diff options
Diffstat (limited to 'drivers/scsi/aic7xxx')
| -rw-r--r-- | drivers/scsi/aic7xxx/aic7770.c | 9 | ||||
| -rw-r--r-- | drivers/scsi/aic7xxx/aic7770_osm.c | 192 | ||||
| -rw-r--r-- | drivers/scsi/aic7xxx/aic79xx_osm.c | 18 | ||||
| -rw-r--r-- | drivers/scsi/aic7xxx/aic79xx_osm.h | 17 | ||||
| -rw-r--r-- | drivers/scsi/aic7xxx/aic79xx_pci.c | 2 | ||||
| -rw-r--r-- | drivers/scsi/aic7xxx/aic7xxx.h | 9 | ||||
| -rw-r--r-- | drivers/scsi/aic7xxx/aic7xxx_core.c | 75 | ||||
| -rw-r--r-- | drivers/scsi/aic7xxx/aic7xxx_osm.c | 883 | ||||
| -rw-r--r-- | drivers/scsi/aic7xxx/aic7xxx_osm.h | 93 | ||||
| -rw-r--r-- | drivers/scsi/aic7xxx/aic7xxx_osm_pci.c | 45 | ||||
| -rw-r--r-- | drivers/scsi/aic7xxx/aic7xxx_pci.c | 8 | ||||
| -rw-r--r-- | drivers/scsi/aic7xxx/aic7xxx_proc.c | 33 | ||||
| -rw-r--r-- | drivers/scsi/aic7xxx/aicasm/aicasm.c | 4 | ||||
| -rw-r--r-- | drivers/scsi/aic7xxx/aicasm/aicasm_insformat.h | 8 |
14 files changed, 375 insertions, 1021 deletions
diff --git a/drivers/scsi/aic7xxx/aic7770.c b/drivers/scsi/aic7xxx/aic7770.c index 92703bb3598..00f3bd1e181 100644 --- a/drivers/scsi/aic7xxx/aic7770.c +++ b/drivers/scsi/aic7xxx/aic7770.c @@ -254,19 +254,12 @@ aic7770_config(struct ahc_softc *ahc, struct aic7770_identity *entry, u_int io) if (error != 0) return (error); - ahc_list_lock(&l); - /* - * Link this softc in with all other ahc instances. - */ - ahc_softc_insert(ahc); + ahc->init_level++; /* * Enable the board's BUS drivers */ ahc_outb(ahc, BCTL, ENABLE); - - ahc_list_unlock(&l); - return (0); } diff --git a/drivers/scsi/aic7xxx/aic7770_osm.c b/drivers/scsi/aic7xxx/aic7770_osm.c index 682ca0b32b4..70c5fb59c9e 100644 --- a/drivers/scsi/aic7xxx/aic7770_osm.c +++ b/drivers/scsi/aic7xxx/aic7770_osm.c @@ -44,109 +44,6 @@ #include <linux/device.h> #include <linux/eisa.h> -#define EISA_MFCTR_CHAR0(ID) (char)(((ID>>26) & 0x1F) | '@') /* Bits 26-30 */ -#define EISA_MFCTR_CHAR1(ID) (char)(((ID>>21) & 0x1F) | '@') /* Bits 21-25 */ -#define EISA_MFCTR_CHAR2(ID) (char)(((ID>>16) & 0x1F) | '@') /* Bits 16-20 */ -#define EISA_PRODUCT_ID(ID) (short)((ID>>4) & 0xFFF) /* Bits 4-15 */ -#define EISA_REVISION_ID(ID) (uint8_t)(ID & 0x0F) /* Bits 0-3 */ - -static int aic7770_eisa_dev_probe(struct device *dev); -static int aic7770_eisa_dev_remove(struct device *dev); -static struct eisa_driver aic7770_driver = { - .driver = { - .name = "aic7xxx", - .probe = aic7770_eisa_dev_probe, - .remove = aic7770_eisa_dev_remove, - } -}; - -typedef struct device *aic7770_dev_t; - -static int aic7770_linux_config(struct aic7770_identity *entry, - aic7770_dev_t dev, u_int eisaBase); - -int -ahc_linux_eisa_init(void) -{ - struct eisa_device_id *eid; - struct aic7770_identity *id; - int i; - - if (aic7xxx_probe_eisa_vl == 0) - return -ENODEV; - - /* - * Linux requires the EISA IDs to be specified in - * the EISA ID string format. Perform the conversion - * and setup a table with a NUL terminal entry. - */ - aic7770_driver.id_table = malloc(sizeof(struct eisa_device_id) * - (ahc_num_aic7770_devs + 1), - M_DEVBUF, M_NOWAIT); - if (aic7770_driver.id_table == NULL) - return -ENOMEM; - - for (eid = (struct eisa_device_id *)aic7770_driver.id_table, - id = aic7770_ident_table, i = 0; - i < ahc_num_aic7770_devs; eid++, id++, i++) { - - sprintf(eid->sig, "%c%c%c%03X%01X", - EISA_MFCTR_CHAR0(id->full_id), - EISA_MFCTR_CHAR1(id->full_id), - EISA_MFCTR_CHAR2(id->full_id), - EISA_PRODUCT_ID(id->full_id), - EISA_REVISION_ID(id->full_id)); - eid->driver_data = i; - } - eid->sig[0] = 0; - - return eisa_driver_register(&aic7770_driver); -} - -void -ahc_linux_eisa_exit(void) -{ - if(aic7xxx_probe_eisa_vl != 0 && aic7770_driver.id_table != NULL) { - eisa_driver_unregister(&aic7770_driver); - free(aic7770_driver.id_table, M_DEVBUF); - } -} - -static int -aic7770_linux_config(struct aic7770_identity *entry, aic7770_dev_t dev, - u_int eisaBase) -{ - struct ahc_softc *ahc; - char buf[80]; - char *name; - int error; - - /* - * Allocate a softc for this card and - * set it up for attachment by our - * common detect routine. - */ - sprintf(buf, "ahc_eisa:%d", eisaBase >> 12); - name = malloc(strlen(buf) + 1, M_DEVBUF, M_NOWAIT); - if (name == NULL) - return (ENOMEM); - strcpy(name, buf); - ahc = ahc_alloc(&aic7xxx_driver_template, name); - if (ahc == NULL) - return (ENOMEM); - error = aic7770_config(ahc, entry, eisaBase); - if (error != 0) { - ahc->bsh.ioport = 0; - ahc_free(ahc); - return (error); - } - - dev->driver_data = (void *)ahc; - if (aic7xxx_detect_complete) - error = ahc_linux_register_host(ahc, &aic7xxx_driver_template); - return (error); -} - int aic7770_map_registers(struct ahc_softc *ahc, u_int port) { @@ -178,37 +75,78 @@ aic7770_map_int(struct ahc_softc *ahc, u_int irq) } static int -aic7770_eisa_dev_probe(struct device *dev) +aic7770_probe(struct device *dev) { - struct eisa_device *edev; + struct eisa_device *edev = to_eisa_device(dev); + u_int eisaBase = edev->base_addr+AHC_EISA_SLOT_OFFSET; + struct ahc_softc *ahc; + char buf[80]; + char *name; + int error; - edev = to_eisa_device(dev); - return (aic7770_linux_config(aic7770_ident_table + edev->id.driver_data, - dev, edev->base_addr+AHC_EISA_SLOT_OFFSET)); + sprintf(buf, "ahc_eisa:%d", eisaBase >> 12); + name = malloc(strlen(buf) + 1, M_DEVBUF, M_NOWAIT); + if (name == NULL) + return (ENOMEM); + strcpy(name, buf); + ahc = ahc_alloc(&aic7xxx_driver_template, name); + if (ahc == NULL) + return (ENOMEM); + error = aic7770_config(ahc, aic7770_ident_table + edev->id.driver_data, + eisaBase); + if (error != 0) { + ahc->bsh.ioport = 0; + ahc_free(ahc); + return (error); + } + + dev_set_drvdata(dev, ahc); + + error = ahc_linux_register_host(ahc, &aic7xxx_driver_template); + return (error); } static int -aic7770_eisa_dev_remove(struct device *dev) +aic7770_remove(struct device *dev) { - struct ahc_softc *ahc; - u_long l; + struct ahc_softc *ahc = dev_get_drvdata(dev); + u_long s; - /* - * We should be able to just perform - * the free directly, but check our - * list for extra sanity. - */ - ahc_list_lock(&l); - ahc = ahc_find_softc((struct ahc_softc *)dev->driver_data); - if (ahc != NULL) { - u_long s; + ahc_lock(ahc, &s); + ahc_intr_enable(ahc, FALSE); + ahc_unlock(ahc, &s); - ahc_lock(ahc, &s); - ahc_intr_enable(ahc, FALSE); - ahc_unlock(ahc, &s); - ahc_free(ahc); + ahc_free(ahc); + return 0; +} + +static struct eisa_device_id aic7770_ids[] = { + { "ADP7771", 0 }, /* AHA 274x */ + { "ADP7756", 1 }, /* AHA 284x BIOS enabled */ + { "ADP7757", 2 }, /* AHA 284x BIOS disabled */ + { "ADP7782", 3 }, /* AHA 274x Olivetti OEM */ + { "ADP7783", 4 }, /* AHA 274x Olivetti OEM (Differential) */ + { "ADP7770", 5 }, /* AIC7770 generic */ + { "" } +}; + +static struct eisa_driver aic7770_driver = { + .id_table = aic7770_ids, + .driver = { + .name = "aic7xxx", + .probe = aic7770_probe, + .remove = aic7770_remove, } - ahc_list_unlock(&l); - - return (0); +}; + +int +ahc_linux_eisa_init(void) +{ + return eisa_driver_register(&aic7770_driver); +} + +void +ahc_linux_eisa_exit(void) +{ + eisa_driver_unregister(&aic7770_driver); } diff --git a/drivers/scsi/aic7xxx/aic79xx_osm.c b/drivers/scsi/aic7xxx/aic79xx_osm.c index 7c02b7dc709..329cb233133 100644 --- a/drivers/scsi/aic7xxx/aic79xx_osm.c +++ b/drivers/scsi/aic7xxx/aic79xx_osm.c @@ -1505,23 +1505,23 @@ ahd_linux_dev_reset(Scsi_Cmnd *cmd) memset(recovery_cmd, 0, sizeof(struct scsi_cmnd)); recovery_cmd->device = cmd->device; recovery_cmd->scsi_done = ahd_linux_dev_reset_complete; -#if AHD_DEBUG +#ifdef AHD_DEBUG if ((ahd_debug & AHD_SHOW_RECOVERY) != 0) printf("%s:%d:%d:%d: Device reset called for cmd %p\n", ahd_name(ahd), cmd->device->channel, cmd->device->id, cmd->device->lun, cmd); #endif - ahd_midlayer_entrypoint_lock(ahd, &s); + ahd_lock(ahd, &s); dev = ahd_linux_get_device(ahd, cmd->device->channel, cmd->device->id, cmd->device->lun, /*alloc*/FALSE); if (dev == NULL) { - ahd_midlayer_entrypoint_unlock(ahd, &s); + ahd_unlock(ahd, &s); kfree(recovery_cmd); return (FAILED); } if ((scb = ahd_get_scb(ahd, AHD_NEVER_COL_IDX)) == NULL) { - ahd_midlayer_entrypoint_unlock(ahd, &s); + ahd_unlock(ahd, &s); kfree(recovery_cmd); return (FAILED); } @@ -1553,7 +1553,7 @@ ahd_linux_dev_reset(Scsi_Cmnd *cmd) ahd_queue_scb(ahd, scb); scb->platform_data->flags |= AHD_SCB_UP_EH_SEM; - spin_unlock_irq(&ahd->platform_data->spin_lock); + ahd_unlock(ahd, &s); init_timer(&timer); timer.data = (u_long)scb; timer.expires = jiffies + (5 * HZ); @@ -1567,10 +1567,10 @@ ahd_linux_dev_reset(Scsi_Cmnd *cmd) printf("Timer Expired\n"); retval = FAILED; } - spin_lock_irq(&ahd->platform_data->spin_lock); + ahd_lock(ahd, &s); ahd_schedule_runq(ahd); ahd_linux_run_complete_queue(ahd); - ahd_midlayer_entrypoint_unlock(ahd, &s); + ahd_unlock(ahd, &s); printf("%s: Device reset returning 0x%x\n", ahd_name(ahd), retval); return (retval); } @@ -1591,11 +1591,11 @@ ahd_linux_bus_reset(Scsi_Cmnd *cmd) printf("%s: Bus reset called for cmd %p\n", ahd_name(ahd), cmd); #endif - ahd_midlayer_entrypoint_lock(ahd, &s); + ahd_lock(ahd, &s); found = ahd_reset_channel(ahd, cmd->device->channel + 'A', /*initiate reset*/TRUE); ahd_linux_run_complete_queue(ahd); - ahd_midlayer_entrypoint_unlock(ahd, &s); + ahd_unlock(ahd, &s); if (bootverbose) printf("%s: SCSI bus reset delivered. " diff --git a/drivers/scsi/aic7xxx/aic79xx_osm.h b/drivers/scsi/aic7xxx/aic79xx_osm.h index 605f92b6c5c..7823e52e99a 100644 --- a/drivers/scsi/aic7xxx/aic79xx_osm.h +++ b/drivers/scsi/aic7xxx/aic79xx_osm.h @@ -112,23 +112,6 @@ typedef Scsi_Cmnd *ahd_io_ctx_t; #define ahd_le32toh(x) le32_to_cpu(x) #define ahd_le64toh(x) le64_to_cpu(x) -#ifndef LITTLE_ENDIAN -#define LITTLE_ENDIAN 1234 -#endif - -#ifndef BIG_ENDIAN -#define BIG_ENDIAN 4321 -#endif - -#ifndef BYTE_ORDER -#if defined(__BIG_ENDIAN) -#define BYTE_ORDER BIG_ENDIAN -#endif -#if defined(__LITTLE_ENDIAN) -#define BYTE_ORDER LITTLE_ENDIAN -#endif -#endif /* BYTE_ORDER */ - /************************* Configuration Data *********************************/ extern uint32_t aic79xx_allow_memio; extern int aic79xx_detect_complete; diff --git a/drivers/scsi/aic7xxx/aic79xx_pci.c b/drivers/scsi/aic7xxx/aic79xx_pci.c index 4c3bb7bb842..703f6e44889 100644 --- a/drivers/scsi/aic7xxx/aic79xx_pci.c +++ b/drivers/scsi/aic7xxx/aic79xx_pci.c @@ -582,7 +582,7 @@ ahd_check_extport(struct ahd_softc *ahd) } } -#if AHD_DEBUG +#ifdef AHD_DEBUG if (have_seeprom != 0 && (ahd_debug & AHD_DUMP_SEEPROM) != 0) { uint16_t *sc_data; diff --git a/drivers/scsi/aic7xxx/aic7xxx.h b/drivers/scsi/aic7xxx/aic7xxx.h index 8ff16fd8ed4..088cbc23743 100644 --- a/drivers/scsi/aic7xxx/aic7xxx.h +++ b/drivers/scsi/aic7xxx/aic7xxx.h @@ -346,7 +346,6 @@ typedef enum { * controller. */ AHC_NEWEEPROM_FMT = 0x4000, - AHC_RESOURCE_SHORTAGE = 0x8000, AHC_TQINFIFO_BLOCKED = 0x10000, /* Blocked waiting for ATIOs */ AHC_INT50_SPEEDFLEX = 0x20000, /* * Internal 50pin connector @@ -1024,9 +1023,6 @@ struct ahc_softc { struct cs *critical_sections; u_int num_critical_sections; - /* Links for chaining softcs */ - TAILQ_ENTRY(ahc_softc) links; - /* Channel Names ('A', 'B', etc.) */ char channel; char channel_b; @@ -1111,9 +1107,6 @@ struct ahc_softc { uint16_t user_tagenable;/* Tagged Queuing allowed */ }; -TAILQ_HEAD(ahc_softc_tailq, ahc_softc); -extern struct ahc_softc_tailq ahc_tailq; - /************************ Active Device Information ***************************/ typedef enum { ROLE_UNKNOWN, @@ -1199,8 +1192,6 @@ void ahc_intr_enable(struct ahc_softc *ahc, int enable); void ahc_pause_and_flushwork(struct ahc_softc *ahc); int ahc_suspend(struct ahc_softc *ahc); int ahc_resume(struct ahc_softc *ahc); -void ahc_softc_insert(struct ahc_softc *); -struct ahc_softc *ahc_find_softc(struct ahc_softc *ahc); void ahc_set_unit(struct ahc_softc *, int); void ahc_set_name(struct ahc_softc *, char *); void ahc_alloc_scbs(struct ahc_softc *ahc); diff --git a/drivers/scsi/aic7xxx/aic7xxx_core.c b/drivers/scsi/aic7xxx/aic7xxx_core.c index 9a6b4a570aa..7bc01e41bcc 100644 --- a/drivers/scsi/aic7xxx/aic7xxx_core.c +++ b/drivers/scsi/aic7xxx/aic7xxx_core.c @@ -52,9 +52,6 @@ #include <dev/aic7xxx/aicasm/aicasm_insformat.h> #endif -/****************************** Softc Data ************************************/ -struct ahc_softc_tailq ahc_tailq = TAILQ_HEAD_INITIALIZER(ahc_tailq); - /***************************** Lookup Tables **********************************/ char *ahc_chip_names[] = { @@ -3879,78 +3876,6 @@ ahc_softc_init(struct ahc_softc *ahc) } void -ahc_softc_insert(struct ahc_softc *ahc) -{ - struct ahc_softc *list_ahc; - -#if AHC_PCI_CONFIG > 0 - /* - * Second Function PCI devices need to inherit some - * settings from function 0. - */ - if ((ahc->chip & AHC_BUS_MASK) == AHC_PCI - && (ahc->features & AHC_MULTI_FUNC) != 0) { - TAILQ_FOREACH(list_ahc, &ahc_tailq, links) { - ahc_dev_softc_t list_pci; - ahc_dev_softc_t pci; - - list_pci = list_ahc->dev_softc; - pci = ahc->dev_softc; - if (ahc_get_pci_slot(list_pci) == ahc_get_pci_slot(pci) - && ahc_get_pci_bus(list_pci) == ahc_get_pci_bus(pci)) { - struct ahc_softc *master; - struct ahc_softc *slave; - - if (ahc_get_pci_function(list_pci) == 0) { - master = list_ahc; - slave = ahc; - } else { - master = ahc; - slave = list_ahc; - } - slave->flags &= ~AHC_BIOS_ENABLED; - slave->flags |= - master->flags & AHC_BIOS_ENABLED; - slave->flags &= ~AHC_PRIMARY_CHANNEL; - slave->flags |= - master->flags & AHC_PRIMARY_CHANNEL; - break; - } - } - } -#endif - - /* - * Insertion sort into our list of softcs. - */ - list_ahc = TAILQ_FIRST(&ahc_tailq); - while (list_ahc != NULL - && ahc_softc_comp(ahc, list_ahc) <= 0) - list_ahc = TAILQ_NEXT(list_ahc, links); - if (list_ahc != NULL) - TAILQ_INSERT_BEFORE(list_ahc, ahc, links); - else - TAILQ_INSERT_TAIL(&ahc_tailq, ahc, links); - ahc->init_level++; -} - -/* - * Verify that the passed in softc pointer is for a - * controller that is still configured. - */ -struct ahc_softc * -ahc_find_softc(struct ahc_softc *ahc) -{ - struct ahc_softc *list_ahc; - - TAILQ_FOREACH(list_ahc, &ahc_tailq, links) { - if (list_ahc == ahc) - return (ahc); - } - return (NULL); -} - -void ahc_set_unit(struct ahc_softc *ahc, int unit) { ahc->unit = unit; diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm.c b/drivers/scsi/aic7xxx/aic7xxx_osm.c index c13e5632001..687f19e9cf0 100644 --- a/drivers/scsi/aic7xxx/aic7xxx_osm.c +++ b/drivers/scsi/aic7xxx/aic7xxx_osm.c @@ -122,8 +122,6 @@ #include "aic7xxx_osm.h" #include "aic7xxx_inline.h" #include <scsi/scsicam.h> -#include <scsi/scsi_transport.h> -#include <scsi/scsi_transport_spi.h> static struct scsi_transport_template *ahc_linux_transport_template = NULL; @@ -138,10 +136,6 @@ static struct scsi_transport_template *ahc_linux_transport_template = NULL; #include <linux/blkdev.h> /* For block_size() */ #include <linux/delay.h> /* For ssleep/msleep */ -/* - * Lock protecting manipulation of the ahc softc list. - */ -spinlock_t ahc_list_spinlock; /* * Set this to the delay in seconds after SCSI bus reset. @@ -294,25 +288,6 @@ ahc_print_path(struct ahc_softc *ahc, struct scb *scb) static uint32_t aic7xxx_no_reset; /* - * Certain PCI motherboards will scan PCI devices from highest to lowest, - * others scan from lowest to highest, and they tend to do all kinds of - * strange things when they come into contact with PCI bridge chips. The - * net result of all this is that the PCI card that is actually used to boot - * the machine is very hard to detect. Most motherboards go from lowest - * PCI slot number to highest, and the first SCSI controller found is the - * one you boot from. The only exceptions to this are when a controller - * has its BIOS disabled. So, we by default sort all of our SCSI controllers - * from lowest PCI slot number to highest PCI slot number. We also force - * all controllers with their BIOS disabled to the end of the list. This - * works on *almost* all computers. Where it doesn't work, we have this - * option. Setting this option to non-0 will reverse the order of the sort - * to highest first, then lowest, but will still leave cards with their BIOS - * disabled at the very end. That should fix everyone up unless there are - * really strange cirumstances. - */ -static uint32_t aic7xxx_reverse_scan; - -/* * Should we force EXTENDED translation on a controller. * 0 == Use whatever is in the SEEPROM or default to off * 1 == Use whatever is in the SEEPROM or default to on @@ -332,22 +307,6 @@ static uint32_t aic7xxx_extended; static uint32_t aic7xxx_pci_parity = ~0; /* - * Certain newer motherboards have put new PCI based devices into the - * IO spaces that used to typically be occupied by VLB or EISA cards. - * This overlap can cause these newer motherboards to lock up when scanned - * for older EISA and VLB devices. Setting this option to non-0 will - * cause the driver to skip scanning for any VLB or EISA controllers and - * only support the PCI controllers. NOTE: this means that if the kernel - * os compiled with PCI support disabled, then setting this to non-0 - * would result in never finding any devices :) - */ -#ifndef CONFIG_AIC7XXX_PROBE_EISA_VL -uint32_t aic7xxx_probe_eisa_vl; -#else -uint32_t aic7xxx_probe_eisa_vl = ~0; -#endif - -/* * There are lots of broken chipsets in the world. Some of them will * violate the PCI spec when we issue byte sized memory writes to our * controller. I/O mapped register access, if allowed by the given @@ -356,13 +315,6 @@ uint32_t aic7xxx_probe_eisa_vl = ~0; uint32_t aic7xxx_allow_memio = ~0; /* - * aic7xxx_detect() has been run, so register all device arrivals - * immediately with the system rather than deferring to the sorted - * attachment performed by aic7xxx_detect(). - */ -int aic7xxx_detect_complete; - -/* * So that we can set how long each device is given as a selection timeout. * The table of values goes like this: * 0 - 256ms @@ -423,7 +375,7 @@ MODULE_PARM_DESC(aic7xxx, ); static void ahc_linux_handle_scsi_status(struct ahc_softc *, - struct ahc_linux_device *, + struct scsi_device *, struct scb *); static void ahc_linux_queue_cmd_complete(struct ahc_softc *ahc, struct scsi_cmnd *cmd); @@ -434,52 +386,24 @@ static int ahc_linux_queue_recovery_cmd(struct scsi_cmnd *cmd, scb_flag flag); static void ahc_linux_initialize_scsi_bus(struct ahc_softc *ahc); static u_int ahc_linux_user_tagdepth(struct ahc_softc *ahc, struct ahc_devinfo *devinfo); -static void ahc_linux_device_queue_depth(struct ahc_softc *ahc, - struct ahc_linux_device *dev); -static struct ahc_linux_target* ahc_linux_alloc_target(struct ahc_softc*, - u_int, u_int); -static void ahc_linux_free_target(struct ahc_softc*, - struct ahc_linux_target*); -static struct ahc_linux_device* ahc_linux_alloc_device(struct ahc_softc*, - struct ahc_linux_target*, - u_int); -static void ahc_linux_free_device(struct ahc_softc*, - struct ahc_linux_device*); +static void ahc_linux_device_queue_depth(struct scsi_device *); static int ahc_linux_run_command(struct ahc_softc*, struct ahc_linux_device *, struct scsi_cmnd *); static void ahc_linux_setup_tag_info_global(char *p); static aic_option_callback_t ahc_linux_setup_tag_info; static int aic7xxx_setup(char *s); -static int ahc_linux_next_unit(void); + +static int ahc_linux_unit; + /********************************* Inlines ************************************/ -static __inline struct ahc_linux_device* - ahc_linux_get_device(struct ahc_softc *ahc, u_int channel, - u_int target, u_int lun); static __inline void ahc_linux_unmap_scb(struct ahc_softc*, struct scb*); static __inline int ahc_linux_map_seg(struct ahc_softc *ahc, struct scb *scb, struct ahc_dma_seg *sg, dma_addr_t addr, bus_size_t len); -static __inline struct ahc_linux_device* -ahc_linux_get_device(struct ahc_softc *ahc, u_int channel, u_int target, - u_int lun) -{ - struct ahc_linux_target *targ; - struct ahc_linux_device *dev; - u_int target_offset; - - target_offset = target; - if (channel != 0) - target_offset += 8; - targ = ahc->platform_data->targets[target_offset]; - BUG_ON(targ == NULL); - dev = targ->devices[lun]; - return dev; -} - static __inline void ahc_linux_unmap_scb(struct ahc_softc *ahc, struct scb *scb) { @@ -524,59 +448,6 @@ ahc_linux_map_seg(struct ahc_softc *ahc, struct scb *scb, } /* - * Try to detect an Adaptec 7XXX controller. - */ -static int -ahc_linux_detect(struct scsi_host_template *template) -{ - struct ahc_softc *ahc; - int found = 0; - - /* - * Sanity checking of Linux SCSI data structures so - * that some of our hacks^H^H^H^H^Hassumptions aren't - * violated. - */ - if (offsetof(struct ahc_cmd_internal, end) - > offsetof(struct scsi_cmnd, host_scribble)) { - printf("ahc_linux_detect: SCSI data structures changed.\n"); - printf("ahc_linux_detect: Unable to attach\n"); - return (0); - } - /* - * If we've been passed any parameters, process them now. - */ - if (aic7xxx) - aic7xxx_setup(aic7xxx); - - template->proc_name = "aic7xxx"; - - /* - * Initialize our softc list lock prior to - * probing for any adapters. - */ - ahc_list_lockinit(); - - found = ahc_linux_pci_init(); - if (!ahc_linux_eisa_init()) - found++; - - /* - * Register with the SCSI layer all - * controllers we've found. - */ - TAILQ_FOREACH(ahc, &ahc_tailq, links) { - - if (ahc_linux_register_host(ahc, template) == 0) - found++; - } - - aic7xxx_detect_complete++; - - return (found); -} - -/* * Return a string describing the driver. */ static const char * @@ -611,7 +482,7 @@ static int ahc_linux_queue(struct scsi_cmnd * cmd, void (*scsi_done) (struct scsi_cmnd *)) { struct ahc_softc *ahc; - struct ahc_linux_device *dev; + struct ahc_linux_device *dev = scsi_transport_device_data(cmd->device); ahc = *(struct ahc_softc **)cmd->device->host->hostdata; @@ -629,132 +500,177 @@ ahc_linux_queue(struct scsi_cmnd * cmd, void (*scsi_done) (struct scsi_cmnd *)) if (ahc->platform_data->qfrozen != 0) return SCSI_MLQUEUE_HOST_BUSY; - dev = ahc_linux_get_device(ahc, cmd->device->channel, cmd->device->id, - cmd->device->lun); - BUG_ON(dev == NULL); - cmd->result = CAM_REQ_INPROG << 16; return ahc_linux_run_command(ahc, dev, cmd); } -static int -ahc_linux_slave_alloc(struct scsi_device *device) +static inline struct scsi_target ** +ahc_linux_target_in_softc(struct scsi_target *starget) { - struct ahc_softc *ahc; - struct ahc_linux_target *targ; - struct scsi_target *starget = device->sdev_target; - struct ahc_linux_device *dev; + struct ahc_softc *ahc = + *((struct ahc_softc **)dev_to_shost(&starget->dev)->hostdata); unsigned int target_offset; + + target_offset = starget->id; + if (starget->channel != 0) + target_offset += 8; + + return &ahc->platform_data->starget[target_offset]; +} + +static int +ahc_linux_target_alloc(struct scsi_target *starget) +{ + struct ahc_softc *ahc = + *((struct ahc_softc **)dev_to_shost(&starget->dev)->hostdata); + struct seeprom_config *sc = ahc->seep_config; unsigned long flags; - int retval = -ENOMEM; + struct scsi_target **ahc_targp = ahc_linux_target_in_softc(starget); + struct ahc_linux_target *targ = scsi_transport_target_data(starget); + unsigned short scsirate; + struct ahc_devinfo devinfo; + struct ahc_initiator_tinfo *tinfo; + struct ahc_tmode_tstate *tstate; + char channel = starget->channel + 'A'; + unsigned int our_id = ahc->our_id; + unsigned int target_offset; target_offset = starget->id; if (starget->channel != 0) target_offset += 8; + + if (starget->channel) + our_id = ahc->our_id_b; - ahc = *((struct ahc_softc **)device->host->hostdata); - if (bootverbose) - printf("%s: Slave Alloc %d\n", ahc_name(ahc), device->id); ahc_lock(ahc, &flags); - targ = ahc->platform_data->targets[target_offset]; - if (targ == NULL) { - struct seeprom_config *sc; - targ = ahc_linux_alloc_target(ahc, starget->channel, - starget->id); - sc = ahc->seep_config; - if (targ == NULL) - goto out; + BUG_ON(*ahc_targp != NULL); - if (sc) { - unsigned short scsirate; - struct ahc_devinfo devinfo; - struct ahc_initiator_tinfo *tinfo; - struct ahc_tmode_tstate *tstate; - char channel = starget->channel + 'A'; - unsigned int our_id = ahc->our_id; - - if (starget->channel) - our_id = ahc->our_id_b; + *ahc_targp = starget; + memset(targ, 0, sizeof(*targ)); - if ((ahc->features & AHC_ULTRA2) != 0) { - scsirate = sc->device_flags[target_offset] & CFXFER; - } else { - scsirate = (sc->device_flags[target_offset] & CFXFER) << 4; - if (sc->device_flags[target_offset] & CFSYNCH) - scsirate |= SOFS; - } - if (sc->device_flags[target_offset] & CFWIDEB) { - scsirate |= WIDEXFER; - spi_max_width(starget) = 1; - } else - spi_max_width(starget) = 0; - spi_min_period(starget) = - ahc_find_period(ahc, scsirate, AHC_SYNCRATE_DT); - tinfo = ahc_fetch_transinfo(ahc, channel, ahc->our_id, - targ->target, &tstate); - ahc_compile_devinfo(&devinfo, our_id, targ->target, - CAM_LUN_WILDCARD, channel, - ROLE_INITIATOR); - ahc_set_syncrate(ahc, &devinfo, NULL, 0, 0, 0, - AHC_TRANS_GOAL, /*paused*/FALSE); - ahc_set_width(ahc, &devinfo, MSG_EXT_WDTR_BUS_8_BIT, - AHC_TRANS_GOAL, /*paused*/FALSE); + if (sc) { + int maxsync = AHC_SYNCRATE_DT; + int ultra = 0; + int flags = sc->device_flags[target_offset]; + + if (ahc->flags & AHC_NEWEEPROM_FMT) { + if (flags & CFSYNCHISULTRA) + ultra = 1; + } else if (flags & CFULTRAEN) + ultra = 1; + /* AIC nutcase; 10MHz appears as ultra = 1, CFXFER = 0x04 + * change it to ultra=0, CFXFER = 0 */ + if(ultra && (flags & CFXFER) == 0x04) { + ultra = 0; + flags &= ~CFXFER; } - - } - dev = targ->devices[device->lun]; - if (dev == NULL) { - dev = ahc_linux_alloc_device(ahc, targ, device->lun); - if (dev == NULL) - goto out; + + if ((ahc->features & AHC_ULTRA2) != 0) { + scsirate = (flags & CFXFER) | (ultra ? 0x8 : 0); + } else { + scsirate = (flags & CFXFER) << 4; + maxsync = ultra ? AHC_SYNCRATE_ULTRA : + AHC_SYNCRATE_FAST; + } + spi_max_width(starget) = (flags & CFWIDEB) ? 1 : 0; + if (!(flags & CFSYNCH)) + spi_max_offset(starget) = 0; + spi_min_period(starget) = + ahc_find_period(ahc, scsirate, maxsync); + + tinfo = ahc_fetch_transinfo(ahc, channel, ahc->our_id, + starget->id, &tstate); } - retval = 0; - - out: + ahc_compile_devinfo(&devinfo, our_id, starget->id, + CAM_LUN_WILDCARD, channel, + ROLE_INITIATOR); + ahc_set_syncrate(ahc, &devinfo, NULL, 0, 0, 0, + AHC_TRANS_GOAL, /*paused*/FALSE); + ahc_set_width(ahc, &devinfo, MSG_EXT_WDTR_BUS_8_BIT, + AHC_TRANS_GOAL, /*paused*/FALSE); ahc_unlock(ahc, &flags); - return retval; + + return 0; +} + +static void +ahc_linux_target_destroy(struct scsi_target *starget) +{ + struct scsi_target **ahc_targp = ahc_linux_target_in_softc(starget); + + *ahc_targp = NULL; +} + +static int +ahc_linux_slave_alloc(struct scsi_device *sdev) +{ + struct ahc_softc *ahc = + *((struct ahc_softc **)sdev->host->hostdata); + struct scsi_target *starget = sdev->sdev_target; + struct ahc_linux_target *targ = scsi_transport_target_data(starget); + struct ahc_linux_device *dev; + + if (bootverbose) + printf("%s: Slave Alloc %d\n", ahc_name(ahc), sdev->id); + + BUG_ON(targ->sdev[sdev->lun] != NULL); + + dev = scsi_transport_device_data(sdev); + memset(dev, 0, sizeof(*dev)); + + /* + * We start out life using untagged + * transactions of which we allow one. + */ + dev->openings = 1; + + /* + * Set maxtags to 0. This will be changed if we + * later determine that we are dealing with + * a tagged queuing capable device. + */ + dev->maxtags = 0; + + targ->sdev[sdev->lun] = sdev; + + return 0; } static int -ahc_linux_slave_configure(struct scsi_device *device) +ahc_linux_slave_configure(struct scsi_device *sdev) { struct ahc_softc *ahc; - struct ahc_linux_device *dev; - ahc = *((struct ahc_softc **)device->host->hostdata); + ahc = *((struct ahc_softc **)sdev->host->hostdata); if (bootverbose) - printf("%s: Slave Configure %d\n", ahc_name(ahc), device->id); + printf("%s: Slave Configure %d\n", ahc_name(ahc), sdev->id); - dev = ahc_linux_get_device(ahc, device->channel, device->id, - device->lun); - dev->scsi_device = device; - ahc_linux_device_queue_depth(ahc, dev); + ahc_linux_device_queue_depth(sdev); /* Initial Domain Validation */ - if (!spi_initial_dv(device->sdev_target)) - spi_dv_device(device); + if (!spi_initial_dv(sdev->sdev_target)) + spi_dv_device(sdev); return 0; } static void -ahc_linux_slave_destroy(struct scsi_device *device) +ahc_linux_slave_destroy(struct scsi_device *sdev) { struct ahc_softc *ahc; - struct ahc_linux_device *dev; + struct ahc_linux_device *dev = scsi_transport_device_data(sdev); + struct ahc_linux_target *targ = scsi_transport_target_data(sdev->sdev_target); - ahc = *((struct ahc_softc **)device->host->hostdata); + ahc = *((struct ahc_softc **)sdev->host->hostdata); if (bootverbose) - printf("%s: Slave Destroy %d\n", ahc_name(ahc), device->id); - dev = ahc_linux_get_device(ahc, device->channel, - device->id, device->lun); + printf("%s: Slave Destroy %d\n", ahc_name(ahc), sdev->id); BUG_ON(dev->active); - ahc_linux_free_device(ahc, dev); + targ->sdev[sdev->lun] = NULL; } #if defined(__i386__) @@ -843,10 +759,14 @@ ahc_linux_bus_reset(struct scsi_cmnd *cmd) { struct ahc_softc *ahc; int found; + unsigned long flags; ahc = *(struct ahc_softc **)cmd->device->host->hostdata; + + ahc_lock(ahc, &flags); found = ahc_reset_channel(ahc, cmd->device->channel + 'A', /*initiate reset*/TRUE); + ahc_unlock(ahc, &flags); if (bootverbose) printf("%s: SCSI bus reset delivered. " @@ -858,6 +778,7 @@ ahc_linux_bus_reset(struct scsi_cmnd *cmd) struct scsi_host_template aic7xxx_driver_template = { .module = THIS_MODULE, .name = "aic7xxx", + .proc_name = "aic7xxx", .proc_info = ahc_linux_proc_info, .info = ahc_linux_info, .queuecommand = ahc_linux_queue, @@ -874,6 +795,8 @@ struct scsi_host_template aic7xxx_driver_template = { .slave_alloc = ahc_linux_slave_alloc, .slave_configure = ahc_linux_slave_configure, .slave_destroy = ahc_linux_slave_destroy, + .target_alloc = ahc_linux_target_alloc, + .target_destroy = ahc_linux_target_destroy, }; /**************************** Tasklet Handler *********************************/ @@ -967,99 +890,6 @@ ahc_dmamap_unload(struct ahc_softc *ahc, bus_dma_tag_t dmat, bus_dmamap_t map) return (0); } -/********************* Platform Dependent Functions ***************************/ -/* - * Compare "left hand" softc with "right hand" softc, returning: - * < 0 - lahc has a lower priority than rahc - * 0 - Softcs are equal - * > 0 - lahc has a higher priority than rahc - */ -int -ahc_softc_comp(struct ahc_softc *lahc, struct ahc_softc *rahc) -{ - int value; - int rvalue; - int lvalue; - - /* - * Under Linux, cards are ordered as follows: - * 1) VLB/EISA BIOS enabled devices sorted by BIOS address. - * 2) PCI devices with BIOS enabled sorted by bus/slot/func. - * 