)) { - printk(KERN_WARNING PREFIX "Invalid XSDT checksum\n"); - return -ENODEV; - } - - sdt_count = - (header->length - sizeof(struct acpi_table_header)) >> 3; - if (sdt_count > ACPI_MAX_TABLES) { - printk(KERN_WARNING PREFIX - "Truncated %lu XSDT entries\n", - (sdt_count - ACPI_MAX_TABLES)); - sdt_count = ACPI_MAX_TABLES; - } - - for (i = 0; i < sdt_count; i++) - sdt_entry[i].pa = (unsigned long)mapped_xsdt->entry[i]; - } - - /* Then check RSDT */ - - else if (rsdp->rsdt_address) { - - struct acpi_table_rsdt *mapped_rsdt = NULL; - - sdt_pa = rsdp->rsdt_address; - - /* map in just the header */ - header = (struct acpi_table_header *) - __acpi_map_table(sdt_pa, sizeof(struct acpi_table_header)); - if (!header) { - printk(KERN_WARNING PREFIX - "Unable to map RSDT header\n"); - return -ENODEV; - } - - /* remap in the entire table before processing */ - mapped_rsdt = (struct acpi_table_rsdt *) - __acpi_map_table(sdt_pa, header->length); - if (!mapped_rsdt) { - printk(KERN_WARNING PREFIX "Unable to map RSDT\n"); - return -ENODEV; - } - header = &mapped_rsdt->header; - - if (strncmp(header->signature, "RSDT", 4)) { - printk(KERN_WARNING PREFIX - "RSDT signature incorrect\n"); - return -ENODEV; - } - - if (acpi_table_compute_checksum(header, header->length)) { - printk(KERN_WARNING PREFIX "Invalid RSDT checksum\n"); - return -ENODEV; - } - - sdt_count = - (header->length - sizeof(struct acpi_table_header)) >> 2; - if (sdt_count > ACPI_MAX_TABLES) { - printk(KERN_WARNING PREFIX - "Truncated %lu RSDT entries\n", - (sdt_count - ACPI_MAX_TABLES)); - sdt_count = ACPI_MAX_TABLES; - } - - for (i = 0; i < sdt_count; i++) - sdt_entry[i].pa = (unsigned long)mapped_rsdt->entry[i]; - } - - else { - printk(KERN_WARNING PREFIX - "No System Description Table (RSDT/XSDT) specified in RSDP\n"); - return -ENODEV; - } - - acpi_table_print(header, sdt_pa); - - for (i = 0; i < sdt_count; i++) { - - /* map in just the header */ - header = (struct acpi_table_header *) - __acpi_map_table(sdt_entry[i].pa, - sizeof(struct acpi_table_header)); - if (!header) - continue; - - /* remap in the entire table before processing */ - header = (struct acpi_table_header *) - __acpi_map_table(sdt_entry[i].pa, header->length); - if (!header) - continue; - - acpi_table_print(header, sdt_entry[i].pa); - - if (acpi_table_compute_checksum(header, header->length)) { - printk(KERN_WARNING " >>> ERROR: Invalid checksum\n"); - continue; - } - - sdt_entry[i].size = header->length; - - for (id = 0; id < ACPI_TABLE_COUNT; id++) { - if (!strncmp((char *)&header->signature, - acpi_table_signatures[id], - sizeof(header->signature))) { - sdt_entry[i].id = id; - } - } - } - - /* - * The DSDT is *not* in the RSDT (why not? no idea.) but we want - * to print its info, because this is what people usually blacklist - * against. Unfortunately, we don't know the phys_addr, so just - * print 0. Maybe no one will notice. - */ - if (!acpi_get_table_header_early(ACPI_DSDT, &header)) - acpi_table_print(header, 0); - - return 0; + acpi_get_table(id, 0, &table); + if (table) { + handler(table); + return 1; + } else + return 0; } /* @@ -568,54 +245,13 @@ static int __init acpi_table_get_sdt(struct acpi_table_rsdp *rsdp) * * find RSDP, find and checksum SDT/XSDT. * checksum all tables, print SDT/XSDT - * + * * result: sdt_entry[] is initialized */ + int __init acpi_table_init(void) { - struct acpi_table_rsdp *rsdp = NULL; - unsigned long rsdp_phys = 0; - int result = 0; - - /* Locate and map the Root System Description Table (RSDP) */ - - rsdp_phys = acpi_find_rsdp(); - if (!rsdp_phys) { - printk(KERN_ERR PREFIX "Unable to locate RSDP\n"); - return -ENODEV; - } - - rsdp = (struct acpi_table_rsdp *)__acpi_map_table(rsdp_phys, - sizeof(struct acpi_table_rsdp)); - if (!rsdp) { - printk(KERN_WARNING PREFIX "Unable to map RSDP\n"); - return -ENODEV; - } - - printk(KERN_DEBUG PREFIX - "RSDP (v%3.3d %6.6s ) @ 0x%p\n", - rsdp->revision, rsdp->oem_id, (void *)rsdp_phys); - - if (rsdp->revision < 2) - result = - acpi_table_compute_checksum(rsdp, - sizeof(struct acpi_table_rsdp)); - else - result = - acpi_table_compute_checksum(rsdp, - ((struct acpi20_table_rsdp *) - rsdp)->length); - - if (result) { - printk(KERN_WARNING " >>> ERROR: Invalid checksum\n"); - return -ENODEV; - } - - /* Locate and map the System Description table (RSDT/XSDT) */ - - if (acpi_table_get_sdt(rsdp)) - return -ENODEV; - + acpi_initialize_tables(initial_tables, ACPI_MAX_TABLES, 0); return 0; } diff --git a/drivers/acpi/tables/Makefile b/drivers/acpi/tables/Makefile index aa4c69594d9..0a7d7afac25 100644 --- a/drivers/acpi/tables/Makefile +++ b/drivers/acpi/tables/Makefile @@ -2,7 +2,6 @@ # Makefile for all Linux ACPI interpreter subdirectories # -obj-y := tbconvrt.o tbget.o tbrsdt.o tbxface.o \ - tbgetall.o tbinstal.o tbutils.o tbxfroot.o +obj-y := tbxface.o tbinstal.o tbutils.o tbfind.o tbfadt.o EXTRA_CFLAGS += $(ACPI_CFLAGS) diff --git a/drivers/acpi/tables/tbconvrt.c b/drivers/acpi/tables/tbconvrt.c deleted file mode 100644 index d697fcb35d5..00000000000 --- a/drivers/acpi/tables/tbconvrt.c +++ /dev/null @@ -1,622 +0,0 @@ -/****************************************************************************** - * - * Module Name: tbconvrt - ACPI Table conversion utilities - * - *****************************************************************************/ - -/* - * Copyright (C) 2000 - 2006, R. Byron Moore - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions, and the following disclaimer, - * without modification. - * 2. Redistributions in binary form must reproduce at minimum a disclaimer - * substantially similar to the "NO WARRANTY" disclaimer below - * ("Disclaimer") and any redistribution must be conditioned upon - * including a substantially similar Disclaimer requirement for further - * binary redistribution. - * 3. Neither the names of the above-listed copyright holders nor the names - * of any contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * Alternatively, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2 as published by the Free - * Software Foundation. - * - * NO WARRANTY - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGES. - */ - -#include <acpi/acpi.h> -#include <acpi/actables.h> - -#define _COMPONENT ACPI_TABLES -ACPI_MODULE_NAME("tbconvrt") - -/* Local prototypes */ -static void -acpi_tb_init_generic_address(struct acpi_generic_address *new_gas_struct, - u8 register_bit_width, - acpi_physical_address address); - -static void -acpi_tb_convert_fadt1(struct fadt_descriptor *local_fadt, - struct fadt_descriptor_rev1 *original_fadt); - -static void -acpi_tb_convert_fadt2(struct fadt_descriptor *local_fadt, - struct fadt_descriptor *original_fadt); - -u8 acpi_fadt_is_v1; -ACPI_EXPORT_SYMBOL(acpi_fadt_is_v1) - -/******************************************************************************* - * - * FUNCTION: acpi_tb_get_table_count - * - * PARAMETERS: RSDP - Pointer to the RSDP - * RSDT - Pointer to the RSDT/XSDT - * - * RETURN: The number of tables pointed to by the RSDT or XSDT. - * - * DESCRIPTION: Calculate the number of tables. Automatically handles either - * an RSDT or XSDT. - * - ******************************************************************************/ - -u32 -acpi_tb_get_table_count(struct rsdp_descriptor *RSDP, - struct acpi_table_header *RSDT) -{ - u32 pointer_size; - - ACPI_FUNCTION_ENTRY(); - - /* RSDT pointers are 32 bits, XSDT pointers are 64 bits */ - - if (acpi_gbl_root_table_type == ACPI_TABLE_TYPE_RSDT) { - pointer_size = sizeof(u32); - } else { - pointer_size = sizeof(u64); - } - - /* - * Determine the number of tables pointed to by the RSDT/XSDT. - * This is defined by the ACPI Specification to be the number of - * pointers contained within the RSDT/XSDT. The size of the pointers - * is architecture-dependent. - */ - return ((RSDT->length - - sizeof(struct acpi_table_header)) / pointer_size); -} - -/******************************************************************************* - * - * FUNCTION: acpi_tb_convert_to_xsdt - * - * PARAMETERS: table_info - Info about the RSDT - * - * RETURN: Status - * - * DESCRIPTION: Convert an RSDT to an XSDT (internal common format) - * - ******************************************************************************/ - -acpi_status acpi_tb_convert_to_xsdt(struct acpi_table_desc *table_info) -{ - acpi_size table_size; - u32 i; - struct xsdt_descriptor *new_table; - - ACPI_FUNCTION_ENTRY(); - - /* Compute size of the converted XSDT */ - - table_size = ((acpi_size) acpi_gbl_rsdt_table_count * sizeof(u64)) + - sizeof(struct acpi_table_header); - - /* Allocate an XSDT */ - - new_table = ACPI_ALLOCATE_ZEROED(table_size); - if (!new_table) { - return (AE_NO_MEMORY); - } - - /* Copy the header and set the length */ - - ACPI_MEMCPY(new_table, table_info->pointer, - sizeof(struct acpi_table_header)); - new_table->length = (u32) table_size; - - /* Copy the table pointers */ - - for (i = 0; i < acpi_gbl_rsdt_table_count; i++) { - - /* RSDT pointers are 32 bits, XSDT pointers are 64 bits */ - - if (acpi_gbl_root_table_type == ACPI_TABLE_TYPE_RSDT) { - ACPI_STORE_ADDRESS(new_table->table_offset_entry[i], - (ACPI_CAST_PTR - (struct rsdt_descriptor, - table_info->pointer))-> - table_offset_entry[i]); - } else { - new_table->table_offset_entry[i] = - (ACPI_CAST_PTR(struct xsdt_descriptor, - table_info->pointer))-> - table_offset_entry[i]; - } - } - - /* Delete the original table (either mapped or in a buffer) */ - - acpi_tb_delete_single_table(table_info); - - /* Point the table descriptor to the new table */ - - table_info->pointer = - ACPI_CAST_PTR(struct acpi_table_header, new_table); - table_info->length = table_size; - table_info->allocation = ACPI_MEM_ALLOCATED; - - return (AE_OK); -} - -/******************************************************************************* - * - * FUNCTION: acpi_tb_init_generic_address - * - * PARAMETERS: new_gas_struct - GAS struct to be initialized - * register_bit_width - Width of this register - * Address - Address of the register - * - * RETURN: None - * - * DESCRIPTION: Initialize a GAS structure. - * - ******************************************************************************/ - -static void -acpi_tb_init_generic_address(struct acpi_generic_address *new_gas_struct, - u8 register_bit_width, - acpi_physical_address address) -{ - - ACPI_STORE_ADDRESS(new_gas_struct->address, address); - - new_gas_struct->address_space_id = ACPI_ADR_SPACE_SYSTEM_IO; - new_gas_struct->register_bit_width = register_bit_width; - new_gas_struct->register_bit_offset = 0; - new_gas_struct->access_width = 0; -} - -/******************************************************************************* - * - * FUNCTION: acpi_tb_convert_fadt1 - * - * PARAMETERS: local_fadt - Pointer to new FADT - * original_fadt - Pointer to old FADT - * - * RETURN: None, populates local_fadt - * - * DESCRIPTION: Convert an ACPI 1.0 FADT to common internal format - * - ******************************************************************************/ - -static void -acpi_tb_convert_fadt1(struct fadt_descriptor *local_fadt, - struct fadt_descriptor_rev1 *original_fadt) -{ - - /* ACPI 1.0 FACS */ - /* The BIOS stored FADT should agree with Revision 1.0 */ - acpi_fadt_is_v1 = 1; - - /* - * Copy the table header and the common part of the tables. - * - * The 2.0 table is an extension of the 1.0 table, so the entire 1.0 - * table can be copied first, then expand some fields to 64 bits. - */ - ACPI_MEMCPY(local_fadt, original_fadt, - sizeof(struct fadt_descriptor_rev1)); - - /* Convert table pointers to 64-bit fields */ - - ACPI_STORE_ADDRESS(local_fadt->xfirmware_ctrl, - local_fadt->V1_firmware_ctrl); - ACPI_STORE_ADDRESS(local_fadt->Xdsdt, local_fadt->V1_dsdt); - - /* - * System Interrupt Model isn't used in ACPI 2.0 - * (local_fadt->Reserved1 = 0;) - */ - - /* - * This field is set by the OEM to convey the preferred power management - * profile to OSPM. It doesn't have any 1.0 equivalence. Since we don't - * know what kind of 32-bit system this is, we will use "unspecified". - */ - local_fadt->prefer_PM_profile = PM_UNSPECIFIED; - - /* - * Processor Performance State Control. This is the value OSPM writes to - * the SMI_CMD register to assume processor performance state control - * responsibility. There isn't any equivalence in 1.0, but as many 1.x - * ACPI tables contain _PCT and _PSS we also keep this value, unless - * acpi_strict is set. - */ - if (acpi_strict) - local_fadt->pstate_cnt = 0; - - /* - * Support for the _CST object and C States change notification. - * This data item hasn't any 1.0 equivalence so leave it zero. - */ - local_fadt->cst_cnt = 0; - - /* - * FADT Rev 2 was an interim FADT released between ACPI 1.0 and ACPI 2.0. - * It primarily adds the FADT reset mechanism. - */ - if ((original_fadt->revision == 2) && - (original_fadt->length == - sizeof(struct fadt_descriptor_rev2_minus))) { - /* - * Grab the entire generic address struct, plus the 1-byte reset value - * that immediately follows. - */ - ACPI_MEMCPY(&local_fadt->reset_register, - &(ACPI_CAST_PTR(struct fadt_descriptor_rev2_minus, - original_fadt))->reset_register, - sizeof(struct acpi_generic_address) + 1); - } else { - /* - * Since there isn't any equivalence in 1.0 and since it is highly - * likely that a 1.0 system has legacy support. - */ - local_fadt->iapc_boot_arch = BAF_LEGACY_DEVICES; - } - - /* - * Convert the V1.0 block addresses to V2.0 GAS structures - */ - acpi_tb_init_generic_address(&local_fadt->xpm1a_evt_blk, - local_fadt->pm1_evt_len, - (acpi_physical_address) local_fadt-> - V1_pm1a_evt_blk); - acpi_tb_init_generic_address(&local_fadt->xpm1b_evt_blk, - local_fadt->pm1_evt_len, - (acpi_physical_address) local_fadt-> - V1_pm1b_evt_blk); - acpi_tb_init_generic_address(&local_fadt->xpm1a_cnt_blk, - local_fadt->pm1_cnt_len, - (acpi_physical_address) local_fadt-> - V1_pm1a_cnt_blk); - acpi_tb_init_generic_address(&local_fadt->xpm1b_cnt_blk, - local_fadt->pm1_cnt_len, - (acpi_physical_address) local_fadt-> - V1_pm1b_cnt_blk); - acpi_tb_init_generic_address(&local_fadt->xpm2_cnt_blk, - local_fadt->pm2_cnt_len, - (acpi_physical_address) local_fadt-> - V1_pm2_cnt_blk); - acpi_tb_init_generic_address(&local_fadt->xpm_tmr_blk, - local_fadt->pm_tm_len, - (acpi_physical_address) local_fadt-> - V1_pm_tmr_blk); - acpi_tb_init_generic_address(&local_fadt->xgpe0_blk, 0, - (acpi_physical_address) local_fadt-> - V1_gpe0_blk); - acpi_tb_init_generic_address(&local_fadt->xgpe1_blk, 0, - (acpi_physical_address) local_fadt-> - V1_gpe1_blk); - - /* Create separate GAS structs for the PM1 Enable registers */ - - acpi_tb_init_generic_address(&acpi_gbl_xpm1a_enable, - (u8) ACPI_DIV_2(acpi_gbl_FADT-> - pm1_evt_len), - (acpi_physical_address) - (local_fadt->xpm1a_evt_blk.address + - ACPI_DIV_2(acpi_gbl_FADT->pm1_evt_len))); - - /* PM1B is optional; leave null if not present */ - - if (local_fadt->xpm1b_evt_blk.address) { - acpi_tb_init_generic_address(&acpi_gbl_xpm1b_enable, - (u8) ACPI_DIV_2(acpi_gbl_FADT-> - pm1_evt_len), - (acpi_physical_address) - (local_fadt->xpm1b_evt_blk. - address + - ACPI_DIV_2(acpi_gbl_FADT-> - pm1_evt_len))); - } -} - -/******************************************************************************* - * - * FUNCTION: acpi_tb_convert_fadt2 - * - * PARAMETERS: local_fadt - Pointer to new FADT - * original_fadt - Pointer to old FADT - * - * RETURN: None, populates local_fadt - * - * DESCRIPTION: Convert an ACPI 2.0 FADT to common internal format. - * Handles optional "X" fields. - * - ******************************************************************************/ - -static void -acpi_tb_convert_fadt2(struct fadt_descriptor *local_fadt, - struct fadt_descriptor *original_fadt) -{ - - /* We have an ACPI 2.0 FADT but we must copy it to our local buffer */ - - ACPI_MEMCPY(local_fadt, original_fadt, sizeof(struct fadt_descriptor)); - - /* - * "X" fields are optional extensions to the original V1.0 fields, so - * we must selectively expand V1.0 fields if the corresponding X field - * is zero. - */ - if (!(local_fadt->xfirmware_ctrl)) { - ACPI_STORE_ADDRESS(local_fadt->xfirmware_ctrl, - local_fadt->V1_firmware_ctrl); - } - - if (!(local_fadt->Xdsdt)) { - ACPI_STORE_ADDRESS(local_fadt->Xdsdt, local_fadt->V1_dsdt); - } - - if (!(local_fadt->xpm1a_evt_blk.address)) { - acpi_tb_init_generic_address(&local_fadt->xpm1a_evt_blk, - local_fadt->pm1_evt_len, - (acpi_physical_address) - local_fadt->V1_pm1a_evt_blk); - } - - if (!(local_fadt->xpm1b_evt_blk.address)) { - acpi_tb_init_generic_address(&local_fadt->xpm1b_evt_blk, - local_fadt->pm1_evt_len, - (acpi_physical_address) - local_fadt->V1_pm1b_evt_blk); - } - - if (!(local_fadt->xpm1a_cnt_blk.address)) { - acpi_tb_init_generic_address(&local_fadt->xpm1a_cnt_blk, - local_fadt->pm1_cnt_len, - (acpi_physical_address) - local_fadt->V1_pm1a_cnt_blk); - } - - if (!(local_fadt->xpm1b_cnt_blk.address)) { - acpi_tb_init_generic_address(&local_fadt->xpm1b_cnt_blk, - local_fadt->pm1_cnt_len, - (acpi_physical_address) - local_fadt->V1_pm1b_cnt_blk); - } - - if (!(local_fadt->xpm2_cnt_blk.address)) { - acpi_tb_init_generic_address(&local_fadt->xpm2_cnt_blk, - local_fadt->pm2_cnt_len, - (acpi_physical_address) - local_fadt->V1_pm2_cnt_blk); - } - - if (!(local_fadt->xpm_tmr_blk.address)) { - acpi_tb_init_generic_address(&local_fadt->xpm_tmr_blk, - local_fadt->pm_tm_len, - (acpi_physical_address) - local_fadt->V1_pm_tmr_blk); - } - - if (!(local_fadt->xgpe0_blk.address)) { - acpi_tb_init_generic_address(&local_fadt->xgpe0_blk, - 0, - (acpi_physical_address) - local_fadt->V1_gpe0_blk); - } - - if (!(local_fadt->xgpe1_blk.address)) { - acpi_tb_init_generic_address(&local_fadt->xgpe1_blk, - 0, - (acpi_physical_address) - local_fadt->V1_gpe1_blk); - } - - /* Create separate GAS structs for the PM1 Enable registers */ - - acpi_tb_init_generic_address(&acpi_gbl_xpm1a_enable, - (u8) ACPI_DIV_2(acpi_gbl_FADT-> - pm1_evt_len), - (acpi_physical_address) - (local_fadt->xpm1a_evt_blk.address + - ACPI_DIV_2(acpi_gbl_FADT->pm1_evt_len))); - - acpi_gbl_xpm1a_enable.address_space_id = - local_fadt->xpm1a_evt_blk.address_space_id; - - /* PM1B is optional; leave null if not present */ - - if (local_fadt->xpm1b_evt_blk.address) { - acpi_tb_init_generic_address(&acpi_gbl_xpm1b_enable, - (u8) ACPI_DIV_2(acpi_gbl_FADT-> - pm1_evt_len), - (acpi_physical_address) - (local_fadt->xpm1b_evt_blk. - address + - ACPI_DIV_2(acpi_gbl_FADT-> - pm1_evt_len))); - - acpi_gbl_xpm1b_enable.address_space_id = - local_fadt->xpm1b_evt_blk.address_space_id; - } -} - -/******************************************************************************* - * - * FUNCTION: acpi_tb_convert_table_fadt - * - * PARAMETERS: None - * - * RETURN: Status - * - * DESCRIPTION: Converts a BIOS supplied ACPI 1.0 FADT to a local - * ACPI 2.0 FADT. If the BIOS supplied a 2.0 FADT then it is simply - * copied to the local FADT. The ACPI CA software uses this - * local FADT. Thus a significant amount of special #ifdef - * type codeing is saved. - * - ******************************************************************************/ - -acpi_status acpi_tb_convert_table_fadt(void) -{ - struct fadt_descriptor *local_fadt; - struct acpi_table_desc *table_desc; - - ACPI_FUNCTION_TRACE(tb_convert_table_fadt); - - /* - * acpi_gbl_FADT is valid. Validate the FADT length. The table must be - * at least as long as the version 1.0 FADT - */ - if (acpi_gbl_FADT->length < sizeof(struct fadt_descriptor_rev1)) { - ACPI_ERROR((AE_INFO, "FADT is invalid, too short: 0x%X", - acpi_gbl_FADT->length)); - return_ACPI_STATUS(AE_INVALID_TABLE_LENGTH); - } - - /* Allocate buffer for the ACPI 2.0(+) FADT */ - - local_fadt = ACPI_ALLOCATE_ZEROED(sizeof(struct fadt_descriptor)); - if (!local_fadt) { - return_ACPI_STATUS(AE_NO_MEMORY); - } - - if (acpi_gbl_FADT->revision >= FADT2_REVISION_ID) { - if (acpi_gbl_FADT->length < sizeof(struct fadt_descriptor)) { - - /* Length is too short to be a V2.0 table */ - - ACPI_WARNING((AE_INFO, - "Inconsistent FADT length (0x%X) and revision (0x%X), using FADT V1.0 portion of table", - acpi_gbl_FADT->length, - acpi_gbl_FADT->revision)); - - acpi_tb_convert_fadt1(local_fadt, - (void *)acpi_gbl_FADT); - } else { - /* Valid V2.0 table */ - - acpi_tb_convert_fadt2(local_fadt, acpi_gbl_FADT); - } - } else { - /* Valid V1.0 table */ - - acpi_tb_convert_fadt1(local_fadt, (void *)acpi_gbl_FADT); - } - - /* Global FADT pointer will point to the new common V2.0 FADT */ - - acpi_gbl_FADT = local_fadt; - acpi_gbl_FADT->length = sizeof(struct fadt_descriptor); - - /* Free the original table */ - - table_desc = acpi_gbl_table_lists[ACPI_TABLE_ID_FADT].next; - acpi_tb_delete_single_table(table_desc); - - /* Install the new table */ - - table_desc->pointer = - ACPI_CAST_PTR(struct acpi_table_header, acpi_gbl_FADT); - table_desc->allocation = ACPI_MEM_ALLOCATED; - table_desc->length = sizeof(struct fadt_descriptor); - - /* Dump the entire FADT */ - - ACPI_DEBUG_PRINT((ACPI_DB_TABLES, - "Hex dump of common internal FADT, size %d (%X)\n", - acpi_gbl_FADT->length, acpi_gbl_FADT->length)); - - ACPI_DUMP_BUFFER(ACPI_CAST_PTR(u8, acpi_gbl_FADT), - acpi_gbl_FADT->length); - - return_ACPI_STATUS(AE_OK); -} - -/******************************************************************************* - * - * FUNCTION: acpi_tb_build_common_facs - * - * PARAMETERS: table_info - Info for currently installed FACS - * - * RETURN: Status - * - * DESCRIPTION: Convert ACPI 1.0 and ACPI 2.0 FACS to a common internal - * table format. - * - ******************************************************************************/ - -acpi_status acpi_tb_build_common_facs(struct acpi_table_desc *table_info) -{ - - ACPI_FUNCTION_TRACE(tb_build_common_facs); - - /* Absolute minimum length is 24, but the ACPI spec says 64 */ - - if (acpi_gbl_FACS->length < 24) { - ACPI_ERROR((AE_INFO, "Invalid FACS table length: 0x%X", - acpi_gbl_FACS->length)); - return_ACPI_STATUS(AE_INVALID_TABLE_LENGTH); - } - - if (acpi_gbl_FACS->length < 64) { - ACPI_WARNING((AE_INFO, - "FACS is shorter than the ACPI specification allows: 0x%X, using anyway", - acpi_gbl_FACS->length)); - } - - /* Copy fields to the new FACS */ - - acpi_gbl_common_fACS.global_lock = &(acpi_gbl_FACS->global_lock); - - if ((acpi_gbl_RSDP->revision < 2) || - (acpi_gbl_FACS->length < 32) || - (!(acpi_gbl_FACS->xfirmware_waking_vector))) { - - /* ACPI 1.0 FACS or short table or optional X_ field is zero */ - - acpi_gbl_common_fACS.firmware_waking_vector = ACPI_CAST_PTR(u64, - & - (acpi_gbl_FACS-> - firmware_waking_vector)); - acpi_gbl_common_fACS.vector_width = 32; - } else { - /* ACPI 2.0 FACS with valid X_ field */ - - acpi_gbl_common_fACS.firmware_waking_vector = - &acpi_gbl_FACS->xfirmware_waking_vector; - acpi_gbl_common_fACS.vector_width = 64; - } - - return_ACPI_STATUS(AE_OK); -} diff --git a/drivers/acpi/tables/tbfadt.c b/drivers/acpi/tables/tbfadt.c new file mode 100644 index 00000000000..807c7116e94 --- /dev/null +++ b/drivers/acpi/tables/tbfadt.c @@ -0,0 +1,434 @@ +/****************************************************************************** + * + * Module Name: tbfadt - FADT table utilities + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2007, R. Byron Moore + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + */ + +#include <acpi/acpi.h> +#include <acpi/actables.h> + +#define _COMPONENT ACPI_TABLES +ACPI_MODULE_NAME("tbfadt") + +/* Local prototypes */ +static void inline +acpi_tb_init_generic_address(struct acpi_generic_address *generic_address, + u8 bit_width, u64 address); + +static void acpi_tb_convert_fadt(void); + +static void acpi_tb_validate_fadt(void); + +/* Table for conversion of FADT to common internal format and FADT validation */ + +typedef struct acpi_fadt_info { + char *name; + u8 target; + u8 source; + u8 length; + u8 type; + +} acpi_fadt_info; + +#define ACPI_FADT_REQUIRED 1 +#define ACPI_FADT_SEPARATE_LENGTH 2 + +static struct acpi_fadt_info fadt_info_table[] = { + {"Pm1aEventBlock", ACPI_FADT_OFFSET(xpm1a_event_block), + ACPI_FADT_OFFSET(pm1a_event_block), + ACPI_FADT_OFFSET(pm1_event_length), ACPI_FADT_REQUIRED}, + + {"Pm1bEventBlock", ACPI_FADT_OFFSET(xpm1b_event_block), + ACPI_FADT_OFFSET(pm1b_event_block), + ACPI_FADT_OFFSET(pm1_event_length), 0}, + + {"Pm1aControlBlock", ACPI_FADT_OFFSET(xpm1a_control_block), + ACPI_FADT_OFFSET(pm1a_control_block), + ACPI_FADT_OFFSET(pm1_control_length), ACPI_FADT_REQUIRED}, + + {"Pm1bControlBlock", ACPI_FADT_OFFSET(xpm1b_control_block), + ACPI_FADT_OFFSET(pm1b_control_block), + ACPI_FADT_OFFSET(pm1_control_length), 0}, + + {"Pm2ControlBlock", ACPI_FADT_OFFSET(xpm2_control_block), + ACPI_FADT_OFFSET(pm2_control_block), + ACPI_FADT_OFFSET(pm2_control_length), ACPI_FADT_SEPARATE_LENGTH}, + + {"PmTimerBlock", ACPI_FADT_OFFSET(xpm_timer_block), + ACPI_FADT_OFFSET(pm_timer_block), + ACPI_FADT_OFFSET(pm_timer_length), ACPI_FADT_REQUIRED}, + + {"Gpe0Block", ACPI_FADT_OFFSET(xgpe0_block), + ACPI_FADT_OFFSET(gpe0_block), + ACPI_FADT_OFFSET(gpe0_block_length), ACPI_FADT_SEPARATE_LENGTH}, + + {"Gpe1Block", ACPI_FADT_OFFSET(xgpe1_block), + ACPI_FADT_OFFSET(gpe1_block), + ACPI_FADT_OFFSET(gpe1_block_length), ACPI_FADT_SEPARATE_LENGTH} +}; + +#define ACPI_FADT_INFO_ENTRIES (sizeof (fadt_info_table) / sizeof (struct acpi_fadt_info)) + +/******************************************************************************* + * + * FUNCTION: acpi_tb_init_generic_address + * + * PARAMETERS: generic_address - GAS struct to be initialized + * bit_width - Width of this register + * Address - Address of the register + * + * RETURN: None + * + * DESCRIPTION: Initialize a Generic Address Structure (GAS) + * See the ACPI specification for a full description and + * definition of this structure. + * + ******************************************************************************/ + +static void inline +acpi_tb_init_generic_address(struct acpi_generic_address *generic_address, + u8 bit_width, u64 address) +{ + + /* + * The 64-bit Address field is non-aligned in the byte packed + * GAS struct. + */ + ACPI_MOVE_64_TO_64(&generic_address->address, &address); + + /* All other fields are byte-wide */ + + generic_address->space_id = ACPI_ADR_SPACE_SYSTEM_IO; + generic_address->bit_width = bit_width; + generic_address->bit_offset = 0; + generic_address->access_width = 0; +} + +/******************************************************************************* + * + * FUNCTION: acpi_tb_parse_fadt + * + * PARAMETERS: table_index - Index for the FADT + * Flags - Flags + * + * RETURN: None + * + * DESCRIPTION: Initialize the FADT, DSDT and FACS tables + * (FADT contains the addresses of the DSDT and FACS) + * + ******************************************************************************/ + +void acpi_tb_parse_fadt(acpi_native_uint table_index, u8 flags) +{ + u32 length; + struct acpi_table_header *table; + + /* + * The FADT has multiple versions with different lengths, + * and it contains pointers to both the DSDT and FACS tables. + * + * Get a local copy of the FADT and convert it to a common format + * Map entire FADT, assumed to be smaller than one page. + */ + length = acpi_gbl_root_table_list.tables[table_index].length; + + table = + acpi_os_map_memory(acpi_gbl_root_table_list.tables[table_index]. + address, length); + if (!table) { + return; + } + + /* + * Validate the FADT checksum before we copy the table. Ignore + * checksum error as we want to try to get the DSDT and FACS. + */ + (void)acpi_tb_verify_checksum(table, length); + + /* Obtain a local copy of the FADT in common ACPI 2.0+ format */ + + acpi_tb_create_local_fadt(table, length); + + /* All done with the real FADT, unmap it */ + + acpi_os_unmap_memory(table, length); + + /* Obtain the DSDT and FACS tables via their addresses within the FADT */ + + acpi_tb_install_table((acpi_physical_address) acpi_gbl_FADT.Xdsdt, + flags, ACPI_SIG_DSDT, ACPI_TABLE_INDEX_DSDT); + + acpi_tb_install_table((acpi_physical_address) acpi_gbl_FADT.Xfacs, + flags, ACPI_SIG_FACS, ACPI_TABLE_INDEX_FACS); +} + +/******************************************************************************* + * + * FUNCTION: acpi_tb_create_local_fadt + * + * PARAMETERS: Table - Pointer to BIOS FADT + * Length - Length of the table + * + * RETURN: None + * + * DESCRIPTION: Get a local copy of the FADT and convert it to a common format. + * Performs validation on some important FADT fields. + * + ******************************************************************************/ + +void acpi_tb_create_local_fadt(struct acpi_table_header *table, u32 length) +{ + + /* + * Check if the FADT is larger than what we know about (ACPI 2.0 version). + * Truncate the table, but make some noise. + */ + if (length > sizeof(struct acpi_table_fadt)) { + ACPI_WARNING((AE_INFO, + "FADT (revision %u) is longer than ACPI 2.0 version, truncating length 0x%X to 0x%zX", + table->revision, (unsigned)length, + sizeof(struct acpi_table_fadt))); + } + + /* Copy the entire FADT locally. Zero first for tb_convert_fadt */ + + ACPI_MEMSET(&acpi_gbl_FADT, 0, sizeof(struct acpi_table_fadt)); + + ACPI_MEMCPY(&acpi_gbl_FADT, table, + ACPI_MIN(length, sizeof(struct acpi_table_fadt))); + + /* + * 1) Convert the local copy of the FADT to the common internal format + * 2) Validate some of the important values within the FADT + */ + acpi_tb_convert_fadt(); + acpi_tb_validate_fadt(); +} + +/******************************************************************************* + * + * FUNCTION: acpi_tb_convert_fadt + * + * PARAMETERS: None, uses acpi_gbl_FADT + * + * RETURN: None + * + * DESCRIPTION: Converts all versions of the FADT to a common internal format. + * -> Expand all 32-bit addresses to 64-bit. + * + * NOTE: acpi_gbl_FADT must be of size (struct acpi_table_fadt), + * and must contain a copy of the actual FADT. + * + * ACPICA will use the "X" fields of the FADT for all addresses. + * + * "X" fields are optional extensions to the original V1.0 fields. Even if + * they are present in the structure, they can be optionally not used by + * setting them to zero. Therefore, we must selectively expand V1.0 fields + * if the corresponding X field is zero. + * + * For ACPI 1.0 FADTs, all address fields are expanded to the corresponding + * "X" fields. + * + * For ACPI 2.0 FADTs, any "X" fields that are NULL are filled in by + * expanding the corresponding ACPI 1.0 field. + * + ******************************************************************************/ + +static void acpi_tb_convert_fadt(void) +{ + u8 pm1_register_length; + struct acpi_generic_address *target; + acpi_native_uint i; + + /* Update the local FADT table header length */ + + acpi_gbl_FADT.header.length = sizeof(struct acpi_table_fadt); + + /* Expand the 32-bit FACS and DSDT addresses to 64-bit as necessary */ + + if (!acpi_gbl_FADT.Xfacs) { + acpi_gbl_FADT.Xfacs = (u64) acpi_gbl_FADT.facs; + } + + if (!acpi_gbl_FADT.Xdsdt) { + acpi_gbl_FADT.Xdsdt = (u64) acpi_gbl_FADT.dsdt; + } + + /* + * Expand the 32-bit V1.0 addresses to the 64-bit "X" generic address + * structures as necessary. + */ + for (i = 0; i < ACPI_FADT_INFO_ENTRIES; i++) { + target = + ACPI_ADD_PTR(struct acpi_generic_address, &acpi_gbl_FADT, + fadt_info_table[i].target); + + /* Expand only if the X target is null */ + + if (!target->address) { + acpi_tb_init_generic_address(target, + *ACPI_ADD_PTR(u8, + &acpi_gbl_FADT, + fadt_info_table + [i].length), + (u64) * ACPI_ADD_PTR(u32, + &acpi_gbl_FADT, + fadt_info_table + [i]. + source)); + } + } + + /* + * Calculate separate GAS structs for the PM1 Enable registers. + * These addresses do not appear (directly) in the FADT, so it is + * useful to calculate them once, here. + * + * The PM event blocks are split into two register blocks, first is the + * PM Status Register block, followed immediately by the PM Enable Register + * block. Each is of length (pm1_event_length/2) + */ + pm1_register_length = (u8) ACPI_DIV_2(acpi_gbl_FADT.pm1_event_length); + + /* The PM1A register block is required */ + + acpi_tb_init_generic_address(&acpi_gbl_xpm1a_enable, + pm1_register_length, + (acpi_gbl_FADT.xpm1a_event_block.address + + pm1_register_length)); + /* Don't forget to copy space_id of the GAS */ + acpi_gbl_xpm1a_enable.space_id = acpi_gbl_FADT.xpm1a_event_block.space_id; + + /* The PM1B register block is optional, ignore if not present */ + + if (acpi_gbl_FADT.xpm1b_event_block.address) { + acpi_tb_init_generic_address(&acpi_gbl_xpm1b_enable, + pm1_register_length, + (acpi_gbl_FADT.xpm1b_event_block. + address + pm1_register_length)); + /* Don't forget to copy space_id of the GAS */ + acpi_gbl_xpm1b_enable.space_id = acpi_gbl_FADT.xpm1a_event_block.space_id; + + } +} + +/****************************************************************************** + * + * FUNCTION: acpi_tb_validate_fadt + * + * PARAMETERS: Table - Pointer to the FADT to be validated + * + * RETURN: None + * + * DESCRIPTION: Validate various important fields within the FADT. If a problem + * is found, issue a message, but no status is returned. + * Used by both the table manager and the disassembler. + * + * Possible additional checks: + * (acpi_gbl_FADT.pm1_event_length >= 4) + * (acpi_gbl_FADT.pm1_control_length >= 2) + * (acpi_gbl_FADT.pm_timer_length >= 4) + * Gpe block lengths must be multiple of 2 + * + ******************************************************************************/ + +static void acpi_tb_validate_fadt(void) +{ + u32 *address32; + struct acpi_generic_address *address64; + u8 length; + acpi_native_uint i; + + /* Examine all of the 64-bit extended address fields (X fields) */ + + for (i = 0; i < ACPI_FADT_INFO_ENTRIES; i++) { + + /* Generate pointers to the 32-bit and 64-bit addresses and get the length */ + + address64 = + ACPI_ADD_PTR(struct acpi_generic_address, &acpi_gbl_FADT, + fadt_info_table[i].target); + address32 = + ACPI_ADD_PTR(u32, &acpi_gbl_FADT, + fadt_info_table[i].source); + length = + *ACPI_ADD_PTR(u8, &acpi_gbl_FADT, + fadt_info_table[i].length); + + if (fadt_info_table[i].type & ACPI_FADT_REQUIRED) { + /* + * Field is required (Pm1a_event, Pm1a_control, pm_timer). + * Both the address and length must be non-zero. + */ + if (!address64->address || !length) { + ACPI_ERROR((AE_INFO, + "Required field \"%s\" has zero address and/or length: %8.8X%8.8X/%X", + fadt_info_table[i].name, + ACPI_FORMAT_UINT64(address64-> + address), + length)); + } + } else if (fadt_info_table[i].type & ACPI_FADT_SEPARATE_LENGTH) { + /* + * Field is optional (PM2Control, GPE0, GPE1) AND has its own + * length field. If present, both the address and length must be valid. + */ + if ((address64->address && !length) + || (!address64->address && length)) { + ACPI_WARNING((AE_INFO, + "Optional field \"%s\" has zero address or length: %8.8X%8.8X/%X", + fadt_info_table[i].name, + ACPI_FORMAT_UINT64(address64-> + address), + length)); + } + } + + /* If both 32- and 64-bit addresses are valid (non-zero), they must match */ + + if (address64->address && *address32 && + (address64->address != (u64) * address32)) { + ACPI_ERROR((AE_INFO, + "32/64X address mismatch in \"%s\": [%8.8X] [%8.8X%8.8X], using 64X", + fadt_info_table[i].name, *address32, + ACPI_FORMAT_UINT64(address64->address))); + } + } +} diff --git a/drivers/acpi/tables/tbfind.c b/drivers/acpi/tables/tbfind.c new file mode 100644 index 00000000000..058c064948e --- /dev/null +++ b/drivers/acpi/tables/tbfind.c @@ -0,0 +1,126 @@ +/****************************************************************************** + * + * Module Name: tbfind - find table + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2007, R. Byron Moore + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + */ + +#include <acpi/acpi.h> +#include <acpi/actables.h> + +#define _COMPONENT ACPI_TABLES +ACPI_MODULE_NAME("tbfind") + +/******************************************************************************* + * + * FUNCTION: acpi_tb_find_table + * + * PARAMETERS: Signature - String with ACPI table signature + * oem_id - String with the table OEM ID + * oem_table_id - String with the OEM Table ID + * table_index - Where the table index is returned + * + * RETURN: Status and table index + * + * DESCRIPTION: Find an ACPI table (in the RSDT/XSDT) that matches the + * Signature, OEM ID and OEM Table ID. Returns an index that can + * be used to get the table header or entire table. + * + ******************************************************************************/ +acpi_status +acpi_tb_find_table(char *signature, + char *oem_id, + char *oem_table_id, acpi_native_uint * table_index) +{ + acpi_native_uint i; + acpi_status status; + + ACPI_FUNCTION_TRACE(tb_find_table); + + for (i = 0; i < acpi_gbl_root_table_list.count; ++i) { + if (ACPI_MEMCMP(&(acpi_gbl_root_table_list.tables[i].signature), + signature, ACPI_NAME_SIZE)) { + + /* Not the requested table */ + + continue; + } + + /* Table with matching signature has been found */ + + if (!acpi_gbl_root_table_list.tables[i].pointer) { + + /* Table is not currently mapped, map it */ + + status = + acpi_tb_verify_table(&acpi_gbl_root_table_list. + tables[i]); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + + if (!acpi_gbl_root_table_list.tables[i].pointer) { + continue; + } + } + + /* Check for table match on all IDs */ + + if (!ACPI_MEMCMP + (acpi_gbl_root_table_list.tables[i].pointer->signature, + signature, ACPI_NAME_SIZE) && (!oem_id[0] + || + !ACPI_MEMCMP + (acpi_gbl_root_table_list. + tables[i].pointer->oem_id, + oem_id, ACPI_OEM_ID_SIZE)) + && (!oem_table_id[0] + || !ACPI_MEMCMP(acpi_gbl_root_table_list.tables[i]. + pointer->oem_table_id, oem_table_id, + ACPI_OEM_TABLE_ID_SIZE))) { + *table_index = i; + + ACPI_DEBUG_PRINT((ACPI_DB_TABLES, + "Found table [%4.4s]\n", signature)); + return_ACPI_STATUS(AE_OK); + } + } + + return_ACPI_STATUS(AE_NOT_FOUND); +} diff --git a/drivers/acpi/tables/tbget.c b/drivers/acpi/tables/tbget.c deleted file mode 100644 index 11e2d4454e0..00000000000 --- a/drivers/acpi/tables/tbget.c +++ /dev/null @@ -1,471 +0,0 @@ -/****************************************************************************** - * - * Module Name: tbget - ACPI Table get* routines - * - *****************************************************************************/ - -/* - * Copyright (C) 2000 - 2006, R. Byron Moore - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions, and the following disclaimer, - * without modification. - * 2. Redistributions in binary form must reproduce at minimum a disclaimer - * substantially similar to the "NO WARRANTY" disclaimer below - * ("Disclaimer") and any redistribution must be conditioned upon - * including a substantially similar Disclaimer requirement for further - * binary redistribution. - * 3. Neither the names of the above-listed copyright holders nor the names - * of any contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * Alternatively, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2 as published by the Free - * Software Foundation. - * - * NO WARRANTY - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGES. - */ - -#include <acpi/acpi.h> -#include <acpi/actables.h> - -#define _COMPONENT ACPI_TABLES -ACPI_MODULE_NAME("tbget") - -/* Local prototypes */ -static acpi_status -acpi_tb_get_this_table(struct acpi_pointer *address, - struct acpi_table_header *header, - struct acpi_table_desc *table_info); - -static acpi_status -acpi_tb_table_override(struct acpi_table_header *header, - struct acpi_table_desc *table_info); - -/******************************************************************************* - * - * FUNCTION: acpi_tb_get_table - * - * PARAMETERS: Address - Address of table to retrieve. Can be - * Logical or Physical - * table_info - Where table info is returned - * - * RETURN: None - * - * DESCRIPTION: Get entire table of unknown size. - * - ******************************************************************************/ - -acpi_status -acpi_tb_get_table(struct acpi_pointer *address, - struct acpi_table_desc *table_info) -{ - acpi_status status; - struct acpi_table_header header; - - ACPI_FUNCTION_TRACE(tb_get_table); - - /* Get the header in order to get signature and table size */ - - status = acpi_tb_get_table_header(address, &header); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - /* Get the entire table */ - - status = acpi_tb_get_table_body(address, &header, table_info); - if (ACPI_FAILURE(status)) { - ACPI_EXCEPTION((AE_INFO, status, - "Could not get ACPI table (size %X)", - header.length)); - return_ACPI_STATUS(status); - } - - return_ACPI_STATUS(AE_OK); -} - -/******************************************************************************* - * - * FUNCTION: acpi_tb_get_table_header - * - * PARAMETERS: Address - Address of table to retrieve. Can be - * Logical or Physical - * return_header - Where the table header is returned - * - * RETURN: Status - * - * DESCRIPTION: Get an ACPI table header. Works in both physical or virtual - * addressing mode. Works with both physical or logical pointers. - * Table is either copied or mapped, depending on the pointer - * type and mode of the processor. - * - ******************************************************************************/ - -acpi_status -acpi_tb_get_table_header(struct acpi_pointer *address, - struct acpi_table_header *return_header) -{ - acpi_status status = AE_OK; - struct acpi_table_header *header = NULL; - - ACPI_FUNCTION_TRACE(tb_get_table_header); - - /* - * Flags contains the current processor mode (Virtual or Physical - * addressing) The pointer_type is either Logical or Physical - */ - switch (address->pointer_type) { - case ACPI_PHYSMODE_PHYSPTR: - case ACPI_LOGMODE_LOGPTR: - - /* Pointer matches processor mode, copy the header */ - - ACPI_MEMCPY(return_header, address->pointer.logical, - sizeof(struct acpi_table_header)); - break; - - case ACPI_LOGMODE_PHYSPTR: - - /* Create a logical address for the physical pointer */ - - status = acpi_os_map_memory(address->pointer.physical, - sizeof(struct acpi_table_header), - (void *)&header); - if (ACPI_FAILURE(status)) { - ACPI_ERROR((AE_INFO, - "Could not map memory at %8.8X%8.8X for table header", - ACPI_FORMAT_UINT64(address->pointer. - physical))); - return_ACPI_STATUS(status); - } - - /* Copy header and delete mapping */ - - ACPI_MEMCPY(return_header, header, - sizeof(struct acpi_table_header)); - acpi_os_unmap_memory(header, sizeof(struct acpi_table_header)); - break; - - default: - - ACPI_ERROR((AE_INFO, "Invalid address flags %X", - address->pointer_type)); - return_ACPI_STATUS(AE_BAD_PARAMETER); - } - - ACPI_DEBUG_PRINT((ACPI_DB_TABLES, "Table Signature: [%4.4s]\n", - return_header->signature)); - - return_ACPI_STATUS(AE_OK); -} - -/******************************************************************************* - * - * FUNCTION: acpi_tb_get_table_body - * - * PARAMETERS: Address - Address of table to retrieve. Can be - * Logical or Physical - * Header - Header of the table to retrieve - * table_info - Where the table info is returned - * - * RETURN: Status - * - * DESCRIPTION: Get an entire ACPI table with support to allow the host OS to - * replace the table with a newer version (table override.) - * Works in both physical or virtual - * addressing mode. Works with both physical or logical pointers. - * Table is either copied or mapped, depending on the pointer - * type and mode of the processor. - * - ******************************************************************************/ - -acpi_status -acpi_tb_get_table_body(struct acpi_pointer *address, - struct acpi_table_header *header, - struct acpi_table_desc *table_info) -{ - acpi_status status; - - ACPI_FUNCTION_TRACE(tb_get_table_body); - - if (!table_info || !address) { - return_ACPI_STATUS(AE_BAD_PARAMETER); - } - - /* Attempt table override. */ - - status = acpi_tb_table_override(header, table_info); - if (ACPI_SUCCESS(status)) { - - /* Table was overridden by the host OS */ - - return_ACPI_STATUS(status); - } - - /* No override, get the original table */ - - status = acpi_tb_get_this_table(address, header, table_info); - return_ACPI_STATUS(status); -} - -/******************************************************************************* - * - * FUNCTION: acpi_tb_table_override - * - * PARAMETERS: Header - Pointer to table header - * table_info - Return info if table is overridden - * - * RETURN: None - * - * DESCRIPTION: Attempts override of current table with a new one if provided - * by the host OS. - * - ******************************************************************************/ - -static acpi_status -acpi_tb_table_override(struct acpi_table_header *header, - struct acpi_table_desc *table_info) -{ - struct acpi_table_header *new_table; - acpi_status status; - struct acpi_pointer address; - - ACPI_FUNCTION_TRACE(tb_table_override); - - /* - * The OSL will examine the header and decide whether to override this - * table. If it decides to override, a table will be returned in new_table, - * which we will then copy. - */ - status = acpi_os_table_override(header, &new_table); - if (ACPI_FAILURE(status)) { - - /* Some severe error from the OSL, but we basically ignore it */ - - ACPI_EXCEPTION((AE_INFO, status, - "Could not override ACPI table")); - return_ACPI_STATUS(status); - } - - if (!new_table) { - - /* No table override */ - - return_ACPI_STATUS(AE_NO_ACPI_TABLES); - } - - /* - * We have a new table to override the old one. Get a copy of - * the new one. We know that the new table has a logical pointer. - */ - address.pointer_type = ACPI_LOGICAL_POINTER | ACPI_LOGICAL_ADDRESSING; - address.pointer.logical = new_table; - - status = acpi_tb_get_this_table(&address, new_table, table_info); - if (ACPI_FAILURE(status)) { - ACPI_EXCEPTION((AE_INFO, status, "Could not copy ACPI table")); - return_ACPI_STATUS(status); - } - - /* Copy the table info */ - - ACPI_INFO((AE_INFO, "Table [%4.4s] replaced by host OS", - table_info->pointer->signature)); - - return_ACPI_STATUS(AE_OK); -} - -/******************************************************************************* - * - * FUNCTION: acpi_tb_get_this_table - * - * PARAMETERS: Address - Address of table to retrieve. Can be - * Logical or Physical - * Header - Header of the table to retrieve - * table_info - Where the table info is returned - * - * RETURN: Status - * - * DESCRIPTION: Get an entire ACPI table. Works in both physical or virtual - * addressing mode. Works with both physical or logical pointers. - * Table is either copied or mapped, depending on the pointer - * type and mode of the processor. - * - ******************************************************************************/ - -static acpi_status -acpi_tb_get_this_table(struct acpi_pointer *address, - struct acpi_table_header *header, - struct acpi_table_desc *table_info) -{ - struct acpi_table_header *full_table = NULL; - u8 allocation; - acpi_status status = AE_OK; - - ACPI_FUNCTION_TRACE(tb_get_this_table); - - /* Validate minimum length */ - - if (header->length < sizeof(struct acpi_table_header)) { - ACPI_ERROR((AE_INFO, - "Table length (%X) is smaller than minimum (%zX)", - header->length, sizeof(struct acpi_table_header))); - - return_ACPI_STATUS(AE_INVALID_TABLE_LENGTH); - } - - /* - * Flags contains the current processor mode (Virtual or Physical - * addressing) The pointer_type is either Logical or Physical - */ - switch (address->pointer_type) { - case ACPI_PHYSMODE_PHYSPTR: - case ACPI_LOGMODE_LOGPTR: - - /* Pointer matches processor mode, copy the table to a new buffer */ - - full_table = ACPI_ALLOCATE(header->length); - if (!full_table) { - ACPI_ERROR((AE_INFO, - "Could not allocate table memory for [%4.4s] length %X", - header->signature, header->length)); - return_ACPI_STATUS(AE_NO_MEMORY); - } - - /* Copy the entire table (including header) to the local buffer */ - - ACPI_MEMCPY(full_table, address->pointer.logical, - header->length); - - /* Save allocation type */ - - allocation = ACPI_MEM_ALLOCATED; - break; - - case ACPI_LOGMODE_PHYSPTR: - - /* - * Just map the table's physical memory - * into our address space. - */ - status = acpi_os_map_memory(address->pointer.physical, - (acpi_size) header->length, - ACPI_CAST_PTR(void, &full_table)); - if (ACPI_FAILURE(status)) { - ACPI_ERROR((AE_INFO, - "Could not map memory for table [%4.4s] at %8.8X%8.8X for length %X", - header->signature, - ACPI_FORMAT_UINT64(address->pointer. - physical), - header->length)); - return (status); - } - - /* Save allocation type */ - - allocation = ACPI_MEM_MAPPED; - break; - - default: - - ACPI_ERROR((AE_INFO, "Invalid address flags %X", - address->pointer_type)); - return_ACPI_STATUS(AE_BAD_PARAMETER); - } - - /* - * Validate checksum for _most_ tables, - * even the ones whose signature we don't recognize - */ - if (table_info->type != ACPI_TABLE_ID_FACS) { - status = acpi_tb_verify_table_checksum(full_table); - -#if (!ACPI_CHECKSUM_ABORT) - if (ACPI_FAILURE(status)) { - - /* Ignore the error if configuration says so */ - - status = AE_OK; - } -#endif - } - - /* Return values */ - - table_info->pointer = full_table; - table_info->length = (acpi_size) header->length; - table_info->allocation = allocation; - - ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "Found table [%4.4s] at %8.8X%8.8X, mapped/copied to %p\n", - full_table->signature, - ACPI_FORMAT_UINT64(address->pointer.physical), - full_table)); - - return_ACPI_STATUS(status); -} - -/******************************************************************************* - * - * FUNCTION: acpi_tb_get_table_ptr - * - * PARAMETERS: table_type - one of the defined table types - * Instance - Which table of this type - * return_table - pointer to location to place the pointer for - * return - * - * RETURN: Status - * - * DESCRIPTION: This function is called to get the pointer to an ACPI table. - * - ******************************************************************************/ - -acpi_status -acpi_tb_get_table_ptr(acpi_table_type table_type, - u32 instance, struct acpi_table_header **return_table) -{ - struct acpi_table_desc *table_desc; - u32 i; - - ACPI_FUNCTION_TRACE(tb_get_table_ptr); - - if (table_type > ACPI_TABLE_ID_MAX) { - return_ACPI_STATUS(AE_BAD_PARAMETER); - } - - /* Check for instance out of range of the current table count */ - - if (instance > acpi_gbl_table_lists[table_type].count) { - return_ACPI_STATUS(AE_NOT_EXIST); - } - - /* - * Walk the list to get the desired table - * Note: Instance is one-based - */ - table_desc = acpi_gbl_table_lists[table_type].next; - for (i = 1; i < instance; i++) { - table_desc = table_desc->next; - } - - /* We are now pointing to the requested table's descriptor */ - - *return_table = table_desc->pointer; - return_ACPI_STATUS(AE_OK); -} diff --git a/drivers/acpi/tables/tbgetall.c b/drivers/acpi/tables/tbgetall.c deleted file mode 100644 index ad982112e4c..00000000000 --- a/drivers/acpi/tables/tbgetall.c +++ /dev/null @@ -1,311 +0,0 @@ -/****************************************************************************** - * - * Module Name: tbgetall - Get all required ACPI tables - * - *****************************************************************************/ - -/* - * Copyright (C) 2000 - 2006, R. Byron Moore - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions, and the following disclaimer, - * without modification. - * 2. Redistributions in binary form must reproduce at minimum a disclaimer - * substantially similar to the "NO WARRANTY" disclaimer below - * ("Disclaimer") and any redistribution must be conditioned upon - * including a substantially similar Disclaimer requirement for further - * binary redistribution. - * 3. Neither the names of the above-listed copyright holders nor the names - * of any contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * Alternatively, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2 as published by the Free - * Software Foundation. - * - * NO WARRANTY - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGES. - */ - -#include <acpi/acpi.h> -#include <acpi/actables.h> - -#define _COMPONENT ACPI_TABLES -ACPI_MODULE_NAME("tbgetall") - -/* Local prototypes */ -static acpi_status -acpi_tb_get_primary_table(struct acpi_pointer *address, - struct acpi_table_desc *table_info); - -static acpi_status -acpi_tb_get_secondary_table(struct acpi_pointer *address, - acpi_string signature, - struct acpi_table_desc *table_info); - -/******************************************************************************* - * - * FUNCTION: acpi_tb_get_primary_table - * - * PARAMETERS: Address - Physical address of table to retrieve - * *table_info - Where the table info is returned - * - * RETURN: Status - * - * DESCRIPTION: Maps the physical address of table into a logical address - * - ******************************************************************************/ - -static acpi_status -acpi_tb_get_primary_table(struct acpi_pointer *address, - struct acpi_table_desc *table_info) -{ - acpi_status status; - struct acpi_table_header header; - - ACPI_FUNCTION_TRACE(tb_get_primary_table); - - /* Ignore a NULL address in the RSDT */ - - if (!address->pointer.value) { - return_ACPI_STATUS(AE_OK); - } - - /* Get the header in order to get signature and table size */ - - status = acpi_tb_get_table_header(address, &header); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - /* Clear the table_info */ - - ACPI_MEMSET(table_info, 0, sizeof(struct acpi_table_desc)); - - /* - * Check the table signature and make sure it is recognized. - * Also checks the header checksum - */ - table_info->pointer = &header; - status = acpi_tb_recognize_table(table_info, ACPI_TABLE_PRIMARY); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - /* Get the entire table */ - - status = acpi_tb_get_table_body(address, &header, table_info); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - /* Install the table */ - - status = acpi_tb_install_table(table_info); - return_ACPI_STATUS(status); -} - -/******************************************************************************* - * - * FUNCTION: acpi_tb_get_secondary_table - * - * PARAMETERS: Address - Physical address of table to retrieve - * *table_info - Where the table info is returned - * - * RETURN: Status - * - * DESCRIPTION: Maps the physical address of table into a logical address - * - ******************************************************************************/ - -static acpi_status -acpi_tb_get_secondary_table(struct acpi_pointer *address, - acpi_string signature, - struct acpi_table_desc *table_info) -{ - acpi_status status; - struct acpi_table_header header; - - ACPI_FUNCTION_TRACE_STR(tb_get_secondary_table, signature); - - /* Get the header in order to match the signature */ - - status = acpi_tb_get_table_header(address, &header); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - /* Signature must match request */ - - if (!ACPI_COMPARE_NAME(header.signature, signature)) { - ACPI_ERROR((AE_INFO, - "Incorrect table signature - wanted [%s] found [%4.4s]", - signature, header.signature)); - return_ACPI_STATUS(AE_BAD_SIGNATURE); - } - - /* - * Check the table signature and make sure it is recognized. - * Also checks the header checksum - */ - table_info->pointer = &header; - status = acpi_tb_recognize_table(table_info, ACPI_TABLE_SECONDARY); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - /* Get the entire table */ - - status = acpi_tb_get_table_body(address, &header, table_info); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - /* Install the table */ - - status = acpi_tb_install_table(table_info); - return_ACPI_STATUS(status); -} - -/******************************************************************************* - * - * FUNCTION: acpi_tb_get_required_tables - * - * PARAMETERS: None - * - * RETURN: Status - * - * DESCRIPTION: Load and validate tables other than the RSDT. The RSDT must - * already be loaded and validated. - * - * Get the minimum set of ACPI tables, namely: - * - * 1) FADT (via RSDT in loop below) - * 2) FACS (via FADT) - * 3) DSDT (via FADT) - * - ******************************************************************************/ - -acpi_status acpi_tb_get_required_tables(void) -{ - acpi_status status = AE_OK; - u32 i; - struct acpi_table_desc table_info; - struct acpi_pointer address; - - ACPI_FUNCTION_TRACE(tb_get_required_tables); - - ACPI_DEBUG_PRINT((ACPI_DB_INFO, "%d ACPI tables in RSDT\n", - acpi_gbl_rsdt_table_count)); - - address.pointer_type = acpi_gbl_table_flags | ACPI_LOGICAL_ADDRESSING; - - /* - * Loop through all table pointers found in RSDT. - * This will NOT include the FACS and DSDT - we must get - * them after the loop. - * - * The only tables we are interested in getting here is the FADT and - * any SSDTs. - */ - for (i = 0; i < acpi_gbl_rsdt_table_count; i++) { - - /* Get the table address from the common internal XSDT */ - - address.pointer.value = acpi_gbl_XSDT->table_offset_entry[i]; - - /* - * Get the tables needed by this subsystem (FADT and any SSDTs). - * NOTE: All other tables are completely ignored at this time. - */ - status = acpi_tb_get_primary_table(&address, &table_info); - if ((status != AE_OK) && (status != AE_TABLE_NOT_SUPPORTED)) { - ACPI_WARNING((AE_INFO, - "%s, while getting table at %8.8X%8.8X", - acpi_format_exception(status), - ACPI_FORMAT_UINT64(address.pointer. - value))); - } - } - - /* We must have a FADT to continue */ - - if (!acpi_gbl_FADT) { - ACPI_ERROR((AE_INFO, "No FADT present in RSDT/XSDT")); - return_ACPI_STATUS(AE_NO_ACPI_TABLES); - } - - /* - * Convert the FADT to a common format. This allows earlier revisions of - * the table to coexist with newer versions, using common access code. - */ - status = acpi_tb_convert_table_fadt(); - if (ACPI_FAILURE(status)) { - ACPI_ERROR((AE_INFO, - "Could not convert FADT to internal common format")); - return_ACPI_STATUS(status); - } - - /* Get the FACS (Pointed to by the FADT) */ - - address.pointer.value = acpi_gbl_FADT->xfirmware_ctrl; - - status = acpi_tb_get_secondary_table(&address, FACS_SIG, &table_info); - if (ACPI_FAILURE(status)) { - ACPI_EXCEPTION((AE_INFO, status, - "Could not get/install the FACS")); - return_ACPI_STATUS(status); - } - - /* - * Create the common FACS pointer table - * (Contains pointers to the original table) - */ - status = acpi_tb_build_common_facs(&table_info); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - /* Get/install the DSDT (Pointed to by the FADT) */ - - address.pointer.value = acpi_gbl_FADT->Xdsdt; - - status = acpi_tb_get_secondary_table(&address, DSDT_SIG, &table_info); - if (ACPI_FAILURE(status)) { - ACPI_ERROR((AE_INFO, "Could not get/install the DSDT")); - return_ACPI_STATUS(status); - } - - /* Set Integer Width (32/64) based upon DSDT revision */ - - acpi_ut_set_integer_width(acpi_gbl_DSDT->revision); - - /* Dump the entire DSDT */ - - ACPI_DEBUG_PRINT((ACPI_DB_TABLES, - "Hex dump of entire DSDT, size %d (0x%X), Integer width = %d\n", - acpi_gbl_DSDT->length, acpi_gbl_DSDT->length, - acpi_gbl_integer_bit_width)); - - ACPI_DUMP_BUFFER(ACPI_CAST_PTR(u8, acpi_gbl_DSDT), - acpi_gbl_DSDT->length); - - /* Always delete the RSDP mapping, we are done with it */ - - acpi_tb_delete_tables_by_type(ACPI_TABLE_ID_RSDP); - return_ACPI_STATUS(status); -} diff --git a/drivers/acpi/tables/tbinstal.c b/drivers/acpi/tables/tbinstal.c index 1668a232fb6..0e7b121a99c 100644 --- a/drivers/acpi/tables/tbinstal.c +++ b/drivers/acpi/tables/tbinstal.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -42,510 +42,498 @@ */ #include <acpi/acpi.h> +#include <acpi/acnamesp.h> #include <acpi/actables.h> #define _COMPONENT ACPI_TABLES ACPI_MODULE_NAME("tbinstal") -/* Local prototypes */ -static acpi_status -acpi_tb_match_signature(char *signature, - struct acpi_table_desc *table_info, u8 search_type); - -/******************************************************************************* +/****************************************************************************** * - * FUNCTION: acpi_tb_match_signature + * FUNCTION: acpi_tb_verify_table * - * PARAMETERS: Signature - Table signature to match - * table_info - Return data - * search_type - Table type to match (primary/secondary) + * PARAMETERS: table_desc - table * * RETURN: Status * - * DESCRIPTION: Compare signature against the list of "ACPI-subsystem-owned" - * tables (DSDT/FADT/SSDT, etc.) Returns the table_type_iD on match. + * DESCRIPTION: this function is called to verify and map table * - ******************************************************************************/ - -static acpi_status -acpi_tb_match_signature(char *signature, - struct acpi_table_desc *table_info, u8 search_type) + *****************************************************************************/ +acpi_status acpi_tb_verify_table(struct acpi_table_desc *table_desc) { - acpi_native_uint i; + acpi_status status = AE_OK; - ACPI_FUNCTION_TRACE(tb_match_signature); + ACPI_FUNCTION_TRACE(tb_verify_table); - /* Search for a signature match among the known table types */ + /* Map the table if necessary */ - for (i = 0; i < (ACPI_TABLE_ID_MAX + 1); i++) { - if (!(acpi_gbl_table_data[i].flags & search_type)) { - continue; + if (!table_desc->pointer) { + if ((table_desc->flags & ACPI_TABLE_ORIGIN_MASK) == + ACPI_TABLE_ORIGIN_MAPPED) { + table_desc->pointer = + acpi_os_map_memory(table_desc->address, + table_desc->length); } + if (!table_desc->pointer) { + return_ACPI_STATUS(AE_NO_MEMORY); + } + } - if (!ACPI_STRNCMP(signature, acpi_gbl_table_data[i].signature, - acpi_gbl_table_data[i].sig_length)) { - - /* Found a signature match, return index if requested */ + /* FACS is the odd table, has no standard ACPI header and no checksum */ - if (table_info) { - table_info->type = (u8) i; - } + if (!ACPI_COMPARE_NAME(&table_desc->signature, ACPI_SIG_FACS)) { - ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "Table [%4.4s] is an ACPI table consumed by the core subsystem\n", - (char *)acpi_gbl_table_data[i]. - signature)); + /* Always calculate checksum, ignore bad checksum if requested */ - return_ACPI_STATUS(AE_OK); - } + status = + acpi_tb_verify_checksum(table_desc->pointer, + table_desc->length); } - ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "Table [%4.4s] is not an ACPI table consumed by the core subsystem - ignored\n", - (char *)signature)); - - return_ACPI_STATUS(AE_TABLE_NOT_SUPPORTED); + return_ACPI_STATUS(status); } /******************************************************************************* * - * FUNCTION: acpi_tb_install_table + * FUNCTION: acpi_tb_add_table * - * PARAMETERS: table_info - Return value from acpi_tb_get_table_body + * PARAMETERS: table_desc - Table descriptor + * table_index - Where the table index is returned * * RETURN: Status * - * DESCRIPTION: Install the table into the global data structures. + * DESCRIPTION: This function is called to add the ACPI table * ******************************************************************************/ -acpi_status acpi_tb_install_table(struct acpi_table_desc *table_info) +acpi_status +acpi_tb_add_table(struct acpi_table_desc *table_desc, + acpi_native_uint * table_index) { - acpi_status status; - - ACPI_FUNCTION_TRACE(tb_install_table); + acpi_native_uint i; + acpi_native_uint length; + acpi_status status = AE_OK; - /* Lock tables while installing */ + ACPI_FUNCTION_TRACE(tb_add_table); - status = acpi_ut_acquire_mutex(ACPI_MTX_TABLES); - if (ACPI_FAILURE(status)) { - ACPI_EXCEPTION((AE_INFO, status, - "Could not acquire table mutex")); - return_ACPI_STATUS(status); + if (!table_desc->pointer) { + status = acpi_tb_verify_table(table_desc); + if (ACPI_FAILURE(status) || !table_desc->pointer) { + return_ACPI_STATUS(status); + } } - /* - * Ignore a table that is already installed. For example, some BIOS - * ASL code will repeatedly attempt to load the same SSDT. - */ - status = acpi_tb_is_table_installed(table_info); - if (ACPI_FAILURE(status)) { - goto unlock_and_exit; + /* The table must be either an SSDT or a PSDT */ + + if ((!ACPI_COMPARE_NAME(table_desc->pointer->signature, ACPI_SIG_PSDT)) + && + (!ACPI_COMPARE_NAME(table_desc->pointer->signature, ACPI_SIG_SSDT))) + { + ACPI_ERROR((AE_INFO, + "Table has invalid signature [%4.4s], must be SSDT or PSDT", + table_desc->pointer->signature)); + return_ACPI_STATUS(AE_BAD_SIGNATURE); } - /* Install the table into the global data structure */ + (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES); + + /* Check if table is already registered */ + + for (i = 0; i < acpi_gbl_root_table_list.count; ++i) { + if (!acpi_gbl_root_table_list.tables[i].pointer) { + status = + acpi_tb_verify_table(&acpi_gbl_root_table_list. + tables[i]); + if (ACPI_FAILURE(status) + || !acpi_gbl_root_table_list.tables[i].pointer) { + continue; + } + } + + length = ACPI_MIN(table_desc->length, + acpi_gbl_root_table_list.tables[i].length); + if (ACPI_MEMCMP(table_desc->pointer, + acpi_gbl_root_table_list.tables[i].pointer, + length)) { + continue; + } + + /* Table is already registered */ + + acpi_tb_delete_table(table_desc); + *table_index = i; + goto release; + } - status = acpi_tb_init_table_descriptor(table_info->type, table_info); + /* + * Add the table to the global table list + */ + status = acpi_tb_store_table(table_desc->address, table_desc->pointer, + table_desc->length, table_desc->flags, + table_index); if (ACPI_FAILURE(status)) { - ACPI_EXCEPTION((AE_INFO, status, - "Could not install table [%4.4s]", - table_info->pointer->signature)); + goto release; } - ACPI_DEBUG_PRINT((ACPI_DB_INFO, "%s located at %p\n", - acpi_gbl_table_data[table_info->type].name, - table_info->pointer)); + acpi_tb_print_table_header(table_desc->address, table_desc->pointer); - unlock_and_exit: + release: (void)acpi_ut_release_mutex(ACPI_MTX_TABLES); return_ACPI_STATUS(status); } /******************************************************************************* * - * FUNCTION: acpi_tb_recognize_table + * FUNCTION: acpi_tb_resize_root_table_list * - * PARAMETERS: table_info - Return value from acpi_tb_get_table_body - * search_type - Table type to match (primary/secondary) + * PARAMETERS: None * * RETURN: Status * - * DESCRIPTION: Check a table signature for a match against known table types - * - * NOTE: All table pointers are validated as follows: - * 1) Table pointer must point to valid physical memory - * 2) Signature must be 4 ASCII chars, even if we don't recognize the - * name - * 3) Table must be readable for length specified in the header - * 4) Table checksum must be valid (with the exception of the FACS - * which has no checksum for some odd reason) + * DESCRIPTION: Expand the size of global table array * ******************************************************************************/ -acpi_status -acpi_tb_recognize_table(struct acpi_table_desc *table_info, u8 search_type) +acpi_status acpi_tb_resize_root_table_list(void) { - struct acpi_table_header *table_header; - acpi_status status; + struct acpi_table_desc *tables; - ACPI_FUNCTION_TRACE(tb_recognize_table); + ACPI_FUNCTION_TRACE(tb_resize_root_table_list); - /* Ensure that we have a valid table pointer */ + /* allow_resize flag is a parameter to acpi_initialize_tables */ - table_header = (struct acpi_table_header *)table_info->pointer; - if (!table_header) { - return_ACPI_STATUS(AE_BAD_PARAMETER); + if (!