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2007-02-02ACPICA: Fixes for load() operator.Alexey Starikovskiy
Optimized the Load operator in the case where the source operand is an operation region. Simply map the operation region memory, instead of performing a bytewise read. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2007-02-02ACPICA: Miscellaneous table manager updates and optimizationsAlexey Starikovskiy
Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2007-02-02ACPICA: Remove duplicate table definitions.Alexey Starikovskiy
Signed-off-by: Len Brown <len.brown@intel.com>
2007-02-02ACPICA: use new ACPI headers.Alexey Starikovskiy
Signed-off-by: Len Brown <len.brown@intel.com>
2007-02-02ACPICA: Update version to 20061011Bob Moore
Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2007-02-02ACPICA: Use manifest constants for parse pass numberBob Moore
Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2007-02-02ACPICA: Fix race condition with AcpiWalkNamespace.Bob Moore
Fixed a problem with a possible race condition between threads executing AcpiWalkNamespace and the AML interpreter. This condition was removed by modifying AcpiWalkNamespace to (by default) ignore all temporary namespace entries created during any concurrent control method execution Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2007-02-02ACPICA: Restructured module into multiple functions.Mikhail Kouzmich
Restructured the AML ParseLoop function, breaking it into several subfunctions in order to reduce CPU stack use and improve maintainability Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2007-02-02ACPICA: Update version to 20060927Bob Moore
Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2007-02-02ACPICA: Add new subsystem state bit that is set after SubsystemInitialize is ↵Bob Moore
called Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2007-02-02ACPICA: Remove obsolete Flags parameter.Bob Moore
Remove flags parameter for acpi_{get,set}_register(). It is no longer necessary now that these functions use a spinlock for mutual exclusion. Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2007-02-02ACPICA: Add full table name to disassembler outputBob Moore
Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2007-02-02ACPICA: Update version to 20060912Bob Moore
Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2007-02-02ACPICA: New common routine for creating and verifying a local FADT.Bob Moore
Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2007-02-02ACPICA: FADT verification is now table driven.Bob Moore
Disassembler now verifies an input Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2007-02-02ACPICA: Add declarations for ASF! sub-tablesBob Moore
Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2007-02-02ACPICA: IsResourceTemplate now returns ACPI_STATUSBob Moore
to differentiate the failure modes. Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2007-02-02ACPICA: re-factor table init routines for benefit of iASLBob Moore
Required new table init interface since iASL does not use RSDP/XSDT. Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2007-02-02ACPICA: add ASF commentBob Moore
Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2007-02-02ACPICA: Delete stale FADT functions outside tbfadt.c.Bob Moore
Moved all FADT-related functions to a new file, tbfadt.c. Eliminated the acpi_hw_initialize function - the FADT registers are now validated when the table is loaded. Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2007-02-02ACPICA: Re-implement interpreters' "serialized mode"Bob Moore
Enhanced the implementation of the interpreters' serialized mode (boot with "acpi_serialize" to set acpi_glb_all_methods_serialized flag.) When this mode is specified, instead of creating a serialization semaphore per control method, the interpreter lock is simply no longer released before a blocking operation during control method execution. This effectively makes the AML Interpreter single-threaded. The overhead of a semaphore per-method is eliminated. Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2007-02-02ACPICA: Update version to 20060831Bob Moore
Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2007-02-02ACPICA: Split acpi_format_exception into two partsBob Moore
Split acpi_format_exception into two parts. New function is acpi_ut_verify_exception and will be used to verify exception codes returned by user. Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2007-02-02ACPICA: Store GPE number instead of bitmaskAlexey Starikovskiy
Update internal GPE data structure to simplify debug, use gpe_number instead of register bitmask. Signed-off-by: Bob Moore <bob.moore@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2007-02-02ACPICA: Fix unalignment in acpi_ut_repair_nameBob Moore
Update interface to acpi_ut_repair_name() to avoid alignment issues on IA64 Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2007-02-02ACPICA: Disable all wake GPEs after first one recievedBob Moore
Change for GPE support: when a wake GPE is received, now all wake GPEs are immediately disabled to prevent the waking GPE from firing again, and to prevent other wake GPEs from interrupting the wake process. Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2007-02-02ACPICA: Add acpi_gpe_count global to track the number of GPE eventsBob Moore
Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2007-02-02ACPICA: Add support for DMAR tableBob Moore
Implement support for ACPI DMAR table (DMA Remapping Table) in header files and disassembler. Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2007-02-02ACPICA: minimal patch to integrate new tables into LinuxAlexey Starikovskiy
Signed-off-by: Len Brown <len.brown@intel.com>
2007-02-02ACPICA: Update comments for individual table fieldsBob Moore
comments only Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2007-02-02ACPICA: misc fixes for new Table Manager:Bob Moore
Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2007-02-02ACPICA: Implement simplified Table ManagerBob Moore
The Table Manager component has been completely redesigned and reimplemented. The new design is much simpler, and reduces the overall code and data size of the kernel-resident ACPICA by approximately 5%. Also, it is now possible to obtain the ACPI tables very early during kernel initialization, even before dynamic memory management is initialized. Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2007-02-02ACPICA: Update version to 20060721Bob Moore
Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2007-02-02ACPICA: Delete recursive feature of ACPI Global LockBob Moore
Completed a new design and implementation for the ACPI Global Lock support. On the OS side, the global lock is now treated as a standard AML mutex. Previously, multiple OS threads could acquire the global lock simultaneously, but this could cause the BIOS to be starved by the lock in cases such as the Embedded Controller driver, where there is a tight coupling between the OS and the BIOS. Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2007-01-05ACPI: use more understandable bus_id for ACPI devicesZhang Rui
Some of the ACPI devices use the internal fake hids which are exposed to userspace as devces' bus_id after sysfs conversion. To make it more friendly, we convert them to more understandable strings. For those devices w/o PNPids, we use "device:instance_no" as the bus_id instead of "PNPIDNON:instance_no". Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2007-01-02ACPI: increase ACPI_MAX_REFERENCE_COUNT for larger systemsDoug Chapman
We have some new larger ia64 systems in HP that trip over the ACPI_MAX_REFERENCE_COUNT limit which triggers a large number of these debug messages: ACPI Warning (utdelete-0397): Large Reference Count (XXX) in object e0000a0ff6797ab0 [20060707] This was increased once in the past as described in this very brief thread: http://www.mail-archive.com/linux-acpi@vger.kernel.org/msg00890.html Signed-off-by: Doug Chapman <doug.chapman@hp.com> Signed-off-by: Len Brown <len.brown@intel.com>
2006-12-21ACPI: fix Supermicro X7DB8+ Boot regressionRui Zhang
http://bugzilla.kernel.org/show_bug.cgi?id=7695 Originally we converted bind/unbind to use a new pci bridge driver. The driver will add/remove _PRT, so we can eventually remove .bind/.unbind methods. But we found that some of the _ADR-Based devices don't have _PRT, i.e. they are not managed by the new ACPI PCI bridge driver. So that .bind method is not called for some _ADR-Based devices, which leads to a failure. Now we make ACPI PCI Root Bridge Driver scan and binds all _ADR-Based devices once the driver is loaded, in the .add method of ACPI PCI Root Bridge driver. Extra code path for calling .bind/.unbind when _ADR-Based devices are hot added/removed is also added. Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2006-12-20ACPI: Add support for acpi_load_table/acpi_unload_table_idJohn Keller
Make acpi_load_table() available for use by removing it from the #ifdef ACPI_FUTURE_USAGE. Also add a new routine used to unload an ACPI table of a given type and "id" - acpi_unload_table_id(). The implementation of this new routine was almost a direct copy of existing routine acpi_unload_table() - only difference being that it only removes a specific table id instead of ALL tables of a given type. The SN hotplug driver (sgi_hotplug.c) now uses both of these interfaces to dynamically load and unload SSDT ACPI tables. Also, a few other ACPI routines now used by the SN hotplug driver are exported (since the driver can be a loadable module): acpi_ns_map_handle_to_node acpi_ns_convert_entry_to_handle acpi_ns_get_next_node Signed-off-by: Aaron Young <ayoung@sgi.com> Cc: Greg KH <greg@kroah.com> Cc: "Luck, Tony" <tony.luck@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Len Brown <len.brown@intel.com>
2006-12-15ACPI: Set fake hid for non-PNPID ACPI devicesZhang Rui
We do this mainly because: 1. hid is used to match ACPI devices and drivers. .match method which is incompatible to driver model can be deleted from acpi_driver.ops then. 2. As the .uevent method mark ACPI drivers by PNPID, fake hid is set to non-PNPID devices so that udev script can load the right ACPI driver by looking for "HWID = " or "COMPTID = ". Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2006-12-15ACPI: add acpi_bus_removal_type in acpi_deviceLi Shaohua