3) All remaining VLB/EISA devices sorted by ioport. - * 4) All remaining PCI devices sorted by bus/slot/func. - */ - value = (lahc->flags & AHC_BIOS_ENABLED) - - (rahc->flags & AHC_BIOS_ENABLED); - if (value != 0) - /* Controllers with BIOS enabled have a *higher* priority */ - return (value); - - /* - * Same BIOS setting, now sort based on bus type. - * EISA and VL controllers sort together. EISA/VL - * have higher priority than PCI. - */ - rvalue = (rahc->chip & AHC_BUS_MASK); - if (rvalue == AHC_VL) - rvalue = AHC_EISA; - lvalue = (lahc->chip & AHC_BUS_MASK); - if (lvalue == AHC_VL) - lvalue = AHC_EISA; - value = rvalue - lvalue; - if (value != 0) - return (value); - - /* Still equal. Sort by BIOS address, ioport, or bus/slot/func. */ - switch (rvalue) { -#ifdef CONFIG_PCI - case AHC_PCI: - { - char primary_channel; - - if (aic7xxx_reverse_scan != 0) - value = ahc_get_pci_bus(lahc->dev_softc) - - ahc_get_pci_bus(rahc->dev_softc); - else - value = ahc_get_pci_bus(rahc->dev_softc) - - ahc_get_pci_bus(lahc->dev_softc); - if (value != 0) - break; - if (aic7xxx_reverse_scan != 0) - value = ahc_get_pci_slot(lahc->dev_softc) - - ahc_get_pci_slot(rahc->dev_softc); - else - value = ahc_get_pci_slot(rahc->dev_softc) - - ahc_get_pci_slot(lahc->dev_softc); - if (value != 0) - break; - /* - * On multi-function devices, the user can choose - * to have function 1 probed before function 0. - * Give whichever channel is the primary channel - * the highest priority. - */ - primary_channel = (lahc->flags & AHC_PRIMARY_CHANNEL) + 'A'; - value = -1; - if (lahc->channel == primary_channel) - value = 1; - break; - } -#endif - case AHC_EISA: - if ((rahc->flags & AHC_BIOS_ENABLED) != 0) { - value = rahc->platform_data->bios_address - - lahc->platform_data->bios_address; - } else { - value = rahc->bsh.ioport - - lahc->bsh.ioport; - } - break; - default: - panic("ahc_softc_sort: invalid bus type"); - } - return (value); -} - static void ahc_linux_setup_tag_info_global(char *p) { @@ -1111,9 +941,6 @@ aic7xxx_setup(char *s) #ifdef AHC_DEBUG { "debug", &ahc_debug }, #endif - { "reverse_scan", &aic7xxx_reverse_scan }, - { "no_probe", &aic7xxx_probe_eisa_vl }, - { "probe_eisa_vl", &aic7xxx_probe_eisa_vl }, { "periodic_otag", &aic7xxx_periodic_otag }, { "pci_parity", &aic7xxx_pci_parity }, { "seltime", &aic7xxx_seltime }, @@ -1188,7 +1015,7 @@ ahc_linux_register_host(struct ahc_softc *ahc, struct scsi_host_template *templa host->max_lun = AHC_NUM_LUNS; host->max_channel = (ahc->features & AHC_TWIN) ? 1 : 0; host->sg_tablesize = AHC_NSEG; - ahc_set_unit(ahc, ahc_linux_next_unit()); + ahc_set_unit(ahc, ahc_linux_unit++); sprintf(buf, "scsi%d", host->host_no); new_name = malloc(strlen(buf) + 1, M_DEVBUF, M_NOWAIT); if (new_name != NULL) { @@ -1217,29 +1044,6 @@ ahc_linux_get_memsize(void) } /* - * Find the smallest available unit number to use - * for a new device. We don't just use a static - * count to handle the "repeated hot-(un)plug" - * scenario. - */ -static int -ahc_linux_next_unit(void) -{ - struct ahc_softc *ahc; - int unit; - - unit = 0; -retry: - TAILQ_FOREACH(ahc, &ahc_tailq, links) { - if (ahc->unit == unit) { - unit++; - goto retry; - } - } - return (unit); -} - -/* * Place the SCSI bus into a known state by either resetting it, * or forcing transfer negotiations on the next command to any * target. @@ -1335,8 +1139,7 @@ ahc_platform_alloc(struct ahc_softc *ahc, void *platform_arg) void ahc_platform_free(struct ahc_softc *ahc) { - struct ahc_linux_target *targ; - struct ahc_linux_device *dev; + struct scsi_target *starget; int i, j; if (ahc->platform_data != NULL) { @@ -1347,22 +1150,17 @@ ahc_platform_free(struct ahc_softc *ahc) /* destroy all of the device and target objects */ for (i = 0; i < AHC_NUM_TARGETS; i++) { - targ = ahc->platform_data->targets[i]; - if (targ != NULL) { - /* Keep target around through the loop. */ - targ->refcount++; + starget = ahc->platform_data->starget[i]; + if (starget != NULL) { for (j = 0; j < AHC_NUM_LUNS; j++) { + struct ahc_linux_target *targ = + scsi_transport_target_data(starget); - if (targ->devices[j] == NULL) + if (targ->sdev[j] == NULL) continue; - dev = targ->devices[j]; - ahc_linux_free_device(ahc, dev); + targ->sdev[j] = NULL; } - /* - * Forcibly free the target now that - * all devices are gone. - */ - ahc_linux_free_target(ahc, targ); + ahc->platform_data->starget[i] = NULL; } } @@ -1395,15 +1193,25 @@ void ahc_platform_set_tags(struct ahc_softc *ahc, struct ahc_devinfo *devinfo, ahc_queue_alg alg) { + struct scsi_target *starget; + struct ahc_linux_target *targ; struct ahc_linux_device *dev; + struct scsi_device *sdev; + u_int target_offset; int was_queuing; int now_queuing; - dev = ahc_linux_get_device(ahc, devinfo->channel - 'A', - devinfo->target, - devinfo->lun); - if (dev == NULL) + target_offset = devinfo->target; + if (devinfo->channel != 'A') + target_offset += 8; + starget = ahc->platform_data->starget[target_offset]; + targ = scsi_transport_target_data(starget); + BUG_ON(targ == NULL); + sdev = targ->sdev[devinfo->lun]; + if (sdev == NULL) return; + dev = scsi_transport_device_data(sdev); + was_queuing = dev->flags & (AHC_DEV_Q_BASIC|AHC_DEV_Q_TAGGED); switch (alg) { default: @@ -1454,30 +1262,24 @@ ahc_platform_set_tags(struct ahc_softc *ahc, struct ahc_devinfo *devinfo, dev->maxtags = 0; dev->openings = 1 - dev->active; } - if (dev->scsi_device != NULL) { - switch ((dev->flags & (AHC_DEV_Q_BASIC|AHC_DEV_Q_TAGGED))) { - case AHC_DEV_Q_BASIC: - scsi_adjust_queue_depth(dev->scsi_device, - MSG_SIMPLE_TASK, - dev->openings + dev->active); - break; - case AHC_DEV_Q_TAGGED: - scsi_adjust_queue_depth(dev->scsi_device, - MSG_ORDERED_TASK, - dev->openings + dev->active); - break; - default: - /* - * We allow the OS to queue 2 untagged transactions to - * us at any time even though we can only execute them - * serially on the controller/device. This should - * remove some latency. - */ - scsi_adjust_queue_depth(dev->scsi_device, - /*NON-TAGGED*/0, - /*queue depth*/2); - break; - } + switch ((dev->flags & (AHC_DEV_Q_BASIC|AHC_DEV_Q_TAGGED))) { + case AHC_DEV_Q_BASIC: + scsi_set_tag_type(sdev, MSG_SIMPLE_TAG); + scsi_activate_tcq(sdev, dev->openings + dev->active); + break; + case AHC_DEV_Q_TAGGED: + scsi_set_tag_type(sdev, MSG_ORDERED_TAG); + scsi_activate_tcq(sdev, dev->openings + dev->active); + break; + default: + /* + * We allow the OS to queue 2 untagged transactions to + * us at any time even though we can only execute them + * serially on the controller/device. This should + * remove some latency. + */ + scsi_deactivate_tcq(sdev, 2); + break; } } @@ -1523,22 +1325,20 @@ ahc_linux_user_tagdepth(struct ahc_softc *ahc, struct ahc_devinfo *devinfo) * Determines the queue depth for a given device. */ static void -ahc_linux_device_queue_depth(struct ahc_softc *ahc, - struct ahc_linux_device *dev) +ahc_linux_device_queue_depth(struct scsi_device *sdev) { struct ahc_devinfo devinfo; u_int tags; + struct ahc_softc *ahc = *((struct ahc_softc **)sdev->host->hostdata); ahc_compile_devinfo(&devinfo, - dev->target->channel == 0 + sdev->sdev_target->channel == 0 ? ahc->our_id : ahc->our_id_b, - dev->target->target, dev->lun, - dev->target->channel == 0 ? 'A' : 'B', + sdev->sdev_target->id, sdev->lun, + sdev->sdev_target->channel == 0 ? 