(acpi_gbl_root_table_list.flags & ACPI_ROOT_ALLOW_RESIZE)) { + ACPI_ERROR((AE_INFO, + "Resize of Root Table Array is not allowed")); + return_ACPI_STATUS(AE_SUPPORT); } - /* - * We only "recognize" a limited number of ACPI tables -- namely, the - * ones that are used by the subsystem (DSDT, FADT, etc.) - * - * An AE_TABLE_NOT_SUPPORTED means that the table was not recognized. - * This can be any one of many valid ACPI tables, it just isn't one of - * the tables that is consumed by the core subsystem - */ - status = acpi_tb_match_signature(table_header->signature, - table_info, search_type); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); + /* Increase the Table Array size */ + + tables = ACPI_ALLOCATE_ZEROED((acpi_gbl_root_table_list.size + + ACPI_ROOT_TABLE_SIZE_INCREMENT) + * sizeof(struct acpi_table_desc)); + if (!tables) { + ACPI_ERROR((AE_INFO, + "Could not allocate new root table array")); + return_ACPI_STATUS(AE_NO_MEMORY); } - status = acpi_tb_validate_table_header(table_header); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); + /* Copy and free the previous table array */ + + if (acpi_gbl_root_table_list.tables) { + ACPI_MEMCPY(tables, acpi_gbl_root_table_list.tables, + acpi_gbl_root_table_list.size * + sizeof(struct acpi_table_desc)); + + if (acpi_gbl_root_table_list.flags & ACPI_ROOT_ORIGIN_ALLOCATED) { + ACPI_FREE(acpi_gbl_root_table_list.tables); + } } - /* Return the table type and length via the info struct */ + acpi_gbl_root_table_list.tables = tables; + acpi_gbl_root_table_list.size += ACPI_ROOT_TABLE_SIZE_INCREMENT; + acpi_gbl_root_table_list.flags |= (u8) ACPI_ROOT_ORIGIN_ALLOCATED; - table_info->length = (acpi_size) table_header->length; - return_ACPI_STATUS(status); + return_ACPI_STATUS(AE_OK); } /******************************************************************************* * - * FUNCTION: acpi_tb_init_table_descriptor + * FUNCTION: acpi_tb_store_table * - * PARAMETERS: table_type - The type of the table - * table_info - A table info struct + * PARAMETERS: Address - Table address + * Table - Table header + * Length - Table length + * Flags - flags * - * RETURN: None. + * RETURN: Status and table index. * - * DESCRIPTION: Install a table into the global data structs. + * DESCRIPTION: Add an ACPI table to the global table list * ******************************************************************************/ acpi_status -acpi_tb_init_table_descriptor(acpi_table_type table_type, - struct acpi_table_desc *table_info) +acpi_tb_store_table(acpi_physical_address address, + struct acpi_table_header *table, + u32 length, u8 flags, acpi_native_uint * table_index) { - struct acpi_table_list *list_head; - struct acpi_table_desc *table_desc; - acpi_status status; - - ACPI_FUNCTION_TRACE_U32(tb_init_table_descriptor, table_type); + acpi_status status = AE_OK; - /* Allocate a descriptor for this table */ + /* Ensure that there is room for the table in the Root Table List */ - table_desc = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_table_desc)); - if (!table_desc) { - return_ACPI_STATUS(AE_NO_MEMORY); + if (acpi_gbl_root_table_list.count >= acpi_gbl_root_table_list.size) { + status = acpi_tb_resize_root_table_list(); + if (ACPI_FAILURE(status)) { + return (status); + } } - /* Get a new owner ID for the table */ + /* Initialize added table */ + + acpi_gbl_root_table_list.tables[acpi_gbl_root_table_list.count]. + address = address; + acpi_gbl_root_table_list.tables[acpi_gbl_root_table_list.count]. + pointer = table; + acpi_gbl_root_table_list.tables[acpi_gbl_root_table_list.count].length = + length; + acpi_gbl_root_table_list.tables[acpi_gbl_root_table_list.count]. + owner_id = 0; + acpi_gbl_root_table_list.tables[acpi_gbl_root_table_list.count].flags = + flags; + + ACPI_MOVE_32_TO_32(& + (acpi_gbl_root_table_list. + tables[acpi_gbl_root_table_list.count].signature), + table->signature); + + *table_index = acpi_gbl_root_table_list.count; + acpi_gbl_root_table_list.count++; + return (status); +} - status = acpi_ut_allocate_owner_id(&table_desc->owner_id); - if (ACPI_FAILURE(status)) { - goto error_exit1; - } +/******************************************************************************* + * + * FUNCTION: acpi_tb_delete_table + * + * PARAMETERS: table_index - Table index + * + * RETURN: None + * + * DESCRIPTION: Delete one internal ACPI table + * + ******************************************************************************/ - /* Install the table into the global data structure */ +void acpi_tb_delete_table(struct acpi_table_desc *table_desc) +{ + /* Table must be mapped or allocated */ + if (!table_desc->pointer) { + return; + } + switch (table_desc->flags & ACPI_TABLE_ORIGIN_MASK) { + case ACPI_TABLE_ORIGIN_MAPPED: + acpi_os_unmap_memory(table_desc->pointer, table_desc->length); + break; + case ACPI_TABLE_ORIGIN_ALLOCATED: + ACPI_FREE(table_desc->pointer); + break; + default:; + } - list_head = &acpi_gbl_table_lists[table_type]; + table_desc->pointer = NULL; +} - /* - * Two major types of tables: 1) Only one instance is allowed. This - * includes most ACPI tables such as the DSDT. 2) Multiple instances of - * the table are allowed. This includes SSDT and PSDTs. - */ - if (ACPI_IS_SINGLE_TABLE(acpi_gbl_table_data[table_type].flags)) { - /* - * Only one table allowed, and a table has alread been installed - * at this location, so return an error. - */ - if (list_head->next) { - status = AE_ALREADY_EXISTS; - goto error_exit2; - } +/******************************************************************************* + * + * FUNCTION: acpi_tb_terminate + * + * PARAMETERS: None + * + * RETURN: None + * + * DESCRIPTION: Delete all internal ACPI tables + * + ******************************************************************************/ - table_desc->next = list_head->next; - list_head->next = table_desc; +void acpi_tb_terminate(void) +{ + acpi_native_uint i; - if (table_desc->next) { - table_desc->next->prev = table_desc; - } + ACPI_FUNCTION_TRACE(tb_terminate); - list_head->count++; - } else { - /* - * Link the new table in to the list of tables of this type. - * Insert at the end of the list, order IS IMPORTANT. - * - * table_desc->Prev & Next are already NULL from calloc() - */ - list_head->count++; - - if (!list_head->next) { - list_head->next = table_desc; - } else { - table_desc->next = list_head->next; + (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES); - while (table_desc->next->next) { - table_desc->next = table_desc->next->next; - } + /* Delete the individual tables */ - table_desc->next->next = table_desc; - table_desc->prev = table_desc->next; - table_desc->next = NULL; - } + for (i = 0; i < acpi_gbl_root_table_list.count; ++i) { + acpi_tb_delete_table(&acpi_gbl_root_table_list.tables[i]); } - /* Finish initialization of the table descriptor */ - - table_desc->loaded_into_namespace = FALSE; - table_desc->type = (u8) table_type; - table_desc->pointer = table_info->pointer; - table_desc->length = table_info->length; - table_desc->allocation = table_info->allocation; - table_desc->aml_start = (u8 *) (table_desc->pointer + 1), - table_desc->aml_length = (u32) - (table_desc->length - (u32) sizeof(struct acpi_table_header)); - /* - * Set the appropriate global pointer (if there is one) to point to the - * newly installed table + * Delete the root table array if allocated locally. Array cannot be + * mapped, so we don't need to check for that flag. */ - if (acpi_gbl_table_data[table_type].global_ptr) { - *(acpi_gbl_table_data[table_type].global_ptr) = - table_info->pointer; + if (acpi_gbl_root_table_list.flags & ACPI_ROOT_ORIGIN_ALLOCATED) { + ACPI_FREE(acpi_gbl_root_table_list.tables); } - /* Return Data */ - - table_info->owner_id = table_desc->owner_id; - table_info->installed_desc = table_desc; - return_ACPI_STATUS(AE_OK); - - /* Error exit with cleanup */ - - error_exit2: - - acpi_ut_release_owner_id(&table_desc->owner_id); + acpi_gbl_root_table_list.tables = NULL; + acpi_gbl_root_table_list.flags = 0; + acpi_gbl_root_table_list.count = 0; - error_exit1: - - ACPI_FREE(table_desc); - return_ACPI_STATUS(status); + ACPI_DEBUG_PRINT((ACPI_DB_INFO, "ACPI Tables freed\n")); + (void)acpi_ut_release_mutex(ACPI_MTX_TABLES); } /******************************************************************************* * - * FUNCTION: acpi_tb_delete_all_tables + * FUNCTION: acpi_tb_delete_namespace_by_owner * - * PARAMETERS: None. + * PARAMETERS: table_index - Table index * - * RETURN: None. + * RETURN: None * - * DESCRIPTION: Delete all internal ACPI tables + * DESCRIPTION: Delete all namespace objects created when this table was loaded. * ******************************************************************************/ -void acpi_tb_delete_all_tables(void) +void acpi_tb_delete_namespace_by_owner(acpi_native_uint table_index) { - acpi_table_type type; + acpi_owner_id owner_id; - /* - * Free memory allocated for ACPI tables - * Memory can either be mapped or allocated - */ - for (type = 0; type < (ACPI_TABLE_ID_MAX + 1); type++) { - acpi_tb_delete_tables_by_type(type); + (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES); + if (table_index < acpi_gbl_root_table_list.count) { + owner_id = + acpi_gbl_root_table_list.tables[table_index].owner_id; + } else { + (void)acpi_ut_release_mutex(ACPI_MTX_TABLES); + return; } + + (void)acpi_ut_release_mutex(ACPI_MTX_TABLES); + acpi_ns_delete_namespace_by_owner(owner_id); } /******************************************************************************* * - * FUNCTION: acpi_tb_delete_tables_by_type + * FUNCTION: acpi_tb_allocate_owner_id * - * PARAMETERS: Type - The table type to be deleted + * PARAMETERS: table_index - Table index * - * RETURN: None. + * RETURN: Status * - * DESCRIPTION: Delete an internal ACPI table - * Locks the ACPI table mutex + * DESCRIPTION: Allocates owner_id in table_desc * ******************************************************************************/ -void acpi_tb_delete_tables_by_type(acpi_table_type type) +acpi_status acpi_tb_allocate_owner_id(acpi_native_uint table_index) { - struct acpi_table_desc *table_desc; - u32 count; - u32 i; + acpi_status status = AE_BAD_PARAMETER; - ACPI_FUNCTION_TRACE_U32(tb_delete_tables_by_type, type); + ACPI_FUNCTION_TRACE(tb_allocate_owner_id); - if (type > ACPI_TABLE_ID_MAX) { - return_VOID; - } - - if (ACPI_FAILURE(acpi_ut_acquire_mutex(ACPI_MTX_TABLES))) { - return; - } - - /* Clear the appropriate "typed" global table pointer */ - - switch (type) { - case ACPI_TABLE_ID_RSDP: - acpi_gbl_RSDP = NULL; - break; - - case ACPI_TABLE_ID_DSDT: - acpi_gbl_DSDT = NULL; - break; - - case ACPI_TABLE_ID_FADT: - acpi_gbl_FADT = NULL; - break; - - case ACPI_TABLE_ID_FACS: - acpi_gbl_FACS = NULL; - break; - - case ACPI_TABLE_ID_XSDT: - acpi_gbl_XSDT = NULL; - break; - - case ACPI_TABLE_ID_SSDT: - case ACPI_TABLE_ID_PSDT: - default: - break; - } - - /* - * Free the table - * 1) Get the head of the list - */ - table_desc = acpi_gbl_table_lists[type].next; - count = acpi_gbl_table_lists[type].count; - - /* - * 2) Walk the entire list, deleting both the allocated tables - * and the table descriptors - */ - for (i = 0; i < count; i++) { - table_desc = acpi_tb_uninstall_table(table_desc); + (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES); + if (table_index < acpi_gbl_root_table_list.count) { + status = acpi_ut_allocate_owner_id + (&(acpi_gbl_root_table_list.tables[table_index].owner_id)); } (void)acpi_ut_release_mutex(ACPI_MTX_TABLES); - return_VOID; + return_ACPI_STATUS(status); } /******************************************************************************* * - * FUNCTION: acpi_tb_delete_single_table + * FUNCTION: acpi_tb_release_owner_id * - * PARAMETERS: table_info - A table info struct + * PARAMETERS: table_index - Table index * - * RETURN: None. + * RETURN: Status * - * DESCRIPTION: Low-level free for a single ACPI table. Handles cases where - * the table was allocated a buffer or was mapped. + * DESCRIPTION: Releases owner_id in table_desc * ******************************************************************************/ -void acpi_tb_delete_single_table(struct acpi_table_desc *table_desc) +acpi_status acpi_tb_release_owner_id(acpi_native_uint table_index) { + acpi_status status = AE_BAD_PARAMETER; - /* Must have a valid table descriptor and pointer */ + ACPI_FUNCTION_TRACE(tb_release_owner_id); - if ((!table_desc) || (!table_desc->pointer)) { - return; + (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES); + if (table_index < acpi_gbl_root_table_list.count) { + acpi_ut_release_owner_id(& + (acpi_gbl_root_table_list. + tables[table_index].owner_id)); + status = AE_OK; } - /* Valid table, determine type of memory allocation */ - - switch (table_desc->allocation) { - case ACPI_MEM_NOT_ALLOCATED: - break; - - case ACPI_MEM_ALLOCATED: - - ACPI_FREE(table_desc->pointer); - break; - - case ACPI_MEM_MAPPED: - - acpi_os_unmap_memory(table_desc->pointer, table_desc->length); - break; - - default: - break; - } + (void)acpi_ut_release_mutex(ACPI_MTX_TABLES); + return_ACPI_STATUS(status); } /******************************************************************************* * - * FUNCTION: acpi_tb_uninstall_table + * FUNCTION: acpi_tb_get_owner_id * - * PARAMETERS: table_info - A table info struct + * PARAMETERS: table_index - Table index + * owner_id - Where the table owner_id is returned * - * RETURN: Pointer to the next table in the list (of same type) + * RETURN: Status * - * DESCRIPTION: Free the memory associated with an internal ACPI table that - * is either installed or has never been installed. - * Table mutex should be locked. + * DESCRIPTION: returns owner_id for the ACPI table * ******************************************************************************/ -struct acpi_table_desc *acpi_tb_uninstall_table(struct acpi_table_desc - *table_desc) +acpi_status +acpi_tb_get_owner_id(acpi_native_uint table_index, acpi_owner_id * owner_id) { - struct acpi_table_desc *next_desc; + acpi_status status = AE_BAD_PARAMETER; - ACPI_FUNCTION_TRACE_PTR(tb_uninstall_table, table_desc); + ACPI_FUNCTION_TRACE(tb_get_owner_id); - if (!table_desc) { - return_PTR(NULL); + (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES); + if (table_index < acpi_gbl_root_table_list.count) { + *owner_id = + acpi_gbl_root_table_list.tables[table_index].owner_id; + status = AE_OK; } - /* Unlink the descriptor from the doubly linked list */ + (void)acpi_ut_release_mutex(ACPI_MTX_TABLES); + return_ACPI_STATUS(status); +} - if (table_desc->prev) { - table_desc->prev->next = table_desc->next; - } else { - /* Is first on list, update list head */ +/******************************************************************************* + * + * FUNCTION: acpi_tb_is_table_loaded + * + * PARAMETERS: table_index - Table index + * + * RETURN: Table Loaded Flag + * + ******************************************************************************/ - acpi_gbl_table_lists[table_desc->type].next = table_desc->next; - } +u8 acpi_tb_is_table_loaded(acpi_native_uint table_index) +{ + u8 is_loaded = FALSE; - if (table_desc->next) { - table_desc->next->prev = table_desc->prev; + (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES); + if (table_index < acpi_gbl_root_table_list.count) { + is_loaded = (u8) + (acpi_gbl_root_table_list.tables[table_index]. + flags & ACPI_TABLE_IS_LOADED); } - /* Free the memory allocated for the table itself */ - - acpi_tb_delete_single_table(table_desc); - - /* Free the owner ID associated with this table */ - - acpi_ut_release_owner_id(&table_desc->owner_id); + (void)acpi_ut_release_mutex(ACPI_MTX_TABLES); + return (is_loaded); +} - /* Free the table descriptor */ +/******************************************************************************* + * + * FUNCTION: acpi_tb_set_table_loaded_flag + * + * PARAMETERS: table_index - Table index + * is_loaded - TRUE if table is loaded, FALSE otherwise + * + * RETURN: None + * + * DESCRIPTION: Sets the table loaded flag to either TRUE or FALSE. + * + ******************************************************************************/ - next_desc = table_desc->next; - ACPI_FREE(table_desc); +void acpi_tb_set_table_loaded_flag(acpi_native_uint table_index, u8 is_loaded) +{ - /* Return pointer to the next descriptor */ + (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES); + if (table_index < acpi_gbl_root_table_list.count) { + if (is_loaded) { + acpi_gbl_root_table_list.tables[table_index].flags |= + ACPI_TABLE_IS_LOADED; + } else { + acpi_gbl_root_table_list.tables[table_index].flags &= + ~ACPI_TABLE_IS_LOADED; + } + } - return_PTR(next_desc); + (void)acpi_ut_release_mutex(ACPI_MTX_TABLES); } diff --git a/drivers/acpi/tables/tbrsdt.c b/drivers/acpi/tables/tbrsdt.c deleted file mode 100644 index 86a5fca9b73..00000000000 --- a/drivers/acpi/tables/tbrsdt.c +++ /dev/null @@ -1,307 +0,0 @@ -/****************************************************************************** - * - * Module Name: tbrsdt - ACPI RSDT table utilities - * - *****************************************************************************/ - -/* - * Copyright (C) 2000 - 2006, R. Byron Moore - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions, and the following disclaimer, - * without modification. - * 2. Redistributions in binary form must reproduce at minimum a disclaimer - * substantially similar to the "NO WARRANTY" disclaimer below - * ("Disclaimer") and any redistribution must be conditioned upon - * including a substantially similar Disclaimer requirement for further - * binary redistribution. - * 3. Neither the names of the above-listed copyright holders nor the names - * of any contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * Alternatively, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2 as published by the Free - * Software Foundation. - * - * NO WARRANTY - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGES. - */ - -#include <acpi/acpi.h> -#include <acpi/actables.h> - -#define _COMPONENT ACPI_TABLES -ACPI_MODULE_NAME("tbrsdt") - -/******************************************************************************* - * - * FUNCTION: acpi_tb_verify_rsdp - * - * PARAMETERS: Address - RSDP (Pointer to RSDT) - * - * RETURN: Status - * - * DESCRIPTION: Load and validate the RSDP (ptr) and RSDT (table) - * - ******************************************************************************/ -acpi_status acpi_tb_verify_rsdp(struct acpi_pointer *address) -{ - struct acpi_table_desc table_info; - acpi_status status; - struct rsdp_descriptor *rsdp; - - ACPI_FUNCTION_TRACE(tb_verify_rsdp); - - switch (address->pointer_type) { - case ACPI_LOGICAL_POINTER: - - rsdp = address->pointer.logical; - break; - - case ACPI_PHYSICAL_POINTER: - /* - * Obtain access to the RSDP structure - */ - status = acpi_os_map_memory(address->pointer.physical, - sizeof(struct rsdp_descriptor), - ACPI_CAST_PTR(void, &rsdp)); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - break; - - default: - return_ACPI_STATUS(AE_BAD_PARAMETER); - } - - /* Verify RSDP signature and checksum */ - - status = acpi_tb_validate_rsdp(rsdp); - if (ACPI_FAILURE(status)) { - goto cleanup; - } - - /* RSDP is ok. Init the table info */ - - table_info.pointer = ACPI_CAST_PTR(struct acpi_table_header, rsdp); - table_info.length = sizeof(struct rsdp_descriptor); - - if (address->pointer_type == ACPI_PHYSICAL_POINTER) { - table_info.allocation = ACPI_MEM_MAPPED; - } else { - table_info.allocation = ACPI_MEM_NOT_ALLOCATED; - } - - /* Save the table pointers and allocation info */ - - status = acpi_tb_init_table_descriptor(ACPI_TABLE_ID_RSDP, &table_info); - if (ACPI_FAILURE(status)) { - goto cleanup; - } - - /* Save the RSDP in a global for easy access */ - - acpi_gbl_RSDP = - ACPI_CAST_PTR(struct rsdp_descriptor, table_info.pointer); - return_ACPI_STATUS(status); - - /* Error exit */ - cleanup: - - if (acpi_gbl_table_flags & ACPI_PHYSICAL_POINTER) { - acpi_os_unmap_memory(rsdp, sizeof(struct rsdp_descriptor)); - } - return_ACPI_STATUS(status); -} - -/******************************************************************************* - * - * FUNCTION: acpi_tb_get_rsdt_address - * - * PARAMETERS: out_address - Where the address is returned - * - * RETURN: None, Address - * - * DESCRIPTION: Extract the address of either the RSDT or XSDT, depending on the - * version of the RSDP and whether the XSDT pointer is valid - * - ******************************************************************************/ - -void acpi_tb_get_rsdt_address(struct acpi_pointer *out_address) -{ - - ACPI_FUNCTION_ENTRY(); - - out_address->pointer_type = - acpi_gbl_table_flags | ACPI_LOGICAL_ADDRESSING; - - /* Use XSDT if it is present */ - - if ((acpi_gbl_RSDP->revision >= 2) && - acpi_gbl_RSDP->xsdt_physical_address) { - out_address->pointer.value = - acpi_gbl_RSDP->xsdt_physical_address; - acpi_gbl_root_table_type = ACPI_TABLE_TYPE_XSDT; - } else { - /* No XSDT, use the RSDT */ - - out_address->pointer.value = - acpi_gbl_RSDP->rsdt_physical_address; - acpi_gbl_root_table_type = ACPI_TABLE_TYPE_RSDT; - } -} - -/******************************************************************************* - * - * FUNCTION: acpi_tb_validate_rsdt - * - * PARAMETERS: table_ptr - Addressable pointer to the RSDT. - * - * RETURN: Status - * - * DESCRIPTION: Validate signature for the RSDT or XSDT - * - ******************************************************************************/ - -acpi_status acpi_tb_validate_rsdt(struct acpi_table_header *table_ptr) -{ - char *signature; - - ACPI_FUNCTION_ENTRY(); - - /* Validate minimum length */ - - if (table_ptr->length < sizeof(struct acpi_table_header)) { - ACPI_ERROR((AE_INFO, - "RSDT/XSDT length (%X) is smaller than minimum (%zX)", - table_ptr->length, - sizeof(struct acpi_table_header))); - - return (AE_INVALID_TABLE_LENGTH); - } - - /* Search for appropriate signature, RSDT or XSDT */ - - if (acpi_gbl_root_table_type == ACPI_TABLE_TYPE_RSDT) { - signature = RSDT_SIG; - } else { - signature = XSDT_SIG; - } - - if (!ACPI_COMPARE_NAME(table_ptr->signature, signature)) { - - /* Invalid RSDT or XSDT signature */ - - ACPI_ERROR((AE_INFO, - "Invalid signature where RSDP indicates RSDT/XSDT should be located. RSDP:")); - - ACPI_DUMP_BUFFER(acpi_gbl_RSDP, 20); - - ACPI_ERROR((AE_INFO, - "RSDT/XSDT signature at %X is invalid", - acpi_gbl_RSDP->rsdt_physical_address)); - - if (acpi_gbl_root_table_type == ACPI_TABLE_TYPE_RSDT) { - ACPI_ERROR((AE_INFO, "Looking for RSDT")); - } else { - ACPI_ERROR((AE_INFO, "Looking for XSDT")); - } - - ACPI_DUMP_BUFFER(ACPI_CAST_PTR(char, table_ptr), 48); - return (AE_BAD_SIGNATURE); - } - - return (AE_OK); -} - -/******************************************************************************* - * - * FUNCTION: acpi_tb_get_table_rsdt - * - * PARAMETERS: None - * - * RETURN: Status - * - * DESCRIPTION: Load and validate the RSDP (ptr) and RSDT (table) - * - ******************************************************************************/ - -acpi_status acpi_tb_get_table_rsdt(void) -{ - struct acpi_table_desc table_info; - acpi_status status; - struct acpi_pointer address; - - ACPI_FUNCTION_TRACE(tb_get_table_rsdt); - - /* Get the RSDT/XSDT via the RSDP */ - - acpi_tb_get_rsdt_address(&address); - - table_info.type = ACPI_TABLE_ID_XSDT; - status = acpi_tb_get_table(&address, &table_info); - if (ACPI_FAILURE(status)) { - ACPI_EXCEPTION((AE_INFO, status, - "Could not get the RSDT/XSDT")); - return_ACPI_STATUS(status); - } - - ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "RSDP located at %p, points to RSDT physical=%8.8X%8.8X\n", - acpi_gbl_RSDP, - ACPI_FORMAT_UINT64(address.pointer.value))); - - /* Check the RSDT or XSDT signature */ - - status = acpi_tb_validate_rsdt(table_info.pointer); - if (ACPI_FAILURE(status)) { - goto error_cleanup; - } - - /* Get the number of tables defined in the RSDT or XSDT */ - - acpi_gbl_rsdt_table_count = acpi_tb_get_table_count(acpi_gbl_RSDP, - table_info.pointer); - - /* Convert and/or copy to an XSDT structure */ - - status = acpi_tb_convert_to_xsdt(&table_info); - if (ACPI_FAILURE(status)) { - goto error_cleanup; - } - - /* Save the table pointers and allocation info */ - - status = acpi_tb_init_table_descriptor(ACPI_TABLE_ID_XSDT, &table_info); - if (ACPI_FAILURE(status)) { - goto error_cleanup; - } - - acpi_gbl_XSDT = - ACPI_CAST_PTR(struct xsdt_descriptor, table_info.pointer); - - ACPI_DEBUG_PRINT((ACPI_DB_INFO, "XSDT located at %p\n", acpi_gbl_XSDT)); - return_ACPI_STATUS(status); - - error_cleanup: - - /* Free table allocated by acpi_tb_get_table */ - - acpi_tb_delete_single_table(&table_info); - - return_ACPI_STATUS(status); -} diff --git a/drivers/acpi/tables/tbutils.c b/drivers/acpi/tables/tbutils.c index 209a401801e..1da64b4518c 100644 --- a/drivers/acpi/tables/tbutils.c +++ b/drivers/acpi/tables/tbutils.c @@ -1,11 +1,11 @@ /****************************************************************************** * - * Module Name: tbutils - Table manipulation utilities + * Module Name: tbutils - table utilities * *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -48,137 +48,119 @@ ACPI_MODULE_NAME("tbutils") /* Local prototypes */ -#ifdef ACPI_OBSOLETE_FUNCTIONS -acpi_status -acpi_tb_handle_to_object(u16 table_id, struct acpi_table_desc **table_desc); -#endif +static acpi_physical_address +acpi_tb_get_root_table_entry(u8 * table_entry, + acpi_native_uint table_entry_size); /******************************************************************************* * - * FUNCTION: acpi_tb_is_table_installed - * - * PARAMETERS: new_table_desc - Descriptor for new table being installed + * FUNCTION: acpi_tb_tables_loaded * - * RETURN: Status - AE_ALREADY_EXISTS if the table is already installed + * PARAMETERS: None * - * DESCRIPTION: Determine if an ACPI table is already installed + * RETURN: TRUE if required ACPI tables are loaded * - * MUTEX: Table data structures should be locked + * DESCRIPTION: Determine if the minimum required ACPI tables are present + * (FADT, FACS, DSDT) * ******************************************************************************/ -acpi_status acpi_tb_is_table_installed(struct acpi_table_desc *new_table_desc) +u8 acpi_tb_tables_loaded(void) { - struct acpi_table_desc *table_desc; - - ACPI_FUNCTION_TRACE(tb_is_table_installed); - /* Get the list descriptor and first table descriptor */ - - table_desc = acpi_gbl_table_lists[new_table_desc->type].next; + if (acpi_gbl_root_table_list.count >= 3) { + return (TRUE); + } - /* Examine all installed tables of this type */ + return (FALSE); +} - while (table_desc) { - /* - * If the table lengths match, perform a full bytewise compare. This - * means that we will allow tables with duplicate oem_table_id(s), as - * long as the tables are different in some way. - * - * Checking if the table has been loaded into the namespace means that - * we don't check for duplicate tables during the initial installation - * of tables within the RSDT/XSDT. - */ - if ((table_desc->loaded_into_namespace) && - (table_desc->pointer->length == - new_table_desc->pointer->length) - && - (!ACPI_MEMCMP - (table_desc->pointer, new_table_desc->pointer, - new_table_desc->pointer->length))) { - - /* Match: this table is already installed */ - - ACPI_DEBUG_PRINT((ACPI_DB_TABLES, - "Table [%4.4s] already installed: Rev %X OemTableId [%8.8s]\n", - new_table_desc->pointer->signature, - new_table_desc->pointer->revision, - new_table_desc->pointer-> - oem_table_id)); - - new_table_desc->owner_id = table_desc->owner_id; - new_table_desc->installed_desc = table_desc; - - return_ACPI_STATUS(AE_ALREADY_EXISTS); - } +/******************************************************************************* + * + * FUNCTION: acpi_tb_print_table_header + * + * PARAMETERS: Address - Table physical address + * Header - Table header + * + * RETURN: None + * + * DESCRIPTION: Print an ACPI table header. Special cases for FACS and RSDP. + * + ******************************************************************************/ - /* Get next table on the list */ +void +acpi_tb_print_table_header(acpi_physical_address address, + struct acpi_table_header *header) +{ - table_desc = table_desc->next; + if (ACPI_COMPARE_NAME(header->signature, ACPI_SIG_FACS)) { + + /* FACS only has signature and length fields of common table header */ + + ACPI_INFO((AE_INFO, "%4.4s %08lX, %04X", + header->signature, (unsigned long)address, + header->length)); + } else if (ACPI_COMPARE_NAME(header->signature, ACPI_SIG_RSDP)) { + + /* RSDP has no common fields */ + + ACPI_INFO((AE_INFO, "RSDP %08lX, %04X (r%d %6.6s)", + (unsigned long)address, + (ACPI_CAST_PTR(struct acpi_table_rsdp, header)-> + revision > + 0) ? ACPI_CAST_PTR(struct acpi_table_rsdp, + header)->length : 20, + ACPI_CAST_PTR(struct acpi_table_rsdp, + header)->revision, + ACPI_CAST_PTR(struct acpi_table_rsdp, + header)->oem_id)); + } else { + /* Standard ACPI table with full common header */ + + ACPI_INFO((AE_INFO, + "%4.4s %08lX, %04X (r%d %6.6s %8.8s %8X %4.4s %8X)", + header->signature, (unsigned long)address, + header->length, header->revision, header->oem_id, + header->oem_table_id, header->oem_revision, + header->asl_compiler_id, + header->asl_compiler_revision)); } - - return_ACPI_STATUS(AE_OK); } /******************************************************************************* * - * FUNCTION: acpi_tb_validate_table_header + * FUNCTION: acpi_tb_validate_checksum * - * PARAMETERS: table_header - Logical pointer to the table + * PARAMETERS: Table - ACPI table to verify + * Length - Length of entire table * * RETURN: Status * - * DESCRIPTION: Check an ACPI table header for validity - * - * NOTE: Table pointers are validated as follows: - * 1) Table pointer must point to valid physical memory - * 2) Signature must be 4 ASCII chars, even if we don't recognize the - * name - * 3) Table must be readable for length specified in the header - * 4) Table checksum must be valid (with the exception of the FACS - * which has no checksum because it contains variable fields) + * DESCRIPTION: Verifies that the table checksums to zero. Optionally returns + * exception on bad checksum. * ******************************************************************************/ -acpi_status -acpi_tb_validate_table_header(struct acpi_table_header *table_header) +acpi_status acpi_tb_verify_checksum(struct acpi_table_header *table, u32 length) { - acpi_name signature; - - ACPI_FUNCTION_ENTRY(); - - /* Verify that this is a valid address */ - - if (!acpi_os_readable(table_header, sizeof(struct acpi_table_header))) { - ACPI_ERROR((AE_INFO, - "Cannot read table header at %p", table_header)); - - return (AE_BAD_ADDRESS); - } + u8 checksum; - /* Ensure that the signature is 4 ASCII characters */ + /* Compute the checksum on the table */ - ACPI_MOVE_32_TO_32(&signature, table_header->signature); - if (!acpi_ut_valid_acpi_name(signature)) { - ACPI_ERROR((AE_INFO, "Invalid table signature 0x%8.8X", - signature)); + checksum = acpi_tb_checksum(ACPI_CAST_PTR(u8, table), length); - ACPI_DUMP_BUFFER(table_header, - sizeof(struct acpi_table_header)); - return (AE_BAD_SIGNATURE); - } + /* Checksum ok? (should be zero) */ - /* Validate the table length */ + if (checksum) { + ACPI_WARNING((AE_INFO, + "Incorrect checksum in table [%4.4s] - %2.2X, should be %2.2X", + table->signature, table->checksum, + (u8) (table->checksum - checksum))); - if (table_header->length < sizeof(struct acpi_table_header)) { - ACPI_ERROR((AE_INFO, - "Invalid length 0x%X in table with signature %4.4s", - (u32) table_header->length, - ACPI_CAST_PTR(char, &signature))); +#if (ACPI_CHECKSUM_ABORT) - ACPI_DUMP_BUFFER(table_header, - sizeof(struct acpi_table_header)); - return (AE_BAD_HEADER); + return (AE_BAD_CHECKSUM); +#endif } return (AE_OK); @@ -186,157 +168,320 @@ acpi_tb_validate_table_header(struct acpi_table_header *table_header) /******************************************************************************* * - * FUNCTION: acpi_tb_sum_table + * FUNCTION: acpi_tb_checksum * - * PARAMETERS: Buffer - Buffer to sum - * Length - Size of the buffer + * PARAMETERS: Buffer - Pointer to memory region to be checked + * Length - Length of this memory region * - * RETURN: 8 bit sum of buffer + * RETURN: Checksum (u8) * - * DESCRIPTION: Computes an 8 bit sum of the buffer(length) and returns it. + * DESCRIPTION: Calculates circular checksum of memory region. * ******************************************************************************/ -u8 acpi_tb_sum_table(void *buffer, u32 length) +u8 acpi_tb_checksum(u8 * buffer, acpi_native_uint length) { - acpi_native_uint i; u8 sum = 0; + u8 *end = buffer + length; - if (!buffer || !length) { - return (0); + while (buffer < end) { + sum = (u8) (sum + *(buffer++)); } - for (i = 0; i < length; i++) { - sum = (u8) (sum + ((u8 *) buffer)[i]); - } - return (sum); + return sum; } /******************************************************************************* * - * FUNCTION: acpi_tb_generate_checksum + * FUNCTION: acpi_tb_install_table * - * PARAMETERS: Table - Pointer to a valid ACPI table (with a - * standard ACPI header) + * PARAMETERS: Address - Physical address of DSDT or FACS + * Flags - Flags + * Signature - Table signature, NULL if no need to + * match + * table_index - Index into root table array * - * RETURN: 8 bit checksum of buffer + * RETURN: None * - * DESCRIPTION: Computes an 8 bit checksum of the table. + * DESCRIPTION: Install an ACPI table into the global data structure. * ******************************************************************************/ -u8 acpi_tb_generate_checksum(struct acpi_table_header * table) +void +acpi_tb_install_table(acpi_physical_address address, + u8 flags, char *signature, acpi_native_uint table_index) { - u8 checksum; + struct acpi_table_header *table; + + if (!address) { + ACPI_ERROR((AE_INFO, + "Null physical address for ACPI table [%s]", + signature)); + return; + } + + /* Map just the table header */ + + table = acpi_os_map_memory(address, sizeof(struct acpi_table_header)); + if (!table) { + return; + } + + /* If a particular signature is expected, signature must match */ + + if (signature && !ACPI_COMPARE_NAME(table->signature, signature)) { + ACPI_ERROR((AE_INFO, + "Invalid signature 0x%X for ACPI table [%s]", + *ACPI_CAST_PTR(u32, table->signature), signature)); + goto unmap_and_exit; + } - /* Sum the entire table as-is */ + /* Initialize the table entry */ - checksum = acpi_tb_sum_table(table, table->length); + acpi_gbl_root_table_list.tables[table_index].address = address; + acpi_gbl_root_table_list.tables[table_index].length = table->length; + acpi_gbl_root_table_list.tables[table_index].flags = flags; - /* Subtract off the existing checksum value in the table */ + ACPI_MOVE_32_TO_32(& + (acpi_gbl_root_table_list.tables[table_index]. + signature), table->signature); - checksum = (u8) (checksum - table->checksum); + acpi_tb_print_table_header(address, table); - /* Compute the final checksum */ + if (table_index == ACPI_TABLE_INDEX_DSDT) { - checksum = (u8) (0 - checksum); - return (checksum); + /* Global integer width is based upon revision of the DSDT */ + + acpi_ut_set_integer_width(table->revision); + } + + unmap_and_exit: + acpi_os_unmap_memory(table, sizeof(struct acpi_table_header)); } /******************************************************************************* * - * FUNCTION: acpi_tb_set_checksum + * FUNCTION: acpi_tb_get_root_table_entry * - * PARAMETERS: Table - Pointer to a valid ACPI table (with a - * standard ACPI header) + * PARAMETERS: table_entry - Pointer to the RSDT/XSDT table entry + * table_entry_size - sizeof 32 or 64 (RSDT or XSDT) * - * RETURN: None. Sets the table checksum field + * RETURN: Physical address extracted from the root table * - * DESCRIPTION: Computes an 8 bit checksum of the table and inserts the - * checksum into the table header. + * DESCRIPTION: Get one root table entry. Handles 32-bit and 64-bit cases on + * both 32-bit and 64-bit platforms + * + * NOTE: acpi_physical_address is 32-bit on 32-bit platforms, 64-bit on + * 64-bit platforms. * ******************************************************************************/ -void acpi_tb_set_checksum(struct acpi_table_header *table) +static acpi_physical_address +acpi_tb_get_root_table_entry(u8 * table_entry, + acpi_native_uint table_entry_size) { + u64 address64; + + /* + * Get the table physical address (32-bit for RSDT, 64-bit for XSDT): + * Note: Addresses are 32-bit aligned (not 64) in both RSDT and XSDT + */ + if (table_entry_size == sizeof(u32)) { + /* + * 32-bit platform, RSDT: Return 32-bit table entry + * 64-bit platform, RSDT: Expand 32-bit to 64-bit and return + */ + return ((acpi_physical_address) + (*ACPI_CAST_PTR(u32, table_entry))); + } else { + /* + * 32-bit platform, XSDT: Truncate 64-bit to 32-bit and return + * 64-bit platform, XSDT: Move (unaligned) 64-bit to local, return 64-bit + */ + ACPI_MOVE_64_TO_64(&address64, table_entry); - table->checksum = acpi_tb_generate_checksum(table); +#if ACPI_MACHINE_WIDTH == 32 + if (address64 > ACPI_UINT32_MAX) { + + /* Will truncate 64-bit address to 32 bits, issue warning */ + + ACPI_WARNING((AE_INFO, + "64-bit Physical Address in XSDT is too large (%8.8X%8.8X), truncating", + ACPI_FORMAT_UINT64(address64))); + } +#endif + return ((acpi_physical_address) (address64)); + } } /******************************************************************************* * - * FUNCTION: acpi_tb_verify_table_checksum + * FUNCTION: acpi_tb_parse_root_table + * + * PARAMETERS: Rsdp - Pointer to the RSDP + * Flags - Flags * - * PARAMETERS: *table_header - ACPI table to verify + * RETURN: Status * - * RETURN: 8 bit checksum of table + * DESCRIPTION: This function is called to parse the Root System Description + * Table (RSDT or XSDT) * - * DESCRIPTION: Generates an 8 bit checksum of table and returns and compares - * it to the existing checksum value. + * NOTE: Tables are mapped (not copied) for efficiency. The FACS must + * be mapped and cannot be copied because it contains the actual + * memory location of the ACPI Global Lock. * ******************************************************************************/ -acpi_status -acpi_tb_verify_table_checksum(struct acpi_table_header *table_header) +acpi_status __init +acpi_tb_parse_root_table(acpi_physical_address rsdp_address, u8 flags) { - u8 checksum; + struct acpi_table_rsdp *rsdp; + acpi_native_uint table_entry_size; + acpi_native_uint i; + u32 table_count; + struct acpi_table_header *table; + acpi_physical_address address; + u32 length; + u8 *table_entry; + acpi_status status; + + ACPI_FUNCTION_TRACE(tb_parse_root_table); + + /* + * Map the entire RSDP and extract the address of the RSDT or XSDT + */ + rsdp = acpi_os_map_memory(rsdp_address, sizeof(struct acpi_table_rsdp)); + if (!rsdp) { + return_ACPI_STATUS(AE_NO_MEMORY); + } - ACPI_FUNCTION_TRACE(tb_verify_table_checksum); + acpi_tb_print_table_header(rsdp_address, + ACPI_CAST_PTR(struct acpi_table_header, + rsdp)); - /* Compute the checksum on the table */ + /* Differentiate between RSDT and XSDT root tables */ - checksum = acpi_tb_generate_checksum(table_header); + if (rsdp->revision > 1 && rsdp->xsdt_physical_address) { + /* + * Root table is an XSDT (64-bit physical addresses). We must use the + * XSDT if the revision is > 1 and the XSDT pointer is present, as per + * the ACPI specification. + */ + address = (acpi_physical_address) rsdp->xsdt_physical_address; + table_entry_size = sizeof(u64); + } else { + /* Root table is an RSDT (32-bit physical addresses) */ - /* Checksum ok? */ + address = (acpi_physical_address) rsdp->rsdt_physical_address; + table_entry_size = sizeof(u32); + } - if (checksum == table_header->checksum) { - return_ACPI_STATUS(AE_OK); + /* + * It is not possible to map more than one entry in some environments, + * so unmap the RSDP here before mapping other tables + */ + acpi_os_unmap_memory(rsdp, sizeof(struct acpi_table_rsdp)); + + /* Map the RSDT/XSDT table header to get the full table length */ + + table = acpi_os_map_memory(address, sizeof(struct acpi_table_header)); + if (!table) { + return_ACPI_STATUS(AE_NO_MEMORY); } - ACPI_WARNING((AE_INFO, - "Incorrect checksum in table [%4.4s] - is %2.2X, should be %2.2X", - table_header->signature, table_header->checksum, - checksum)); + acpi_tb_print_table_header(address, table); - return_ACPI_STATUS(AE_BAD_CHECKSUM); -} + /* Get the length of the full table, verify length and map entire table */ -#ifdef ACPI_OBSOLETE_FUNCTIONS -/******************************************************************************* - * - * FUNCTION: acpi_tb_handle_to_object - * - * PARAMETERS: table_id - Id for which the function is searching - * table_desc - Pointer to return the matching table - * descriptor. - * - * RETURN: Search the tables to find one with a matching table_id and - * return a pointer to that table descriptor. - * - ******************************************************************************/ + length = table->length; + acpi_os_unmap_memory(table, sizeof(struct acpi_table_header)); -acpi_status -acpi_tb_handle_to_object(u16 table_id, - struct acpi_table_desc **return_table_desc) -{ - u32 i; - struct acpi_table_desc *table_desc; + if (length < sizeof(struct acpi_table_header)) { + ACPI_ERROR((AE_INFO, "Invalid length 0x%X in RSDT/XSDT", + length)); + return_ACPI_STATUS(AE_INVALID_TABLE_LENGTH); + } - ACPI_FUNCTION_NAME(tb_handle_to_object); + table = acpi_os_map_memory(address, length); + if (!table) { + return_ACPI_STATUS(AE_NO_MEMORY); + } + + /* Validate the root table checksum */ + + status = acpi_tb_verify_checksum(table, length); + if (ACPI_FAILURE(status)) { + acpi_os_unmap_memory(table, length); + return_ACPI_STATUS(status); + } - for (i = 0; i < ACPI_TABLE_MAX; i++) { - table_desc = acpi_gbl_table_lists[i].next; - while (table_desc) { - if (table_desc->table_id == table_id) { - *return_table_desc = table_desc; - return (AE_OK); + /* Calculate the number of tables described in the root table */ + + table_count = + (u32) ((table->length - + sizeof(struct acpi_table_header)) / table_entry_size); + + /* + * First two entries in the table array are reserved for the DSDT and FACS, + * which are not actually present in the RSDT/XSDT - they come from the FADT + */ + table_entry = + ACPI_CAST_PTR(u8, table) + sizeof(struct acpi_table_header); + acpi_gbl_root_table_list.count = 2; + + /* + * Initialize the root table array from the RSDT/XSDT + */ + for (i = 0; i < table_count; i++) { + if (acpi_gbl_root_table_list.count >= + acpi_gbl_root_table_list.size) { + + /* There is no more room in the root table array, attempt resize */ + + status = acpi_tb_resize_root_table_list(); + if (ACPI_FAILURE(status)) { + ACPI_WARNING((AE_INFO, + "Truncating %u table entries!", + (unsigned) + (acpi_gbl_root_table_list.size - + acpi_gbl_root_table_list. + count))); + break; } + } + + /* Get the table physical address (32-bit for RSDT, 64-bit for XSDT) */ - table_desc = table_desc->next; + acpi_gbl_root_table_list.tables[acpi_gbl_root_table_list.count]. + address = + acpi_tb_get_root_table_entry(table_entry, table_entry_size); + + table_entry += table_entry_size; + acpi_gbl_root_table_list.count++; + } + + /* + * It is not possible to map more than one entry in some environments, + * so unmap the root table here before mapping other tables + */ + acpi_os_unmap_memory(table, length); + + /* + * Complete the initialization of the root table array by examining + * the header of each table + */ + for (i = 2; i < acpi_gbl_root_table_list.count; i++) { + acpi_tb_install_table(acpi_gbl_root_table_list.tables[i]. + address, flags, NULL, i); + + /* Special case for FADT - get the DSDT and FACS */ + + if (ACPI_COMPARE_NAME + (&acpi_gbl_root_table_list.tables[i].signature, + ACPI_SIG_FADT)) { + acpi_tb_parse_fadt(i, flags); } } - ACPI_ERROR((AE_INFO, "TableId=%X does not exist", table_id)); - return (AE_BAD_PARAMETER); + return_ACPI_STATUS(AE_OK); } -#endif diff --git a/drivers/acpi/tables/tbxface.c b/drivers/acpi/tables/tbxface.c index 5ba9303293a..807978d5381 100644 --- a/drivers/acpi/tables/tbxface.c +++ b/drivers/acpi/tables/tbxface.c @@ -6,7 +6,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -49,80 +49,158 @@ #define _COMPONENT ACPI_TABLES ACPI_MODULE_NAME("tbxface") +/* Local prototypes */ +static acpi_status acpi_tb_load_namespace(void); + /******************************************************************************* * - * FUNCTION: acpi_load_tables + * FUNCTION: acpi_allocate_root_table * - * PARAMETERS: None + * PARAMETERS: initial_table_count - Size of initial_table_array, in number of + * struct acpi_table_desc structures * * RETURN: Status * - * DESCRIPTION: This function is called to load the ACPI tables from the - * provided RSDT + * DESCRIPTION: Allocate a root table array. Used by i_aSL compiler and + * acpi_initialize_tables. * ******************************************************************************/ -acpi_status acpi_load_tables(void) + +acpi_status acpi_allocate_root_table(u32 initial_table_count) { - struct acpi_pointer rsdp_address; - acpi_status status; - ACPI_FUNCTION_TRACE(acpi_load_tables); + acpi_gbl_root_table_list.size = initial_table_count; + acpi_gbl_root_table_list.flags = ACPI_ROOT_ALLOW_RESIZE; - /* Get the RSDP */ + return (acpi_tb_resize_root_table_list()); +} - status = acpi_os_get_root_pointer(ACPI_LOGICAL_ADDRESSING, - &rsdp_address); - if (ACPI_FAILURE(status)) { - ACPI_EXCEPTION((AE_INFO, status, "Could not get the RSDP")); - goto error_exit; - } +/******************************************************************************* + * + * FUNCTION: acpi_initialize_tables + * + * PARAMETERS: initial_table_array - Pointer to an array of pre-allocated + * struct acpi_table_desc structures. If NULL, the + * array is dynamically allocated. + * initial_table_count - Size of initial_table_array, in number of + * struct acpi_table_desc structures + * allow_realloc - Flag to tell Table Manager if resize of + * pre-allocated array is allowed. Ignored + * if initial_table_array is NULL. + * + * RETURN: Status + * + * DESCRIPTION: Initialize the table manager, get the RSDP and RSDT/XSDT. + * + * NOTE: Allows static allocation of the initial table array in order + * to avoid the use of dynamic memory in confined environments + * such as the kernel boot sequence where it may not be available. + * + * If the host OS memory managers are initialized, use NULL for + * initial_table_array, and the table will be dynamically allocated. + * + ******************************************************************************/ - /* Map and validate the RSDP */ +acpi_status __init +acpi_initialize_tables(struct acpi_table_desc * initial_table_array, + u32 initial_table_count, u8 allow_resize) +{ + acpi_physical_address rsdp_address; + acpi_status status; - acpi_gbl_table_flags = rsdp_address.pointer_type; + ACPI_FUNCTION_TRACE(acpi_initialize_tables); - status = acpi_tb_verify_rsdp(&rsdp_address); - if (ACPI_FAILURE(status)) { - ACPI_EXCEPTION((AE_INFO, status, "During RSDP validation")); - goto error_exit; + /* + * Set up the Root Table Array + * Allocate the table array if requested + */ + if (!initial_table_array) { + status = acpi_allocate_root_table(initial_table_count); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + } else { + /* Root Table Array has been statically allocated by the host */ + + ACPI_MEMSET(initial_table_array, 0, + initial_table_count * + sizeof(struct acpi_table_desc)); + + acpi_gbl_root_table_list.tables = initial_table_array; + acpi_gbl_root_table_list.size = initial_table_count; + acpi_gbl_root_table_list.flags = ACPI_ROOT_ORIGIN_UNKNOWN; + if (allow_resize) { + acpi_gbl_root_table_list.flags |= + ACPI_ROOT_ALLOW_RESIZE; + } } - /* Get the RSDT via the RSDP */ + /* Get the address of the RSDP */ - status = acpi_tb_get_table_rsdt(); - if (ACPI_FAILURE(status)) { - ACPI_EXCEPTION((AE_INFO, status, "Could not load RSDT")); - goto error_exit; + rsdp_address = acpi_os_get_root_pointer(); + if (!rsdp_address) { + return_ACPI_STATUS(AE_NOT_FOUND); } - /* Now get the tables needed by this subsystem (FADT, DSDT, etc.) */ + /* + * Get the root table (RSDT or XSDT) and extract all entries to the local + * Root Table Array. This array contains the information of the RSDT/XSDT + * in a common, more useable format. + */ + status = + acpi_tb_parse_root_table(rsdp_address, ACPI_TABLE_ORIGIN_MAPPED); + return_ACPI_STATUS(status); +} - status = acpi_tb_get_required_tables(); - if (ACPI_FAILURE(status)) { - ACPI_EXCEPTION((AE_INFO, status, - "Could not get all required tables (DSDT/FADT/FACS)")); - goto error_exit; +/******************************************************************************* + * + * FUNCTION: acpi_reallocate_root_table + * + * PARAMETERS: None + * + * RETURN: Status + * + * DESCRIPTION: Reallocate Root Table List into dynamic memory. Copies the + * root list from the previously provided scratch area. Should + * be called once dynamic memory allocation is available in the + * kernel + * + ******************************************************************************/ +acpi_status acpi_reallocate_root_table(void) +{ + struct acpi_table_desc *tables; + acpi_size new_size; + + ACPI_FUNCTION_TRACE(acpi_reallocate_root_table); + + /* + * Only reallocate the root table if the host provided a static buffer + * for the table array in the call to acpi_initialize_tables. + */ + if (acpi_gbl_root_table_list.flags & ACPI_ROOT_ORIGIN_ALLOCATED) { + return_ACPI_STATUS(AE_SUPPORT); } - ACPI_DEBUG_PRINT((ACPI_DB_INIT, "ACPI Tables successfully acquired\n")); + new_size = + (acpi_gbl_root_table_list.count + + ACPI_ROOT_TABLE_SIZE_INCREMENT) * sizeof(struct acpi_table_desc); - /* Load the namespace from the tables */ + /* Create new array and copy the old array */ - status = acpi_ns_load_namespace(); - if (ACPI_FAILURE(status)) { - ACPI_EXCEPTION((AE_INFO, status, "Could not load namespace")); - goto error_exit; + tables = ACPI_ALLOCATE_ZEROED(new_size); + if (!tables) { + return_ACPI_STATUS(AE_NO_MEMORY); } - return_ACPI_STATUS(AE_OK); + ACPI_MEMCPY(tables, acpi_gbl_root_table_list.tables, new_size); - error_exit: - ACPI_EXCEPTION((AE_INFO, status, "Could not load tables")); - return_ACPI_STATUS(status); -} - -ACPI_EXPORT_SYMBOL(acpi_load_tables) + acpi_gbl_root_table_list.size = acpi_gbl_root_table_list.count; + acpi_gbl_root_table_list.tables = tables; + acpi_gbl_root_table_list.flags = + ACPI_ROOT_ORIGIN_ALLOCATED | ACPI_ROOT_ALLOW_RESIZE; + return_ACPI_STATUS(AE_OK); +} /******************************************************************************* * * FUNCTION: acpi_load_table @@ -141,342 +219,405 @@ ACPI_EXPORT_SYMBOL(acpi_load_tables) acpi_status acpi_load_table(struct acpi_table_header *table_ptr) { acpi_status status; - struct acpi_table_desc table_info; - struct acpi_pointer address; - - ACPI_FUNCTION_TRACE(acpi_load_table); - - if (!table_ptr) { - return_ACPI_STATUS(AE_BAD_PARAMETER); - } - - /* Copy the table to a local buffer */ + acpi_native_uint table_index; + struct acpi_table_desc table_desc; - address.pointer_type = ACPI_LOGICAL_POINTER | ACPI_LOGICAL_ADDRESSING; - address.pointer.logical = table_ptr; - - status = acpi_tb_get_table_body(&address, table_ptr, &table_info); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - /* Check signature for a valid table type */ - - status = acpi_tb_recognize_table(&table_info, ACPI_TABLE_ALL); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } + if (!table_ptr) + return AE_BAD_PARAMETER; - /* Install the new table into the local data structures */ + ACPI_MEMSET(&table_desc, 0, sizeof(struct acpi_table_desc)); + table_desc.pointer = table_ptr; + table_desc.length = table_ptr->length; + table_desc.flags = ACPI_TABLE_ORIGIN_UNKNOWN; - status = acpi_tb_install_table(&table_info); + /* + * Install the new table into the local data structures + */ + status = acpi_tb_add_table(&table_desc, &table_index); if (ACPI_FAILURE(status)) { - if (status == AE_ALREADY_EXISTS) { - - /* Table already exists, no error */ - - status = AE_OK; - } - - /* Free table allocated by acpi_tb_get_table_body */ - - acpi_tb_delete_single_table(&table_info); - return_ACPI_STATUS(status); + return status; } + status = acpi_ns_load_table(table_index, acpi_gbl_root_node); + return status; +} - /* Convert the table to common format if necessary */ - - switch (table_info.type) { - case ACPI_TABLE_ID_FADT: - - status = acpi_tb_convert_table_fadt(); - break; - - case ACPI_TABLE_ID_FACS: +ACPI_EXPORT_SYMBOL(acpi_load_table) - status = acpi_tb_build_common_facs(&table_info); - break; +/****************************************************************************** + * + * FUNCTION: acpi_get_table_header + * + * PARAMETERS: Signature - ACPI signature of needed table + * Instance - Which instance (for SSDTs) + * out_table_header - The pointer to the table header to fill + * + * RETURN: Status and pointer to mapped table header + * + * DESCRIPTION: Finds an ACPI table header. + * + * NOTE: Caller is responsible in unmapping the header with + * acpi_os_unmap_memory + * + *****************************************************************************/ +acpi_status +acpi_get_table_header(char *signature, + acpi_native_uint instance, + struct acpi_table_header *out_table_header) +{ + acpi_native_uint i; + acpi_native_uint j; + struct acpi_table_header *header; - default: - /* Load table into namespace if it contains executable AML */ + /* Parameter validation */ - status = - acpi_ns_load_table(table_info.installed_desc, - acpi_gbl_root_node); - break; + if (!signature || !out_table_header) { + return (AE_BAD_PARAMETER); } - if (ACPI_FAILURE(status)) { + /* + * Walk the root table list + */ + for (i = 0, j = 0; i < acpi_gbl_root_table_list.count; i++) { + if (!ACPI_COMPARE_NAME + (&(acpi_gbl_root_table_list.tables[i].signature), + signature)) { + continue; + } - /* Uninstall table and free the buffer */ + if (++j < instance) { + continue; + } - (void)acpi_tb_uninstall_table(table_info.installed_desc); + if (!acpi_gbl_root_table_list.tables[i].pointer) { + if ((acpi_gbl_root_table_list.tables[i]. + flags & ACPI_TABLE_ORIGIN_MASK) == + ACPI_TABLE_ORIGIN_MAPPED) { + header = + acpi_os_map_memory(acpi_gbl_root_table_list. + tables[i].address, + sizeof(struct + acpi_table_header)); + if (!header) { + return AE_NO_MEMORY; + } + ACPI_MEMCPY(out_table_header, header, + sizeof(struct acpi_table_header)); + acpi_os_unmap_memory(header, + sizeof(struct + acpi_table_header)); + } else { + return AE_NOT_FOUND; + } + } else { + ACPI_MEMCPY(out_table_header, + acpi_gbl_root_table_list.tables[i].pointer, + sizeof(struct acpi_table_header)); + } + return (AE_OK); } - return_ACPI_STATUS(status); + return (AE_NOT_FOUND); } -ACPI_EXPORT_SYMBOL(acpi_load_table) +ACPI_EXPORT_SYMBOL(acpi_get_table_header) -/******************************************************************************* + +/****************************************************************************** * * FUNCTION: acpi_unload_table_id * - * PARAMETERS: table_type - Type of table to be unloaded - * id - Owner ID of the table to be removed. + * PARAMETERS: id - Owner ID of the table to be removed. * * RETURN: Status * * DESCRIPTION: This routine is used to force the unload of a table (by id) * ******************************************************************************/ -acpi_status acpi_unload_table_id(acpi_table_type table_type, acpi_owner_id id) +acpi_status acpi_unload_table_id(acpi_owner_id id) { - struct acpi_table_desc *table_desc; - acpi_status status; + int i; + acpi_status status = AE_NOT_EXIST; ACPI_FUNCTION_TRACE(acpi_unload_table); - /* Parameter validation */ - if (table_type > ACPI_TABLE_ID_MAX) - return_ACPI_STATUS(AE_BAD_PARAMETER); - /* Find table from the requested type list */ - table_desc = acpi_gbl_table_lists[table_type].next; - while (table_desc && table_desc->owner_id != id) - table_desc = table_desc->next; - - if (!table_desc) - return_ACPI_STATUS(AE_NOT_EXIST); - - /* - * Delete all namespace objects owned by this table. Note that these - * objects can appear anywhere in the namespace by virtue of the AML - * "Scope" operator. Thus, we need to track ownership by an ID, not - * simply a position within the hierarchy - */ - acpi_ns_delete_namespace_by_owner(table_desc->owner_id); - - status = acpi_ut_acquire_mutex(ACPI_MTX_TABLES); - if (ACPI_FAILURE(status)) - return_ACPI_STATUS(status); - - (void)acpi_tb_uninstall_table(table_desc); - - (void)acpi_ut_release_mutex(ACPI_MTX_TABLES); - - return_ACPI_STATUS(AE_OK); + for (i = 0; i < acpi_gbl_root_table_list.count; ++i) { + if (id != acpi_gbl_root_table_list.tables[i].owner_id) { + continue; + } + /* + * Delete all namespace objects owned by this table. Note that these + * objects can appear anywhere in the namespace by virtue of the AML + * "Scope" operator. Thus, we need to track ownership by an ID, not + * simply a position within the hierarchy + */ + acpi_tb_delete_namespace_by_owner(i); + acpi_tb_release_owner_id(i); + acpi_tb_set_table_loaded_flag(i, FALSE); + } + return_ACPI_STATUS(status); } ACPI_EXPORT_SYMBOL(acpi_unload_table_id) -#ifdef ACPI_FUTURE_USAGE /******************************************************************************* * - * FUNCTION: acpi_unload_table + * FUNCTION: acpi_get_table * - * PARAMETERS: table_type - Type of table to be unloaded + * PARAMETERS: Signature - ACPI signature of needed table + * Instance - Which instance (for SSDTs) + * out_table - Where the pointer to the table is returned * - * RETURN: Status + * RETURN: Status and pointer to table * - * DESCRIPTION: This routine is used to force the unload of a table + * DESCRIPTION: Finds and verifies an ACPI table. * - ******************************************************************************/ -acpi_status acpi_unload_table(acpi_table_type table_type) + *****************************************************************************/ +acpi_status +acpi_get_table(char *signature, + acpi_native_uint instance, struct acpi_table_header ** out_table) { - struct acpi_table_desc *table_desc; - - ACPI_FUNCTION_TRACE(acpi_unload_table); + acpi_native_uint i; + acpi_native_uint j; + acpi_status status; /* Parameter validation */ - if (table_type > ACPI_TABLE_ID_MAX) { - return_ACPI_STATUS(AE_BAD_PARAMETER); + if (!signature || !out_table) { + return (AE_BAD_PARAMETER); } - /* Find all tables of the requested type */ + /* + * Walk the root table list + */ + for (i = 0, j = 0; i < acpi_gbl_root_table_list.count; i++) { + if (!ACPI_COMPARE_NAME + (&(acpi_gbl_root_table_list.tables[i].signature), + signature)) { + continue; + } - table_desc = acpi_gbl_table_lists[table_type].next; - if (!table_desc) { - return_ACPI_STATUS(AE_NOT_EXIST); - } + if (++j < instance) { + continue; + } - while (table_desc) { - /* - * Delete all namespace objects owned by this table. Note that these - * objects can appear anywhere in the namespace by virtue of the AML - * "Scope" operator. Thus, we need to track ownership by an ID, not - * simply a position within the hierarchy - */ - acpi_ns_delete_namespace_by_owner(table_desc->owner_id); - table_desc = table_desc->next; - } + status = + acpi_tb_verify_table(&acpi_gbl_root_table_list.tables[i]); + if (ACPI_SUCCESS(status)) { + *out_table = acpi_gbl_root_table_list.tables[i].pointer; + } - /* Delete (or unmap) all tables of this type */ + if (!acpi_gbl_permanent_mmap) { + acpi_gbl_root_table_list.tables[i].pointer = 0; + } - acpi_tb_delete_tables_by_type(table_type); - return_ACPI_STATUS(AE_OK); + return (status); + } + + return (AE_NOT_FOUND); } -ACPI_EXPORT_SYMBOL(acpi_unload_table) +ACPI_EXPORT_SYMBOL(acpi_get_table) /******************************************************************************* * - * FUNCTION: acpi_get_table_header + * FUNCTION: acpi_get_table_by_index * - * PARAMETERS: table_type - one of the defined table types - * Instance - the non zero instance of the table, allows - * support for multiple tables of the same type - * see acpi_gbl_acpi_table_flag - * out_table_header - pointer to the struct acpi_table_header if successful + * PARAMETERS: table_index - Table index + * Table - Where the pointer to the table is returned * - * DESCRIPTION: This function is called to get an ACPI table header. The caller - * supplies an pointer to a data area sufficient to contain an ACPI - * struct acpi_table_header structure. + * RETURN: Status and pointer to the table * - * The header contains a length field that can be used to determine - * the size of the buffer needed to contain the entire table. This - * function is not valid for the RSD PTR table since it does not - * have a standard header and is fixed length. + * DESCRIPTION: Obtain a table by an index into the global table list. * ******************************************************************************/ acpi_status -acpi_get_table_header(acpi_table_type table_type, - u32 instance, struct acpi_table_header *out_table_header) +acpi_get_table_by_index(acpi_native_uint table_index, + struct acpi_table_header ** table) { - struct acpi_table_header *tbl_ptr; acpi_status status; - ACPI_FUNCTION_TRACE(acpi_get_table_header); + ACPI_FUNCTION_TRACE(acpi_get_table_by_index); + + /* Parameter validation */ - if ((instance == 0) || - (table_type == ACPI_TABLE_ID_RSDP) || (!out_table_header)) { + if (!table) { return_ACPI_STATUS(AE_BAD_PARAMETER); } - /* Check the table type and instance */ + (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES); + + /* Validate index */ - if ((table_type > ACPI_TABLE_ID_MAX) || - (ACPI_IS_SINGLE_TABLE(acpi_gbl_table_data[table_type].flags) && - instance > 1)) { + if (table_index >= acpi_gbl_root_table_list.count) { + (void)acpi_ut_release_mutex(ACPI_MTX_TABLES); return_ACPI_STATUS(AE_BAD_PARAMETER); } - /* Get a pointer to the entire table */ + if (!acpi_gbl_root_table_list.tables[table_index].pointer) { - status = acpi_tb_get_table_ptr(table_type, instance, &tbl_ptr); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } + /* Table is not mapped, map it */ - /* The function will return a NULL pointer if the table is not loaded */ - - if (tbl_ptr == NULL) { - return_ACPI_STATUS(AE_NOT_EXIST); + status = + acpi_tb_verify_table(&acpi_gbl_root_table_list. + tables[table_index]); + if (ACPI_FAILURE(status)) { + (void)acpi_ut_release_mutex(ACPI_MTX_TABLES); + return_ACPI_STATUS(status); + } } - /* Copy the header to the caller's buffer */ - - ACPI_MEMCPY(ACPI_CAST_PTR(void, out_table_header), - ACPI_CAST_PTR(void, tbl_ptr), - sizeof(struct acpi_table_header)); - - return_ACPI_STATUS(status); + *table = acpi_gbl_root_table_list.tables[table_index].pointer; + (void)acpi_ut_release_mutex(ACPI_MTX_TABLES); + return_ACPI_STATUS(AE_OK); } -ACPI_EXPORT_SYMBOL(acpi_get_table_header) -#endif /* ACPI_FUTURE_USAGE */ +ACPI_EXPORT_SYMBOL(acpi_get_table_by_index) /******************************************************************************* * - * FUNCTION: acpi_get_table + * FUNCTION: acpi_tb_load_namespace * - * PARAMETERS: table_type - one of the defined table types - * Instance - the non zero instance of the table, allows - * support for multiple tables of the same type - * see acpi_gbl_acpi_table_flag - * ret_buffer - pointer to a structure containing a buffer to - * receive the table + * PARAMETERS: None * * RETURN: Status * - * DESCRIPTION: This function is called to get an ACPI table. The caller - * supplies an out_buffer large enough to contain the entire ACPI - * table. The caller should call the acpi_get_table_header function - * first to determine the buffer size needed. Upon completion - * the out_buffer->Length field will indicate the number of bytes - * copied into the out_buffer->buf_ptr buffer. This table will be - * a complete table including the header. + * DESCRIPTION: Load the namespace from the DSDT and all SSDTs/PSDTs found in + * the RSDT/XSDT. * ******************************************************************************/ -acpi_status -acpi_get_table(acpi_table_type table_type, - u32 instance, struct acpi_buffer *ret_buffer) +static acpi_status acpi_tb_load_namespace(void) { - struct acpi_table_header *tbl_ptr; acpi_status status; - acpi_size table_length; + struct acpi_table_header *table; + acpi_native_uint i; - ACPI_FUNCTION_TRACE(acpi_get_table); + ACPI_FUNCTION_TRACE(tb_load_namespace); - /* Parameter validation */ + (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES); - if (instance == 0) { - return_ACPI_STATUS(AE_BAD_PARAMETER); + /* + * Load the namespace. The DSDT is required, but any SSDT and PSDT tables + * are optional. + */ + if (!acpi_gbl_root_table_list.count || + !ACPI_COMPARE_NAME(& + (acpi_gbl_root_table_list. + tables[ACPI_TABLE_INDEX_DSDT].signature), + ACPI_SIG_DSDT) + || + ACPI_FAILURE(acpi_tb_verify_table + (&acpi_gbl_root_table_list. + tables[ACPI_TABLE_INDEX_DSDT]))) { + status = AE_NO_ACPI_TABLES; + goto unlock_and_exit; } - status = acpi_ut_validate_buffer(ret_buffer); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); + /* + * Find DSDT table + */ + status = + acpi_os_table_override(acpi_gbl_root_table_list. + tables[ACPI_TABLE_INDEX_DSDT].pointer, + &table); + if (ACPI_SUCCESS(status) && table) { + /* + * DSDT table has been found + */ + acpi_tb_delete_table(&acpi_gbl_root_table_list. + tables[ACPI_TABLE_INDEX_DSDT]); + acpi_gbl_root_table_list.tables[ACPI_TABLE_INDEX_DSDT].pointer = + table; + acpi_gbl_root_table_list.tables[ACPI_TABLE_INDEX_DSDT].length = + table->length; + acpi_gbl_root_table_list.tables[ACPI_TABLE_INDEX_DSDT].flags = + ACPI_TABLE_ORIGIN_UNKNOWN; + + ACPI_INFO((AE_INFO, "Table DSDT replaced by host OS")); + acpi_tb_print_table_header(0, table); } - /* Check the table type and instance */ + status = + acpi_tb_verify_table(&acpi_gbl_root_table_list. + tables[ACPI_TABLE_INDEX_DSDT]); + if (ACPI_FAILURE(status)) { - if ((table_type > ACPI_TABLE_ID_MAX) || - (ACPI_IS_SINGLE_TABLE(acpi_gbl_table_data[table_type].flags) && - instance > 1)) { - return_ACPI_STATUS(AE_BAD_PARAMETER); + /* A valid DSDT is required */ + + status = AE_NO_ACPI_TABLES; + goto unlock_and_exit; } - /* Get a pointer to the entire table */ + (void)acpi_ut_release_mutex(ACPI_MTX_TABLES); - status = acpi_tb_get_table_ptr(table_type, instance, &tbl_ptr); + /* + * Load and parse tables. + */ + status = acpi_ns_load_table(ACPI_TABLE_INDEX_DSDT, acpi_gbl_root_node); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } /* - * acpi_tb_get_table_ptr will return a NULL pointer if the - * table is not loaded. + * Load any SSDT or PSDT tables. Note: Loop leaves tables locked */ - if (tbl_ptr == NULL) { - return_ACPI_STATUS(AE_NOT_EXIST); + (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES); + for (i = 0; i < acpi_gbl_root_table_list.count; ++i) { + if ((!ACPI_COMPARE_NAME + (&(acpi_gbl_root_table_list.tables[i].signature), + ACPI_SIG_SSDT) + && + !ACPI_COMPARE_NAME(& + (acpi_gbl_root_table_list.tables[i]. + signature), ACPI_SIG_PSDT)) + || + ACPI_FAILURE(acpi_tb_verify_table + (&acpi_gbl_root_table_list.tables[i]))) { + continue; + } + + /* Ignore errors while loading tables, get as many as possible */ + + (void)acpi_ut_release_mutex(ACPI_MTX_TABLES); + (void)acpi_ns_load_table(i, acpi_gbl_root_node); + (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES); } - /* Get the table length */ + ACPI_DEBUG_PRINT((ACPI_DB_INIT, "ACPI Tables successfully acquired\n")); - if (table_type == ACPI_TABLE_ID_RSDP) { + unlock_and_exit: + (void)acpi_ut_release_mutex(ACPI_MTX_TABLES); + return_ACPI_STATUS(status); +} - /* RSD PTR is the only "table" without a header */ +/******************************************************************************* + * + * FUNCTION: acpi_load_tables + * + * PARAMETERS: None + * + * RETURN: Status + * + * DESCRIPTION: Load the ACPI tables from the RSDT/XSDT + * + ******************************************************************************/ - table_length = sizeof(struct rsdp_descriptor); - } else { - table_length = (acpi_size) tbl_ptr->length; - } +acpi_status acpi_load_tables(void) +{ + acpi_status status; - /* Validate/Allocate/Clear caller buffer */ + ACPI_FUNCTION_TRACE(acpi_load_tables); - status = acpi_ut_initialize_buffer(ret_buffer, table_length); + /* + * Load the namespace from the tables + */ + status = acpi_tb_load_namespace(); if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); + ACPI_EXCEPTION((AE_INFO, status, + "While loading namespace from ACPI tables")); } - /* Copy the table to the buffer */ - - ACPI_MEMCPY(ACPI_CAST_PTR(void, ret_buffer->pointer), - ACPI_CAST_PTR(void, tbl_ptr), table_length); - - return_ACPI_STATUS(AE_OK); + return_ACPI_STATUS(status); } -ACPI_EXPORT_SYMBOL(acpi_get_table) +ACPI_EXPORT_SYMBOL(acpi_load_tables) diff --git a/drivers/acpi/tables/tbxfroot.c b/drivers/acpi/tables/tbxfroot.c index da2648bbdbc..cf8fa514189 100644 --- a/drivers/acpi/tables/tbxfroot.c +++ b/drivers/acpi/tables/tbxfroot.