Add removal_type in structure acpi_device for hot removal. ACPI_BUS_REMOVAL_EJECT is used for ACPI device hot removal. Only one parameter is allowed in .remove method due to driver model. So removal_type is added to indicate different removal type. Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2006-12-15ACPI: add acpi_bus_ops in acpi_deviceLi Shaohua
Add acpi_bus_ops in acpi_device to support acpi hot plug. NOTE: Two methods .add and .start in acpi_driver.ops are called separately to probe ACPI devices, while only .probe method is called in driver model. As executing .add and .start separately is critical for ACPI device hot plug, we use acpi_bus_ops to distinguish different code path. Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2006-12-15ACPI: convert to sysfs frameworkPatrick Mochel
Setup new sysfs framework 1. Remove /sys/firmware/acpi 2. Add ACPI device in device tree. File "eject" for every device that has _EJ0 method is moved from /sys/firmware to /sys/devices. Operation on this file is exactly the same as before. i.e. echo 1 to "eject" will cause hot removal of this device. Corresponding changes should be made in userspace for hot removal. Signed-off-by: Li Shaohua <shaohua.li@intel.com> Signed-off-by: Zhang Rui<rui.zhang@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2006-12-15ACPI: change registration interface to follow driver modelPatrick Mochel
ACPI device/driver registration Interfaces are modified to follow Linux driver model. Signed-off-by: Li Shaohua <shaohua.li@intel.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2006-12-15ACPI: add ACPI bus_type for driver modelPatrick Mochel
Add ACPI bus_type for Linux driver model. 1. .shutdown method is added into acpi_driver.ops needed by bus_type operations. 2. remove useless parameter 'int state' in .resume method. 3. change parameter 'int state' to 'pm_message_t state' in .suspend method. Note: The new .uevent method mark ACPI drivers by PNPID instead of by name. Udev script needs to look for "HWID=" or "COMPTID=" to load ACPI drivers as a result. Signed-off-by: Li Shaohua <shaohua.li@intel.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2006-12-15ACPI: add device_driver and hepler functionsPatrick Mochel
Add device_driver into acpi_driver for driver model. Add helper functions 'to_acpi_device' and 'to_acpi_driver' to get structure acpi_device/acpi_driver by device/device_driver. Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2006-12-07[PATCH] slab: remove kmem_cache_tChristoph Lameter
Replace all uses of kmem_cache_t with struct kmem_cache. The patch was generated using the following script: #!/bin/sh # # Replace one string by another in all the kernel sources. # set -e for file in `find * -name "*.c" -o -name "*.h"|xargs grep -l $1`; do quilt add $file sed -e "1,\$s/$1/$2/g" $file >/tmp/$$ mv /tmp/$$ $file quilt refresh done The script was run like this sh replace kmem_cache_t "struct kmem_cache" Signed-off-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-12-01ACPI: Change ACPI to use dev_archdata instead of firmware_dataBenjamin Herrenschmidt
Change ACPI to use dev_archdata instead of firmware_data This patch changes ACPI to use the new dev_archdata on i386, x86_64 and ia64 (is there any other arch using ACPI ?) to store it's acpi_handle. It also removes the firmware_data field from struct device as this was the only user. Only build-tested on x86 Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Len Brown <lenb@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-10-14ACPI: Processor native C-states using MWAITVenkatesh Pallipadi
Intel processors starting with the Core Duo support support processor native C-state using the MWAIT instruction. Refer: Intel Architecture Software Developer's Manual http://www.intel.com/design/Pentium4/manuals/253668.htm Platform firmware exports the support for Native C-state to OS using ACPI _PDC and _CST methods. Refer: Intel Processor Vendor-Specific ACPI: Interface Specification http://www.intel.com/technology/iapc/acpi/downloads/302223.htm With Processor Native C-state, we use 'MWAIT' instruction on the processor to enter different C-states (C1, C2, C3). We won't use the special IO ports to enter C-state and no SMM mode etc required to enter C-state. Overall this will mean better C-state support. One major advantage of using MWAIT for all C-states is, with this and "treat interrupt as break event" feature of MWAIT, we can now get accurate timing for the time spent in C1, C2, .. states. Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Len Brown <len.brown@intel.com>
2006-10-10ACPI: Allow setting SCI_EN bit in PM1_CONTROL registerLinus Torvalds
This is needed by at least the Mac Mini's, which (incorrectly) come back from suspend with SCI_EN clear. Thanks to Frédéric Riss for hunting this down. Acked-by: Frédéric Riss <frederic.riss@gmail.com> Cc: Pavel Machek <pavel@ucw.cz> Cc: Len Brown <len.brown@intel.com> Cc: Arjan van de Ven <arjan@infradead.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-07-10Pull acpi_os_allocate into test branchLen Brown
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