'A' : 'B', ROLE_INITIATOR); tags = ahc_linux_user_tagdepth(ahc, &devinfo); - if (tags != 0 - && dev->scsi_device != NULL - && dev->scsi_device->tagged_supported != 0) { + if (tags != 0 && sdev->tagged_supported != 0) { ahc_set_tags(ahc, &devinfo, AHC_QUEUE_TAGGED); ahc_print_devinfo(ahc, &devinfo); @@ -1587,10 +1387,9 @@ ahc_linux_run_command(struct ahc_softc *ahc, struct ahc_linux_device *dev, /* * Get an scb to use. */ - if ((scb = ahc_get_scb(ahc)) == NULL) { - ahc->flags |= AHC_RESOURCE_SHORTAGE; - return SCSI_MLQUEUE_HOST_BUSY; - } + scb = ahc_get_scb(ahc); + if (!scb) + return SCSI_MLQUEUE_HOST_BUSY; scb->io_ctx = cmd; scb->platform_data->dev = dev; @@ -1767,106 +1566,6 @@ ahc_platform_flushwork(struct ahc_softc *ahc) } -static struct ahc_linux_target* -ahc_linux_alloc_target(struct ahc_softc *ahc, u_int channel, u_int target) -{ - struct ahc_linux_target *targ; - u_int target_offset; - - target_offset = target; - if (channel != 0) - target_offset += 8; - - targ = malloc(sizeof(*targ), M_DEVBUG, M_NOWAIT); - if (targ == NULL) - return (NULL); - memset(targ, 0, sizeof(*targ)); - targ->channel = channel; - targ->target = target; - targ->ahc = ahc; - ahc->platform_data->targets[target_offset] = targ; - return (targ); -} - -static void -ahc_linux_free_target(struct ahc_softc *ahc, struct ahc_linux_target *targ) -{ - struct ahc_devinfo devinfo; - struct ahc_initiator_tinfo *tinfo; - struct ahc_tmode_tstate *tstate; - u_int our_id; - u_int target_offset; - char channel; - - /* - * Force a negotiation to async/narrow on any - * future command to this device unless a bus - * reset occurs between now and that command. - */ - channel = 'A' + targ->channel; - our_id = ahc->our_id; - target_offset = targ->target; - if (targ->channel != 0) { - target_offset += 8; - our_id = ahc->our_id_b; - } - tinfo = ahc_fetch_transinfo(ahc, channel, our_id, - targ->target, &tstate); - ahc_compile_devinfo(&devinfo, our_id, targ->target, CAM_LUN_WILDCARD, - channel, ROLE_INITIATOR); - ahc_set_syncrate(ahc, &devinfo, NULL, 0, 0, 0, - AHC_TRANS_GOAL, /*paused*/FALSE); - ahc_set_width(ahc, &devinfo, MSG_EXT_WDTR_BUS_8_BIT, - AHC_TRANS_GOAL, /*paused*/FALSE); - ahc_update_neg_request(ahc, &devinfo, tstate, tinfo, AHC_NEG_ALWAYS); - ahc->platform_data->targets[target_offset] = NULL; - free(targ, M_DEVBUF); -} - -static struct ahc_linux_device* -ahc_linux_alloc_device(struct ahc_softc *ahc, - struct ahc_linux_target *targ, u_int lun) -{ - struct ahc_linux_device *dev; - - dev = malloc(sizeof(*dev), M_DEVBUG, M_NOWAIT); - if (dev == NULL) - return (NULL); - memset(dev, 0, sizeof(*dev)); - dev->lun = lun; - dev->target = targ; - - /* - * We start out life using untagged - * transactions of which we allow one. - */ - dev->openings = 1; - - /* - * Set maxtags to 0. This will be changed if we - * later determine that we are dealing with - * a tagged queuing capable device. - */ - dev->maxtags = 0; - - targ->refcount++; - targ->devices[lun] = dev; - return (dev); -} - -static void -ahc_linux_free_device(struct ahc_softc *ahc, struct ahc_linux_device *dev) -{ - struct ahc_linux_target *targ; - - targ = dev->target; - targ->devices[dev->lun] = NULL; - free(dev, M_DEVBUF); - targ->refcount--; - if (targ->refcount == 0) - ahc_linux_free_target(ahc, targ); -} - void ahc_send_async(struct ahc_softc *ahc, char channel, u_int target, u_int lun, ac_code code, void *arg) @@ -1875,11 +1574,15 @@ ahc_send_async(struct ahc_softc *ahc, char channel, case AC_TRANSFER_NEG: { char buf[80]; + struct scsi_target *starget; struct ahc_linux_target *targ; struct info_str info; struct ahc_initiator_tinfo *tinfo; struct ahc_tmode_tstate *tstate; int target_offset; + unsigned int target_ppr_options; + + BUG_ON(target == CAM_TARGET_WILDCARD); info.buffer = buf; info.length = sizeof(buf); @@ -1908,32 +1611,30 @@ ahc_send_async(struct ahc_softc *ahc, char channel, target_offset = target; if (channel == 'B') target_offset += 8; - targ = ahc->platform_data->targets[target_offset]; + starget = ahc->platform_data->starget[target_offset]; + targ = scsi_transport_target_data(starget); if (targ == NULL) break; - if (tinfo->curr.period == targ->last_tinfo.period - && tinfo->curr.width == targ->last_tinfo.width - && tinfo->curr.offset == targ->last_tinfo.offset - && tinfo->curr.ppr_options == targ->last_tinfo.ppr_options) + + target_ppr_options = + (spi_dt(starget) ? MSG_EXT_PPR_DT_REQ : 0) + + (spi_qas(starget) ? MSG_EXT_PPR_QAS_REQ : 0) + + (spi_iu(starget) ? MSG_EXT_PPR_IU_REQ : 0); + + if (tinfo->curr.period == spi_period(starget) + && tinfo->curr.width == spi_width(starget) + && tinfo->curr.offset == spi_offset(starget) + && tinfo->curr.ppr_options == target_ppr_options) if (bootverbose == 0) break; - targ->last_tinfo.period = tinfo->curr.period; - targ->last_tinfo.width = tinfo->curr.width; - targ->last_tinfo.offset = tinfo->curr.offset; - targ->last_tinfo.ppr_options = tinfo->curr.ppr_options; - - printf("(%s:%c:", ahc_name(ahc), channel); - if (target == CAM_TARGET_WILDCARD) - printf("*): "); - else - printf("%d): ", target); - ahc_format_transinfo(&info, &tinfo->curr); - if (info.pos < info.length) - *info.buffer = '\0'; - else - buf[info.length - 1] = '\0'; - printf("%s", buf); + spi_period(starget) = tinfo->curr.period; + spi_width(starget) = tinfo->curr.width; + spi_offset(starget) = tinfo->curr.offset; + spi_dt(starget) = tinfo->curr.ppr_options & MSG_EXT_PPR_DT_REQ ? 1 : 0; + spi_qas(starget) = tinfo->curr.ppr_options & MSG_EXT_PPR_QAS_REQ ? 1 : 0; + spi_iu(starget) = tinfo->curr.ppr_options & MSG_EXT_PPR_IU_REQ ? 1 : 0; + spi_display_xfer_agreement(starget); break; } case AC_SENT_BDR: @@ -2038,7 +1739,7 @@ ahc_done(struct ahc_softc *ahc, struct scb *scb) ahc_set_transaction_status(scb, CAM_REQ_CMP); } } else if (ahc_get_transaction_status(scb) == CAM_SCSI_STATUS_ERROR) { - ahc_linux_handle_scsi_status(ahc, dev, scb); + ahc_linux_handle_scsi_status(ahc, cmd->device, scb); } if (dev->openings == 1 @@ -2077,14 +1778,15 @@ ahc_done(struct ahc_softc *ahc, struct scb *scb) static void ahc_linux_handle_scsi_status(struct ahc_softc *ahc, - struct ahc_linux_device *dev, struct scb *scb) + struct scsi_device *sdev, struct scb *scb) { struct ahc_devinfo devinfo; + struct ahc_linux_device *dev = scsi_transport_device_data(sdev); ahc_compile_devinfo(&devinfo, ahc->our_id, - dev->target->target, dev->lun, - dev->target->channel == 0 ? 'A' : 'B', + sdev->sdev_target->id, sdev->lun, + sdev->sdev_target->channel == 0 ? 'A' : 'B', ROLE_INITIATOR); /* @@ -2361,6 +2063,8 @@ ahc_linux_queue_recovery_cmd(struct scsi_cmnd *cmd, scb_flag flag) printf(" 0x%x", cmd->cmnd[cdb_byte]); printf("\n"); + spin_lock_irq(&ahc->platform_data->spin_lock); + /* * First determine if we currently own this command. * Start by searching the device queue. If not found @@ -2368,8 +2072,7 @@ ahc_linux_queue_recovery_cmd(struct scsi_cmnd *cmd, scb_flag flag) * at all, and the system wanted us to just abort the * command, return success. */ - dev = ahc_linux_get_device(ahc, cmd->device->channel, cmd->device->id, - cmd->device->lun); + dev = scsi_transport_device_data(cmd->device); if (dev == NULL) { /* @@ -2616,6 +2319,8 @@ done: } spin_lock_irq(&ahc->platform_data->spin_lock); } + + spin_unlock_irq(&ahc->platform_data->spin_lock); return (retval); } @@ -2626,18 +2331,6 @@ ahc_platform_dump_card_state(struct ahc_softc *ahc) static void ahc_linux_exit(void); -static void ahc_linux_get_width(struct scsi_target *starget) -{ - struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); - struct ahc_softc *ahc = *((struct ahc_softc **)shost->hostdata); - struct ahc_tmode_tstate *tstate; - struct ahc_initiator_tinfo *tinfo - = ahc_fetch_transinfo(ahc, - starget->channel + 'A', - shost->this_id, starget->id, &tstate); - spi_width(starget) = tinfo->curr.width; -} - static void ahc_linux_set_width(struct scsi_target *starget, int width) { struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); @@ -2652,18 +2345,6 @@ static void ahc_linux_set_width(struct