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -48,16 +48,15 @@ ACPI_MODULE_NAME("tbxfroot") /* Local prototypes */ -static acpi_status -acpi_tb_find_rsdp(struct acpi_table_desc *table_info, u32 flags); - static u8 *acpi_tb_scan_memory_for_rsdp(u8 * start_address, u32 length); +static acpi_status acpi_tb_validate_rsdp(struct acpi_table_rsdp *rsdp); + /******************************************************************************* * * FUNCTION: acpi_tb_validate_rsdp * - * PARAMETERS: Rsdp - Pointer to unvalidated RSDP + * PARAMETERS: Rsdp - Pointer to unvalidated RSDP * * RETURN: Status * @@ -65,14 +64,18 @@ static u8 *acpi_tb_scan_memory_for_rsdp(u8 * start_address, u32 length); * ******************************************************************************/ -acpi_status acpi_tb_validate_rsdp(struct rsdp_descriptor *rsdp) +static acpi_status acpi_tb_validate_rsdp(struct acpi_table_rsdp *rsdp) { ACPI_FUNCTION_ENTRY(); /* - * The signature and checksum must both be correct + * The signature and checksum must both be correct + * + * Note: Sometimes there exists more than one RSDP in memory; the valid + * RSDP has a valid checksum, all others have an invalid checksum. */ - if (ACPI_STRNCMP((char *)rsdp, RSDP_SIG, sizeof(RSDP_SIG) - 1) != 0) { + if (ACPI_STRNCMP((char *)rsdp, ACPI_SIG_RSDP, sizeof(ACPI_SIG_RSDP) - 1) + != 0) { /* Nope, BAD Signature */ @@ -81,14 +84,14 @@ acpi_status acpi_tb_validate_rsdp(struct rsdp_descriptor *rsdp) /* Check the standard checksum */ - if (acpi_tb_sum_table(rsdp, ACPI_RSDP_CHECKSUM_LENGTH) != 0) { + if (acpi_tb_checksum((u8 *) rsdp, ACPI_RSDP_CHECKSUM_LENGTH) != 0) { return (AE_BAD_CHECKSUM); } /* Check extended checksum if table version >= 2 */ if ((rsdp->revision >= 2) && - (acpi_tb_sum_table(rsdp, ACPI_RSDP_XCHECKSUM_LENGTH) != 0)) { + (acpi_tb_checksum((u8 *) rsdp, ACPI_RSDP_XCHECKSUM_LENGTH) != 0)) { return (AE_BAD_CHECKSUM); } @@ -97,314 +100,123 @@ acpi_status acpi_tb_validate_rsdp(struct rsdp_descriptor *rsdp) /******************************************************************************* * - * FUNCTION: acpi_tb_find_table - * - * PARAMETERS: Signature - String with ACPI table signature - * oem_id - String with the table OEM ID - * oem_table_id - String with the OEM Table ID - * table_ptr - Where the table pointer is returned - * - * RETURN: Status + * FUNCTION: acpi_tb_find_rsdp * - * DESCRIPTION: Find an ACPI table (in the RSDT/XSDT) that matches the - * Signature, OEM ID and OEM Table ID. + * PARAMETERS: table_address - Where the table pointer is returned * - ******************************************************************************/ - -acpi_status -acpi_tb_find_table(char *signature, - char *oem_id, - char *oem_table_id, struct acpi_table_header ** table_ptr) -{ - acpi_status status; - struct acpi_table_header *table; - - ACPI_FUNCTION_TRACE(tb_find_table); - - /* Validate string lengths */ - - if ((ACPI_STRLEN(signature) > ACPI_NAME_SIZE) || - (ACPI_STRLEN(oem_id) > sizeof(table->oem_id)) || - (ACPI_STRLEN(oem_table_id) > sizeof(table->oem_table_id))) { - return_ACPI_STATUS(AE_AML_STRING_LIMIT); - } - - if (ACPI_COMPARE_NAME(signature, DSDT_SIG)) { - /* - * The DSDT pointer is contained in the FADT, not the RSDT. - * This code should suffice, because the only code that would perform - * a "find" on the DSDT is the data_table_region() AML opcode -- in - * which case, the DSDT is guaranteed to be already loaded. - * If this becomes insufficient, the FADT will have to be found first. - */ - if (!acpi_gbl_DSDT) { - return_ACPI_STATUS(AE_NO_ACPI_TABLES); - } - table = acpi_gbl_DSDT; - } else { - /* Find the table */ - - status = acpi_get_firmware_table(signature, 1, - ACPI_LOGICAL_ADDRESSING, - &table); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - } - - /* Check oem_id and oem_table_id */ - - if ((oem_id[0] && - ACPI_STRNCMP(oem_id, table->oem_id, - sizeof(table->oem_id))) || - (oem_table_id[0] && - ACPI_STRNCMP(oem_table_id, table->oem_table_id, - sizeof(table->oem_table_id)))) { - return_ACPI_STATUS(AE_AML_NAME_NOT_FOUND); - } - - ACPI_DEBUG_PRINT((ACPI_DB_TABLES, "Found table [%4.4s]\n", - table->signature)); - - *table_ptr = table; - return_ACPI_STATUS(AE_OK); -} - -/******************************************************************************* - * - * FUNCTION: acpi_get_firmware_table + * RETURN: Status, RSDP physical address * - * PARAMETERS: Signature - Any ACPI table signature - * Instance - the non zero instance of the table, allows - * support for multiple tables of the same type - * Flags - Physical/Virtual support - * table_pointer - Where a buffer containing the table is - * returned + * DESCRIPTION: Search lower 1_mbyte of memory for the root system descriptor + * pointer structure. If it is found, set *RSDP to point to it. * - * RETURN: Status + * NOTE1: The RSDP must be either in the first 1_k of the Extended + * BIOS Data Area or between E0000 and FFFFF (From ACPI Spec.) + * Only a 32-bit physical address is necessary. * - * DESCRIPTION: This function is called to get an ACPI table. A buffer is - * allocated for the table and returned in table_pointer. - * This table will be a complete table including the header. + * NOTE2: This function is always available, regardless of the + * initialization state of the rest of ACPI. * ******************************************************************************/ -acpi_status -acpi_get_firmware_table(acpi_string signature, - u32 instance, - u32 flags, struct acpi_table_header **table_pointer) +acpi_status acpi_find_root_pointer(acpi_native_uint * table_address) { - acpi_status status; - struct acpi_pointer address; - struct acpi_table_header *header = NULL; - struct acpi_table_desc *table_info = NULL; - struct acpi_table_desc *rsdt_info; - u32 table_count; - u32 i; - u32 j; - - ACPI_FUNCTION_TRACE(acpi_get_firmware_table); - - /* - * Ensure that at least the table manager is initialized. We don't - * require that the entire ACPI subsystem is up for this interface. - * If we have a buffer, we must have a length too - */ - if ((instance == 0) || (!signature) || (!table_pointer)) { - return_ACPI_STATUS(AE_BAD_PARAMETER); - } - - /* Ensure that we have a RSDP */ - - if (!acpi_gbl_RSDP) { - - /* Get the RSDP */ - - status = acpi_os_get_root_pointer(flags, &address); - if (ACPI_FAILURE(status)) { - ACPI_DEBUG_PRINT((ACPI_DB_INFO, "RSDP not found\n")); - return_ACPI_STATUS(AE_NO_ACPI_TABLES); - } - - /* Map and validate the RSDP */ - - if ((flags & ACPI_MEMORY_MODE) == ACPI_LOGICAL_ADDRESSING) { - status = acpi_os_map_memory(address.pointer.physical, - sizeof(struct - rsdp_descriptor), - (void *)&acpi_gbl_RSDP); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - } else { - acpi_gbl_RSDP = address.pointer.logical; - } - - /* The RDSP signature and checksum must both be correct */ - - status = acpi_tb_validate_rsdp(acpi_gbl_RSDP); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - } - - /* Get the RSDT address via the RSDP */ - - acpi_tb_get_rsdt_address(&address); - ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "RSDP located at %p, RSDT physical=%8.8X%8.8X\n", - acpi_gbl_RSDP, - ACPI_FORMAT_UINT64(address.pointer.value))); + u8 *table_ptr; + u8 *mem_rover; + u32 physical_address; - /* Insert processor_mode flags */ + ACPI_FUNCTION_TRACE(acpi_find_root_pointer); - address.pointer_type |= flags; + /* 1a) Get the location of the Extended BIOS Data Area (EBDA) */ - /* Get and validate the RSDT */ + table_ptr = acpi_os_map_memory((acpi_physical_address) + ACPI_EBDA_PTR_LOCATION, + ACPI_EBDA_PTR_LENGTH); + if (!table_ptr) { + ACPI_ERROR((AE_INFO, + "Could not map memory at %8.8X for length %X", + ACPI_EBDA_PTR_LOCATION, ACPI_EBDA_PTR_LENGTH)); - rsdt_info = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_table_desc)); - if (!rsdt_info) { return_ACPI_STATUS(AE_NO_MEMORY); } - status = acpi_tb_get_table(&address, rsdt_info); - if (ACPI_FAILURE(status)) { - goto cleanup; - } - - status = acpi_tb_validate_rsdt(rsdt_info->pointer); - if (ACPI_FAILURE(status)) { - goto cleanup; - } + ACPI_MOVE_16_TO_32(&physical_address, table_ptr); - /* Allocate a scratch table header and table descriptor */ + /* Convert segment part to physical address */ - header = ACPI_ALLOCATE(sizeof(struct acpi_table_header)); - if (!header) { - status = AE_NO_MEMORY; - goto cleanup; - } + physical_address <<= 4; + acpi_os_unmap_memory(table_ptr, ACPI_EBDA_PTR_LENGTH); - table_info = ACPI_ALLOCATE(sizeof(struct acpi_table_desc)); - if (!table_info) { - status = AE_NO_MEMORY; - goto cleanup; - } + /* EBDA present? */ - /* Get the number of table pointers within the RSDT */ - - table_count = - acpi_tb_get_table_count(acpi_gbl_RSDP, rsdt_info->pointer); - address.pointer_type = acpi_gbl_table_flags | flags; - - /* - * Search the RSDT/XSDT for the correct instance of the - * requested table - */ - for (i = 0, j = 0; i < table_count; i++) { + if (physical_address > 0x400) { /* - * Get the next table pointer, handle RSDT vs. XSDT - * RSDT pointers are 32 bits, XSDT pointers are 64 bits + * 1b) Search EBDA paragraphs (EBDA is required to be a + * minimum of 1_k length) */ - if (acpi_gbl_root_table_type == ACPI_TABLE_TYPE_RSDT) { - address.pointer.value = - (ACPI_CAST_PTR - (struct rsdt_descriptor, - rsdt_info->pointer))->table_offset_entry[i]; - } else { - address.pointer.value = - (ACPI_CAST_PTR - (struct xsdt_descriptor, - rsdt_info->pointer))->table_offset_entry[i]; - } - - /* Get the table header */ + table_ptr = acpi_os_map_memory((acpi_native_uint) + physical_address, + ACPI_EBDA_WINDOW_SIZE); + if (!table_ptr) { + ACPI_ERROR((AE_INFO, + "Could not map memory at %8.8X for length %X", + physical_address, ACPI_EBDA_WINDOW_SIZE)); - status = acpi_tb_get_table_header(&address, header); - if (ACPI_FAILURE(status)) { - goto cleanup; + return_ACPI_STATUS(AE_NO_MEMORY); } - /* Compare table signatures and table instance */ - - if (ACPI_COMPARE_NAME(header->signature, signature)) { - - /* An instance of the table was found */ + mem_rover = + acpi_tb_scan_memory_for_rsdp(table_ptr, + ACPI_EBDA_WINDOW_SIZE); + acpi_os_unmap_memory(table_ptr, ACPI_EBDA_WINDOW_SIZE); - j++; - if (j >= instance) { + if (mem_rover) { - /* Found the correct instance, get the entire table */ + /* Return the physical address */ - status = - acpi_tb_get_table_body(&address, header, - table_info); - if (ACPI_FAILURE(status)) { - goto cleanup; - } + physical_address += + (u32) ACPI_PTR_DIFF(mem_rover, table_ptr); - *table_pointer = table_info->pointer; - goto cleanup; - } + *table_address = physical_address; + return_ACPI_STATUS(AE_OK); } } - /* Did not find the table */ + /* + * 2) Search upper memory: 16-byte boundaries in E0000h-FFFFFh + */ + table_ptr = acpi_os_map_memory((acpi_physical_address) + ACPI_HI_RSDP_WINDOW_BASE, + ACPI_HI_RSDP_WINDOW_SIZE); - status = AE_NOT_EXIST; + if (!table_ptr) { + ACPI_ERROR((AE_INFO, + "Could not map memory at %8.8X for length %X", + ACPI_HI_RSDP_WINDOW_BASE, + ACPI_HI_RSDP_WINDOW_SIZE)); - cleanup: - if (rsdt_info->pointer) { - acpi_os_unmap_memory(rsdt_info->pointer, - (acpi_size) rsdt_info->pointer->length); + return_ACPI_STATUS(AE_NO_MEMORY); } - ACPI_FREE(rsdt_info); - if (header) { - ACPI_FREE(header); - } - if (table_info) { - ACPI_FREE(table_info); - } - return_ACPI_STATUS(status); -} + mem_rover = + acpi_tb_scan_memory_for_rsdp(table_ptr, ACPI_HI_RSDP_WINDOW_SIZE); + acpi_os_unmap_memory(table_ptr, ACPI_HI_RSDP_WINDOW_SIZE); -ACPI_EXPORT_SYMBOL(acpi_get_firmware_table) + if (mem_rover) { -/* TBD: Move to a new file */ -#if ACPI_MACHINE_WIDTH != 16 -/******************************************************************************* - * - * FUNCTION: acpi_find_root_pointer - * - * PARAMETERS: Flags - Logical/Physical addressing - * rsdp_address - Where to place the RSDP address - * - * RETURN: Status, Physical address of the RSDP - * - * DESCRIPTION: Find the RSDP - * - ******************************************************************************/ -acpi_status acpi_find_root_pointer(u32 flags, struct acpi_pointer *rsdp_address) -{ - struct acpi_table_desc table_info; - acpi_status status; - - ACPI_FUNCTION_TRACE(acpi_find_root_pointer); - - /* Get the RSDP */ + /* Return the physical address */ - status = acpi_tb_find_rsdp(&table_info, flags); - if (ACPI_FAILURE(status)) { - ACPI_EXCEPTION((AE_INFO, status, - "RSDP structure not found - Flags=%X", flags)); + physical_address = (u32) + (ACPI_HI_RSDP_WINDOW_BASE + + ACPI_PTR_DIFF(mem_rover, table_ptr)); - return_ACPI_STATUS(AE_NO_ACPI_TABLES); + *table_address = physical_address; + return_ACPI_STATUS(AE_OK); } - rsdp_address->pointer_type = ACPI_PHYSICAL_POINTER; - rsdp_address->pointer.physical = table_info.physical_address; - return_ACPI_STATUS(AE_OK); + /* A valid RSDP was not found */ + + ACPI_ERROR((AE_INFO, "A valid RSDP was not found")); + return_ACPI_STATUS(AE_NOT_FOUND); } ACPI_EXPORT_SYMBOL(acpi_find_root_pointer) @@ -440,7 +252,7 @@ static u8 *acpi_tb_scan_memory_for_rsdp(u8 * start_address, u32 length) status = acpi_tb_validate_rsdp(ACPI_CAST_PTR - (struct rsdp_descriptor, mem_rover)); + (struct acpi_table_rsdp, mem_rover)); if (ACPI_SUCCESS(status)) { /* Sig and checksum valid, we have found a real RSDP */ @@ -461,189 +273,3 @@ static u8 *acpi_tb_scan_memory_for_rsdp(u8 * start_address, u32 length) start_address)); return_PTR(NULL); } - -/******************************************************************************* - * - * FUNCTION: acpi_tb_find_rsdp - * - * PARAMETERS: table_info - Where the table info is returned - * Flags - Current memory mode (logical vs. - * physical addressing) - * - * RETURN: Status, RSDP physical address - * - * DESCRIPTION: Search lower 1_mbyte of memory for the root system descriptor - * pointer structure. If it is found, set *RSDP to point to it. - * - * NOTE1: The RSDP must be either in the first 1_k of the Extended - * BIOS Data Area or between E0000 and FFFFF (From ACPI Spec.) - * Only a 32-bit physical address is necessary. - * - * NOTE2: This function is always available, regardless of the - * initialization state of the rest of ACPI. - * - ******************************************************************************/ - -static acpi_status -acpi_tb_find_rsdp(struct acpi_table_desc *table_info, u32 flags) -{ - u8 *table_ptr; - u8 *mem_rover; - u32 physical_address; - acpi_status status; - - ACPI_FUNCTION_TRACE(tb_find_rsdp); - - /* - * Scan supports either logical addressing or physical addressing - */ - if ((flags & ACPI_MEMORY_MODE) == ACPI_LOGICAL_ADDRESSING) { - - /* 1a) Get the location of the Extended BIOS Data Area (EBDA) */ - - status = acpi_os_map_memory((acpi_physical_address) - ACPI_EBDA_PTR_LOCATION, - ACPI_EBDA_PTR_LENGTH, - (void *)&table_ptr); - if (ACPI_FAILURE(status)) { - ACPI_ERROR((AE_INFO, - "Could not map memory at %8.8X for length %X", - ACPI_EBDA_PTR_LOCATION, - ACPI_EBDA_PTR_LENGTH)); - - return_ACPI_STATUS(status); - } - - ACPI_MOVE_16_TO_32(&physical_address, table_ptr); - - /* Convert segment part to physical address */ - - physical_address <<= 4; - acpi_os_unmap_memory(table_ptr, ACPI_EBDA_PTR_LENGTH); - - /* EBDA present? */ - - if (physical_address > 0x400) { - /* - * 1b) Search EBDA paragraphs (EBDA is required to be a - * minimum of 1_k length) - */ - status = acpi_os_map_memory((acpi_physical_address) - physical_address, - ACPI_EBDA_WINDOW_SIZE, - (void *)&table_ptr); - if (ACPI_FAILURE(status)) { - ACPI_ERROR((AE_INFO, - "Could not map memory at %8.8X for length %X", - physical_address, - ACPI_EBDA_WINDOW_SIZE)); - - return_ACPI_STATUS(status); - } - - mem_rover = acpi_tb_scan_memory_for_rsdp(table_ptr, - ACPI_EBDA_WINDOW_SIZE); - acpi_os_unmap_memory(table_ptr, ACPI_EBDA_WINDOW_SIZE); - - if (mem_rover) { - - /* Return the physical address */ - - physical_address += - (u32) ACPI_PTR_DIFF(mem_rover, table_ptr); - - table_info->physical_address = - (acpi_physical_address) physical_address; - return_ACPI_STATUS(AE_OK); - } - } - - /* - * 2) Search upper memory: 16-byte boundaries in E0000h-FFFFFh - */ - status = acpi_os_map_memory((acpi_physical_address) - ACPI_HI_RSDP_WINDOW_BASE, - ACPI_HI_RSDP_WINDOW_SIZE, - (void *)&table_ptr); - - if (ACPI_FAILURE(status)) { - ACPI_ERROR((AE_INFO, - "Could not map memory at %8.8X for length %X", - ACPI_HI_RSDP_WINDOW_BASE, - ACPI_HI_RSDP_WINDOW_SIZE)); - - return_ACPI_STATUS(status); - } - - mem_rover = - acpi_tb_scan_memory_for_rsdp(table_ptr, - ACPI_HI_RSDP_WINDOW_SIZE); - acpi_os_unmap_memory(table_ptr, ACPI_HI_RSDP_WINDOW_SIZE); - - if (mem_rover) { - - /* Return the physical address */ - - physical_address = (u32) - (ACPI_HI_RSDP_WINDOW_BASE + - ACPI_PTR_DIFF(mem_rover, table_ptr)); - - table_info->physical_address = - (acpi_physical_address) physical_address; - return_ACPI_STATUS(AE_OK); - } - } - - /* - * Physical addressing - */ - else { - /* 1a) Get the location of the EBDA */ - - ACPI_MOVE_16_TO_32(&physical_address, ACPI_EBDA_PTR_LOCATION); - physical_address <<= 4; /* Convert segment to physical address */ - - /* EBDA present? */ - - if (physical_address > 0x400) { - /* - * 1b) Search EBDA paragraphs (EBDA is required to be a minimum of - * 1_k length) - */ - mem_rover = - acpi_tb_scan_memory_for_rsdp(ACPI_PHYSADDR_TO_PTR - (physical_address), - ACPI_EBDA_WINDOW_SIZE); - if (mem_rover) { - - /* Return the physical address */ - - table_info->physical_address = - ACPI_TO_INTEGER(mem_rover); - return_ACPI_STATUS(AE_OK); - } - } - - /* 2) Search upper memory: 16-byte boundaries in E0000h-FFFFFh */ - - mem_rover = - acpi_tb_scan_memory_for_rsdp(ACPI_PHYSADDR_TO_PTR - (ACPI_HI_RSDP_WINDOW_BASE), - ACPI_HI_RSDP_WINDOW_SIZE); - if (mem_rover) { - - /* Found it, return the physical address */ - - table_info->physical_address = - ACPI_TO_INTEGER(mem_rover); - return_ACPI_STATUS(AE_OK); - } - } - - /* A valid RSDP was not found */ - - ACPI_ERROR((AE_INFO, "No valid RSDP was found")); - return_ACPI_STATUS(AE_NOT_FOUND); -} - -#endif diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c index 40ddb4dd963..f76d3168c2b 100644 --- a/drivers/acpi/thermal.c +++ b/drivers/acpi/thermal.c @@ -82,7 +82,7 @@ MODULE_PARM_DESC(tzp, "Thermal zone polling frequency, in 1/10 seconds.\n"); static int acpi_thermal_add(struct acpi_device *device); static int acpi_thermal_remove(struct acpi_device *device, int type); -static int acpi_thermal_resume(struct acpi_device *device, int state); +static int acpi_thermal_resume(struct acpi_device *device); static int acpi_thermal_state_open_fs(struct inode *inode, struct file *file); static int acpi_thermal_temp_open_fs(struct inode *inode, struct file *file); static int acpi_thermal_trip_open_fs(struct inode *inode, struct file *file); @@ -1353,7 +1353,7 @@ static int acpi_thermal_remove(struct acpi_device *device, int type) return 0; } -static int acpi_thermal_resume(struct acpi_device *device, int state) +static int acpi_thermal_resume(struct acpi_device *device) { struct acpi_thermal *tz = NULL; int i; diff --git a/drivers/acpi/utilities/utalloc.c b/drivers/acpi/utilities/utalloc.c index f6cbc0b1bfd..55a76480749 100644 --- a/drivers/acpi/utilities/utalloc.c +++ b/drivers/acpi/utilities/utalloc.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -42,6 +42,7 @@ */ #include <acpi/acpi.h> +#include <acpi/acdebug.h> #define _COMPONENT ACPI_UTILITIES ACPI_MODULE_NAME("utalloc") @@ -142,6 +143,14 @@ acpi_status acpi_ut_create_caches(void) acpi_status acpi_ut_delete_caches(void) { +#ifdef ACPI_DBG_TRACK_ALLOCATIONS + char buffer[7]; + + if (acpi_gbl_display_final_mem_stats) { + ACPI_STRCPY(buffer, "MEMORY"); + acpi_db_display_statistics(buffer); + } +#endif (void)acpi_os_delete_cache(acpi_gbl_namespace_cache); acpi_gbl_namespace_cache = NULL; diff --git a/drivers/acpi/utilities/utcache.c b/drivers/acpi/utilities/utcache.c index 1a1f8109159..870f6edeb5f 100644 --- a/drivers/acpi/utilities/utcache.c +++ b/drivers/acpi/utilities/utcache.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -289,6 +289,14 @@ void *acpi_os_acquire_object(struct acpi_memory_list *cache) ACPI_MEM_TRACKING(cache->total_allocated++); +#ifdef ACPI_DBG_TRACK_ALLOCATIONS + if ((cache->total_allocated - cache->total_freed) > + cache->max_occupied) { + cache->max_occupied = + cache->total_allocated - cache->total_freed; + } +#endif + /* Avoid deadlock with ACPI_ALLOCATE_ZEROED */ status = acpi_ut_release_mutex(ACPI_MTX_CACHES); diff --git a/drivers/acpi/utilities/utcopy.c b/drivers/acpi/utilities/utcopy.c index 5e1a80d1bc3..84d529db0a6 100644 --- a/drivers/acpi/utilities/utcopy.c +++ b/drivers/acpi/utilities/utcopy.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -719,6 +719,15 @@ acpi_ut_copy_simple_object(union acpi_operand_object *source_desc, acpi_ut_add_reference(source_desc->reference.object); break; + case ACPI_TYPE_REGION: + /* + * We copied the Region Handler, so we now must add a reference + */ + if (dest_desc->region.handler) { + acpi_ut_add_reference(dest_desc->region.handler); + } + break; + default: /* Nothing to do for other simple objects */ break; diff --git a/drivers/acpi/utilities/utdebug.c b/drivers/acpi/utilities/utdebug.c index 9e9054e155c..61ad4f2daee 100644 --- a/drivers/acpi/utilities/utdebug.c +++ b/drivers/acpi/utilities/utdebug.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -181,8 +181,7 @@ acpi_ut_debug_print(u32 requested_debug_level, if (ACPI_LV_THREADS & acpi_dbg_level) { acpi_os_printf ("\n**** Context Switch from TID %lX to TID %lX ****\n\n", - (unsigned long) acpi_gbl_prev_thread_id, - (unsigned long) thread_id); + (unsigned long)acpi_gbl_prev_thread_id, (unsigned long)thread_id); } acpi_gbl_prev_thread_id = thread_id; @@ -195,7 +194,7 @@ acpi_ut_debug_print(u32 requested_debug_level, acpi_os_printf("%8s-%04ld ", module_name, line_number); if (ACPI_LV_THREADS & acpi_dbg_level) { - acpi_os_printf("[%04lX] ", thread_id); + acpi_os_printf("[%04lX] ", (unsigned long)thread_id); } acpi_os_printf("[%02ld] %-22.22s: ", diff --git a/drivers/acpi/utilities/utdelete.c b/drivers/acpi/utilities/utdelete.c index 9d3f1149ba2..f777cebdc46 100644 --- a/drivers/acpi/utilities/utdelete.c +++ b/drivers/acpi/utilities/utdelete.c @@ -5,7 +5,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -158,16 +158,20 @@ static void acpi_ut_delete_internal_obj(union acpi_operand_object *object) "***** Mutex %p, OS Mutex %p\n", object, object->mutex.os_mutex)); - if (object->mutex.os_mutex != ACPI_GLOBAL_LOCK) { - acpi_ex_unlink_mutex(object); - acpi_os_delete_mutex(object->mutex.os_mutex); - } else { - /* Global Lock "mutex" is actually a counting semaphore */ + if (object->mutex.os_mutex == acpi_gbl_global_lock_mutex) { + + /* Global Lock has extra semaphore */ (void) acpi_os_delete_semaphore (acpi_gbl_global_lock_semaphore); acpi_gbl_global_lock_semaphore = NULL; + + acpi_os_delete_mutex(object->mutex.os_mutex); + acpi_gbl_global_lock_mutex = NULL; + } else { + acpi_ex_unlink_mutex(object); + acpi_os_delete_mutex(object->mutex.os_mutex); } break; diff --git a/drivers/acpi/utilities/uteval.c b/drivers/acpi/utilities/uteval.c index d6d7121583c..13d5879cd98 100644 --- a/drivers/acpi/utilities/uteval.c +++ b/drivers/acpi/utilities/uteval.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/utilities/utglobal.c b/drivers/acpi/utilities/utglobal.c index 014030af8b5..af33358a964 100644 --- a/drivers/acpi/utilities/utglobal.c +++ b/drivers/acpi/utilities/utglobal.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -46,89 +46,9 @@ #include <acpi/acpi.h> #include <acpi/acnamesp.h> +ACPI_EXPORT_SYMBOL(acpi_gbl_FADT) #define _COMPONENT ACPI_UTILITIES -ACPI_MODULE_NAME("utglobal") - -/******************************************************************************* - * - * FUNCTION: acpi_format_exception - * - * PARAMETERS: Status - The acpi_status code to be formatted - * - * RETURN: A string containing the exception text. A valid pointer is - * always returned. - * - * DESCRIPTION: This function translates an ACPI exception into an ASCII string. - * - ******************************************************************************/ -const char *acpi_format_exception(acpi_status status) -{ - acpi_status sub_status; - const char *exception = NULL; - - ACPI_FUNCTION_ENTRY(); - - /* - * Status is composed of two parts, a "type" and an actual code - */ - sub_status = (status & ~AE_CODE_MASK); - - switch (status & AE_CODE_MASK) { - case AE_CODE_ENVIRONMENTAL: - - if (sub_status <= AE_CODE_ENV_MAX) { - exception = acpi_gbl_exception_names_env[sub_status]; - } - break; - - case AE_CODE_PROGRAMMER: - - if (sub_status <= AE_CODE_PGM_MAX) { - exception = - acpi_gbl_exception_names_pgm[sub_status - 1]; - } - break; - - case AE_CODE_ACPI_TABLES: - - if (sub_status <= AE_CODE_TBL_MAX) { - exception = - acpi_gbl_exception_names_tbl[sub_status - 1]; - } - break; - - case AE_CODE_AML: - - if (sub_status <= AE_CODE_AML_MAX) { - exception = - acpi_gbl_exception_names_aml[sub_status - 1]; - } - break; - - case AE_CODE_CONTROL: - - if (sub_status <= AE_CODE_CTRL_MAX) { - exception = - acpi_gbl_exception_names_ctrl[sub_status - 1]; - } - break; - - default: - break; - } - - if (!exception) { - - /* Exception code was not recognized */ - - ACPI_ERROR((AE_INFO, - "Unknown exception code: 0x%8.8X", status)); - - exception = "UNKNOWN_STATUS_CODE"; - } - - return (ACPI_CAST_PTR(const char, exception)); -} + ACPI_MODULE_NAME("utglobal") /******************************************************************************* * @@ -163,8 +83,6 @@ u32 acpi_gbl_startup_flags = 0; u8 acpi_gbl_shutdown = TRUE; -const u8 acpi_gbl_decode_to8bit[8] = { 1, 2, 4, 8, 16, 32, 64, 128 }; - const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT] = { "\\_S0_", "\\_S1_", @@ -183,10 +101,45 @@ const char *acpi_gbl_highest_dstate_names[4] = { /******************************************************************************* * - * Namespace globals + * FUNCTION: acpi_format_exception + * + * PARAMETERS: Status - The acpi_status code to be formatted + * + * RETURN: A string containing the exception text. A valid pointer is + * always returned. + * + * DESCRIPTION: This function translates an ACPI exception into an ASCII string + * It is here instead of utxface.c so it is always present. * ******************************************************************************/ +const char *acpi_format_exception(acpi_status status) +{ + const char *exception = NULL; + + ACPI_FUNCTION_ENTRY(); + + exception = acpi_ut_validate_exception(status); + if (!exception) { + + /* Exception code was not recognized */ + + ACPI_ERROR((AE_INFO, + "Unknown exception code: 0x%8.8X", status)); + + exception = "UNKNOWN_STATUS_CODE"; + } + + return (ACPI_CAST_PTR(const char, exception)); +} + +ACPI_EXPORT_SYMBOL(acpi_format_exception) + +/******************************************************************************* + * + * Namespace globals + * + ******************************************************************************/ /* * Predefined ACPI Names (Built-in to the Interpreter) * @@ -280,53 +233,6 @@ char acpi_ut_hex_to_ascii_char(acpi_integer integer, u32 position) return (acpi_gbl_hex_to_ascii[(integer >> position) & 0xF]); } -/******************************************************************************* - * - * Table name globals - * - * NOTE: This table includes ONLY the ACPI tables that the subsystem consumes. - * it is NOT an exhaustive list of all possible ACPI tables. All ACPI tables - * that are not used by the subsystem are simply ignored. - * - * Do NOT add any table to this list that is not consumed directly by this - * subsystem (No MADT, ECDT, SBST, etc.) - * - ******************************************************************************/ - -struct acpi_table_list acpi_gbl_table_lists[ACPI_TABLE_ID_MAX + 1]; - -struct acpi_table_support acpi_gbl_table_data[ACPI_TABLE_ID_MAX + 1] = { - /*********** Name, Signature, Global typed pointer Signature size, Type How many allowed?, Contains valid AML? */ - - /* RSDP 0 */ {RSDP_NAME, RSDP_SIG, NULL, sizeof(RSDP_SIG) - 1, - ACPI_TABLE_ROOT | ACPI_TABLE_SINGLE} - , - /* DSDT 1 */ {DSDT_SIG, DSDT_SIG, (void *)&acpi_gbl_DSDT, - sizeof(DSDT_SIG) - 1, - ACPI_TABLE_SECONDARY | ACPI_TABLE_SINGLE | - ACPI_TABLE_EXECUTABLE} - , - /* FADT 2 */ {FADT_SIG, FADT_SIG, (void *)&acpi_gbl_FADT, - sizeof(FADT_SIG) - 1, - ACPI_TABLE_PRIMARY | ACPI_TABLE_SINGLE} - , - /* FACS 3 */ {FACS_SIG, FACS_SIG, (void *)&acpi_gbl_FACS, - sizeof(FACS_SIG) - 1, - ACPI_TABLE_SECONDARY | ACPI_TABLE_SINGLE} - , - /* PSDT 4 */ {PSDT_SIG, PSDT_SIG, NULL, sizeof(PSDT_SIG) - 1, - ACPI_TABLE_PRIMARY | ACPI_TABLE_MULTIPLE | - ACPI_TABLE_EXECUTABLE} - , - /* SSDT 5 */ {SSDT_SIG, SSDT_SIG, NULL, sizeof(SSDT_SIG) - 1, - ACPI_TABLE_PRIMARY | ACPI_TABLE_MULTIPLE | - ACPI_TABLE_EXECUTABLE} - , - /* XSDT 6 */ {XSDT_SIG, XSDT_SIG, NULL, sizeof(RSDT_SIG) - 1, - ACPI_TABLE_ROOT | ACPI_TABLE_SINGLE} - , -}; - /****************************************************************************** * * Event and Hardware globals @@ -612,7 +518,7 @@ char *acpi_ut_get_node_name(void *object) /* Name must be a valid ACPI name */ if (!acpi_ut_valid_acpi_name(node->name.integer)) { - node->name.integer = acpi_ut_repair_name(node->name.integer); + node->name.integer = acpi_ut_repair_name(node->name.ascii); } /* Return the name */ @@ -751,13 +657,6 @@ void acpi_ut_init_globals(void) return; } - /* ACPI table structure */ - - for (i = 0; i < (ACPI_TABLE_ID_MAX + 1); i++) { - acpi_gbl_table_lists[i].next = NULL; - acpi_gbl_table_lists[i].count = 0; - } - /* Mutex locked flags */ for (i = 0; i < ACPI_NUM_MUTEX; i++) { @@ -773,6 +672,7 @@ void acpi_ut_init_globals(void) /* GPE support */ + acpi_gpe_count = 0; acpi_gbl_gpe_xrupt_list_head = NULL; acpi_gbl_gpe_fadt_blocks[0] = NULL; acpi_gbl_gpe_fadt_blocks[1] = NULL; @@ -784,25 +684,15 @@ void acpi_ut_init_globals(void) acpi_gbl_exception_handler = NULL; acpi_gbl_init_handler = NULL; - /* Global "typed" ACPI table pointers */ - - acpi_gbl_RSDP = NULL; - acpi_gbl_XSDT = NULL; - acpi_gbl_FACS = NULL; - acpi_gbl_FADT = NULL; - acpi_gbl_DSDT = NULL; - /* Global Lock support */ acpi_gbl_global_lock_semaphore = NULL; + acpi_gbl_global_lock_mutex = NULL; acpi_gbl_global_lock_acquired = FALSE; - acpi_gbl_global_lock_thread_count = 0; acpi_gbl_global_lock_handle = 0; /* Miscellaneous variables */ - acpi_gbl_table_flags = ACPI_PHYSICAL_POINTER; - acpi_gbl_rsdp_original_location = 0; acpi_gbl_cm_single_step = FALSE; acpi_gbl_db_terminate_threads = FALSE; acpi_gbl_shutdown = FALSE; @@ -837,8 +727,13 @@ void acpi_ut_init_globals(void) acpi_gbl_lowest_stack_pointer = ACPI_SIZE_MAX; #endif +#ifdef ACPI_DBG_TRACK_ALLOCATIONS + acpi_gbl_display_final_mem_stats = FALSE; +#endif + return_VOID; } ACPI_EXPORT_SYMBOL(acpi_dbg_level) ACPI_EXPORT_SYMBOL(acpi_dbg_layer) +ACPI_EXPORT_SYMBOL(acpi_gpe_count) diff --git a/drivers/acpi/utilities/utinit.c b/drivers/acpi/utilities/utinit.c index ff76055eb7d..ad3c0d0a5cf 100644 --- a/drivers/acpi/utilities/utinit.c +++ b/drivers/acpi/utilities/utinit.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -44,119 +44,14 @@ #include <acpi/acpi.h> #include <acpi/acnamesp.h> #include <acpi/acevents.h> +#include <acpi/actables.h> #define _COMPONENT ACPI_UTILITIES ACPI_MODULE_NAME("utinit") /* Local prototypes */ -static void -acpi_ut_fadt_register_error(char *register_name, u32 value, u8 offset); - static void acpi_ut_terminate(void); -/******************************************************************************* - * - * FUNCTION: acpi_ut_fadt_register_error - * - * PARAMETERS: register_name - Pointer to string identifying register - * Value - Actual register contents value - * Offset - Byte offset in the FADT - * - * RETURN: AE_BAD_VALUE - * - * DESCRIPTION: Display failure message - * - ******************************************************************************/ - -static void -acpi_ut_fadt_register_error(char *register_name, u32 value, u8 offset) -{ - - ACPI_WARNING((AE_INFO, - "Invalid FADT value %s=%X at offset %X FADT=%p", - register_name, value, offset, acpi_gbl_FADT)); -} - -/****************************************************************************** - * - * FUNCTION: acpi_ut_validate_fadt - * - * PARAMETERS: None - * - * RETURN: Status - * - * DESCRIPTION: Validate various ACPI registers in the FADT - * - ******************************************************************************/ - -acpi_status acpi_ut_validate_fadt(void) -{ - - /* - * Verify Fixed ACPI Description Table fields, - * but don't abort on any problems, just display error - */ - if (acpi_gbl_FADT->pm1_evt_len < 4) { - acpi_ut_fadt_register_error("PM1_EVT_LEN", - (u32) acpi_gbl_FADT->pm1_evt_len, - ACPI_FADT_OFFSET(pm1_evt_len)); - } - - if (!acpi_gbl_FADT->pm1_cnt_len) { - acpi_ut_fadt_register_error("PM1_CNT_LEN", 0, - ACPI_FADT_OFFSET(pm1_cnt_len)); - } - - if (!acpi_gbl_FADT->xpm1a_evt_blk.address) { - acpi_ut_fadt_register_error("X_PM1a_EVT_BLK", 0, - ACPI_FADT_OFFSET(xpm1a_evt_blk. - address)); - } - - if (!acpi_gbl_FADT->xpm1a_cnt_blk.address) { - acpi_ut_fadt_register_error("X_PM1a_CNT_BLK", 0, - ACPI_FADT_OFFSET(xpm1a_cnt_blk. - address)); - } - - if (!acpi_gbl_FADT->xpm_tmr_blk.address) { - acpi_ut_fadt_register_error("X_PM_TMR_BLK", 0, - ACPI_FADT_OFFSET(xpm_tmr_blk. - address)); - } - - if ((acpi_gbl_FADT->xpm2_cnt_blk.address && - !acpi_gbl_FADT->pm2_cnt_len)) { - acpi_ut_fadt_register_error("PM2_CNT_LEN", - (u32) acpi_gbl_FADT->pm2_cnt_len, - ACPI_FADT_OFFSET(pm2_cnt_len)); - } - - if (acpi_gbl_FADT->pm_tm_len < 4) { - acpi_ut_fadt_register_error("PM_TM_LEN", - (u32) acpi_gbl_FADT->pm_tm_len, - ACPI_FADT_OFFSET(pm_tm_len)); - } - - /* Length of GPE blocks must be a multiple of 2 */ - - if (acpi_gbl_FADT->xgpe0_blk.address && - (acpi_gbl_FADT->gpe0_blk_len & 1)) { - acpi_ut_fadt_register_error("(x)GPE0_BLK_LEN", - (u32) acpi_gbl_FADT->gpe0_blk_len, - ACPI_FADT_OFFSET(gpe0_blk_len)); - } - - if (acpi_gbl_FADT->xgpe1_blk.address && - (acpi_gbl_FADT->gpe1_blk_len & 1)) { - acpi_ut_fadt_register_error("(x)GPE1_BLK_LEN", - (u32) acpi_gbl_FADT->gpe1_blk_len, - ACPI_FADT_OFFSET(gpe1_blk_len)); - } - - return (AE_OK); -} - /****************************************************************************** * * FUNCTION: acpi_ut_terminate @@ -178,7 +73,6 @@ static void acpi_ut_terminate(void) ACPI_FUNCTION_TRACE(ut_terminate); - /* Free global tables, etc. */ /* Free global GPE blocks and related info structures */ gpe_xrupt_info = acpi_gbl_gpe_xrupt_list_head; @@ -239,6 +133,10 @@ void acpi_ut_subsystem_shutdown(void) acpi_ns_terminate(); + /* Delete the ACPI tables */ + + acpi_tb_terminate(); + /* Close the globals */ acpi_ut_terminate(); diff --git a/drivers/acpi/utilities/utmath.c b/drivers/acpi/utilities/utmath.c index 19d74bedce2..0c56a0d20b2 100644 --- a/drivers/acpi/utilities/utmath.c +++ b/drivers/acpi/utilities/utmath.c @@ -5,7 +5,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/utilities/utmisc.c b/drivers/acpi/utilities/utmisc.c index 6d8a8211be9..50133fffe42 100644 --- a/drivers/acpi/utilities/utmisc.c +++ b/drivers/acpi/utilities/utmisc.c @@ -5,7 +5,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -51,6 +51,78 @@ ACPI_MODULE_NAME("utmisc") /******************************************************************************* * + * FUNCTION: acpi_ut_validate_exception + * + * PARAMETERS: Status - The acpi_status code to be formatted + * + * RETURN: A string containing the exception text. NULL if exception is + * not valid. + * + * DESCRIPTION: This function validates and translates an ACPI exception into + * an ASCII string. + * + ******************************************************************************/ +const char *acpi_ut_validate_exception(acpi_status status) +{ + acpi_status sub_status; + const char *exception = NULL; + + ACPI_FUNCTION_ENTRY(); + + /* + * Status is composed of two parts, a "type" and an actual code + */ + sub_status = (status & ~AE_CODE_MASK); + + switch (status & AE_CODE_MASK) { + case AE_CODE_ENVIRONMENTAL: + + if (sub_status <= AE_CODE_ENV_MAX) { + exception = acpi_gbl_exception_names_env[sub_status]; + } + break; + + case AE_CODE_PROGRAMMER: + + if (sub_status <= AE_CODE_PGM_MAX) { + exception = + acpi_gbl_exception_names_pgm[sub_status - 1]; + } + break; + + case AE_CODE_ACPI_TABLES: + + if (sub_status <= AE_CODE_TBL_MAX) { + exception = + acpi_gbl_exception_names_tbl[sub_status - 1]; + } + break; + + case AE_CODE_AML: + + if (sub_status <= AE_CODE_AML_MAX) { + exception = + acpi_gbl_exception_names_aml[sub_status - 1]; + } + break; + + case AE_CODE_CONTROL: + + if (sub_status <= AE_CODE_CTRL_MAX) { + exception = + acpi_gbl_exception_names_ctrl[sub_status - 1]; + } + break; + + default: + break; + } + + return (ACPI_CAST_PTR(const char, exception)); +} + +/******************************************************************************* + * * FUNCTION: acpi_ut_is_aml_table * * PARAMETERS: Table - An ACPI table @@ -62,14 +134,15 @@ ACPI_MODULE_NAME("utmisc") * data tables that do not contain AML code. * ******************************************************************************/ + u8 acpi_ut_is_aml_table(struct acpi_table_header *table) { /* These are the only tables that contain executable AML */ - if (ACPI_COMPARE_NAME(table->signature, DSDT_SIG) || - ACPI_COMPARE_NAME(table->signature, PSDT_SIG) || - ACPI_COMPARE_NAME(table->signature, SSDT_SIG)) { + if (ACPI_COMPARE_NAME(table->signature, ACPI_SIG_DSDT) || + ACPI_COMPARE_NAME(table->signature, ACPI_SIG_PSDT) || + ACPI_COMPARE_NAME(table->signature, ACPI_SIG_SSDT)) { return (TRUE); } @@ -418,7 +491,7 @@ u32 acpi_ut_dword_byte_swap(u32 value) void acpi_ut_set_integer_width(u8 revision) { - if (revision <= 1) { + if (revision < 2) { /* 32-bit case */ @@ -582,26 +655,25 @@ u8 acpi_ut_valid_acpi_name(u32 name) * ******************************************************************************/ -acpi_name acpi_ut_repair_name(acpi_name name) +acpi_name acpi_ut_repair_name(char *name) { - char *name_ptr = ACPI_CAST_PTR(char, &name); - char new_name[ACPI_NAME_SIZE]; acpi_native_uint i; + char new_name[ACPI_NAME_SIZE]; for (i = 0; i < ACPI_NAME_SIZE; i++) { - new_name[i] = name_ptr[i]; + new_name[i] = name[i]; /* * Replace a bad character with something printable, yet technically * still invalid. This prevents any collisions with existing "good" * names in the namespace. */ - if (!acpi_ut_valid_acpi_char(name_ptr[i], i)) { + if (!acpi_ut_valid_acpi_char(name[i], i)) { new_name[i] = '*'; } } - return (*ACPI_CAST_PTR(u32, new_name)); + return (*(u32 *) new_name); } /******************************************************************************* @@ -996,9 +1068,13 @@ acpi_ut_info(char *module_name, u32 line_number, char *format, ...) { va_list args; - acpi_os_printf("ACPI (%s-%04d): ", module_name, line_number); + /* + * Removed module_name, line_number, and acpica version, not needed + * for info output + */ + acpi_os_printf("ACPI: "); va_start(args, format); acpi_os_vprintf(format, args); - acpi_os_printf(" [%X]\n", ACPI_CA_VERSION); + acpi_os_printf("\n"); } diff --git a/drivers/acpi/utilities/utmutex.c b/drivers/acpi/utilities/utmutex.c index 180e73ceb6e..cbad2ef5987 100644 --- a/drivers/acpi/utilities/utmutex.c +++ b/drivers/acpi/utilities/utmutex.c @@ -5,7 +5,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/utilities/utobject.c b/drivers/acpi/utilities/utobject.c index ba7d8ac702d..4696124759e 100644 --- a/drivers/acpi/utilities/utobject.c +++ b/drivers/acpi/utilities/utobject.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/utilities/utresrc.c b/drivers/acpi/utilities/utresrc.c index 5a2de92831d..e8fe1ba6cc2 100644 --- a/drivers/acpi/utilities/utresrc.c +++ b/drivers/acpi/utilities/utresrc.c @@ -5,7 +5,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/utilities/utstate.c b/drivers/acpi/utilities/utstate.c index eaa13d05c85..edcaafad0a3 100644 --- a/drivers/acpi/utilities/utstate.c +++ b/drivers/acpi/utilities/utstate.c @@ -5,7 +5,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/utilities/utxface.c b/drivers/acpi/utilities/utxface.c index 3538f69c82a..de3276f4f46 100644 --- a/drivers/acpi/utilities/utxface.c +++ b/drivers/acpi/utilities/utxface.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2006, R. Byron Moore + * Copyright (C) 2000 - 2007, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -67,6 +67,7 @@ acpi_status acpi_initialize_subsystem(void) ACPI_FUNCTION_TRACE(acpi_initialize_subsystem); + acpi_gbl_startup_flags = ACPI_SUBSYSTEM_INITIALIZE; ACPI_DEBUG_EXEC(acpi_ut_init_stack_ptr_trace()); /* Initialize the OS-Dependent layer */ @@ -127,20 +128,6 @@ acpi_status acpi_enable_subsystem(u32 flags) ACPI_FUNCTION_TRACE(acpi_enable_subsystem); - /* - * We must initialize the hardware before we can enable ACPI. - * The values from the FADT are validated here. - */ - if (!(flags & ACPI_NO_HARDWARE_INIT)) { - ACPI_DEBUG_PRINT((ACPI_DB_EXEC, - "[Init] Initializing ACPI hardware\n")); - - status = acpi_hw_initialize(); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - } - /* Enable ACPI mode */ if (!(flags & ACPI_NO_ACPI_ENABLE)) { @@ -398,7 +385,6 @@ acpi_status acpi_get_system_info(struct acpi_buffer * out_buffer) { struct acpi_system_info *info_ptr; acpi_status status; - u32 i; ACPI_FUNCTION_TRACE(acpi_get_system_info); @@ -431,9 +417,7 @@ acpi_status acpi_get_system_info(struct acpi_buffer * out_buffer) /* Timer resolution - 24 or 32 bits */ - if (!acpi_gbl_FADT) { - info_ptr->timer_resolution = 0; - } else if (acpi_gbl_FADT->tmr_val_ext == 0) { + if (acpi_gbl_FADT.flags & ACPI_FADT_32BIT_TIMER) { info_ptr->timer_resolution = 24; } else { info_ptr->timer_resolution = 32; @@ -449,13 +433,6 @@ acpi_status acpi_get_system_info(struct acpi_buffer * out_buffer) info_ptr->debug_layer = acpi_dbg_layer; info_ptr->debug_level = acpi_dbg_level; - /* Current status of the ACPI tables, per table type */ - - info_ptr->num_table_types = ACPI_TABLE_ID_MAX + 1; - for (i = 0; i < (ACPI_TABLE_ID_MAX + 1); i++) { - info_ptr->table_info[i].count = acpi_gbl_table_lists[i].count; - } - return_ACPI_STATUS(AE_OK); } diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index 3d54680d033..e0b97add8c6 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -32,6 +32,7 @@ #include <linux/proc_fs.h> #include <linux/seq_file.h> +#include <linux/backlight.h> #include <asm/uaccess.h> #include <acpi/acpi_bus.h> @@ -56,6 +57,12 @@ #define ACPI_VIDEO_HEAD_INVALID (~0u - 1) #define ACPI_VIDEO_HEAD_END (~0u) +#define MAX_NAME_LEN 20 + +#define ACPI_VIDEO_DISPLAY_CRT 1 +#define ACPI_VIDEO_DISPLAY_TV 2 +#define ACPI_VIDEO_DISPLAY_DVI 3 +#define ACPI_VIDEO_DISPLAY_LCD 4 #define _COMPONENT ACPI_VIDEO_COMPONENT ACPI_MODULE_NAME("acpi_video") @@ -66,16 +73,14 @@ MODULE_LICENSE("GPL"); static int acpi_video_bus_add(struct acpi_device *device); static int acpi_video_bus_remove(struct acpi_device *device, int type); -static int acpi_video_bus_match(struct acpi_device *device, - struct acpi_driver *driver); static struct acpi_driver acpi_video_bus = { .name = ACPI_VIDEO_DRIVER_NAME, .class = ACPI_VIDEO_CLASS, + .ids = ACPI_VIDEO_HID, .ops = { .add = acpi_video_bus_add, .remove = acpi_video_bus_remove, - .match = acpi_video_bus_match, }, }; @@ -133,20 +138,21 @@ struct acpi_video_device_flags { u8 crt:1; u8 lcd:1; u8 tvout:1; + u8 dvi:1; u8 bios:1; u8 unknown:1; - u8 reserved:3; + u8 reserved:2; }; struct acpi_video_device_cap { u8 _ADR:1; /*Return the unique ID */ u8 _BCL:1; /*Query list of brightness control levels supported */ u8 _BCM:1; /*Set the brightness level */ + u8 _BQC:1; /* Get current brightness level */ u8 _DDC:1; /*Return the EDID for this device */ u8 _DCS:1; /*Return status of output device */ u8 _DGS:1; /*Query graphics state */ u8 _DSS:1; /*Device state set */ - u8 _reserved:1; }; struct acpi_video_device_brightness { @@ -163,6 +169,8 @@ struct acpi_video_device { struct acpi_video_bus *video; struct acpi_device *dev; struct acpi_video_device_brightness *brightness; + struct backlight_device *backlight; + struct backlight_properties *data; }; /* bus */ @@ -257,11 +265,35 @@ static void acpi_video_device_bind(struct acpi_video_bus *video, struct acpi_video_device *device); static int acpi_video_device_enumerate(struct acpi_video_bus *video); static int acpi_video_switch_output(struct acpi_video_bus *video, int event); +static int acpi_video_device_lcd_set_level(struct acpi_video_device *device, + int level); +static int acpi_video_device_lcd_get_level_current( + struct acpi_video_device *device, + unsigned long *level); static int acpi_video_get_next_level(struct acpi_video_device *device, u32 level_current, u32 event); static void acpi_video_switch_brightness(struct acpi_video_device *device, int event); +/*backlight device sysfs support*/ +static int acpi_video_get_brightness(struct backlight_device *bd) +{ + unsigned long cur_level; + struct acpi_video_device *vd = + (struct acpi_video_device *)class_get_devdata(&bd->class_dev); + acpi_video_device_lcd_get_level_current(vd, &cur_level); + return (int) cur_level; +} + +static int acpi_video_set_brightness(struct backlight_device *bd) +{ + int request_level = bd->props->brightness; + struct acpi_video_device *vd = + (struct acpi_video_device *)class_get_devdata(&bd->class_dev); + acpi_video_device_lcd_set_level(vd, request_level); + return 0; +} + /* -------------------------------------------------------------------------- Video Management -------------------------------------------------------------------------- */ @@ -499,6 +531,7 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device) acpi_integer status; acpi_handle h_dummy1; int i; + u32 max_level = 0; union acpi_object *obj = NULL; struct acpi_video_device_brightness *br = NULL; @@ -514,6 +547,8 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device) if (ACPI_SUCCESS(acpi_get_handle(device->dev->handle, "_BCM", &h_dummy1))) { device->cap._BCM = 1; } + if (ACPI_SUCCESS(acpi_get_handle(device->dev->handle,"_BQC",&h_dummy1))) + device->cap._BQC = 1; if (ACPI_SUCCESS(acpi_get_handle(device->dev->handle, "_DDC", &h_dummy1))) { device->cap._DDC = 1; } @@ -550,6 +585,8 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device) continue; } br->levels[count] = (u32) o->integer.value; + if (br->levels[count] > max_level) + max_level = br->levels[count]; count++; } out: @@ -568,6 +605,37 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device) kfree(obj); + if (device->cap._BCL && device->cap._BCM && device->cap._BQC){ + unsigned long tmp; + static int count = 0; + char *name; + struct backlight_properties *acpi_video_data; + + name = kzalloc(MAX_NAME_LEN, GFP_KERNEL); + if (!name) + return; + + acpi_video_data = kzalloc( + sizeof(struct backlight_properties), + GFP_KERNEL); + if (!acpi_video_data){ + kfree(name); + return; + } + acpi_video_data->owner = THIS_MODULE; + acpi_video_data->get_brightness = + acpi_video_get_brightness; + acpi_video_data->update_status = + acpi_video_set_brightness; + sprintf(name, "acpi_video%d", count++); + device->data = acpi_video_data; + acpi_video_data->max_brightness = max_level; + acpi_video_device_lcd_get_level_current(device, &tmp); + acpi_video_data->brightness = (int)tmp; + device->backlight = backlight_device_register(name, + NULL, device, acpi_video_data); + kfree(name); + } return; } @@ -668,6 +736,8 @@ static int acpi_video_device_info_seq_show(struct seq_file *seq, void *offset) seq_printf(seq, "LCD\n"); else if (dev->flags.tvout) seq_printf(seq, "TVOUT\n"); + else if (dev->flags.dvi) + seq_printf(seq, "DVI\n"); else seq_printf(seq, "UNKNOWN\n"); @@ -1242,6 +1312,16 @@ static int acpi_video_bus_remove_fs(struct acpi_device *device) -------------------------------------------------------------------------- */ /* device interface */ +static struct acpi_video_device_attrib* +acpi_video_get_device_attr(struct acpi_video_bus *video, unsigned long device_id) +{ + int count; + + for(count = 0; count < video->attached_count; count++) + if((video->attached_array[count].value.int_val & 0xffff) == device_id) + return &(video->attached_array[count].value.attrib); + return NULL; +} static int acpi_video_bus_get_one_device(struct acpi_device *device, @@ -1250,7 +1330,7 @@ acpi_video_bus_get_one_device(struct acpi_device *device, unsigned long device_id; int status; struct acpi_video_device *data; - + struct acpi_video_device_attrib* attribute; if (!device || !video) return -EINVAL; @@ -1271,20 +1351,30 @@ acpi_video_bus_get_one_device(struct acpi_device *device, data->video = video; data->dev = device; - switch (device_id & 0xffff) { - case 0x0100: - data->flags.crt = 1; - break; - case 0x0400: - data->flags.lcd = 1; - break; - case 0x0200: - data->flags.tvout = 1; - break; - default: + attribute = acpi_video_get_device_attr(video, device_id); + + if((attribute != NULL) && attribute->device_id_scheme) { + switch (attribute->display_type) { + case ACPI_VIDEO_DISPLAY_CRT: + data->flags.crt = 1; + break; + case ACPI_VIDEO_DISPLAY_TV: + data->flags.tvout = 1; + break; + case ACPI_VIDEO_DISPLAY_DVI: + data->flags.dvi = 1; + break; + case ACPI_VIDEO_DISPLAY_LCD: + data->flags.lcd = 1; + break; + default: + data->flags.unknown = 1; + break; + } + if(attribute->bios_can_detect) + data->flags.bios = 1; + } else data->flags.unknown = 1; - break; - } acpi_video_device_bind(video, data); acpi_video_device_find_cap(data); @@ -1588,7 +1678,10 @@ static int acpi_video_bus_put_one_device(struct acpi_video_device *device) status = acpi_remove_notify_handler(device->dev->handle, ACPI_DEVICE_NOTIFY, acpi_video_device_notify); - + if (device->backlight){ + backlight_device_unregister(device->backlight); + kfree(device->data); + } return 0; } @@ -1790,39 +1883,6 @@ static int acpi_video_bus_remove(struct acpi_device *device, int type) return 0; } -static int -acpi_video_bus_match(struct acpi_device *device, struct acpi_driver *driver) -{ - acpi_handle h_dummy1; - acpi_handle h_dummy2; - acpi_handle h_dummy3; - - - if (!device || !driver) - return -EINVAL; - - /* Since there is no HID, CID for ACPI Video drivers, we have - * to check well known required nodes for each feature we support. - */ - - /* Does this device able to support video switching ? */ - if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_DOD", &h_dummy1)) && - ACPI_SUCCESS(acpi_get_handle(device->handle, "_DOS", &h_dummy2))) - return 0; - - /* Does this device able to retrieve a video ROM ? */ - if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_ROM", &h_dummy1))) - return 0; - - /* Does this device able to configure which video head to be POSTed ? */ - if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_VPO", &h_dummy1)) && - ACPI_SUCCESS(acpi_get_handle(device->handle, "_GPD", &h_dummy2)) && - ACPI_SUCCESS(acpi_get_handle(device->handle, "_SPD", &h_dummy3))) - return 0; - - return -ENODEV; -} - static int __init acpi_video_init(void) { int result = 0; diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c index f1afd26a509..a7b33d2f599 100644 --- a/drivers/char/ipmi/ipmi_si_intf.c +++ b/drivers/char/ipmi/ipmi_si_intf.c @@ -1802,7 +1802,7 @@ static __devinit int try_init_acpi(struct SPMITable *spmi) return -ENODEV; } - if (spmi->addr.address_space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) + if (spmi->addr.space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) addr_space = IPMI_MEM_ADDR_SPACE; else addr_space = IPMI_IO_ADDR_SPACE; @@ -1848,19 +1848,19 @@ static __devinit int try_init_acpi(struct SPMITable *spmi) info->irq_setup = NULL; } - if (spmi->addr.register_bit_width) { + if (spmi->addr.bit_width) { /* A (hopefully) properly formed register bit width. */ - info->io.regspacing = spmi->addr.register_bit_width / 8; + info->io.regspacing = spmi->addr.bit_width / 8; } else { info->io.regspacing = DEFAULT_REGSPACING; } info->io.regsize = info->io.regspacing; - info->io.regshift = spmi->addr.register_bit_offset; + info->io.regshift = spmi->addr.bit_offset; - if (spmi->addr.address_space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) { + if (spmi->addr.space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) { info->io_setup = mem_setup; info->io.addr_type = IPMI_IO_ADDR_SPACE; - } else if (spmi->addr.address_space_id == ACPI_ADR_SPACE_SYSTEM_IO) { + } else if (spmi->addr.space_id == ACPI_ADR_SPACE_SYSTEM_IO) { info->io_setup = port_setup; info->io.addr_type = IPMI_MEM_ADDR_SPACE; } else { @@ -1888,10 +1888,8 @@ static __devinit void acpi_find_bmc(void) return; for (i = 0; ; i++) { - status = acpi_get_firmware_table("SPMI", i+1, - ACPI_LOGICAL_ADDRESSING, - (struct acpi_table_header **) - &spmi); + status = acpi_get_table(ACPI_SIG_SPMI, i+1, + (struct acpi_table_header **)&spmi); if (status != AE_OK) return; diff --git a/drivers/char/tpm/tpm_bios.c b/drivers/char/tpm/tpm_bios.c index a611972024e..7fca5f470be 100644 --- a/drivers/char/tpm/tpm_bios.c +++ b/drivers/char/tpm/tpm_bios.c @@ -372,10 +372,8 @@ static int read_log(struct tpm_bios_log *log) } /* Find TCPA entry in RSDT (ACPI_LOGICAL_ADDRESSING) */ - status = acpi_get_firmware_table(ACPI_TCPA_SIG, 1, - ACPI_LOGICAL_ADDRESSING, - (struct acpi_table_header **) - &buff); + status = acpi_get_table(ACPI_SIG_TCPA, 1, + (struct acpi_table_header **)&buff); if (ACPI_FAILURE(status)) { printk(KERN_ERR "%s: ERROR - Could not get TCPA table\n", @@ -409,7 +407,7 @@ static int read_log(struct tpm_bios_log *log) log->bios_event_log_end = log->bios_event_log + len; - acpi_os_map_memory(start, len, (void *) &virt); + virt = acpi_os_map_memory(start, len); memcpy(log->bios_event_log, virt, len); diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig index 879250d3d06..ff8c4beaace 100644 --- a/drivers/crypto/Kconfig +++ b/drivers/crypto/Kconfig @@ -51,6 +51,8 @@ config CRYPTO_DEV_PADLOCK_SHA If unsure say M. The compiled module will be called padlock-sha.ko +source "arch/s390/crypto/Kconfig" + config CRYPTO_DEV_GEODE tristate "Support for the Geode LX AES engine" depends on CRYPTO && X86_32 && PCI diff --git a/drivers/firmware/pcdp.c b/drivers/firmware/pcdp.c index c2ad72fefd9..2b4b76e8bd7 100644 --- a/drivers/firmware/pcdp.c +++ b/drivers/firmware/pcdp.c @@ -26,7 +26,7 @@ setup_serial_console(struct pcdp_uart *uart) static char options[64], *p = options; char parity; - mmio = (uart->addr.address_space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY); + mmio = (uart->addr.space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY); p += sprintf(p, "console=uart,%s,0x%lx", mmio ? "mmio" : "io", uart->addr.address); if (uart->baud) { diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index ec796ad087d..850788f4dd2 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -22,5 +22,19 @@ config HID If unsure, say Y +config HID_DEBUG + bool "HID debugging support" + depends on HID + ---help--- + This option lets the HID layer output diagnostics about its internal + state, resolve HID usages, dump HID fields, etc. Individual HID drivers + use this debugging facility to output information about individual HID + devices, etc. + + This feature is useful for those who are either debugging the HID parser + or any HID hardware device. + + If unsure, say N + endmenu diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile index 6432392110b..52e97d8f3c9 100644 --- a/drivers/hid/Makefile +++ b/drivers/hid/Makefile @@ -1,15 +1,8 @@ # # Makefile for the HID driver # - -# Multipart objects. -hid-objs := hid-core.o hid-input.o - -# Optional parts of multipart objects. +hid-objs := hid-core.o hid-input.o obj-$(CONFIG_HID) += hid.o - -ifeq ($(CONFIG_INPUT_DEBUG),y) -EXTRA_CFLAGS += -DDEBUG -endif +hid-$(CONFIG_HID_DEBUG) += hid-debug.o diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 49f18f5b251..8c7d48eff7b 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -28,11 +28,9 @@ #include <linux/input.h> #include <linux/wait.h> -#undef DEBUG -#undef DEBUG_DATA - #include <linux/hid.h> #include <linux/hiddev.h> +#include <linux/hid-debug.h> /* * Version Information @@ -951,7 +949,7 @@ int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int i return -1; } -#ifdef DEBUG_DATA +#ifdef CONFIG_HID_DEBUG printk(KERN_DEBUG __FILE__ ": report (size %u) (%snumbered)\n", size, report_enum->numbered ? "" : "un"); #endif @@ -961,7 +959,7 @@ int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int i size--; } -#ifdef DEBUG_DATA +#ifdef CONFIG_HID_DEBUG { int i; printk(KERN_DEBUG __FILE__ ": report %d (size %u) = ", n, size); diff --git a/drivers/hid/hid-debug.c b/drivers/hid/hid-debug.c new file mode 100644 index 00000000000..89241be4ec9 --- /dev/null +++ b/drivers/hid/hid-debug.c @@ -0,0 +1,764 @@ +/* + * $Id: hid-debug.h,v 1.8 2001/09/25 09:37:57 vojtech Exp $ + * + * (c) 1999 Andreas Gal <gal@cs.uni-magdeburg.de> + * (c) 2000-2001 Vojtech Pavlik <vojtech@ucw.cz> + * (c) 2007 Jiri Kosina + * + * Some debug stuff for the HID parser. + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Should you need to contact me, the author, you can do so either by + * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: + * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic + */ + +#include <linux/hid.h> + +struct hid_usage_entry { + unsigned page; + unsigned usage; + char *description; +}; + +static const struct hid_usage_entry hid_usage_table[] = { + { 0, 0, "Undefined" }, + { 1, 0, "GenericDesktop" }, + {0, 0x01, "Pointer"}, + {0, 0x02, "Mouse"}, + {0, 0x04, "Joystick"}, + {0, 0x05, "GamePad"}, + {0, 0x06, "Keyboard"}, + {0, 0x07, "Keypad"}, + {0, 0x08, "MultiAxis"}, + {0, 0x30, "X"}, + {0, 0x31, "Y"}, + {0, 0x32, "Z"}, + {0, 0x33, "Rx"}, + {0, 0x34, "Ry"}, + {0, 0x35, "Rz"}, + {0, 0x36, "Slider"}, + {0, 0x37, "Dial"}, + {0, 0x38, "Wheel"}, + {0, 0x39, "HatSwitch"}, + {0, 0x3a, "CountedBuffer"}, + {0, 0x3b, "ByteCount"}, + {0, 0x3c, "MotionWakeup"}, + {0, 0x3d, "Start"}, + {0, 0x3e, "Select"}, + {0, 0x40, "Vx"}, + {0, 0x41, "Vy"}, + {0, 0x42, "Vz"}, + {0, 0x43, "Vbrx"}, + {0, 0x44, "Vbry"}, + {0, 0x45, "Vbrz"}, + {0, 0x46, "Vno"}, + {0, 0x80, "SystemControl"}, + {0, 0x81, "SystemPowerDown"}, + {0, 0x82, "SystemSleep"}, + {0, 0x83, "SystemWakeUp"}, + {0, 0x84, "SystemContextMenu"}, + {0, 0x85, "SystemMainMenu"}, + {0, 0x86, "SystemAppMenu"}, + {0, 0x87, "SystemMenuHelp"}, + {0, 0x88, "SystemMenuExit"}, + {0, 0x89, "SystemMenuSelect"}, + {0, 0x8a, "SystemMenuRight"}, + {0, 0x8b, "SystemMenuLeft"}, + {0, 0x8c, "SystemMenuUp"}, + {0, 0x8d, "SystemMenuDown"}, + {0, 0x90, "D-PadUp"}, + {0, 0x91, "D-PadDown"}, + {0, 0x92, "D-PadRight"}, + {0, 0x93, "D-PadLeft"}, + { 2, 0, "Simulation" }, + {0, 0xb0, "Aileron"}, + {0, 0xb1, "AileronTrim"}, + {0, 0xb2, "Anti-Torque"}, + {0, 0xb3, "Autopilot"}, + {0, 0xb4, "Chaff"}, + {0, 0xb5, "Collective"}, + {0, 0xb6, "DiveBrake"}, + {0, 0xb7, "ElectronicCountermeasures"}, + {0, 0xb8, "Elevator"}, + {0, 0xb9, "ElevatorTrim"}, + {0, 0xba, "Rudder"}, + {0, 0xbb, "Throttle"}, + {0, 0xbc, "FlightCommunications"}, + {0, 0xbd, "FlareRelease"}, + {0, 0xbe, "LandingGear"}, + {0, 0xbf, "ToeBrake"}, + { 7, 0, "Keyboard" }, + { 8, 0, "LED" }, + {0, 0x01, "NumLock"}, + {0, 0x02, "CapsLock"}, + {0, 0x03, "ScrollLock"}, + {0, 0x04, "Compose"}, + {0, 0x05, "Kana"}, + {0, 0x4b, "GenericIndicator"}, + { 9, 0, "Button" }, + { 10, 0, "Ordinal" }, + { 12, 0, "Consumer" }, + {0, 0x238, "HorizontalWheel"}, + { 13, 0, "Digitizers" }, + {0, 0x01, "Digitizer"}, + {0, 0x02, "Pen"}, + {0, 0x03, "LightPen"}, + {0, 0x04, "TouchScreen"}, + {0, 0x05, "TouchPad"}, + {0, 0x20, "Stylus"}, + {0, 0x21, "Puck"}, + {0, 0x22, "Finger"}, + {0, 0x30, "TipPressure"}, + {0, 0x31, "BarrelPressure"}, + {0, 0x32, "InRange"}, + {0, 0x33, "Touch"}, + {0, 0x34, "UnTouch"}, + {0, 0x35, "Tap"}, + {0, 0x39, "TabletFunctionKey"}, + {0, 0x3a, "ProgramChangeKey"}, + {0, 0x3c, "Invert"}, + {0, 0x42, "TipSwitch"}, + {0, 0x43, "SecondaryTipSwitch"}, + {0, 0x44, "BarrelSwitch"}, + {0, 0x45, "Eraser"}, + {0, 0x46, "TabletPick"}, + { 15, 0, "PhysicalInterfaceDevice" }, + {0, 0x00, "Undefined"}, + {0, 0x01, "Physical_Interface_Device"}, + {0, 0x20, "Normal"}, + {0, 0x21, "Set_Effect_Report"}, + {0, 0x22, "Effect_Block_Index"}, + {0, 0x23, "Parameter_Block_Offset"}, + {0, 0x24, "ROM_Flag"}, + {0, 0x25, "Effect_Type"}, + {0, 0x26, "ET_Constant_Force"}, + {0, 0x27, "ET_Ramp"}, + {0, 0x28, "ET_Custom_Force_Data"}, + {0, 0x30, "ET_Square"}, + {0, 0x31, "ET_Sine"}, + {0, 0x32, "ET_Triangle"}, + {0, 0x33, "ET_Sawtooth_Up"}, + {0, 0x34, "ET_Sawtooth_Down"}, + {0, 0x40, "ET_Spring"}, + {0, 0x41, "ET_Damper"}, + {0, 0x42, "ET_Inertia"}, + {0, 0x43, "ET_Friction"}, + {0, 0x50, "Duration"}, + {0, 0x51, "Sample_Period"}, + {0, 0x52, "Gain"}, + {0, 0x53, "Trigger_Button"}, + {0, 0x54, "Trigger_Repeat_Interval"}, + {0, 0x55, "Axes_Enable"}, + {0, 0x56, "Direction_Enable"}, + {0, 0x57, "Direction"}, + {0, 0x58, "Type_Specific_Block_Offset"}, + {0, 0x59, "Block_Type"}, + {0, 0x5A, "Set_Envelope_Report"}, + {0, 0x5B, "Attack_Level"}, + {0, 0x5C, "Attack_Time"}, + {0, 0x5D, "Fade_Level"}, + {0, 0x5E, "Fade_Time"}, + {0, 0x5F, "Set_Condition_Report"}, + {0, 0x60, "CP_Offset"}, + {0, 0x61, "Positive_Coefficient"}, + {0, 0x62, "Negative_Coefficient"}, + {0, 0x63, "Positive_Saturation"}, + {0, 0x64, "Negative_Saturation"}, + {0, 0x65, "Dead_Band"}, + {0, 0x66, "Download_Force_Sample"}, + {0, 0x67, "Isoch_Custom_Force_Enable"}, + {0, 0x68, "Custom_Force_Data_Report"}, + {0, 0x69, "Custom_Force_Data"}, + {0, 0x6A, "Custom_Force_Vendor_Defined_Data"}, + {0, 0x6B, "Set_Custom_Force_Report"}, + {0, 0x6C, "Custom_Force_Data_Offset"}, + {0, 0x6D, "Sample_Count"}, + {0, 0x6E, "Set_Periodic_Report"}, + {0, 0x6F, "Offset"}, + {0, 0x70, "Magnitude"}, + {0, 0x71, "Phase"}, + {0, 0x72, "Period"}, + {0, 0x73, "Set_Constant_Force_Report"}, + {0, 0x74, "Set_Ramp_Force_Report"}, + {0, 0x75, "Ramp_Start"}, + {0, 0x76, "Ramp_End"}, + {0, 0x77, "Effect_Operation_Report"}, + {0, 0x78, "Effect_Operation"}, + {0, 0x79, "Op_Effect_Start"}, + {0, 0x7A, "Op_Effect_Start_Solo"}, + {0, 0x7B, "Op_Effect_Stop"}, + {0, 0x7C, "Loop_Count"}, + {0, 0x7D, "Device_Gain_Report"}, + {0, 0x7E, "Device_Gain"}, + {0, 0x7F, "PID_Pool_Report"}, + {0, 0x80, "RAM_Pool_Size"}, + {0, 0x81, "ROM_Pool_Size"}, + {0, 0x82, "ROM_Effect_Block_Count"}, + {0, 0x83, "Simultaneous_Effects_Max"}, + {0, 0x84, "Pool_Alignment"}, + {0, 0x85, "PID_Pool_Move_Report"}, + {0, 0x86, "Move_Source"}, + {0, 0x87, "Move_Destination"}, + {0, 0x88, "Move_Length"}, + {0, 0x89, "PID_Block_Load_Report"}, + {0, 0x8B, "Block_Load_Status"}, + {0, 0x8C, "Block_Load_Success"}, + {0, 0x8D, "Block_Load_Full"}, + {0, 0x8E, "Block_Load_Error"}, + {0, 0x8F, "Block_Handle"}, + {0, 0x90, "PID_Block_Free_Report"}, + {0, 0x91, "Type_Specific_Block_Handle"}, + {0, 0x92, "PID_State_Report"}, + {0, 0x94, "Effect_Playing"}, + {0, 0x95, "PID_Device_Control_Report"}, + {0, 0x96, "PID_Device_Control"}, + {0, 0x97, "DC_Enable_Actuators"}, + {0, 0x98, "DC_Disable_Actuators"}, + {0, 0x99, "DC_Stop_All_Effects"}, + {0, 0x9A, "DC_Device_Reset"}, + {0, 0x9B, "DC_Device_Pause"}, + {0, 0x9C, "DC_Device_Continue"}, + {0, 0x9F, "Device_Paused"}, + {0, 0xA0, "Actuators_Enabled"}, + {0, 0xA4, "Safety_Switch"}, + {0, 0xA5, "Actuator_Override_Switch"}, + {0, 0xA6, "Actuator_Power"}, + {0, 0xA7, "Start_Delay"}, + {0, 0xA8, "Parameter_Block_Size"}, + {0, 0xA9, "Device_Managed_Pool"}, + {0, 0xAA, "Shared_Parameter_Blocks"}, + {0, 0xAB, "Create_New_Effect_Report"}, + {0, 0xAC, "RAM_Pool_Available"}, + { 0x84, 0, "Power Device" }, + { 0x84, 0x02, "PresentStatus" }, + { 0x84, 0x03, "ChangeStatus" }, + { 0x84, 0x04, "UPS" }, + { 0x84, 0x05, "PowerSupply" }, + { 0x84, 0x10, "BatterySystem" }, + { 0x84, 0x11, "BatterySystemID" }, + { 0x84, 0x12, "Battery" }, + { 0x84, 0x13, "BatteryID" }, + { 0x84, 0x14, "Charger" }, + { 0x84, 0x15, "ChargerID" }, + { 0x84, 0x16, "PowerConverter" }, + { 0x84, 0x17, "PowerConverterID" }, + { 0x84, 0x18, "OutletSystem" }, + { 0x84, 0x19, "OutletSystemID" }, + { 0x84, 0x1a, "Input" }, + { 0x84, 0x1b, "InputID" }, + { 0x84, 0x1c, "Output" }, + { 0x84, 0x1d, "OutputID" }, + { 0x84, 0x1e, "Flow" }, + { 0x84, 0x1f, "FlowID" }, + { 0x84, 0x20, "Outlet" }, + { 0x84, 0x21, "OutletID" }, + { 0x84, 0x22, "Gang" }, + { 0x84, 0x24, "PowerSummary" }, + { 0x84, 0x25, "PowerSummaryID" }, + { 0x84, 0x30, "Voltage" }, + { 0x84, 0x31, "Current" }, + { 0x84, 0x32, "Frequency" }, + { 0x84, 0x33, "ApparentPower" }, + { 0x84, 0x35, "PercentLoad" }, + { 0x84, 0x40, "ConfigVoltage" }, + { 0x84, 0x41, "ConfigCurrent" }, + { 0x84, 0x43, "ConfigApparentPower" }, + { 0x84, 0x53, "LowVoltageTransfer" }, + { 0x84, 0x54, "HighVoltageTransfer" }, + { 0x84, 0x56, "DelayBeforeStartup" }, + { 0x84, 0x57, "DelayBeforeShutdown" }, + { 0x84, 0x58, "Test" }, + { 0x84, 0x5a, "AudibleAlarmControl" }, + { 0x84, 0x60, "Present" }, + { 0x84, 0x61, "Good" }, + { 0x84, 0x62, "InternalFailure" }, + { 0x84, 0x65, "Overload" }, + { 0x84, 0x66, "OverCharged" }, + { 0x84, 0x67, "OverTemperature" }, + { 0x84, 0x68, "ShutdownRequested" }, + { 0x84, 0x69, "ShutdownImminent" }, + { 0x84, 0x6b, "SwitchOn/Off" }, + { 0x84, 0x6c, "Switchable" }, + { 0x84, 0x6d, "Used" }, + { 0x84, 0x6e, "Boost" }, + { 0x84, 0x73, "CommunicationLost" }, + { 0x84, 0xfd, "iManufacturer" }, + { 0x84, 0xfe, "iProduct" }, + { 0x84, 0xff, "iSerialNumber" }, + { 0x85, 0, "Battery System" }, + { 0x85, 0x01, "SMBBatteryMode" }, + { 0x85, 0x02, "SMBBatteryStatus" }, + { 0x85, 0x03, "SMBAlarmWarning" }, + { 0x85, 0x04, "SMBChargerMode" }, + { 0x85, 0x05, "SMBChargerStatus" }, + { 0x85, 0x06, "SMBChargerSpecInfo" }, + { 0x85, 0x07, "SMBSelectorState" }, + { 0x85, 0x08, "SMBSelectorPresets" }, + { 0x85, 0x09, "SMBSelectorInfo" }, + { 0x85, 0x29, "RemainingCapacityLimit" }, + { 0x85, 0x2c, "CapacityMode" }, + { 0x85, 0x42, "BelowRemainingCapacityLimit" }, + { 0x85, 0x44, "Charging" }, + { 0x85, 0x45, "Discharging" }, + { 0x85, 0x4b, "NeedReplacement" }, + { 0x85, 0x66, "RemainingCapacity" }, + { 0x85, 0x68, "RunTimeToEmpty" }, + { 0x85, 0x6a, "AverageTimeToFull" }, + { 0x85, 0x83, "DesignCapacity" }, + { 0x85, 0x85, "ManufacturerDate" }, + { 0x85, 0x89, "iDeviceChemistry" }, + { 0x85, 0x8b, "Rechargable" }, + { 0x85, 0x8f, "iOEMInformation" }, + { 0x85, 0x8d, "CapacityGranularity1" }, + { 0x85, 0xd0, "ACPresent" }, + /* pages 0xff00 to 0xffff are vendor-specific */ + { 0xffff, 0, "Vendor-specific-FF" }, + { 0, 0, NULL } +}; + +static void resolv_usage_page(unsigned page) { + const struct hid_usage_entry *p; + + for (p = hid_usage_table; p->description; p++) + if (p->page == page) { + printk("%s", p->description); + return; + } + printk("%04x", page); +} + +void hid_resolv_usage(unsigned usage) { + const struct hid_usage_entry *p; + + resolv_usage_page(usage >> 16); + printk("."); + for (p = hid_usage_table; p->description; p++) + if (p->page == (usage >> 16)) { + for(++p; p->description && p->usage != 0; p++) + if (p->usage == (usage & 0xffff)) { + printk("%s", p->description); + return; + } + break; + } + printk("%04x", usage & 0xffff); +} +EXPORT_SYMBOL_GPL(hid_resolv_usage); + +__inline__ static void tab(int n) { + while (n--) printk(" "); +} + +void hid_dump_field(struct hid_field *field, int n) { + int j; + + if (field->physical) { + tab(n); + printk("Physical("); + hid_resolv_usage(field->physical); printk(")\n"); + } + if (field->logical) { + tab(n); + printk("Logical("); + hid_resolv_usage(field->logical); printk(")\n"); + } + tab(n); printk("Usage(%d)\n", field->maxusage); + for (j = 0; j < field->maxusage; j++) { + tab(n+2); hid_resolv_usage(field->usage[j].hid); printk("\n"); + } + if (field->logical_minimum != field->logical_maximum) { + tab(n); printk("Logical Minimum(%d)\n", field->logical_minimum); + tab(n); printk("Logical Maximum(%d)\n", field->logical_maximum); + } + if (field->physical_minimum != field->physical_maximum) { + tab(n); printk("Physical Minimum(%d)\n", field->physical_minimum); + tab(n); printk("Physical Maximum(%d)\n", field->physical_maximum); + } + if (field->unit_exponent) { + tab(n); printk("Unit Exponent(%d)\n", field->unit_exponent); + } + if (field->unit) { + char *systems[5] = { "None", "SI Linear", "SI Rotation", "English Linear", "English Rotation" }; + char *units[5][8] = { + { "None", "None", "None", "None", "None", "None", "None", "None" }, + { "None", "Centimeter", "Gram", "Seconds", "Kelvin", "Ampere", "Candela", "None" }, + { "None", "Radians", "Gram", "Seconds", "Kelvin", "Ampere", "Candela", "None" }, + { "None", "Inch", "Slug", "Seconds", "Fahrenheit", "Ampere", "Candela", "None" }, + { "None", "Degrees", "Slug", "Seconds", "Fahrenheit", "Ampere", "Candela", "None" } + }; + + int i; + int sys; + __u32 data = field->unit; + + /* First nibble tells us which system we're in. */ + sys = data & 0xf; + data >>= 4; + + if(sys > 4) { + tab(n); printk("Unit(Invalid)\n"); + } + else { + int earlier_unit = 0; + + tab(n); printk("Unit(%s : ", systems[sys]); + + for (i=1 ; i<sizeof(__u32)*2 ; i++) { + char nibble = data & 0xf; + data >>= 4; + if (nibble != 0) { + if(earlier_unit++ > 0) + printk("*"); + printk("%s", units[sys][i]); + if(nibble != 1) { + /* This is a _signed_ nibble(!) */ + + int val = nibble & 0x7; + if(nibble & 0x08) + val = -((0x7 & ~val) +1); + printk("^%d", val); + } + } + } + printk(")\n"); + } + } + tab(n); printk("Report Size(%u)\n", field->report_size); + tab(n); printk("Report Count(%u)\n", field->report_count); + tab(n); printk("Report Offset(%u)\n", field->report_offset); + + tab(n); printk("Flags( "); + j = field->flags; + printk("%s", HID_MAIN_ITEM_CONSTANT & j ? "Constant " : ""); + printk("%s", HID_MAIN_ITEM_VARIABLE & j ? "Variable " : "Array "); + printk("%s", HID_MAIN_ITEM_RELATIVE & j ? "Relative " : "Absolute "); + printk("%s", HID_MAIN_ITEM_WRAP & j ? "Wrap " : ""); + printk("%s", HID_MAIN_ITEM_NONLINEAR & j ? "NonLinear " : ""); + printk("%s", HID_MAIN_ITEM_NO_PREFERRED & j ? "NoPrefferedState " : ""); + printk("%s", HID_MAIN_ITEM_NULL_STATE & j ? "NullState " : ""); + printk("%s", HID_MAIN_ITEM_VOLATILE & j ? "Volatile " : ""); + printk("%s", HID_MAIN_ITEM_BUFFERED_BYTE & j ? "BufferedByte " : ""); + printk(")\n"); +} +EXPORT_SYMBOL_GPL(hid_dump_field); + +void hid_dump_device(struct hid_device *device) { + struct hid_report_enum *report_enum; + struct hid_report *report; + struct list_head *list; + unsigned i,k; + static char *table[] = {"INPUT", "OUTPUT", "FEATURE"}; + + for (i = 0; i < HID_REPORT_TYPES; i++) { + report_enum = device->report_enum + i; + list = report_enum->report_list.next; + while (list != &report_enum->report_list) { + report = (struct hid_report *) list; + tab(2); + printk("%s", table[i]); + if (report->id) + printk("(%d)", report->id); + printk("[%s]", table[report->type]); + printk("\n"); + for (k = 0; k < report->maxfield; k++) { + tab(4); + printk("Field(%d)\n", k); + hid_dump_field(report->field[k], 6); + } + list = list->next; + } + } +} +EXPORT_SYMBOL_GPL(hid_dump_device); + +void hid_dump_input(struct hid_usage *usage, __s32 value) { + printk("hid-debug: input "); + hid_resolv_usage(usage->hid); + printk(" = %d\n", value); +} +EXPORT_SYMBOL_GPL(hid_dump_input); + +static char *events[EV_MAX + 1] = { + [EV_SYN] = "Sync", [EV_KEY] = "Key", + [EV_REL] = "Relative", [EV_ABS] = "Absolute", + [EV_MSC] = "Misc", [EV_LED] = "LED", + [EV_SND] = "Sound", [EV_REP] = "Repeat", + [EV_FF] = "ForceFeedback", [EV_PWR] = "Power", + [EV_FF_STATUS] = "ForceFeedbackStatus", +}; + +static char *syncs[2] = { + [SYN_REPORT] = "Report", [SYN_CONFIG] = "Config", +}; +static char *keys[KEY_MAX + 1] = { + [KEY_RESERVED] = "Reserved", [KEY_ESC] = "Esc", + [KEY_1] = "1", [KEY_2] = "2", + [KEY_3] = "3", [KEY_4] = "4", + [KEY_5] = "5", [KEY_6] = "6", + [KEY_7] = "7", [KEY_8] = "8", + [KEY_9] = "9", [KEY_0] = "0", + [KEY_MINUS] = "Minus", [KEY_EQUAL] = "Equal", + [KEY_BACKSPACE] = "Backspace", [KEY_TAB] = "Tab", + [KEY_Q] = "Q", [KEY_W] = "W", + [KEY_E] = "E", [KEY_R] = "R", + [KEY_T] = "T", [KEY_Y] = "Y", + [KEY_U] = "U", [KEY_I] = "I", + [KEY_O] = "O", [KEY_P] = "P", + [KEY_LEFTBRACE] = "LeftBrace", [KEY_RIGHTBRACE] = "RightBrace", + [KEY_ENTER] = "Enter", [KEY_LEFTCTRL] = "LeftControl", + [KEY_A] = "A", [KEY_S] = "S", + [KEY_D] = "D", [KEY_F] = "F", + [KEY_G] = "G", [KEY_H] = "H", + [KEY_J] = "J", [KEY_K] = "K", + [KEY_L] = "L", [KEY_SEMICOLON] = "Semicolon", + [KEY_APOSTROPHE] = "Apostrophe", [KEY_GRAVE] = "Grave", + [KEY_LEFTSHIFT] = "LeftShift", [KEY_BACKSLASH] = "BackSlash", + [KEY_Z] = "Z", [KEY_X] = "X", + [KEY_C] = "C", [KEY_V] = "V", + [KEY_B] = "B", [KEY_N] = "N", + [KEY_M] = "M", [KEY_COMMA] = "Comma", + [KEY_DOT] = "Dot", [KEY_SLASH] = "Slash", + [KEY_RIGHTSHIFT] = "RightShift", [KEY_KPASTERISK] = "KPAsterisk", + [KEY_LEFTALT] = "LeftAlt", [KEY_SPACE] = "Space", + [KEY_CAPSLOCK] = "CapsLock", [KEY_F1] = "F1", + [KEY_F2] = "F2", [KEY_F3] = "F3", + [KEY_F4] = "F4", [KEY_F5] = "F5", + [KEY_F6] = "F6", [KEY_F7] = "F7", + [KEY_F8] = "F8", [KEY_F9] = "F9", + [KEY_F10] = "F10", [KEY_NUMLOCK] = "NumLock", + [KEY_SCROLLLOCK] = "ScrollLock", [KEY_KP7] = "KP7", + [KEY_KP8] = "KP8", [KEY_KP9] = "KP9", + [KEY_KPMINUS] = "KPMinus", [KEY_KP4] = "KP4", + [KEY_KP5] = "KP5", [KEY_KP6] = "KP6", + [KEY_KPPLUS] = "KPPlus", [KEY_KP1] = "KP1", + [KEY_KP2] = "KP2", [KEY_KP3] = "KP3", + [KEY_KP0] = "KP0", [KEY_KPDOT] = "KPDot", + [KEY_ZENKAKUHANKAKU] = "Zenkaku/Hankaku", [KEY_102ND] = "102nd", + [KEY_F11] = "F11", [KEY_F12] = "F12", + [KEY_RO] = "RO", [KEY_KATAKANA] = "Katakana", + [KEY_HIRAGANA] = "HIRAGANA", [KEY_HENKAN] = "Henkan", + [KEY_KATAKANAHIRAGANA] = "Katakana/Hiragana", [KEY_MUHENKAN] = "Muhenkan", + [KEY_KPJPCOMMA] = "KPJpComma", [KEY_KPENTER] = "KPEnter", + [KEY_RIGHTCTRL] = "RightCtrl", [KEY_KPSLASH] = "KPSlash", + [KEY_SYSRQ] = "SysRq", [KEY_RIGHTALT] = "RightAlt", + [KEY_LINEFEED] = "LineFeed", [KEY_HOME] = "Home", + [KEY_UP] = "Up", [KEY_PAGEUP] = "PageUp", + [KEY_LEFT] = "Left", [KEY_RIGHT] = "Right", + [KEY_END] = "End", [KEY_DOWN] = "Down", + [KEY_PAGEDOWN] = "PageDown", [KEY_INSERT] = "Insert", + [KEY_DELETE] = "Delete", [KEY_MACRO] = "Macro", + [KEY_MUTE] = "Mute", [KEY_VOLUMEDOWN] = "VolumeDown", + [KEY_VOLUMEUP] = "VolumeUp", [KEY_POWER] = "Power", + [KEY_KPEQUAL] = "KPEqual", [KEY_KPPLUSMINUS] = "KPPlusMinus", + [KEY_PAUSE] = "Pause", [KEY_KPCOMMA] = "KPComma", + [KEY_HANGUEL] = "Hangeul", [KEY_HANJA] = "Hanja", + [KEY_YEN] = "Yen", [KEY_LEFTMETA] = "LeftMeta", + [KEY_RIGHTMETA] = "RightMeta", [KEY_COMPOSE] = "Compose", + [KEY_STOP] = "Stop", [KEY_AGAIN] = "Again", + [KEY_PROPS] = "Props", [KEY_UNDO] = "Undo", + [KEY_FRONT] = "Front", [KEY_COPY] = "Copy", + [KEY_OPEN] = "Open", [KEY_PASTE] = "Paste", + [KEY_FIND] = "Find", [KEY_CUT] = "Cut", + [KEY_HELP] = "Help", [KEY_MENU] = "Menu", + [KEY_CALC] = "Calc", [KEY_SETUP] = "Setup", + [KEY_SLEEP] = "Sleep", [KEY_WAKEUP] = "WakeUp", + [KEY_FILE] = "File", [KEY_SENDFILE] = "SendFile", + [KEY_DELETEFILE] = "DeleteFile", [KEY_XFER] = "X-fer", + [KEY_PROG1] = "Prog1", [KEY_PROG2] = "Prog2", + [KEY_WWW] = "WWW", [KEY_MSDOS] = "MSDOS", + [KEY_COFFEE] = "Coffee", [KEY_DIRECTION] = "Direction", + [KEY_CYCLEWINDOWS] = "CycleWindows", [KEY_MAIL] = "Mail", + [KEY_BOOKMARKS] = "Bookmarks", [KEY_COMPUTER] = "Computer", + [KEY_BACK] = "Back", [KEY_FORWARD] = "Forward", + [KEY_CLOSECD] = "CloseCD", [KEY_EJECTCD] = "EjectCD", + [KEY_EJECTCLOSECD] = "EjectCloseCD", [KEY_NEXTSONG] = "NextSong", + [KEY_PLAYPAUSE] = "PlayPause", [KEY_PREVIOUSSONG] = "PreviousSong", + [KEY_STOPCD] = "StopCD", [KEY_RECORD] = "Record", + [KEY_REWIND] = "Rewind", [KEY_PHONE] = "Phone", + [KEY_ISO] = "ISOKey", [KEY_CONFIG] = "Config", + [KEY_HOMEPAGE] = "HomePage", [KEY_REFRESH] = "Refresh", + [KEY_EXIT] = "Exit", [KEY_MOVE] = "Move", + [KEY_EDIT] = "Edit", [KEY_SCROLLUP] = "ScrollUp", + [KEY_SCROLLDOWN] = "ScrollDown", [KEY_KPLEFTPAREN] = "KPLeftParenthesis", + [KEY_KPRIGHTPAREN] = "KPRightParenthesis", [KEY_NEW] = "New", + [KEY_REDO] = "Redo", [KEY_F13] = "F13", + [KEY_F14] = "F14", [KEY_F15] = "F15", + [KEY_F16] = "F16", [KEY_F17] = "F17", + [KEY_F18] = "F18", [KEY_F19] = "F19", + [KEY_F20] = "F20", [KEY_F21] = "F21", + [KEY_F22] = "F22", [KEY_F23] = "F23", + [KEY_F24] = "F24", [KEY_PLAYCD] = "PlayCD", + [KEY_PAUSECD] = "PauseCD", [KEY_PROG3] = "Prog3", + [KEY_PROG4] = "Prog4", [KEY_SUSPEND] = "Suspend", + [KEY_CLOSE] = "Close", [KEY_PLAY] = "Play", + [KEY_FASTFORWARD] = "FastForward", [KEY_BASSBOOST] = "BassBoost", + [KEY_PRINT] = "Print", [KEY_HP] = "HP", + [KEY_CAMERA] = "Camera", [KEY_SOUND] = "Sound", + [KEY_QUESTION] = "Question", [KEY_EMAIL] = "Email", + [KEY_CHAT] = "Chat", [KEY_SEARCH] = "Search", + [KEY_CONNECT] = "Connect", [KEY_FINANCE] = "Finance", + [KEY_SPORT] = "Sport", [KEY_SHOP] = "Shop", + [KEY_ALTERASE] = "AlternateErase", [KEY_CANCEL] = "Cancel", + [KEY_BRIGHTNESSDOWN] = "BrightnessDown", [KEY_BRIGHTNESSUP] = "BrightnessUp", + [KEY_MEDIA] = "Media", [KEY_UNKNOWN] = "Unknown", + [BTN_0] = "Btn0", [BTN_1] = "Btn1", + [BTN_2] = "Btn2", [BTN_3] = "Btn3", + [BTN_4] = "Btn4", [BTN_5] = "Btn5", + [BTN_6] = "Btn6", [BTN_7] = "Btn7", + [BTN_8] = "Btn8", [BTN_9] = "Btn9", + [BTN_LEFT] = "LeftBtn", [BTN_RIGHT] = "RightBtn", + [BTN_MIDDLE] = "MiddleBtn", [BTN_SIDE] = "SideBtn", + [BTN_EXTRA] = "ExtraBtn", [BTN_FORWARD] = "ForwardBtn", + [BTN_BACK] = "BackBtn", [BTN_TASK] = "TaskBtn", + [BTN_TRIGGER] = "Trigger", [BTN_THUMB] = "ThumbBtn", + [BTN_THUMB2] = "ThumbBtn2", [BTN_TOP] = "TopBtn", + [BTN_TOP2] = "TopBtn2", [BTN_PINKIE] = "PinkieBtn", + [BTN_BASE] = "BaseBtn", [BTN_BASE2] = "BaseBtn2", + [BTN_BASE3] = "BaseBtn3", [BTN_BASE4] = "BaseBtn4", + [BTN_BASE5] = "BaseBtn5", [BTN_BASE6] = "BaseBtn6", + [BTN_DEAD] = "BtnDead", [BTN_A] = "BtnA", + [BTN_B] = "BtnB", [BTN_C] = "BtnC", + [BTN_X] = "BtnX", [BTN_Y] = "BtnY", + [BTN_Z] = "BtnZ", [BTN_TL] = "BtnTL", + [BTN_TR] = "BtnTR", [BTN_TL2] = "BtnTL2", + [BTN_TR2] = "BtnTR2", [BTN_SELECT] = "BtnSelect", + [BTN_START] = "BtnStart", [BTN_MODE] = "BtnMode", + [BTN_THUMBL] = "BtnThumbL", [BTN_THUMBR] = "BtnThumbR", + [BTN_TOOL_PEN] = "ToolPen", [BTN_TOOL_RUBBER] = "ToolRubber", + [BTN_TOOL_BRUSH] = "ToolBrush", [BTN_TOOL_PENCIL] = "ToolPencil", + [BTN_TOOL_AIRBRUSH] = "ToolAirbrush", [BTN_TOOL_FINGER] = "ToolFinger", + [BTN_TOOL_MOUSE] = "ToolMouse", [BTN_TOOL_LENS] = "ToolLens", + [BTN_TOUCH] = "Touch", [BTN_STYLUS] = "Stylus", + [BTN_STYLUS2] = "Stylus2", [BTN_TOOL_DOUBLETAP] = "ToolDoubleTap", + [BTN_TOOL_TRIPLETAP] = "ToolTripleTap", [BTN_GEAR_DOWN] = "WheelBtn", + [BTN_GEAR_UP] = "Gear up", [KEY_OK] = "Ok", + [KEY_SELECT] = "Select", [KEY_GOTO] = "Goto", + [KEY_CLEAR] = "Clear", [KEY_POWER2] = "Power2", + [KEY_OPTION] = "Option", [KEY_INFO] = "Info", + [KEY_TIME] = "Time", [KEY_VENDOR] = "Vendor", + [KEY_ARCHIVE] = "Archive", [KEY_PROGRAM] = "Program", + [KEY_CHANNEL] = "Channel", [KEY_FAVORITES] = "Favorites", + [KEY_EPG] = "EPG", [KEY_PVR] = "PVR", + [KEY_MHP] = "MHP", [KEY_LANGUAGE] = "Language", + [KEY_TITLE] = "Title", [KEY_SUBTITLE] = "Subtitle", + [KEY_ANGLE] = "Angle", [KEY_ZOOM] = "Zoom", + [KEY_MODE] = "Mode", [KEY_KEYBOARD] = "Keyboard", + [KEY_SCREEN] = "Screen", [KEY_PC] = "PC", + [KEY_TV] = "TV", [KEY_TV2] = "TV2", + [KEY_VCR] = "VCR", [KEY_VCR2] = "VCR2", + [KEY_SAT] = "Sat", [KEY_SAT2] = "Sat2", + [KEY_CD] = "CD", [KEY_TAPE] = "Tape", + [KEY_RADIO] = "Radio", [KEY_TUNER] = "Tuner", + [KEY_PLAYER] = "Player", [KEY_TEXT] = "Text", + [KEY_DVD] = "DVD", [KEY_AUX] = "Aux", + [KEY_MP3] = "MP3", [KEY_AUDIO] = "Audio", + [KEY_VIDEO] = "Video", [KEY_DIRECTORY] = "Directory", + [KEY_LIST] = "List", [KEY_MEMO] = "Memo", + [KEY_CALENDAR] = "Calendar", [KEY_RED] = "Red", + [KEY_GREEN] = "Green", [KEY_YELLOW] = "Yellow", + [KEY_BLUE] = "Blue", [KEY_CHANNELUP] = "ChannelUp", + [KEY_CHANNELDOWN] = "ChannelDown", [KEY_FIRST] = "First", + [KEY_LAST] = "Last", [KEY_AB] = "AB", + [KEY_NEXT] = "Next", [KEY_RESTART] = "Restart", + [KEY_SLOW] = "Slow", [KEY_SHUFFLE] = "Shuffle", + [KEY_BREAK] = "Break", [KEY_PREVIOUS] = "Previous", + [KEY_DIGITS] = "Digits", [KEY_TEEN] = "TEEN", + [KEY_TWEN] = "TWEN", [KEY_DEL_EOL] = "DeleteEOL", + [KEY_DEL_EOS] = "DeleteEOS", [KEY_INS_LINE] = "InsertLine", + [KEY_DEL_LINE] = "DeleteLine", + [KEY_SEND] = "Send", [KEY_REPLY] = "Reply", + [KEY_FORWARDMAIL] = "ForwardMail", [KEY_SAVE] = "Save", + [KEY_DOCUMENTS] = "Documents", + [KEY_FN] = "Fn", [KEY_FN_ESC] = "Fn+ESC", + [KEY_FN_1] = "Fn+1", [KEY_FN_2] = "Fn+2", + [KEY_FN_B] = "Fn+B", [KEY_FN_D] = "Fn+D", + [KEY_FN_E] = "Fn+E", [KEY_FN_F] = "Fn+F", + [KEY_FN_S] = "Fn+S", + [KEY_FN_F1] = "Fn+F1", [KEY_FN_F2] = "Fn+F2", + [KEY_FN_F3] = "Fn+F3", [KEY_FN_F4] = "Fn+F4", + [KEY_FN_F5] = "Fn+F5", [KEY_FN_F6] = "Fn+F6", + [KEY_FN_F7] = "Fn+F7", [KEY_FN_F8] = "Fn+F8", + [KEY_FN_F9] = "Fn+F9", [KEY_FN_F10] = "Fn+F10", + [KEY_FN_F11] = "Fn+F11", [KEY_FN_F12] = "Fn+F12", + [KEY_KBDILLUMTOGGLE] = "KbdIlluminationToggle", + [KEY_KBDILLUMDOWN] = "KbdIlluminationDown", + [KEY_KBDILLUMUP] = "KbdIlluminationUp", + [KEY_SWITCHVIDEOMODE] = "SwitchVideoMode", +}; + +static char *relatives[REL_MAX + 1] = { + [REL_X] = "X", [REL_Y] = "Y", + [REL_Z] = "Z", [REL_RX] = "Rx", + [REL_RY] = "Ry", [REL_RZ] = "Rz", + [REL_HWHEEL] = "HWheel", [REL_DIAL] = "Dial", + [REL_WHEEL] = "Wheel", [REL_MISC] = "Misc", +}; + +static char *absolutes[ABS_MAX + 1] = { + [ABS_X] = "X", [ABS_Y] = "Y", + [ABS_Z] = "Z", [ABS_RX] = "Rx", + [ABS_RY] = "Ry", [ABS_RZ] = "Rz", + [ABS_THROTTLE] = "Throttle", [ABS_RUDDER] = "Rudder", + [ABS_WHEEL] = "Wheel", [ABS_GAS] = "Gas", + [ABS_BRAKE] = "Brake", [ABS_HAT0X] = "Hat0X", + [ABS_HAT0Y] = "Hat0Y", [ABS_HAT1X] = "Hat1X", + [ABS_HAT1Y] = "Hat1Y", [ABS_HAT2X] = "Hat2X", + [ABS_HAT2Y] = "Hat2Y", [ABS_HAT3X] = "Hat3X", + [ABS_HAT3Y] = "Hat 3Y", [ABS_PRESSURE] = "Pressure", + [ABS_DISTANCE] = "Distance", [ABS_TILT_X] = "XTilt", + [ABS_TILT_Y] = "YTilt", [ABS_TOOL_WIDTH] = "Tool Width", + [ABS_VOLUME] = "Volume", [ABS_MISC] = "Misc", +}; + +static char *misc[MSC_MAX + 1] = { + [MSC_SERIAL] = "Serial", [MSC_PULSELED] = "Pulseled", + [MSC_GESTURE] = "Gesture", [MSC_RAW] = "RawData" +}; + +static char *leds[LED_MAX + 1] = { + [LED_NUML] = "NumLock", [LED_CAPSL] = "CapsLock", + [LED_SCROLLL] = "ScrollLock", [LED_COMPOSE] = "Compose", + [LED_KANA] = "Kana", [LED_SLEEP] = "Sleep", + [LED_SUSPEND] = "Suspend", [LED_MUTE] = "Mute", + [LED_MISC] = "Misc", +}; + +static char *repeats[REP_MAX + 1] = { + [REP_DELAY] = "Delay", [REP_PERIOD] = "Period" +}; + +static char *sounds[SND_MAX + 1] = { + [SND_CLICK] = "Click", [SND_BELL] = "Bell", + [SND_TONE] = "Tone" +}; + +static char **names[EV_MAX + 1] = { + [EV_SYN] = syncs, [EV_KEY] = keys, + [EV_REL] = relatives, [EV_ABS] = absolutes, + [EV_MSC] = misc, [EV_LED] = leds, + [EV_SND] = sounds, [EV_REP] = repeats, +}; + +void hid_resolv_event(__u8 type, __u16 code) { + + printk("%s.%s", events[type] ? events[type] : "?", + names[type] ? (names[type][code] ? names[type][code] : "?") : "?"); +} +EXPORT_SYMBOL_GPL(hid_resolv_event); + diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c index c7a6833f682..25d180a24fc 100644 --- a/drivers/hid/hid-input.c +++ b/drivers/hid/hid-input.c @@ -31,9 +31,8 @@ #include <linux/slab.h> #include <linux/kernel.h> -#undef DEBUG - #include <linux/hid.h> +#include <linux/hid-debug.h> static int hid_pb_fnmode = 1; module_param_named(pb_fnmode, hid_pb_fnmode, int, 0644); @@ -252,9 +251,9 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel field->hidinput = hidinput; -#ifdef DEBUG +#ifdef CONFIG_HID_DEBUG printk(KERN_DEBUG "Mapping: "); - resolv_usage(usage->hid); + hid_resolv_usage(usage->hid); printk(" ---> "); #endif @@ -682,14 +681,14 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel field->dpad = usage->code; } -#ifdef DEBUG - resolv_event(usage->type, usage->code); + hid_resolv_event(usage->type, usage->code); +#ifdef CONFIG_HID_DEBUG printk("\n"); #endif return; ignore: -#ifdef DEBUG +#ifdef CONFIG_HID_DEBUG printk("IGNORED\n"); #endif return; @@ -804,6 +803,18 @@ int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int } EXPORT_SYMBOL_GPL(hidinput_find_field); +static int hidinput_open(struct input_dev *dev) +{ + struct hid_device *hid = dev->private; + return hid->hid_open(hid); +} + +static void hidinput_close(struct input_dev *dev) +{ + struct hid_device *hid = dev->private; + hid->hid_close(hid); +} + /* * Register the input device; print a message. * Configure the input layer interface @@ -816,6 +827,7 @@ int hidinput_connect(struct hid_device *hid) struct hid_input *hidinput = NULL; struct input_dev *input_dev; int i, j, k; + int max_report_type = HID_OUTPUT_REPORT; INIT_LIST_HEAD(&hid->inputs); @@ -828,7 +840,10 @@ int hidinput_connect(struct hid_device *hid) if (i == hid->maxcollection) return -1; - for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++) + if (hid->quirks & HID_QUIRK_SKIP_OUTPUT_REPORTS) + max_report_type = HID_INPUT_REPORT; + + for (k = HID_INPUT_REPORT; k <= max_report_type; k++) list_for_each_entry(report, &hid->report_enum[k].report_list, list) { if (!report->maxfield) @@ -846,8 +861,8 @@ int hidinput_connect(struct hid_device *hid) input_dev->private = hid; input_dev->event = hid->hidinput_input_event; - input_dev->open = hid->hidinput_open; - input_dev->close = hid->hidinput_close; + input_dev->open = hidinput_open; + input_dev->close = hidinput_close; input_dev->name = hid->name; input_dev->phys = hid->phys; diff --git a/drivers/infiniband/core/addr.c b/drivers/infiniband/core/addr.c index af939796750..d2bb5a9a303 100644 --- a/drivers/infiniband/core/addr.c +++ b/drivers/infiniband/core/addr.c @@ -360,8 +360,7 @@ static int netevent_callback(struct notifier_block *self, unsigned long event, if (event == NETEVENT_NEIGH_UPDATE) { struct neighbour *neigh = ctx; - if (neigh->dev->type == ARPHRD_INFINIBAND && - (neigh->nud_state & NUD_VALID)) { + if (neigh->nud_state & NUD_VALID) { set_timeout(jiffies); } } diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c index 5ed141ebd1c..13efd417034 100644 --- a/drivers/infiniband/core/mad.c +++ b/drivers/infiniband/core/mad.c @@ -642,7 +642,8 @@ static void snoop_recv(struct ib_mad_qp_info *qp_info, spin_unlock_irqrestore(&qp_info->snoop_lock, flags); } -static void build_smp_wc(u64 wr_id, u16 slid, u16 pkey_index, u8 port_num, +static void build_smp_wc(struct ib_qp *qp, + u64 wr_id, u16 slid, u16 pkey_index, u8 port_num, struct ib_wc *wc) { memset(wc, 0, sizeof *wc); @@ -652,7 +653,7 @@ static void build_smp_wc(u64 wr_id, u16 slid, u16 pkey_index, u8 port_num, wc->pkey_index = pkey_index; wc->byte_len = sizeof(struct ib_mad) + sizeof(struct ib_grh); wc->src_qp = IB_QP0; - wc->qp_num = IB_QP0; + wc->qp = qp; wc->slid = slid; wc->sl = 0; wc->dlid_path_bits = 0; @@ -713,7 +714,8 @@ static int handle_outgoing_dr_smp(struct ib_mad_agent_private *mad_agent_priv, goto out; } - build_smp_wc(send_wr->wr_id, be16_to_cpu(smp->dr_slid), + build_smp_wc(mad_agent_priv->agent.qp, + send_wr->wr_id, be16_to_cpu(smp->dr_slid), send_wr->wr.ud.pkey_index, send_wr->wr.ud.port_num, &mad_wc); @@ -2355,7 +2357,8 @@ static void local_completions(struct work_struct *work) * Defined behavior is to complete response * before request */ - build_smp_wc((unsigned long) local->mad_send_wr, + build_smp_wc(recv_mad_agent->agent.qp, + (unsigned long) local->mad_send_wr, be16_to_cpu(IB_LID_PERMISSIVE), 0, recv_mad_agent->agent.port_num, &wc); diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index 743247ec065..df1efbc1088 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -933,7 +933,7 @@ ssize_t ib_uverbs_poll_cq(struct ib_uverbs_file *file, resp->wc[i].vendor_err = wc[i].vendor_err; resp->wc[i].byte_len = wc[i].byte_len; resp->wc[i].imm_data = (__u32 __force) wc[i].imm_data; - resp->wc[i].qp_num = wc[i].qp_num; + resp->wc[i].qp_num = wc[i].qp->qp_num; resp->wc[i].src_qp = wc[i].src_qp; resp->wc[i].wc_flags = wc[i].wc_flags; resp->wc[i].pkey_index = wc[i].pkey_index; diff --git a/drivers/infiniband/hw/amso1100/c2_cq.c b/drivers/infiniband/hw/amso1100/c2_cq.c index 05c9154d46f..5175c99ee58 100644 --- a/drivers/infiniband/hw/amso1100/c2_cq.c +++ b/drivers/infiniband/hw/amso1100/c2_cq.c @@ -153,7 +153,7 @@ static inline int c2_poll_one(struct c2_dev *c2dev, entry->status = c2_cqe_status_to_openib(c2_wr_get_result(ce)); entry->wr_id = ce->hdr.context; - entry->qp_num = ce->handle; + entry->qp = &qp->ibqp; entry->wc_flags = 0; entry->slid = 0; entry->sl = 0; diff --git a/drivers/infiniband/hw/ehca/ehca_classes.h b/drivers/infiniband/hw/ehca/ehca_classes.h index 1c722032319..cf95ee474b0 100644 --- a/drivers/infiniband/hw/ehca/ehca_classes.h +++ b/drivers/infiniband/hw/ehca/ehca_classes.h @@ -119,13 +119,14 @@ struct ehca_qp { struct ipz_qp_handle ipz_qp_handle; struct ehca_pfqp pf; struct ib_qp_init_attr init_attr; - u64 uspace_squeue; - u64 uspace_rqueue; - u64 uspace_fwh; struct ehca_cq *send_cq; struct ehca_cq *recv_cq; unsigned int sqerr_purgeflag; struct hlist_node list_entries; + /* mmap counter for resources mapped into user space */ + u32 mm_count_squeue; + u32 mm_count_rqueue; + u32 mm_count_galpa; }; /* must be power of 2 */ @@ -142,13 +143,14 @@ struct ehca_cq { struct ipz_cq_handle ipz_cq_handle; struct ehca_pfcq pf; spinlock_t cb_lock; - u64 uspace_queue; - u64 uspace_fwh; struct hlist_head qp_hashtab[QP_HASHTAB_LEN]; struct list_head entry; u32 nr_callbacks; spinlock_t task_lock; u32 ownpid; + /* mmap counter for resources mapped into user space */ + u32 mm_count_queue; + u32 mm_count_galpa; }; enum ehca_mr_flag { @@ -248,20 +250,6 @@ struct ehca_ucontext { struct ib_ucontext ib_ucontext; }; -struct ehca_module *ehca_module_new(void); - -int ehca_module_delete(struct ehca_module *me); - -int ehca_eq_ctor(struct ehca_eq *eq); - -int ehca_eq_dtor(struct ehca_eq *eq); - -struct ehca_shca *ehca_shca_new(void); - -int ehca_shca_delete(struct ehca_shca *me); - -struct ehca_sport *ehca_sport_new(struct ehca_shca *anchor); - int ehca_init_pd_cache(void); void ehca_cleanup_pd_cache(void); int ehca_init_cq_cache(void); @@ -283,7 +271,6 @@ extern int ehca_port_act_time; extern int ehca_use_hp_mr; struct ipzu_queue_resp { - u64 queue; /* points to first queue entry */ u32 qe_size; /* queue entry size */ u32 act_nr_of_sg; u32 queue_length; /* queue length allocated in bytes */ @@ -296,7 +283,6 @@ struct ehca_create_cq_resp { u32 cq_number; u32 token; struct ipzu_queue_resp ipz_queue; - struct h_galpas galpas; }; struct ehca_create_qp_resp { @@ -309,7 +295,6 @@ struct ehca_create_qp_resp { u32 dummy; /* padding for 8 byte alignment */ struct ipzu_queue_resp ipz_squeue; struct ipzu_queue_resp ipz_rqueue; - struct h_galpas galpas; }; struct ehca_alloc_cq_parms { diff --git a/drivers/infiniband/hw/ehca/ehca_cq.c b/drivers/infiniband/hw/ehca/ehca_cq.c index 6074c897f51..9291a86ca05 100644 --- a/drivers/infiniband/hw/ehca/ehca_cq.c +++ b/drivers/infiniband/hw/ehca/ehca_cq.c @@ -267,7 +267,6 @@ struct ib_cq *ehca_create_cq(struct ib_device *device, int cqe, if (context) { struct ipz_queue *ipz_queue = &my_cq->ipz_queue; struct ehca_create_cq_resp resp; - struct vm_area_struct *vma; memset(&resp, 0, sizeof(resp)); resp.cq_number = my_cq->cq_number; resp.token = my_cq->token; @@ -276,40 +275,14 @@ struct ib_cq *ehca_create_cq(struct ib_device *device, int cqe, resp.ipz_queue.queue_length = ipz_queue->queue_length; resp.ipz_queue.pagesize = ipz_queue->pagesize; resp.ipz_queue.toggle_state = ipz_queue->toggle_state; - ret = ehca_mmap_nopage(((u64)(my_cq->token) << 32) | 0x12000000, - ipz_queue->queue_length, - (void**)&resp.ipz_queue.queue, - &vma); - if (ret) { - ehca_err(device, "Could not mmap queue pages"); - cq = ERR_PTR(ret); - goto create_cq_exit4; - } - my_cq->uspace_queue = resp.ipz_queue.queue; - resp.galpas = my_cq->galpas; - ret = ehca_mmap_register(my_cq->galpas.user.fw_handle, - (void**)&resp.galpas.kernel.fw_handle, - &vma); - if (ret) { - ehca_err(device, "Could not mmap fw_handle"); - cq = ERR_PTR(ret); - goto create_cq_exit5; - } - my_cq->uspace_fwh = (u64)resp.galpas.kernel.fw_handle; if (ib_copy_to_udata(udata, &resp, sizeof(resp))) { ehca_err(device, "Copy to udata failed."); - goto create_cq_exit6; + goto create_cq_exit4; } } return cq; -create_cq_exit6: - ehca_munmap(my_cq->uspace_fwh, EHCA_PAGESIZE); - -create_cq_exit5: - ehca_munmap(my_cq->uspace_queue, my_cq->ipz_queue.queue_length); - create_cq_exit4: ipz_queue_dtor(&my_cq->ipz_queue); @@ -333,7 +306,6 @@ create_cq_exit1: int ehca_destroy_cq(struct ib_cq *cq) { u64 h_ret; - int ret; struct ehca_cq *my_cq = container_of(cq, struct ehca_cq, ib_cq); int cq_num = my_cq->cq_number; struct ib_device *device = cq->device; @@ -343,6 +315,20 @@ int ehca_destroy_cq(struct ib_cq *cq) u32 cur_pid = current->tgid; unsigned long flags; + if (cq->uobject) { + if (my_cq->mm_count_galpa || my_cq->mm_count_queue) { + ehca_err(device, "Resources still referenced in " + "user space cq_num=%x", my_cq->cq_number); + return -EINVAL; + } + if (my_cq->ownpid != cur_pid) { + ehca_err(device, "Invalid caller pid=%x ownpid=%x " + "cq_num=%x", + cur_pid, my_cq->ownpid, my_cq->cq_number); + return -EINVAL; + } + } + spin_lock_irqsave(&ehca_cq_idr_lock, flags); while (my_cq->nr_callbacks) { spin_unlock_irqrestore(&ehca_cq_idr_lock, flags); @@ -353,25 +339,6 @@ int ehca_destroy_cq(struct ib_cq *cq) idr_remove(&ehca_cq_idr, my_cq->token); spin_unlock_irqrestore(&ehca_cq_idr_lock, flags); - if (my_cq->uspace_queue && my_cq->ownpid != cur_pid) { - ehca_err(device, "Invalid caller pid=%x ownpid=%x", - cur_pid, my_cq->ownpid); - return -EINVAL; - } - - /* un-mmap if vma alloc */ - if (my_cq->uspace_queue ) { - ret = ehca_munmap(my_cq->uspace_queue, - my_cq->ipz_queue.queue_length); - if (ret) - ehca_err(device, "Could not munmap queue ehca_cq=%p " - "cq_num=%x", my_cq, cq_num); - ret = ehca_munmap(my_cq->uspace_fwh, EHCA_PAGESIZE); - if (ret) - ehca_err(device, "Could not munmap fwh ehca_cq=%p " - "cq_num=%x", my_cq, cq_num); - } - h_ret = hipz_h_destroy_cq(adapter_handle, my_cq, 0); if (h_ret == H_R_STATE) { /* cq in err: read err data and destroy it forcibly */ @@ -400,7 +367,7 @@ int ehca_resize_cq(struct ib_cq *cq, int cqe, struct ib_udata *udata) struct ehca_cq *my_cq = container_of(cq, struct ehca_cq, ib_cq); u32 cur_pid = current->tgid; - if (my_cq->uspace_queue && my_cq->ownpid != cur_pid) { + if (cq->uobject && my_cq->ownpid != cur_pid) { ehca_err(cq->device, "Invalid caller pid=%x ownpid=%x", cur_pid, my_cq->ownpid); return -EINVAL; diff --git a/drivers/infiniband/hw/ehca/ehca_iverbs.h b/drivers/infiniband/hw/ehca/ehca_iverbs.h index cd7789f0d08..95fd59fb452 100644 --- a/drivers/infiniband/hw/ehca/ehca_iverbs.h +++ b/drivers/infiniband/hw/ehca/ehca_iverbs.h @@ -171,14 +171,6 @@ int ehca_mmap(struct ib_ucontext *context, struct vm_area_struct *vma); void ehca_poll_eqs(unsigned long data); -int ehca_mmap_nopage(u64 foffset,u64 length,void **mapped, - struct vm_area_struct **vma); - -int ehca_mmap_register(u64 physical,void **mapped, - struct vm_area_struct **vma); - -int ehca_munmap(unsigned long addr, size_t len); - #ifdef CONFIG_PPC_64K_PAGES void *ehca_alloc_fw_ctrlblock(gfp_t flags); void ehca_free_fw_ctrlblock(void *ptr); diff --git a/drivers/infiniband/hw/ehca/ehca_main.c b/drivers/infiniband/hw/ehca/ehca_main.c index 6574fbbaead..1155bcf4821 100644 --- a/drivers/infiniband/hw/ehca/ehca_main.c +++ b/drivers/infiniband/hw/ehca/ehca_main.c @@ -52,7 +52,7 @@ MODULE_LICENSE("Dual BSD/GPL"); MODULE_AUTHOR("Christoph Raisch <raisch@de.ibm.com>"); MODULE_DESCRIPTION("IBM eServer HCA InfiniBand Device Driver"); -MODULE_VERSION("SVNEHCA_0019"); +MODULE_VERSION("SVNEHCA_0020"); int ehca_open_aqp1 = 0; int ehca_debug_level = 0; @@ -288,7 +288,7 @@ int ehca_init_device(struct ehca_shca *shca) strlcpy(shca->ib_device.name, "ehca%d", IB_DEVICE_NAME_MAX); shca->ib_device.owner = THIS_MODULE; - shca->ib_device.uverbs_abi_ver = 5; + shca->ib_device.uverbs_abi_ver = 6; shca->ib_device.uverbs_cmd_mask = (1ull << IB_USER_VERBS_CMD_GET_CONTEXT) | (1ull << IB_USER_VERBS_CMD_QUERY_DEVICE) | @@ -790,7 +790,7 @@ int __init ehca_module_init(void) int ret; printk(KERN_INFO "eHCA Infiniband Device Driver " - "(Rel.: SVNEHCA_0019)\n"); + "(Rel.: SVNEHCA_0020)\n"); idr_init(&ehca_qp_idr); idr_init(&ehca_cq_idr); spin_lock_init(&ehca_qp_idr_lock); diff --git a/drivers/infiniband/hw/ehca/ehca_qp.c b/drivers/infiniband/hw/ehca/ehca_qp.c index 34b85556d01..95efef921f1 100644 --- a/drivers/infiniband/hw/ehca/ehca_qp.c +++ b/drivers/infiniband/hw/ehca/ehca_qp.c @@ -637,7 +637,6 @@ struct ib_qp *ehca_create_qp(struct ib_pd *pd, struct ipz_queue *ipz_rqueue = &my_qp->ipz_rqueue; struct ipz_queue *ipz_squeue = &my_qp->ipz_squeue; struct ehca_create_qp_resp resp; - struct vm_area_struct * vma; memset(&resp, 0, sizeof(resp)); resp.qp_num = my_qp->real_qp_num; @@ -651,59 +650,21 @@ struct ib_qp *ehca_create_qp(struct ib_pd *pd, resp.ipz_rqueue.queue_length = ipz_rqueue->queue_length; resp.ipz_rqueue.pagesize = ipz_rqueue->pagesize; resp.ipz_rqueue.toggle_state = ipz_rqueue->toggle_state; - ret = ehca_mmap_nopage(((u64)(my_qp->token) << 32) | 0x22000000, - ipz_rqueue->queue_length, - (void**)&resp.ipz_rqueue.queue, - &vma); - if (ret) { - ehca_err(pd->device, "Could not mmap rqueue pages"); - goto create_qp_exit3; - } - my_qp->uspace_rqueue = resp.ipz_rqueue.queue; /* squeue properties */ resp.ipz_squeue.qe_size = ipz_squeue->qe_size; resp.ipz_squeue.act_nr_of_sg = ipz_squeue->act_nr_of_sg; resp.ipz_squeue.queue_length = ipz_squeue->queue_length; resp.ipz_squeue.pagesize = ipz_squeue->pagesize; resp.ipz_squeue.toggle_state = ipz_squeue->toggle_state; - ret = ehca_mmap_nopage(((u64)(my_qp->token) << 32) | 0x23000000, - ipz_squeue->queue_length, - (void**)&resp.ipz_squeue.queue, - &vma); - if (ret) { - ehca_err(pd->device, "Could not mmap squeue pages"); - goto create_qp_exit4; - } - my_qp->uspace_squeue = resp.ipz_squeue.queue; - /* fw_handle */ - resp.galpas = my_qp->galpas; - ret = ehca_mmap_register(my_qp->galpas.user.fw_handle, - (void**)&resp.galpas.kernel.fw_handle, - &vma); - if (ret) { - ehca_err(pd->device, "Could not mmap fw_handle"); - goto create_qp_exit5; - } - my_qp->uspace_fwh = (u64)resp.galpas.kernel.fw_handle; - if (ib_copy_to_udata(udata, &resp, sizeof resp)) { ehca_err(pd->device, "Copy to udata failed"); ret = -EINVAL; - goto create_qp_exit6; + goto create_qp_exit3; } } return &my_qp->ib_qp; -create_qp_exit6: - ehca_munmap(my_qp->uspace_fwh, EHCA_PAGESIZE); - -create_qp_exit5: - ehca_munmap(my_qp->uspace_squeue, my_qp->ipz_squeue.queue_length); - -create_qp_exit4: - ehca_munmap(my_qp->uspace_rqueue, my_qp->ipz_rqueue.queue_length); - create_qp_exit3: ipz_queue_dtor(&my_qp->ipz_rqueue); ipz_queue_dtor(&my_qp->ipz_squeue); @@ -931,7 +892,7 @@ static int internal_modify_qp(struct ib_qp *ibqp, my_qp->qp_type == IB_QPT_SMI) && statetrans == IB_QPST_SQE2RTS) { /* mark next free wqe if kernel */ - if (my_qp->uspace_squeue == 0) { + if (!ibqp->uobject) { struct ehca_wqe *wqe; /* lock send queue */ spin_lock_irqsave(&my_qp->spinlock_s, spl_flags); @@ -1417,11 +1378,18 @@ int ehca_destroy_qp(struct ib_qp *ibqp) enum ib_qp_type qp_type; unsigned long flags; - if (my_pd->ib_pd.uobject && my_pd->ib_pd.uobject->context && - my_pd->ownpid != cur_pid) { - ehca_err(ibqp->device, "Invalid caller pid=%x ownpid=%x", - cur_pid, my_pd->ownpid); - return -EINVAL; + if (ibqp->uobject) { + if (my_qp->mm_count_galpa || + my_qp->mm_count_rqueue || my_qp->mm_count_squeue) { + ehca_err(ibqp->device, "Resources still referenced in " + "user space qp_num=%x", ibqp->qp_num); + return -EINVAL; + } + if (my_pd->ownpid != cur_pid) { + ehca_err(ibqp->device, "Invalid caller pid=%x ownpid=%x", + cur_pid, my_pd->ownpid); + return -EINVAL; + } } if (my_qp->send_cq) { @@ -1439,24 +1407,6 @@ int ehca_destroy_qp(struct ib_qp *ibqp) idr_remove(&ehca_qp_idr, my_qp->token); spin_unlock_irqrestore(&ehca_qp_idr_lock, flags); - /* un-mmap if vma alloc */ - if (my_qp->uspace_rqueue) { - ret = ehca_munmap(my_qp->uspace_rqueue, - my_qp->ipz_rqueue.queue_length); - if (ret) - ehca_err(ibqp->device, "Could not munmap rqueue " - "qp_num=%x", qp_num); - ret = ehca_munmap(my_qp->uspace_squeue, - my_qp->ipz_squeue.queue_length); - if (ret) - ehca_err(ibqp->device, "Could not munmap squeue " - "qp_num=%x", qp_num); - ret = ehca_munmap(my_qp->uspace_fwh, EHCA_PAGESIZE); - if (ret) - ehca_err(ibqp->device, "Could not munmap fwh qp_num=%x", - qp_num); - } - h_ret = hipz_h_destroy_qp(shca->ipz_hca_handle, my_qp); if (h_ret != H_SUCCESS) { ehca_err(ibqp->device, "hipz_h_destroy_qp() failed rc=%lx " diff --git a/drivers/infiniband/hw/ehca/ehca_reqs.c b/drivers/infiniband/hw/ehca/ehca_reqs.c index b46bda1bf85..08d3f892d9f 100644 --- a/drivers/infiniband/hw/ehca/ehca_reqs.c +++ b/drivers/infiniband/hw/ehca/ehca_reqs.c @@ -579,7 +579,7 @@ poll_cq_one_read_cqe: } else wc->status = IB_WC_SUCCESS; - wc->qp_num = cqe->local_qp_number; + wc->qp = NULL; wc->byte_len = cqe->nr_bytes_transferred; wc->pkey_index = cqe->pkey_index; wc->slid = cqe->rlid; diff --git a/drivers/infiniband/hw/ehca/ehca_uverbs.c b/drivers/infiniband/hw/ehca/ehca_uverbs.c index e08764e4aef..73db920b694 100644 --- a/drivers/infiniband/hw/ehca/ehca_uverbs.c +++ b/drivers/infiniband/hw/ehca/ehca_uverbs.c @@ -68,105 +68,183 @@ int ehca_dealloc_ucontext(struct ib_ucontext *context) return 0; } -struct page *ehca_nopage(struct vm_area_struct *vma, - unsigned long address, int *type) +static void ehca_mm_open(struct vm_area_struct *vma) { - struct page *mypage = NULL; - u64 fileoffset = vma->vm_pgoff << PAGE_SHIFT; - u32 idr_handle = fileoffset >> 32; - u32 q_type = (fileoffset >> 28) & 0xF; /* CQ, QP,... */ - u32 rsrc_type = (fileoffset >> 24) & 0xF; /* sq,rq,cmnd_window */ - u32 cur_pid = current->tgid; - unsigned long flags; - struct ehca_cq *cq; - struct ehca_qp *qp; - struct ehca_pd *pd; - u64 offset; - void *vaddr; + u32 *count = (u32*)vma->vm_private_data; + if (!count) { + ehca_gen_err("Invalid vma struct vm_start=%lx vm_end=%lx", + vma->vm_start, vma->vm_end); + return; + } + (*count)++; + if (!(*count)) + ehca_gen_err("Use count overflow vm_start=%lx vm_end=%lx", + vma->vm_start, vma->vm_end); + ehca_gen_dbg("vm_start=%lx vm_end=%lx count=%x", + vma->vm_start, vma->vm_end, *count); +} - switch (q_type) { - case 1: /* CQ */ - spin_lock_irqsave(&ehca_cq_idr_lock, flags); - cq = idr_find(&ehca_cq_idr, idr_handle); - spin_unlock_irqrestore(&ehca_cq_idr_lock, flags); +static void ehca_mm_close(struct vm_area_struct *vma) +{ + u32 *count = (u32*)vma->vm_private_data; + if (!count) { + ehca_gen_err("Invalid vma struct vm_start=%lx vm_end=%lx", + vma->vm_start, vma->vm_end); + return; + } + (*count)--; + ehca_gen_dbg("vm_start=%lx vm_end=%lx count=%x", + vma->vm_start, vma->vm_end, *count); +} - /* make sure this mmap really belongs to the authorized user */ - if (!cq) { - ehca_gen_err("cq is NULL ret=NOPAGE_SIGBUS"); - return NOPAGE_SIGBUS; +static struct vm_operations_struct vm_ops = { + .open = ehca_mm_open, + .close = ehca_mm_close, +}; + +static int ehca_mmap_fw(struct vm_area_struct *vma, struct h_galpas *galpas, + u32 *mm_count) +{ + int ret; + u64 vsize, physical; + + vsize = vma->vm_end - vma->vm_start; + if (vsize != EHCA_PAGESIZE) { + ehca_gen_err("invalid vsize=%lx", vma->vm_end - vma->vm_start); + return -EINVAL; + } + + physical = galpas->user.fw_handle; + vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); + ehca_gen_dbg("vsize=%lx physical=%lx", vsize, physical); + /* VM_IO | VM_RESERVED are set by remap_pfn_range() */ + ret = remap_pfn_range(vma, vma->vm_start, physical >> PAGE_SHIFT, + vsize, vma->vm_page_prot); + if (unlikely(ret)) { + ehca_gen_err("remap_pfn_range() failed ret=%x", ret); + return -ENOMEM; + } + + vma->vm_private_data = mm_count; + (*mm_count)++; + vma->vm_ops = &vm_ops; + + return 0; +} + +static int ehca_mmap_queue(struct vm_area_struct *vma, struct ipz_queue *queue, + u32 *mm_count) +{ + int ret; + u64 start, ofs; + struct page *page; + + vma->vm_flags |= VM_RESERVED; + start = vma->vm_start; + for (ofs = 0; ofs < queue->queue_length; ofs += PAGE_SIZE) { + u64 virt_addr = (u64)ipz_qeit_calc(queue, ofs); + page = virt_to_page(virt_addr); + ret = vm_insert_page(vma, start, page); + if (unlikely(ret)) { + ehca_gen_err("vm_insert_page() failed rc=%x", ret); + return ret; } + start += PAGE_SIZE; + } + vma->vm_private_data = mm_count; + (*mm_count)++; + vma->vm_ops = &vm_ops; - if (cq->ownpid != cur_pid) { + return 0; +} + +static int ehca_mmap_cq(struct vm_area_struct *vma, struct ehca_cq *cq, + u32 rsrc_type) +{ + int ret; + + switch (rsrc_type) { + case 1: /* galpa fw handle */ + ehca_dbg(cq->ib_cq.device, "cq_num=%x fw", cq->cq_number); + ret = ehca_mmap_fw(vma, &cq->galpas, &cq->mm_count_galpa); + if (unlikely(ret)) { ehca_err(cq->ib_cq.device, - "Invalid caller pid=%x ownpid=%x", - cur_pid, cq->ownpid); - return NOPAGE_SIGBUS; + "ehca_mmap_fw() failed rc=%x cq_num=%x", + ret, cq->cq_number); + return ret; } + break; - if (rsrc_type == 2) { - ehca_dbg(cq->ib_cq.device, "cq=%p cq queuearea", cq); - offset = address - vma->vm_start; - vaddr = ipz_qeit_calc(&cq->ipz_queue, offset); - ehca_dbg(cq->ib_cq.device, "offset=%lx vaddr=%p", - offset, vaddr); - mypage = virt_to_page(vaddr); + case 2: /* cq queue_addr */ + ehca_dbg(cq->ib_cq.device, "cq_num=%x queue", cq->cq_number); + ret = ehca_mmap_queue(vma, &cq->ipz_queue, &cq->mm_count_queue); + if (unlikely(ret)) { + ehca_err(cq->ib_cq.device, + "ehca_mmap_queue() failed rc=%x cq_num=%x", + ret, cq->cq_number); + return ret; } break; - case 2: /* QP */ - spin_lock_irqsave(&ehca_qp_idr_lock, flags); - qp = idr_find(&ehca_qp_idr, idr_handle); - spin_unlock_irqrestore(&ehca_qp_idr_lock, flags); + default: + ehca_err(cq->ib_cq.device, "bad resource type=%x cq_num=%x", + rsrc_type, cq->cq_number); + return -EINVAL; + } - /* make sure this mmap really belongs to the authorized user */ - if (!qp) { - ehca_gen_err("qp is NULL ret=NOPAGE_SIGBUS"); - return NOPAGE_SIGBUS; + return 0; +} + +static int ehca_mmap_qp(struct vm_area_struct *vma, struct ehca_qp *qp, + u32 rsrc_type) +{ + int ret; + + switch (rsrc_type) { + case 1: /* galpa fw handle */ + ehca_dbg(qp->ib_qp.device, "qp_num=%x fw", qp->ib_qp.qp_num); + ret = ehca_mmap_fw(vma, &qp->galpas, &qp->mm_count_galpa); + if (unlikely(ret)) { + ehca_err(qp->ib_qp.device, + "remap_pfn_range() failed ret=%x qp_num=%x", + ret, qp->ib_qp.qp_num); + return -ENOMEM; } + break; - pd = container_of(qp->ib_qp.pd, struct ehca_pd, ib_pd); - if (pd->ownpid != cur_pid) { + case 2: /* qp rqueue_addr */ + ehca_dbg(qp->ib_qp.device, "qp_num=%x rqueue", + qp->ib_qp.qp_num); + ret = ehca_mmap_queue(vma, &qp->ipz_rqueue, &qp->mm_count_rqueue); + if (unlikely(ret)) { ehca_err(qp->ib_qp.device, - "Invalid caller pid=%x ownpid=%x", - cur_pid, pd->ownpid); - return NOPAGE_SIGBUS; + "ehca_mmap_queue(rq) failed rc=%x qp_num=%x", + ret, qp->ib_qp.qp_num); + return ret; } + break; - if (rsrc_type == 2) { /* rqueue */ - ehca_dbg(qp->ib_qp.device, "qp=%p qp rqueuearea", qp); - offset = address - vma->vm_start; - vaddr = ipz_qeit_calc(&qp->ipz_rqueue, offset); - ehca_dbg(qp->ib_qp.device, "offset=%lx vaddr=%p", - offset, vaddr); - mypage = virt_to_page(vaddr); - } else if (rsrc_type == 3) { /* squeue */ - ehca_dbg(qp->ib_qp.device, "qp=%p qp squeuearea", qp); - offset = address - vma->vm_start; - vaddr = ipz_qeit_calc(&qp->ipz_squeue, offset); - ehca_dbg(qp->ib_qp.device, "offset=%lx vaddr=%p", - offset, vaddr); - mypage = virt_to_page(vaddr); + case 3: /* qp squeue_addr */ + ehca_dbg(qp->ib_qp.device, "qp_num=%x squeue", + qp->ib_qp.qp_num); + ret = ehca_mmap_queue(vma, &qp->ipz_squeue, &qp->mm_count_squeue); + if (unlikely(ret)) { + ehca_err(qp->ib_qp.device, + "ehca_mmap_queue(sq) failed rc=%x qp_num=%x", + ret, qp->ib_qp.qp_num); + return ret; } break; default: - ehca_gen_err("bad queue type %x", q_type); - return NOPAGE_SIGBUS; - } - - if (!mypage) { - ehca_gen_err("Invalid page adr==NULL ret=NOPAGE_SIGBUS"); - return NOPAGE_SIGBUS; + ehca_err(qp->ib_qp.device, "bad resource type=%x qp=num=%x", + rsrc_type, qp->ib_qp.qp_num); + return -EINVAL; } - get_page(mypage); - return mypage; + return 0; } -static struct vm_operations_struct ehcau_vm_ops = { - .nopage = ehca_nopage, -}; - int ehca_mmap(struct ib_ucontext *context, struct vm_area_struct *vma) { u64 fileoffset = vma->vm_pgoff << PAGE_SHIFT; @@ -175,7 +253,6 @@ int ehca_mmap(struct ib_ucontext *context, struct vm_area_struct *vma) u32 rsrc_type = (fileoffset >> 24) & 0xF; /* sq,rq,cmnd_window */ u32 cur_pid = current->tgid; u32 ret; - u64 vsize, physical; unsigned long flags; struct ehca_cq *cq; struct ehca_qp *qp; @@ -201,44 +278,12 @@ int ehca_mmap(struct ib_ucontext *context, struct vm_area_struct *vma) if (!cq->ib_cq.uobject || cq->ib_cq.uobject->context != context) return -EINVAL; - switch (rsrc_type) { - case 1: /* galpa fw handle */ - ehca_dbg(cq->ib_cq.device, "cq=%p cq triggerarea", cq); - vma->vm_flags |= VM_RESERVED; - vsize = vma->vm_end - vma->vm_start; - if (vsize != EHCA_PAGESIZE) { - ehca_err(cq->ib_cq.device, "invalid vsize=%lx", - vma->vm_end - vma->vm_start); - return -EINVAL; - } - - physical = cq->galpas.user.fw_handle; - vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); - vma->vm_flags |= VM_IO | VM_RESERVED; - - ehca_dbg(cq->ib_cq.device, - "vsize=%lx physical=%lx", vsize, physical); - ret = remap_pfn_range(vma, vma->vm_start, - physical >> PAGE_SHIFT, vsize, - vma->vm_page_prot); - if (ret) { - ehca_err(cq->ib_cq.device, - "remap_pfn_range() failed ret=%x", - ret); - return -ENOMEM; - } - break; - - case 2: /* cq queue_addr */ - ehca_dbg(cq->ib_cq.device, "cq=%p cq q_addr", cq); - vma->vm_flags |= VM_RESERVED; - vma->vm_ops = &ehcau_vm_ops; - break; - - default: - ehca_err(cq->ib_cq.device, "bad resource type %x", - rsrc_type); - return -EINVAL; + ret = ehca_mmap_cq(vma, cq, rsrc_type); + if (unlikely(ret)) { + ehca_err(cq->ib_cq.device, + "ehca_mmap_cq() failed rc=%x cq_num=%x", + ret, cq->cq_number); + return ret; } break; @@ -262,50 +307,12 @@ int ehca_mmap(struct ib_ucontext *context, struct vm_area_struct *vma) if (!qp->ib_qp.uobject || qp->ib_qp.uobject->context != context) return -EINVAL; - switch (rsrc_type) { - case 1: /* galpa fw handle */ - ehca_dbg(qp->ib_qp.device, "qp=%p qp triggerarea", qp); - vma->vm_flags |= VM_RESERVED; - vsize = vma->vm_end - vma->vm_start; - if (vsize != EHCA_PAGESIZE) { - ehca_err(qp->ib_qp.device, "invalid vsize=%lx", - vma->vm_end - vma->vm_start); - return -EINVAL; - } - - physical = qp->galpas.user.fw_handle; - vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); - vma->vm_flags |= VM_IO | VM_RESERVED; - - ehca_dbg(qp->ib_qp.device, "vsize=%lx physical=%lx", - vsize, physical); - ret = remap_pfn_range(vma, vma->vm_start, - physical >> PAGE_SHIFT, vsize, - vma->vm_page_prot); - if (ret) { - ehca_err(qp->ib_qp.device, - "remap_pfn_range() failed ret=%x", - ret); - return -ENOMEM; - } - break; - - case 2: /* qp rqueue_addr */ - ehca_dbg(qp->ib_qp.device, "qp=%p qp rqueue_addr", qp); - vma->vm_flags |= VM_RESERVED; - vma->vm_ops = &ehcau_vm_ops; - break; - - case 3: /* qp squeue_addr */ - ehca_dbg(qp->ib_qp.device, "qp=%p qp squeue_addr", qp); - vma->vm_flags |= VM_RESERVED; - vma->vm_ops = &ehcau_vm_ops; - break; - - default: - ehca_err(qp->ib_qp.device, "bad resource type %x", - rsrc_type); - return -EINVAL; + ret = ehca_mmap_qp(vma, qp, rsrc_type); + if (unlikely(ret)) { + ehca_err(qp->ib_qp.device, + "ehca_mmap_qp() failed rc=%x qp_num=%x", + ret, qp->ib_qp.qp_num); + return ret; } break; @@ -316,77 +323,3 @@ int ehca_mmap(struct ib_ucontext *context, struct vm_area_struct *vma) return 0; } - -int ehca_mmap_nopage(u64 foffset, u64 length, void **mapped, - struct vm_area_struct **vma) -{ - down_write(¤t->mm->mmap_sem); - *mapped = (void*)do_mmap(NULL,0, length, PROT_WRITE, - MAP_SHARED | MAP_ANONYMOUS, - foffset); - up_write(¤t->mm->mmap_sem); - if (!(*mapped)) { - ehca_gen_err("couldn't mmap foffset=%lx length=%lx", - foffset, length); - return -EINVAL; - } - - *vma = find_vma(current->mm, (u64)*mapped); - if (!(*vma)) { - down_write(¤t->mm->mmap_sem); - do_munmap(current->mm, 0, length); - up_write(¤t->mm->mmap_sem); - ehca_gen_err("couldn't find vma queue=%p", *mapped); - return -EINVAL; - } - (*vma)->vm_flags |= VM_RESERVED; - (*vma)->vm_ops = &ehcau_vm_ops; - - return 0; -} - -int ehca_mmap_register(u64 physical, void **mapped, - struct vm_area_struct **vma) -{ - int ret; - unsigned long vsize; - /* ehca hw supports only 4k page */ - ret = ehca_mmap_nopage(0, EHCA_PAGESIZE, mapped, vma); - if (ret) { - ehca_gen_err("could'nt mmap physical=%lx", physical); - return ret; - } - - (*vma)->vm_flags |= VM_RESERVED; - vsize = (*vma)->vm_end - (*vma)->vm_start; - if (vsize != EHCA_PAGESIZE) { - ehca_gen_err("invalid vsize=%lx", - (*vma)->vm_end - (*vma)->vm_start); - return -EINVAL; - } - - (*vma)->vm_page_prot = pgprot_noncached((*vma)->vm_page_prot); - (*vma)->vm_flags |= VM_IO | VM_RESERVED; - - ret = remap_pfn_range((*vma), (*vma)->vm_start, - physical >> PAGE_SHIFT, vsize, - (*vma)->vm_page_prot); - if (ret) { - ehca_gen_err("remap_pfn_range() failed ret=%x", ret); - return -ENOMEM; - } - - return 0; - -} - -int ehca_munmap(unsigned long addr, size_t len) { - int ret = 0; - struct mm_struct *mm = current->mm; - if (mm) { - down_write(&mm->mmap_sem); - ret = do_munmap(mm, addr, len); - up_write(&mm->mmap_sem); - } - return ret; -} diff --git a/drivers/infiniband/hw/ipath/ipath_qp.c b/drivers/infiniband/hw/ipath/ipath_qp.c index 46c1c89bf6a..64f07b19349 100644 --- a/drivers/infiniband/hw/ipath/ipath_qp.c +++ b/drivers/infiniband/hw/ipath/ipath_qp.c @@ -379,7 +379,7 @@ void ipath_error_qp(struct ipath_qp *qp, enum ib_wc_status err) wc.vendor_err = 0; wc.byte_len = 0; wc.imm_data = 0; - wc.qp_num = qp->ibqp.qp_num; + wc.qp = &qp->ibqp; wc.src_qp = 0; wc.wc_flags = 0; wc.pkey_index = 0; diff --git a/drivers/infiniband/hw/ipath/ipath_rc.c b/drivers/infiniband/hw/ipath/ipath_rc.c index ce6038743c5..5ff20cb0449 100644 --- a/drivers/infiniband/hw/ipath/ipath_rc.c +++ b/drivers/infiniband/hw/ipath/ipath_rc.c @@ -702,7 +702,7 @@ void ipath_restart_rc(struct ipath_qp *qp, u32 psn, struct ib_wc *wc) wc->opcode = ib_ipath_wc_opcode[wqe->wr.opcode]; wc->vendor_err = 0; wc->byte_len = 0; - wc->qp_num = qp->ibqp.qp_num; + wc->qp = &qp->ibqp; wc->src_qp = qp->remote_qpn; wc->pkey_index = 0; wc->slid = qp->remote_ah_attr.dlid; @@ -836,7 +836,7 @@ static int do_rc_ack(struct ipath_qp *qp, u32 aeth, u32 psn, int opcode) wc.opcode = ib_ipath_wc_opcode[wqe->wr.opcode]; wc.vendor_err = 0; wc.byte_len = wqe->length; - wc.qp_num = qp->ibqp.qp_num; + wc.qp = &qp->ibqp; wc.src_qp = qp->remote_qpn; wc.pkey_index = 0; wc.slid = qp->remote_ah_attr.dlid; @@ -951,7 +951,7 @@ static int do_rc_ack(struct ipath_qp *qp, u32 aeth, u32 psn, int opcode) wc.opcode = ib_ipath_wc_opcode[wqe->wr.opcode]; wc.vendor_err = 0; wc.byte_len = 0; - wc.qp_num = qp->ibqp.qp_num; + wc.qp = &qp->ibqp; wc.src_qp = qp->remote_qpn; wc.pkey_index = 0; wc.slid = qp->remote_ah_attr.dlid; @@ -1511,7 +1511,7 @@ void ipath_rc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr, wc.status = IB_WC_SUCCESS; wc.opcode = IB_WC_RECV; wc.vendor_err = 0; - wc.qp_num = qp->ibqp.qp_num; + wc.qp = &qp->ibqp; wc.src_qp = qp->remote_qpn; wc.pkey_index = 0; wc.slid = qp->remote_ah_attr.dlid; diff --git a/drivers/infiniband/hw/ipath/ipath_ruc.c b/drivers/infiniband/hw/ipath/ipath_ruc.c index f7530512045..e86cb171872 100644 --- a/drivers/infiniband/hw/ipath/ipath_ruc.c +++ b/drivers/infiniband/hw/ipath/ipath_ruc.c @@ -137,7 +137,7 @@ bad_lkey: wc.vendor_err = 0; wc.byte_len = 0; wc.imm_data = 0; - wc.qp_num = qp->ibqp.qp_num; + wc.qp = &qp->ibqp; wc.src_qp = 0; wc.wc_flags = 0; wc.pkey_index = 0; @@ -336,7 +336,7 @@ again: wc.opcode = ib_ipath_wc_opcode[wqe->wr.opcode]; wc.vendor_err = 0; wc.byte_len = 0; - wc.qp_num = sqp->ibqp.qp_num; + wc.qp = &sqp->ibqp; wc.src_qp = sqp->remote_qpn; wc.pkey_index = 0; wc.slid = sqp->remote_ah_attr.dlid; @@ -426,7 +426,7 @@ again: wc.status = IB_WC_SUCCESS; wc.vendor_err = 0; wc.byte_len = wqe->length; - wc.qp_num = qp->ibqp.qp_num; + wc.qp = &qp->ibqp; wc.src_qp = qp->remote_qpn; /* XXX do we know which pkey matched? Only needed for GSI. */ wc.pkey_index = 0; @@ -447,7 +447,7 @@ send_comp: wc.opcode = ib_ipath_wc_opcode[wqe->wr.opcode]; wc.vendor_err = 0; wc.byte_len = wqe->length; - wc.qp_num = sqp->ibqp.qp_num; + wc.qp = &sqp->ibqp; wc.src_qp = 0; wc.pkey_index = 0; wc.slid = 0; diff --git a/drivers/infiniband/hw/ipath/ipath_uc.c b/drivers/infiniband/hw/ipath/ipath_uc.c index e636cfd67a8..325d6634ff5 100644 --- a/drivers/infiniband/hw/ipath/ipath_uc.c +++ b/drivers/infiniband/hw/ipath/ipath_uc.c @@ -49,7 +49,7 @@ static void complete_last_send(struct ipath_qp *qp, struct ipath_swqe *wqe, wc->opcode = ib_ipath_wc_opcode[wqe->wr.opcode]; wc->vendor_err = 0; wc->byte_len = wqe->length; - wc->qp_num = qp->ibqp.qp_num; + wc->qp = &qp->ibqp; wc->src_qp = qp->remote_qpn; wc->pkey_index = 0; wc->slid = qp->remote_ah_attr.dlid; @@ -411,7 +411,7 @@ void ipath_uc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr, wc.status = IB_WC_SUCCESS; wc.opcode = IB_WC_RECV; wc.vendor_err = 0; - wc.qp_num = qp->ibqp.qp_num; + wc.qp = &qp->ibqp; wc.src_qp = qp->remote_qpn; wc.pkey_index = 0; wc.slid = qp->remote_ah_attr.dlid; diff --git a/drivers/infiniband/hw/ipath/ipath_ud.c b/drivers/infiniband/hw/ipath/ipath_ud.c index 49f1102af8b..9a3e54664ee 100644 --- a/drivers/infiniband/hw/ipath/ipath_ud.c +++ b/drivers/infiniband/hw/ipath/ipath_ud.c @@ -66,7 +66,7 @@ bad_lkey: wc.vendor_err = 0; wc.byte_len = 0; wc.imm_data = 0; - wc.qp_num = qp->ibqp.qp_num; + wc.qp = &qp->ibqp; wc.src_qp = 0; wc.wc_flags = 0; wc.pkey_index = 0; @@ -255,7 +255,7 @@ static void ipath_ud_loopback(struct ipath_qp *sqp, wc->status = IB_WC_SUCCESS; wc->opcode = IB_WC_RECV; wc->vendor_err = 0; - wc->qp_num = qp->ibqp.qp_num; + wc->qp = &qp->ibqp; wc->src_qp = sqp->ibqp.qp_num; /* XXX do we know which pkey matched? Only needed for GSI. */ wc->pkey_index = 0; @@ -474,7 +474,7 @@ done: wc.vendor_err = 0; wc.opcode = IB_WC_SEND; wc.byte_len = len; - wc.qp_num = qp->ibqp.qp_num; + wc.qp = &qp->ibqp; wc.src_qp = 0; wc.wc_flags = 0; /* XXX initialize other fields? */ @@ -651,7 +651,7 @@ void ipath_ud_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr, wc.status = IB_WC_SUCCESS; wc.opcode = IB_WC_RECV; wc.vendor_err = 0; - wc.qp_num = qp->ibqp.qp_num; + wc.qp = &qp->ibqp; wc.src_qp = src_qp; /* XXX do we know which pkey matched? Only needed for GSI. */ wc.pkey_index = 0; diff --git a/drivers/infiniband/hw/mthca/mthca_cmd.c b/drivers/infiniband/hw/mthca/mthca_cmd.c index 768df7265b8..968d1519761 100644 --- a/drivers/infiniband/hw/mthca/mthca_cmd.c +++ b/drivers/infiniband/hw/mthca/mthca_cmd.c @@ -1854,7 +1854,7 @@ int mthca_MAD_IFC(struct mthca_dev *dev, int ignore_mkey, int ignore_bkey, memset(inbox + 256, 0, 256); - MTHCA_PUT(inbox, in_wc->qp_num, MAD_IFC_MY_QPN_OFFSET); + MTHCA_PUT(inbox, in_wc->qp->qp_num, MAD_IFC_MY_QPN_OFFSET); MTHCA_PUT(inbox, in_wc->src_qp, MAD_IFC_RQPN_OFFSET); val = in_wc->sl << 4; diff --git a/drivers/infiniband/hw/mthca/mthca_cq.c b/drivers/infiniband/hw/mthca/mthca_cq.c index 1159c8a0f2c..efd79ef109a 100644 --- a/drivers/infiniband/hw/mthca/mthca_cq.c +++ b/drivers/infiniband/hw/mthca/mthca_cq.c @@ -534,7 +534,7 @@ static inline int mthca_poll_one(struct mthca_dev *dev, } } - entry->qp_num = (*cur_qp)->qpn; + entry->qp = &(*cur_qp)->ibqp; if (is_send) { wq = &(*cur_qp)->sq; diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c index 72611fd1510..5e8ac577f0a 100644 --- a/drivers/infiniband/ulp/srp/ib_srp.c +++ b/drivers/infiniband/ulp/srp/ib_srp.c @@ -548,6 +548,7 @@ static int srp_reconnect_target(struct srp_target_port *target) target->tx_head = 0; target->tx_tail = 0; + target->qp_in_error = 0; ret = srp_connect_target(target); if (ret) goto err; @@ -878,6 +879,7 @@ static void srp_completion(struct ib_cq *cq, void *target_ptr) printk(KERN_ERR PFX "failed %s status %d\n", wc.wr_id & SRP_OP_RECV ? "receive" : "send", wc.status); + target->qp_in_error = 1; break; } @@ -1337,6 +1339,8 @@ static int srp_abort(struct scsi_cmnd *scmnd) printk(KERN_ERR "SRP abort called\n"); + if (target->qp_in_error) + return FAILED; if (srp_find_req(target, scmnd, &req)) return FAILED; if (srp_send_tsk_mgmt(target, req, SRP_TSK_ABORT_TASK)) @@ -1365,6 +1369,8 @@ static int srp_reset_device(struct scsi_cmnd *scmnd) printk(KERN_ERR "SRP reset_device called\n"); + if (target->qp_in_error) + return FAILED; if (srp_find_req(target, scmnd, &req)) return FAILED; if (srp_send_tsk_mgmt(target, req, SRP_TSK_LUN_RESET)) @@ -1801,6 +1807,7 @@ static ssize_t srp_create_target(struct class_device *class_dev, goto err_free; } + target->qp_in_error = 0; ret = srp_connect_target(target); if (ret) { printk(KERN_ERR PFX "Connection failed\n"); diff --git a/drivers/infiniband/ulp/srp/ib_srp.h b/drivers/infiniband/ulp/srp/ib_srp.h index c21772317b8..2f3319c719a 100644 --- a/drivers/infiniband/ulp/srp/ib_srp.h +++ b/drivers/infiniband/ulp/srp/ib_srp.h @@ -158,6 +158,7 @@ struct srp_target_port { struct completion done; int status; enum srp_target_state state; + int qp_in_error; }; struct srp_iu { diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig index 00db31c314e..89bba277da5 100644 --- a/drivers/misc/Kconfig +++ b/drivers/misc/Kconfig @@ -69,6 +69,25 @@ config TIFM_7XX1 To compile this driver as a module, choose M here: the module will be called tifm_7xx1. +config ASUS_LAPTOP + tristate "Asus Laptop Extras (EXPERIMENTAL)" + depends on X86 + depends on ACPI + depends on EXPERIMENTAL && !ACPI_ASUS + depends on LEDS_CLASS + depends on BACKLIGHT_CLASS_DEVICE + ---help--- + This is the new Linux driver for Asus laptops. It may also support some + MEDION, JVC or VICTOR laptops. It makes all the extra buttons generate + standard ACPI events that go through /proc/acpi/events. It also adds + support for video output switching, LCD backlight control, Bluetooth and + Wlan control, and most importantly, allows you to blink those fancy LEDs. + + For more information and a userspace daemon for handling the extra + buttons see <http://acpi4asus.sf.net/>. + + If you have an ACPI-compatible ASUS laptop, say Y or M here. + config MSI_LAPTOP tristate "MSI Laptop Extras" depends on X86 diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile index c9e98ab021c..35da53c409c 100644 --- a/drivers/misc/Makefile +++ b/drivers/misc/Makefile @@ -6,6 +6,7 @@ obj- := misc.o # Dummy rule to force built-in.o to be made obj-$(CONFIG_IBM_ASM) += ibmasm/ obj-$(CONFIG_HDPU_FEATURES) += hdpuftrs/ obj-$(CONFIG_MSI_LAPTOP) += msi-laptop.o +obj-$(CONFIG_ASUS_LAPTOP) += asus-laptop.o obj-$(CONFIG_LKDTM) += lkdtm.o obj-$(CONFIG_TIFM_CORE) += tifm_core.o obj-$(CONFIG_TIFM_7XX1) += tifm_7xx1.o diff --git a/drivers/misc/asus-laptop.c b/drivers/misc/asus-laptop.c new file mode 100644 index 00000000000..861c39935f9 --- /dev/null +++ b/drivers/misc/asus-laptop.c @@ -0,0 +1,1165 @@ +/* + * asus-laptop.c - Asus Laptop Support + * + * + * Copyright (C) 2002-2005 Julien Lerouge, 2003-2006 Karol Kozimor + * Copyright (C) 2006 Corentin Chary + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * + * The development page for this driver is located at + * http://sourceforge.net/projects/acpi4asus/ + * + * Credits: + * Pontus Fuchs - Helper functions, cleanup + * Johann Wiesner - Small compile fixes + * John Belmonte - ACPI code for Toshiba laptop was a good starting point. + * Eric Burghard - LED display support for W1N + * Josh Green - Light Sens support + * Thomas Tuttle - His first patch for led support was very helpfull + * + */ + +#include <linux/autoconf.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/types.h> +#include <linux/err.h> +#include <linux/proc_fs.h> +#include <linux/backlight.h> +#include <linux/fb.h> +#include <linux/leds.h> +#include <linux/platform_device.h> +#include <acpi/acpi_drivers.h> +#include <acpi/acpi_bus.h> +#include <asm/uaccess.h> + +#define ASUS_LAPTOP_VERSION "0.40" + +#define ASUS_HOTK_NAME "Asus Laptop Support" +#define ASUS_HOTK_CLASS "hotkey" +#define ASUS_HOTK_DEVICE_NAME "Hotkey" +#define ASUS_HOTK_HID "ATK0100" +#define ASUS_HOTK_FILE "asus-laptop" +#define ASUS_HOTK_PREFIX "\\_SB.ATKD." + +/* + * Some events we use, same for all Asus + */ +#define ATKD_BR_UP 0x10 +#define ATKD_BR_DOWN 0x20 +#define ATKD_LCD_ON 0x33 +#define ATKD_LCD_OFF 0x34 + +/* + * Known bits returned by \_SB.ATKD.HWRS + */ +#define WL_HWRS 0x80 +#define BT_HWRS 0x100 + +/* + * Flags for hotk status + * WL_ON and BT_ON are also used for wireless_status() + */ +#define WL_ON 0x01 //internal Wifi +#define BT_ON 0x02 //internal Bluetooth +#define MLED_ON 0x04 //mail LED +#define TLED_ON 0x08 //touchpad LED +#define RLED_ON 0x10 //Record LED +#define PLED_ON 0x20 //Phone LED +#define LCD_ON 0x40 //LCD backlight + +#define ASUS_LOG ASUS_HOTK_FILE ": " +#define ASUS_ERR KERN_ERR ASUS_LOG +#define ASUS_WARNING KERN_WARNING ASUS_LOG +#define ASUS_NOTICE KERN_NOTICE ASUS_LOG +#define ASUS_INFO KERN_INFO ASUS_LOG +#define ASUS_DEBUG KERN_DEBUG ASUS_LOG + +MODULE_AUTHOR("Julien Lerouge, Karol Kozimor, Corentin Chary"); +MODULE_DESCRIPTION(ASUS_HOTK_NAME); +MODULE_LICENSE("GPL"); + +#define ASUS_HANDLE(object, paths...) \ + static acpi_handle object##_handle = NULL; \ + static char *object##_paths[] = { paths } + +/* LED */ +ASUS_HANDLE(mled_set, ASUS_HOTK_PREFIX "MLED"); +ASUS_HANDLE(tled_set, ASUS_HOTK_PREFIX "TLED"); +ASUS_HANDLE(rled_set, ASUS_HOTK_PREFIX "RLED"); /* W1JC */ +ASUS_HANDLE(pled_set, ASUS_HOTK_PREFIX "PLED"); /* A7J */ + +/* LEDD */ +ASUS_HANDLE(ledd_set, ASUS_HOTK_PREFIX "SLCM"); + +/* Bluetooth and WLAN + * WLED and BLED are not handled like other XLED, because in some dsdt + * they also control the WLAN/Bluetooth device. + */ +ASUS_HANDLE(wl_switch, ASUS_HOTK_PREFIX "WLED"); +ASUS_HANDLE(bt_switch, ASUS_HOTK_PREFIX "BLED"); +ASUS_HANDLE(wireless_status, ASUS_HOTK_PREFIX "RSTS"); /* All new models */ + +/* Brightness */ +ASUS_HANDLE(brightness_set, ASUS_HOTK_PREFIX "SPLV"); +ASUS_HANDLE(brightness_get, ASUS_HOTK_PREFIX "GPLV"); + +/* Backlight */ +ASUS_HANDLE(lcd_switch, "\\_SB.PCI0.SBRG.EC0._Q10", /* All new models */ + "\\_SB.PCI0.ISA.EC0._Q10", /* A1x */ + "\\_SB.PCI0.PX40.ECD0._Q10", /* L3C */ + "\\_SB.PCI0.PX40.EC0.Q10", /* M1A */ + "\\_SB.PCI0.LPCB.EC0._Q10", /* P30 */ + "\\_SB.PCI0.PX40.Q10", /* S1x */ + "\\Q10"); /* A2x, L2D, L3D, M2E */ + +/* Display */ +ASUS_HANDLE(display_set, ASUS_HOTK_PREFIX "SDSP"); +ASUS_HANDLE(display_get, "\\_SB.PCI0.P0P1.VGA.GETD", /* A6B, A6K A6R A7D F3JM L4R M6R A3G + M6A M6V VX-1 V6J V6V W3Z */ + "\\_SB.PCI0.P0P2.VGA.GETD", /* A3E A4K, A4D A4L A6J A7J A8J Z71V M9V + S5A M5A z33A W1Jc W2V */ + "\\_SB.PCI0.P0P3.VGA.GETD", /* A6V A6Q */ + "\\_SB.PCI0.P0PA.VGA.GETD", /* A6T, A6M */ + "\\_SB.PCI0.PCI1.VGAC.NMAP", /* L3C */ + "\\_SB.PCI0.VGA.GETD", /* Z96F */ + "\\ACTD", /* A2D */ + "\\ADVG", /* A4G Z71A W1N W5A W5F M2N M3N M5N M6N S1N S5N */ + "\\DNXT", /* P30 */ + "\\INFB", /* A2H D1 L2D L3D L3H L2E L5D L5C M1A M2E L4L W3V */ + "\\SSTE"); /* A3F A6F A3N A3L M6N W3N W6A */ + +ASUS_HANDLE(ls_switch, ASUS_HOTK_PREFIX "ALSC"); /* Z71A Z71V */ +ASUS_HANDLE(ls_level, ASUS_HOTK_PREFIX "ALSL"); /* Z71A Z71V */ + +/* + * This is the main structure, we can use it to store anything interesting + * about the hotk device + */ +struct asus_hotk { + char *name; //laptop name + struct acpi_device *device; //the device we are in + acpi_handle handle; //the handle of the hotk device + char status; //status of the hotk, for LEDs, ... + u32 ledd_status; //status of the LED display + u8 light_level; //light sensor level + u8 light_switch; //light sensor switch value + u16 event_count[128]; //count for each event TODO make this better +}; + +/* + * This header is made available to allow proper configuration given model, + * revision number , ... this info cannot go in struct asus_hotk because it is + * available before the hotk + */ +static struct acpi_table_header *asus_info; + +/* The actual device the driver binds to */ +static struct asus_hotk *hotk; + +/* + * The hotkey driver declaration + */ +static int asus_hotk_add(struct acpi_device *device); +static int asus_hotk_remove(struct acpi_device *device, int type); +static struct acpi_driver asus_hotk_driver = { + .name = ASUS_HOTK_NAME, + .class = ASUS_HOTK_CLASS, + .ids = ASUS_HOTK_HID, + .ops = { + .add = asus_hotk_add, + .remove = asus_hotk_remove, + }, +}; + +/* The backlight device /sys/class/backlight */ +static struct backlight_device *asus_backlight_device; + +/* + * The backlight class declaration + */ +static int read_brightness(struct backlight_device *bd); +static int update_bl_status(struct backlight_device *bd); +static struct backlight_properties asusbl_data = { + .owner = THIS_MODULE, + .get_brightness = read_brightness, + .update_status = update_bl_status, + .max_brightness = 15, +}; + +/* These functions actually update the LED's, and are called from a + * workqueue. By doing this as separate work rather than when the LED + * subsystem asks, we avoid messing with the Asus ACPI stuff during a + * potentially bad time, such as a timer interrupt. */ +static struct workqueue_struct *led_workqueue; + +#define ASUS_LED(object, ledname) \ + static void object##_led_set(struct led_classdev *led_cdev, \ + enum led_brightness value); \ + static void object##_led_update(struct work_struct *ignored); \ + static int object##_led_wk; \ + DECLARE_WORK(object##_led_work, object##_led_update); \ + static struct led_classdev object##_led = { \ + .name = "asus:" ledname, \ + .brightness_set = object##_led_set, \ + } + +ASUS_LED(mled, "mail"); +ASUS_LED(tled, "touchpad"); +ASUS_LED(rled, "record"); +ASUS_LED(pled, "phone"); + +/* + * This function evaluates an ACPI method, given an int as parameter, the + * method is searched within the scope of the handle, can be NULL. The output + * of the method is written is output, which can also be NULL + * + * returns 1 if write is successful, 0 else. + */ +static int write_acpi_int(acpi_handle handle, const char *method, int val, + struct acpi_buffer *output) +{ + struct acpi_object_list params; //list of input parameters (an int here) + union acpi_object in_obj; //the only param we use + acpi_status status; + + params.count = 1; + params.pointer = &in_obj; + in_obj.type = ACPI_TYPE_INTEGER; + in_obj.integer.value = val; + + status = acpi_evaluate_object(handle, (char *)method, ¶ms, output); + return (status == AE_OK); +} + +static int read_acpi_int(acpi_handle handle, const char *method, int *val, + struct acpi_object_list *params) +{ + struct acpi_buffer output; + union acpi_object out_obj; + acpi_status status; + + output.length = sizeof(out_obj); + output.pointer = &out_obj; + + status = acpi_evaluate_object(handle, (char *)method, params, &output); + *val = out_obj.integer.value; + return (status == AE_OK) && (out_obj.type == ACPI_TYPE_INTEGER); +} + +static int read_wireless_status(int mask) +{ + int status; + + if (!wireless_status_handle) + return (hotk->status & mask) ? 1 : 0; + + if (read_acpi_int(wireless_status_handle, NULL, &status, NULL)) { + return (status & mask) ? 1 : 0; + } else + printk(ASUS_WARNING "Error reading Wireless status\n"); + + return (hotk->status & mask) ? 1 : 0; +} + +/* Generic LED functions */ +static int read_status(int mask) +{ + /* There is a special method for both wireless devices */ + if (mask == BT_ON || mask == WL_ON) + return read_wireless_status(mask); + + return (hotk->status & mask) ? 1 : 0; +} + +static void write_status(acpi_handle handle, int out, int mask, int invert) +{ + hotk->status = (out) ? (hotk->status | mask) : (hotk->status & ~mask); + + if (invert) /* invert target value */ + out = !out & 0x1; + + if (handle && !write_acpi_int(handle, NULL, out, NULL)) + printk(ASUS_WARNING " write failed\n"); +} + +/* /sys/class/led handlers */ +#define ASUS_LED_HANDLER(object, mask, invert) \ + static void object##_led_set(struct led_classdev *led_cdev, \ + enum led_brightness value) \ + { \ + object##_led_wk = value; \ + queue_work(led_workqueue, &object##_led_work); \ + } \ + static void object##_led_update(struct work_struct *ignored) \ + { \ + int value = object##_led_wk; \ + write_status(object##_set_handle, value, (mask), (invert)); \ + } + +ASUS_LED_HANDLER(mled, MLED_ON, 1); +ASUS_LED_HANDLER(pled, PLED_ON, 0); +ASUS_LED_HANDLER(rled, RLED_ON, 0); +ASUS_LED_HANDLER(tled, TLED_ON, 0); + +static int get_lcd_state(void) +{ + return read_status(LCD_ON); +} + +static int set_lcd_state(int value) +{ + int lcd = 0; + acpi_status status = 0; + + lcd = value ? 1 : 0; + + if (lcd == get_lcd_state()) + return 0; + + if (lcd_switch_handle) { + status = acpi_evaluate_object(lcd_switch_handle, + NULL, NULL, NULL); + + if (ACPI_FAILURE(status)) + printk(ASUS_WARNING "Error switching LCD\n"); + } + + write_status(NULL, lcd, LCD_ON, 0); + return 0; +} + +static void lcd_blank(int blank) +{ + struct backlight_device *bd = asus_backlight_device; + + if (bd) { + down(&bd->sem); + if (likely(bd->props)) { + bd->props->power = blank; + if (likely(bd->props->update_status)) + bd->props->update_status(bd); + } + up(&bd->sem); + } +} + +static int read_brightness(struct backlight_device *bd) +{ + int value; + + if (!read_acpi_int(brightness_get_handle, NULL, &value, NULL)) + printk(ASUS_WARNING "Error reading brightness\n"); + + return value; +} + +static int set_brightness(struct backlight_device *bd, int value) +{ + int ret = 0; + + value = (0 < value) ? ((15 < value) ? 15 : value) : 0; + /* 0 <= value <= 15 */ + + if (!write_acpi_int(brightness_set_handle, NULL, value, NULL)) { + printk(ASUS_WARNING "Error changing brightness\n"); + ret = -EIO; + } + + return ret; +} + +static int update_bl_status(struct backlight_device *bd) +{ + int rv; + int value = bd->props->brightness; + + rv = set_brightness(bd, value); + if (rv) + return rv; + + value = (bd->props->power == FB_BLANK_UNBLANK) ? 1 : 0; + return set_lcd_state(value); +} + +/* + * Platform device handlers + */ + +/* + * We write our info in page, we begin at offset off and cannot write more + * than count bytes. We set eof to 1 if we handle those 2 values. We return the + * number of bytes written in page + */ +static ssize_t show_infos(struct device *dev, + struct device_attribute *attr, char *page) +{ + int len = 0; + int temp; + char buf[16]; //enough for all info + /* + * We use the easy way, we don't care of off and count, so we don't set eof + * to 1 + */ + + len += sprintf(page, ASUS_HOTK_NAME " " ASUS_LAPTOP_VERSION "\n"); + len += sprintf(page + len, "Model reference : %s\n", hotk->name); + /* + * The SFUN method probably allows the original driver to get the list + * of features supported by a given model. For now, 0x0100 or 0x0800 + * bit signifies that the laptop is equipped with a Wi-Fi MiniPCI card. + * The significance of others is yet to be found. + */ + if (read_acpi_int(hotk->handle, "SFUN", &temp, NULL)) + len += + sprintf(page + len, "SFUN value : 0x%04x\n", temp); + /* + * Another value for userspace: the ASYM method returns 0x02 for + * battery low and 0x04 for battery critical, its readings tend to be + * more accurate than those provided by _BST. + * Note: since not all the laptops provide this method, errors are + * silently ignored. + */ + if (read_acpi_int(hotk->handle, "ASYM", &temp, NULL)) + len += + sprintf(page + len, "ASYM value : 0x%04x\n", temp); + if (asus_info) { + snprintf(buf, 16, "%d", asus_info->length); + len += sprintf(page + len, "DSDT length : %s\n", buf); + snprintf(buf, 16, "%d", asus_info->checksum); + len += sprintf(page + len, "DSDT checksum : %s\n", buf); + snprintf(buf, 16, "%d", asus_info->revision); + len += sprintf(page + len, "DSDT revision : %s\n", buf); + snprintf(buf, 7, "%s", asus_info->oem_id); + len += sprintf(page + len, "OEM id : %s\n", buf); + snprintf(buf, 9, "%s", asus_info->oem_table_id); + len += sprintf(page + len, "OEM table id : %s\n", buf); + snprintf(buf, 16, "%x", asus_info->oem_revision); + len += sprintf(page + len, "OEM revision : 0x%s\n", buf); + snprintf(buf, 5, "%s", asus_info->asl_compiler_id); + len += sprintf(page + len, "ASL comp vendor id : %s\n", buf); + snprintf(buf, 16, "%x", asus_info->asl_compiler_revision); + len += sprintf(page + len, "ASL comp revision : 0x%s\n", buf); + } + + return len; +} + +static int parse_arg(const char *buf, unsigned long count, int *val) +{ + if (!count) + return 0; + if (count > 31) + return -EINVAL; + if (sscanf(buf, "%i", val) != 1) + return -EINVAL; + return count; +} + +static ssize_t store_status(const char *buf, size_t count, + acpi_handle handle, int mask, int invert) +{ + int rv, value; + int out = 0; + + rv = parse_arg(buf, count, &value); + if (rv > 0) + out = value ? 1 : 0; + + write_status(handle, out, mask, invert); + + return rv; +} + +/* + * LEDD display + */ +static ssize_t show_ledd(struct device *dev, + struct device_attribute *attr, char *buf) +{ + return sprintf(buf, "0x%08x\n", hotk->ledd_status); +} + +static ssize_t store_ledd(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + int rv, value; + + rv = parse_arg(buf, count, &value); + if (rv > 0) { + if (!write_acpi_int(ledd_set_handle, NULL, value, NULL)) + printk(ASUS_WARNING "LED display write failed\n"); + else + hotk->ledd_status = (u32) value; + } + return rv; +} + +/* + * WLAN + */ +static ssize_t show_wlan(struct device *dev, + struct device_attribute *attr, char *buf) +{ + return sprintf(buf, "%d\n", read_status(WL_ON)); +} + +static ssize_t store_wlan(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + return store_status(buf, count, wl_switch_handle, WL_ON, 0); +} + +/* + * Bluetooth + */ +static ssize_t show_bluetooth(struct device *dev, + struct device_attribute *attr, char *buf) +{ + return sprintf(buf, "%d\n", read_status(BT_ON)); +} + +static ssize_t store_bluetooth(struct device *dev, + struct device_attribute *attr, const char *buf, + size_t count) +{ + return store_status(buf, count, bt_switch_handle, BT_ON, 0); +} + +/* + * Display + */ +static void set_display(int value) +{ + /* no sanity check needed for now */ + if (!write_acpi_int(display_set_handle, NULL, value, NULL)) + printk(ASUS_WARNING "Error setting display\n"); + return; +} + +static int read_display(void) +{ + int value = 0; + + /* In most of the case, we know how to set the display, but sometime + we can't read it */ + if (display_get_handle) { + if (!read_acpi_int(display_get_handle, NULL, &value, NULL)) + printk(ASUS_WARNING "Error reading display status\n"); + } + + value &= 0x0F; /* needed for some models, shouldn't hurt others */ + + return value; +} + +/* + * Now, *this* one could be more user-friendly, but so far, no-one has + * complained. The significance of bits is the same as in store_disp() + */ +static ssize_t show_disp(struct device *dev, + struct device_attribute *attr, char *buf) +{ + return sprintf(buf, "%d\n", read_display()); +} + +/* + * Experimental support for display switching. As of now: 1 should activate + * the LCD output, 2 should do for CRT, 4 for TV-Out and 8 for DVI. + * Any combination (bitwise) of these will suffice. I never actually tested 4 + * displays hooked up simultaneously, so be warned. See the acpi4asus README + * for more info. + */ +static ssize_t store_disp(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + int rv, value; + + rv = parse_arg(buf, count, &value); + if (rv > 0) + set_display(value); + return rv; +} + +/* + * Light Sens + */ +static void set_light_sens_switch(int value) +{ + if (!write_acpi_int(ls_switch_handle, NULL, value, NULL)) + printk(ASUS_WARNING "Error setting light sensor switch\n"); + hotk->light_switch = value; +} + +static ssize_t show_lssw(struct device *dev, + struct device_attribute *attr, char *buf) +{ + return sprintf(buf, "%d\n", hotk->light_switch); +} + +static ssize_t store_lssw(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + int rv, value; + + rv = parse_arg(buf, count, &value); + if (rv > 0) + set_light_sens_switch(value ? 1 : 0); + + return rv; +} + +static void set_light_sens_level(int value) +{ + if (!write_acpi_int(ls_level_handle, NULL, value, NULL)) + printk(ASUS_WARNING "Error setting light sensor level\n"); + hotk->light_level = value; +} + +static ssize_t show_lslvl(struct device *dev, + struct device_attribute *attr, char *buf) +{ + return sprintf(buf, "%d\n", hotk->light_level); +} + +static ssize_t store_lslvl(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + int rv, value; + + rv = parse_arg(buf, count, &value); + if (rv > 0) { + value = (0 < value) ? ((15 < value) ? 15 : value) : 0; + /* 0 <= value <= 15 */ + set_light_sens_level(value); + } + + return rv; +} + +static void asus_hotk_notify(acpi_handle handle, u32 event, void *data) +{ + /* TODO Find a better way to handle events count. */ + if (!hotk) + return; + + /* + * We need to tell the backlight device when the backlight power is + * switched + */ + if (event == ATKD_LCD_ON) { + write_status(NULL, 1, LCD_ON, 0); + lcd_blank(FB_BLANK_UNBLANK); + } else if (event == ATKD_LCD_OFF) { + write_status(NULL, 0, LCD_ON, 0); + lcd_blank(FB_BLANK_POWERDOWN); + } + + acpi_bus_generate_event(hotk->device, event, + hotk->event_count[event % 128]++); + + return; +} + +#define ASUS_CREATE_DEVICE_ATTR(_name) \ + struct device_attribute dev_attr_##_name = { \ + .attr = { \ + .name = __stringify(_name), \ + .mode = 0, \ + .owner = THIS_MODULE }, \ + .show = NULL, \ + .store = NULL, \ + } + +#define ASUS_SET_DEVICE_ATTR(_name, _mode, _show, _store) \ + do { \ + dev_attr_##_name.attr.mode = _mode; \ + dev_attr_##_name.show = _show; \ + dev_attr_##_name.store = _store; \ + } while(0) + +static ASUS_CREATE_DEVICE_ATTR(infos); +static ASUS_CREATE_DEVICE_ATTR(wlan); +static ASUS_CREATE_DEVICE_ATTR(bluetooth); +static ASUS_CREATE_DEVICE_ATTR(display); +static ASUS_CREATE_DEVICE_ATTR(ledd); +static ASUS_CREATE_DEVICE_ATTR(ls_switch); +static ASUS_CREATE_DEVICE_ATTR(ls_level); + +static struct attribute *asuspf_attributes[] = { + &dev_attr_infos.attr, + &dev_attr_wlan.attr, + &dev_attr_bluetooth.attr, + &dev_attr_display.attr, + &dev_attr_ledd.attr, + &dev_attr_ls_switch.attr, + &dev_attr_ls_level.attr, + NULL +}; + +static struct attribute_group asuspf_attribute_group = { + .attrs = asuspf_attributes +}; + +static struct platform_driver asuspf_driver = { + .driver = { + .name = ASUS_HOTK_FILE, + .owner = THIS_MODULE, + } +}; + +static struct platform_device *asuspf_device; + +static void asus_hotk_add_fs(void) +{ + ASUS_SET_DEVICE_ATTR(infos, 0444, show_infos, NULL); + + if (wl_switch_handle) + ASUS_SET_DEVICE_ATTR(wlan, 0644, show_wlan, store_wlan); + + if (bt_switch_handle) + ASUS_SET_DEVICE_ATTR(bluetooth, 0644, + show_bluetooth, store_bluetooth); + + if (display_set_handle && display_get_handle) + ASUS_SET_DEVICE_ATTR(display, 0644, show_disp, store_disp); + else if (display_set_handle) + ASUS_SET_DEVICE_ATTR(display, 0200, NULL, store_disp); + + if (ledd_set_handle) + ASUS_SET_DEVICE_ATTR(ledd, 0644, show_ledd, store_ledd); + + if (ls_switch_handle && ls_level_handle) { + ASUS_SET_DEVICE_ATTR(ls_level, 0644, show_lslvl, store_lslvl); + ASUS_SET_DEVICE_ATTR(ls_switch, 0644, show_lssw, store_lssw); + } +} + +static int asus_handle_init(char *name, acpi_handle * handle, + char **paths, int num_paths) +{ + int i; + acpi_status status; + + for (i = 0; i < num_paths; i++) { + status = acpi_get_handle(NULL, paths[i], handle); + if (ACPI_SUCCESS(status)) + return 0; + } + + *handle = NULL; + return -ENODEV; +} + +#define ASUS_HANDLE_INIT(object) \ + asus_handle_init(#object, &object##_handle, object##_paths, \ + ARRAY_SIZE(object##_paths)) + +/* + * This function is used to initialize the hotk with right values. In this + * method, we can make all the detection we want, and modify the hotk struct + */ +static int asus_hotk_get_info(void) +{ + struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; + union acpi_object *model = NULL; + int bsts_result, hwrs_result; + char *string = NULL; + acpi_status status; + + /* + * Get DSDT headers early enough to allow for differentiating between + * models, but late enough to allow acpi_bus_register_driver() to fail + * before doing anything ACPI-specific. Should we encounter a machine, + * which needs special handling (i.e. its hotkey device has a different + * HID), this bit will be moved. A global variable asus_info contains + * the DSDT header. + */ + status = acpi_get_table(ACPI_SIG_DSDT, 1, &asus_info); + if (ACPI_FAILURE(status)) + printk(ASUS_WARNING "Couldn't get the DSDT table header\n"); + + /* We have to write 0 on init this far for all ASUS models */ + if (!write_acpi_int(hotk->handle, "INIT", 0, &buffer)) { + printk(ASUS_ERR "Hotkey initialization failed\n"); + return -ENODEV; + } + + /* This needs to be called for some laptops to init properly */ + if (!read_acpi_int(hotk->handle, "BSTS", &bsts_result, NULL)) + printk(ASUS_WARNING "Error calling BSTS\n"); + else if (bsts_result) + printk(ASUS_NOTICE "BSTS called, 0x%02x returned\n", + bsts_result); + + /* + * Try to match the object returned by INIT to the specific model. + * Handle every possible object (or the lack of thereof) the DSDT + * writers might throw at us. When in trouble, we pass NULL to + * asus_model_match() and try something completely different. + */ + if (buffer.pointer) { + model = buffer.pointer; + switch (model->type) { + case ACPI_TYPE_STRING: + string = model->string.pointer; + break; + case ACPI_TYPE_BUFFER: + string = model->buffer.pointer; + break; + default: + string = ""; + break; + } + } + hotk->name = kstrdup(string, GFP_KERNEL); + if (!hotk->name) + return -ENOMEM; + + if (*string) + printk(ASUS_NOTICE " %s model detected\n", string); + + ASUS_HANDLE_INIT(mled_set); + ASUS_HANDLE_INIT(tled_set); + ASUS_HANDLE_INIT(rled_set); + ASUS_HANDLE_INIT(pled_set); + + ASUS_HANDLE_INIT(ledd_set); + + /* + * The HWRS method return informations about the hardware. + * 0x80 bit is for WLAN, 0x100 for Bluetooth. + * The significance of others is yet to be found. + * If we don't find the method, we assume the device are present. + */ + if (!read_acpi_int(hotk->handle, "HRWS", &hwrs_result, NULL)) + hwrs_result = WL_HWRS | BT_HWRS; + + if (hwrs_result & WL_HWRS) + ASUS_HANDLE_INIT(wl_switch); + if (hwrs_result & BT_HWRS) + ASUS_HANDLE_INIT(bt_switch); + + ASUS_HANDLE_INIT(wireless_status); + + ASUS_HANDLE_INIT(brightness_set); + ASUS_HANDLE_INIT(brightness_get); + + ASUS_HANDLE_INIT(lcd_switch); + + ASUS_HANDLE_INIT(display_set); + ASUS_HANDLE_INIT(display_get); + + /* There is a lot of models with "ALSL", but a few get + a real light sens, so we need to check it. */ + if (ASUS_HANDLE_INIT(ls_switch)) + ASUS_HANDLE_INIT(ls_level); + + kfree(model); + + return AE_OK; +} + +static int asus_hotk_check(void) +{ + int result = 0; + + result = acpi_bus_get_status(hotk->device); + if (result) + return result; + + if (hotk->device->status.present) { + result = asus_hotk_get_info(); + } else { + printk(ASUS_ERR "Hotkey device not present, aborting\n"); + return -EINVAL; + } + + return result; +} + +static int asus_hotk_found; + +static int asus_hotk_add(struct acpi_device *device) +{ + acpi_status status = AE_OK; + int result; + + if (!device) + return -EINVAL; + + printk(ASUS_NOTICE "Asus Laptop Support version %s\n", + ASUS_LAPTOP_VERSION); + + hotk = kmalloc(sizeof(struct asus_hotk), GFP_KERNEL); + if (!hotk) + return -ENOMEM; + memset(hotk, 0, sizeof(struct asus_hotk)); + + hotk->handle = device->handle; + strcpy(acpi_device_name(device), ASUS_HOTK_DEVICE_NAME); + strcpy(acpi_device_class(device), ASUS_HOTK_CLASS); + acpi_driver_data(device) = hotk; + hotk->device = device; + + result = asus_hotk_check(); + if (result) + goto end; + + asus_hotk_add_fs(); + + /* + * We install the handler, it will receive the hotk in parameter, so, we + * could add other data to the hotk struct + */ + status = acpi_install_notify_handler(hotk->handle, ACPI_SYSTEM_NOTIFY, + asus_hotk_notify, hotk); + if (ACPI_FAILURE(status)) + printk(ASUS_ERR "Error installing notify handler\n"); + + asus_hotk_found = 1; + + /* WLED and BLED are on by default */ + write_status(bt_switch_handle, 1, BT_ON, 0); + write_status(wl_switch_handle, 1, WL_ON, 0); + + /* LCD Backlight is on by default */ + write_status(NULL, 1, LCD_ON, 0); + + /* LED display is off by default */ + hotk->ledd_status = 0xFFF; + + /* Set initial values of light sensor and level */ + hotk->light_switch = 1; /* Default to light sensor disabled */ + hotk->light_level = 0; /* level 5 for sensor sensitivity */ + + if (ls_switch_handle) + set_light_sens_switch(hotk->light_switch); + + if (ls_level_handle) + set_light_sens_level(hotk->light_level); + + end: + if (result) { + kfree(hotk->name); + kfree(hotk); + } + + return result; +} + +static int asus_hotk_remove(struct acpi_device *device, int type) +{ + acpi_status status = 0; + + if (!device || !acpi_driver_data(device)) + return -EINVAL; + + status = acpi_remove_notify_handler(hotk->handle, ACPI_SYSTEM_NOTIFY, + asus_hotk_notify); + if (ACPI_FAILURE(status)) + printk(ASUS_ERR "Error removing notify handler\n"); + + kfree(hotk->name); + kfree(hotk); + + return 0; +} + +static void asus_backlight_exit(void) +{ + if (asus_backlight_device) + backlight_device_unregister(asus_backlight_device); +} + +#define ASUS_LED_UNREGISTER(object) \ + if(object##_led.class_dev \ + && !IS_ERR(object##_led.class_dev)) \ + led_classdev_unregister(&object##_led) + +static void asus_led_exit(void) +{ + ASUS_LED_UNREGISTER(mled); + ASUS_LED_UNREGISTER(tled); + ASUS_LED_UNREGISTER(pled); + ASUS_LED_UNREGISTER(rled); + + destroy_workqueue(led_workqueue); +} + +static void __exit asus_laptop_exit(void) +{ + asus_backlight_exit(); + asus_led_exit(); + + acpi_bus_unregister_driver(&asus_hotk_driver); + sysfs_remove_group(&asuspf_device->dev.kobj, &asuspf_attribute_group); + platform_device_unregister(asuspf_device); + platform_driver_unregister(&asuspf_driver); +} + +static int asus_backlight_init(struct device *dev) +{ + struct backlight_device *bd; + + if (brightness_set_handle && lcd_switch_handle) { + bd = backlight_device_register(ASUS_HOTK_FILE, dev, + NULL, &asusbl_data); + if (IS_ERR(bd)) { + printk(ASUS_ERR + "Could not register asus backlight device\n"); + asus_backlight_device = NULL; + return PTR_ERR(bd); + } + + asus_backlight_device = bd; + + down(&bd->sem); + if (likely(bd->props)) { + bd->props->brightness = read_brightness(NULL); + bd->props->power = FB_BLANK_UNBLANK; + if (likely(bd->props->update_status)) + bd->props->update_status(bd); + } + up(&bd->sem); + } + return 0; +} + +static int asus_led_register(acpi_handle handle, + struct led_classdev *ldev, struct device *dev) +{ + if (!handle) + return 0; + + return led_classdev_register(dev, ldev); +} + +#define ASUS_LED_REGISTER(object, device) \ + asus_led_register(object##_set_handle, &object##_led, device) + +static int asus_led_init(struct device *dev) +{ + int rv; + + rv = ASUS_LED_REGISTER(mled, dev); + if (rv) + return rv; + + rv = ASUS_LED_REGISTER(tled, dev); + if (rv) + return rv; + + rv = ASUS_LED_REGISTER(rled, dev); + if (rv) + return rv; + + rv = ASUS_LED_REGISTER(pled, dev); + if (rv) + return rv; + + led_workqueue = create_singlethread_workqueue("led_workqueue"); + if (!led_workqueue) + return -ENOMEM; + + return 0; +} + +static int __init asus_laptop_init(void) +{ + struct device *dev; + int result; + + if (acpi_disabled) + return -ENODEV; + + if (!acpi_specific_hotkey_enabled) { + printk(ASUS_ERR "Using generic hotkey driver\n"); + return -ENODEV; + } + + result = acpi_bus_register_driver(&asus_hotk_driver); + if (result < 0) + return result; + + /* + * This is a bit of a kludge. We only want this module loaded + * for ASUS systems, but there's currently no way to probe the + * ACPI namespace for ASUS HIDs. So we just return failure if + * we didn't find one, which will cause the module to be + * unloaded. + */ + if (!asus_hotk_found) { + acpi_bus_unregister_driver(&asus_hotk_driver); + return -ENODEV; + } + + dev = acpi_get_physical_device(hotk->device->handle); + + result = asus_backlight_init(dev); + if (result) + goto fail_backlight; + + result = asus_led_init(dev); + if (result) + goto fail_led; + + /* Register platform stuff */ + result = platform_driver_register(&asuspf_driver); + if (result) + goto fail_platform_driver; + + asuspf_device = platform_device_alloc(ASUS_HOTK_FILE, -1); + if (!asuspf_device) { + result = -ENOMEM; + goto fail_platform_device1; + } + + result = platform_device_add(asuspf_device); + if (result) + goto fail_platform_device2; + + result = sysfs_create_group(&asuspf_device->dev.kobj, + &asuspf_attribute_group); + if (result) + goto fail_sysfs; + + return 0; + + fail_sysfs: + platform_device_del(asuspf_device); + + fail_platform_device2: + platform_device_put(asuspf_device); + + fail_platform_device1: + platform_driver_unregister(&asuspf_driver); + + fail_platform_driver: + asus_led_exit(); + + fail_led: + asus_backlight_exit(); + + fail_backlight: + + return result; +} + +module_init(asus_laptop_init); +module_exit(asus_laptop_exit); diff --git a/drivers/misc/tifm_7xx1.c b/drivers/misc/tifm_7xx1.c index 2ab7add78f9..e21e490fedb 100644 --- a/drivers/misc/tifm_7xx1.c +++ b/drivers/misc/tifm_7xx1.c @@ -11,66 +11,25 @@ #include <linux/tifm.h> #include <linux/dma-mapping.h> +#include <linux/freezer.h> #define DRIVER_NAME "tifm_7xx1" -#define DRIVER_VERSION "0.6" +#define DRIVER_VERSION "0.7" static void tifm_7xx1_eject(struct tifm_adapter *fm, struct tifm_dev *sock) { - int cnt; - unsigned long flags; - - spin_lock_irqsave(&fm->lock, flags); - if (!fm->inhibit_new_cards) { - for (cnt = 0; cnt < fm->max_sockets; cnt++) { - if (fm->sockets[cnt] == sock) { - fm->remove_mask |= (1 << cnt); - queue_work(fm->wq, &fm->media_remover); - break; - } - } - } - spin_unlock_irqrestore(&fm->lock, flags); -} - -static void tifm_7xx1_remove_media(struct work_struct *work) -{ - struct tifm_adapter *fm = - container_of(work, struct tifm_adapter, media_remover); unsigned long flags; - int cnt; - struct tifm_dev *sock; - if (!class_device_get(&fm->cdev)) - return; spin_lock_irqsave(&fm->lock, flags); - for (cnt = 0; cnt < fm->max_sockets; cnt++) { - if (fm->sockets[cnt] && (fm->remove_mask & (1 << cnt))) { - printk(KERN_INFO DRIVER_NAME - ": demand removing card from socket %d\n", cnt); - sock = fm->sockets[cnt]; - fm->sockets[cnt] = NULL; - fm->remove_mask &= ~(1 << cnt); - - writel(0x0e00, sock->addr + SOCK_CONTROL); - - writel((TIFM_IRQ_FIFOMASK | TIFM_IRQ_CARDMASK) << cnt, - fm->addr + FM_CLEAR_INTERRUPT_ENABLE); - writel((TIFM_IRQ_FIFOMASK | TIFM_IRQ_CARDMASK) << cnt, - fm->addr + FM_SET_INTERRUPT_ENABLE); - - spin_unlock_irqrestore(&fm->lock, flags); - device_unregister(&sock->dev); - spin_lock_irqsave(&fm->lock, flags); - } - } + fm->socket_change_set |= 1 << sock->socket_id; + wake_up_all(&fm->change_set_notify); spin_unlock_irqrestore(&fm->lock, flags); - class_device_put(&fm->cdev); } static irqreturn_t tifm_7xx1_isr(int irq, void *dev_id) { struct tifm_adapter *fm = dev_id; + struct tifm_dev *sock; unsigned int irq_status; unsigned int sock_irq_status, cnt; @@ -84,42 +43,32 @@ static irqreturn_t tifm_7xx1_isr(int irq, void *dev_id) if (irq_status & TIFM_IRQ_ENABLE) { writel(TIFM_IRQ_ENABLE, fm->addr + FM_CLEAR_INTERRUPT_ENABLE); - for (cnt = 0; cnt < fm->max_sockets; cnt++) { - sock_irq_status = (irq_status >> cnt) & - (TIFM_IRQ_FIFOMASK | TIFM_IRQ_CARDMASK); - - if (fm->sockets[cnt]) { - if (sock_irq_status && - fm->sockets[cnt]->signal_irq) - sock_irq_status = fm->sockets[cnt]-> - signal_irq(fm->sockets[cnt], - sock_irq_status); + for (cnt = 0; cnt < fm->num_sockets; cnt++) { + sock = fm->sockets[cnt]; + sock_irq_status = (irq_status >> cnt) + & (TIFM_IRQ_FIFOMASK(1) + | TIFM_IRQ_CARDMASK(1)); - if (irq_status & (1 << cnt)) - fm->remove_mask |= 1 << cnt; - } else { - if (irq_status & (1 << cnt)) - fm->insert_mask |= 1 << cnt; - } + if (sock && sock_irq_status) + sock->signal_irq(sock, sock_irq_status); } + + fm->socket_change_set |= irq_status + & ((1 << fm->num_sockets) - 1); } writel(irq_status, fm->addr + FM_INTERRUPT_STATUS); - if (!fm->inhibit_new_cards) { - if (!fm->remove_mask && !fm->insert_mask) { - writel(TIFM_IRQ_ENABLE, - fm->addr + FM_SET_INTERRUPT_ENABLE); - } else { - queue_work(fm->wq, &fm->media_remover); - queue_work(fm->wq, &fm->media_inserter); - } - } + if (!fm->socket_change_set) + writel(TIFM_IRQ_ENABLE, fm->addr + FM_SET_INTERRUPT_ENABLE); + else + wake_up_all(&fm->change_set_notify); spin_unlock(&fm->lock); return IRQ_HANDLED; } -static tifm_media_id tifm_7xx1_toggle_sock_power(char __iomem *sock_addr, int is_x2) +static tifm_media_id tifm_7xx1_toggle_sock_power(char __iomem *sock_addr, + int is_x2) { unsigned int s_state; int cnt; @@ -127,8 +76,8 @@ static tifm_media_id tifm_7xx1_toggle_sock_power(char __iomem *sock_addr, int is writel(0x0e00, sock_addr + SOCK_CONTROL); for (cnt = 0; cnt < 100; cnt++) { - if (!(TIFM_SOCK_STATE_POWERED & - readl(sock_addr + SOCK_PRESENT_STATE))) + if (!(TIFM_SOCK_STATE_POWERED + & readl(sock_addr + SOCK_PRESENT_STATE))) break; msleep(10); } @@ -151,8 +100,8 @@ static tifm_media_id tifm_7xx1_toggle_sock_power(char __iomem *sock_addr, int is } for (cnt = 0; cnt < 100; cnt++) { - if ((TIFM_SOCK_STATE_POWERED & - readl(sock_addr + SOCK_PRESENT_STATE))) + if ((TIFM_SOCK_STATE_POWERED + & readl(sock_addr + SOCK_PRESENT_STATE))) break; msleep(10); } @@ -170,130 +119,209 @@ tifm_7xx1_sock_addr(char __iomem *base_addr, unsigned int sock_num) return base_addr + ((sock_num + 1) << 10); } -static void tifm_7xx1_insert_media(struct work_struct *work) +static int tifm_7xx1_switch_media(void *data) { - struct tifm_adapter *fm = - container_of(work, struct tifm_adapter, media_inserter); + struct tifm_adapter *fm = data; unsigned long flags; tifm_media_id media_id; char *card_name = "xx"; - int cnt, ok_to_register; - unsigned int insert_mask; - struct tifm_dev *new_sock = NULL; + int cnt, rc; + struct tifm_dev *sock; + unsigned int socket_change_set; - if (!class_device_get(&fm->cdev)) - return; - spin_lock_irqsave(&fm->lock, flags); - insert_mask = fm->insert_mask; - fm->insert_mask = 0; - if (fm->inhibit_new_cards) { + while (1) { + rc = wait_event_interruptible(fm->change_set_notify, + fm->socket_change_set); + if (rc == -ERESTARTSYS) + try_to_freeze(); + + spin_lock_irqsave(&fm->lock, flags); + socket_change_set = fm->socket_change_set; + fm->socket_change_set = 0; + + dev_dbg(fm->dev, "checking media set %x\n", + socket_change_set); + + if (kthread_should_stop()) + socket_change_set = (1 << fm->num_sockets) - 1; spin_unlock_irqrestore(&fm->lock, flags); - class_device_put(&fm->cdev); - return; - } - spin_unlock_irqrestore(&fm->lock, flags); - for (cnt = 0; cnt < fm->max_sockets; cnt++) { - if (!(insert_mask & (1 << cnt))) + if (!socket_change_set) continue; - media_id = tifm_7xx1_toggle_sock_power(tifm_7xx1_sock_addr(fm->addr, cnt), - fm->max_sockets == 2); - if (media_id) { - ok_to_register = 0; - new_sock = tifm_alloc_device(fm, cnt); - if (new_sock) { - new_sock->addr = tifm_7xx1_sock_addr(fm->addr, - cnt); - new_sock->media_id = media_id; - switch (media_id) { - case 1: - card_name = "xd"; - break; - case 2: - card_name = "ms"; - break; - case 3: - card_name = "sd"; - break; - default: - break; - } - snprintf(new_sock->dev.bus_id, BUS_ID_SIZE, - "tifm_%s%u:%u", card_name, fm->id, cnt); + spin_lock_irqsave(&fm->lock, flags); + for (cnt = 0; cnt < fm->num_sockets; cnt++) { + if (!(socket_change_set & (1 << cnt))) + continue; + sock = fm->sockets[cnt]; + if (sock) { printk(KERN_INFO DRIVER_NAME - ": %s card detected in socket %d\n", - card_name, cnt); + ": demand removing card from socket %d\n", + cnt); + fm->sockets[cnt] = NULL; + spin_unlock_irqrestore(&fm->lock, flags); + device_unregister(&sock->dev); spin_lock_irqsave(&fm->lock, flags); - if (!fm->sockets[cnt]) { - fm->sockets[cnt] = new_sock; - ok_to_register = 1; + writel(0x0e00, + tifm_7xx1_sock_addr(fm->addr, cnt) + + SOCK_CONTROL); + } + if (kthread_should_stop()) + continue; + + spin_unlock_irqrestore(&fm->lock, flags); + media_id = tifm_7xx1_toggle_sock_power( + tifm_7xx1_sock_addr(fm->addr, cnt), + fm->num_sockets == 2); + if (media_id) { + sock = tifm_alloc_device(fm); + if (sock) { + sock->addr = tifm_7xx1_sock_addr(fm->addr, + cnt); + sock->media_id = media_id; + sock->socket_id = cnt; + switch (media_id) { + case 1: + card_name = "xd"; + break; + case 2: + card_name = "ms"; + break; + case 3: + card_name = "sd"; + break; + default: + tifm_free_device(&sock->dev); + spin_lock_irqsave(&fm->lock, flags); + continue; + } + snprintf(sock->dev.bus_id, BUS_ID_SIZE, + "tifm_%s%u:%u", card_name, + fm->id, cnt); + printk(KERN_INFO DRIVER_NAME + ": %s card detected in socket %d\n", + card_name, cnt); + if (!device_register(&sock->dev)) { + spin_lock_irqsave(&fm->lock, flags); + if (!fm->sockets[cnt]) { + fm->sockets[cnt] = sock; + sock = NULL; + } + spin_unlock_irqrestore(&fm->lock, flags); + } + if (sock) + tifm_free_device(&sock->dev); } + spin_lock_irqsave(&fm->lock, flags); + } + } + + if (!kthread_should_stop()) { + writel(TIFM_IRQ_FIFOMASK(socket_change_set) + | TIFM_IRQ_CARDMASK(socket_change_set), + fm->addr + FM_CLEAR_INTERRUPT_ENABLE); + writel(TIFM_IRQ_FIFOMASK(socket_change_set) + | TIFM_IRQ_CARDMASK(socket_change_set), + fm->addr + FM_SET_INTERRUPT_ENABLE); + writel(TIFM_IRQ_ENABLE, + fm->addr + FM_SET_INTERRUPT_ENABLE); + spin_unlock_irqrestore(&fm->lock, flags); + } else { + for (cnt = 0; cnt < fm->num_sockets; cnt++) { + if (fm->sockets[cnt]) + fm->socket_change_set |= 1 << cnt; + } + if (!fm->socket_change_set) { + spin_unlock_irqrestore(&fm->lock, flags); + return 0; + } else { spin_unlock_irqrestore(&fm->lock, flags); - if (!ok_to_register || - device_register(&new_sock->dev)) { - spin_lock_irqsave(&fm->lock, flags); - fm->sockets[cnt] = NULL; - spin_unlock_irqrestore(&fm->lock, - flags); - tifm_free_device(&new_sock->dev); - } } } - writel((TIFM_IRQ_FIFOMASK | TIFM_IRQ_CARDMASK) << cnt, - fm->addr + FM_CLEAR_INTERRUPT_ENABLE); - writel((TIFM_IRQ_FIFOMASK | TIFM_IRQ_CARDMASK) << cnt, - fm->addr + FM_SET_INTERRUPT_ENABLE); } - - writel(TIFM_IRQ_ENABLE, fm->addr + FM_SET_INTERRUPT_ENABLE); - class_device_put(&fm->cdev); + return 0; } +#ifdef CONFIG_PM + static int tifm_7xx1_suspend(struct pci_dev *dev, pm_message_t state) { - struct tifm_adapter *fm = pci_get_drvdata(dev); - unsigned long flags; + dev_dbg(&dev->dev, "suspending host\n"); - spin_lock_irqsave(&fm->lock, flags); - fm->inhibit_new_cards = 1; - fm->remove_mask = 0xf; - fm->insert_mask = 0; - writel(TIFM_IRQ_ENABLE, fm->addr + FM_CLEAR_INTERRUPT_ENABLE); - spin_unlock_irqrestore(&fm->lock, flags); - flush_workqueue(fm->wq); - - tifm_7xx1_remove_media(&fm->media_remover); - - pci_set_power_state(dev, PCI_D3hot); - pci_disable_device(dev); - pci_save_state(dev); + pci_save_state(dev); + pci_enable_wake(dev, pci_choose_state(dev, state), 0); + pci_disable_device(dev); + pci_set_power_state(dev, pci_choose_state(dev, state)); return 0; } static int tifm_7xx1_resume(struct pci_dev *dev) { struct tifm_adapter *fm = pci_get_drvdata(dev); + int cnt, rc; unsigned long flags; + tifm_media_id new_ids[fm->num_sockets]; + pci_set_power_state(dev, PCI_D0); pci_restore_state(dev); - pci_enable_device(dev); - pci_set_power_state(dev, PCI_D0); - pci_set_master(dev); + rc = pci_enable_device(dev); + if (rc) + return rc; + pci_set_master(dev); + dev_dbg(&dev->dev, "resuming host\n"); + + for (cnt = 0; cnt < fm->num_sockets; cnt++) + new_ids[cnt] = tifm_7xx1_toggle_sock_power( + tifm_7xx1_sock_addr(fm->addr, cnt), + fm->num_sockets == 2); spin_lock_irqsave(&fm->lock, flags); - fm->inhibit_new_cards = 0; - writel(TIFM_IRQ_SETALL, fm->addr + FM_INTERRUPT_STATUS); - writel(TIFM_IRQ_SETALL, fm->addr + FM_CLEAR_INTERRUPT_ENABLE); - writel(TIFM_IRQ_ENABLE | TIFM_IRQ_SETALLSOCK, - fm->addr + FM_SET_INTERRUPT_ENABLE); - fm->insert_mask = 0xf; + fm->socket_change_set = 0; + for (cnt = 0; cnt < fm->num_sockets; cnt++) { + if (fm->sockets[cnt]) { + if (fm->sockets[cnt]->media_id == new_ids[cnt]) + fm->socket_change_set |= 1 << cnt; + + fm->sockets[cnt]->media_id = new_ids[cnt]; + } + } + + writel(TIFM_IRQ_ENABLE | TIFM_IRQ_SOCKMASK((1 << fm->num_sockets) - 1), + fm->addr + FM_SET_INTERRUPT_ENABLE); + if (!fm->socket_change_set) { + spin_unlock_irqrestore(&fm->lock, flags); + return 0; + } else { + fm->socket_change_set = 0; + spin_unlock_irqrestore(&fm->lock, flags); + } + + wait_event_timeout(fm->change_set_notify, fm->socket_change_set, HZ); + + spin_lock_irqsave(&fm->lock, flags); + writel(TIFM_IRQ_FIFOMASK(fm->socket_change_set) + | TIFM_IRQ_CARDMASK(fm->socket_change_set), + fm->addr + FM_CLEAR_INTERRUPT_ENABLE); + writel(TIFM_IRQ_FIFOMASK(fm->socket_change_set) + | TIFM_IRQ_CARDMASK(fm->socket_change_set), + fm->addr + FM_SET_INTERRUPT_ENABLE); + writel(TIFM_IRQ_ENABLE, + fm->addr + FM_SET_INTERRUPT_ENABLE); + fm->socket_change_set = 0; + spin_unlock_irqrestore(&fm->lock, flags); return 0; } +#else + +#define tifm_7xx1_suspend NULL +#define tifm_7xx1_resume NULL + +#endif /* CONFIG_PM */ + static int tifm_7xx1_probe(struct pci_dev *dev, - const struct pci_device_id *dev_id) + const struct pci_device_id *dev_id) { struct tifm_adapter *fm; int pci_dev_busy = 0; @@ -324,19 +352,18 @@ static int tifm_7xx1_probe(struct pci_dev *dev, } fm->dev = &dev->dev; - fm->max_sockets = (dev->device == 0x803B) ? 2 : 4; - fm->sockets = kzalloc(sizeof(struct tifm_dev*) * fm->max_sockets, - GFP_KERNEL); + fm->num_sockets = (dev->device == PCI_DEVICE_ID_TI_XX21_XX11_FM) + ? 4 : 2; + fm->sockets = kzalloc(sizeof(struct tifm_dev*) * fm->num_sockets, + GFP_KERNEL); if (!fm->sockets) goto err_out_free; - INIT_WORK(&fm->media_inserter, tifm_7xx1_insert_media); - INIT_WORK(&fm->media_remover, tifm_7xx1_remove_media); fm->eject = tifm_7xx1_eject; pci_set_drvdata(dev, fm); fm->addr = ioremap(pci_resource_start(dev, 0), - pci_resource_len(dev, 0)); + pci_resource_len(dev, 0)); if (!fm->addr) goto err_out_free; @@ -344,16 +371,15 @@ static int tifm_7xx1_probe(struct pci_dev *dev, if (rc) goto err_out_unmap; - rc = tifm_add_adapter(fm); + init_waitqueue_head(&fm->change_set_notify); + rc = tifm_add_adapter(fm, tifm_7xx1_switch_media); if (rc) goto err_out_irq; writel(TIFM_IRQ_SETALL, fm->addr + FM_CLEAR_INTERRUPT_ENABLE); - writel(TIFM_IRQ_ENABLE | TIFM_IRQ_SETALLSOCK, - fm->addr + FM_SET_INTERRUPT_ENABLE); - - fm->insert_mask = 0xf; - + writel(TIFM_IRQ_ENABLE | TIFM_IRQ_SOCKMASK((1 << fm->num_sockets) - 1), + fm->addr + FM_SET_INTERRUPT_ENABLE); + wake_up_process(fm->media_switcher); return 0; err_out_irq: @@ -377,19 +403,15 @@ static void tifm_7xx1_remove(struct pci_dev *dev) struct tifm_adapter *fm = pci_get_drvdata(dev); unsigned long flags; + writel(TIFM_IRQ_SETALL, fm->addr + FM_CLEAR_INTERRUPT_ENABLE); + mmiowb(); + free_irq(dev->irq, fm); + spin_lock_irqsave(&fm->lock, flags); - fm->inhibit_new_cards = 1; - fm->remove_mask = 0xf; - fm->insert_mask = 0; - writel(TIFM_IRQ_ENABLE, fm->addr + FM_CLEAR_INTERRUPT_ENABLE); + fm->socket_change_set = (1 << fm->num_sockets) - 1; spin_unlock_irqrestore(&fm->lock, flags); - flush_workqueue(fm->wq); - - tifm_7xx1_remove_media(&fm->media_remover); - - writel(TIFM_IRQ_SETALL, fm->addr + FM_CLEAR_INTERRUPT_ENABLE); - free_irq(dev->irq, fm); + kthread_stop(fm->media_switcher); tifm_remove_adapter(fm); @@ -404,10 +426,12 @@ static void tifm_7xx1_remove(struct pci_dev *dev) } static struct pci_device_id tifm_7xx1_pci_tbl [] = { - { PCI_VENDOR_ID_TI, 0x8033, PCI_ANY_ID, PCI_ANY_ID, 0, 0, - 0 }, /* xx21 - the one I have */ - { PCI_VENDOR_ID_TI, 0x803B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, - 0 }, /* xx12 - should be also supported */ + { PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_XX21_XX11_FM, PCI_ANY_ID, + PCI_ANY_ID, 0, 0, 0 }, /* xx21 - the one I have */ + { PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_XX12_FM, PCI_ANY_ID, + PCI_ANY_ID, 0, 0, 0 }, + { PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_XX20_FM, PCI_ANY_ID, + PCI_ANY_ID, 0, 0, 0 }, { } }; diff --git a/drivers/misc/tifm_core.c b/drivers/misc/tifm_core.c index d61df5c3ac3..6b10ebe9d93 100644 --- a/drivers/misc/tifm_core.c +++ b/drivers/misc/tifm_core.c @@ -14,7 +14,7 @@ #include <linux/idr.h> #define DRIVER_NAME "tifm_core" -#define DRIVER_VERSION "0.6" +#define DRIVER_VERSION "0.7" static DEFINE_IDR(tifm_adapter_idr); static DEFINE_SPINLOCK(tifm_adapter_lock); @@ -60,10 +60,41 @@ static int tifm_uevent(struct device *dev, char **envp, int num_envp, return 0; } +#ifdef CONFIG_PM + +static int tifm_device_suspend(struct device *dev, pm_message_t state) +{ + struct tifm_dev *fm_dev = container_of(dev, struct tifm_dev, dev); + struct tifm_driver *drv = fm_dev->drv; + + if (drv && drv->suspend) + return drv->suspend(fm_dev, state); + return 0; +} + +static int tifm_device_resume(struct device *dev) +{ + struct tifm_dev *fm_dev = container_of(dev, struct tifm_dev, dev); + struct tifm_driver *drv = fm_dev->drv; + + if (drv && drv->resume) + return drv->resume(fm_dev); + return 0; +} + +#else + +#define tifm_device_suspend NULL +#define tifm_device_resume NULL + +#endif /* CONFIG_PM */ + static struct bus_type tifm_bus_type = { .name = "tifm", .match = tifm_match, .uevent = tifm_uevent, + .suspend = tifm_device_suspend, + .resume = tifm_device_resume }; static void tifm_free(struct class_device *cdev) @@ -71,8 +102,6 @@ static void tifm_free(struct class_device *cdev) struct tifm_adapter *fm = container_of(cdev, struct tifm_adapter, cdev); kfree(fm->sockets); - if (fm->wq) - destroy_workqueue(fm->wq); kfree(fm); } @@ -101,7 +130,8 @@ void tifm_free_adapter(struct tifm_adapter *fm) } EXPORT_SYMBOL(tifm_free_adapter); -int tifm_add_adapter(struct tifm_adapter *fm) +int tifm_add_adapter(struct tifm_adapter *fm, + int (*mediathreadfn)(void *data)) { int rc; @@ -113,10 +143,10 @@ int tifm_add_adapter(struct tifm_adapter *fm) spin_unlock(&tifm_adapter_lock); if (!rc) { snprintf(fm->cdev.class_id, BUS_ID_SIZE, "tifm%u", fm->id); - strncpy(fm->wq_name, fm->cdev.class_id, KOBJ_NAME_LEN); + fm->media_switcher = kthread_create(mediathreadfn, + fm, "tifm/%u", fm->id); - fm->wq = create_singlethread_workqueue(fm->wq_name); - if (fm->wq) + if (!IS_ERR(fm->media_switcher)) return class_device_add(&fm->cdev); spin_lock(&tifm_adapter_lock); @@ -141,27 +171,27 @@ EXPORT_SYMBOL(tifm_remove_adapter); void tifm_free_device(struct device *dev) { struct tifm_dev *fm_dev = container_of(dev, struct tifm_dev, dev); - if (fm_dev->wq) - destroy_workqueue(fm_dev->wq); kfree(fm_dev); } EXPORT_SYMBOL(tifm_free_device); -struct tifm_dev *tifm_alloc_device(struct tifm_adapter *fm, unsigned int id) +static void tifm_dummy_signal_irq(struct tifm_dev *sock, + unsigned int sock_irq_status) +{ + return; +} + +struct tifm_dev *tifm_alloc_device(struct tifm_adapter *fm) { struct tifm_dev *dev = kzalloc(sizeof(struct tifm_dev), GFP_KERNEL); if (dev) { spin_lock_init(&dev->lock); - snprintf(dev->wq_name, KOBJ_NAME_LEN, "tifm%u:%u", fm->id, id); - dev->wq = create_singlethread_workqueue(dev->wq_name); - if (!dev->wq) { - kfree(dev); - return NULL; - } + dev->dev.parent = fm->dev; dev->dev.bus = &tifm_bus_type; dev->dev.release = tifm_free_device; + dev->signal_irq = tifm_dummy_signal_irq; } return dev; } @@ -219,6 +249,7 @@ static int tifm_device_remove(struct device *dev) struct tifm_driver *drv = fm_dev->drv; if (drv) { + fm_dev->signal_irq = tifm_dummy_signal_irq; if (drv->remove) drv->remove(fm_dev); fm_dev->drv = NULL; @@ -233,6 +264,8 @@ int tifm_register_driver(struct tifm_driver *drv) drv->driver.bus = &tifm_bus_type; drv->driver.probe = tifm_device_probe; drv->driver.remove = tifm_device_remove; + drv->driver.suspend = tifm_device_suspend; + drv->driver.resume = tifm_device_resume; return driver_register(&drv->driver); } diff --git a/drivers/mmc/at91_mci.c b/drivers/mmc/at91_mci.c index aa152f31851..2ce50f38e3c 100644 --- a/drivers/mmc/at91_mci.c +++ b/drivers/mmc/at91_mci.c @@ -823,6 +823,9 @@ static int __init at91_mci_probe(struct platform_device *pdev) mmc->ocr_avail = MMC_VDD_32_33 | MMC_VDD_33_34; mmc->caps = MMC_CAP_BYTEBLOCK; + mmc->max_blk_size = 4095; + mmc->max_blk_count = mmc->max_req_size; + host = mmc_priv(mmc); host->mmc = mmc; host->buffer = NULL; diff --git a/drivers/mmc/au1xmmc.c b/drivers/mmc/au1xmmc.c index 800527cf40d..b834be261ab 100644 --- a/drivers/mmc/au1xmmc.c +++ b/drivers/mmc/au1xmmc.c @@ -152,8 +152,9 @@ static inline int au1xmmc_card_inserted(struct au1xmmc_host *host) ? 1 : 0; } -static inline int au1xmmc_card_readonly(struct au1xmmc_host *host) +static int au1xmmc_card_readonly(struct mmc_host *mmc) { + struct au1xmmc_host *host = mmc_priv(mmc); return (bcsr->status & au1xmmc_card_table[host->id].wpstatus) ? 1 : 0; } @@ -193,6 +194,8 @@ static int au1xmmc_send_command(struct au1xmmc_host *host, int wait, u32 mmccmd = (cmd->opcode << SD_CMD_CI_SHIFT); switch (mmc_resp_type(cmd)) { + case MMC_RSP_NONE: + break; case MMC_RSP_R1: mmccmd |= SD_CMD_RT_1; break; @@ -205,6 +208,10 @@ static int au1xmmc_send_command(struct au1xmmc_host *host, int wait, case MMC_RSP_R3: mmccmd |= SD_CMD_RT_3; break; + default: + printk(KERN_INFO "au1xmmc: unhandled response type %02x\n", + mmc_resp_type(cmd)); + return MMC_ERR_INVALID; } switch(cmd->opcode) { @@ -878,6 +885,7 @@ static void au1xmmc_init_dma(struct au1xmmc_host *host) static const struct mmc_host_ops au1xmmc_ops = { .request = au1xmmc_request, .set_ios = au1xmmc_set_ios, + .get_ro = au1xmmc_card_readonly, }; static int __devinit au1xmmc_probe(struct platform_device *pdev) @@ -914,6 +922,9 @@ static int __devinit au1xmmc_probe(struct platform_device *pdev) mmc->max_seg_size = AU1XMMC_DESCRIPTOR_SIZE; mmc->max_phys_segs = AU1XMMC_DESCRIPTOR_COUNT; + mmc->max_blk_size = 2048; + mmc->max_blk_count = 512; + mmc->ocr_avail = AU1XMMC_OCR; host = mmc_priv(mmc); diff --git a/drivers/mmc/imxmmc.c b/drivers/mmc/imxmmc.c index bfb9ff69320..b060d4bfba2 100644 --- a/drivers/mmc/imxmmc.c +++ b/drivers/mmc/imxmmc.c @@ -958,8 +958,10 @@ static int imxmci_probe(struct platform_device *pdev) /* MMC core transfer sizes tunable parameters */ mmc->max_hw_segs = 64; mmc->max_phys_segs = 64; - mmc->max_sectors = 64; /* default 1 << (PAGE_CACHE_SHIFT - 9) */ mmc->max_seg_size = 64*512; /* default PAGE_CACHE_SIZE */ + mmc->max_req_size = 64*512; /* default PAGE_CACHE_SIZE */ + mmc->max_blk_size = 2048; + mmc->max_blk_count = 65535; host = mmc_priv(mmc); host->mmc = mmc; diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index 6f2a282e2b9..5046a166134 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -103,11 +103,16 @@ mmc_start_request(struct mmc_host *host, struct mmc_request *mrq) mmc_hostname(host), mrq->cmd->opcode, mrq->cmd->arg, mrq->cmd->flags); - WARN_ON(host->card_busy == NULL); + WARN_ON(!host->claimed); mrq->cmd->error = 0; mrq->cmd->mrq = mrq; if (mrq->data) { + BUG_ON(mrq->data->blksz > host->max_blk_size); + BUG_ON(mrq->data->blocks > host->max_blk_count); + BUG_ON(mrq->data->blocks * mrq->data->blksz > + host->max_req_size); + mrq->cmd->data = mrq->data; mrq->data->error = 0; mrq->data->mrq = mrq; @@ -157,7 +162,7 @@ int mmc_wait_for_cmd(struct mmc_host *host, struct mmc_command *cmd, int retries { struct mmc_request mrq; - BUG_ON(host->card_busy == NULL); + BUG_ON(!host->claimed); memset(&mrq, 0, sizeof(struct mmc_request)); @@ -195,7 +200,7 @@ int mmc_wait_for_app_cmd(struct mmc_host *host, unsigned int rca, int i, err; - BUG_ON(host->card_busy == NULL); + BUG_ON(!host->claimed); BUG_ON(retries < 0); err = MMC_ERR_INVALID; @@ -289,7 +294,10 @@ void mmc_set_data_timeout(struct mmc_data *data, const struct mmc_card *card, else limit_us = 100000; - if (timeout_us > limit_us) { + /* + * SDHC cards always use these fixed values. + */ + if (timeout_us > limit_us || mmc_card_blockaddr(card)) { data->timeout_ns = limit_us * 1000; data->timeout_clks = 0; } @@ -320,14 +328,14 @@ int __mmc_claim_host(struct mmc_host *host, struct mmc_card *card) spin_lock_irqsave(&host->lock, flags); while (1) { set_current_state(TASK_UNINTERRUPTIBLE); - if (host->card_busy == NULL) + if (!host->claimed) break; spin_unlock_irqrestore(&host->lock, flags); schedule(); spin_lock_irqsave(&host->lock, flags); } set_current_state(TASK_RUNNING); - host->card_busy = card; + host->claimed = 1; spin_unlock_irqrestore(&host->lock, flags); remove_wait_queue(&host->wq, &wait); @@ -353,10 +361,10 @@ void mmc_release_host(struct mmc_host *host) { unsigned long flags; - BUG_ON(host->card_busy == NULL); + BUG_ON(!host->claimed); spin_lock_irqsave(&host->lock, flags); - host->card_busy = NULL; + host->claimed = 0; spin_unlock_irqrestore(&host->lock, flags); wake_up(&host->wq); @@ -372,7 +380,7 @@ static inline void mmc_set_ios(struct mmc_host *host) mmc_hostname(host), ios->clock, ios->bus_mode, ios->power_mode, ios->chip_select, ios->vdd, ios->bus_width); - + host->ops->set_ios(host, ios); } @@ -381,7 +389,7 @@ static int mmc_select_card(struct mmc_host *host, struct mmc_card *card) int err; struct mmc_command cmd; - BUG_ON(host->card_busy == NULL); + BUG_ON(!host->claimed); if (host->card_selected == card) return MMC_ERR_NONE; @@ -588,34 +596,65 @@ static void mmc_decode_csd(struct mmc_card *card) if (mmc_card_sd(card)) { csd_struct = UNSTUFF_BITS(resp, 126, 2); - if (csd_struct != 0) { + + switch (csd_struct) { + case 0: + m = UNSTUFF_BITS(resp, 115, 4); + e = UNSTUFF_BITS(resp, 112, 3); + csd->tacc_ns = (tacc_exp[e] * tacc_mant[m] + 9) / 10; + csd->tacc_clks = UNSTUFF_BITS(resp, 104, 8) * 100; + + m = UNSTUFF_BITS(resp, 99, 4); + e = UNSTUFF_BITS(resp, 96, 3); + csd->max_dtr = tran_exp[e] * tran_mant[m]; + csd->cmdclass = UNSTUFF_BITS(resp, 84, 12); + + e = UNSTUFF_BITS(resp, 47, 3); + m = UNSTUFF_BITS(resp, 62, 12); + csd->capacity = (1 + m) << (e + 2); + + csd->read_blkbits = UNSTUFF_BITS(resp, 80, 4); + csd->read_partial = UNSTUFF_BITS(resp, 79, 1); + csd->write_misalign = UNSTUFF_BITS(resp, 78, 1); + csd->read_misalign = UNSTUFF_BITS(resp, 77, 1); + csd->r2w_factor = UNSTUFF_BITS(resp, 26, 3); + csd->write_blkbits = UNSTUFF_BITS(resp, 22, 4); + csd->write_partial = UNSTUFF_BITS(resp, 21, 1); + break; + case 1: + /* + * This is a block-addressed SDHC card. Most + * interesting fields are unused and have fixed + * values. To avoid getting tripped by buggy cards, + * we assume those fixed values ourselves. + */ + mmc_card_set_blockaddr(card); + + csd->tacc_ns = 0; /* Unused */ + csd->tacc_clks = 0; /* Unused */ + + m = UNSTUFF_BITS(resp, 99, 4); + e = UNSTUFF_BITS(resp, 96, 3); + csd->max_dtr = tran_exp[e] * tran_mant[m]; + csd->cmdclass = UNSTUFF_BITS(resp, 84, 12); + + m = UNSTUFF_BITS(resp, 48, 22); + csd->capacity = (1 + m) << 10; + + csd->read_blkbits = 9; + csd->read_partial = 0; + csd->write_misalign = 0; + csd->read_misalign = 0; + csd->r2w_factor = 4; /* Unused */ + csd->write_blkbits = 9; + csd->write_partial = 0; + break; + default: printk("%s: unrecognised CSD structure version %d\n", mmc_hostname(card->host), csd_struct); mmc_card_set_bad(card); return; } - - m = UNSTUFF_BITS(resp, 115, 4); - e = UNSTUFF_BITS(resp, 112, 3); - csd->tacc_ns = (tacc_exp[e] * tacc_mant[m] + 9) / 10; - csd->tacc_clks = UNSTUFF_BITS(resp, 104, 8) * 100; - - m = UNSTUFF_BITS(resp, 99, 4); - e = UNSTUFF_BITS(resp, 96, 3); - csd->max_dtr = tran_exp[e] * tran_mant[m]; - csd->cmdclass = UNSTUFF_BITS(resp, 84, 12); - - e = UNSTUFF_BITS(resp, 47, 3); - m = UNSTUFF_BITS(resp, 62, 12); - csd->capacity = (1 + m) << (e + 2); - - csd->read_blkbits = UNSTUFF_BITS(resp, 80, 4); - csd->read_partial = UNSTUFF_BITS(resp, 79, 1); - csd->write_misalign = UNSTUFF_BITS(resp, 78, 1); - csd->read_misalign = UNSTUFF_BITS(resp, 77, 1); - csd->r2w_factor = UNSTUFF_BITS(resp, 26, 3); - csd->write_blkbits = UNSTUFF_BITS(resp, 22, 4); - csd->write_partial = UNSTUFF_BITS(resp, 21, 1); } else { /* * We only understand CSD structure v1.1 and v1.2. @@ -848,6 +887,41 @@ static int mmc_send_app_op_cond(struct mmc_host *host, u32 ocr, u32 *rocr) return err; } +static int mmc_send_if_cond(struct mmc_host *host, u32 ocr, int *rsd2) +{ + struct mmc_command cmd; + int err, sd2; + static const u8 test_pattern = 0xAA; + + /* + * To support SD 2.0 cards, we must always invoke SD_SEND_IF_COND + * before SD_APP_OP_COND. This command will harmlessly fail for + * SD 1.0 cards. + */ + cmd.opcode = SD_SEND_IF_COND; + cmd.arg = ((ocr & 0xFF8000) != 0) << 8 | test_pattern; + cmd.flags = MMC_RSP_R7 | MMC_CMD_BCR; + + err = mmc_wait_for_cmd(host, &cmd, 0); + if (err == MMC_ERR_NONE) { + if ((cmd.resp[0] & 0xFF) == test_pattern) { + sd2 = 1; + } else { + sd2 = 0; + err = MMC_ERR_FAILED; + } + } else { + /* + * Treat errors as SD 1.0 card. + */ + sd2 = 0; + err = MMC_ERR_NONE; + } + if (rsd2) + *rsd2 = sd2; + return err; +} + /* * Discover cards by requesting their CID. If this command * times out, it is not an error; there are no further cards @@ -1018,7 +1092,8 @@ static void mmc_process_ext_csds(struct mmc_host *host) mmc_wait_for_req(host, &mrq); if (cmd.error != MMC_ERR_NONE || data.error != MMC_ERR_NONE) { - mmc_card_set_dead(card); + printk("%s: unable to read EXT_CSD, performance " + "might suffer.\n", mmc_hostname(card->host)); continue; } @@ -1034,7 +1109,6 @@ static void mmc_process_ext_csds(struct mmc_host *host) printk("%s: card is mmc v4 but doesn't support " "any high-speed modes.\n", mmc_hostname(card->host)); - mmc_card_set_bad(card); continue; } @@ -1215,7 +1289,9 @@ static void mmc_read_switch_caps(struct mmc_host *host) mmc_wait_for_req(host, &mrq); if (cmd.error != MMC_ERR_NONE || data.error != MMC_ERR_NONE) { - mmc_card_set_dead(card); + printk("%s: unable to read switch capabilities, " + "performance might suffer.\n", + mmc_hostname(card->host)); continue; } @@ -1247,12 +1323,8 @@ static void mmc_read_switch_caps(struct mmc_host *host) mmc_wait_for_req(host, &mrq); - if (cmd.error != MMC_ERR_NONE || data.error != MMC_ERR_NONE) { - mmc_card_set_dead(card); - continue; - } - - if ((status[16] & 0xF) != 1) { + if (cmd.error != MMC_ERR_NONE || data.error != MMC_ERR_NONE || + (status[16] & 0xF) != 1) { printk(KERN_WARNING "%s: Problem switching card " "into high-speed mode!\n", mmc_hostname(host)); @@ -1334,6 +1406,10 @@ static void mmc_setup(struct mmc_host *host) mmc_power_up(host); mmc_idle_cards(host); + err = mmc_send_if_cond(host, host->ocr_avail, NULL); + if (err != MMC_ERR_NONE) { + return; + } err = mmc_send_app_op_cond(host, 0, &ocr); /* @@ -1386,10 +1462,21 @@ static void mmc_setup(struct mmc_host *host) * all get the idea that they should be ready for CMD2. * (My SanDisk card seems to need this.) */ - if (host->mode == MMC_MODE_SD) - mmc_send_app_op_cond(host, host->ocr, NULL); - else + if (host->mode == MMC_MODE_SD) { + int err, sd2; + err = mmc_send_if_cond(host, host->ocr, &sd2); + if (err == MMC_ERR_NONE) { + /* + * If SD_SEND_IF_COND indicates an SD 2.0 + * compliant card and we should set bit 30 + * of the ocr to indicate that we can handle + * block-addressed SDHC cards. + */ + mmc_send_app_op_cond(host, host->ocr | (sd2 << 30), NULL); + } + } else { mmc_send_op_cond(host, host->ocr, NULL); + } mmc_discover_cards(host); @@ -1519,8 +1606,11 @@ struct mmc_host *mmc_alloc_host(int extra, struct device *dev) */ host->max_hw_segs = 1; host->max_phys_segs = 1; - host->max_sectors = 1 << (PAGE_CACHE_SHIFT - 9); host->max_seg_size = PAGE_CACHE_SIZE; + + host->max_req_size = PAGE_CACHE_SIZE; + host->max_blk_size = 512; + host->max_blk_count = PAGE_CACHE_SIZE / 512; } return host; diff --git a/drivers/mmc/mmc_block.c b/drivers/mmc/mmc_block.c index 87713572293..05ba8ace70e 100644 --- a/drivers/mmc/mmc_block.c +++ b/drivers/mmc/mmc_block.c @@ -237,13 +237,17 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req) brq.mrq.cmd = &brq.cmd; brq.mrq.data = &brq.data; - brq.cmd.arg = req->sector << 9; + brq.cmd.arg = req->sector; + if (!mmc_card_blockaddr(card)) + brq.cmd.arg <<= 9; brq.cmd.flags = MMC_RSP_R1 | MMC_CMD_ADTC; brq.data.blksz = 1 << md->block_bits; - brq.data.blocks = req->nr_sectors >> (md->block_bits - 9); brq.stop.opcode = MMC_STOP_TRANSMISSION; brq.stop.arg = 0; brq.stop.flags = MMC_RSP_R1B | MMC_CMD_AC; + brq.data.blocks = req->nr_sectors >> (md->block_bits - 9); + if (brq.data.blocks > card->host->max_blk_count) + brq.data.blocks = card->host->max_blk_count; mmc_set_data_timeout(&brq.data, card, rq_data_dir(req) != READ); @@ -375,9 +379,10 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req) spin_unlock_irq(&md->lock); } +flush_queue: + mmc_card_release_host(card); -flush_queue: spin_lock_irq(&md->lock); while (ret) { ret = end_that_request_chunk(req, 0, @@ -494,6 +499,10 @@ mmc_blk_set_blksize(struct mmc_blk_data *md, struct mmc_card *card) struct mmc_command cmd; int err; + /* Block-addressed cards ignore MMC_SET_BLOCKLEN. */ + if (mmc_card_blockaddr(card)) + return 0; + mmc_card_claim_host(card); cmd.opcode = MMC_SET_BLOCKLEN; cmd.arg = 1 << md->block_bits; diff --git a/drivers/mmc/mmc_queue.c b/drivers/mmc/mmc_queue.c index 3e35a43819f..c27e42645cd 100644 --- a/drivers/mmc/mmc_queue.c +++ b/drivers/mmc/mmc_queue.c @@ -147,7 +147,7 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card, spinlock_t *lock blk_queue_prep_rq(mq->queue, mmc_prep_request); blk_queue_bounce_limit(mq->queue, limit); - blk_queue_max_sectors(mq->queue, host->max_sectors); + blk_queue_max_sectors(mq->queue, host->max_req_size / 512); blk_queue_max_phys_segments(mq->queue, host->max_phys_segs); blk_queue_max_hw_segments(mq->queue, host->max_hw_segs); blk_queue_max_segment_size(mq->queue, host->max_seg_size); diff --git a/drivers/mmc/mmc_sysfs.c b/drivers/mmc/mmc_sysfs.c index e334acd045b..d32698b02d7 100644 --- a/drivers/mmc/mmc_sysfs.c +++ b/drivers/mmc/mmc_sysfs.c @@ -199,7 +199,7 @@ void mmc_init_card(struct mmc_card *card, struct mmc_host *host) memset(card, 0, sizeof(struct mmc_card)); card->host = host; device_initialize(&card->dev); - card->dev.parent = mmc_dev(host); + card->dev.parent = mmc_classdev(host); card->dev.bus = &mmc_bus_type; card->dev.release = mmc_release_card; } diff --git a/drivers/mmc/mmci.c b/drivers/mmc/mmci.c index ccfe6561be2..5941dd951e8 100644 --- a/drivers/mmc/mmci.c +++ b/drivers/mmc/mmci.c @@ -524,15 +524,24 @@ static int mmci_probe(struct amba_device *dev, void *id) /* * Since we only have a 16-bit data length register, we must * ensure that we don't exceed 2^16-1 bytes in a single request. - * Choose 64 (512-byte) sectors as the limit. */ - mmc->max_sectors = 64; + mmc->max_req_size = 65535; /* * Set the maximum segment size. Since we aren't doing DMA * (yet) we are only limited by the data length register. */ - mmc->max_seg_size = mmc->max_sectors << 9; + mmc->max_seg_size = mmc->max_req_size; + + /* + * Block size can be up to 2048 bytes, but must be a power of two. + */ + mmc->max_blk_size = 2048; + + /* + * No limit on the number of blocks transferred. + */ + mmc->max_blk_count = mmc->max_req_size; spin_lock_init(&host->lock); diff --git a/drivers/mmc/omap.c b/drivers/mmc/omap.c index d30540b2761..1e96a2f6502 100644 --- a/drivers/mmc/omap.c +++ b/drivers/mmc/omap.c @@ -1099,8 +1099,10 @@ static int __init mmc_omap_probe(struct platform_device *pdev) */ mmc->max_phys_segs = 32; mmc->max_hw_segs = 32; - mmc->max_sectors = 256; /* NBLK max 11-bits, OMAP also limited by DMA */ - mmc->max_seg_size = mmc->max_sectors * 512; + mmc->max_blk_size = 2048; /* BLEN is 11 bits (+1) */ + mmc->max_blk_count = 2048; /* NBLK is 11 bits (+1) */ + mmc->max_req_size = mmc->max_blk_size * mmc->max_blk_count; + mmc->max_seg_size = mmc->max_req_size; if (host->power_pin >= 0) { if ((ret = omap_request_gpio(host->power_pin)) != 0) { diff --git a/drivers/mmc/pxamci.c b/drivers/mmc/pxamci.c index 6073d998b11..9774fc68b61 100644 --- a/drivers/mmc/pxamci.c +++ b/drivers/mmc/pxamci.c @@ -450,6 +450,16 @@ static int pxamci_probe(struct platform_device *pdev) */ mmc->max_seg_size = PAGE_SIZE; + /* + * Block length register is 10 bits. + */ + mmc->max_blk_size = 1023; + + /* + * Block count register is 16 bits. + */ + mmc->max_blk_count = 65535; + host = mmc_priv(mmc); host->mmc = mmc; host->dma = -1; diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c index c2d13d7e991..4bf1fea5e2c 100644 --- a/drivers/mmc/sdhci.c +++ b/drivers/mmc/sdhci.c @@ -37,6 +37,7 @@ static unsigned int debug_quirks = 0; #define SDHCI_QUIRK_FORCE_DMA (1<<1) /* Controller doesn't like some resets when there is no card inserted. */ #define SDHCI_QUIRK_NO_CARD_NO_RESET (1<<2) +#define SDHCI_QUIRK_SINGLE_POWER_WRITE (1<<3) static const struct pci_device_id pci_ids[] __devinitdata = { { @@ -65,6 +66,14 @@ static const struct pci_device_id pci_ids[] __devinitdata = { .driver_data = SDHCI_QUIRK_FORCE_DMA, }, + { + .vendor = PCI_VENDOR_ID_ENE, + .device = PCI_DEVICE_ID_ENE_CB712_SD, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, + .driver_data = SDHCI_QUIRK_SINGLE_POWER_WRITE, + }, + { /* Generic SD host controller */ PCI_DEVICE_CLASS((PCI_CLASS_SYSTEM_SDHCI << 8), 0xFFFF00) }, @@ -197,15 +206,9 @@ static void sdhci_deactivate_led(struct sdhci_host *host) * * \*****************************************************************************/ -static inline char* sdhci_kmap_sg(struct sdhci_host* host) +static inline char* sdhci_sg_to_buffer(struct sdhci_host* host) { - host->mapped_sg = kmap_atomic(host->cur_sg->page, KM_BIO_SRC_IRQ); - return host->mapped_sg + host->cur_sg->offset; -} - -static inline void sdhci_kunmap_sg(struct sdhci_host* host) -{ - kunmap_atomic(host->mapped_sg, KM_BIO_SRC_IRQ); + return page_address(host->cur_sg->page) + host->cur_sg->offset; } static inline int sdhci_next_sg(struct sdhci_host* host) @@ -240,7 +243,7 @@ static void sdhci_read_block_pio(struct sdhci_host *host) chunk_remain = 0; data = 0; - buffer = sdhci_kmap_sg(host) + host->offset; + buffer = sdhci_sg_to_buffer(host) + host->offset; while (blksize) { if (chunk_remain == 0) { @@ -264,16 +267,13 @@ static void sdhci_read_block_pio(struct sdhci_host *host) } if (host->remain == 0) { - sdhci_kunmap_sg(host); if (sdhci_next_sg(host) == 0) { BUG_ON(blksize != 0); return; } - buffer = sdhci_kmap_sg(host); + buffer = sdhci_sg_to_buffer(host); } } - - sdhci_kunmap_sg(host); } static void sdhci_write_block_pio(struct sdhci_host *host) @@ -290,7 +290,7 @@ static void sdhci_write_block_pio(struct sdhci_host *host) data = 0; bytes = 0; - buffer = sdhci_kmap_sg(host) + host->offset; + buffer = sdhci_sg_to_buffer(host) + host->offset; while (blksize) { size = min(host->size, host->remain); @@ -314,16 +314,13 @@ static void sdhci_write_block_pio(struct sdhci_host *host) } if (host->remain == 0) { - sdhci_kunmap_sg(host); if (sdhci_next_sg(host) == 0) { BUG_ON(blksize != 0); return; } - buffer = sdhci_kmap_sg(host); + buffer = sdhci_sg_to_buffer(host); } } - - sdhci_kunmap_sg(host); } static void sdhci_transfer_pio(struct sdhci_host *host) @@ -372,7 +369,7 @@ static void sdhci_prepare_data(struct sdhci_host *host, struct mmc_data *data) /* Sanity checks */ BUG_ON(data->blksz * data->blocks > 524288); - BUG_ON(data->blksz > host->max_block); + BUG_ON(data->blksz > host->mmc->max_blk_size); BUG_ON(data->blocks > 65535); /* timeout in us */ @@ -674,10 +671,17 @@ static void sdhci_set_power(struct sdhci_host *host, unsigned short power) if (host->power == power) return; - writeb(0, host->ioaddr + SDHCI_POWER_CONTROL); - - if (power == (unsigned short)-1) + if (power == (unsigned short)-1) { + writeb(0, host->ioaddr + SDHCI_POWER_CONTROL); goto out; + } + + /* + * Spec says that we should clear the power reg before setting + * a new value. Some controllers don't seem to like this though. + */ + if (!(host->chip->quirks & SDHCI_QUIRK_SINGLE_POWER_WRITE)) + writeb(0, host->ioaddr + SDHCI_POWER_CONTROL); pwr = SDHCI_POWER_ON; @@ -1109,7 +1113,9 @@ static int sdhci_resume (struct pci_dev *pdev) pci_set_power_state(pdev, PCI_D0); pci_restore_state(pdev); - pci_enable_device(pdev); + ret = pci_enable_device(pdev); + if (ret) + return ret; for (i = 0;i < chip->num_slots;i++) { if (!chip->hosts[i]) @@ -1274,15 +1280,6 @@ static int __devinit sdhci_probe_slot(struct pci_dev *pdev, int slot) if (caps & SDHCI_TIMEOUT_CLK_UNIT) host->timeout_clk *= 1000; - host->max_block = (caps & SDHCI_MAX_BLOCK_MASK) >> SDHCI_MAX_BLOCK_SHIFT; - if (host->max_block >= 3) { - printk(KERN_ERR "%s: Invalid maximum block size.\n", - host->slot_descr); - ret = -ENODEV; - goto unmap; - } - host->max_block = 512 << host->max_block; - /* * Set host parameters. */ @@ -1294,9 +1291,9 @@ static int __devinit sdhci_probe_slot(struct pci_dev *pdev, int slot) mmc->ocr_avail = 0; if (caps & SDHCI_CAN_VDD_330) mmc->ocr_avail |= MMC_VDD_32_33|MMC_VDD_33_34; - else if (caps & SDHCI_CAN_VDD_300) + if (caps & SDHCI_CAN_VDD_300) mmc->ocr_avail |= MMC_VDD_29_30|MMC_VDD_30_31; - else if (caps & SDHCI_CAN_VDD_180) + if (caps & SDHCI_CAN_VDD_180) mmc->ocr_avail |= MMC_VDD_17_18|MMC_VDD_18_19; if ((host->max_clk > 25000000) && !(caps & SDHCI_CAN_DO_HISPD)) { @@ -1326,15 +1323,33 @@ static int __devinit sdhci_probe_slot(struct pci_dev *pdev, int slot) /* * Maximum number of sectors in one transfer. Limited by DMA boundary - * size (512KiB), which means (512 KiB/512=) 1024 entries. + * size (512KiB). */ - mmc->max_sectors = 1024; + mmc->max_req_size = 524288; /* * Maximum segment size. Could be one segment with the maximum number - * of sectors. + * of bytes. + */ + mmc->max_seg_size = mmc->max_req_size; + + /* + * Maximum block size. This varies from controller to controller and + * is specified in the capabilities register. + */ + mmc->max_blk_size = (caps & SDHCI_MAX_BLOCK_MASK) >> SDHCI_MAX_BLOCK_SHIFT; + if (mmc->max_blk_size >= 3) { + printk(KERN_ERR "%s: Invalid maximum block size.\n", + host->slot_descr); + ret = -ENODEV; + goto unmap; + } + mmc->max_blk_size = 512 << mmc->max_blk_size; + + /* + * Maximum block count. */ - mmc->max_seg_size = mmc->max_sectors * 512; + mmc->max_blk_count = 65535; /* * Init tasklets. diff --git a/drivers/mmc/sdhci.h b/drivers/mmc/sdhci.h index f9d1a0a6f03..e324f0a623d 100644 --- a/drivers/mmc/sdhci.h +++ b/drivers/mmc/sdhci.h @@ -174,7 +174,6 @@ struct sdhci_host { unsigned int max_clk; /* Max possible freq (MHz) */ unsigned int timeout_clk; /* Timeout freq (KHz) */ - unsigned int max_block; /* Max block size (bytes) */ unsigned int clock; /* Current clock (MHz) */ unsigned short power; /* Current voltage */ @@ -184,7 +183,6 @@ struct sdhci_host { struct mmc_data *data; /* Current data request */ struct scatterlist *cur_sg; /* We're working on this */ - char *mapped_sg; /* This is where it's mapped */ int num_sg; /* Entries left */ int offset; /* Offset into current sg */ int remain; /* Bytes left in current */ diff --git a/drivers/mmc/tifm_sd.c b/drivers/mmc/tifm_sd.c index fa4a52886b9..e65f8a0a934 100644 --- a/drivers/mmc/tifm_sd.c +++ b/drivers/mmc/tifm_sd.c @@ -17,7 +17,7 @@ #include <asm/io.h> #define DRIVER_NAME "tifm_sd" -#define DRIVER_VERSION "0.6" +#define DRIVER_VERSION "0.7" static int no_dma = 0; static int fixed_timeout = 0; @@ -79,7 +79,6 @@ typedef enum { enum { FIFO_RDY = 0x0001, /* hardware dependent value */ - HOST_REG = 0x0002, EJECT = 0x0004, EJECT_DONE = 0x0008, CARD_BUSY = 0x0010, @@ -95,46 +94,53 @@ struct tifm_sd { card_state_t state; unsigned int clk_freq; unsigned int clk_div; - unsigned long timeout_jiffies; // software timeout - 2 sec + unsigned long timeout_jiffies; + struct tasklet_struct finish_tasklet; + struct timer_list timer; struct mmc_request *req; - struct work_struct cmd_handler; - struct delayed_work abort_handler; - wait_queue_head_t can_eject; + wait_queue_head_t notify; size_t written_blocks; - char *buffer; size_t buffer_size; size_t buffer_pos; }; +static char* tifm_sd_data_buffer(struct mmc_data *data) +{ + return page_address(data->sg->page) + data->sg->offset; +} + static int tifm_sd_transfer_data(struct tifm_dev *sock, struct tifm_sd *host, - unsigned int host_status) + unsigned int host_status) { struct mmc_command *cmd = host->req->cmd; unsigned int t_val = 0, cnt = 0; + char *buffer; if (host_status & TIFM_MMCSD_BRS) { /* in non-dma rx mode BRS fires when fifo is still not empty */ - if (host->buffer && (cmd->data->flags & MMC_DATA_READ)) { + if (no_dma && (cmd->data->flags & MMC_DATA_READ)) { + buffer = tifm_sd_data_buffer(host->req->data); while (host->buffer_size > host->buffer_pos) { t_val = readl(sock->addr + SOCK_MMCSD_DATA); - host->buffer[host->buffer_pos++] = t_val & 0xff; - host->buffer[host->buffer_pos++] = + buffer[host->buffer_pos++] = t_val & 0xff; + buffer[host->buffer_pos++] = (t_val >> 8) & 0xff; } } return 1; - } else if (host->buffer) { + } else if (no_dma) { + buffer = tifm_sd_data_buffer(host->req->data); if ((cmd->data->flags & MMC_DATA_READ) && (host_status & TIFM_MMCSD_AF)) { for (cnt = 0; cnt < TIFM_MMCSD_FIFO_SIZE; cnt++) { t_val = readl(sock->addr + SOCK_MMCSD_DATA); if (host->buffer_size > host->buffer_pos) { - host->buffer[host->buffer_pos++] = + buffer[host->buffer_pos++] = t_val & 0xff; - host->buffer[host->buffer_pos++] = + buffer[host->buffer_pos++] = (t_val >> 8) & 0xff; } } @@ -142,11 +148,12 @@ static int tifm_sd_transfer_data(struct tifm_dev *sock, struct tifm_sd *host, && (host_status & TIFM_MMCSD_AE)) { for (cnt = 0; cnt < TIFM_MMCSD_FIFO_SIZE; cnt++) { if (host->buffer_size > host->buffer_pos) { - t_val = host->buffer[host->buffer_pos++] & 0x00ff; - t_val |= ((host->buffer[host->buffer_pos++]) << 8) - & 0xff00; + t_val = buffer[host->buffer_pos++] + & 0x00ff; + t_val |= ((buffer[host->buffer_pos++]) + << 8) & 0xff00; writel(t_val, - sock->addr + SOCK_MMCSD_DATA); + sock->addr + SOCK_MMCSD_DATA); } } } @@ -206,7 +213,7 @@ static void tifm_sd_exec(struct tifm_sd *host, struct mmc_command *cmd) cmd_mask |= TIFM_MMCSD_READ; dev_dbg(&sock->dev, "executing opcode 0x%x, arg: 0x%x, mask: 0x%x\n", - cmd->opcode, cmd->arg, cmd_mask); + cmd->opcode, cmd->arg, cmd_mask); writel((cmd->arg >> 16) & 0xffff, sock->addr + SOCK_MMCSD_ARG_HIGH); writel(cmd->arg & 0xffff, sock->addr + SOCK_MMCSD_ARG_LOW); @@ -239,65 +246,78 @@ change_state: tifm_sd_fetch_resp(cmd, sock); if (cmd->data) { host->state = BRS; - } else + } else { host->state = READY; + } goto change_state; } break; case BRS: if (tifm_sd_transfer_data(sock, host, host_status)) { - if (!host->req->stop) { - if (cmd->data->flags & MMC_DATA_WRITE) { - host->state = CARD; + if (cmd->data->flags & MMC_DATA_WRITE) { + host->state = CARD; + } else { + if (no_dma) { + if (host->req->stop) { + tifm_sd_exec(host, host->req->stop); + host->state = SCMD; + } else { + host->state = READY; + } } else { - host->state = - host->buffer ? READY : FIFO; + host->state = FIFO; } - goto change_state; } - tifm_sd_exec(host, host->req->stop); - host->state = SCMD; + goto change_state; } break; case SCMD: if (host_status & TIFM_MMCSD_EOC) { tifm_sd_fetch_resp(host->req->stop, sock); - if (cmd->error) { - host->state = READY; - } else if (cmd->data->flags & MMC_DATA_WRITE) { - host->state = CARD; - } else { - host->state = host->buffer ? READY : FIFO; - } + host->state = READY; goto change_state; } break; case CARD: + dev_dbg(&sock->dev, "waiting for CARD, have %zd blocks\n", + host->written_blocks); if (!(host->flags & CARD_BUSY) && (host->written_blocks == cmd->data->blocks)) { - host->state = host->buffer ? READY : FIFO; + if (no_dma) { + if (host->req->stop) { + tifm_sd_exec(host, host->req->stop); + host->state = SCMD; + } else { + host->state = READY; + } + } else { + host->state = FIFO; + } goto change_state; } break; case FIFO: if (host->flags & FIFO_RDY) { - host->state = READY; host->flags &= ~FIFO_RDY; + if (host->req->stop) { + tifm_sd_exec(host, host->req->stop); + host->state = SCMD; + } else { + host->state = READY; + } goto change_state; } break; case READY: - queue_work(sock->wq, &host->cmd_handler); + tasklet_schedule(&host->finish_tasklet); return; } - queue_delayed_work(sock->wq, &host->abort_handler, - host->timeout_jiffies); } /* Called from interrupt handler */ -static unsigned int tifm_sd_signal_irq(struct tifm_dev *sock, - unsigned int sock_irq_status) +static void tifm_sd_signal_irq(struct tifm_dev *sock, + unsigned int sock_irq_status) { struct tifm_sd *host; unsigned int host_status = 0, fifo_status = 0; @@ -305,7 +325,6 @@ static unsigned int tifm_sd_signal_irq(struct tifm_dev *sock, spin_lock(&sock->lock); host = mmc_priv((struct mmc_host*)tifm_get_drvdata(sock)); - cancel_delayed_work(&host->abort_handler); if (sock_irq_status & FIFO_EVENT) { fifo_status = readl(sock->addr + SOCK_DMA_FIFO_STATUS); @@ -318,19 +337,17 @@ static unsigned int tifm_sd_signal_irq(struct tifm_dev *sock, host_status = readl(sock->addr + SOCK_MMCSD_STATUS); writel(host_status, sock->addr + SOCK_MMCSD_STATUS); - if (!(host->flags & HOST_REG)) - queue_work(sock->wq, &host->cmd_handler); if (!host->req) goto done; if (host_status & TIFM_MMCSD_ERRMASK) { if (host_status & TIFM_MMCSD_CERR) error_code = MMC_ERR_FAILED; - else if (host_status & - (TIFM_MMCSD_CTO | TIFM_MMCSD_DTO)) + else if (host_status + & (TIFM_MMCSD_CTO | TIFM_MMCSD_DTO)) error_code = MMC_ERR_TIMEOUT; - else if (host_status & - (TIFM_MMCSD_CCRC | TIFM_MMCSD_DCRC)) + else if (host_status + & (TIFM_MMCSD_CCRC | TIFM_MMCSD_DCRC)) error_code = MMC_ERR_BADCRC; writel(TIFM_FIFO_INT_SETALL, @@ -340,12 +357,11 @@ static unsigned int tifm_sd_signal_irq(struct tifm_dev *sock, if (host->req->stop) { if (host->state == SCMD) { host->req->stop->error = error_code; - } else if(host->state == BRS) { + } else if (host->state == BRS + || host->state == CARD + || host->state == FIFO) { host->req->cmd->error = error_code; tifm_sd_exec(host, host->req->stop); - queue_delayed_work(sock->wq, - &host->abort_handler, - host->timeout_jiffies); host->state = SCMD; goto done; } else { @@ -359,8 +375,8 @@ static unsigned int tifm_sd_signal_irq(struct tifm_dev *sock, if (host_status & TIFM_MMCSD_CB) host->flags |= CARD_BUSY; - if ((host_status & TIFM_MMCSD_EOFB) && - (host->flags & CARD_BUSY)) { + if ((host_status & TIFM_MMCSD_EOFB) + && (host->flags & CARD_BUSY)) { host->written_blocks++; host->flags &= ~CARD_BUSY; } @@ -370,22 +386,22 @@ static unsigned int tifm_sd_signal_irq(struct tifm_dev *sock, tifm_sd_process_cmd(sock, host, host_status); done: dev_dbg(&sock->dev, "host_status %x, fifo_status %x\n", - host_status, fifo_status); + host_status, fifo_status); spin_unlock(&sock->lock); - return sock_irq_status; } -static void tifm_sd_prepare_data(struct tifm_sd *card, struct mmc_command *cmd) +static void tifm_sd_prepare_data(struct tifm_sd *host, struct mmc_command *cmd) { - struct tifm_dev *sock = card->dev; + struct tifm_dev *sock = host->dev; unsigned int dest_cnt; /* DMA style IO */ - + dev_dbg(&sock->dev, "setting dma for %d blocks\n", + cmd->data->blocks); writel(TIFM_FIFO_INT_SETALL, - sock->addr + SOCK_DMA_FIFO_INT_ENABLE_CLEAR); + sock->addr + SOCK_DMA_FIFO_INT_ENABLE_CLEAR); writel(ilog2(cmd->data->blksz) - 2, - sock->addr + SOCK_FIFO_PAGE_SIZE); + sock->addr + SOCK_FIFO_PAGE_SIZE); writel(TIFM_FIFO_ENABLE, sock->addr + SOCK_FIFO_CONTROL); writel(TIFM_FIFO_INTMASK, sock->addr + SOCK_DMA_FIFO_INT_ENABLE_SET); @@ -399,7 +415,7 @@ static void tifm_sd_prepare_data(struct tifm_sd *card, struct mmc_command *cmd) if (cmd->data->flags & MMC_DATA_WRITE) { writel(TIFM_MMCSD_TXDE, sock->addr + SOCK_MMCSD_BUFFER_CONFIG); writel(dest_cnt | TIFM_DMA_TX | TIFM_DMA_EN, - sock->addr + SOCK_DMA_CONTROL); + sock->addr + SOCK_DMA_CONTROL); } else { writel(TIFM_MMCSD_RXDE, sock->addr + SOCK_MMCSD_BUFFER_CONFIG); writel(dest_cnt | TIFM_DMA_EN, sock->addr + SOCK_DMA_CONTROL); @@ -407,7 +423,7 @@ static void tifm_sd_prepare_data(struct tifm_sd *card, struct mmc_command *cmd) } static void tifm_sd_set_data_timeout(struct tifm_sd *host, - struct mmc_data *data) + struct mmc_data *data) { struct tifm_dev *sock = host->dev; unsigned int data_timeout = data->timeout_clks; @@ -416,22 +432,21 @@ static void tifm_sd_set_data_timeout(struct tifm_sd *host, return; data_timeout += data->timeout_ns / - ((1000000000 / host->clk_freq) * host->clk_div); - data_timeout *= 10; // call it fudge factor for now + ((1000000000UL / host->clk_freq) * host->clk_div); if (data_timeout < 0xffff) { - writel((~TIFM_MMCSD_DPE) & - readl(sock->addr + SOCK_MMCSD_SDIO_MODE_CONFIG), - sock->addr + SOCK_MMCSD_SDIO_MODE_CONFIG); writel(data_timeout, sock->addr + SOCK_MMCSD_DATA_TO); + writel((~TIFM_MMCSD_DPE) + & readl(sock->addr + SOCK_MMCSD_SDIO_MODE_CONFIG), + sock->addr + SOCK_MMCSD_SDIO_MODE_CONFIG); } else { - writel(TIFM_MMCSD_DPE | - readl(sock->addr + SOCK_MMCSD_SDIO_MODE_CONFIG), - sock->addr + SOCK_MMCSD_SDIO_MODE_CONFIG); data_timeout = (data_timeout >> 10) + 1; - if(data_timeout > 0xffff) + if (data_timeout > 0xffff) data_timeout = 0; /* set to unlimited */ writel(data_timeout, sock->addr + SOCK_MMCSD_DATA_TO); + writel(TIFM_MMCSD_DPE + | readl(sock->addr + SOCK_MMCSD_SDIO_MODE_CONFIG), + sock->addr + SOCK_MMCSD_SDIO_MODE_CONFIG); } } @@ -474,11 +489,10 @@ static void tifm_sd_request(struct mmc_host *mmc, struct mmc_request *mrq) } host->req = mrq; + mod_timer(&host->timer, jiffies + host->timeout_jiffies); host->state = CMD; - queue_delayed_work(sock->wq, &host->abort_handler, - host->timeout_jiffies); writel(TIFM_CTRL_LED | readl(sock->addr + SOCK_CONTROL), - sock->addr + SOCK_CONTROL); + sock->addr + SOCK_CONTROL); tifm_sd_exec(host, mrq->cmd); spin_unlock_irqrestore(&sock->lock, flags); return; @@ -493,9 +507,9 @@ err_out: mmc_request_done(mmc, mrq); } -static void tifm_sd_end_cmd(struct work_struct *work) +static void tifm_sd_end_cmd(unsigned long data) { - struct tifm_sd *host = container_of(work, struct tifm_sd, cmd_handler); + struct tifm_sd *host = (struct tifm_sd*)data; struct tifm_dev *sock = host->dev; struct mmc_host *mmc = tifm_get_drvdata(sock); struct mmc_request *mrq; @@ -504,6 +518,7 @@ static void tifm_sd_end_cmd(struct work_struct *work) spin_lock_irqsave(&sock->lock, flags); + del_timer(&host->timer); mrq = host->req; host->req = NULL; host->state = IDLE; @@ -517,8 +532,8 @@ static void tifm_sd_end_cmd(struct work_struct *work) r_data = mrq->cmd->data; if (r_data) { if (r_data->flags & MMC_DATA_WRITE) { - r_data->bytes_xfered = host->written_blocks * - r_data->blksz; + r_data->bytes_xfered = host->written_blocks + * r_data->blksz; } else { r_data->bytes_xfered = r_data->blocks - readl(sock->addr + SOCK_MMCSD_NUM_BLOCKS) - 1; @@ -532,7 +547,7 @@ static void tifm_sd_end_cmd(struct work_struct *work) } writel((~TIFM_CTRL_LED) & readl(sock->addr + SOCK_CONTROL), - sock->addr + SOCK_CONTROL); + sock->addr + SOCK_CONTROL); spin_unlock_irqrestore(&sock->lock, flags); mmc_request_done(mmc, mrq); @@ -544,15 +559,6 @@ static void tifm_sd_request_nodma(struct mmc_host *mmc, struct mmc_request *mrq) struct tifm_dev *sock = host->dev; unsigned long flags; struct mmc_data *r_data = mrq->cmd->data; - char *t_buffer = NULL; - - if (r_data) { - t_buffer = kmap(r_data->sg->page); - if (!t_buffer) { - printk(KERN_ERR DRIVER_NAME ": kmap failed\n"); - goto err_out; - } - } spin_lock_irqsave(&sock->lock, flags); if (host->flags & EJECT) { @@ -569,15 +575,14 @@ static void tifm_sd_request_nodma(struct mmc_host *mmc, struct mmc_request *mrq) if (r_data) { tifm_sd_set_data_timeout(host, r_data); - host->buffer = t_buffer + r_data->sg->offset; - host->buffer_size = mrq->cmd->data->blocks * - mrq->cmd->data->blksz; + host->buffer_size = mrq->cmd->data->blocks + * mrq->cmd->data->blksz; - writel(TIFM_MMCSD_BUFINT | - readl(sock->addr + SOCK_MMCSD_INT_ENABLE), + writel(TIFM_MMCSD_BUFINT + | readl(sock->addr + SOCK_MMCSD_INT_ENABLE), sock->addr + SOCK_MMCSD_INT_ENABLE); - writel(((TIFM_MMCSD_FIFO_SIZE - 1) << 8) | - (TIFM_MMCSD_FIFO_SIZE - 1), + writel(((TIFM_MMCSD_FIFO_SIZE - 1) << 8) + | (TIFM_MMCSD_FIFO_SIZE - 1), sock->addr + SOCK_MMCSD_BUFFER_CONFIG); host->written_blocks = 0; @@ -588,26 +593,22 @@ static void tifm_sd_request_nodma(struct mmc_host *mmc, struct mmc_request *mrq) } host->req = mrq; + mod_timer(&host->timer, jiffies + host->timeout_jiffies); host->state = CMD; - queue_delayed_work(sock->wq, &host->abort_handler, - host->timeout_jiffies); writel(TIFM_CTRL_LED | readl(sock->addr + SOCK_CONTROL), - sock->addr + SOCK_CONTROL); + sock->addr + SOCK_CONTROL); tifm_sd_exec(host, mrq->cmd); spin_unlock_irqrestore(&sock->lock, flags); return; err_out: - if (t_buffer) - kunmap(r_data->sg->page); - mrq->cmd->error = MMC_ERR_TIMEOUT; mmc_request_done(mmc, mrq); } -static void tifm_sd_end_cmd_nodma(struct work_struct *work) +static void tifm_sd_end_cmd_nodma(unsigned long data) { - struct tifm_sd *host = container_of(work, struct tifm_sd, cmd_handler); + struct tifm_sd *host = (struct tifm_sd*)data; struct tifm_dev *sock = host->dev; struct mmc_host *mmc = tifm_get_drvdata(sock); struct mmc_request *mrq; @@ -616,6 +617,7 @@ static void tifm_sd_end_cmd_nodma(struct work_struct *work) spin_lock_irqsave(&sock->lock, flags); + del_timer(&host->timer); mrq = host->req; host->req = NULL; host->state = IDLE; @@ -633,8 +635,8 @@ static void tifm_sd_end_cmd_nodma(struct work_struct *work) sock->addr + SOCK_MMCSD_INT_ENABLE); if (r_data->flags & MMC_DATA_WRITE) { - r_data->bytes_xfered = host->written_blocks * - r_data->blksz; + r_data->bytes_xfered = host->written_blocks + * r_data->blksz; } else { r_data->bytes_xfered = r_data->blocks - readl(sock->addr + SOCK_MMCSD_NUM_BLOCKS) - 1; @@ -642,29 +644,44 @@ static void tifm_sd_end_cmd_nodma(struct work_struct *work) r_data->bytes_xfered += r_data->blksz - readl(sock->addr + SOCK_MMCSD_BLOCK_LEN) + 1; } - host->buffer = NULL; host->buffer_pos = 0; host->buffer_size = 0; } writel((~TIFM_CTRL_LED) & readl(sock->addr + SOCK_CONTROL), - sock->addr + SOCK_CONTROL); + sock->addr + SOCK_CONTROL); spin_unlock_irqrestore(&sock->lock, flags); - if (r_data) - kunmap(r_data->sg->page); - mmc_request_done(mmc, mrq); } -static void tifm_sd_abort(struct work_struct *work) +static void tifm_sd_terminate(struct tifm_sd *host) +{ + struct tifm_dev *sock = host->dev; + unsigned long flags; + + writel(0, sock->addr + SOCK_MMCSD_INT_ENABLE); + mmiowb(); + spin_lock_irqsave(&sock->lock, flags); + host->flags |= EJECT; + if (host->req) { + writel(TIFM_FIFO_INT_SETALL, + sock->addr + SOCK_DMA_FIFO_INT_ENABLE_CLEAR); + writel(0, sock->addr + SOCK_DMA_FIFO_INT_ENABLE_SET); + tasklet_schedule(&host->finish_tasklet); + } + spin_unlock_irqrestore(&sock->lock, flags); +} + +static void tifm_sd_abort(unsigned long data) { - struct tifm_sd *host = - container_of(work, struct tifm_sd, abort_handler.work); + struct tifm_sd *host = (struct tifm_sd*)data; printk(KERN_ERR DRIVER_NAME - ": card failed to respond for a long period of time"); + ": card failed to respond for a long period of time"); + + tifm_sd_terminate(host); tifm_eject(host->dev); } @@ -683,9 +700,9 @@ static void tifm_sd_ios(struct mmc_host *mmc, struct mmc_ios *ios) writel(TIFM_MMCSD_4BBUS | readl(sock->addr + SOCK_MMCSD_CONFIG), sock->addr + SOCK_MMCSD_CONFIG); } else { - writel((~TIFM_MMCSD_4BBUS) & - readl(sock->addr + SOCK_MMCSD_CONFIG), - sock->addr + SOCK_MMCSD_CONFIG); + writel((~TIFM_MMCSD_4BBUS) + & readl(sock->addr + SOCK_MMCSD_CONFIG), + sock->addr + SOCK_MMCSD_CONFIG); } if (ios->clock) { @@ -704,23 +721,24 @@ static void tifm_sd_ios(struct mmc_host *mmc, struct mmc_ios *ios) if ((20000000 / clk_div1) > (24000000 / clk_div2)) { host->clk_freq = 20000000; host->clk_div = clk_div1; - writel((~TIFM_CTRL_FAST_CLK) & - readl(sock->addr + SOCK_CONTROL), - sock->addr + SOCK_CONTROL); + writel((~TIFM_CTRL_FAST_CLK) + & readl(sock->addr + SOCK_CONTROL), + sock->addr + SOCK_CONTROL); } else { host->clk_freq = 24000000; host->clk_div = clk_div2; - writel(TIFM_CTRL_FAST_CLK | - readl(sock->addr + SOCK_CONTROL), - sock->addr + SOCK_CONTROL); + writel(TIFM_CTRL_FAST_CLK + | readl(sock->addr + SOCK_CONTROL), + sock->addr + SOCK_CONTROL); } } else { host->clk_div = 0; } host->clk_div &= TIFM_MMCSD_CLKMASK; - writel(host->clk_div | ((~TIFM_MMCSD_CLKMASK) & - readl(sock->addr + SOCK_MMCSD_CONFIG)), - sock->addr + SOCK_MMCSD_CONFIG); + writel(host->clk_div + | ((~TIFM_MMCSD_CLKMASK) + & readl(sock->addr + SOCK_MMCSD_CONFIG)), + sock->addr + SOCK_MMCSD_CONFIG); if (ios->bus_mode == MMC_BUSMODE_OPENDRAIN) host->flags |= OPENDRAIN; @@ -734,7 +752,7 @@ static void tifm_sd_ios(struct mmc_host *mmc, struct mmc_ios *ios) // allow removal. if ((host->flags & EJECT) && ios->power_mode == MMC_POWER_OFF) { host->flags |= EJECT_DONE; - wake_up_all(&host->can_eject); + wake_up_all(&host->notify); } spin_unlock_irqrestore(&sock->lock, flags); @@ -762,20 +780,67 @@ static struct mmc_host_ops tifm_sd_ops = { .get_ro = tifm_sd_ro }; -static void tifm_sd_register_host(struct work_struct *work) +static int tifm_sd_initialize_host(struct tifm_sd *host) { - struct tifm_sd *host = container_of(work, struct tifm_sd, cmd_handler); + int rc; + unsigned int host_status = 0; struct tifm_dev *sock = host->dev; - struct mmc_host *mmc = tifm_get_drvdata(sock); - unsigned long flags; - spin_lock_irqsave(&sock->lock, flags); - host->flags |= HOST_REG; - PREPARE_WORK(&host->cmd_handler, - no_dma ? tifm_sd_end_cmd_nodma : tifm_sd_end_cmd); - spin_unlock_irqrestore(&sock->lock, flags); - dev_dbg(&sock->dev, "adding host\n"); - mmc_add_host(mmc); + writel(0, sock->addr + SOCK_MMCSD_INT_ENABLE); + mmiowb(); + host->clk_div = 61; + host->clk_freq = 20000000; + writel(TIFM_MMCSD_RESET, sock->addr + SOCK_MMCSD_SYSTEM_CONTROL); + writel(host->clk_div | TIFM_MMCSD_POWER, + sock->addr + SOCK_MMCSD_CONFIG); + + /* wait up to 0.51 sec for reset */ + for (rc = 2; rc <= 256; rc <<= 1) { + if (1 & readl(sock->addr + SOCK_MMCSD_SYSTEM_STATUS)) { + rc = 0; + break; + } + msleep(rc); + } + + if (rc) { + printk(KERN_ERR DRIVER_NAME + ": controller failed to reset\n"); + return -ENODEV; + } + + writel(0, sock->addr + SOCK_MMCSD_NUM_BLOCKS); + writel(host->clk_div | TIFM_MMCSD_POWER, + sock->addr + SOCK_MMCSD_CONFIG); + writel(TIFM_MMCSD_RXDE, sock->addr + SOCK_MMCSD_BUFFER_CONFIG); + + // command timeout fixed to 64 clocks for now + writel(64, sock->addr + SOCK_MMCSD_COMMAND_TO); + writel(TIFM_MMCSD_INAB, sock->addr + SOCK_MMCSD_COMMAND); + + /* INAB should take much less than reset */ + for (rc = 1; rc <= 16; rc <<= 1) { + host_status = readl(sock->addr + SOCK_MMCSD_STATUS); + writel(host_status, sock->addr + SOCK_MMCSD_STATUS); + if (!(host_status & TIFM_MMCSD_ERRMASK) + && (host_status & TIFM_MMCSD_EOC)) { + rc = 0; + break; + } + msleep(rc); + } + + if (rc) { + printk(KERN_ERR DRIVER_NAME + ": card not ready - probe failed on initialization\n"); + return -ENODEV; + } + + writel(TIFM_MMCSD_DATAMASK | TIFM_MMCSD_ERRMASK, + sock->addr + SOCK_MMCSD_INT_ENABLE); + mmiowb(); + + return 0; } static int tifm_sd_probe(struct tifm_dev *sock) @@ -784,8 +849,8 @@ static int tifm_sd_probe(struct tifm_dev *sock) struct tifm_sd *host; int rc = -EIO; - if (!(TIFM_SOCK_STATE_OCCUPIED & - readl(sock->addr + SOCK_PRESENT_STATE))) { + if (!(TIFM_SOCK_STATE_OCCUPIED + & readl(sock->addr + SOCK_PRESENT_STATE))) { printk(KERN_WARNING DRIVER_NAME ": card gone, unexpectedly\n"); return rc; } @@ -795,109 +860,99 @@ static int tifm_sd_probe(struct tifm_dev *sock) return -ENOMEM; host = mmc_priv(mmc); - host->dev = sock; - host->clk_div = 61; - init_waitqueue_head(&host->can_eject); - INIT_WORK(&host->cmd_handler, tifm_sd_register_host); - INIT_DELAYED_WORK(&host->abort_handler, tifm_sd_abort); - tifm_set_drvdata(sock, mmc); - sock->signal_irq = tifm_sd_signal_irq; - - host->clk_freq = 20000000; + host->dev = sock; host->timeout_jiffies = msecs_to_jiffies(1000); + init_waitqueue_head(&host->notify); + tasklet_init(&host->finish_tasklet, + no_dma ? tifm_sd_end_cmd_nodma : tifm_sd_end_cmd, + (unsigned long)host); + setup_timer(&host->timer, tifm_sd_abort, (unsigned long)host); + tifm_sd_ops.request = no_dma ? tifm_sd_request_nodma : tifm_sd_request; mmc->ops = &tifm_sd_ops; mmc->ocr_avail = MMC_VDD_32_33 | MMC_VDD_33_34; - mmc->caps = MMC_CAP_4_BIT_DATA; + mmc->caps = MMC_CAP_4_BIT_DATA | MMC_CAP_MULTIWRITE; mmc->f_min = 20000000 / 60; mmc->f_max = 24000000; mmc->max_hw_segs = 1; mmc->max_phys_segs = 1; - mmc->max_sectors = 127; - mmc->max_seg_size = mmc->max_sectors << 11; //2k maximum hw block length - - writel(0, sock->addr + SOCK_MMCSD_INT_ENABLE); - writel(TIFM_MMCSD_RESET, sock->addr + SOCK_MMCSD_SYSTEM_CONTROL); - writel(host->clk_div | TIFM_MMCSD_POWER, - sock->addr + SOCK_MMCSD_CONFIG); + // limited by DMA counter - it's safer to stick with + // block counter has 11 bits though + mmc->max_blk_count = 256; + // 2k maximum hw block length + mmc->max_blk_size = 2048; + mmc->max_req_size = mmc->max_blk_size * mmc->max_blk_count; + mmc->max_seg_size = mmc->max_req_size; + sock->signal_irq = tifm_sd_signal_irq; + rc = tifm_sd_initialize_host(host); - for (rc = 0; rc < 50; rc++) { - /* Wait for reset ack */ - if (1 & readl(sock->addr + SOCK_MMCSD_SYSTEM_STATUS)) { - rc = 0; - break; - } - msleep(10); - } + if (!rc) + rc = mmc_add_host(mmc); + if (rc) + goto out_free_mmc; - if (rc) { - printk(KERN_ERR DRIVER_NAME - ": card not ready - probe failed\n"); - mmc_free_host(mmc); - return -ENODEV; - } + return 0; +out_free_mmc: + mmc_free_host(mmc); + return rc; +} - writel(0, sock->addr + SOCK_MMCSD_NUM_BLOCKS); - writel(host->clk_div | TIFM_MMCSD_POWER, - sock->addr + SOCK_MMCSD_CONFIG); - writel(TIFM_MMCSD_RXDE, sock->addr + SOCK_MMCSD_BUFFER_CONFIG); - writel(TIFM_MMCSD_DATAMASK | TIFM_MMCSD_ERRMASK, - sock->addr + SOCK_MMCSD_INT_ENABLE); +static void tifm_sd_remove(struct tifm_dev *sock) +{ + struct mmc_host *mmc = tifm_get_drvdata(sock); + struct tifm_sd *host = mmc_priv(mmc); - writel(64, sock->addr + SOCK_MMCSD_COMMAND_TO); // command timeout 64 clocks for now - writel(TIFM_MMCSD_INAB, sock->addr + SOCK_MMCSD_COMMAND); - writel(host->clk_div | TIFM_MMCSD_POWER, - sock->addr + SOCK_MMCSD_CONFIG); + del_timer_sync(&host->timer); + tifm_sd_terminate(host); + wait_event_timeout(host->notify, host->flags & EJECT_DONE, + host->timeout_jiffies); + tasklet_kill(&host->finish_tasklet); + mmc_remove_host(mmc); - queue_delayed_work(sock->wq, &host->abort_handler, - host->timeout_jiffies); + /* The meaning of the bit majority in this constant is unknown. */ + writel(0xfff8 & readl(sock->addr + SOCK_CONTROL), + sock->addr + SOCK_CONTROL); - return 0; + tifm_set_drvdata(sock, NULL); + mmc_free_host(mmc); } -static int tifm_sd_host_is_down(struct tifm_dev *sock) +#ifdef CONFIG_PM + +static int tifm_sd_suspend(struct tifm_dev *sock, pm_message_t state) { struct mmc_host *mmc = tifm_get_drvdata(sock); - struct tifm_sd *host = mmc_priv(mmc); - unsigned long flags; - int rc = 0; + int rc; - spin_lock_irqsave(&sock->lock, flags); - rc = (host->flags & EJECT_DONE); - spin_unlock_irqrestore(&sock->lock, flags); + rc = mmc_suspend_host(mmc, state); + /* The meaning of the bit majority in this constant is unknown. */ + writel(0xfff8 & readl(sock->addr + SOCK_CONTROL), + sock->addr + SOCK_CONTROL); return rc; } -static void tifm_sd_remove(struct tifm_dev *sock) +static int tifm_sd_resume(struct tifm_dev *sock) { struct mmc_host *mmc = tifm_get_drvdata(sock); struct tifm_sd *host = mmc_priv(mmc); - unsigned long flags; - spin_lock_irqsave(&sock->lock, flags); - host->flags |= EJECT; - if (host->req) - queue_work(sock->wq, &host->cmd_handler); - spin_unlock_irqrestore(&sock->lock, flags); - wait_event_timeout(host->can_eject, tifm_sd_host_is_down(sock), - host->timeout_jiffies); + if (sock->media_id != FM_SD + || tifm_sd_initialize_host(host)) { + tifm_eject(sock); + return 0; + } else { + return mmc_resume_host(mmc); + } +} - if (host->flags & HOST_REG) - mmc_remove_host(mmc); +#else - /* The meaning of the bit majority in this constant is unknown. */ - writel(0xfff8 & readl(sock->addr + SOCK_CONTROL), - sock->addr + SOCK_CONTROL); - writel(0, sock->addr + SOCK_MMCSD_INT_ENABLE); - writel(TIFM_FIFO_INT_SETALL, - sock->addr + SOCK_DMA_FIFO_INT_ENABLE_CLEAR); - writel(0, sock->addr + SOCK_DMA_FIFO_INT_ENABLE_SET); +#define tifm_sd_suspend NULL +#define tifm_sd_resume NULL - tifm_set_drvdata(sock, NULL); - mmc_free_host(mmc); -} +#endif /* CONFIG_PM */ static tifm_media_id tifm_sd_id_tbl[] = { FM_SD, 0 @@ -910,7 +965,9 @@ static struct tifm_driver tifm_sd_driver = { }, .id_table = tifm_sd_id_tbl, .probe = tifm_sd_probe, - .remove = tifm_sd_remove + .remove = tifm_sd_remove, + .suspend = tifm_sd_suspend, + .resume = tifm_sd_resume }; static int __init tifm_sd_init(void) diff --git a/drivers/mmc/wbsd.c b/drivers/mmc/wbsd.c index 7a282672f8e..a44d8777ab9 100644 --- a/drivers/mmc/wbsd.c +++ b/drivers/mmc/wbsd.c @@ -1,7 +1,7 @@ /* * linux/drivers/mmc/wbsd.c - Winbond W83L51xD SD/MMC driver * - * Copyright (C) 2004-2005 Pierre Ossman, All Rights Reserved. + * Copyright (C) 2004-2006 Pierre Ossman, All Rights Reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -272,16 +272,9 @@ static inline int wbsd_next_sg(struct wbsd_host *host) return host->num_sg; } -static inline char *wbsd_kmap_sg(struct wbsd_host *host) +static inline char *wbsd_sg_to_buffer(struct wbsd_host *host) { - host->mapped_sg = kmap_atomic(host->cur_sg->page, KM_BIO_SRC_IRQ) + - host->cur_sg->offset; - return host->mapped_sg; -} - -static inline void wbsd_kunmap_sg(struct wbsd_host *host) -{ - kunmap_atomic(host->mapped_sg, KM_BIO_SRC_IRQ); + return page_address(host->cur_sg->page) + host->cur_sg->offset; } static inline void wbsd_sg_to_dma(struct wbsd_host *host, struct mmc_data *data) @@ -302,12 +295,11 @@ static inline void wbsd_sg_to_dma(struct wbsd_host *host, struct mmc_data *data) * we do not transfer too much. */ for (i = 0; i < len; i++) { - sgbuf = kmap_atomic(sg[i].page, KM_BIO_SRC_IRQ) + sg[i].offset; + sgbuf = page_address(sg[i].page) + sg[i].offset; if (size < sg[i].length) memcpy(dmabuf, sgbuf, size); else memcpy(dmabuf, sgbuf, sg[i].length); - kunmap_atomic(sgbuf, KM_BIO_SRC_IRQ); dmabuf += sg[i].length; if (size < sg[i].length) @@ -347,7 +339,7 @@ static inline void wbsd_dma_to_sg(struct wbsd_host *host, struct mmc_data *data) * we do not transfer too much. */ for (i = 0; i < len; i++) { - sgbuf = kmap_atomic(sg[i].page, KM_BIO_SRC_IRQ) + sg[i].offset; + sgbuf = page_address(sg[i].page) + sg[i].offset; if (size < sg[i].length) memcpy(sgbuf, dmabuf, size); else @@ -497,7 +489,7 @@ static void wbsd_empty_fifo(struct wbsd_host *host) if (data->bytes_xfered == host->size) return; - buffer = wbsd_kmap_sg(host) + host->offset; + buffer = wbsd_sg_to_buffer(host) + host->offset; /* * Drain the fifo. This has a tendency to loop longer @@ -526,17 +518,13 @@ static void wbsd_empty_fifo(struct wbsd_host *host) /* * Transfer done? */ - if (data->bytes_xfered == host->size) { - wbsd_kunmap_sg(host); + if (data->bytes_xfered == host->size) return; - } /* * End of scatter list entry? */ if (host->remain == 0) { - wbsd_kunmap_sg(host); - /* * Get next entry. Check if last. */ @@ -554,13 +542,11 @@ static void wbsd_empty_fifo(struct wbsd_host *host) return; } - buffer = wbsd_kmap_sg(host); + buffer = wbsd_sg_to_buffer(host); } } } - wbsd_kunmap_sg(host); - /* * This is a very dirty hack to solve a * hardware problem. The chip doesn't trigger @@ -583,7 +569,7 @@ static void wbsd_fill_fifo(struct wbsd_host *host) if (data->bytes_xfered == host->size) return; - buffer = wbsd_kmap_sg(host) + host->offset; + buffer = wbsd_sg_to_buffer(host) + host->offset; /* * Fill the fifo. This has a tendency to loop longer @@ -612,17 +598,13 @@ static void wbsd_fill_fifo(struct wbsd_host *host) /* * Transfer done? */ - if (data->bytes_xfered == host->size) { - wbsd_kunmap_sg(host); + if (data->bytes_xfered == host->size) return; - } /* * End of scatter list entry? */ if (host->remain == 0) { - wbsd_kunmap_sg(host); - /* * Get next entry. Check if last. */ @@ -640,13 +622,11 @@ static void wbsd_fill_fifo(struct wbsd_host *host) return; } - buffer = wbsd_kmap_sg(host); + buffer = wbsd_sg_to_buffer(host); } } } - wbsd_kunmap_sg(host); - /* * The controller stops sending interrupts for * 'FIFO empty' under certain conditions. So we @@ -910,6 +890,45 @@ static void wbsd_request(struct mmc_host *mmc, struct mmc_request *mrq) */ if (cmd->data && (cmd->error == MMC_ERR_NONE)) { /* + * The hardware is so delightfully stupid that it has a list + * of "data" commands. If a command isn't on this list, it'll + * just go back to the idle state and won't send any data + * interrupts. + */ + switch (cmd->opcode) { + case 11: + case 17: + case 18: + case 20: + case 24: + case 25: + case 26: + case 27: + case 30: + case 42: + case 56: + break; + + /* ACMDs. We don't keep track of state, so we just treat them + * like any other command. */ + case 51: + break; + + default: +#ifdef CONFIG_MMC_DEBUG + printk(KERN_WARNING "%s: Data command %d is not " + "supported by this controller.\n", + mmc_hostname(host->mmc), cmd->opcode); +#endif + cmd->data->error = MMC_ERR_INVALID; + + if (cmd->data->stop) + wbsd_send_command(host, cmd->data->stop); + + goto done; + }; + + /* * Dirty fix for hardware bug. */ if (host->dma == -1) @@ -1343,16 +1362,27 @@ static int __devinit wbsd_alloc_mmc(struct device *dev) mmc->max_phys_segs = 128; /* - * Maximum number of sectors in one transfer. Also limited by 64kB - * buffer. + * Maximum request size. Also limited by 64KiB buffer. */ - mmc->max_sectors = 128; + mmc->max_req_size = 65536; /* * Maximum segment size. Could be one segment with the maximum number - * of segments. + * of bytes. + */ + mmc->max_seg_size = mmc->max_req_size; + + /* + * Maximum block size. We have 12 bits (= 4095) but have to subtract + * space for CRC. So the maximum is 4095 - 4*2 = 4087. + */ + mmc->max_blk_size = 4087; + + /* + * Maximum block count. There is no real limit so the maximum + * request size will be the only restriction. */ - mmc->max_seg_size = mmc->max_sectors * 512; + mmc->max_blk_count = mmc->max_req_size; dev_set_drvdata(dev, mmc); diff --git a/drivers/mmc/wbsd.h b/drivers/mmc/wbsd.h index 6072993f01e..d06718b0e2a 100644 --- a/drivers/mmc/wbsd.h +++ b/drivers/mmc/wbsd.h @@ -154,7 +154,6 @@ struct wbsd_host struct scatterlist* cur_sg; /* Current SG entry */ unsigned int num_sg; /* Number of entries left */ - void* mapped_sg; /* vaddr of mapped sg */ unsigned int offset; /* Offset into current entry */ unsigned int remain; /* Data left in curren entry */ diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c index bd1faebf61a..fca978fb158 100644 --- a/drivers/pci/hotplug/acpiphp_glue.c +++ b/drivers/pci/hotplug/acpiphp_glue.c @@ -773,13 +773,13 @@ static int get_gsi_base(acpi_handle handle, u32 *gsi_base) goto out; table = obj->buffer.pointer; - switch (((acpi_table_entry_header *)table)->type) { - case ACPI_MADT_IOSAPIC: - *gsi_base = ((struct acpi_table_iosapic *)table)->global_irq_base; + switch (((struct acpi_subtable_header *)table)->type) { + case ACPI_MADT_TYPE_IO_SAPIC: + *gsi_base = ((struct acpi_madt_io_sapic *)table)->global_irq_base; result = 0; break; - case ACPI_MADT_IOAPIC: - *gsi_base = ((struct acpi_table_ioapic *)table)->global_irq_base; + case ACPI_MADT_TYPE_IO_APIC: + *gsi_base = ((struct acpi_madt_io_apic *)table)->global_irq_base; result = 0; break; default: diff --git a/drivers/pci/hotplug/sgi_hotplug.c b/drivers/pci/hotplug/sgi_hotplug.c index 5d188c55838..78cf0711d1f 100644 --- a/drivers/pci/hotplug/sgi_hotplug.c +++ b/drivers/pci/hotplug/sgi_hotplug.c @@ -28,6 +28,8 @@ #include <asm/sn/sn_feature_sets.h> #include <asm/sn/sn_sal.h> #include <asm/sn/types.h> +#include <linux/acpi.h> +#include <asm/sn/acpi.h> #include "../pci.h" @@ -35,14 +37,17 @@ MODULE_LICENSE("GPL"); MODULE_AUTHOR("SGI (prarit@sgi.com, dickie@sgi.com, habeck@sgi.com)"); MODULE_DESCRIPTION("SGI Altix Hot Plug PCI Controller Driver"); -#define PCIIO_ASIC_TYPE_TIOCA 4 + +/* SAL call error codes. Keep in sync with prom header io/include/pcibr.h */ #define PCI_SLOT_ALREADY_UP 2 /* slot already up */ #define PCI_SLOT_ALREADY_DOWN 3 /* slot already down */ #define PCI_L1_ERR 7 /* L1 console command error */ #define PCI_EMPTY_33MHZ 15 /* empty 33 MHz bus */ + + +#define PCIIO_ASIC_TYPE_TIOCA 4 #define PCI_L1_QSIZE 128 /* our L1 message buffer size */ #define SN_MAX_HP_SLOTS 32 /* max hotplug slots */ -#define SGI_HOTPLUG_PROM_REV 0x0430 /* Min. required PROM version */ #define SN_SLOT_NAME_SIZE 33 /* size of name string */ /* internal list head */ @@ -227,7 +232,7 @@ static void sn_bus_free_data(struct pci_dev *dev) } static int sn_slot_enable(struct hotplug_slot *bss_hotplug_slot, - int device_num) + int device_num, char **ssdt) { struct slot *slot = bss_hotplug_slot->private; struct pcibus_info *pcibus_info; @@ -240,7 +245,8 @@ static int sn_slot_enable(struct hotplug_slot *bss_hotplug_slot, * Power-on and initialize the slot in the SN * PCI infrastructure. */ - rc = sal_pcibr_slot_enable(pcibus_info, device_num, &resp); + rc = sal_pcibr_slot_enable(pcibus_info, device_num, &resp, ssdt); + if (rc == PCI_SLOT_ALREADY_UP) { dev_dbg(slot->pci_bus->self, "is already active\n"); @@ -335,6 +341,7 @@ static int enable_slot(struct hotplug_slot *bss_hotplug_slot) int func, num_funcs; int new_ppb = 0; int rc; + char *ssdt = NULL; void pcibios_fixup_device_resources(struct pci_dev *); /* Serialize the Linux PCI infrastructure */ @@ -342,14 +349,29 @@ static int enable_slot(struct hotplug_slot *bss_hotplug_slot) /* * Power-on and initialize the slot in the SN - * PCI infrastructure. + * PCI infrastructure. Also, retrieve the ACPI SSDT + * table for the slot (if ACPI capable PROM). */ - rc = sn_slot_enable(bss_hotplug_slot, slot->device_num); + rc = sn_slot_enable(bss_hotplug_slot, slot->device_num, &ssdt); if (rc) { mutex_unlock(&sn_hotplug_mutex); return rc; } + if (ssdt) + ssdt = __va(ssdt); + /* Add the new SSDT for the slot to the ACPI namespace */ + if (SN_ACPI_BASE_SUPPORT() && ssdt) { + acpi_status ret; + + ret = acpi_load_table((struct acpi_table_header *)ssdt); + if (ACPI_FAILURE(ret)) { + printk(KERN_ERR "%s: acpi_load_table failed (0x%x)\n", + __FUNCTION__, ret); + /* try to continue on */ + } + } + num_funcs = pci_scan_slot(slot->pci_bus, PCI_DEVFN(slot->device_num + 1, 0)); if (!num_funcs) { @@ -374,7 +396,10 @@ static int enable_slot(struct hotplug_slot *bss_hotplug_slot) * pdi_host_pcidev_info). */ pcibios_fixup_device_resources(dev); - sn_pci_fixup_slot(dev); + if (SN_ACPI_BASE_SUPPORT()) + sn_acpi_slot_fixup(dev); + else + sn_io_slot_fixup(dev); if (dev->hdr_type == PCI_HEADER_TYPE_BRIDGE) { unsigned char sec_bus; pci_read_config_byte(dev, PCI_SECONDARY_BUS, @@ -388,6 +413,63 @@ static int enable_slot(struct hotplug_slot *bss_hotplug_slot) } } + /* + * Add the slot's devices to the ACPI infrastructure */ + if (SN_ACPI_BASE_SUPPORT() && ssdt) { + unsigned long adr; + struct acpi_device *pdevice; + struct acpi_device *device; + acpi_handle phandle; + acpi_handle chandle = NULL; + acpi_handle rethandle; + acpi_status ret; + + phandle = PCI_CONTROLLER(slot->pci_bus)->acpi_handle; + + if (acpi_bus_get_device(phandle, &pdevice)) { + dev_dbg(slot->pci_bus->self, + "no parent device, assuming NULL\n"); + pdevice = NULL; + } + + /* + * Walk the rootbus node's immediate children looking for + * the slot's device node(s). There can be more than + * one for multifunction devices. + */ + for (;;) { + rethandle = NULL; + ret = acpi_get_next_object(ACPI_TYPE_DEVICE, + phandle, chandle, + &rethandle); + + if (ret == AE_NOT_FOUND || rethandle == NULL) + break; + + chandle = rethandle; + + ret = acpi_evaluate_integer(chandle, METHOD_NAME__ADR, + NULL, &adr); + + if (ACPI_SUCCESS(ret) && + (adr>>16) == (slot->device_num + 1)) { + + ret = acpi_bus_add(&device, pdevice, chandle, + ACPI_BUS_TYPE_DEVICE); + if (ACPI_FAILURE(ret)) { + printk(KERN_ERR "%s: acpi_bus_add " + "failed (0x%x) for slot %d " + "func %d\n", __FUNCTION__, + ret, (int)(adr>>16), + (int)(adr&0xffff)); + /* try to continue on */ + } else { + acpi_bus_start(device); + } + } + } + } + /* Call the driver for the new device */ pci_bus_add_devices(slot->pci_bus); /* Call the drivers for the new devices subordinate to PPB */ @@ -412,6 +494,7 @@ static int disable_slot(struct hotplug_slot *bss_hotplug_slot) struct pci_dev *dev; int func; int rc; + acpi_owner_id ssdt_id = 0; /* Acquire update access to the bus */ mutex_lock(&sn_hotplug_mutex); @@ -422,6 +505,52 @@ static int disable_slot(struct hotplug_slot *bss_hotplug_slot) if (rc) goto leaving; + /* free the ACPI resources for the slot */ + if (SN_ACPI_BASE_SUPPORT() && + PCI_CONTROLLER(slot->pci_bus)->acpi_handle) { + unsigned long adr; + struct acpi_device *device; + acpi_handle phandle; + acpi_handle chandle = NULL; + acpi_handle rethandle; + acpi_status ret; + + /* Get the rootbus node pointer */ + phandle = PCI_CONTROLLER(slot->pci_bus)->acpi_handle; + + /* + * Walk the rootbus node's immediate children looking for + * the slot's device node(s). There can be more than + * one for multifunction devices. + */ + for (;;) { + rethandle = NULL; + ret = acpi_get_next_object(ACPI_TYPE_DEVICE, + phandle, chandle, + &rethandle); + + if (ret == AE_NOT_FOUND || rethandle == NULL) + break; + + chandle = rethandle; + + ret = acpi_evaluate_integer(chandle, + METHOD_NAME__ADR, + NULL, &adr); + if (ACPI_SUCCESS(ret) && + (adr>>16) == (slot->device_num + 1)) { + /* retain the owner id */ + acpi_get_id(chandle, &ssdt_id); + + ret = acpi_bus_get_device(chandle, + &device); + if (ACPI_SUCCESS(ret)) + acpi_bus_trim(device, 1); + } + } + + } + /* Free the SN resources assigned to the Linux device.*/ for (func = 0; func < 8; func++) { dev = pci_get_slot(slot->pci_bus, @@ -434,6 +563,18 @@ static int disable_slot(struct hotplug_slot *bss_hotplug_slot) } } + /* Remove the SSDT for the slot from the ACPI namespace */ + if (SN_ACPI_BASE_SUPPORT() && ssdt_id) { + acpi_status ret; + ret = acpi_unload_table_id(ssdt_id); + if (ACPI_FAILURE(ret)) { + printk(KERN_ERR "%s: acpi_unload_table_id " + "failed (0x%x) for id %d\n", + __FUNCTION__, ret, ssdt_id); + /* try to continue on */ + } + } + /* free the collected sysdata pointers */ sn_bus_free_sysdata(); diff --git a/drivers/pnp/pnpacpi/Kconfig b/drivers/pnp/pnpacpi/Kconfig index b1854171b96..ad27e5e0101 100644 --- a/drivers/pnp/pnpacpi/Kconfig +++ b/drivers/pnp/pnpacpi/Kconfig @@ -2,8 +2,8 @@ # Plug and Play ACPI configuration # config PNPACPI - bool "Plug and Play ACPI support (EXPERIMENTAL)" - depends on PNP && ACPI && EXPERIMENTAL + bool "Plug and Play ACPI support" + depends on PNP && ACPI default y ---help--- Linux uses the PNPACPI to autodetect built-in diff --git a/drivers/pnp/system.c b/drivers/pnp/system.c index d42015c382a..2065e74bb63 100644 --- a/drivers/pnp/system.c +++ b/drivers/pnp/system.c @@ -3,7 +3,8 @@ * * Some code is based on pnpbios_core.c * Copyright 2002 Adam Belay <ambx1@neo.rr.com> - * + * (c) Copyright 2007 Hewlett-Packard Development Company, L.P. + * Bjorn Helgaas <bjorn.helgaas@hp.com> */ #include <linux/pnp.h> @@ -21,18 +22,21 @@ static const struct pnp_device_id pnp_dev_table[] = { { "", 0 } }; -static void reserve_ioport_range(char *pnpid, int start, int end) +static void reserve_range(char *pnpid, int start, int end, int port) { struct resource *res; char *regionid; regionid = kmalloc(16, GFP_KERNEL); - if ( regionid == NULL ) + if (regionid == NULL) return; snprintf(regionid, 16, "pnp %s", pnpid); - res = request_region(start,end-start+1,regionid); - if ( res == NULL ) - kfree( regionid ); + if (port) + res = request_region(start,end-start+1,regionid); + else + res = request_mem_region(start,end-start+1,regionid); + if (res == NULL) + kfree(regionid); else res->flags &= ~IORESOURCE_BUSY; /* @@ -41,26 +45,20 @@ static void reserve_ioport_range(char *pnpid, int start, int end) * have double reservations. */ printk(KERN_INFO - "pnp: %s: ioport range 0x%x-0x%x %s reserved\n", - pnpid, start, end, - NULL != res ? "has been" : "could not be" - ); - - return; + "pnp: %s: %s range 0x%x-0x%x %s reserved\n", + pnpid, port ? "ioport" : "iomem", start, end, + NULL != res ? "has been" : "could not be"); } -static void reserve_resources_of_dev( struct pnp_dev *dev ) +static void reserve_resources_of_dev(struct pnp_dev *dev) { int i; - for (i=0;i<PNP_MAX_PORT;i++) { + for (i = 0; i < PNP_MAX_PORT; i++) { if (!pnp_port_valid(dev, i)) - /* end of resources */ continue; if (pnp_port_start(dev, i) == 0) - /* disabled */ - /* Do nothing */ - continue; + continue; /* disabled */ if (pnp_port_start(dev, i) < 0x100) /* * Below 0x100 is only standard PC hardware @@ -72,14 +70,18 @@ static void reserve_resources_of_dev( struct pnp_dev *dev ) */ continue; if (pnp_port_end(dev, i) < pnp_port_start(dev, i)) - /* invalid endpoint */ - /* Do nothing */ + continue; /* invalid */ + + reserve_range(dev->dev.bus_id, pnp_port_start(dev, i), + pnp_port_end(dev, i), 1); + } + + for (i = 0; i < PNP_MAX_MEM; i++) { + if (!pnp_mem_valid(dev, i)) continue; - reserve_ioport_range( - dev->dev.bus_id, - pnp_port_start(dev, i), - pnp_port_end(dev, i) - ); + + reserve_range(dev->dev.bus_id, pnp_mem_start(dev, i), + pnp_mem_end(dev, i), 0); } return; diff --git a/drivers/s390/Kconfig b/drivers/s390/Kconfig index ae89b9b8874..165af398fde 100644 --- a/drivers/s390/Kconfig +++ b/drivers/s390/Kconfig @@ -103,14 +103,8 @@ config CCW_CONSOLE depends on TN3215_CONSOLE || TN3270_CONSOLE default y -config SCLP - bool "Support for SCLP" - help - Include support for the SCLP interface to the service element. - config SCLP_TTY bool "Support for SCLP line mode terminal" - depends on SCLP help Include support for IBM SCLP line-mode terminals. @@ -123,7 +117,6 @@ config SCLP_CONSOLE config SCLP_VT220_TTY bool "Support for SCLP VT220-compatible terminal" - depends on SCLP help Include support for an IBM SCLP VT220-compatible terminal. @@ -136,7 +129,6 @@ config SCLP_VT220_CONSOLE config SCLP_CPI tristate "Control-Program Identification" - depends on SCLP help This option enables the hardware console interface for system identification. This is commonly used for workload management and diff --git a/drivers/s390/Makefile b/drivers/s390/Makefile index 9803c9352d7..5a888704a8d 100644 --- a/drivers/s390/Makefile +++ b/drivers/s390/Makefile @@ -2,6 +2,8 @@ # Makefile for the S/390 specific device drivers # +CFLAGS_sysinfo.o += -Iinclude/math-emu -Iarch/s390/math-emu -w + obj-y += s390mach.o sysinfo.o s390_rdev.o obj-y += cio/ block/ char/ crypto/ net/ scsi/ diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c index 492b68bcd7c..eb5dc62f0d9 100644 --- a/drivers/s390/block/dasd.c +++ b/drivers/s390/block/dasd.c @@ -37,6 +37,7 @@ */ debug_info_t *dasd_debug_area; struct dasd_discipline *dasd_diag_discipline_pointer; +void dasd_int_handler(struct ccw_device *, unsigned long, struct irb *); MODULE_AUTHOR("Holger Smolinski <Holger.Smolinski@de.ibm.com>"); MODULE_DESCRIPTION("Linux on S/390 DASD device driver," @@ -51,7 +52,6 @@ static int dasd_alloc_queue(struct dasd_device * device); static void dasd_setup_queue(struct dasd_device * device); static void dasd_free_queue(struct dasd_device * device); static void dasd_flush_request_queue(struct dasd_device *); -static void dasd_int_handler(struct ccw_device *, unsigned long, struct irb *); static int dasd_flush_ccw_queue(struct dasd_device *, int); static void dasd_tasklet(struct dasd_device *); static void do_kick_device(struct work_struct *); @@ -483,7 +483,7 @@ unsigned int dasd_profile_level = DASD_PROFILE_OFF; /* * Add profiling information for cqr before execution. */ -static inline void +static void dasd_profile_start(struct dasd_device *device, struct dasd_ccw_req * cqr, struct request *req) { @@ -505,7 +505,7 @@ dasd_profile_start(struct dasd_device *device, struct dasd_ccw_req * cqr, /* * Add profiling information for cqr after execution. */ -static inline void +static void dasd_profile_end(struct dasd_device *device, struct dasd_ccw_req * cqr, struct request *req) { @@ -1022,8 +1022,6 @@ dasd_int_handler(struct ccw_device *cdev, unsigned long intparm, irb->scsw.cstat == 0 && !irb->esw.esw0.erw.cons) era = dasd_era_none; - else if (!test_bit(DASD_CQR_FLAGS_USE_ERP, &cqr->flags)) - era = dasd_era_fatal; /* don't recover this request */ else if (irb->esw.esw0.erw.cons) era = device->discipline->examine_error(cqr, irb); else @@ -1104,7 +1102,7 @@ __dasd_process_erp(struct dasd_device *device, struct dasd_ccw_req *cqr) /* * Process ccw request queue. */ -static inline void +static void __dasd_process_ccw_queue(struct dasd_device * device, struct list_head *final_queue) { @@ -1127,7 +1125,9 @@ restart: cqr->status = DASD_CQR_FAILED; cqr->stopclk = get_clock(); } else { - if (cqr->irb.esw.esw0.erw.cons) { + if (cqr->irb.esw.esw0.erw.cons && + test_bit(DASD_CQR_FLAGS_USE_ERP, + &cqr->flags)) { erp_fn = device->discipline-> erp_action(cqr); erp_fn(cqr); @@ -1181,7 +1181,7 @@ dasd_end_request_cb(struct dasd_ccw_req * cqr, void *data) /* * Fetch requests from the block device queue. */ -static inline void +static void __dasd_process_blk_queue(struct dasd_device * device) { request_queue_t *queue; @@ -1232,6 +1232,19 @@ __dasd_process_blk_queue(struct dasd_device * device) if (IS_ERR(cqr)) { if (PTR_ERR(cqr) == -ENOMEM) break; /* terminate request queue loop */ + if (PTR_ERR(cqr) == -EAGAIN) { + /* + * The current request cannot be build right + * now, we have to try later. If this request + * is the head-of-queue we stop the device + * for 1/2 second. + */ + if (!list_empty(&device->ccw_queue)) + break; + device->stopped |= DASD_STOPPED_PENDING; + dasd_set_timer(device, HZ/2); + break; + } DBF_DEV_EVENT(DBF_ERR, device, "CCW creation failed (rc=%ld) " "on request %p", @@ -1254,7 +1267,7 @@ __dasd_process_blk_queue(struct dasd_device * device) * Take a look at the first request on the ccw queue and check * if it reached its expire time. If so, terminate the IO. */ -static inline void +static void __dasd_check_expire(struct dasd_device * device) { struct dasd_ccw_req *cqr; @@ -1285,7 +1298,7 @@ __dasd_check_expire(struct dasd_device * device) * Take a look at the first request on the ccw queue and check * if it needs to be started. */ -static inline void +static void __dasd_start_head(struct dasd_device * device) { struct dasd_ccw_req *cqr; diff --git a/drivers/s390/block/dasd_3990_erp.c b/drivers/s390/block/dasd_3990_erp.c index 4d01040c2c6..8b9d68f6e01 100644 --- a/drivers/s390/block/dasd_3990_erp.c +++ b/drivers/s390/block/dasd_3990_erp.c @@ -170,7 +170,6 @@ dasd_3990_erp_examine(struct dasd_ccw_req * cqr, struct irb * irb) /* log the erp chain if fatal error occurred */ if ((era == dasd_era_fatal) && (device->state >= DASD_STATE_READY)) { dasd_log_sense(cqr, irb); - dasd_log_ccw(cqr, 0, irb->scsw.cpa); } return era; @@ -2640,7 +2639,6 @@ dasd_3990_erp_action(struct dasd_ccw_req * cqr) struct dasd_ccw_req *erp = NULL; struct dasd_device *device = cqr->device; - __u32 cpa = cqr->irb.scsw.cpa; struct dasd_ccw_req *temp_erp = NULL; if (device->features & DASD_FEATURE_ERPLOG) { @@ -2706,9 +2704,6 @@ dasd_3990_erp_action(struct dasd_ccw_req * cqr) } } - if (erp->status == DASD_CQR_FAILED) - dasd_log_ccw(erp, 1, cpa); - /* enqueue added ERP request */ if (erp->status == DASD_CQR_FILLED) { erp->status = DASD_CQR_QUEUED; diff --git a/drivers/s390/block/dasd_devmap.c b/drivers/s390/block/dasd_devmap.c index 5943266152f..ed70852cc91 100644 --- a/drivers/s390/block/dasd_devmap.c +++ b/drivers/s390/block/dasd_devmap.c @@ -136,7 +136,7 @@ __setup ("dasd=", dasd_call_setup); /* * Read a device busid/devno from a string. */ -static inline int +static int dasd_busid(char **str, int *id0, int *id1, int *devno) { int val, old_style; @@ -182,7 +182,7 @@ dasd_busid(char **str, int *id0, int *id1, int *devno) * only one: "ro" for read-only devices. The default feature set * is empty (value 0). */ -static inline int +static int dasd_feature_list(char *str, char **endp) { int features, len, rc; @@ -341,7 +341,7 @@ dasd_parse_range( char *parsestring ) { return ERR_PTR(-EINVAL); } -static inline char * +static char * dasd_parse_next_element( char *parsestring ) { char * residual_str; residual_str = dasd_parse_keyword(parsestring); diff --git a/drivers/s390/block/dasd_diag.c b/drivers/s390/block/dasd_diag.c index 53db58a6861..ab782bb46ac 100644 --- a/drivers/s390/block/dasd_diag.c +++ b/drivers/s390/block/dasd_diag.c @@ -43,7 +43,7 @@ MODULE_LICENSE("GPL"); #define DIAG_MAX_RETRIES 32 #define DIAG_TIMEOUT 50 * HZ -struct dasd_discipline dasd_diag_discipline; +static struct dasd_discipline dasd_diag_discipline; struct dasd_diag_private { struct dasd_diag_characteristics rdc_data; @@ -90,7 +90,7 @@ static inline int dia250(void *iob, int cmd) * block offset. On success, return zero and set end_block to contain the * number of blocks on the device minus the specified offset. Return non-zero * otherwise. */ -static __inline__ int +static inline int mdsk_init_io(struct dasd_device *device, unsigned int blocksize, blocknum_t offset, blocknum_t *end_block) { @@ -117,7 +117,7 @@ mdsk_init_io(struct dasd_device *device, unsigned int blocksize, /* Remove block I/O environment for device. Return zero on success, non-zero * otherwise. */ -static __inline__ int +static inline int mdsk_term_io(struct dasd_device * device) { struct dasd_diag_private *private; @@ -576,7 +576,7 @@ dasd_diag_dump_sense(struct dasd_device *device, struct dasd_ccw_req * req, "dump sense not available for DIAG data"); } -struct dasd_discipline dasd_diag_discipline = { +static struct dasd_discipline dasd_diag_discipline = { .owner = THIS_MODULE, .name = "DIAG", .ebcname = "DIAG", diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c index fdaa471e845..cecab2274a6 100644 --- a/drivers/s390/block/dasd_eckd.c +++ b/drivers/s390/block/dasd_eckd.c @@ -134,44 +134,7 @@ ceil_quot(unsigned int d1, unsigned int d2) return (d1 + (d2 - 1)) / d2; } -static inline int -bytes_per_record(struct dasd_eckd_characteristics *rdc, int kl, int dl) -{ - unsigned int fl1, fl2, int1, int2; - int bpr; - - switch (rdc->formula) { - case 0x01: - fl1 = round_up_multiple(ECKD_F2(rdc) + dl, ECKD_F1(rdc)); - fl2 = round_up_multiple(kl ? ECKD_F2(rdc) + kl : 0, - ECKD_F1(rdc)); - bpr = fl1 + fl2; - break; - case 0x02: - int1 = ceil_quot(dl + ECKD_F6(rdc), ECKD_F5(rdc) << 1); - int2 = ceil_quot(kl + ECKD_F6(rdc), ECKD_F5(rdc) << 1); - fl1 = round_up_multiple(ECKD_F1(rdc) * ECKD_F2(rdc) + dl + - ECKD_F6(rdc) + ECKD_F4(rdc) * int1, - ECKD_F1(rdc)); - fl2 = round_up_multiple(ECKD_F1(rdc) * ECKD_F3(rdc) + kl + - ECKD_F6(rdc) + ECKD_F4(rdc) * int2, - ECKD_F1(rdc)); - bpr = fl1 + fl2; - break; - default: - bpr = 0; - break; - } - return bpr; -} - -static inline unsigned int -bytes_per_track(struct dasd_eckd_characteristics *rdc) -{ - return *(unsigned int *) (rdc->byte_per_track) >> 8; -} - -static inline unsigned int +static unsigned int recs_per_track(struct dasd_eckd_characteristics * rdc, unsigned int kl, unsigned int dl) { @@ -204,37 +167,39 @@ recs_per_track(struct dasd_eckd_characteristics * rdc, return 0; } -static inline void +static int check_XRC (struct ccw1 *de_ccw, struct DE_eckd_data *data, struct dasd_device *device) { struct dasd_eckd_private *private; + int rc; private = (struct dasd_eckd_private *) device->private; + if (!private->rdc_data.facilities.XRC_supported) + return 0; /* switch on System Time Stamp - needed for XRC Support */ - if (private->rdc_data.facilities.XRC_supported) { - - data->ga_extended |= 0x08; /* switch on 'Time Stamp Valid' */ - data->ga_extended |= 0x02; /* switch on 'Extended Parameter' */ - - data->ep_sys_time = get_clock (); - - de_ccw->count = sizeof (struct DE_eckd_data); - de_ccw->flags |= CCW_FLAG_SLI; - } + data->ga_extended |= 0x08; /* switch on 'Time Stamp Valid' */ + data->ga_extended |= 0x02; /* switch on 'Extended Parameter' */ - return; + rc = get_sync_clock(&data->ep_sys_time); + /* Ignore return code if sync clock is switched off. */ + if (rc == -ENOSYS || rc == -EACCES) + rc = 0; -} /* end check_XRC */ + de_ccw->count = sizeof (struct DE_eckd_data); + de_ccw->flags |= CCW_FLAG_SLI; + return rc; +} -static inline void +static int define_extent(struct ccw1 * ccw, struct DE_eckd_data * data, int trk, int totrk, int cmd, struct dasd_device * device) { struct dasd_eckd_private *private; struct ch_t geo, beg, end; + int rc = 0; private = (struct dasd_eckd_private *) device->private; @@ -263,12 +228,12 @@ define_extent(struct ccw1 * ccw, struct DE_eckd_data * data, int trk, case DASD_ECKD_CCW_WRITE_KD_MT: data->mask.perm = 0x02; data->attributes.operation = private->attrib.operation; - check_XRC (ccw, data, device); + rc = check_XRC (ccw, data, device); break; case DASD_ECKD_CCW_WRITE_CKD: case DASD_ECKD_CCW_WRITE_CKD_MT: data->attributes.operation = DASD_BYPASS_CACHE; - check_XRC (ccw, data, device); + rc = check_XRC (ccw, data, device); break; case DASD_ECKD_CCW_ERASE: case DASD_ECKD_CCW_WRITE_HOME_ADDRESS: @@ -276,7 +241,7 @@ define_extent(struct ccw1 * ccw, struct DE_eckd_data * data, int trk, data->mask.perm = 0x3; data->mask.auth = 0x1; data->attributes.operation = DASD_BYPASS_CACHE; - check_XRC (ccw, data, device); + rc = check_XRC (ccw, data, device); break; default: DEV_MESSAGE(KERN_ERR, device, "unknown opcode 0x%x", cmd); @@ -312,9 +277,10 @@ define_extent(struct ccw1 * ccw, struct DE_eckd_data * data, int trk, data->beg_ext.head = beg.head; data->end_ext.cyl = end.cyl; data->end_ext.head = end.head; + return rc; } -static inline void +static void locate_record(struct ccw1 *ccw, struct LO_eckd_data *data, int trk, int rec_on_trk, int no_rec, int cmd, struct dasd_device * device, int reclen) @@ -548,7 +514,7 @@ dasd_eckd_read_conf(struct dasd_device *device) /* * Build CP for Perform Subsystem Function - SSC. */ -struct dasd_ccw_req * +static struct dasd_ccw_req * dasd_eckd_build_psf_ssc(struct dasd_device *device) { struct dasd_ccw_req *cqr; @@ -1200,7 +1166,12 @@ dasd_eckd_build_cp(struct dasd_device * device, struct request *req) return cqr; ccw = cqr->cpaddr; /* First ccw is define extent. */ - define_extent(ccw++, cqr->data, first_trk, last_trk, cmd, device); + if (define_extent(ccw++, cqr->data, first_trk, + last_trk, cmd, device) == -EAGAIN) { + /* Clock not in sync and XRC is enabled. Try again later. */ + dasd_sfree_request(cqr, device); + return ERR_PTR(-EAGAIN); + } /* Build locate_record+read/write/ccws. */ idaws = (unsigned long *) (cqr->data + sizeof(struct DE_eckd_data)); LO_data = (struct LO_eckd_data *) (idaws + cidaw); @@ -1380,7 +1351,7 @@ dasd_eckd_release(struct dasd_device *device) cqr->device = device; clear_bit(DASD_CQR_FLAGS_USE_ERP, &cqr->flags); set_bit(DASD_CQR_FLAGS_FAILFAST, &cqr->flags); - cqr->retries = 0; + cqr->retries = 2; /* set retry counter to enable basic ERP */ cqr->expires = 2 * HZ; cqr->buildclk = get_clock(); cqr->status = DASD_CQR_FILLED; @@ -1420,7 +1391,7 @@ dasd_eckd_reserve(struct dasd_device *device) cqr->device = device; clear_bit(DASD_CQR_FLAGS_USE_ERP, &cqr->flags); set_bit(DASD_CQR_FLAGS_FAILFAST, &cqr->flags); - cqr->retries = 0; + cqr->retries = 2; /* set retry counter to enable basic ERP */ cqr->expires = 2 * HZ; cqr->buildclk = get_clock(); cqr->status = DASD_CQR_FILLED; @@ -1459,7 +1430,7 @@ dasd_eckd_steal_lock(struct dasd_device *device) cqr->device = device; clear_bit(DASD_CQR_FLAGS_USE_ERP, &cqr->flags); set_bit(DASD_CQR_FLAGS_FAILFAST, &cqr->flags); - cqr->retries = 0; + cqr->retries = 2; /* set retry counter to enable basic ERP */ cqr->expires = 2 * HZ; cqr->buildclk = get_clock(); cqr->status = DASD_CQR_FILLED; @@ -1609,7 +1580,7 @@ dasd_eckd_ioctl(struct dasd_device *device, unsigned int cmd, void __user *argp) * Dump the range of CCWs into 'page' buffer * and return number of printed chars. */ -static inline int +static int dasd_eckd_dump_ccw_range(struct ccw1 *from, struct ccw1 *to, char *page) { int len, count; diff --git a/drivers/s390/block/dasd_eer.c b/drivers/s390/block/dasd_eer.c index e0bf30ebb21..6cedc914077 100644 --- a/drivers/s390/block/dasd_eer.c +++ b/drivers/s390/block/dasd_eer.c @@ -658,18 +658,24 @@ static struct file_operations dasd_eer_fops = { .owner = THIS_MODULE, }; -static struct miscdevice dasd_eer_dev = { - .minor = MISC_DYNAMIC_MINOR, - .name = "dasd_eer", - .fops = &dasd_eer_fops, -}; +static struct miscdevice *dasd_eer_dev = NULL; int __init dasd_eer_init(void) { int rc; - rc = misc_register(&dasd_eer_dev); + dasd_eer_dev = kzalloc(sizeof(*dasd_eer_dev), GFP_KERNEL); + if (!dasd_eer_dev) + return -ENOMEM; + + dasd_eer_dev->minor = MISC_DYNAMIC_MINOR; + dasd_eer_dev->name = "dasd_eer"; + dasd_eer_dev->fops = &dasd_eer_fops; + + rc = misc_register(dasd_eer_dev); if (rc) { + kfree(dasd_eer_dev); + dasd_eer_dev = NULL; MESSAGE(KERN_ERR, "%s", "dasd_eer_init could not " "register misc device"); return rc; @@ -680,5 +686,9 @@ int __init dasd_eer_init(void) void dasd_eer_exit(void) { - WARN_ON(misc_deregister(&dasd_eer_dev) != 0); + if (dasd_eer_dev) { + WARN_ON(misc_deregister(dasd_eer_dev) != 0); + kfree(dasd_eer_dev); + dasd_eer_dev = NULL; + } } diff --git a/drivers/s390/block/dasd_erp.c b/drivers/s390/block/dasd_erp.c index 58a65097922..caa5d91420f 100644 --- a/drivers/s390/block/dasd_erp.c +++ b/drivers/s390/block/dasd_erp.c @@ -152,25 +152,6 @@ dasd_default_erp_postaction(struct dasd_ccw_req * cqr) } /* end default_erp_postaction */ -/* - * Print the hex dump of the memory used by a request. This includes - * all error recovery ccws that have been chained in from of the - * real request. - */ -static inline void -hex_dump_memory(struct dasd_device *device, void *data, int len) -{ - int *pint; - - pint = (int *) data; - while (len > 0) { - DEV_MESSAGE(KERN_ERR, device, "%p: %08x %08x %08x %08x", - pint, pint[0], pint[1], pint[2], pint[3]); - pint += 4; - len -= 16; - } -} - void dasd_log_sense(struct dasd_ccw_req *cqr, struct irb *irb) { @@ -182,69 +163,8 @@ dasd_log_sense(struct dasd_ccw_req *cqr, struct irb *irb) device->discipline->dump_sense(device, cqr, irb); } -void -dasd_log_ccw(struct dasd_ccw_req * cqr, int caller, __u32 cpa) -{ - struct dasd_device *device; - struct dasd_ccw_req *lcqr; - struct ccw1 *ccw; - int cplength; - - device = cqr->device; - /* log the channel program */ - for (lcqr = cqr; lcqr != NULL; lcqr = lcqr->refers) { - DEV_MESSAGE(KERN_ERR, device, - "(%s) ERP chain report for req: %p", - caller == 0 ? "EXAMINE" : "ACTION", lcqr); - hex_dump_memory(device, lcqr, sizeof(struct dasd_ccw_req)); - - cplength = 1; - ccw = lcqr->cpaddr; - while (ccw++->flags & (CCW_FLAG_DC | CCW_FLAG_CC)) - cplength++; - - if (cplength > 40) { /* log only parts of the CP */ - DEV_MESSAGE(KERN_ERR, device, "%s", - "Start of channel program:"); - hex_dump_memory(device, lcqr->cpaddr, - 40*sizeof(struct ccw1)); - - DEV_MESSAGE(KERN_ERR, device, "%s", - "End of channel program:"); - hex_dump_memory(device, lcqr->cpaddr + cplength - 10, - 10*sizeof(struct ccw1)); - } else { /* log the whole CP */ - DEV_MESSAGE(KERN_ERR, device, "%s", - "Channel program (complete):"); - hex_dump_memory(device, lcqr->cpaddr, - cplength*sizeof(struct ccw1)); - } - - if (lcqr != cqr) - continue; - - /* - * Log bytes arround failed CCW but only if we did - * not log the whole CP of the CCW is outside the - * logged CP. - */ - if (cplength > 40 || - ((addr_t) cpa < (addr_t) lcqr->cpaddr && - (addr_t) cpa > (addr_t) (lcqr->cpaddr + cplength + 4))) { - - DEV_MESSAGE(KERN_ERR, device, - "Failed CCW (%p) (area):", - (void *) (long) cpa); - hex_dump_memory(device, cqr->cpaddr - 10, - 20*sizeof(struct ccw1)); - } - } - -} /* end log_erp_chain */ - EXPORT_SYMBOL(dasd_default_erp_action); EXPORT_SYMBOL(dasd_default_erp_postaction); EXPORT_SYMBOL(dasd_alloc_erp_request); EXPORT_SYMBOL(dasd_free_erp_request); EXPORT_SYMBOL(dasd_log_sense); -EXPORT_SYMBOL(dasd_log_ccw); diff --git a/drivers/s390/block/dasd_fba.c b/drivers/s390/block/dasd_fba.c index b857fd5893f..be0909e3922 100644 --- a/drivers/s390/block/dasd_fba.c +++ b/drivers/s390/block/dasd_fba.c @@ -75,7 +75,7 @@ static struct ccw_driver dasd_fba_driver = { .notify = dasd_generic_notify, }; -static inline void +static void define_extent(struct ccw1 * ccw, struct DE_fba_data *data, int rw, int blksize, int beg, int nr) { @@ -95,7 +95,7 @@ define_extent(struct ccw1 * ccw, struct DE_fba_data *data, int rw, data->ext_end = nr - 1; } -static inline void +static void locate_record(struct ccw1 * ccw, struct LO_fba_data *data, int rw, int block_nr, int block_ct) { diff --git a/drivers/s390/block/dasd_genhd.c b/drivers/s390/block/dasd_genhd.c index d163632101d..47ba4462708 100644 --- a/drivers/s390/block/dasd_genhd.c +++ b/drivers/s390/block/dasd_genhd.c @@ -147,7 +147,7 @@ dasd_destroy_partitions(struct dasd_device * device) */ memset(&bpart, 0, sizeof(struct blkpg_partition)); memset(&barg, 0, sizeof(struct blkpg_ioctl_arg)); - barg.data = (void __user *) &bpart; + barg.data = (void __force __user *) &bpart; barg.op = BLKPG_DEL_PARTITION; for (bpart.pno = device->gdp->minors - 1; bpart.pno > 0; bpart.pno--) ioctl_by_bdev(bdev, BLKPG, (unsigned long) &barg); diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h index fb725e3b08f..a2cc69e1141 100644 --- a/drivers/s390/block/dasd_int.h +++ b/drivers/s390/block/dasd_int.h @@ -559,7 +559,6 @@ struct dasd_ccw_req *dasd_alloc_erp_request(char *, int, int, struct dasd_device *); void dasd_free_erp_request(struct dasd_ccw_req *, struct dasd_device *); void dasd_log_sense(struct dasd_ccw_req *, struct irb *); -void dasd_log_ccw(struct dasd_ccw_req *, int, __u32); /* externals in dasd_3370_erp.c */ dasd_era_t dasd_3370_erp_examine(struct dasd_ccw_req *, struct irb *); diff --git a/drivers/s390/block/dasd_proc.c b/drivers/s390/block/dasd_proc.c index bfa010f6dab..8b7e11815d7 100644 --- a/drivers/s390/block/dasd_proc.c +++ b/drivers/s390/block/dasd_proc.c @@ -28,7 +28,7 @@ static struct proc_dir_entry *dasd_proc_root_entry = NULL; static struct proc_dir_entry *dasd_devices_entry = NULL; static struct proc_dir_entry *dasd_statistics_entry = NULL; -static inline char * +static char * dasd_get_user_string(const char __user *user_buf, size_t user_len) { char *buffer; @@ -154,7 +154,7 @@ static struct file_operations dasd_devices_file_ops = { .release = seq_release, }; -static inline int +static int dasd_calc_metrics(char *page, char **start, off_t off, int count, int *eof, int len) { @@ -167,8 +167,8 @@ dasd_calc_metrics(char *page, char **start, off_t off, return len; } -static inline char * -dasd_statistics_array(char *str, int *array, int shift) +static char * +dasd_statistics_array(char *str, unsigned int *array, int shift) { int i; diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c index be9b05347b4..1340451ea40 100644 --- a/drivers/s390/block/dcssblk.c +++ b/drivers/s390/block/dcssblk.c @@ -102,7 +102,7 @@ dcssblk_release_segment(struct device *dev) * device needs to be enqueued before the semaphore is * freed. */ -static inline int +static int dcssblk_assign_free_minor(struct dcssblk_dev_info *dev_info) { int minor, found; @@ -230,7 +230,7 @@ dcssblk_shared_store(struct device *dev, struct device_attribute *attr, const ch SEGMENT_SHARED); if (rc < 0) { BUG_ON(rc == -EINVAL); - if (rc == -EIO || rc == -ENOENT) + if (rc != -EAGAIN) goto removeseg; } else { dev_info->is_shared = 1; @@ -253,7 +253,7 @@ dcssblk_shared_store(struct device *dev, struct device_attribute *attr, const ch SEGMENT_EXCLUSIVE); if (rc < 0) { BUG_ON(rc == -EINVAL); - if (rc == -EIO || rc == -ENOENT) + if (rc != -EAGAIN) goto removeseg; } else { dev_info->is_shared = 0; diff --git a/drivers/s390/char/Makefile b/drivers/s390/char/Makefile index c3e97b4fc18..293e667b50f 100644 --- a/drivers/s390/char/Makefile +++ b/drivers/s390/char/Makefile @@ -2,7 +2,8 @@ # S/390 character devices # -obj-y += ctrlchar.o keyboard.o defkeymap.o +obj-y += ctrlchar.o keyboard.o defkeymap.o sclp.o sclp_rw.o sclp_quiesce.o \ + sclp_info.o obj-$(CONFIG_TN3270) += raw3270.o obj-$(CONFIG_TN3270_CONSOLE) += con3270.o @@ -11,7 +12,6 @@ obj-$(CONFIG_TN3270_FS) += fs3270.o obj-$(CONFIG_TN3215) += con3215.o -obj-$(CONFIG_SCLP) += sclp.o sclp_rw.o sclp_quiesce.o obj-$(CONFIG_SCLP_TTY) += sclp_tty.o obj-$(CONFIG_SCLP_CONSOLE) += sclp_con.o obj-$(CONFIG_SCLP_VT220_TTY) += sclp_vt220.o diff --git a/drivers/s390/char/con3215.c b/drivers/s390/char/con3215.c index 25b5d7a6641..9a328f14a64 100644 --- a/drivers/s390/char/con3215.c +++ b/drivers/s390/char/con3215.c @@ -1121,7 +1121,7 @@ static const struct tty_operations tty3215_ops = { * 3215 tty registration code called from tty_init(). * Most kernel services (incl. kmalloc) are available at this poimt. */ -int __init +static int __init tty3215_init(void) { struct tty_driver *driver; diff --git a/drivers/s390/char/con3270.c b/drivers/s390/char/con3270.c index 7566be89068..8e7f2d7633d 100644 --- a/drivers/s390/char/con3270.c +++ b/drivers/s390/char/con3270.c @@ -69,8 +69,7 @@ static void con3270_update(struct con3270 *); /* * Setup timeout for a device. On timeout trigger an update. */ -void -con3270_set_timer(struct con3270 *cp, int expires) +static void con3270_set_timer(struct con3270 *cp, int expires) { if (expires == 0) { if (timer_pending(&cp->timer)) diff --git a/drivers/s390/char/defkeymap.c b/drivers/s390/char/defkeymap.c index 17027d918cf..564baca01b7 100644 --- a/drivers/s390/char/defkeymap.c +++ b/drivers/s390/char/defkeymap.c @@ -5,6 +5,8 @@ #include <linux/types.h> #include <linux/keyboard.h> #include <linux/kd.h> +#include <linux/kbd_kern.h> +#include <linux/kbd_diacr.h> u_short plain_map[NR_KEYS] = { 0xf000, 0xf000, 0xf000, 0xf000, 0xf000, 0xf000, 0xf000, 0xf000, diff --git a/drivers/s390/char/fs3270.c b/drivers/s390/char/fs3270.c index 0893d306ae8..e1a746269c4 100644 --- a/drivers/s390/char/fs3270.c +++ b/drivers/s390/char/fs3270.c @@ -23,7 +23,7 @@ #include "raw3270.h" #include "ctrlchar.h" -struct raw3270_fn fs3270_fn; +static struct raw3270_fn fs3270_fn; struct fs3270 { struct raw3270_view view; @@ -401,7 +401,7 @@ fs3270_release(struct raw3270_view *view) } /* View to a 3270 device. Can be console, tty or fullscreen. */ -struct raw3270_fn fs3270_fn = { +static struct raw3270_fn fs3270_fn = { .activate = fs3270_activate, .deactivate = fs3270_deactivate, .intv = (void *) fs3270_irq, diff --git a/drivers/s390/char/keyboard.c b/drivers/s390/char/keyboard.c index 3e86fd1756e..f62f9a4e895 100644 --- a/drivers/s390/char/keyboard.c +++ b/drivers/s390/char/keyboard.c @@ -148,6 +148,7 @@ kbd_ascebc(struct kbd_data *kbd, unsigned char *ascebc) } } +#if 0 /* * Generate ebcdic -> ascii translation table from kbd_data. */ @@ -173,6 +174,7 @@ kbd_ebcasc(struct kbd_data *kbd, unsigned char *ebcasc) } } } +#endif /* * We have a combining character DIACR here, followed by the character CH. diff --git a/drivers/s390/char/monwriter.c b/drivers/s390/char/monwriter.c index cdb24f52811..9e451acc649 100644 --- a/drivers/s390/char/monwriter.c +++ b/drivers/s390/char/monwriter.c @@ -67,8 +67,8 @@ static int monwrite_diag(struct monwrite_hdr *myhdr, char *buffer, int fcn) return -EINVAL; } -static inline struct mon_buf *monwrite_find_hdr(struct mon_private *monpriv, - struct monwrite_hdr *monhdr) +static struct mon_buf *monwrite_find_hdr(struct mon_private *monpriv, + struct monwrite_hdr *monhdr) { struct mon_buf *entry, *next; diff --git a/drivers/s390/char/raw3270.c b/drivers/s390/char/raw3270.c index 7a84014f203..8facd14adb7 100644 --- a/drivers/s390/char/raw3270.c +++ b/drivers/s390/char/raw3270.c @@ -29,7 +29,7 @@ #include <linux/device.h> #include <linux/mutex.h> -struct class *class3270; +static struct class *class3270; /* The main 3270 data structure. */ struct raw3270 { @@ -86,7 +86,7 @@ DECLARE_WAIT_QUEUE_HEAD(raw3270_wait_queue); /* * Encode array for 12 bit 3270 addresses. */ -unsigned char raw3270_ebcgraf[64] = { +static unsigned char raw3270_ebcgraf[64] = { 0x40, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, 0x50, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, diff --git a/drivers/s390/char/sclp.c b/drivers/s390/char/sclp.c index 8a056df09d6..f171de3b0b1 100644 --- a/drivers/s390/char/sclp.c +++ b/drivers/s390/char/sclp.c @@ -59,7 +59,8 @@ static volatile enum sclp_init_state_t { /* Internal state: is a request active at the sclp? */ static volatile enum sclp_running_state_t { sclp_running_state_idle, - sclp_running_state_running + sclp_running_state_running, + sclp_running_state_reset_pending } sclp_running_state = sclp_running_state_idle; /* Internal state: is a read request pending? */ @@ -88,15 +89,15 @@ static volatile enum sclp_mask_state_t { /* Timeout intervals in seconds.*/ #define SCLP_BUSY_INTERVAL 10 -#define SCLP_RETRY_INTERVAL 15 +#define SCLP_RETRY_INTERVAL 30 static void sclp_process_queue(void); static int sclp_init_mask(int calculate); static int sclp_init(void); /* Perform service call. Return 0 on success, non-zero otherwise. */ -static int -service_call(sclp_cmdw_t command, void *sccb) +int +sclp_service_call(sclp_cmdw_t command, void *sccb) { int cc; @@ -113,19 +114,17 @@ service_call(sclp_cmdw_t command, void *sccb) return 0; } -/* Request timeout handler. Restart the request queue. If DATA is non-zero, - * force restart of running request. */ +static inline void __sclp_make_read_req(void); + static void -sclp_request_timeout(unsigned long data) +__sclp_queue_read_req(void) { - unsigned long flags; - - if (data) { - spin_lock_irqsave(&sclp_lock, flags); - sclp_running_state = sclp_running_state_idle; - spin_unlock_irqrestore(&sclp_lock, flags); + if (sclp_reading_state == sclp_reading_state_idle) { + sclp_reading_state = sclp_reading_state_reading; + __sclp_make_read_req(); + /* Add request to head of queue */ + list_add(&sclp_read_req.list, &sclp_req_queue); } - sclp_process_queue(); } /* Set up request retry timer. Called while sclp_lock is locked. */ @@ -140,6 +139,29 @@ __sclp_set_request_timer(unsigned long time, void (*function)(unsigned long), add_timer(&sclp_request_timer); } +/* Request timeout handler. Restart the request queue. If DATA is non-zero, + * force restart of running request. */ +static void +sclp_request_timeout(unsigned long data) +{ + unsigned long flags; + + spin_lock_irqsave(&sclp_lock, flags); + if (data) { + if (sclp_running_state == sclp_running_state_running) { + /* Break running state and queue NOP read event request + * to get a defined interface state. */ + __sclp_queue_read_req(); + sclp_running_state = sclp_running_state_idle; + } + } else { + __sclp_set_request_timer(SCLP_BUSY_INTERVAL * HZ, + sclp_request_timeout, 0); + } + spin_unlock_irqrestore(&sclp_lock, flags); + sclp_process_queue(); +} + /* Try to start a request. Return zero if the request was successfully * started or if it will be started at a later time. Return non-zero otherwise. * Called while sclp_lock is locked. */ @@ -151,7 +173,7 @@ __sclp_start_request(struct sclp_req *req) if (sclp_running_state != sclp_running_state_idle) return 0; del_timer(&sclp_request_timer); - rc = service_call(req->command, req->sccb); + rc = sclp_service_call(req->command, req->sccb); req->start_count++; if (rc == 0) { @@ -191,7 +213,15 @@ sclp_process_queue(void) rc = __sclp_start_request(req); if (rc == 0) break; - /* Request failed. */ + /* Request failed */ + if (req->start_count > 1) { + /* Cannot abort already submitted request - could still + * be active at the SCLP */ + __sclp_set_request_timer(SCLP_BUSY_INTERVAL * HZ, + sclp_request_timeout, 0); + break; + } + /* Post-processing for aborted request */ list_del(&req->list); if (req->callback) { spin_unlock_irqrestore(&sclp_lock, flags); @@ -221,7 +251,8 @@ sclp_add_request(struct sclp_req *req) list_add_tail(&req->list, &sclp_req_queue); rc = 0; /* Start if request is first in list */ - if (req->list.prev == &sclp_req_queue) { + if (sclp_running_state == sclp_running_state_idle && + req->list.prev == &sclp_req_queue) { rc = __sclp_start_request(req); if (rc) list_del(&req->list); @@ -294,7 +325,7 @@ __sclp_make_read_req(void) sccb = (struct sccb_header *) sclp_read_sccb; clear_page(sccb); memset(&sclp_read_req, 0, sizeof(struct sclp_req)); - sclp_read_req.command = SCLP_CMDW_READDATA; + sclp_read_req.command = SCLP_CMDW_READ_EVENT_DATA; sclp_read_req.status = SCLP_REQ_QUEUED; sclp_read_req.start_count = 0; sclp_read_req.callback = sclp_read_cb; @@ -334,6 +365,8 @@ sclp_interrupt_handler(__u16 code) finished_sccb = S390_lowcore.ext_params & 0xfffffff8; evbuf_pending = S390_lowcore.ext_params & 0x3; if (finished_sccb) { + del_timer(&sclp_request_timer); + sclp_running_state = sclp_running_state_reset_pending; req = __sclp_find_req(finished_sccb); if (req) { /* Request post-processing */ @@ -348,13 +381,8 @@ sclp_interrupt_handler(__u16 code) sclp_running_state = sclp_running_state_idle; } if (evbuf_pending && sclp_receive_mask != 0 && - sclp_reading_state == sclp_reading_state_idle && - sclp_activation_state == sclp_activation_state_active ) { - sclp_reading_state = sclp_reading_state_reading; - __sclp_make_read_req(); - /* Add request to head of queue */ - list_add(&sclp_read_req.list, &sclp_req_queue); - } + sclp_activation_state == sclp_activation_state_active) + __sclp_queue_read_req(); spin_unlock(&sclp_lock); sclp_process_queue(); } @@ -374,6 +402,7 @@ sclp_sync_wait(void) unsigned long flags; unsigned long cr0, cr0_sync; u64 timeout; + int irq_context; /* We'll be disabling timer interrupts, so we need a custom timeout * mechanism */ @@ -386,7 +415,9 @@ sclp_sync_wait(void) } local_irq_save(flags); /* Prevent bottom half from executing once we force interrupts open */ - local_bh_disable(); + irq_context = in_interrupt(); + if (!irq_context) + local_bh_disable(); /* Enable service-signal interruption, disable timer interrupts */ trace_hardirqs_on(); __ctl_store(cr0, 0, 0); @@ -402,19 +433,19 @@ sclp_sync_wait(void) get_clock() > timeout && del_timer(&sclp_request_timer)) sclp_request_timer.function(sclp_request_timer.data); - barrier(); cpu_relax(); } local_irq_disable(); __ctl_load(cr0, 0, 0); - _local_bh_enable(); + if (!irq_context) + _local_bh_enable(); local_irq_restore(flags); } EXPORT_SYMBOL(sclp_sync_wait); /* Dispatch changes in send and receive mask to registered listeners. */ -static inline void +static void sclp_dispatch_state_change(void) { struct list_head *l; @@ -597,7 +628,7 @@ __sclp_make_init_req(u32 receive_mask, u32 send_mask) sccb = (struct init_sccb *) sclp_init_sccb; clear_page(sccb); memset(&sclp_init_req, 0, sizeof(struct sclp_req)); - sclp_init_req.command = SCLP_CMDW_WRITEMASK; + sclp_init_req.command = SCLP_CMDW_WRITE_EVENT_MASK; sclp_init_req.status = SCLP_REQ_FILLED; sclp_init_req.start_count = 0; sclp_init_req.callback = NULL; @@ -800,7 +831,7 @@ sclp_check_interface(void) for (retry = 0; retry <= SCLP_INIT_RETRY; retry++) { __sclp_make_init_req(0, 0); sccb = (struct init_sccb *) sclp_init_req.sccb; - rc = service_call(sclp_init_req.command, sccb); + rc = sclp_service_call(sclp_init_req.command, sccb); if (rc == -EIO) break; sclp_init_req.status = SCLP_REQ_RUNNING; diff --git a/drivers/s390/char/sclp.h b/drivers/s390/char/sclp.h index 2c71d6ee7b5..7d29ab45a6e 100644 --- a/drivers/s390/char/sclp.h +++ b/drivers/s390/char/sclp.h @@ -12,7 +12,7 @@ #include <linux/types.h> #include <linux/list.h> - +#include <asm/sclp.h> #include <asm/ebcdic.h> /* maximum number of pages concerning our own memory management */ @@ -49,9 +49,11 @@ typedef unsigned int sclp_cmdw_t; -#define SCLP_CMDW_READDATA 0x00770005 -#define SCLP_CMDW_WRITEDATA 0x00760005 -#define SCLP_CMDW_WRITEMASK 0x00780005 +#define SCLP_CMDW_READ_EVENT_DATA 0x00770005 +#define SCLP_CMDW_WRITE_EVENT_DATA 0x00760005 +#define SCLP_CMDW_WRITE_EVENT_MASK 0x00780005 +#define SCLP_CMDW_READ_SCP_INFO 0x00020001 +#define SCLP_CMDW_READ_SCP_INFO_FORCED 0x00120001 #define GDS_ID_MDSMU 0x1310 #define GDS_ID_MDSRouteInfo 0x1311 @@ -66,13 +68,6 @@ typedef unsigned int sclp_cmdw_t; typedef u32 sccb_mask_t; /* ATTENTION: assumes 32bit mask !!! */ -struct sccb_header { - u16 length; - u8 function_code; - u8 control_mask[3]; - u16 response_code; -} __attribute__((packed)); - struct gds_subvector { u8 length; u8 key; @@ -131,6 +126,7 @@ void sclp_unregister(struct sclp_register *reg); int sclp_remove_processed(struct sccb_header *sccb); int sclp_deactivate(void); int sclp_reactivate(void); +int sclp_service_call(sclp_cmdw_t command, void *sccb); /* useful inlines */ diff --git a/drivers/s390/char/sclp_con.c b/drivers/s390/char/sclp_con.c index 86864f64171..ead1043d788 100644 --- a/drivers/s390/char/sclp_con.c +++ b/drivers/s390/char/sclp_con.c @@ -66,7 +66,7 @@ sclp_conbuf_callback(struct sclp_buffer *buffer, int rc) } while (buffer && sclp_emit_buffer(buffer, sclp_conbuf_callback)); } -static inline void +static void sclp_conbuf_emit(void) { struct sclp_buffer* buffer; diff --git a/drivers/s390/char/sclp_cpi.c b/drivers/s390/char/sclp_cpi.c index 4f873ae148b..65aa2c85737 100644 --- a/drivers/s390/char/sclp_cpi.c +++ b/drivers/s390/char/sclp_cpi.c @@ -169,7 +169,7 @@ cpi_prepare_req(void) } /* prepare request data structure presented to SCLP driver */ - req->command = SCLP_CMDW_WRITEDATA; + req->command = SCLP_CMDW_WRITE_EVENT_DATA; req->sccb = sccb; req->status = SCLP_REQ_FILLED; req->callback = cpi_callback; diff --git a/drivers/s390/char/sclp_info.c b/drivers/s390/char/sclp_info.c new file mode 100644 index 00000000000..7bcbe643b08 --- /dev/null +++ b/drivers/s390/char/sclp_info.c @@ -0,0 +1,57 @@ +/* + * drivers/s390/char/sclp_info.c + * + * Copyright IBM Corp. 2007 + * Author(s): Heiko Carstens <heiko.carstens@de.ibm.com> + */ + +#include <linux/init.h> +#include <linux/errno.h> +#include <linux/string.h> +#include <asm/sclp.h> +#include "sclp.h" + +struct sclp_readinfo_sccb s390_readinfo_sccb; + +void __init sclp_readinfo_early(void) +{ + sclp_cmdw_t command; + struct sccb_header *sccb; + int ret; + + __ctl_set_bit(0, 9); /* enable service signal subclass mask */ + + sccb = &s390_readinfo_sccb.header; + command = SCLP_CMDW_READ_SCP_INFO_FORCED; + while (1) { + u16 response; + + memset(&s390_readinfo_sccb, 0, sizeof(s390_readinfo_sccb)); + sccb->length = sizeof(s390_readinfo_sccb); + sccb->control_mask[2] = 0x80; + + ret = sclp_service_call(command, &s390_readinfo_sccb); + + if (ret == -EIO) + goto out; + if (ret == -EBUSY) + continue; + + __load_psw_mask(PSW_BASE_BITS | PSW_MASK_EXT | + PSW_MASK_WAIT | PSW_DEFAULT_KEY); + local_irq_disable(); + barrier(); + + response = sccb->response_code; + + if (response == 0x10) + break; + + if (response != 0x1f0 || command == SCLP_CMDW_READ_SCP_INFO) + break; + + command = SCLP_CMDW_READ_SCP_INFO; + } +out: + __ctl_clear_bit(0, 9); /* disable service signal subclass mask */ +} diff --git a/drivers/s390/char/sclp_rw.c b/drivers/s390/char/sclp_rw.c index 0c92d3909cc..2486783ea58 100644 --- a/drivers/s390/char/sclp_rw.c +++ b/drivers/s390/char/sclp_rw.c @@ -460,7 +460,7 @@ sclp_emit_buffer(struct sclp_buffer *buffer, sccb->msg_buf.header.type = EvTyp_PMsgCmd; else return -ENOSYS; - buffer->request.command = SCLP_CMDW_WRITEDATA; + buffer->request.command = SCLP_CMDW_WRITE_EVENT_DATA; buffer->request.status = SCLP_REQ_FILLED; buffer->request.callback = sclp_writedata_callback; buffer->request.callback_data = buffer; diff --git a/drivers/s390/char/sclp_tty.c b/drivers/s390/char/sclp_tty.c index 2d173e5c8a0..90536f60bf5 100644 --- a/drivers/s390/char/sclp_tty.c +++ b/drivers/s390/char/sclp_tty.c @@ -721,7 +721,7 @@ static const struct tty_operations sclp_ops = { .ioctl = sclp_tty_ioctl, }; -int __init +static int __init sclp_tty_init(void) { struct tty_driver *driver; diff --git a/drivers/s390/char/sclp_vt220.c b/drivers/s390/char/sclp_vt220.c index 723bf4191bf..544f137d70d 100644 --- a/drivers/s390/char/sclp_vt220.c +++ b/drivers/s390/char/sclp_vt220.c @@ -207,7 +207,7 @@ __sclp_vt220_emit(struct sclp_vt220_request *request) request->sclp_req.status = SCLP_REQ_FAILED; return -EIO; } - request->sclp_req.command = SCLP_CMDW_WRITEDATA; + request->sclp_req.command = SCLP_CMDW_WRITE_EVENT_DATA; request->sclp_req.status = SCLP_REQ_FILLED; request->sclp_req.callback = sclp_vt220_callback; request->sclp_req.callback_data = (void *) request; @@ -669,7 +669,7 @@ static const struct tty_operations sclp_vt220_ops = { /* * Register driver with SCLP and Linux and initialize internal tty structures. */ -int __init +static int __init sclp_vt220_tty_init(void) { struct tty_driver *driver; diff --git a/drivers/s390/char/tape.h b/drivers/s390/char/tape.h index c9f1c4c8bb1..bb4ff537729 100644 --- a/drivers/s390/char/tape.h +++ b/drivers/s390/char/tape.h @@ -3,7 +3,7 @@ * tape device driver for 3480/3490E/3590 tapes. * * S390 and zSeries version - * Copyright (C) 2001,2005 IBM Deutschland Entwicklung GmbH, IBM Corporation + * Copyright IBM Corp. 2001,2006 * Author(s): Carsten Otte <cotte@de.ibm.com> * Tuan Ngo-Anh <ngoanh@de.ibm.com> * Martin Schwidefsky <schwidefsky@de.ibm.com> @@ -99,7 +99,11 @@ enum tape_op { TO_DIS, /* Tape display */ TO_ASSIGN, /* Assign tape to channel path */ TO_UNASSIGN, /* Unassign tape from channel path */ - TO_SIZE /* #entries in tape_op_t */ + TO_CRYPT_ON, /* Enable encrpytion */ + TO_CRYPT_OFF, /* Disable encrpytion */ + TO_KEKL_SET, /* Set KEK label */ + TO_KEKL_QUERY, /* Query KEK label */ + TO_SIZE, /* #entries in tape_op_t */ }; /* Forward declaration */ @@ -112,6 +116,7 @@ enum tape_request_status { TAPE_REQUEST_IN_IO, /* request is currently in IO */ TAPE_REQUEST_DONE, /* request is completed. */ TAPE_REQUEST_CANCEL, /* request should be canceled. */ + TAPE_REQUEST_LONG_BUSY, /* request has to be restarted after long busy */ }; /* Tape CCW request */ @@ -164,10 +169,11 @@ struct tape_discipline { * The discipline irq function either returns an error code (<0) which * means that the request has failed with an error or one of the following: */ -#define TAPE_IO_SUCCESS 0 /* request successful */ -#define TAPE_IO_PENDING 1 /* request still running */ -#define TAPE_IO_RETRY 2 /* retry to current request */ -#define TAPE_IO_STOP 3 /* stop the running request */ +#define TAPE_IO_SUCCESS 0 /* request successful */ +#define TAPE_IO_PENDING 1 /* request still running */ +#define TAPE_IO_RETRY 2 /* retry to current request */ +#define TAPE_IO_STOP 3 /* stop the running request */ +#define TAPE_IO_LONG_BUSY 4 /* delay the running request */ /* Char Frontend Data */ struct tape_char_data { @@ -242,6 +248,10 @@ struct tape_device { /* Function to start or stop the next request later. */ struct delayed_work tape_dnr; + + /* Timer for long busy */ + struct timer_list lb_timeout; + }; /* Externals from tape_core.c */ diff --git a/drivers/s390/char/tape_3590.c b/drivers/s390/char/tape_3590.c index 9df912f6318..50f5edab83d 100644 --- a/drivers/s390/char/tape_3590.c +++ b/drivers/s390/char/tape_3590.c @@ -2,7 +2,7 @@ * drivers/s390/char/tape_3590.c * tape device discipline for 3590 tapes. * - * Copyright (C) IBM Corp. 2001,2006 + * Copyright IBM Corp. 2001,2006 * Author(s): Stefan Bader <shbader@de.ibm.com> * Michael Holzheu <holzheu@de.ibm.com> * Martin Schwidefsky <schwidefsky@de.ibm.com> @@ -11,6 +11,7 @@ #include <linux/module.h> #include <linux/init.h> #include <linux/bio.h> +#include <asm/ebcdic.h> #define TAPE_DBF_AREA tape_3590_dbf @@ -30,7 +31,7 @@ EXPORT_SYMBOL(TAPE_DBF_AREA); * - Read Device (buffered) log: BRA * - Read Library log: BRA * - Swap Devices: BRA - * - Long Busy: BRA + * - Long Busy: implemented * - Special Intercept: BRA * - Read Alternate: implemented *******************************************************************/ @@ -94,6 +95,332 @@ static const char *tape_3590_msg[TAPE_3590_MAX_MSG] = { [0xae] = "Subsystem environmental alert", }; +static int crypt_supported(struct tape_device *device) +{ + return TAPE390_CRYPT_SUPPORTED(TAPE_3590_CRYPT_INFO(device)); +} + +static int crypt_enabled(struct tape_device *device) +{ + return TAPE390_CRYPT_ON(TAPE_3590_CRYPT_INFO(device)); +} + +static void ext_to_int_kekl(struct tape390_kekl *in, + struct tape3592_kekl *out) +{ + int i; + + memset(out, 0, sizeof(*out)); + if (in->type == TAPE390_KEKL_TYPE_HASH) + out->flags |= 0x40; + if (in->type_on_tape == TAPE390_KEKL_TYPE_HASH) + out->flags |= 0x80; + strncpy(out->label, in->label, 64); + for (i = strlen(in->label); i < sizeof(out->label); i++) + out->label[i] = ' '; + ASCEBC(out->label, sizeof(out->label)); +} + +static void int_to_ext_kekl(struct tape3592_kekl *in, + struct tape390_kekl *out) +{ + memset(out, 0, sizeof(*out)); + if(in->flags & 0x40) + out->type = TAPE390_KEKL_TYPE_HASH; + else + out->type = TAPE390_KEKL_TYPE_LABEL; + if(in->flags & 0x80) + out->type_on_tape = TAPE390_KEKL_TYPE_HASH; + else + out->type_on_tape = TAPE390_KEKL_TYPE_LABEL; + memcpy(out->label, in->label, sizeof(in->label)); + EBCASC(out->label, sizeof(in->label)); + strstrip(out->label); +} + +static void int_to_ext_kekl_pair(struct tape3592_kekl_pair *in, + struct tape390_kekl_pair *out) +{ + if (in->count == 0) { + out->kekl[0].type = TAPE390_KEKL_TYPE_NONE; + out->kekl[0].type_on_tape = TAPE390_KEKL_TYPE_NONE; + out->kekl[1].type = TAPE390_KEKL_TYPE_NONE; + out->kekl[1].type_on_tape = TAPE390_KEKL_TYPE_NONE; + } else if (in->count == 1) { + int_to_ext_kekl(&in->kekl[0], &out->kekl[0]); + out->kekl[1].type = TAPE390_KEKL_TYPE_NONE; + out->kekl[1].type_on_tape = TAPE390_KEKL_TYPE_NONE; + } else if (in->count == 2) { + int_to_ext_kekl(&in->kekl[0], &out->kekl[0]); + int_to_ext_kekl(&in->kekl[1], &out->kekl[1]); + } else { + printk("Invalid KEKL number: %d\n", in->count); + BUG(); + } +} + +static int check_ext_kekl(struct tape390_kekl *kekl) +{ + if (kekl->type == TAPE390_KEKL_TYPE_NONE) + goto invalid; + if (kekl->type > TAPE390_KEKL_TYPE_HASH) + goto invalid; + if (kekl->type_on_tape == TAPE390_KEKL_TYPE_NONE) + goto invalid; + if (kekl->type_on_tape > TAPE390_KEKL_TYPE_HASH) + goto invalid; + if ((kekl->type == TAPE390_KEKL_TYPE_HASH) && + (kekl->type_on_tape == TAPE390_KEKL_TYPE_LABEL)) + goto invalid; + + return 0; +invalid: + return -EINVAL; +} + +static int check_ext_kekl_pair(struct tape390_kekl_pair *kekls) +{ + if (check_ext_kekl(&kekls->kekl[0])) + goto invalid; + if (check_ext_kekl(&kekls->kekl[1])) + goto invalid; + + return 0; +invalid: + return -EINVAL; +} + +/* + * Query KEKLs + */ +static int tape_3592_kekl_query(struct tape_device *device, + struct tape390_kekl_pair *ext_kekls) +{ + struct tape_request *request; + struct tape3592_kekl_query_order *order; + struct tape3592_kekl_query_data *int_kekls; + int rc; + + DBF_EVENT(6, "tape3592_kekl_query\n"); + int_kekls = kmalloc(sizeof(*int_kekls), GFP_KERNEL|GFP_DMA); + if (!int_kekls) + return -ENOMEM; + request = tape_alloc_request(2, sizeof(*order)); + if (IS_ERR(request)) { + rc = PTR_ERR(request); + goto fail_malloc; + } + order = request->cpdata; + memset(order,0,sizeof(*order)); + order->code = 0xe2; + order->max_count = 2; + request->op = TO_KEKL_QUERY; + tape_ccw_cc(request->cpaddr, PERF_SUBSYS_FUNC, sizeof(*order), order); + tape_ccw_end(request->cpaddr + 1, READ_SS_DATA, sizeof(*int_kekls), + int_kekls); + rc = tape_do_io(device, request); + if (rc) + goto fail_request; + int_to_ext_kekl_pair(&int_kekls->kekls, ext_kekls); + + rc = 0; +fail_request: + tape_free_request(request); +fail_malloc: + kfree(int_kekls); + return rc; +} + +/* + * IOCTL: Query KEKLs + */ +static int tape_3592_ioctl_kekl_query(struct tape_device *device, + unsigned long arg) +{ + int rc; + struct tape390_kekl_pair *ext_kekls; + + DBF_EVENT(6, "tape_3592_ioctl_kekl_query\n"); + if (!crypt_supported(device)) + return -ENOSYS; + if (!crypt_enabled(device)) + return -EUNATCH; + ext_kekls = kmalloc(sizeof(*ext_kekls), GFP_KERNEL); + if (!ext_kekls) + return -ENOMEM; + rc = tape_3592_kekl_query(device, ext_kekls); + if (rc != 0) + goto fail; + if (copy_to_user((char __user *) arg, ext_kekls, sizeof(*ext_kekls))) { + rc = -EFAULT; + goto fail; + } + rc = 0; +fail: + kfree(ext_kekls); + return rc; +} + +static int tape_3590_mttell(struct tape_device *device, int mt_count); + +/* + * Set KEKLs + */ +static int tape_3592_kekl_set(struct tape_device *device, + struct tape390_kekl_pair *ext_kekls) +{ + struct tape_request *request; + struct tape3592_kekl_set_order *order; + + DBF_EVENT(6, "tape3592_kekl_set\n"); + if (check_ext_kekl_pair(ext_kekls)) { + DBF_EVENT(6, "invalid kekls\n"); + return -EINVAL; + } + if (tape_3590_mttell(device, 0) != 0) + return -EBADSLT; + request = tape_alloc_request(1, sizeof(*order)); + if (IS_ERR(request)) + return PTR_ERR(request); + order = request->cpdata; + memset(order, 0, sizeof(*order)); + order->code = 0xe3; + order->kekls.count = 2; + ext_to_int_kekl(&ext_kekls->kekl[0], &order->kekls.kekl[0]); + ext_to_int_kekl(&ext_kekls->kekl[1], &order->kekls.kekl[1]); + request->op = TO_KEKL_SET; + tape_ccw_end(request->cpaddr, PERF_SUBSYS_FUNC, sizeof(*order), order); + + return tape_do_io_free(device, request); +} + +/* + * IOCTL: Set KEKLs + */ +static int tape_3592_ioctl_kekl_set(struct tape_device *device, + unsigned long arg) +{ + int rc; + struct tape390_kekl_pair *ext_kekls; + + DBF_EVENT(6, "tape_3592_ioctl_kekl_set\n"); + if (!crypt_supported(device)) + return -ENOSYS; + if (!crypt_enabled(device)) + return -EUNATCH; + ext_kekls = kmalloc(sizeof(*ext_kekls), GFP_KERNEL); + if (!ext_kekls) + return -ENOMEM; + if (copy_from_user(ext_kekls, (char __user *)arg, sizeof(*ext_kekls))) { + rc = -EFAULT; + goto out; + } + rc = tape_3592_kekl_set(device, ext_kekls); +out: + kfree(ext_kekls); + return rc; +} + +/* + * Enable encryption + */ +static int tape_3592_enable_crypt(struct tape_device *device) +{ + struct tape_request *request; + char *data; + + DBF_EVENT(6, "tape_3592_enable_crypt\n"); + if (!crypt_supported(device)) + return -ENOSYS; + request = tape_alloc_request(2, 72); + if (IS_ERR(request)) + return PTR_ERR(request); + data = request->cpdata; + memset(data,0,72); + + data[0] = 0x05; + data[36 + 0] = 0x03; + data[36 + 1] = 0x03; + data[36 + 4] = 0x40; + data[36 + 6] = 0x01; + data[36 + 14] = 0x2f; + data[36 + 18] = 0xc3; + data[36 + 35] = 0x72; + request->op = TO_CRYPT_ON; + tape_ccw_cc(request->cpaddr, MODE_SET_CB, 36, data); + tape_ccw_end(request->cpaddr + 1, MODE_SET_CB, 36, data + 36); + return tape_do_io_free(device, request); +} + +/* + * Disable encryption + */ +static int tape_3592_disable_crypt(struct tape_device *device) +{ + struct tape_request *request; + char *data; + + DBF_EVENT(6, "tape_3592_disable_crypt\n"); + if (!crypt_supported(device)) + return -ENOSYS; + request = tape_alloc_request(2, 72); + if (IS_ERR(request)) + return PTR_ERR(request); + data = request->cpdata; + memset(data,0,72); + + data[0] = 0x05; + data[36 + 0] = 0x03; + data[36 + 1] = 0x03; + data[36 + 35] = 0x32; + + request->op = TO_CRYPT_OFF; + tape_ccw_cc(request->cpaddr, MODE_SET_CB, 36, data); + tape_ccw_end(request->cpaddr + 1, MODE_SET_CB, 36, data + 36); + + return tape_do_io_free(device, request); +} + +/* + * IOCTL: Set encryption status + */ +static int tape_3592_ioctl_crypt_set(struct tape_device *device, + unsigned long arg) +{ + struct tape390_crypt_info info; + + DBF_EVENT(6, "tape_3592_ioctl_crypt_set\n"); + if (!crypt_supported(device)) + return -ENOSYS; + if (copy_from_user(&info, (char __user *)arg, sizeof(info))) + return -EFAULT; + if (info.status & ~TAPE390_CRYPT_ON_MASK) + return -EINVAL; + if (info.status & TAPE390_CRYPT_ON_MASK) + return tape_3592_enable_crypt(device); + else + return tape_3592_disable_crypt(device); +} + +static int tape_3590_sense_medium(struct tape_device *device); + +/* + * IOCTL: Query enryption status + */ +static int tape_3592_ioctl_crypt_query(struct tape_device *device, + unsigned long arg) +{ + DBF_EVENT(6, "tape_3592_ioctl_crypt_query\n"); + if (!crypt_supported(device)) + return -ENOSYS; + tape_3590_sense_medium(device); + if (copy_to_user((char __user *) arg, &TAPE_3590_CRYPT_INFO(device), + sizeof(TAPE_3590_CRYPT_INFO(device)))) + return -EFAULT; + else + return 0; +} + /* * 3590 IOCTL Overload */ @@ -109,6 +436,14 @@ tape_3590_ioctl(struct tape_device *device, unsigned int cmd, unsigned long arg) return tape_std_display(device, &disp); } + case TAPE390_KEKL_SET: + return tape_3592_ioctl_kekl_set(device, arg); + case TAPE390_KEKL_QUERY: + return tape_3592_ioctl_kekl_query(device, arg); + case TAPE390_CRYPT_SET: + return tape_3592_ioctl_crypt_set(device, arg); + case TAPE390_CRYPT_QUERY: + return tape_3592_ioctl_crypt_query(device, arg); default: return -EINVAL; /* no additional ioctls */ } @@ -248,6 +583,12 @@ tape_3590_work_handler(struct work_struct *work) case TO_READ_ATTMSG: tape_3590_read_attmsg(p->device); break; + case TO_CRYPT_ON: + tape_3592_enable_crypt(p->device); + break; + case TO_CRYPT_OFF: + tape_3592_disable_crypt(p->device); + break; default: DBF_EVENT(3, "T3590: work handler undefined for " "operation 0x%02x\n", p->op); @@ -365,6 +706,33 @@ tape_3590_check_locate(struct tape_device *device, struct tape_request *request) } #endif +static void tape_3590_med_state_set(struct tape_device *device, + struct tape_3590_med_sense *sense) +{ + struct tape390_crypt_info *c_info; + + c_info = &TAPE_3590_CRYPT_INFO(device); + + if (sense->masst == MSENSE_UNASSOCIATED) { + tape_med_state_set(device, MS_UNLOADED); + TAPE_3590_CRYPT_INFO(device).medium_status = 0; + return; + } + if (sense->masst != MSENSE_ASSOCIATED_MOUNT) { + PRINT_ERR("Unknown medium state: %x\n", sense->masst); + return; + } + tape_med_state_set(device, MS_LOADED); + c_info->medium_status |= TAPE390_MEDIUM_LOADED_MASK; + if (sense->flags & MSENSE_CRYPT_MASK) { + PRINT_INFO("Medium is encrypted (%04x)\n", sense->flags); + c_info->medium_status |= TAPE390_MEDIUM_ENCRYPTED_MASK; + } else { + DBF_EVENT(6, "Medium is not encrypted %04x\n", sense->flags); + c_info->medium_status &= ~TAPE390_MEDIUM_ENCRYPTED_MASK; + } +} + /* * The done handler is called at device/channel end and wakes up the sleeping * process @@ -372,9 +740,10 @@ tape_3590_check_locate(struct tape_device *device, struct tape_request *request) static int tape_3590_done(struct tape_device *device, struct tape_request *request) { - struct tape_3590_med_sense *sense; + struct tape_3590_disc_data *disc_data; DBF_EVENT(6, "%s done\n", tape_op_verbose[request->op]); + disc_data = device->discdata; switch (request->op) { case TO_BSB: @@ -394,13 +763,20 @@ tape_3590_done(struct tape_device *device, struct tape_request *request) break; case TO_RUN: tape_med_state_set(device, MS_UNLOADED); + tape_3590_schedule_work(device, TO_CRYPT_OFF); break; case TO_MSEN: - sense = (struct tape_3590_med_sense *) request->cpdata; - if (sense->masst == MSENSE_UNASSOCIATED) - tape_med_state_set(device, MS_UNLOADED); - if (sense->masst == MSENSE_ASSOCIATED_MOUNT) - tape_med_state_set(device, MS_LOADED); + tape_3590_med_state_set(device, request->cpdata); + break; + case TO_CRYPT_ON: + TAPE_3590_CRYPT_INFO(device).status + |= TAPE390_CRYPT_ON_MASK; + *(device->modeset_byte) |= 0x03; + break; + case TO_CRYPT_OFF: + TAPE_3590_CRYPT_INFO(device).status + &= ~TAPE390_CRYPT_ON_MASK; + *(device->modeset_byte) &= ~0x03; break; case TO_RBI: /* RBI seems to succeed even without medium loaded. */ case TO_NOP: /* Same to NOP. */ @@ -409,8 +785,9 @@ tape_3590_done(struct tape_device *device, struct tape_request *request) case TO_DIS: case TO_ASSIGN: case TO_UNASSIGN: - break; case TO_SIZE: + case TO_KEKL_SET: + case TO_KEKL_QUERY: break; } return TAPE_IO_SUCCESS; @@ -540,10 +917,8 @@ static int tape_3590_erp_long_busy(struct tape_device *device, struct tape_request *request, struct irb *irb) { - /* FIXME: how about WAITING for a minute ? */ - PRINT_WARN("(%s): Device is busy! Please wait a minute!\n", - device->cdev->dev.bus_id); - return tape_3590_erp_basic(device, request, irb, -EBUSY); + DBF_EVENT(6, "Device is busy\n"); + return TAPE_IO_LONG_BUSY; } /* @@ -951,6 +1326,34 @@ tape_3590_print_era_msg(struct tape_device *device, struct irb *irb) device->cdev->dev.bus_id, sense->mc); } +static int tape_3590_crypt_error(struct tape_device *device, + struct tape_request *request, struct irb *irb) +{ + u8 cu_rc, ekm_rc1; + u16 ekm_rc2; + u32 drv_rc; + char *bus_id, *sense; + + sense = ((struct tape_3590_sense *) irb->ecw)->fmt.data; + bus_id = device->cdev->dev.bus_id; + cu_rc = sense[0]; + drv_rc = *((u32*) &sense[5]) & 0xffffff; + ekm_rc1 = sense[9]; + ekm_rc2 = *((u16*) &sense[10]); + if ((cu_rc == 0) && (ekm_rc2 == 0xee31)) + /* key not defined on EKM */ + return tape_3590_erp_basic(device, request, irb, -EKEYREJECTED); + if ((cu_rc == 1) || (cu_rc == 2)) + /* No connection to EKM */ + return tape_3590_erp_basic(device, request, irb, -ENOTCONN); + + PRINT_ERR("(%s): Unable to get encryption key from EKM\n", bus_id); + PRINT_ERR("(%s): CU=%02X DRIVE=%06X EKM=%02X:%04X\n", bus_id, cu_rc, + drv_rc, ekm_rc1, ekm_rc2); + + return tape_3590_erp_basic(device, request, irb, -ENOKEY); +} + /* * 3590 error Recovery routine: * If possible, it tries to recover from the error. If this is not possible, @@ -979,6 +1382,8 @@ tape_3590_unit_check(struct tape_device *device, struct tape_request *request, sense = (struct tape_3590_sense *) irb->ecw; + DBF_EVENT(6, "Unit Check: RQC = %x\n", sense->rc_rqc); + /* * First check all RC-QRCs where we want to do something special * - "break": basic error recovery is done @@ -999,6 +1404,8 @@ tape_3590_unit_check(struct tape_device *device, struct tape_request *request, case 0x2231: tape_3590_print_era_msg(device, irb); return tape_3590_erp_special_interrupt(device, request, irb); + case 0x2240: + return tape_3590_crypt_error(device, request, irb); case 0x3010: DBF_EVENT(2, "(%08x): Backward at Beginning of Partition\n", @@ -1020,6 +1427,7 @@ tape_3590_unit_check(struct tape_device *device, struct tape_request *request, DBF_EVENT(2, "(%08x): Rewind Unload complete\n", device->cdev_id); tape_med_state_set(device, MS_UNLOADED); + tape_3590_schedule_work(device, TO_CRYPT_OFF); return tape_3590_erp_basic(device, request, irb, 0); case 0x4010: @@ -1030,9 +1438,15 @@ tape_3590_unit_check(struct tape_device *device, struct tape_request *request, PRINT_WARN("(%s): Tape operation when medium not loaded\n", device->cdev->dev.bus_id); tape_med_state_set(device, MS_UNLOADED); + tape_3590_schedule_work(device, TO_CRYPT_OFF); return tape_3590_erp_basic(device, request, irb, -ENOMEDIUM); case 0x4012: /* Device Long Busy */ + /* XXX: Also use long busy handling here? */ + DBF_EVENT(6, "(%08x): LONG BUSY\n", device->cdev_id); tape_3590_print_era_msg(device, irb); + return tape_3590_erp_basic(device, request, irb, -EBUSY); + case 0x4014: + DBF_EVENT(6, "(%08x): Crypto LONG BUSY\n", device->cdev_id); return tape_3590_erp_long_busy(device, request, irb); case 0x5010: @@ -1064,6 +1478,7 @@ tape_3590_unit_check(struct tape_device *device, struct tape_request *request, case 0x5120: case 0x1120: tape_med_state_set(device, MS_UNLOADED); + tape_3590_schedule_work(device, TO_CRYPT_OFF); return tape_3590_erp_basic(device, request, irb, -ENOMEDIUM); case 0x6020: @@ -1142,21 +1557,47 @@ tape_3590_setup_device(struct tape_device *device) { int rc; struct tape_3590_disc_data *data; + char *rdc_data; DBF_EVENT(6, "3590 device setup\n"); - data = kmalloc(sizeof(struct tape_3590_disc_data), - GFP_KERNEL | GFP_DMA); + data = kzalloc(sizeof(struct tape_3590_disc_data), GFP_KERNEL | GFP_DMA); if (data == NULL) return -ENOMEM; data->read_back_op = READ_PREVIOUS; device->discdata = data; - if ((rc = tape_std_assign(device)) == 0) { - /* Try to find out if medium is loaded */ - if ((rc = tape_3590_sense_medium(device)) != 0) - DBF_LH(3, "3590 medium sense returned %d\n", rc); + rdc_data = kmalloc(64, GFP_KERNEL | GFP_DMA); + if (!rdc_data) { + rc = -ENOMEM; + goto fail_kmalloc; + } + rc = read_dev_chars(device->cdev, (void**)&rdc_data, 64); + if (rc) { + DBF_LH(3, "Read device characteristics failed!\n"); + goto fail_kmalloc; + } + rc = tape_std_assign(device); + if (rc) + goto fail_rdc_data; + if (rdc_data[31] == 0x13) { + PRINT_INFO("Device has crypto support\n"); + data->crypt_info.capability |= TAPE390_CRYPT_SUPPORTED_MASK; + tape_3592_disable_crypt(device); + } else { + DBF_EVENT(6, "Device has NO crypto support\n"); } + /* Try to find out if medium is loaded */ + rc = tape_3590_sense_medium(device); + if (rc) { + DBF_LH(3, "3590 medium sense returned %d\n", rc); + goto fail_rdc_data; + } + return 0; +fail_rdc_data: + kfree(rdc_data); +fail_kmalloc: + kfree(data); return rc; } diff --git a/drivers/s390/char/tape_3590.h b/drivers/s390/char/tape_3590.h index cf274b9445a..aa5138807af 100644 --- a/drivers/s390/char/tape_3590.h +++ b/drivers/s390/char/tape_3590.h @@ -2,7 +2,7 @@ * drivers/s390/char/tape_3590.h * tape device discipline for 3590 tapes. * - * Copyright (C) IBM Corp. 2001,2006 + * Copyright IBM Corp. 2001,2006 * Author(s): Stefan Bader <shbader@de.ibm.com> * Michael Holzheu <holzheu@de.ibm.com> * Martin Schwidefsky <schwidefsky@de.ibm.com> @@ -38,16 +38,22 @@ #define MSENSE_UNASSOCIATED 0x00 #define MSENSE_ASSOCIATED_MOUNT 0x01 #define MSENSE_ASSOCIATED_UMOUNT 0x02 +#define MSENSE_CRYPT_MASK 0x00000010 #define TAPE_3590_MAX_MSG 0xb0 /* Datatypes */ struct tape_3590_disc_data { - unsigned char modeset_byte; + struct tape390_crypt_info crypt_info; int read_back_op; }; +#define TAPE_3590_CRYPT_INFO(device) \ + ((struct tape_3590_disc_data*)(device->discdata))->crypt_info +#define TAPE_3590_READ_BACK_OP(device) \ + ((struct tape_3590_disc_data*)(device->discdata))->read_back_op + struct tape_3590_sense { unsigned int command_rej:1; @@ -118,7 +124,48 @@ struct tape_3590_sense { struct tape_3590_med_sense { unsigned int macst:4; unsigned int masst:4; - char pad[127]; + char pad1[7]; + unsigned int flags; + char pad2[116]; +} __attribute__ ((packed)); + +/* Datastructures for 3592 encryption support */ + +struct tape3592_kekl { + __u8 flags; + char label[64]; +} __attribute__ ((packed)); + +struct tape3592_kekl_pair { + __u8 count; + struct tape3592_kekl kekl[2]; +} __attribute__ ((packed)); + +struct tape3592_kekl_query_data { + __u16 len; + __u8 fmt; + __u8 mc; + __u32 id; + __u8 flags; + struct tape3592_kekl_pair kekls; + char reserved[116]; +} __attribute__ ((packed)); + +struct tape3592_kekl_query_order { + __u8 code; + __u8 flags; + char reserved1[2]; + __u8 max_count; + char reserved2[35]; +} __attribute__ ((packed)); + +struct tape3592_kekl_set_order { + __u8 code; + __u8 flags; + char reserved1[2]; + __u8 op; + struct tape3592_kekl_pair kekls; + char reserved2[120]; } __attribute__ ((packed)); #endif /* _TAPE_3590_H */ diff --git a/drivers/s390/char/tape_block.c b/drivers/s390/char/tape_block.c index c8a89b3b87d..dd0ecaed592 100644 --- a/drivers/s390/char/tape_block.c +++ b/drivers/s390/char/tape_block.c @@ -73,7 +73,7 @@ tapeblock_trigger_requeue(struct tape_device *device) /* * Post finished request. */ -static inline void +static void tapeblock_end_request(struct request *req, int uptodate) { if (end_that_request_first(req, uptodate, req->hard_nr_sectors)) @@ -108,7 +108,7 @@ __tapeblock_end_request(struct tape_request *ccw_req, void *data) /* * Feed the tape device CCW queue with requests supplied in a list. */ -static inline int +static int tapeblock_start_request(struct tape_device *device, struct request *req) { struct tape_request * ccw_req; diff --git a/drivers/s390/char/tape_char.c b/drivers/s390/char/tape_char.c index 31198c8f271..9faea04e11e 100644 --- a/drivers/s390/char/tape_char.c +++ b/drivers/s390/char/tape_char.c @@ -3,7 +3,7 @@ * character device frontend for tape device driver * * S390 and zSeries version - * Copyright (C) 2001,2002 IBM Deutschland Entwicklung GmbH, IBM Corporation + * Copyright IBM Corp. 2001,2006 * Author(s): Carsten Otte <cotte@de.ibm.com> * Michael Holzheu <holzheu@de.ibm.com> * Tuan Ngo-Anh <ngoanh@de.ibm.com> @@ -89,22 +89,7 @@ tapechar_cleanup_device(struct tape_device *device) device->nt = NULL; } -/* - * Terminate write command (we write two TMs and skip backward over last) - * This ensures that the tape is always correctly terminated. - * When the user writes afterwards a new file, he will overwrite the - * second TM and therefore one TM will remain to separate the - * two files on the tape... - */ -static inline void -tapechar_terminate_write(struct tape_device *device) -{ - if (tape_mtop(device, MTWEOF, 1) == 0 && - tape_mtop(device, MTWEOF, 1) == 0) - tape_mtop(device, MTBSR, 1); -} - -static inline int +static int tapechar_check_idalbuffer(struct tape_device *device, size_t block_size) { struct idal_buffer *new; @@ -137,7 +122,7 @@ tapechar_check_idalbuffer(struct tape_device *device, size_t block_size) /* * Tape device read function */ -ssize_t +static ssize_t tapechar_read(struct file *filp, char __user *data, size_t count, loff_t *ppos) { struct tape_device *device; @@ -201,7 +186,7 @@ tapechar_read(struct file *filp, char __user *data, size_t count, loff_t *ppos) /* * Tape device write function */ -ssize_t +static ssize_t tapechar_write(struct file *filp, const char __user *data, size_t count, loff_t *ppos) { struct tape_device *device; @@ -291,7 +276,7 @@ tapechar_write(struct file *filp, const char __user *data, size_t count, loff_t /* * Character frontend tape device open function. */ -int +static int tapechar_open (struct inode *inode, struct file *filp) { struct tape_device *device; @@ -326,7 +311,7 @@ tapechar_open (struct inode *inode, struct file *filp) * Character frontend tape device release function. */ -int +static int tapechar_release(struct inode *inode, struct file *filp) { struct tape_device *device; diff --git a/drivers/s390/char/tape_core.c b/drivers/s390/char/tape_core.c index c6c2e918b99..e2a8a1a04ba 100644 --- a/drivers/s390/char/tape_core.c +++ b/drivers/s390/char/tape_core.c @@ -3,7 +3,7 @@ * basic function of the tape device driver * * S390 and zSeries version - * Copyright (C) 2001,2005 IBM Deutschland Entwicklung GmbH, IBM Corporation + * Copyright IBM Corp. 2001,2006 * Author(s): Carsten Otte <cotte@de.ibm.com> * Michael Holzheu <holzheu@de.ibm.com> * Tuan Ngo-Anh <ngoanh@de.ibm.com> @@ -26,9 +26,11 @@ #include "tape_std.h" #define PRINTK_HEADER "TAPE_CORE: " +#define LONG_BUSY_TIMEOUT 180 /* seconds */ static void __tape_do_irq (struct ccw_device *, unsigned long, struct irb *); static void tape_delayed_next_request(struct work_struct *); +static void tape_long_busy_timeout(unsigned long data); /* * One list to contain all tape devices of all disciplines, so @@ -69,10 +71,12 @@ const char *tape_op_verbose[TO_SIZE] = [TO_LOAD] = "LOA", [TO_READ_CONFIG] = "RCF", [TO_READ_ATTMSG] = "RAT", [TO_DIS] = "DIS", [TO_ASSIGN] = "ASS", - [TO_UNASSIGN] = "UAS" + [TO_UNASSIGN] = "UAS", [TO_CRYPT_ON] = "CON", + [TO_CRYPT_OFF] = "COF", [TO_KEKL_SET] = "KLS", + [TO_KEKL_QUERY] = "KLQ", }; -static inline int +static int busid_to_int(char *bus_id) { int dec; @@ -252,7 +256,7 @@ tape_med_state_set(struct tape_device *device, enum tape_medium_state newstate) /* * Stop running ccw. Has to be called with the device lock held. */ -static inline int +static int __tape_cancel_io(struct tape_device *device, struct tape_request *request) { int retries; @@ -346,6 +350,9 @@ tape_generic_online(struct tape_device *device, return -EINVAL; } + init_timer(&device->lb_timeout); + device->lb_timeout.function = tape_long_busy_timeout; + /* Let the discipline have a go at the device. */ device->discipline = discipline; if (!try_module_get(discipline->owner)) { @@ -385,7 +392,7 @@ out: return rc; } -static inline void +static void tape_cleanup_device(struct tape_device *device) { tapeblock_cleanup_device(device); @@ -563,7 +570,7 @@ tape_generic_probe(struct ccw_device *cdev) return ret; } -static inline void +static void __tape_discard_requests(struct tape_device *device) { struct tape_request * request; @@ -703,7 +710,7 @@ tape_free_request (struct tape_request * request) kfree(request); } -static inline int +static int __tape_start_io(struct tape_device *device, struct tape_request *request) { int rc; @@ -733,7 +740,7 @@ __tape_start_io(struct tape_device *device, struct tape_request *request) return rc; } -static inline void +static void __tape_start_next_request(struct tape_device *device) { struct list_head *l, *n; @@ -801,7 +808,23 @@ tape_delayed_next_request(struct work_struct *work) spin_unlock_irq(get_ccwdev_lock(device->cdev)); } -static inline void +static void tape_long_busy_timeout(unsigned long data) +{ + struct tape_request *request; + struct tape_device *device; + + device = (struct tape_device *) data; + spin_lock_irq(get_ccwdev_lock(device->cdev)); + request = list_entry(device->req_queue.next, struct tape_request, list); + if (request->status != TAPE_REQUEST_LONG_BUSY) + BUG(); + DBF_LH(6, "%08x: Long busy timeout.\n", device->cdev_id); + __tape_start_next_request(device); + device->lb_timeout.data = (unsigned long) tape_put_device(device); + spin_unlock_irq(get_ccwdev_lock(device->cdev)); +} + +static void __tape_end_request( struct tape_device * device, struct tape_request * request, @@ -878,7 +901,7 @@ tape_dump_sense_dbf(struct tape_device *device, struct tape_request *request, * and starts it if the tape is idle. Has to be called with * the device lock held. */ -static inline int +static int __tape_start_request(struct tape_device *device, struct tape_request *request) { int rc; @@ -1094,7 +1117,22 @@ __tape_do_irq (struct ccw_device *cdev, unsigned long intparm, struct irb *irb) /* May be an unsolicited irq */ if(request != NULL) request->rescnt = irb->scsw.count; - + else if ((irb->scsw.dstat == 0x85 || irb->scsw.dstat == 0x80) && + !list_empty(&device->req_queue)) { + /* Not Ready to Ready after long busy ? */ + struct tape_request *req; + req = list_entry(device->req_queue.next, + struct tape_request, list); + if (req->status == TAPE_REQUEST_LONG_BUSY) { + DBF_EVENT(3, "(%08x): del timer\n", device->cdev_id); + if (del_timer(&device->lb_timeout)) { + device->lb_timeout.data = (unsigned long) + tape_put_device(device); + __tape_start_next_request(device); + } + return; + } + } if (irb->scsw.dstat != 0x0c) { /* Set the 'ONLINE' flag depending on sense byte 1 */ if(*(((__u8 *) irb->ecw) + 1) & SENSE_DRIVE_ONLINE) @@ -1142,6 +1180,15 @@ __tape_do_irq (struct ccw_device *cdev, unsigned long intparm, struct irb *irb) break; case TAPE_IO_PENDING: break; + case TAPE_IO_LONG_BUSY: + device->lb_timeout.data = + (unsigned long)tape_get_device_reference(device); + device->lb_timeout.expires = jiffies + + LONG_BUSY_TIMEOUT * HZ; + DBF_EVENT(3, "(%08x): add timer\n", device->cdev_id); + add_timer(&device->lb_timeout); + request->status = TAPE_REQUEST_LONG_BUSY; + break; case TAPE_IO_RETRY: rc = __tape_start_io(device, request); if (rc) diff --git a/drivers/s390/char/tty3270.c b/drivers/s390/char/tty3270.c index 09844621edc..bc33068b9ce 100644 --- a/drivers/s390/char/tty3270.c +++ b/drivers/s390/char/tty3270.c @@ -36,7 +36,7 @@ struct tty_driver *tty3270_driver; static int tty3270_max_index; -struct raw3270_fn tty3270_fn; +static struct raw3270_fn tty3270_fn; struct tty3270_cell { unsigned char character; @@ -119,8 +119,7 @@ static void tty3270_update(struct tty3270 *); /* * Setup timeout for a device. On timeout trigger an update. */ -void -tty3270_set_timer(struct tty3270 *tp, int expires) +static void tty3270_set_timer(struct tty3270 *tp, int expires) { if (expires == 0) { if (timer_pending(&tp->timer) && del_timer(&tp->timer)) @@ -841,7 +840,7 @@ tty3270_del_views(void) } } -struct raw3270_fn tty3270_fn = { +static struct raw3270_fn tty3270_fn = { .activate = tty3270_activate, .deactivate = tty3270_deactivate, .intv = (void *) tty3270_irq, @@ -1754,8 +1753,7 @@ static const struct tty_operations tty3270_ops = { .set_termios = tty3270_set_termios }; -void -tty3270_notifier(int index, int active) +static void tty3270_notifier(int index, int active) { if (active) tty_register_device(tty3270_driver, index, NULL); @@ -1767,8 +1765,7 @@ tty3270_notifier(int index, int active) * 3270 tty registration code called from tty_init(). * Most kernel services (incl. kmalloc) are available at this poimt. */ -int __init -tty3270_init(void) +static int __init tty3270_init(void) { struct tty_driver *driver; int ret; diff --git a/drivers/s390/char/vmlogrdr.c b/drivers/s390/char/vmlogrdr.c index 6cb23040954..4f894dc2373 100644 --- a/drivers/s390/char/vmlogrdr.c +++ b/drivers/s390/char/vmlogrdr.c @@ -128,9 +128,8 @@ static iucv_interrupt_ops_t vmlogrdr_iucvops = { .MessagePending = vmlogrdr_iucv_MessagePending, }; - -DECLARE_WAIT_QUEUE_HEAD(conn_wait_queue); -DECLARE_WAIT_QUEUE_HEAD(read_wait_queue); +static DECLARE_WAIT_QUEUE_HEAD(conn_wait_queue); +static DECLARE_WAIT_QUEUE_HEAD(read_wait_queue); /* * pointer to system service private structure diff --git a/drivers/s390/cio/blacklist.c b/drivers/s390/cio/blacklist.c index 12c2d6b746e..aa65df4dfce 100644 --- a/drivers/s390/cio/blacklist.c +++ b/drivers/s390/cio/blacklist.c @@ -43,7 +43,7 @@ typedef enum {add, free} range_action; * Function: blacklist_range * (Un-)blacklist the devices from-to */ -static inline void +static void blacklist_range (range_action action, unsigned int from, unsigned int to, unsigned int ssid) { @@ -69,7 +69,7 @@ blacklist_range (range_action action, unsigned int from, unsigned int to, * Get devno/busid from given string. * Shamelessly grabbed from dasd_devmap.c. */ -static inline int +static int blacklist_busid(char **str, int *id0, int *ssid, int *devno) { int val, old_style; @@ -123,10 +123,10 @@ confused: return 1; } -static inline int +static int blacklist_parse_parameters (char *str, range_action action) { - unsigned int from, to, from_id0, to_id0, from_ssid, to_ssid; + int from, to, from_id0, to_id0, from_ssid, to_ssid; while (*str != 0 && *str != '\n') { range_action ra = action; @@ -227,7 +227,7 @@ is_blacklisted (int ssid, int devno) * Function: blacklist_parse_proc_parameters * parse the stuff which is piped to /proc/cio_ignore */ -static inline void +static void blacklist_parse_proc_parameters (char *buf) { if (strncmp (buf, "free ", 5) == 0) { diff --git a/drivers/s390/cio/ccwgroup.c b/drivers/s390/cio/ccwgroup.c index 38954f5cd14..d48e3ca4752 100644 --- a/drivers/s390/cio/ccwgroup.c +++ b/drivers/s390/cio/ccwgroup.c @@ -53,7 +53,7 @@ ccwgroup_uevent (struct device *dev, char **envp, int num_envp, char *buffer, static struct bus_type ccwgroup_bus_type; -static inline void +static void __ccwgroup_remove_symlinks(struct ccwgroup_device *gdev) { int i; @@ -104,7 +104,7 @@ ccwgroup_release (struct device *dev) kfree(gdev); } -static inline int +static int __ccwgroup_create_symlinks(struct ccwgroup_device *gdev) { char str[8]; @@ -424,7 +424,7 @@ ccwgroup_probe_ccwdev(struct ccw_device *cdev) return 0; } -static inline struct ccwgroup_device * +static struct ccwgroup_device * __ccwgroup_get_gdev_by_cdev(struct ccw_device *cdev) { struct ccwgroup_device *gdev; diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c index cbab8d2ce5c..6f05a44e381 100644 --- a/drivers/s390/cio/chsc.c +++ b/drivers/s390/cio/chsc.c @@ -93,7 +93,7 @@ chsc_get_sch_desc_irq(struct subchannel *sch, void *page) u16 sch; /* subchannel */ u8 chpid[8]; /* chpids 0-7 */ u16 fla[8]; /* full link addresses 0-7 */ - } *ssd_area; + } __attribute__ ((packed)) *ssd_area; ssd_area = page; @@ -277,7 +277,7 @@ out_unreg: return 0; } -static inline void +static void s390_set_chpid_offline( __u8 chpid) { char dbf_txt[15]; @@ -338,7 +338,7 @@ s390_process_res_acc_sch(struct res_acc_data *res_data, struct subchannel *sch) return 0x80 >> chp; } -static inline int +static int s390_process_res_acc_new_sch(struct subchannel_id schid) { struct schib schib; @@ -444,7 +444,7 @@ __get_chpid_from_lir(void *data) u32 andesc[28]; /* incident-specific information */ u32 isinfo[28]; - } *lir; + } __attribute__ ((packed)) *lir; lir = data; if (!(lir->iq&0x80)) @@ -461,154 +461,146 @@ __get_chpid_from_lir(void *data) return (u16) (lir->indesc[0]&0x000000ff); } -int -chsc_process_crw(void) +struct chsc_sei_area { + struct chsc_header request; + u32 reserved1; + u32 reserved2; + u32 reserved3; + struct chsc_header response; + u32 reserved4; + u8 flags; + u8 vf; /* validity flags */ + u8 rs; /* reporting source */ + u8 cc; /* content code */ + u16 fla; /* full link address */ + u16 rsid; /* reporting source id */ + u32 reserved5; + u32 reserved6; + u8 ccdf[4096 - 16 - 24]; /* content-code dependent field */ + /* ccdf has to be big enough for a link-incident record */ +} __attribute__ ((packed)); + +static int chsc_process_sei_link_incident(struct chsc_sei_area *sei_area) +{ + int chpid; + + CIO_CRW_EVENT(4, "chsc: link incident (rs=%02x, rs_id=%04x)\n", + sei_area->rs, sei_area->rsid); + if (sei_area->rs != 4) + return 0; + chpid = __get_chpid_from_lir(sei_area->ccdf); + if (chpid < 0) + CIO_CRW_EVENT(4, "chsc: link incident - invalid LIR\n"); + else + s390_set_chpid_offline(chpid); + + return 0; +} + +static int chsc_process_sei_res_acc(struct chsc_sei_area *sei_area) { - int chpid, ret; struct res_acc_data res_data; - struct { - struct chsc_header request; - u32 reserved1; - u32 reserved2; - u32 reserved3; - struct chsc_header response; - u32 reserved4; - u8 flags; - u8 vf; /* validity flags */ - u8 rs; /* reporting source */ - u8 cc; /* content code */ - u16 fla; /* full link address */ - u16 rsid; /* reporting source id */ - u32 reserved5; - u32 reserved6; - u32 ccdf[96]; /* content-code dependent field */ - /* ccdf has to be big enough for a link-incident record */ - } *sei_area; + struct device *dev; + int status; + int rc; + + CIO_CRW_EVENT(4, "chsc: resource accessibility event (rs=%02x, " + "rs_id=%04x)\n", sei_area->rs, sei_area->rsid); + if (sei_area->rs != 4) + return 0; + /* allocate a new channel path structure, if needed */ + status = get_chp_status(sei_area->rsid); + if (status < 0) + new_channel_path(sei_area->rsid); + else if (!status) + return 0; + dev = get_device(&css[0]->chps[sei_area->rsid]->dev); + memset(&res_data, 0, sizeof(struct res_acc_data)); + res_data.chp = to_channelpath(dev); + if ((sei_area->vf & 0xc0) != 0) { + res_data.fla = sei_area->fla; + if ((sei_area->vf & 0xc0) == 0xc0) + /* full link address */ + res_data.fla_mask = 0xffff; + else + /* link address */ + res_data.fla_mask = 0xff00; + } + rc = s390_process_res_acc(&res_data); + put_device(dev); + + return rc; +} + +static int chsc_process_sei(struct chsc_sei_area *sei_area) +{ + int rc; + + /* Check if we might have lost some information. */ + if (sei_area->flags & 0x40) + CIO_CRW_EVENT(2, "chsc: event overflow\n"); + /* which kind of information was stored? */ + rc = 0; + switch (sei_area->cc) { + case 1: /* link incident*/ + rc = chsc_process_sei_link_incident(sei_area); + break; + case 2: /* i/o resource accessibiliy */ + rc = chsc_process_sei_res_acc(sei_area); + break; + default: /* other stuff */ + CIO_CRW_EVENT(4, "chsc: unhandled sei content code %d\n", + sei_area->cc); + break; + } + + return rc; +} + +int chsc_process_crw(void) +{ + struct chsc_sei_area *sei_area; + int ret; + int rc; if (!sei_page) return 0; - /* - * build the chsc request block for store event information - * and do the call - * This function is only called by the machine check handler thread, - * so we don't need locking for the sei_page. - */ + /* Access to sei_page is serialized through machine check handler + * thread, so no need for locking. */ sei_area = sei_page; CIO_TRACE_EVENT( 2, "prcss"); ret = 0; do { - int ccode, status; - struct device *dev; memset(sei_area, 0, sizeof(*sei_area)); - memset(&res_data, 0, sizeof(struct res_acc_data)); sei_area->request.length = 0x0010; sei_area->request.code = 0x000e; + if (chsc(sei_area)) + break; - ccode = chsc(sei_area); - if (ccode > 0) - return 0; - - switch (sei_area->response.code) { - /* for debug purposes, check for problems */ - case 0x0001: - CIO_CRW_EVENT(4, "chsc_process_crw: event information " - "successfully stored\n"); - break; /* everything ok */ - case 0x0002: - CIO_CRW_EVENT(2, - "chsc_process_crw: invalid command!\n"); - return 0; - case 0x0003: - CIO_CRW_EVENT(2, "chsc_process_crw: error in chsc " - "request block!\n"); - return 0; - case 0x0005: - CIO_CRW_EVENT(2, "chsc_process_crw: no event " - "information stored\n"); - return 0; - default: - CIO_CRW_EVENT(2, "chsc_process_crw: chsc response %d\n", + if (sei_area->response.code == 0x0001) { + CIO_CRW_EVENT(4, "chsc: sei successful\n"); + rc = chsc_process_sei(sei_area); + if (rc) + ret = rc; + } else { + CIO_CRW_EVENT(2, "chsc: sei failed (rc=%04x)\n", sei_area->response.code); - return 0; - } - - /* Check if we might have lost some information. */ - if (sei_area->flags & 0x40) - CIO_CRW_EVENT(2, "chsc_process_crw: Event information " - "has been lost due to overflow!\n"); - - if (sei_area->rs != 4) { - CIO_CRW_EVENT(2, "chsc_process_crw: reporting source " - "(%04X) isn't a chpid!\n", - sei_area->rsid); - continue; - } - - /* which kind of information was stored? */ - switch (sei_area->cc) { - case 1: /* link incident*/ - CIO_CRW_EVENT(4, "chsc_process_crw: " - "channel subsystem reports link incident," - " reporting source is chpid %x\n", - sei_area->rsid); - chpid = __get_chpid_from_lir(sei_area->ccdf); - if (chpid < 0) - CIO_CRW_EVENT(4, "%s: Invalid LIR, skipping\n", - __FUNCTION__); - else - s390_set_chpid_offline(chpid); - break; - - case 2: /* i/o resource accessibiliy */ - CIO_CRW_EVENT(4, "chsc_process_crw: " - "channel subsystem reports some I/O " - "devices may have become accessible\n"); - pr_debug("Data received after sei: \n"); - pr_debug("Validity flags: %x\n", sei_area->vf); - - /* allocate a new channel path structure, if needed */ - status = get_chp_status(sei_area->rsid); - if (status < 0) - new_channel_path(sei_area->rsid); - else if (!status) - break; - dev = get_device(&css[0]->chps[sei_area->rsid]->dev); - res_data.chp = to_channelpath(dev); - pr_debug("chpid: %x", sei_area->rsid); - if ((sei_area->vf & 0xc0) != 0) { - res_data.fla = sei_area->fla; - if ((sei_area->vf & 0xc0) == 0xc0) { - pr_debug(" full link addr: %x", - sei_area->fla); - res_data.fla_mask = 0xffff; - } else { - pr_debug(" link addr: %x", - sei_area->fla); - res_data.fla_mask = 0xff00; - } - } - ret = s390_process_res_acc(&res_data); - pr_debug("\n\n"); - put_device(dev); - break; - - default: /* other stuff */ - CIO_CRW_EVENT(4, "chsc_process_crw: event %d\n", - sei_area->cc); + ret = 0; break; } } while (sei_area->flags & 0x80); + return ret; } -static inline int +static int __chp_add_new_sch(struct subchannel_id schid) { struct schib schib; int ret; - if (stsch(schid, &schib)) + if (stsch_err(schid, &schib)) /* We're through */ return need_rescan ? -EAGAIN : -ENXIO; @@ -709,7 +701,7 @@ chp_process_crw(int chpid, int on) return chp_add(chpid); } -static inline int check_for_io_on_path(struct subchannel *sch, int index) +static int check_for_io_on_path(struct subchannel *sch, int index) { int cc; @@ -741,7 +733,7 @@ static void terminate_internal_io(struct subchannel *sch) sch->driver->termination(&sch->dev); } -static inline void +static void __s390_subchannel_vary_chpid(struct subchannel *sch, __u8 chpid, int on) { int chp, old_lpm; @@ -967,8 +959,8 @@ static struct bin_attribute chp_measurement_attr = { static void chsc_remove_chp_cmg_attr(struct channel_path *chp) { - sysfs_remove_bin_file(&chp->dev.kobj, &chp_measurement_chars_attr); - sysfs_remove_bin_file(&chp->dev.kobj, &chp_measurement_attr); + device_remove_bin_file(&chp->dev, &chp_measurement_chars_attr); + device_remove_bin_file(&chp->dev, &chp_measurement_attr); } static int @@ -976,14 +968,12 @@ chsc_add_chp_cmg_attr(struct channel_path *chp) { int ret; - ret = sysfs_create_bin_file(&chp->dev.kobj, - &chp_measurement_chars_attr); + ret = device_create_bin_file(&chp->dev, &chp_measurement_chars_attr); if (ret) return ret; - ret = sysfs_create_bin_file(&chp->dev.kobj, &chp_measurement_attr); + ret = device_create_bin_file(&chp->dev, &chp_measurement_attr); if (ret) - sysfs_remove_bin_file(&chp->dev.kobj, - &chp_measurement_chars_attr); + device_remove_bin_file(&chp->dev, &chp_measurement_chars_attr); return ret; } @@ -1042,7 +1032,7 @@ __chsc_do_secm(struct channel_subsystem *css, int enable, void *page) u32 : 4; u32 fmt : 4; u32 : 16; - } *secm_area; + } __attribute__ ((packed)) *secm_area; int ret, ccode; secm_area = page; @@ -1253,7 +1243,7 @@ chsc_determine_channel_path_description(int chpid, struct chsc_header response; u32 zeroes2; struct channel_path_desc desc; - } *scpd_area; + } __attribute__ ((packed)) *scpd_area; scpd_area = (void *)get_zeroed_page(GFP_KERNEL | GFP_DMA); if (!scpd_area) @@ -1350,7 +1340,7 @@ chsc_get_channel_measurement_chars(struct channel_path *chp) u32 cmg : 8; u32 zeroes3; u32 data[NR_MEASUREMENT_CHARS]; - } *scmc_area; + } __attribute__ ((packed)) *scmc_area; scmc_area = (void *)get_zeroed_page(GFP_KERNEL | GFP_DMA); if (!scmc_area) @@ -1517,7 +1507,7 @@ chsc_enable_facility(int operation_code) u32 reserved5:4; u32 format2:4; u32 reserved6:24; - } *sda_area; + } __attribute__ ((packed)) *sda_area; sda_area = (void *)get_zeroed_page(GFP_KERNEL|GFP_DMA); if (!sda_area) @@ -1569,7 +1559,7 @@ chsc_determine_css_characteristics(void) u32 reserved4; u32 general_char[510]; u32 chsc_char[518]; - } *scsc_area; + } __attribute__ ((packed)) *scsc_area; scsc_area = (void *)get_zeroed_page(GFP_KERNEL | GFP_DMA); if (!scsc_area) { diff --git a/drivers/s390/cio/chsc.h b/drivers/s390/cio/chsc.h index a259245780a..0fb2b024208 100644 --- a/drivers/s390/cio/chsc.h +++ b/drivers/s390/cio/chsc.h @@ -10,17 +10,17 @@ struct chsc_header { u16 length; u16 code; -}; +} __attribute__ ((packed)); #define NR_MEASUREMENT_CHARS 5 struct cmg_chars { u32 values[NR_MEASUREMENT_CHARS]; -}; +} __attribute__ ((packed)); #define NR_MEASUREMENT_ENTRIES 8 struct cmg_entry { u32 values[NR_MEASUREMENT_ENTRIES]; -}; +} __attribute__ ((packed)); struct channel_path_desc { u8 flags; @@ -31,7 +31,7 @@ struct channel_path_desc { u8 zeroes; u8 chla; u8 chpp; -}; +} __attribute__ ((packed)); struct channel_path { int id; @@ -47,6 +47,9 @@ struct channel_path { extern void s390_process_css( void ); extern void chsc_validate_chpids(struct subchannel *); extern void chpid_is_actually_online(int); +extern int css_get_ssd_info(struct subchannel *); +extern int chsc_process_crw(void); +extern int chp_process_crw(int, int); struct css_general_char { u64 : 41; diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c index ae1bf231d08..b3a56dc5f68 100644 --- a/drivers/s390/cio/cio.c +++ b/drivers/s390/cio/cio.c @@ -122,7 +122,7 @@ cio_get_options (struct subchannel *sch) * Use tpi to get a pending interrupt, call the interrupt handler and * return a pointer to the subchannel structure. */ -static inline int +static int cio_tpi(void) { struct tpi_info *tpi_info; @@ -152,7 +152,7 @@ cio_tpi(void) return 1; } -static inline int +static int cio_start_handle_notoper(struct subchannel *sch, __u8 lpm) { char dbf_text[15]; @@ -585,7 +585,7 @@ cio_validate_subchannel (struct subchannel *sch, struct subchannel_id schid) * This device must not be known to Linux. So we simply * say that there is no device and return ENODEV. */ - CIO_MSG_EVENT(0, "Blacklisted device detected " + CIO_MSG_EVENT(4, "Blacklisted device detected " "at devno %04X, subchannel set %x\n", sch->schib.pmcw.dev, sch->schid.ssid); err = -ENODEV; @@ -646,7 +646,7 @@ do_IRQ (struct pt_regs *regs) * Make sure that the i/o interrupt did not "overtake" * the last HZ timer interrupt. */ - account_ticks(); + account_ticks(S390_lowcore.int_clock); /* * Get interrupt information from lowcore */ @@ -832,7 +832,7 @@ cio_get_console_subchannel(void) } #endif -static inline int +static int __disable_subchannel_easy(struct subchannel_id schid, struct schib *schib) { int retry, cc; @@ -850,7 +850,20 @@ __disable_subchannel_easy(struct subchannel_id schid, struct schib *schib) return -EBUSY; /* uhm... */ } -static inline int +/* we can't use the normal udelay here, since it enables external interrupts */ + +static void udelay_reset(unsigned long usecs) +{ + uint64_t start_cc, end_cc; + + asm volatile ("STCK %0" : "=m" (start_cc)); + do { + cpu_relax(); + asm volatile ("STCK %0" : "=m" (end_cc)); + } while (((end_cc - start_cc)/4096) < usecs); +} + +static int __clear_subchannel_easy(struct subchannel_id schid) { int retry; @@ -865,7 +878,7 @@ __clear_subchannel_easy(struct subchannel_id schid) if (schid_equal(&ti.schid, &schid)) return 0; } - udelay(100); + udelay_reset(100); } return -EBUSY; } @@ -882,11 +895,11 @@ static int stsch_reset(struct subchannel_id schid, volatile struct schib *addr) int rc; pgm_check_occured = 0; - s390_reset_pgm_handler = cio_reset_pgm_check_handler; + s390_base_pgm_handler_fn = cio_reset_pgm_check_handler; rc = stsch(schid, addr); - s390_reset_pgm_handler = NULL; + s390_base_pgm_handler_fn = NULL; - /* The program check handler could have changed pgm_check_occured */ + /* The program check handler could have changed pgm_check_occured. */ barrier(); if (pgm_check_occured) @@ -944,7 +957,7 @@ static void css_reset(void) /* Reset subchannels. */ for_each_subchannel(__shutdown_subchannel_easy, NULL); /* Reset channel paths. */ - s390_reset_mcck_handler = s390_reset_chpids_mcck_handler; + s390_base_mcck_handler_fn = s390_reset_chpids_mcck_handler; /* Enable channel report machine checks. */ __ctl_set_bit(14, 28); /* Temporarily reenable machine checks. */ @@ -969,7 +982,7 @@ static void css_reset(void) local_mcck_disable(); /* Disable channel report machine checks. */ __ctl_clear_bit(14, 28); - s390_reset_mcck_handler = NULL; + s390_base_mcck_handler_fn = NULL; } static struct reset_call css_reset_call = { diff --git a/drivers/s390/cio/cmf.c b/drivers/s390/cio/cmf.c index 828b2d334f0..90b22faabbf 100644 --- a/drivers/s390/cio/cmf.c +++ b/drivers/s390/cio/cmf.c @@ -519,8 +519,8 @@ struct cmb { /* insert a single device into the cmb_area list * called with cmb_area.lock held from alloc_cmb */ -static inline int alloc_cmb_single (struct ccw_device *cdev, - struct cmb_data *cmb_data) +static int alloc_cmb_single(struct ccw_device *cdev, + struct cmb_data *cmb_data) { struct cmb *cmb; struct ccw_device_private *node; diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c index 9d6c0244686..fe0ace7aece 100644 --- a/drivers/s390/cio/css.c +++ b/drivers/s390/cio/css.c @@ -30,7 +30,7 @@ struct channel_subsystem *css[__MAX_CSSID + 1]; int css_characteristics_avail = 0; -inline int +int for_each_subchannel(int(*fn)(struct subchannel_id, void *), void *data) { struct subchannel_id schid; @@ -108,9 +108,6 @@ css_subchannel_release(struct device *dev) } } -extern int css_get_ssd_info(struct subchannel *sch); - - int css_sch_device_register(struct subchannel *sch) { int ret; @@ -187,7 +184,7 @@ get_subchannel_by_schid(struct subchannel_id schid) return dev ? to_subchannel(dev) : NULL; } -static inline int css_get_subchannel_status(struct subchannel *sch) +static int css_get_subchannel_status(struct subchannel *sch) { struct schib schib; @@ -299,7 +296,7 @@ static int css_evaluate_new_subchannel(struct subchannel_id schid, int slow) /* Will be done on the slow path. */ return -EAGAIN; } - if (stsch(schid, &schib) || !schib.pmcw.dnv) { + if (stsch_err(schid, &schib) || !schib.pmcw.dnv) { /* Unusable - ignore. */ return 0; } @@ -417,7 +414,7 @@ static void reprobe_all(struct work_struct *unused) need_reprobe); } -DECLARE_WORK(css_reprobe_work, reprobe_all); +static DECLARE_WORK(css_reprobe_work, reprobe_all); /* Schedule reprobing of all unregistered subchannels. */ void css_schedule_reprobe(void) @@ -578,7 +575,7 @@ css_cm_enable_store(struct device *dev, struct device_attribute *attr, static DEVICE_ATTR(cm_enable, 0644, css_cm_enable_show, css_cm_enable_store); -static inline int __init setup_css(int nr) +static int __init setup_css(int nr) { u32 tod_high; int ret; diff --git a/drivers/s390/cio/css.h b/drivers/s390/cio/css.h index 3464c5b875c..ca2bab932a8 100644 --- a/drivers/s390/cio/css.h +++ b/drivers/s390/cio/css.h @@ -143,6 +143,8 @@ extern void css_sch_device_unregister(struct subchannel *); extern struct subchannel * get_subchannel_by_schid(struct subchannel_id); extern int css_init_done; extern int for_each_subchannel(int(*fn)(struct subchannel_id, void *), void *); +extern int css_process_crw(int, int); +extern void css_reiterate_subchannels(void); #define __MAX_SUBCHANNEL 65535 #define __MAX_SSID 3 diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c index 803579053c2..e322111fb36 100644 --- a/drivers/s390/cio/device.c +++ b/drivers/s390/cio/device.c @@ -138,7 +138,6 @@ struct bus_type ccw_bus_type; static int io_subchannel_probe (struct subchannel *); static int io_subchannel_remove (struct subchannel *); -void io_subchannel_irq (struct device *); static int io_subchannel_notify(struct device *, int); static void io_subchannel_verify(struct device *); static void io_subchannel_ioterm(struct device *); @@ -235,11 +234,8 @@ chpids_show (struct device * dev, struct device_attribute *attr, char * buf) ssize_t ret = 0; int chp; - if (ssd) - for (chp = 0; chp < 8; chp++) - ret += sprintf (buf+ret, "%02x ", ssd->chpid[chp]); - else - ret += sprintf (buf, "n/a"); + for (chp = 0; chp < 8; chp++) + ret += sprintf (buf+ret, "%02x ", ssd->chpid[chp]); ret += sprintf (buf+ret, "\n"); return min((ssize_t)PAGE_SIZE, ret); } @@ -552,13 +548,13 @@ static struct attribute_group ccwdev_attr_group = { .attrs = ccwdev_attrs, }; -static inline int +static int device_add_files (struct device *dev) { return sysfs_create_group(&dev->kobj, &ccwdev_attr_group); } -static inline void +static void device_remove_files(struct device *dev) { sysfs_remove_group(&dev->kobj, &ccwdev_attr_group); diff --git a/drivers/s390/cio/device.h b/drivers/s390/cio/device.h index 29db6341d63..b66338b7657 100644 --- a/drivers/s390/cio/device.h +++ b/drivers/s390/cio/device.h @@ -74,6 +74,7 @@ extern struct workqueue_struct *ccw_device_notify_work; extern wait_queue_head_t ccw_device_init_wq; extern atomic_t ccw_device_init_count; +void io_subchannel_irq (struct device *pdev); void io_subchannel_recog_done(struct ccw_device *cdev); int ccw_device_cancel_halt_clear(struct ccw_device *); @@ -118,6 +119,7 @@ int ccw_device_stlck(struct ccw_device *); /* qdio needs this. */ void ccw_device_set_timeout(struct ccw_device *, int); extern struct subchannel_id ccw_device_get_subchannel_id(struct ccw_device *); +extern struct bus_type ccw_bus_type; /* Channel measurement facility related */ void retry_set_schib(struct ccw_device *cdev); diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c index eed14572fc3..51238e7555b 100644 --- a/drivers/s390/cio/device_fsm.c +++ b/drivers/s390/cio/device_fsm.c @@ -206,7 +206,7 @@ ccw_device_handle_oper(struct ccw_device *cdev) * been varied online on the SE so we have to find out by magic (i. e. driving * the channel subsystem to device selection and updating our path masks). */ -static inline void +static void __recover_lost_chpids(struct subchannel *sch, int old_lpm) { int mask, i; @@ -387,7 +387,7 @@ ccw_device_done(struct ccw_device *cdev, int state) put_device (&cdev->dev); } -static inline int cmp_pgid(struct pgid *p1, struct pgid *p2) +static int cmp_pgid(struct pgid *p1, struct pgid *p2) { char *c1; char *c2; @@ -842,6 +842,8 @@ ccw_device_irq(struct ccw_device *cdev, enum dev_event dev_event) call_handler_unsol: if (cdev->handler) cdev->handler (cdev, 0, irb); + if (cdev->private->flags.doverify) + ccw_device_online_verify(cdev, 0); return; } /* Accumulate status and find out if a basic sense is needed. */ @@ -892,7 +894,7 @@ ccw_device_online_timeout(struct ccw_device *cdev, enum dev_event dev_event) /* * Got an interrupt for a basic sense. */ -void +static void ccw_device_w4sense(struct ccw_device *cdev, enum dev_event dev_event) { struct irb *irb; diff --git a/drivers/s390/cio/device_ops.c b/drivers/s390/cio/device_ops.c index d269607336e..d7b25b8f71d 100644 --- a/drivers/s390/cio/device_ops.c +++ b/drivers/s390/cio/device_ops.c @@ -302,7 +302,7 @@ ccw_device_wake_up(struct ccw_device *cdev, unsigned long ip, struct irb *irb) wake_up(&cdev->private->wait_q); } -static inline int +static int __ccw_device_retry_loop(struct ccw_device *cdev, struct ccw1 *ccw, long magic, __u8 lpm) { int ret; diff --git a/drivers/s390/cio/device_status.c b/drivers/s390/cio/device_status.c index bdcf930f7be..6b1caea622e 100644 --- a/drivers/s390/cio/device_status.c +++ b/drivers/s390/cio/device_status.c @@ -25,7 +25,7 @@ * Check for any kind of channel or interface control check but don't * issue the message for the console device */ -static inline void +static void ccw_device_msg_control_check(struct ccw_device *cdev, struct irb *irb) { if (!(irb->scsw.cstat & (SCHN_STAT_CHN_DATA_CHK | @@ -72,7 +72,7 @@ ccw_device_path_notoper(struct ccw_device *cdev) /* * Copy valid bits from the extended control word to device irb. */ -static inline void +static void ccw_device_accumulate_ecw(struct ccw_device *cdev, struct irb *irb) { /* @@ -94,7 +94,7 @@ ccw_device_accumulate_ecw(struct ccw_device *cdev, struct irb *irb) /* * Check if extended status word is valid. */ -static inline int +static int ccw_device_accumulate_esw_valid(struct irb *irb) { if (!irb->scsw.eswf && irb->scsw.stctl == SCSW_STCTL_STATUS_PEND) @@ -109,7 +109,7 @@ ccw_device_accumulate_esw_valid(struct irb *irb) /* * Copy valid bits from the extended status word to device irb. */ -static inline void +static void ccw_device_accumulate_esw(struct ccw_device *cdev, struct irb *irb) { struct irb *cdev_irb; diff --git a/drivers/s390/cio/qdio.c b/drivers/s390/cio/qdio.c index 6fd1940842e..d726cd5777d 100644 --- a/drivers/s390/cio/qdio.c +++ b/drivers/s390/cio/qdio.c @@ -66,7 +66,6 @@ MODULE_LICENSE("GPL"); /******************** HERE WE GO ***********************************/ static const char version[] = "QDIO base support version 2"; -extern struct bus_type ccw_bus_type; static int qdio_performance_stats = 0; static int proc_perf_file_registration; @@ -138,7 +137,7 @@ qdio_release_q(struct qdio_q *q) } /*check ccq */ -static inline int +static int qdio_check_ccq(struct qdio_q *q, unsigned int ccq) { char dbf_text[15]; @@ -153,7 +152,7 @@ qdio_check_ccq(struct qdio_q *q, unsigned int ccq) return -EIO; } /* EQBS: extract buffer states */ -static inline int +static int qdio_do_eqbs(struct qdio_q *q, unsigned char *state, unsigned int *start, unsigned int *cnt) { @@ -188,7 +187,7 @@ again: } /* SQBS: set buffer states */ -static inline int +static int qdio_do_sqbs(struct qdio_q *q, unsigned char state, unsigned int *start, unsigned int *cnt) { @@ -315,7 +314,7 @@ __do_siga_output(struct qdio_q *q, unsigned int *busy_bit) * returns QDIO_SIGA_ERROR_ACCESS_EXCEPTION as cc, when SIGA returns * an access exception */ -static inline int +static int qdio_siga_output(struct qdio_q *q) { int cc; @@ -349,7 +348,7 @@ qdio_siga_output(struct qdio_q *q) return cc; } -static inline int +static int qdio_siga_input(struct qdio_q *q) { int cc; @@ -421,7 +420,7 @@ tiqdio_sched_tl(void) tasklet_hi_schedule(&tiqdio_tasklet); } -static inline void +static void qdio_mark_tiq(struct qdio_q *q) { unsigned long flags; @@ -471,7 +470,7 @@ qdio_mark_q(struct qdio_q *q) tasklet_schedule(&q->tasklet); } -static inline int +static int qdio_stop_polling(struct qdio_q *q) { #ifdef QDIO_USE_PROCESSING_STATE @@ -525,7 +524,7 @@ qdio_stop_polling(struct qdio_q *q) * sophisticated locking outside of unmark_q, so that we don't need to * disable the interrupts :-) */ -static inline void +static void qdio_unmark_q(struct qdio_q *q) { unsigned long flags; @@ -691,7 +690,7 @@ qdio_qebsm_get_inbound_buffer_frontier(struct qdio_q *q) return q->first_to_check; } -static inline int +static int qdio_get_outbound_buffer_frontier(struct qdio_q *q) { struct qdio_irq *irq; @@ -774,7 +773,7 @@ out: } /* all buffers are processed */ -static inline int +static int qdio_is_outbound_q_done(struct qdio_q *q) { int no_used; @@ -796,7 +795,7 @@ qdio_is_outbound_q_done(struct qdio_q *q) return (no_used==0); } -static inline int +static int qdio_has_outbound_q_moved(struct qdio_q *q) { int i; @@ -816,7 +815,7 @@ qdio_has_outbound_q_moved(struct qdio_q *q) } } -static inline void +static void qdio_kick_outbound_q(struct qdio_q *q) { int result; @@ -905,7 +904,7 @@ qdio_kick_outbound_q(struct qdio_q *q) } } -static inline void +static void qdio_kick_outbound_handler(struct qdio_q *q) { int start, end, real_end, count; @@ -942,7 +941,7 @@ qdio_kick_outbound_handler(struct qdio_q *q) q->error_status_flags=0; } -static inline void +static void __qdio_outbound_processing(struct qdio_q *q) { int siga_attempts; @@ -1002,7 +1001,7 @@ qdio_outbound_processing(struct qdio_q *q) /************************* INBOUND ROUTINES *******************************/ -static inline int +static int qdio_get_inbound_buffer_frontier(struct qdio_q *q) { struct qdio_irq *irq; @@ -1133,7 +1132,7 @@ out: return q->first_to_check; } -static inline int +static int qdio_has_inbound_q_moved(struct qdio_q *q) { int i; @@ -1167,7 +1166,7 @@ qdio_has_inbound_q_moved(struct qdio_q *q) } /* means, no more buffers to be filled */ -static inline int +static int tiqdio_is_inbound_q_done(struct qdio_q *q) { int no_used; @@ -1228,7 +1227,7 @@ tiqdio_is_inbound_q_done(struct qdio_q *q) return 0; } -static inline int +static int qdio_is_inbound_q_done(struct qdio_q *q) { int no_used; @@ -1296,7 +1295,7 @@ qdio_is_inbound_q_done(struct qdio_q *q) } } -static inline void +static void qdio_kick_inbound_handler(struct qdio_q *q) { int count, start, end, real_end, i; @@ -1343,7 +1342,7 @@ qdio_kick_inbound_handler(struct qdio_q *q) } } -static inline void +static void __tiqdio_inbound_processing(struct qdio_q *q, int spare_ind_was_set) { struct qdio_irq *irq_ptr; @@ -1442,7 +1441,7 @@ tiqdio_inbound_processing(struct qdio_q *q) __tiqdio_inbound_processing(q, atomic_read(&spare_indicator_usecount)); } -static inline void +static void __qdio_inbound_processing(struct qdio_q *q) { int q_laps=0; @@ -1493,7 +1492,7 @@ qdio_inbound_processing(struct qdio_q *q) /************************* MAIN ROUTINES *******************************/ #ifdef QDIO_USE_PROCESSING_STATE -static inline int +static int tiqdio_reset_processing_state(struct qdio_q *q, int q_laps) { if (!q) { @@ -1545,7 +1544,7 @@ tiqdio_reset_processing_state(struct qdio_q *q, int q_laps) } #endif /* QDIO_USE_PROCESSING_STATE */ -static inline void +static void tiqdio_inbound_checks(void) { struct qdio_q *q; @@ -1949,7 +1948,7 @@ qdio_set_state(struct qdio_irq *irq_ptr, enum qdio_irq_states state) mb(); } -static inline void +static void qdio_irq_check_sense(struct subchannel_id schid, struct irb *irb) { char dbf_text[15]; @@ -1966,7 +1965,7 @@ qdio_irq_check_sense(struct subchannel_id schid, struct irb *irb) } -static inline void +static void qdio_handle_pci(struct qdio_irq *irq_ptr) { int i; @@ -2002,7 +2001,7 @@ qdio_handle_pci(struct qdio_irq *irq_ptr) static void qdio_establish_handle_irq(struct ccw_device*, int, int); -static inline void +static void qdio_handle_activate_check(struct ccw_device *cdev, unsigned long intparm, int cstat, int dstat) { @@ -2229,7 +2228,7 @@ qdio_synchronize(struct ccw_device *cdev, unsigned int flags, return cc; } -static inline void +static void qdio_check_subchannel_qebsm(struct qdio_irq *irq_ptr, unsigned char qdioac, unsigned long token) { @@ -2740,7 +2739,7 @@ qdio_free(struct ccw_device *cdev) return 0; } -static inline void +static void qdio_allocate_do_dbf(struct qdio_initialize *init_data) { char dbf_text[20]; /* if a printf printed out more than 8 chars */ @@ -2773,7 +2772,7 @@ qdio_allocate_do_dbf(struct qdio_initialize *init_data) QDIO_DBF_HEX0(0,setup,&init_data->output_sbal_addr_array,sizeof(void*)); } -static inline void +static void qdio_allocate_fill_input_desc(struct qdio_irq *irq_ptr, int i, int iqfmt) { irq_ptr->input_qs[i]->is_iqdio_q = iqfmt; @@ -2792,7 +2791,7 @@ qdio_allocate_fill_input_desc(struct qdio_irq *irq_ptr, int i, int iqfmt) irq_ptr->qdr->qdf0[i].dkey=QDIO_STORAGE_KEY; } -static inline void +static void qdio_allocate_fill_output_desc(struct qdio_irq *irq_ptr, int i, int j, int iqfmt) { @@ -2813,7 +2812,7 @@ qdio_allocate_fill_output_desc(struct qdio_irq *irq_ptr, int i, } -static inline void +static void qdio_initialize_set_siga_flags_input(struct qdio_irq *irq_ptr) { int i; @@ -2839,7 +2838,7 @@ qdio_initialize_set_siga_flags_input(struct qdio_irq *irq_ptr) } } -static inline void +static void qdio_initialize_set_siga_flags_output(struct qdio_irq *irq_ptr) { int i; @@ -2865,7 +2864,7 @@ qdio_initialize_set_siga_flags_output(struct qdio_irq *irq_ptr) } } -static inline int +static int qdio_establish_irq_check_for_errors(struct ccw_device *cdev, int cstat, int dstat) { @@ -3014,7 +3013,7 @@ qdio_allocate(struct qdio_initialize *init_data) return 0; } -int qdio_fill_irq(struct qdio_initialize *init_data) +static int qdio_fill_irq(struct qdio_initialize *init_data) { int i; char dbf_text[15]; @@ -3367,7 +3366,7 @@ qdio_activate(struct ccw_device *cdev, int flags) } /* buffers filled forwards again to make Rick happy */ -static inline void +static void qdio_do_qdio_fill_input(struct qdio_q *q, unsigned int qidx, unsigned int count, struct qdio_buffer *buffers) { @@ -3386,7 +3385,7 @@ qdio_do_qdio_fill_input(struct qdio_q *q, unsigned int qidx, } } -static inline void +static void qdio_do_qdio_fill_output(struct qdio_q *q, unsigned int qidx, unsigned int count, struct qdio_buffer *buffers) { @@ -3407,7 +3406,7 @@ qdio_do_qdio_fill_output(struct qdio_q *q, unsigned int qidx, } } -static inline void +static void do_qdio_handle_inbound(struct qdio_q *q, unsigned int callflags, unsigned int qidx, unsigned int count, struct qdio_buffer *buffers) @@ -3443,7 +3442,7 @@ do_qdio_handle_inbound(struct qdio_q *q, unsigned int callflags, qdio_mark_q(q); } -static inline void +static void do_qdio_handle_outbound(struct qdio_q *q, unsigned int callflags, unsigned int qidx, unsigned int count, struct qdio_buffer *buffers) diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c index 81b5899f401..c7d1355237b 100644 --- a/drivers/s390/crypto/ap_bus.c +++ b/drivers/s390/crypto/ap_bus.c @@ -465,7 +465,7 @@ static int ap_device_probe(struct device *dev) * Flush all requests from the request/pending queue of an AP device. * @ap_dev: pointer to the AP device. */ -static inline void __ap_flush_queue(struct ap_device *ap_dev) +static void __ap_flush_queue(struct ap_device *ap_dev) { struct ap_message *ap_msg, *next; @@ -587,7 +587,7 @@ static struct bus_attribute *const ap_bus_attrs[] = { /** * Pick one of the 16 ap domains. */ -static inline int ap_select_domain(void) +static int ap_select_domain(void) { int queue_depth, device_type, count, max_count, best_domain; int rc, i, j; @@ -825,7 +825,7 @@ static inline void ap_schedule_poll_timer(void) * required, bit 2^1 is set if the poll timer needs to get armed * Returns 0 if the device is still present, -ENODEV if not. */ -static inline int ap_poll_read(struct ap_device *ap_dev, unsigned long *flags) +static int ap_poll_read(struct ap_device *ap_dev, unsigned long *flags) { struct ap_queue_status status; struct ap_message *ap_msg; @@ -872,7 +872,7 @@ static inline int ap_poll_read(struct ap_device *ap_dev, unsigned long *flags) * required, bit 2^1 is set if the poll timer needs to get armed * Returns 0 if the device is still present, -ENODEV if not. */ -static inline int ap_poll_write(struct ap_device *ap_dev, unsigned long *flags) +static int ap_poll_write(struct ap_device *ap_dev, unsigned long *flags) { struct ap_queue_status status; struct ap_message *ap_msg; diff --git a/drivers/s390/crypto/zcrypt_api.c b/drivers/s390/crypto/zcrypt_api.c index 1edc10a7a6f..b9e59bc9435 100644 --- a/drivers/s390/crypto/zcrypt_api.c +++ b/drivers/s390/crypto/zcrypt_api.c @@ -791,7 +791,7 @@ static long trans_xcRB32(struct file *filp, unsigned int cmd, return rc; } -long zcrypt_compat_ioctl(struct file *filp, unsigned int cmd, +static long zcrypt_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) { if (cmd == ICARSAMODEXPO) @@ -833,8 +833,8 @@ static struct miscdevice zcrypt_misc_device = { */ static struct proc_dir_entry *zcrypt_entry; -static inline int sprintcl(unsigned char *outaddr, unsigned char *addr, - unsigned int len) +static int sprintcl(unsigned char *outaddr, unsigned char *addr, + unsigned int len) { int hl, i; @@ -845,8 +845,8 @@ static inline int sprintcl(unsigned char *outaddr, unsigned char *addr, return hl; } -static inline int sprintrw(unsigned char *outaddr, unsigned char *addr, - unsigned int len) +static int sprintrw(unsigned char *outaddr, unsigned char *addr, + unsigned int len) { int hl, inl, c, cx; @@ -865,8 +865,8 @@ static inline int sprintrw(unsigned char *outaddr, unsigned char *addr, return hl; } -static inline int sprinthx(unsigned char *title, unsigned char *outaddr, - unsigned char *addr, unsigned int len) +static int sprinthx(unsigned char *title, unsigned char *outaddr, + unsigned char *addr, unsigned int len) { int hl, inl, r, rx; @@ -885,8 +885,8 @@ static inline int sprinthx(unsigned char *title, unsigned char *outaddr, return hl; } -static inline int sprinthx4(unsigned char *title, unsigned char *outaddr, - unsigned int *array, unsigned int len) +static int sprinthx4(unsigned char *title, unsigned char *outaddr, + unsigned int *array, unsigned int len) { int hl, r; @@ -943,7 +943,7 @@ static int zcrypt_status_read(char *resp_buff, char **start, off_t offset, zcrypt_qdepth_mask(workarea); len += sprinthx("Waiting work element counts", resp_buff+len, workarea, AP_DEVICES); - zcrypt_perdev_reqcnt((unsigned int *) workarea); + zcrypt_perdev_reqcnt((int *) workarea); len += sprinthx4("Per-device successfully completed request counts", resp_buff+len,(unsigned int *) workarea, AP_DEVICES); *eof = 1; diff --git a/drivers/s390/crypto/zcrypt_pcica.c b/drivers/s390/crypto/zcrypt_pcica.c index 32e37014345..818ffe05ac0 100644 --- a/drivers/s390/crypto/zcrypt_pcica.c +++ b/drivers/s390/crypto/zcrypt_pcica.c @@ -191,10 +191,10 @@ static int ICACRT_msg_to_type4CRT_msg(struct zcrypt_device *zdev, * * Returns 0 on success or -EFAULT. */ -static inline int convert_type84(struct zcrypt_device *zdev, - struct ap_message *reply, - char __user *outputdata, - unsigned int outputdatalength) +static int convert_type84(struct zcrypt_device *zdev, + struct ap_message *reply, + char __user *outputdata, + unsigned int outputdatalength) { struct type84_hdr *t84h = reply->message; char *data; diff --git a/drivers/s390/crypto/zcrypt_pcixcc.c b/drivers/s390/crypto/zcrypt_pcixcc.c index b7153c1e15c..252443b6bd1 100644 --- a/drivers/s390/crypto/zcrypt_pcixcc.c +++ b/drivers/s390/crypto/zcrypt_pcixcc.c @@ -709,7 +709,8 @@ out_free: * PCIXCC/CEX2C device to the request distributor * @xcRB: pointer to the send_cprb request buffer */ -long zcrypt_pcixcc_send_cprb(struct zcrypt_device *zdev, struct ica_xcRB *xcRB) +static long zcrypt_pcixcc_send_cprb(struct zcrypt_device *zdev, + struct ica_xcRB *xcRB) { struct ap_message ap_msg; struct response_type resp_type = { diff --git a/drivers/s390/net/claw.c b/drivers/s390/net/claw.c index 95f4e105cb9..7809a79feec 100644 --- a/drivers/s390/net/claw.c +++ b/drivers/s390/net/claw.c @@ -121,7 +121,7 @@ MODULE_LICENSE("GPL"); #define DEBUG #endif - char debug_buffer[255]; +static char debug_buffer[255]; /** * Debug Facility Stuff */ @@ -223,16 +223,14 @@ static void claw_timer ( struct chbk * p_ch ); /* Functions */ static int add_claw_reads(struct net_device *dev, struct ccwbk* p_first, struct ccwbk* p_last); -static void inline ccw_check_return_code (struct ccw_device *cdev, - int return_code); -static void inline ccw_check_unit_check (struct chbk * p_ch, - unsigned char sense ); +static void ccw_check_return_code (struct ccw_device *cdev, int return_code); +static void ccw_check_unit_check (struct chbk * p_ch, unsigned char sense ); static int find_link(struct net_device *dev, char *host_name, char *ws_name ); static int claw_hw_tx(struct sk_buff *skb, struct net_device *dev, long linkid); static int init_ccw_bk(struct net_device *dev); static void probe_error( struct ccwgroup_device *cgdev); static struct net_device_stats *claw_stats(struct net_device *dev); -static int inline pages_to_order_of_mag(int num_of_pages); +static int pages_to_order_of_mag(int num_of_pages); static struct sk_buff *claw_pack_skb(struct claw_privbk *privptr); #ifdef DEBUG static void dumpit (char *buf, int len); @@ -1310,7 +1308,7 @@ claw_timer ( struct chbk * p_ch ) * of magnitude get_free_pages() has an upper order of 9 * *--------------------------------------------------------------------*/ -static int inline +static int pages_to_order_of_mag(int num_of_pages) { int order_of_mag=1; /* assume 2 pages */ @@ -1482,7 +1480,7 @@ add_claw_reads(struct net_device *dev, struct ccwbk* p_first, * * *-------------------------------------------------------------------*/ -static void inline +static void ccw_check_return_code(struct ccw_device *cdev, int return_code) { #ifdef FUNCTRACE @@ -1529,7 +1527,7 @@ ccw_check_return_code(struct ccw_device *cdev, int return_code) * ccw_check_unit_check * *--------------------------------------------------------------------*/ -static void inline +static void ccw_check_unit_check(struct chbk * p_ch, unsigned char sense ) { struct net_device *dev = p_ch->ndev; diff --git a/drivers/s390/net/ctcmain.c b/drivers/s390/net/ctcmain.c index 03cc263fe0d..5a84fbbc661 100644 --- a/drivers/s390/net/ctcmain.c +++ b/drivers/s390/net/ctcmain.c @@ -369,7 +369,7 @@ ctc_dump_skb(struct sk_buff *skb, int offset) * @param ch The channel where this skb has been received. * @param pskb The received skb. */ -static __inline__ void +static void ctc_unpack_skb(struct channel *ch, struct sk_buff *pskb) { struct net_device *dev = ch->netdev; @@ -512,7 +512,7 @@ ctc_unpack_skb(struct channel *ch, struct sk_buff *pskb) * @param ch The channel, the error belongs to. * @param return_code The error code to inspect. */ -static void inline +static void ccw_check_return_code(struct channel *ch, int return_code, char *msg) { DBF_TEXT(trace, 5, __FUNCTION__); @@ -547,7 +547,7 @@ ccw_check_return_code(struct channel *ch, int return_code, char *msg) * @param ch The channel, the sense code belongs to. * @param sense The sense code to inspect. */ -static void inline +static void ccw_unit_check(struct channel *ch, unsigned char sense) { DBF_TEXT(trace, 5, __FUNCTION__); @@ -603,7 +603,7 @@ ctc_purge_skb_queue(struct sk_buff_head *q) } } -static __inline__ int +static int ctc_checkalloc_buffer(struct channel *ch, int warn) { DBF_TEXT(trace, 5, __FUNCTION__); diff --git a/drivers/s390/net/cu3088.c b/drivers/s390/net/cu3088.c index e965f03a729..76728ae4b84 100644 --- a/drivers/s390/net/cu3088.c +++ b/drivers/s390/net/cu3088.c @@ -57,7 +57,7 @@ static struct ccw_device_id cu3088_ids[] = { static struct ccw_driver cu3088_driver; -struct device *cu3088_root_dev; +static struct device *cu3088_root_dev; static ssize_t group_write(struct device_driver *drv, const char *buf, size_t count) diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c index e5665b6743a..b97dd15bdb9 100644 --- a/drivers/s390/net/lcs.c +++ b/drivers/s390/net/lcs.c @@ -828,7 +828,7 @@ lcs_notify_lancmd_waiters(struct lcs_card *card, struct lcs_cmd *cmd) /** * Emit buffer of a lan comand. */ -void +static void lcs_lancmd_timeout(unsigned long data) { struct lcs_reply *reply, *list_reply, *r; @@ -1360,7 +1360,7 @@ lcs_get_problem(struct ccw_device *cdev, struct irb *irb) return 0; } -void +static void lcs_schedule_recovery(struct lcs_card *card) { LCS_DBF_TEXT(2, trace, "startrec"); @@ -1990,7 +1990,7 @@ lcs_timeout_store (struct device *dev, struct device_attribute *attr, const char } -DEVICE_ATTR(lancmd_timeout, 0644, lcs_timeout_show, lcs_timeout_store); +static DEVICE_ATTR(lancmd_timeout, 0644, lcs_timeout_show, lcs_timeout_store); static ssize_t lcs_dev_recover_store(struct device *dev, struct device_attribute *attr, diff --git a/drivers/s390/net/netiucv.c b/drivers/s390/net/netiucv.c index d7d1cc0a5c8..3346088f47e 100644 --- a/drivers/s390/net/netiucv.c +++ b/drivers/s390/net/netiucv.c @@ -2053,7 +2053,7 @@ out_free_ndev: return ret; } -DRIVER_ATTR(connection, 0200, NULL, conn_write); +static DRIVER_ATTR(connection, 0200, NULL, conn_write); static ssize_t remove_write (struct device_driver *drv, const char *buf, size_t count) @@ -2112,7 +2112,7 @@ remove_write (struct device_driver *drv, const char *buf, size_t count) return -EINVAL; } -DRIVER_ATTR(remove, 0200, NULL, remove_write); +static DRIVER_ATTR(remove, 0200, NULL, remove_write); static void netiucv_banner(void) diff --git a/drivers/s390/net/qeth_eddp.c b/drivers/s390/net/qeth_eddp.c index 6bb558a9a03..7c735e1fe06 100644 --- a/drivers/s390/net/qeth_eddp.c +++ b/drivers/s390/net/qeth_eddp.c @@ -49,7 +49,7 @@ qeth_eddp_check_buffers_for_context(struct qeth_qdio_out_q *queue, return buffers_needed; } -static inline void +static void qeth_eddp_free_context(struct qeth_eddp_context *ctx) { int i; @@ -91,7 +91,7 @@ qeth_eddp_buf_release_contexts(struct qeth_qdio_out_buffer *buf) } } -static inline int +static int qeth_eddp_buf_ref_context(struct qeth_qdio_out_buffer *buf, struct qeth_eddp_context *ctx) { @@ -196,7 +196,7 @@ out: return flush_cnt; } -static inline void +static void qeth_eddp_create_segment_hdrs(struct qeth_eddp_context *ctx, struct qeth_eddp_data *eddp, int data_len) { @@ -256,7 +256,7 @@ qeth_eddp_create_segment_hdrs(struct qeth_eddp_context *ctx, ctx->offset += eddp->thl; } -static inline void +static void qeth_eddp_copy_data_tcp(char *dst, struct qeth_eddp_data *eddp, int len, __wsum *hcsum) { @@ -302,7 +302,7 @@ qeth_eddp_copy_data_tcp(char *dst, struct qeth_eddp_data *eddp, int len, } } -static inline void +static void qeth_eddp_create_segment_data_tcp(struct qeth_eddp_context *ctx, struct qeth_eddp_data *eddp, int data_len, __wsum hcsum) @@ -349,7 +349,7 @@ qeth_eddp_create_segment_data_tcp(struct qeth_eddp_context *ctx, ((struct tcphdr *)eddp->th_in_ctx)->check = csum_fold(hcsum); } -static inline __wsum +static __wsum qeth_eddp_check_tcp4_hdr(struct qeth_eddp_data *eddp, int data_len) { __wsum phcsum; /* pseudo header checksum */ @@ -363,7 +363,7 @@ qeth_eddp_check_tcp4_hdr(struct qeth_eddp_data *eddp, int data_len) return csum_partial((u8 *)&eddp->th, eddp->thl, phcsum); } -static inline __wsum +static __wsum qeth_eddp_check_tcp6_hdr(struct qeth_eddp_data *eddp, int data_len) { __be32 proto; @@ -381,7 +381,7 @@ qeth_eddp_check_tcp6_hdr(struct qeth_eddp_data *eddp, int data_len) return phcsum; } -static inline struct qeth_eddp_data * +static struct qeth_eddp_data * qeth_eddp_create_eddp_data(struct qeth_hdr *qh, u8 *nh, u8 nhl, u8 *th, u8 thl) { struct qeth_eddp_data *eddp; @@ -399,7 +399,7 @@ qeth_eddp_create_eddp_data(struct qeth_hdr *qh, u8 *nh, u8 nhl, u8 *th, u8 thl) return eddp; } -static inline void +static void __qeth_eddp_fill_context_tcp(struct qeth_eddp_context *ctx, struct qeth_eddp_data *eddp) { @@ -464,7 +464,7 @@ __qeth_eddp_fill_context_tcp(struct qeth_eddp_context *ctx, } } -static inline int +static int qeth_eddp_fill_context_tcp(struct qeth_eddp_context *ctx, struct sk_buff *skb, struct qeth_hdr *qhdr) { @@ -505,7 +505,7 @@ qeth_eddp_fill_context_tcp(struct qeth_eddp_context *ctx, return 0; } -static inline void +static void qeth_eddp_calc_num_pages(struct qeth_eddp_context *ctx, struct sk_buff *skb, int hdr_len) { @@ -529,7 +529,7 @@ qeth_eddp_calc_num_pages(struct qeth_eddp_context *ctx, struct sk_buff *skb, (skb_shinfo(skb)->gso_segs + 1); } -static inline struct qeth_eddp_context * +static struct qeth_eddp_context * qeth_eddp_create_context_generic(struct qeth_card *card, struct sk_buff *skb, int hdr_len) { @@ -581,7 +581,7 @@ qeth_eddp_create_context_generic(struct qeth_card *card, struct sk_buff *skb, return ctx; } -static inline struct qeth_eddp_context * +static struct qeth_eddp_context * qeth_eddp_create_context_tcp(struct qeth_card *card, struct sk_buff *skb, struct qeth_hdr *qhdr) { @@ -625,5 +625,3 @@ qeth_eddp_create_context(struct qeth_card *card, struct sk_buff *skb, } return NULL; } - - diff --git a/drivers/s390/net/qeth_main.c b/drivers/s390/net/qeth_main.c index d2efa5ff125..2257e45594b 100644 --- a/drivers/s390/net/qeth_main.c +++ b/drivers/s390/net/qeth_main.c @@ -651,7 +651,7 @@ __qeth_ref_ip_on_card(struct qeth_card *card, struct qeth_ipaddr *todo, return 0; } -static inline int +static int __qeth_address_exists_in_list(struct list_head *list, struct qeth_ipaddr *addr, int same_type) { @@ -795,7 +795,7 @@ qeth_add_ip(struct qeth_card *card, struct qeth_ipaddr *addr) return rc; } -static inline void +static void __qeth_delete_all_mc(struct qeth_card *card, unsigned long *flags) { struct qeth_ipaddr *addr, *tmp; @@ -882,7 +882,7 @@ static void qeth_layer2_add_multicast(struct qeth_card *); static void qeth_add_multicast_ipv6(struct qeth_card *); #endif -static inline int +static int qeth_set_thread_start_bit(struct qeth_card *card, unsigned long thread) { unsigned long flags; @@ -920,7 +920,7 @@ qeth_clear_thread_running_bit(struct qeth_card *card, unsigned long thread) wake_up(&card->wait_q); } -static inline int +static int __qeth_do_run_thread(struct qeth_card *card, unsigned long thread) { unsigned long flags; @@ -1764,9 +1764,9 @@ out: qeth_release_buffer(channel,iob); } -static inline void +static void qeth_prepare_control_data(struct qeth_card *card, int len, -struct qeth_cmd_buffer *iob) + struct qeth_cmd_buffer *iob) { qeth_setup_ccw(&card->write,iob->data,len); iob->callback = qeth_release_buffer; @@ -2160,7 +2160,7 @@ qeth_check_qdio_errors(struct qdio_buffer *buf, unsigned int qdio_error, return 0; } -static inline struct sk_buff * +static struct sk_buff * qeth_get_skb(unsigned int length, struct qeth_hdr *hdr) { struct sk_buff* skb; @@ -2179,7 +2179,7 @@ qeth_get_skb(unsigned int length, struct qeth_hdr *hdr) return skb; } -static inline struct sk_buff * +static struct sk_buff * qeth_get_next_skb(struct qeth_card *card, struct qdio_buffer *buffer, struct qdio_buffer_element **__element, int *__offset, struct qeth_hdr **hdr) @@ -2264,7 +2264,7 @@ no_mem: return NULL; } -static inline __be16 +static __be16 qeth_type_trans(struct sk_buff *skb, struct net_device *dev) { struct qeth_card *card; @@ -2297,7 +2297,7 @@ qeth_type_trans(struct sk_buff *skb, struct net_device *dev) return htons(ETH_P_802_2); } -static inline void +static void qeth_rebuild_skb_fake_ll_tr(struct qeth_card *card, struct sk_buff *skb, struct qeth_hdr *hdr) { @@ -2351,7 +2351,7 @@ qeth_rebuild_skb_fake_ll_tr(struct qeth_card *card, struct sk_buff *skb, fake_llc->ethertype = ETH_P_IP; } -static inline void +static void qeth_rebuild_skb_fake_ll_eth(struct qeth_card *card, struct sk_buff *skb, struct qeth_hdr *hdr) { @@ -2420,7 +2420,7 @@ qeth_layer2_rebuild_skb(struct qeth_card *card, struct sk_buff *skb, *((__u32 *)skb->cb) = ++card->seqno.pkt_seqno; } -static inline __u16 +static __u16 qeth_rebuild_skb(struct qeth_card *card, struct sk_buff *skb, struct qeth_hdr *hdr) { @@ -2476,7 +2476,7 @@ qeth_rebuild_skb(struct qeth_card *card, struct sk_buff *skb, return vlan_id; } -static inline void +static void qeth_process_inbound_buffer(struct qeth_card *card, struct qeth_qdio_buffer *buf, int index) { @@ -2528,7 +2528,7 @@ qeth_process_inbound_buffer(struct qeth_card *card, } } -static inline struct qeth_buffer_pool_entry * +static struct qeth_buffer_pool_entry * qeth_get_buffer_pool_entry(struct qeth_card *card) { struct qeth_buffer_pool_entry *entry; @@ -2543,7 +2543,7 @@ qeth_get_buffer_pool_entry(struct qeth_card *card) return NULL; } -static inline void +static void qeth_init_input_buffer(struct qeth_card *card, struct qeth_qdio_buffer *buf) { struct qeth_buffer_pool_entry *pool_entry; @@ -2570,7 +2570,7 @@ qeth_init_input_buffer(struct qeth_card *card, struct qeth_qdio_buffer *buf) buf->state = QETH_QDIO_BUF_EMPTY; } -static inline void +static void qeth_clear_output_buffer(struct qeth_qdio_out_q *queue, struct qeth_qdio_out_buffer *buf) { @@ -2595,7 +2595,7 @@ qeth_clear_output_buffer(struct qeth_qdio_out_q *queue, atomic_set(&buf->state, QETH_QDIO_BUF_EMPTY); } -static inline void +static void qeth_queue_input_buffer(struct qeth_card *card, int index) { struct qeth_qdio_q *queue = card->qdio.in_q; @@ -2699,7 +2699,7 @@ qeth_qdio_input_handler(struct ccw_device * ccwdev, unsigned int status, card->perf_stats.inbound_start_time; } -static inline int +static int qeth_handle_send_error(struct qeth_card *card, struct qeth_qdio_out_buffer *buffer, unsigned int qdio_err, unsigned int siga_err) @@ -2821,7 +2821,7 @@ qeth_flush_buffers(struct qeth_qdio_out_q *queue, int under_int, * Switched to packing state if the number of used buffers on a queue * reaches a certain limit. */ -static inline void +static void qeth_switch_to_packing_if_needed(struct qeth_qdio_out_q *queue) { if (!queue->do_pack) { @@ -2842,7 +2842,7 @@ qeth_switch_to_packing_if_needed(struct qeth_qdio_out_q *queue) * In that case 1 is returned to inform the caller. If no buffer * has to be flushed, zero is returned. */ -static inline int +static int qeth_switch_to_nonpacking_if_needed(struct qeth_qdio_out_q *queue) { struct qeth_qdio_out_buffer *buffer; @@ -2877,7 +2877,7 @@ qeth_switch_to_nonpacking_if_needed(struct qeth_qdio_out_q *queue) * Checks if there is a packing buffer and prepares it to be flushed. * In that case returns 1, otherwise zero. */ -static inline int +static int qeth_flush_buffers_on_no_pci(struct qeth_qdio_out_q *queue) { struct qeth_qdio_out_buffer *buffer; @@ -2894,7 +2894,7 @@ qeth_flush_buffers_on_no_pci(struct qeth_qdio_out_q *queue) return 0; } -static inline void +static void qeth_check_outbound_queue(struct qeth_qdio_out_q *queue) { int index; @@ -3594,7 +3594,7 @@ qeth_fake_header(struct sk_buff *skb, struct net_device *dev, } } -static inline int +static int qeth_send_packet(struct qeth_card *, struct sk_buff *); static int @@ -3759,7 +3759,7 @@ qeth_stop(struct net_device *dev) return 0; } -static inline int +static int qeth_get_cast_type(struct qeth_card *card, struct sk_buff *skb) { int cast_type = RTN_UNSPEC; @@ -3806,7 +3806,7 @@ qeth_get_cast_type(struct qeth_card *card, struct sk_buff *skb) return cast_type; } -static inline int +static int qeth_get_priority_queue(struct qeth_card *card, struct sk_buff *skb, int ipv, int cast_type) { @@ -3853,7 +3853,7 @@ qeth_get_ip_version(struct sk_buff *skb) } } -static inline struct qeth_hdr * +static struct qeth_hdr * __qeth_prepare_skb(struct qeth_card *card, struct sk_buff *skb, int ipv) { #ifdef CONFIG_QETH_VLAN @@ -3882,14 +3882,14 @@ __qeth_prepare_skb(struct qeth_card *card, struct sk_buff *skb, int ipv) qeth_push_skb(card, skb, sizeof(struct qeth_hdr))); } -static inline void +static void __qeth_free_new_skb(struct sk_buff *orig_skb, struct sk_buff *new_skb) { if (orig_skb != new_skb) dev_kfree_skb_any(new_skb); } -static inline struct sk_buff * +static struct sk_buff * qeth_prepare_skb(struct qeth_card *card, struct sk_buff *skb, struct qeth_hdr **hdr, int ipv) { @@ -3940,7 +3940,7 @@ qeth_get_qeth_hdr_flags6(int cast_type) return ct | QETH_CAST_UNICAST; } -static inline void +static void qeth_layer2_get_packet_type(struct qeth_card *card, struct qeth_hdr *hdr, struct sk_buff *skb) { @@ -3977,7 +3977,7 @@ qeth_layer2_get_packet_type(struct qeth_card *card, struct qeth_hdr *hdr, } } -static inline void +static void qeth_layer2_fill_header(struct qeth_card *card, struct qeth_hdr *hdr, struct sk_buff *skb, int cast_type) { @@ -4068,7 +4068,7 @@ qeth_fill_header(struct qeth_card *card, struct qeth_hdr *hdr, } } -static inline void +static void __qeth_fill_buffer(struct sk_buff *skb, struct qdio_buffer *buffer, int is_tso, int *next_element_to_fill) { @@ -4112,7 +4112,7 @@ __qeth_fill_buffer(struct sk_buff *skb, struct qdio_buffer *buffer, *next_element_to_fill = element; } -static inline int +static int qeth_fill_buffer(struct qeth_qdio_out_q *queue, struct qeth_qdio_out_buffer *buf, struct sk_buff *skb) @@ -4171,7 +4171,7 @@ qeth_fill_buffer(struct qeth_qdio_out_q *queue, return flush_cnt; } -static inline int +static int qeth_do_send_packet_fast(struct qeth_card *card, struct qeth_qdio_out_q *queue, struct sk_buff *skb, struct qeth_hdr *hdr, int elements_needed, @@ -4222,7 +4222,7 @@ out: return -EBUSY; } -static inline int +static int qeth_do_send_packet(struct qeth_card *card, struct qeth_qdio_out_q *queue, struct sk_buff *skb, struct qeth_hdr *hdr, int elements_needed, struct qeth_eddp_context *ctx) @@ -4328,7 +4328,7 @@ out: return rc; } -static inline int +static int qeth_get_elements_no(struct qeth_card *card, void *hdr, struct sk_buff *skb, int elems) { @@ -4349,7 +4349,7 @@ qeth_get_elements_no(struct qeth_card *card, void *hdr, } -static inline int +static int qeth_send_packet(struct qeth_card *card, struct sk_buff *skb) { int ipv = 0; @@ -4536,7 +4536,7 @@ qeth_mdio_read(struct net_device *dev, int phy_id, int regnum) } -static inline const char * +static const char * qeth_arp_get_error_cause(int *rc) { switch (*rc) { @@ -4597,7 +4597,7 @@ qeth_arp_set_no_entries(struct qeth_card *card, int no_entries) return rc; } -static inline void +static void qeth_copy_arp_entries_stripped(struct qeth_arp_query_info *qinfo, struct qeth_arp_query_data *qdata, int entry_size, int uentry_size) @@ -5214,7 +5214,7 @@ qeth_vlan_rx_register(struct net_device *dev, struct vlan_group *grp) spin_unlock_irqrestore(&card->vlanlock, flags); } -static inline void +static void qeth_free_vlan_buffer(struct qeth_card *card, struct qeth_qdio_out_buffer *buf, unsigned short vid) { @@ -5625,7 +5625,7 @@ qeth_delete_mc_addresses(struct qeth_card *card) spin_unlock_irqrestore(&card->ip_lock, flags); } -static inline void +static void qeth_add_mc(struct qeth_card *card, struct in_device *in4_dev) { struct qeth_ipaddr *ipm; @@ -5711,7 +5711,7 @@ qeth_layer2_add_multicast(struct qeth_card *card) } #ifdef CONFIG_QETH_IPV6 -static inline void +static void qeth_add_mc6(struct qeth_card *card, struct inet6_dev *in6_dev) { struct qeth_ipaddr *ipm; @@ -6022,7 +6022,7 @@ qeth_send_setdelmc(struct qeth_card *card, struct qeth_ipaddr *addr, int ipacmd) return rc; } -static inline void +static void qeth_fill_netmask(u8 *netmask, unsigned int len) { int i,j; @@ -6626,7 +6626,7 @@ qeth_send_setadp_mode(struct qeth_card *card, __u32 command, __u32 mode) return rc; } -static inline int +static int qeth_setadapter_hstr(struct qeth_card *card) { int rc; @@ -6889,7 +6889,7 @@ qeth_send_simple_setassparms(struct qeth_card *card, return rc; } -static inline int +static int qeth_start_ipa_arp_processing(struct qeth_card *card) { int rc; @@ -7529,7 +7529,7 @@ qeth_set_allowed_threads(struct qeth_card *card, unsigned long threads, wake_up(&card->wait_q); } -static inline int +static int qeth_threads_running(struct qeth_card *card, unsigned long threads) { unsigned long flags; @@ -8118,7 +8118,7 @@ qeth_del_ipato_entry(struct qeth_card *card, enum qeth_prot_versions proto, spin_unlock_irqrestore(&card->ip_lock, flags); } -static inline void +static void qeth_convert_addr_to_bits(u8 *addr, u8 *bits, int len) { int i, j; diff --git a/drivers/s390/net/qeth_sys.c b/drivers/s390/net/qeth_sys.c index 5836737ac58..d518419cd0c 100644 --- a/drivers/s390/net/qeth_sys.c +++ b/drivers/s390/net/qeth_sys.c @@ -328,7 +328,7 @@ qeth_dev_bufcnt_store(struct device *dev, struct device_attribute *attr, const c static DEVICE_ATTR(buffer_count, 0644, qeth_dev_bufcnt_show, qeth_dev_bufcnt_store); -static inline ssize_t +static ssize_t qeth_dev_route_show(struct qeth_card *card, struct qeth_routing_info *route, char *buf) { @@ -368,7 +368,7 @@ qeth_dev_route4_show(struct device *dev, struct device_attribute *attr, char *bu return qeth_dev_route_show(card, &card->options.route4, buf); } -static inline ssize_t +static ssize_t qeth_dev_route_store(struct qeth_card *card, struct qeth_routing_info *route, enum qeth_prot_versions prot, const char *buf, size_t count) { @@ -998,7 +998,7 @@ struct device_attribute dev_attr_##_id = { \ .store = _store, \ }; -int +static int qeth_check_layer2(struct qeth_card *card) { if (card->options.layer2) @@ -1100,7 +1100,7 @@ static QETH_DEVICE_ATTR(ipato_invert4, invert4, 0644, qeth_dev_ipato_invert4_show, qeth_dev_ipato_invert4_store); -static inline ssize_t +static ssize_t qeth_dev_ipato_add_show(char *buf, struct qeth_card *card, enum qeth_prot_versions proto) { @@ -1146,7 +1146,7 @@ qeth_dev_ipato_add4_show(struct device *dev, struct device_attribute *attr, char return qeth_dev_ipato_add_show(buf, card, QETH_PROT_IPV4); } -static inline int +static int qeth_parse_ipatoe(const char* buf, enum qeth_prot_versions proto, u8 *addr, int *mask_bits) { @@ -1178,7 +1178,7 @@ qeth_parse_ipatoe(const char* buf, enum qeth_prot_versions proto, return 0; } -static inline ssize_t +static ssize_t qeth_dev_ipato_add_store(const char *buf, size_t count, struct qeth_card *card, enum qeth_prot_versions proto) { @@ -1223,7 +1223,7 @@ static QETH_DEVICE_ATTR(ipato_add4, add4, 0644, qeth_dev_ipato_add4_show, qeth_dev_ipato_add4_store); -static inline ssize_t +static ssize_t qeth_dev_ipato_del_store(const char *buf, size_t count, struct qeth_card *card, enum qeth_prot_versions proto) { @@ -1361,7 +1361,7 @@ static struct attribute_group qeth_device_ipato_group = { .attrs = (struct attribute **)qeth_ipato_device_attrs, }; -static inline ssize_t +static ssize_t qeth_dev_vipa_add_show(char *buf, struct qeth_card *card, enum qeth_prot_versions proto) { @@ -1407,7 +1407,7 @@ qeth_dev_vipa_add4_show(struct device *dev, struct device_attribute *attr, char return qeth_dev_vipa_add_show(buf, card, QETH_PROT_IPV4); } -static inline int +static int qeth_parse_vipae(const char* buf, enum qeth_prot_versions proto, u8 *addr) { @@ -1418,7 +1418,7 @@ qeth_parse_vipae(const char* buf, enum qeth_prot_versions proto, return 0; } -static inline ssize_t +static ssize_t qeth_dev_vipa_add_store(const char *buf, size_t count, struct qeth_card *card, enum qeth_prot_versions proto) { @@ -1451,7 +1451,7 @@ static QETH_DEVICE_ATTR(vipa_add4, add4, 0644, qeth_dev_vipa_add4_show, qeth_dev_vipa_add4_store); -static inline ssize_t +static ssize_t qeth_dev_vipa_del_store(const char *buf, size_t count, struct qeth_card *card, enum qeth_prot_versions proto) { @@ -1542,7 +1542,7 @@ static struct attribute_group qeth_device_vipa_group = { .attrs = (struct attribute **)qeth_vipa_device_attrs, }; -static inline ssize_t +static ssize_t qeth_dev_rxip_add_show(char *buf, struct qeth_card *card, enum qeth_prot_versions proto) { @@ -1588,7 +1588,7 @@ qeth_dev_rxip_add4_show(struct device *dev, struct device_attribute *attr, char return qeth_dev_rxip_add_show(buf, card, QETH_PROT_IPV4); } -static inline int +static int qeth_parse_rxipe(const char* buf, enum qeth_prot_versions proto, u8 *addr) { @@ -1599,7 +1599,7 @@ qeth_parse_rxipe(const char* buf, enum qeth_prot_versions proto, return 0; } -static inline ssize_t +static ssize_t qeth_dev_rxip_add_store(const char *buf, size_t count, struct qeth_card *card, enum qeth_prot_versions proto) { @@ -1632,7 +1632,7 @@ static QETH_DEVICE_ATTR(rxip_add4, add4, 0644, qeth_dev_rxip_add4_show, qeth_dev_rxip_add4_store); -static inline ssize_t +static ssize_t qeth_dev_rxip_del_store(const char *buf, size_t count, struct qeth_card *card, enum qeth_prot_versions proto) { diff --git a/drivers/s390/s390mach.c b/drivers/s390/s390mach.c index e088b5e2871..806bb1a921e 100644 --- a/drivers/s390/s390mach.c +++ b/drivers/s390/s390mach.c @@ -13,22 +13,18 @@ #include <linux/errno.h> #include <linux/workqueue.h> #include <linux/time.h> +#include <linux/device.h> #include <linux/kthread.h> - +#include <asm/etr.h> #include <asm/lowcore.h> - +#include <asm/cio.h> +#include "cio/cio.h" +#include "cio/chsc.h" +#include "cio/css.h" #include "s390mach.h" static struct semaphore m_sem; -extern int css_process_crw(int, int); -extern int chsc_process_crw(void); -extern int chp_process_crw(int, int); -extern void css_reiterate_subchannels(void); - -extern struct workqueue_struct *slow_path_wq; -extern struct work_struct slow_path_work; - static NORET_TYPE void s390_handle_damage(char *msg) { @@ -470,6 +466,19 @@ s390_do_machine_check(struct pt_regs *regs) s390_handle_damage("unable to revalidate registers."); } + if (mci->cd) { + /* Timing facility damage */ + s390_handle_damage("TOD clock damaged"); + } + + if (mci->ed && mci->ec) { + /* External damage */ + if (S390_lowcore.external_damage_code & (1U << ED_ETR_SYNC)) + etr_sync_check(); + if (S390_lowcore.external_damage_code & (1U << ED_ETR_SWITCH)) + etr_switch_to_local(); + } + if (mci->se) /* Storage error uncorrected */ s390_handle_damage("received storage error uncorrected " @@ -508,7 +517,7 @@ static int machine_check_init(void) { init_MUTEX_LOCKED(&m_sem); - ctl_clear_bit(14, 25); /* disable external damage MCH */ + ctl_set_bit(14, 25); /* enable external damage MCH */ ctl_set_bit(14, 27); /* enable system recovery MCH */ #ifdef CONFIG_MACHCHK_WARNING ctl_set_bit(14, 24); /* enable warning MCH */ @@ -529,7 +538,11 @@ arch_initcall(machine_check_init); static int __init machine_check_crw_init (void) { - kthread_run(s390_collect_crw_info, &m_sem, "kmcheck"); + struct task_struct *task; + + task = kthread_run(s390_collect_crw_info, &m_sem, "kmcheck"); + if (IS_ERR(task)) + return PTR_ERR(task); ctl_set_bit(14, 28); /* enable channel report MCH */ return 0; } diff --git a/drivers/s390/s390mach.h b/drivers/s390/s390mach.h index 7abb42a09ae..d3ca4281a49 100644 --- a/drivers/s390/s390mach.h +++ b/drivers/s390/s390mach.h @@ -102,4 +102,7 @@ static inline int stcrw(struct crw *pcrw ) return ccode; } +#define ED_ETR_SYNC 12 /* External damage ETR sync check */ +#define ED_ETR_SWITCH 13 /* External damage ETR switch to local */ + #endif /* __s390mach */ diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c index 85093b71f9f..39a88526679 100644 --- a/drivers/s390/scsi/zfcp_aux.c +++ b/drivers/s390/scsi/zfcp_aux.c @@ -47,13 +47,12 @@ static int __init zfcp_module_init(void); static void zfcp_ns_gid_pn_handler(unsigned long); /* miscellaneous */ -static inline int zfcp_sg_list_alloc(struct zfcp_sg_list *, size_t); -static inline void zfcp_sg_list_free(struct zfcp_sg_list *); -static inline int zfcp_sg_list_copy_from_user(struct zfcp_sg_list *, - void __user *, size_t); -static inline int zfcp_sg_list_copy_to_user(void __user *, - struct zfcp_sg_list *, size_t); - +static int zfcp_sg_list_alloc(struct zfcp_sg_list *, size_t); +static void zfcp_sg_list_free(struct zfcp_sg_list *); +static int zfcp_sg_list_copy_from_user(struct zfcp_sg_list *, + void __user *, size_t); +static int zfcp_sg_list_copy_to_user(void __user *, + struct zfcp_sg_list *, size_t); static long zfcp_cfdc_dev_ioctl(struct file *, unsigned int, unsigned long); #define ZFCP_CFDC_IOC_MAGIC 0xDD @@ -605,7 +604,7 @@ zfcp_cfdc_dev_ioctl(struct file *file, unsigned int command, * elements of the scatter-gather list. The maximum size of a single element * in the scatter-gather list is PAGE_SIZE. */ -static inline int +static int zfcp_sg_list_alloc(struct zfcp_sg_list *sg_list, size_t size) { struct scatterlist *sg; @@ -652,7 +651,7 @@ zfcp_sg_list_alloc(struct zfcp_sg_list *sg_list, size_t size) * Memory for each element in the scatter-gather list is freed. * Finally sg_list->sg is freed itself and sg_list->count is reset. */ -static inline void +static void zfcp_sg_list_free(struct zfcp_sg_list *sg_list) { struct scatterlist *sg; @@ -697,7 +696,7 @@ zfcp_sg_size(struct scatterlist *sg, unsigned int sg_count) * @size: number of bytes to be copied * Return: 0 on success, -EFAULT if copy_from_user fails. */ -static inline int +static int zfcp_sg_list_copy_from_user(struct zfcp_sg_list *sg_list, void __user *user_buffer, size_t size) @@ -735,7 +734,7 @@ zfcp_sg_list_copy_from_user(struct zfcp_sg_list *sg_list, * @size: number of bytes to be copied * Return: 0 on success, -EFAULT if copy_to_user fails */ -static inline int +static int zfcp_sg_list_copy_to_user(void __user *user_buffer, struct zfcp_sg_list *sg_list, size_t size) @@ -1799,7 +1798,7 @@ static const struct zfcp_rc_entry zfcp_p_rjt_rc[] = { * @code: reason code * @rc_table: table of reason codes and descriptions */ -static inline const char * +static const char * zfcp_rc_description(u8 code, const struct zfcp_rc_entry *rc_table) { const char *descr = "unknown reason code"; @@ -1847,7 +1846,7 @@ zfcp_check_ct_response(struct ct_hdr *rjt) * @rjt_par: reject parameter acc. to FC-PH/FC-FS * @rc_table: table of reason codes and descriptions */ -static inline void +static void zfcp_print_els_rjt(struct zfcp_ls_rjt_par *rjt_par, const struct zfcp_rc_entry *rc_table) { diff --git a/drivers/s390/scsi/zfcp_dbf.c b/drivers/s390/scsi/zfcp_dbf.c index 0aa3b1ac76a..d8191d115c1 100644 --- a/drivers/s390/scsi/zfcp_dbf.c +++ b/drivers/s390/scsi/zfcp_dbf.c @@ -31,7 +31,7 @@ MODULE_PARM_DESC(dbfsize, #define ZFCP_LOG_AREA ZFCP_LOG_AREA_OTHER -static inline int +static int zfcp_dbf_stck(char *out_buf, const char *label, unsigned long long stck) { unsigned long long sec; @@ -106,7 +106,7 @@ zfcp_dbf_view_dump(char *out_buf, const char *label, return len; } -static inline int +static int zfcp_dbf_view_header(debug_info_t * id, struct debug_view *view, int area, debug_entry_t * entry, char *out_buf) { @@ -130,7 +130,7 @@ zfcp_dbf_view_header(debug_info_t * id, struct debug_view *view, int area, return len; } -inline void zfcp_hba_dbf_event_fsf_response(struct zfcp_fsf_req *fsf_req) +void zfcp_hba_dbf_event_fsf_response(struct zfcp_fsf_req *fsf_req) { struct zfcp_adapter *adapter = fsf_req->adapter; struct fsf_qtcb *qtcb = fsf_req->qtcb; @@ -241,7 +241,7 @@ inline void zfcp_hba_dbf_event_fsf_response(struct zfcp_fsf_req *fsf_req) spin_unlock_irqrestore(&adapter->hba_dbf_lock, flags); } -inline void +void zfcp_hba_dbf_event_fsf_unsol(const char *tag, struct zfcp_adapter *adapter, struct fsf_status_read_buffer *status_buffer) { @@ -295,7 +295,7 @@ zfcp_hba_dbf_event_fsf_unsol(const char *tag, struct zfcp_adapter *adapter, spin_unlock_irqrestore(&adapter->hba_dbf_lock, flags); } -inline void +void zfcp_hba_dbf_event_qdio(struct zfcp_adapter *adapter, unsigned int status, unsigned int qdio_error, unsigned int siga_error, int sbal_index, int sbal_count) @@ -316,7 +316,7 @@ zfcp_hba_dbf_event_qdio(struct zfcp_adapter *adapter, unsigned int status, spin_unlock_irqrestore(&adapter->hba_dbf_lock, flags); } -static inline int +static int zfcp_hba_dbf_view_response(char *out_buf, struct zfcp_hba_dbf_record_response *rec) { @@ -403,7 +403,7 @@ zfcp_hba_dbf_view_response(char *out_buf, return len; } -static inline int +static int zfcp_hba_dbf_view_status(char *out_buf, struct zfcp_hba_dbf_record_status *rec) { int len = 0; @@ -424,7 +424,7 @@ zfcp_hba_dbf_view_status(char *out_buf, struct zfcp_hba_dbf_record_status *rec) return len; } -static inline int +static int zfcp_hba_dbf_view_qdio(char *out_buf, struct zfcp_hba_dbf_record_qdio *rec) { int len = 0; @@ -469,7 +469,7 @@ zfcp_hba_dbf_view_format(debug_info_t * id, struct debug_view *view, return len; } -struct debug_view zfcp_hba_dbf_view = { +static struct debug_view zfcp_hba_dbf_view = { "structured", NULL, &zfcp_dbf_view_header, @@ -478,7 +478,7 @@ struct debug_view zfcp_hba_dbf_view = { NULL }; -inline void +void _zfcp_san_dbf_event_common_ct(const char *tag, struct zfcp_fsf_req *fsf_req, u32 s_id, u32 d_id, void *buffer, int buflen) { @@ -519,7 +519,7 @@ _zfcp_san_dbf_event_common_ct(const char *tag, struct zfcp_fsf_req *fsf_req, spin_unlock_irqrestore(&adapter->san_dbf_lock, flags); } -inline void zfcp_san_dbf_event_ct_request(struct zfcp_fsf_req *fsf_req) +void zfcp_san_dbf_event_ct_request(struct zfcp_fsf_req *fsf_req) { struct zfcp_send_ct *ct = (struct zfcp_send_ct *)fsf_req->data; struct zfcp_port *port = ct->port; @@ -531,7 +531,7 @@ inline void zfcp_san_dbf_event_ct_request(struct zfcp_fsf_req *fsf_req) ct->req->length); } -inline void zfcp_san_dbf_event_ct_response(struct zfcp_fsf_req *fsf_req) +void zfcp_san_dbf_event_ct_response(struct zfcp_fsf_req *fsf_req) { struct zfcp_send_ct *ct = (struct zfcp_send_ct *)fsf_req->data; struct zfcp_port *port = ct->port; @@ -543,7 +543,7 @@ inline void zfcp_san_dbf_event_ct_response(struct zfcp_fsf_req *fsf_req) ct->resp->length); } -static inline void +static void _zfcp_san_dbf_event_common_els(const char *tag, int level, struct zfcp_fsf_req *fsf_req, u32 s_id, u32 d_id, u8 ls_code, void *buffer, int buflen) @@ -585,7 +585,7 @@ _zfcp_san_dbf_event_common_els(const char *tag, int level, spin_unlock_irqrestore(&adapter->san_dbf_lock, flags); } -inline void zfcp_san_dbf_event_els_request(struct zfcp_fsf_req *fsf_req) +void zfcp_san_dbf_event_els_request(struct zfcp_fsf_req *fsf_req) { struct zfcp_send_els *els = (struct zfcp_send_els *)fsf_req->data; @@ -597,7 +597,7 @@ inline void zfcp_san_dbf_event_els_request(struct zfcp_fsf_req *fsf_req) els->req->length); } -inline void zfcp_san_dbf_event_els_response(struct zfcp_fsf_req *fsf_req) +void zfcp_san_dbf_event_els_response(struct zfcp_fsf_req *fsf_req) { struct zfcp_send_els *els = (struct zfcp_send_els *)fsf_req->data; @@ -608,7 +608,7 @@ inline void zfcp_san_dbf_event_els_response(struct zfcp_fsf_req *fsf_req) els->resp->length); } -inline void zfcp_san_dbf_event_incoming_els(struct zfcp_fsf_req *fsf_req) +void zfcp_san_dbf_event_incoming_els(struct zfcp_fsf_req *fsf_req) { struct zfcp_adapter *adapter = fsf_req->adapter; struct fsf_status_read_buffer *status_buffer = @@ -693,7 +693,7 @@ zfcp_san_dbf_view_format(debug_info_t * id, struct debug_view *view, return len; } -struct debug_view zfcp_san_dbf_view = { +static struct debug_view zfcp_san_dbf_view = { "structured", NULL, &zfcp_dbf_view_header, @@ -702,7 +702,7 @@ struct debug_view zfcp_san_dbf_view = { NULL }; -static inline void +static void _zfcp_scsi_dbf_event_common(const char *tag, const char *tag2, int level, struct zfcp_adapter *adapter, struct scsi_cmnd *scsi_cmnd, @@ -786,7 +786,7 @@ _zfcp_scsi_dbf_event_common(const char *tag, const char *tag2, int level, spin_unlock_irqrestore(&adapter->scsi_dbf_lock, flags); } -inline void +void zfcp_scsi_dbf_event_result(const char *tag, int level, struct zfcp_adapter *adapter, struct scsi_cmnd *scsi_cmnd, @@ -796,7 +796,7 @@ zfcp_scsi_dbf_event_result(const char *tag, int level, adapter, scsi_cmnd, fsf_req, 0); } -inline void +void zfcp_scsi_dbf_event_abort(const char *tag, struct zfcp_adapter *adapter, struct scsi_cmnd *scsi_cmnd, struct zfcp_fsf_req *new_fsf_req, @@ -806,7 +806,7 @@ zfcp_scsi_dbf_event_abort(const char *tag, struct zfcp_adapter *adapter, adapter, scsi_cmnd, new_fsf_req, old_req_id); } -inline void +void zfcp_scsi_dbf_event_devreset(const char *tag, u8 flag, struct zfcp_unit *unit, struct scsi_cmnd *scsi_cmnd) { @@ -884,7 +884,7 @@ zfcp_scsi_dbf_view_format(debug_info_t * id, struct debug_view *view, return len; } -struct debug_view zfcp_scsi_dbf_view = { +static struct debug_view zfcp_scsi_dbf_view = { "structured", NULL, &zfcp_dbf_view_header, diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c index c88babce9bc..88642dec080 100644 --- a/drivers/s390/scsi/zfcp_erp.c +++ b/drivers/s390/scsi/zfcp_erp.c @@ -200,7 +200,7 @@ void zfcp_fsf_start_timer(struct zfcp_fsf_req *fsf_req, unsigned long timeout) * returns: 0 - initiated action successfully * <0 - failed to initiate action */ -int +static int zfcp_erp_adapter_reopen_internal(struct zfcp_adapter *adapter, int clear_mask) { int retval; @@ -295,7 +295,7 @@ zfcp_erp_unit_shutdown(struct zfcp_unit *unit, int clear_mask) * zfcp_erp_adisc - send ADISC ELS command * @port: port structure */ -int +static int zfcp_erp_adisc(struct zfcp_port *port) { struct zfcp_adapter *adapter = port->adapter; @@ -380,7 +380,7 @@ zfcp_erp_adisc(struct zfcp_port *port) * * If ADISC failed (LS_RJT or timed out) forced reopen of the port is triggered. */ -void +static void zfcp_erp_adisc_handler(unsigned long data) { struct zfcp_send_els *send_els; @@ -3141,7 +3141,6 @@ zfcp_erp_action_cleanup(int action, struct zfcp_adapter *adapter, break; case ZFCP_ERP_ACTION_REOPEN_ADAPTER: if (result != ZFCP_ERP_SUCCEEDED) { - struct zfcp_port *port; list_for_each_entry(port, &adapter->port_list_head, list) if (port->rport && !atomic_test_mask(ZFCP_STATUS_PORT_WKA, diff --git a/drivers/s390/scsi/zfcp_ext.h b/drivers/s390/scsi/zfcp_ext.h index b8794d77285..cda0cc095ad 100644 --- a/drivers/s390/scsi/zfcp_ext.h +++ b/drivers/s390/scsi/zfcp_ext.h @@ -119,8 +119,8 @@ extern int zfcp_adapter_scsi_register(struct zfcp_adapter *); extern void zfcp_adapter_scsi_unregister(struct zfcp_adapter *); extern void zfcp_set_fcp_dl(struct fcp_cmnd_iu *, fcp_dl_t); extern char *zfcp_get_fcp_rsp_info_ptr(struct fcp_rsp_iu *); -extern void set_host_byte(u32 *, char); -extern void set_driver_byte(u32 *, char); +extern void set_host_byte(int *, char); +extern void set_driver_byte(int *, char); extern char *zfcp_get_fcp_sns_info_ptr(struct fcp_rsp_iu *); extern fcp_dl_t zfcp_get_fcp_dl(struct fcp_cmnd_iu *); diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c index 067f1519eb0..4b3ae3f22e7 100644 --- a/drivers/s390/scsi/zfcp_fsf.c +++ b/drivers/s390/scsi/zfcp_fsf.c @@ -4563,7 +4563,7 @@ zfcp_fsf_req_sbal_check(unsigned long *flags, /* * set qtcb pointer in fsf_req and initialize QTCB */ -static inline void +static void zfcp_fsf_req_qtcb_init(struct zfcp_fsf_req *fsf_req) { if (likely(fsf_req->qtcb != NULL)) { diff --git a/drivers/s390/scsi/zfcp_qdio.c b/drivers/s390/scsi/zfcp_qdio.c index dbd9f48e863..1e12a78e8ed 100644 --- a/drivers/s390/scsi/zfcp_qdio.c +++ b/drivers/s390/scsi/zfcp_qdio.c @@ -21,22 +21,22 @@ #include "zfcp_ext.h" -static inline void zfcp_qdio_sbal_limit(struct zfcp_fsf_req *, int); +static void zfcp_qdio_sbal_limit(struct zfcp_fsf_req *, int); static inline volatile struct qdio_buffer_element *zfcp_qdio_sbale_get (struct zfcp_qdio_queue *, int, int); static inline volatile struct qdio_buffer_element *zfcp_qdio_sbale_resp (struct zfcp_fsf_req *, int, int); -static inline volatile struct qdio_buffer_element *zfcp_qdio_sbal_chain +static volatile struct qdio_buffer_element *zfcp_qdio_sbal_chain (struct zfcp_fsf_req *, unsigned long); -static inline volatile struct qdio_buffer_element *zfcp_qdio_sbale_next +static volatile struct qdio_buffer_element *zfcp_qdio_sbale_next (struct zfcp_fsf_req *, unsigned long); -static inline int zfcp_qdio_sbals_zero(struct zfcp_qdio_queue *, int, int); +static int zfcp_qdio_sbals_zero(struct zfcp_qdio_queue *, int, int); static inline int zfcp_qdio_sbals_wipe(struct zfcp_fsf_req *); -static inline void zfcp_qdio_sbale_fill +static void zfcp_qdio_sbale_fill (struct zfcp_fsf_req *, unsigned long, void *, int); -static inline int zfcp_qdio_sbals_from_segment +static int zfcp_qdio_sbals_from_segment (struct zfcp_fsf_req *, unsigned long, void *, unsigned long); -static inline int zfcp_qdio_sbals_from_buffer +static int zfcp_qdio_sbals_from_buffer (struct zfcp_fsf_req *, unsigned long, void *, unsigned long, int); static qdio_handler_t zfcp_qdio_request_handler; @@ -201,7 +201,7 @@ zfcp_qdio_allocate(struct zfcp_adapter *adapter) * returns: error flag * */ -static inline int +static int zfcp_qdio_handler_error_check(struct zfcp_adapter *adapter, unsigned int status, unsigned int qdio_error, unsigned int siga_error, int first_element, int elements_processed) @@ -462,7 +462,7 @@ zfcp_qdio_sbale_get(struct zfcp_qdio_queue *queue, int sbal, int sbale) * zfcp_qdio_sbale_req - return pointer to SBALE of request_queue for * a struct zfcp_fsf_req */ -inline volatile struct qdio_buffer_element * +volatile struct qdio_buffer_element * zfcp_qdio_sbale_req(struct zfcp_fsf_req *fsf_req, int sbal, int sbale) { return zfcp_qdio_sbale_get(&fsf_req->adapter->request_queue, @@ -484,7 +484,7 @@ zfcp_qdio_sbale_resp(struct zfcp_fsf_req *fsf_req, int sbal, int sbale) * zfcp_qdio_sbale_curr - return current SBALE on request_queue for * a struct zfcp_fsf_req */ -inline volatile struct qdio_buffer_element * +volatile struct qdio_buffer_element * zfcp_qdio_sbale_curr(struct zfcp_fsf_req *fsf_req) { return zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_curr, @@ -499,7 +499,7 @@ zfcp_qdio_sbale_curr(struct zfcp_fsf_req *fsf_req) * * Note: We can assume at least one free SBAL in the request_queue when called. */ -static inline void +static void zfcp_qdio_sbal_limit(struct zfcp_fsf_req *fsf_req, int max_sbals) { int count = atomic_read(&fsf_req->adapter->request_queue.free_count); @@ -517,7 +517,7 @@ zfcp_qdio_sbal_limit(struct zfcp_fsf_req *fsf_req, int max_sbals) * * This function changes sbal_curr, sbale_curr, sbal_number of fsf_req. */ -static inline volatile struct qdio_buffer_element * +static volatile struct qdio_buffer_element * zfcp_qdio_sbal_chain(struct zfcp_fsf_req *fsf_req, unsigned long sbtype) { volatile struct qdio_buffer_element *sbale; @@ -554,7 +554,7 @@ zfcp_qdio_sbal_chain(struct zfcp_fsf_req *fsf_req, unsigned long sbtype) /** * zfcp_qdio_sbale_next - switch to next SBALE, chain SBALs if needed */ -static inline volatile struct qdio_buffer_element * +static volatile struct qdio_buffer_element * zfcp_qdio_sbale_next(struct zfcp_fsf_req *fsf_req, unsigned long sbtype) { if (fsf_req->sbale_curr == ZFCP_LAST_SBALE_PER_SBAL) @@ -569,7 +569,7 @@ zfcp_qdio_sbale_next(struct zfcp_fsf_req *fsf_req, unsigned long sbtype) * zfcp_qdio_sbals_zero - initialize SBALs between first and last in queue * with zero from */ -static inline int +static int zfcp_qdio_sbals_zero(struct zfcp_qdio_queue *queue, int first, int last) { struct qdio_buffer **buf = queue->buffer; @@ -603,7 +603,7 @@ zfcp_qdio_sbals_wipe(struct zfcp_fsf_req *fsf_req) * zfcp_qdio_sbale_fill - set address and lenght in current SBALE * on request_queue */ -static inline void +static void zfcp_qdio_sbale_fill(struct zfcp_fsf_req *fsf_req, unsigned long sbtype, void *addr, int length) { @@ -624,7 +624,7 @@ zfcp_qdio_sbale_fill(struct zfcp_fsf_req *fsf_req, unsigned long sbtype, * Alignment and length of the segment determine how many SBALEs are needed * for the memory segment. */ -static inline int +static int zfcp_qdio_sbals_from_segment(struct zfcp_fsf_req *fsf_req, unsigned long sbtype, void *start_addr, unsigned long total_length) { @@ -659,7 +659,7 @@ zfcp_qdio_sbals_from_segment(struct zfcp_fsf_req *fsf_req, unsigned long sbtype, * @sg_count: number of elements in scatter-gather list * @max_sbals: upper bound for number of SBALs to be used */ -inline int +int zfcp_qdio_sbals_from_sg(struct zfcp_fsf_req *fsf_req, unsigned long sbtype, struct scatterlist *sg, int sg_count, int max_sbals) { @@ -707,7 +707,7 @@ out: * @length: length of buffer * @max_sbals: upper bound for number of SBALs to be used */ -static inline int +static int zfcp_qdio_sbals_from_buffer(struct zfcp_fsf_req *fsf_req, unsigned long sbtype, void *buffer, unsigned long length, int max_sbals) { @@ -728,7 +728,7 @@ zfcp_qdio_sbals_from_buffer(struct zfcp_fsf_req *fsf_req, unsigned long sbtype, * @scsi_cmnd: either scatter-gather list or buffer contained herein is used * to fill SBALs */ -inline int +int zfcp_qdio_sbals_from_scsicmnd(struct zfcp_fsf_req *fsf_req, unsigned long sbtype, struct scsi_cmnd *scsi_cmnd) { diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c index 452d96f92a1..99db02062c3 100644 --- a/drivers/s390/scsi/zfcp_scsi.c +++ b/drivers/s390/scsi/zfcp_scsi.c @@ -90,7 +90,7 @@ zfcp_get_fcp_sns_info_ptr(struct fcp_rsp_iu *fcp_rsp_iu) return fcp_sns_info_ptr; } -fcp_dl_t * +static fcp_dl_t * zfcp_get_fcp_dl_ptr(struct fcp_cmnd_iu * fcp_cmd) { int additional_length = fcp_cmd->add_fcp_cdb_length << 2; @@ -124,19 +124,19 @@ zfcp_set_fcp_dl(struct fcp_cmnd_iu *fcp_cmd, fcp_dl_t fcp_dl) * regarding the specified byte */ static inline void -set_byte(u32 * result, char status, char pos) +set_byte(int *result, char status, char pos) { *result |= status << (pos * 8); } void -set_host_byte(u32 * result, char status) +set_host_byte(int *result, char status) { set_byte(result, status, 2); } void -set_driver_byte(u32 * result, char status) +set_driver_byte(int *result, char status) { set_byte(result, status, 3); } @@ -280,7 +280,7 @@ out: return retval; } -void +static void zfcp_scsi_command_sync_handler(struct scsi_cmnd *scpnt) { struct completion *wait = (struct completion *) scpnt->SCp.ptr; @@ -324,7 +324,7 @@ zfcp_scsi_command_sync(struct zfcp_unit *unit, struct scsi_cmnd *scpnt, * returns: 0 - success, SCSI command enqueued * !0 - failure */ -int +static int zfcp_scsi_queuecommand(struct scsi_cmnd *scpnt, void (*done) (struct scsi_cmnd *)) { @@ -380,7 +380,7 @@ zfcp_unit_lookup(struct zfcp_adapter *adapter, int channel, unsigned int id, * will handle late commands. (Usually, the normal completion of late * commands is ignored with respect to the running abort operation.) */ -int zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt) +static int zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt) { struct Scsi_Host *scsi_host; struct zfcp_adapter *adapter; @@ -445,7 +445,7 @@ int zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt) return retval; } -int +static int zfcp_scsi_eh_device_reset_handler(struct scsi_cmnd *scpnt) { int retval; @@ -541,7 +541,7 @@ zfcp_task_management_function(struct zfcp_unit *unit, u8 tm_flags, /** * zfcp_scsi_eh_host_reset_handler - handler for host and bus reset */ -int zfcp_scsi_eh_host_reset_handler(struct scsi_cmnd *scpnt) +static int zfcp_scsi_eh_host_reset_handler(struct scsi_cmnd *scpnt) { struct zfcp_unit *unit; struct zfcp_adapter *adapter; diff --git a/drivers/s390/sysinfo.c b/drivers/s390/sysinfo.c index 1e788e815ce..090743d2f91 100644 --- a/drivers/s390/sysinfo.c +++ b/drivers/s390/sysinfo.c @@ -9,8 +9,14 @@ #include <linux/mm.h> #include <linux/proc_fs.h> #include <linux/init.h> +#include <linux/delay.h> #include <asm/ebcdic.h> +/* Sigh, math-emu. Don't ask. */ +#include <asm/sfp-util.h> +#include <math-emu/soft-fp.h> +#include <math-emu/single.h> + struct sysinfo_1_1_1 { char reserved_0[32]; char manufacturer[16]; @@ -198,7 +204,7 @@ static int stsi_1_2_2(struct sysinfo_1_2_2 *info, char *page, int len) * if the higher order 8 bits are not zero. Printing * a floating point number in the kernel is a no-no, * always print the number as 32 bit unsigned integer. - * The user-space needs to know about the stange + * The user-space needs to know about the strange * encoding of the alternate cpu capability. */ len += sprintf(page + len, "Capability: %u %u\n", @@ -351,3 +357,58 @@ static __init int create_proc_sysinfo(void) __initcall(create_proc_sysinfo); +/* + * CPU capability might have changed. Therefore recalculate loops_per_jiffy. + */ +void s390_adjust_jiffies(void) +{ + struct sysinfo_1_2_2 *info; + const unsigned int fmil = 0x4b189680; /* 1e7 as 32-bit float. */ + FP_DECL_S(SA); FP_DECL_S(SB); FP_DECL_S(SR); + FP_DECL_EX; + unsigned int capability; + + info = (void *) get_zeroed_page(GFP_KERNEL); + if (!info) + return; + + if (stsi(info, 1, 2, 2) != -ENOSYS) { + /* + * Major sigh. The cpu capability encoding is "special". + * If the first 9 bits of info->capability are 0 then it + * is a 32 bit unsigned integer in the range 0 .. 2^23. + * If the first 9 bits are != 0 then it is a 32 bit float. + * In addition a lower value indicates a proportionally + * higher cpu capacity. Bogomips are the other way round. + * To get to a halfway suitable number we divide 1e7 + * by the cpu capability number. Yes, that means a floating + * point division .. math-emu here we come :-) + */ + FP_UNPACK_SP(SA, &fmil); + if ((info->capability >> 23) == 0) + FP_FROM_INT_S(SB, info->capability, 32, int); + else + FP_UNPACK_SP(SB, &info->capability); + FP_DIV_S(SR, SA, SB); + FP_TO_INT_S(capability, SR, 32, 0); + } else + /* + * Really old machine without stsi block for basic + * cpu information. Report 42.0 bogomips. + */ + capability = 42; + loops_per_jiffy = capability * (500000/HZ); + free_page((unsigned long) info); +} + +/* + * calibrate the delay loop + */ +void __init calibrate_delay(void) +{ + s390_adjust_jiffies(); + /* Print the good old Bogomips line .. */ + printk(KERN_DEBUG "Calibrating delay loop (skipped)... " + "%lu.%02lu BogoMIPS preset\n", loops_per_jiffy/(500000/HZ), + (loops_per_jiffy/(5000/HZ)) % 100); +} diff --git a/drivers/usb/input/Kconfig b/drivers/usb/input/Kconfig index c7d887540d8..aa6a620c162 100644 --- a/drivers/usb/input/Kconfig +++ b/drivers/usb/input/Kconfig @@ -69,6 +69,14 @@ config LOGITECH_FF Note: if you say N here, this device will still be supported, but without force feedback. +config PANTHERLORD_FF + bool "PantherLord USB/PS2 2in1 Adapter support" + depends on HID_FF + select INPUT_FF_MEMLESS if USB_HID + help + Say Y here if you have a PantherLord USB/PS2 2in1 Adapter and want + to enable force feedback support for it. + config THRUSTMASTER_FF bool "ThrustMaster FireStorm Dual Power 2 support (EXPERIMENTAL)" depends on HID_FF && EXPERIMENTAL diff --git a/drivers/usb/input/Makefile b/drivers/usb/input/Makefile index 1a24b5bfa05..a06024e5cd5 100644 --- a/drivers/usb/input/Makefile +++ b/drivers/usb/input/Makefile @@ -17,6 +17,9 @@ endif ifeq ($(CONFIG_LOGITECH_FF),y) usbhid-objs += hid-lgff.o endif +ifeq ($(CONFIG_PANTHERLORD_FF),y) + usbhid-objs += hid-plff.o +endif ifeq ($(CONFIG_THRUSTMASTER_FF),y) usbhid-objs += hid-tmff.o endif diff --git a/drivers/usb/input/hid-core.c b/drivers/usb/input/hid-core.c index c6c9e72e5fd..e07a3049072 100644 --- a/drivers/usb/input/hid-core.c +++ b/drivers/usb/input/hid-core.c @@ -35,6 +35,7 @@ #include <linux/hid.h> #include <linux/hiddev.h> +#include <linux/hid-debug.h> #include "usbhid.h" /* @@ -220,23 +221,6 @@ static void hid_irq_in(struct urb *urb) } } -/* - * Find a report field with a specified HID usage. - */ -#if 0 -struct hid_field *hid_find_field_by_usage(struct hid_device *hid, __u32 wanted_usage, int type) -{ - struct hid_report *report; - int i; - - list_for_each_entry(report, &hid->report_enum[type].report_list, list) - for (i = 0; i < report->maxfield; i++) - if (report->field[i]->logical == wanted_usage) - return report->field[i]; - return NULL; -} -#endif /* 0 */ - static int hid_submit_out(struct hid_device *hid) { struct hid_report *report; @@ -501,7 +485,7 @@ static int hid_get_class_descriptor(struct usb_device *dev, int ifnum, { int result, retries = 4; - memset(buf,0,size); // Make sure we parse really received data + memset(buf, 0, size); do { result = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), @@ -528,18 +512,6 @@ void usbhid_close(struct hid_device *hid) usb_kill_urb(usbhid->urbin); } -static int hidinput_open(struct input_dev *dev) -{ - struct hid_device *hid = dev->private; - return usbhid_open(hid); -} - -static void hidinput_close(struct input_dev *dev) -{ - struct hid_device *hid = dev->private; - usbhid_close(hid); -} - #define USB_VENDOR_ID_PANJIT 0x134c #define USB_VENDOR_ID_TURBOX 0x062a @@ -770,6 +742,7 @@ void usbhid_init_reports(struct hid_device *hid) #define USB_DEVICE_ID_APPLE_GEYSER4_JIS 0x021c #define USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY 0x030a #define USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY 0x030b +#define USB_DEVICE_ID_APPLE_IR 0x8240 #define USB_VENDOR_ID_CHERRY 0x046a #define USB_DEVICE_ID_CHERRY_CYMOTION 0x0023 @@ -792,6 +765,9 @@ void usbhid_init_reports(struct hid_device *hid) #define USB_VENDOR_ID_IMATION 0x0718 #define USB_DEVICE_ID_DISC_STAKKA 0xd000 +#define USB_VENDOR_ID_PANTHERLORD 0x0810 +#define USB_DEVICE_ID_PANTHERLORD_TWIN_USB_JOYSTICK 0x0001 + /* * Alphabetically sorted blacklist by quirk type. */ @@ -946,19 +922,21 @@ static const struct hid_blacklist { { USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION, HID_QUIRK_CYMOTION }, - { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI, HID_QUIRK_POWERBOOK_HAS_FN }, - { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO, HID_QUIRK_POWERBOOK_HAS_FN }, - { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI, HID_QUIRK_POWERBOOK_HAS_FN }, - { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_POWERBOOK_ISO_KEYBOARD}, - { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS, HID_QUIRK_POWERBOOK_HAS_FN }, - { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI, HID_QUIRK_POWERBOOK_HAS_FN }, - { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_POWERBOOK_ISO_KEYBOARD}, - { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS, HID_QUIRK_POWERBOOK_HAS_FN }, - { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI, HID_QUIRK_POWERBOOK_HAS_FN }, - { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_POWERBOOK_ISO_KEYBOARD}, - { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS, HID_QUIRK_POWERBOOK_HAS_FN }, - { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY, HID_QUIRK_POWERBOOK_HAS_FN }, - { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY, HID_QUIRK_POWERBOOK_HAS_FN }, + { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_IGNORE_MOUSE }, + { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_IGNORE_MOUSE }, + { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_IGNORE_MOUSE }, + { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_IGNORE_MOUSE | HID_QUIRK_POWERBOOK_ISO_KEYBOARD}, + { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_IGNORE_MOUSE }, + { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_IGNORE_MOUSE }, + { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_IGNORE_MOUSE | HID_QUIRK_POWERBOOK_ISO_KEYBOARD}, + { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_IGNORE_MOUSE }, + { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_IGNORE_MOUSE }, + { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_IGNORE_MOUSE | HID_QUIRK_POWERBOOK_ISO_KEYBOARD}, + { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_IGNORE_MOUSE }, + { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_IGNORE_MOUSE }, + { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_IGNORE_MOUSE }, + + { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IR, HID_QUIRK_IGNORE }, { USB_VENDOR_ID_PANJIT, 0x0001, HID_QUIRK_IGNORE }, { USB_VENDOR_ID_PANJIT, 0x0002, HID_QUIRK_IGNORE }, @@ -969,6 +947,8 @@ static const struct hid_blacklist { { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_USB_RECEIVER, HID_QUIRK_BAD_RELATIVE_KEYS }, + { USB_VENDOR_ID_PANTHERLORD, USB_DEVICE_ID_PANTHERLORD_TWIN_USB_JOYSTICK, HID_QUIRK_MULTI_INPUT | HID_QUIRK_SKIP_OUTPUT_REPORTS }, + { 0, 0 } }; @@ -1064,6 +1044,11 @@ static struct hid_device *usb_hid_configure(struct usb_interface *intf) if (quirks & HID_QUIRK_IGNORE) return NULL; + if ((quirks & HID_QUIRK_IGNORE_MOUSE) && + (interface->desc.bInterfaceProtocol == USB_INTERFACE_PROTOCOL_MOUSE)) + return NULL; + + if (usb_get_extra_descriptor(interface, HID_DT_HID, &hdesc) && (!interface->desc.bNumEndpoints || usb_get_extra_descriptor(&interface->endpoint[0], HID_DT_HID, &hdesc))) { @@ -1235,8 +1220,8 @@ static struct hid_device *usb_hid_configure(struct usb_interface *intf) usbhid->urbctrl->transfer_dma = usbhid->ctrlbuf_dma; usbhid->urbctrl->transfer_flags |= (URB_NO_TRANSFER_DMA_MAP | URB_NO_SETUP_DMA_MAP); hid->hidinput_input_event = usb_hidinput_input_event; - hid->hidinput_open = hidinput_open; - hid->hidinput_close = hidinput_close; + hid->hid_open = usbhid_open; + hid->hid_close = usbhid_close; #ifdef CONFIG_USB_HIDDEV hid->hiddev_hid_event = hiddev_hid_event; hid->hiddev_report_event = hiddev_report_event; @@ -1315,11 +1300,7 @@ static int hid_probe(struct usb_interface *intf, const struct usb_device_id *id) return -ENODEV; } - /* This only gets called when we are a single-input (most of the - * time). IOW, not a HID_QUIRK_MULTI_INPUT. The hid_ff_init() is - * only useful in this case, and not for multi-input quirks. */ - if ((hid->claimed & HID_CLAIMED_INPUT) && - !(hid->quirks & HID_QUIRK_MULTI_INPUT)) + if ((hid->claimed & HID_CLAIMED_INPUT)) hid_ff_init(hid); printk(KERN_INFO); diff --git a/drivers/usb/input/hid-ff.c b/drivers/usb/input/hid-ff.c index 59ed65e7a62..5d145058a5c 100644 --- a/drivers/usb/input/hid-ff.c +++ b/drivers/usb/input/hid-ff.c @@ -58,6 +58,9 @@ static struct hid_ff_initializer inits[] = { { 0x46d, 0xc295, hid_lgff_init }, /* Logitech MOMO force wheel */ { 0x46d, 0xc219, hid_lgff_init }, /* Logitech Cordless rumble pad 2 */ #endif +#ifdef CONFIG_PANTHERLORD_FF + { 0x810, 0x0001, hid_plff_init }, +#endif #ifdef CONFIG_THRUSTMASTER_FF { 0x44f, 0xb304, hid_tmff_init }, #endif diff --git a/drivers/usb/input/hid-plff.c b/drivers/usb/input/hid-plff.c new file mode 100644 index 00000000000..76d2e6e14db --- /dev/null +++ b/drivers/usb/input/hid-plff.c @@ -0,0 +1,129 @@ +/* + * Force feedback support for PantherLord USB/PS2 2in1 Adapter devices + * + * Copyright (c) 2007 Anssi Hannula <anssi.hannula@gmail.com> + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + + +/* #define DEBUG */ + +#define debug(format, arg...) pr_debug("hid-plff: " format "\n" , ## arg) + +#include <linux/input.h> +#include <linux/usb.h> +#include <linux/hid.h> +#include "usbhid.h" + +struct plff_device { + struct hid_report *report; +}; + +static int hid_plff_play(struct input_dev *dev, void *data, + struct ff_effect *effect) +{ + struct hid_device *hid = dev->private; + struct plff_device *plff = data; + int left, right; + + left = effect->u.rumble.strong_magnitude; + right = effect->u.rumble.weak_magnitude; + debug("called with 0x%04x 0x%04x", left, right); + + left = left * 0x7f / 0xffff; + right = right * 0x7f / 0xffff; + + plff->report->field[0]->value[2] = left; + plff->report->field[0]->value[3] = right; + debug("running with 0x%02x 0x%02x", left, right); + usbhid_submit_report(hid, plff->report, USB_DIR_OUT); + + return 0; +} + +int hid_plff_init(struct hid_device *hid) +{ + struct plff_device *plff; + struct hid_report *report; + struct hid_input *hidinput; + struct list_head *report_list = + &hid->report_enum[HID_OUTPUT_REPORT].report_list; + struct list_head *report_ptr = report_list; + struct input_dev *dev; + int error; + + /* The device contains 2 output reports (one for each + HID_QUIRK_MULTI_INPUT device), both containing 1 field, which + contains 4 ff00.0002 usages and 4 16bit absolute values. + + The 2 input reports also contain a field which contains + 8 ff00.0001 usages and 8 boolean values. Their meaning is + currently unknown. */ + + if (list_empty(report_list)) { + printk(KERN_ERR "hid-plff: no output reports found\n"); + return -ENODEV; + } + + list_for_each_entry(hidinput, &hid->inputs, list) { + + report_ptr = report_ptr->next; + + if (report_ptr == report_list) { + printk(KERN_ERR "hid-plff: required output report is missing\n"); + return -ENODEV; + } + + report = list_entry(report_ptr, struct hid_report, list); + if (report->maxfield < 1) { + printk(KERN_ERR "hid-plff: no fields in the report\n"); + return -ENODEV; + } + + if (report->field[0]->report_count < 4) { + printk(KERN_ERR "hid-plff: not enough values in the field\n"); + return -ENODEV; + } + + plff = kzalloc(sizeof(struct plff_device), GFP_KERNEL); + if (!plff) + return -ENOMEM; + + dev = hidinput->input; + + set_bit(FF_RUMBLE, dev->ffbit); + + error = input_ff_create_memless(dev, plff, hid_plff_play); + if (error) { + kfree(plff); + return error; + } + + plff->report = report; + plff->report->field[0]->value[0] = 0x00; + plff->report->field[0]->value[1] = 0x00; + plff->report->field[0]->value[2] = 0x00; + plff->report->field[0]->value[3] = 0x00; + usbhid_submit_report(hid, plff->report, USB_DIR_OUT); + } + + printk(KERN_INFO "hid-plff: Force feedback for PantherLord USB/PS2 " + "2in1 Adapters by Anssi Hannula <anssi.hannula@gmail.com>\n"); + + return 0; +} diff --git a/drivers/video/output.c b/drivers/video/output.c new file mode 100644 index 00000000000..1473f2c892d --- /dev/null +++ b/drivers/video/output.c @@ -0,0 +1,129 @@ +/* + * output.c - Display Output Switch driver + * + * Copyright (C) 2006 Luming Yu <luming.yu@intel.com> + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or (at + * your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + */ +#include <linux/module.h> +#include <linux/video_output.h> +#include <linux/err.h> +#include <linux/ctype.h> + + +MODULE_DESCRIPTION("Display Output Switcher Lowlevel Control Abstraction"); +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Luming Yu <luming.yu@intel.com>"); + +static ssize_t video_output_show_state(struct class_device *dev,char *buf) +{ + ssize_t ret_size = 0; + struct output_device *od = to_output_device(dev); + if (od->props) + ret_size = sprintf(buf,"%.8x\n",od->props->get_status(od)); + return ret_size; +} + +static ssize_t video_output_store_state(struct class_device *dev, + const char *buf,size_t count) +{ + char *endp; + struct output_device *od = to_output_device(dev); + int request_state = simple_strtoul(buf,&endp,0); + size_t size = endp - buf; + + if (*endp && isspace(*endp)) + size++; + if (size != count) + return -EINVAL; + + if (od->props) { + od->request_state = request_state; + od->props->set_state(od); + } + return count; +} + +static void video_output_class_release(struct class_device *dev) +{ + struct output_device *od = to_output_device(dev); + kfree(od); +} + +static struct class_device_attribute video_output_attributes[] = { + __ATTR(state, 0644, video_output_show_state, video_output_store_state), + __ATTR_NULL, +}; + +static struct class video_output_class = { + .name = "video_output", + .release = video_output_class_release, + .class_dev_attrs = video_output_attributes, +}; + +struct output_device *video_output_register(const char *name, + struct device *dev, + void *devdata, + struct output_properties *op) +{ + struct output_device *new_dev; + int ret_code = 0; + + new_dev = kzalloc(sizeof(struct output_device),GFP_KERNEL); + if (!new_dev) { + ret_code = -ENOMEM; + goto error_return; + } + new_dev->props = op; + new_dev->class_dev.class = &video_output_class; + new_dev->class_dev.dev = dev; + strlcpy(new_dev->class_dev.class_id,name,KOBJ_NAME_LEN); + class_set_devdata(&new_dev->class_dev,devdata); + ret_code = class_device_register(&new_dev->class_dev); + if (ret_code) { + kfree(new_dev); + goto error_return; + } + return new_dev; + +error_return: + return ERR_PTR(ret_code); +} +EXPORT_SYMBOL(video_output_register); + +void video_output_unregister(struct output_device *dev) +{ + if (!dev) + return; + class_device_unregister(&dev->class_dev); +} +EXPORT_SYMBOL(video_output_unregister); + +static void __exit video_output_class_exit(void) +{ + class_unregister(&video_output_class); +} + +static int __init video_output_class_init(void) +{ + return class_register(&video_output_class); +} + +postcore_initcall(video_output_class_init); +module_exit(video_output_class_exit); |