scsi_target *starget, int width) ahc_unlock(ahc, &flags); } -static void ahc_linux_get_period(struct scsi_target *starget) -{ - struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); - struct ahc_softc *ahc = *((struct ahc_softc **)shost->hostdata); - struct ahc_tmode_tstate *tstate; - struct ahc_initiator_tinfo *tinfo - = ahc_fetch_transinfo(ahc, - starget->channel + 'A', - shost->this_id, starget->id, &tstate); - spi_period(starget) = tinfo->curr.period; -} - static void ahc_linux_set_period(struct scsi_target *starget, int period) { struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); @@ -2674,9 +2355,9 @@ static void ahc_linux_set_period(struct scsi_target *starget, int period) starget->channel + 'A', shost->this_id, starget->id, &tstate); struct ahc_devinfo devinfo; - unsigned int ppr_options = tinfo->curr.ppr_options; + unsigned int ppr_options = tinfo->goal.ppr_options; unsigned long flags; - unsigned long offset = tinfo->curr.offset; + unsigned long offset = tinfo->goal.offset; struct ahc_syncrate *syncrate; if (offset == 0) @@ -2692,7 +2373,6 @@ static void ahc_linux_set_period(struct scsi_target *starget, int period) /* all PPR requests apart from QAS require wide transfers */ if (ppr_options & ~MSG_EXT_PPR_QAS_REQ) { - ahc_linux_get_width(starget); if (spi_width(starget) == 0) ppr_options &= MSG_EXT_PPR_QAS_REQ; } @@ -2704,18 +2384,6 @@ static void ahc_linux_set_period(struct scsi_target *starget, int period) ahc_unlock(ahc, &flags); } -static void ahc_linux_get_offset(struct scsi_target *starget) -{ - struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); - struct ahc_softc *ahc = *((struct ahc_softc **)shost->hostdata); - struct ahc_tmode_tstate *tstate; - struct ahc_initiator_tinfo *tinfo - = ahc_fetch_transinfo(ahc, - starget->channel + 'A', - shost->this_id, starget->id, &tstate); - spi_offset(starget) = tinfo->curr.offset; -} - static void ahc_linux_set_offset(struct scsi_target *starget, int offset) { struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); @@ -2735,8 +2403,8 @@ static void ahc_linux_set_offset(struct scsi_target *starget, int offset) starget->channel + 'A', ROLE_INITIATOR); if (offset != 0) { syncrate = ahc_find_syncrate(ahc, &period, &ppr_options, AHC_SYNCRATE_DT); - period = tinfo->curr.period; - ppr_options = tinfo->curr.ppr_options; + period = tinfo->goal.period; + ppr_options = tinfo->goal.ppr_options; } ahc_lock(ahc, &flags); ahc_set_syncrate(ahc, &devinfo, syncrate, period, offset, @@ -2744,18 +2412,6 @@ static void ahc_linux_set_offset(struct scsi_target *starget, int offset) ahc_unlock(ahc, &flags); } -static void ahc_linux_get_dt(struct scsi_target *starget) -{ - struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); - struct ahc_softc *ahc = *((struct ahc_softc **)shost->hostdata); - struct ahc_tmode_tstate *tstate; - struct ahc_initiator_tinfo *tinfo - = ahc_fetch_transinfo(ahc, - starget->channel + 'A', - shost->this_id, starget->id, &tstate); - spi_dt(starget) = tinfo->curr.ppr_options & MSG_EXT_PPR_DT_REQ; -} - static void ahc_linux_set_dt(struct scsi_target *starget, int dt) { struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); @@ -2766,15 +2422,17 @@ static void ahc_linux_set_dt(struct scsi_target *starget, int dt) starget->channel + 'A', shost->this_id, starget->id, &tstate); struct ahc_devinfo devinfo; - unsigned int ppr_options = tinfo->curr.ppr_options + unsigned int ppr_options = tinfo->goal.ppr_options & ~MSG_EXT_PPR_DT_REQ; - unsigned int period = tinfo->curr.period; + unsigned int period = tinfo->goal.period; + unsigned int width = tinfo->goal.width; unsigned long flags; struct ahc_syncrate *syncrate; if (dt) { - period = 9; /* 12.5ns is the only period valid for DT */ ppr_options |= MSG_EXT_PPR_DT_REQ; + if (!width) + ahc_linux_set_width(starget, 1); } else if (period == 9) period = 10; /* if resetting DT, period must be >= 25ns */ @@ -2782,23 +2440,16 @@ static void ahc_linux_set_dt(struct scsi_target *starget, int dt) starget->channel + 'A', ROLE_INITIATOR); syncrate = ahc_find_syncrate(ahc, &period, &ppr_options,AHC_SYNCRATE_DT); ahc_lock(ahc, &flags); - ahc_set_syncrate(ahc, &devinfo, syncrate, period, tinfo->curr.offset, + ahc_set_syncrate(ahc, &devinfo, syncrate, period, tinfo->goal.offset, ppr_options, AHC_TRANS_GOAL, FALSE); ahc_unlock(ahc, &flags); } -static void ahc_linux_get_qas(struct scsi_target *starget) -{ - struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); - struct ahc_softc *ahc = *((struct ahc_softc **)shost->hostdata); - struct ahc_tmode_tstate *tstate; - struct ahc_initiator_tinfo *tinfo - = ahc_fetch_transinfo(ahc, - starget->channel + 'A', - shost->this_id, starget->id, &tstate); - spi_dt(starget) = tinfo->curr.ppr_options & MSG_EXT_PPR_QAS_REQ; -} - +#if 0 +/* FIXME: This code claims to support IU and QAS. However, the actual + * sequencer code and aic7xxx_core have no support for these parameters and + * will get into a bad state if they're negotiated. Do not enable this + * unless you know what you're doing */ static void ahc_linux_set_qas(struct scsi_target *starget, int qas) { struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); @@ -2809,9 +2460,9 @@ static void ahc_linux_set_qas(struct scsi_target *starget, int qas) starget->channel + 'A', shost->this_id, starget->id, &tstate); struct ahc_devinfo devinfo; - unsigned int ppr_options = tinfo->curr.ppr_options + unsigned int ppr_options = tinfo->goal.ppr_options & ~MSG_EXT_PPR_QAS_REQ; - unsigned int period = tinfo->curr.period; + unsigned int period = tinfo->goal.period; unsigned long flags; struct ahc_syncrate *syncrate; @@ -2822,23 +2473,11 @@ static void ahc_linux_set_qas(struct scsi_target *starget, int qas) starget->channel + 'A', ROLE_INITIATOR); syncrate = ahc_find_syncrate(ahc, &period, &ppr_options, AHC_SYNCRATE_DT); ahc_lock(ahc, &flags); - ahc_set_syncrate(ahc, &devinfo, syncrate, period, tinfo->curr.offset, + ahc_set_syncrate(ahc, &devinfo, syncrate, period, tinfo->goal.offset, ppr_options, AHC_TRANS_GOAL, FALSE); ahc_unlock(ahc, &flags); } -static void ahc_linux_get_iu(struct scsi_target *starget) -{ - struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); - struct ahc_softc *ahc = *((struct ahc_softc **)shost->hostdata); - struct ahc_tmode_tstate *tstate; - struct ahc_initiator_tinfo *tinfo - = ahc_fetch_transinfo(ahc, - starget->channel + 'A', - shost->this_id, starget->id, &tstate); - spi_dt(starget) = tinfo->curr.ppr_options & MSG_EXT_PPR_IU_REQ; -} - static void ahc_linux_set_iu(struct scsi_target *starget, int iu) { struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); @@ -2849,9 +2488,9 @@ static void ahc_linux_set_iu(struct scsi_target *starget, int iu) starget->channel + 'A', shost->this_id, starget->id, &tstate); struct ahc_devinfo devinfo; - unsigned int ppr_options = tinfo->curr.ppr_options + unsigned int ppr_options = tinfo->goal.ppr_options & ~MSG_EXT_PPR_IU_REQ; - unsigned int period = tinfo->curr.period; + unsigned int period = tinfo->goal.period; unsigned long flags; struct ahc_syncrate *syncrate; @@ -2862,30 +2501,27 @@ static void ahc_linux_set_iu(struct scsi_target *starget, int iu) starget->channel + 'A', ROLE_INITIATOR); syncrate = ahc_find_syncrate(ahc, &period, &ppr_options, AHC_SYNCRATE_DT); ahc_lock(ahc, &flags); - ahc_set_syncrate(ahc, &devinfo, syncrate, period, tinfo->curr.offset, + ahc_set_syncrate(ahc, &devinfo, syncrate, period, tinfo->goal.offset, ppr_options, AHC_TRANS_GOAL, FALSE); ahc_unlock(ahc, &flags); } +#endif static struct spi_function_template ahc_linux_transport_functions = { - .get_offset = ahc_linux_get_offset, .set_offset = ahc_linux_set_offset, .show_offset = 1, - .get_period = ahc_linux_get_period, .set_period = ahc_linux_set_period, .show_period = 1, - .get_width = ahc_linux_get_width, .set_width = ahc_linux_set_width, .show_width = 1, - .get_dt = ahc_linux_get_dt, .set_dt = ahc_linux_set_dt, .show_dt = 1, - .get_iu = ahc_linux_get_iu, +#if 0 .set_iu = ahc_linux_set_iu, .show_iu = 1, - .get_qas = ahc_linux_get_qas, .set_qas = ahc_linux_set_qas, .show_qas = 1, +#endif }; @@ -2893,14 +2529,25 @@ static struct spi_function_template ahc_linux_transport_functions = { static int __init ahc_linux_init(void) { - ahc_linux_transport_template = spi_attach_transport(&ahc_linux_transport_functions); + /* + * If we've been passed any parameters, process them now. + */ + if (aic7xxx) + aic7xxx_setup(aic7xxx); + + ahc_linux_transport_template = + spi_attach_transport(&ahc_linux_transport_functions); if (!ahc_linux_transport_template) return -ENODEV; - if (ahc_linux_detect(&aic7xxx_driver_template)) - return 0; - spi_release_transport(ahc_linux_transport_template); - ahc_linux_exit(); - return -ENODEV; + + scsi_transport_reserve_target(ahc_linux_transport_template, + sizeof(struct ahc_linux_target)); + scsi_transport_reserve_device(ahc_linux_transport_template, + sizeof(struct ahc_linux_device)); + + ahc_linux_pci_init(); + ahc_linux_eisa_init(); + return 0; } static void diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm.h b/drivers/scsi/aic7xxx/aic7xxx_osm.h index 30c200d5bcd..0e47ac21754 100644 --- a/drivers/scsi/aic7xxx/aic7xxx_osm.h +++ b/drivers/scsi/aic7xxx/aic7xxx_osm.h @@ -79,6 +79,8 @@ #include <scsi/scsi_device.h> #include <scsi/scsi_host.h> #include <scsi/scsi_tcq.h> +#include <scsi/scsi_transport.h> +#include <scsi/scsi_transport_spi.h> /* Core SCSI definitions */ #define AIC_LIB_PREFIX ahc @@ -127,27 +129,9 @@ typedef struct scsi_cmnd *ahc_io_ctx_t; #define ahc_le32toh(x) le32_to_cpu(x) #define ahc_le64toh(x) le64_to_cpu(x) -#ifndef LITTLE_ENDIAN -#define LITTLE_ENDIAN 1234 -#endif - -#ifndef BIG_ENDIAN -#define BIG_ENDIAN 4321 -#endif - -#ifndef BYTE_ORDER -#if defined(__BIG_ENDIAN) -#define BYTE_ORDER BIG_ENDIAN -#endif -#if defined(__LITTLE_ENDIAN) -#define BYTE_ORDER LITTLE_ENDIAN -#endif -#endif /* BYTE_ORDER */ - /************************* Configuration Data *********************************/ extern u_int aic7xxx_no_probe; extern u_int aic7xxx_allow_memio; -extern int aic7xxx_detect_complete; extern struct scsi_host_template aic7xxx_driver_template; /***************************** Bus Space/DMA **********************************/ @@ -283,35 +267,6 @@ ahc_scb_timer_reset(struct scb *scb, u_int usec) #define AIC7XXX_DRIVER_VERSION "6.2.36" -/**************************** Front End Queues ********************************/ -/* - * Data structure used to cast the Linux struct scsi_cmnd to something - * that allows us to use the queue macros. The linux structure has - * plenty of space to hold the links fields as required by the queue - * macros, but the queue macors require them to have the correct type. - */ -struct ahc_cmd_internal { - /* Area owned by the Linux scsi layer. */ - uint8_t private[offsetof(struct scsi_cmnd, SCp.Status)]; - union { - STAILQ_ENTRY(ahc_cmd) ste; - LIST_ENTRY(ahc_cmd) le; - TAILQ_ENTRY(ahc_cmd) tqe; - } links; - uint32_t end; -}; - -struct ahc_cmd { - union { - struct ahc_cmd_internal icmd; - struct scsi_cmnd scsi_cmd; - } un; -}; - -#define acmd_icmd(cmd) ((cmd)->un.icmd) -#define acmd_scsi_cmd(cmd) ((cmd)->un.scsi_cmd) -#define acmd_links un.icmd.links - /*************************** Device Data Structures ***************************/ /* * A per probed device structure used to deal with some error recovery @@ -320,7 +275,6 @@ struct ahc_cmd { * after a successfully completed inquiry command to the target when * that inquiry data indicates a lun is present. */ -TAILQ_HEAD(ahc_busyq, ahc_cmd); typedef enum { AHC_DEV_FREEZE_TIL_EMPTY = 0x02, /* Freeze queue until active == 0 */ AHC_DEV_Q_BASIC = 0x10, /* Allow basic device queuing */ @@ -330,8 +284,6 @@ typedef enum { struct ahc_linux_target; struct ahc_linux_device { - TAILQ_ENTRY(ahc_linux_device) links; - /* * The number of transactions currently * queued to the device. @@ -401,17 +353,10 @@ struct ahc_linux_device { */ u_int commands_since_idle_or_otag; #define AHC_OTAG_THRESH 500 - - int lun; - struct scsi_device *scsi_device; - struct ahc_linux_target *target; }; struct ahc_linux_target { - struct ahc_linux_device *devices[AHC_NUM_LUNS]; - int channel; - int target; - int refcount; + struct scsi_device *sdev[AHC_NUM_LUNS]; struct ahc_transinfo last_tinfo; struct ahc_softc *ahc; }; @@ -445,7 +390,7 @@ struct ahc_platform_data { /* * Fields accessed from interrupt context. */ - struct ahc_linux_target *targets[AHC_NUM_TARGETS]; + struct scsi_target *starget[AHC_NUM_TARGETS]; spinlock_t spin_lock; u_int qfrozen; @@ -564,15 +509,6 @@ void ahc_format_transinfo(struct info_str *info, /******************************** Locking *************************************/ /* Lock protecting internal data structures */ -static __inline void ahc_lockinit(struct ahc_softc *); -static __inline void ahc_lock(struct ahc_softc *, unsigned long *flags); -static __inline void ahc_unlock(struct ahc_softc *, unsigned long *flags); - -/* Lock held during ahc_list manipulation and ahc softc frees */ -extern spinlock_t ahc_list_spinlock; -static __inline void ahc_list_lockinit(void); -static __inline void ahc_list_lock(unsigned long *flags); -static __inline void ahc_list_unlock(unsigned long *flags); static __inline void ahc_lockinit(struct ahc_softc *ahc) @@ -592,24 +528,6 @@ ahc_unlock(struct ahc_softc *ahc, unsigned long *flags) spin_unlock_irqrestore(&ahc->platform_data->spin_lock, *flags); } -static __inline void -ahc_list_lockinit(void) -{ - spin_lock_init(&ahc_list_spinlock); -} - -static __inline void -ahc_list_lock(unsigned long *flags) -{ - spin_lock_irqsave(&ahc_list_spinlock, *flags); -} - -static __inline void -ahc_list_unlock(unsigned long *flags) -{ - spin_unlock_irqrestore(&ahc_list_spinlock, *flags); -} - /******************************* PCI Definitions ******************************/ /* * PCIM_xxx: mask to locate subfield in register @@ -659,7 +577,6 @@ typedef enum /**************************** VL/EISA Routines ********************************/ #ifdef CONFIG_EISA -extern uint32_t aic7xxx_probe_eisa_vl; int ahc_linux_eisa_init(void); void ahc_linux_eisa_exit(void); int aic7770_map_registers(struct ahc_softc *ahc, @@ -924,7 +841,6 @@ ahc_notify_xfer_settings_change(struct ahc_softc *ahc, static __inline void ahc_platform_scb_free(struct ahc_softc *ahc, struct scb *scb) { - ahc->flags &= ~AHC_RESOURCE_SHORTAGE; } int ahc_platform_alloc(struct ahc_softc *ahc, void *platform_arg); @@ -948,7 +864,6 @@ int ahc_platform_abort_scbs(struct ahc_softc *ahc, int target, irqreturn_t ahc_linux_isr(int irq, void *dev_id, struct pt_regs * regs); void ahc_platform_flushwork(struct ahc_softc *ahc); -int ahc_softc_comp(struct ahc_softc *, struct ahc_softc *); void ahc_done(struct ahc_softc*, struct scb*); void ahc_send_async(struct ahc_softc *, char channel, u_int target, u_int lun, ac_code, void *); diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c b/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c index 2a0ebce83e7..9d318ce2c99 100644 --- a/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c +++ b/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c @@ -140,27 +140,13 @@ struct pci_driver aic7xxx_pci_driver = { static void ahc_linux_pci_dev_remove(struct pci_dev *pdev) { - struct ahc_softc *ahc; - u_long l; + struct ahc_softc *ahc = pci_get_drvdata(pdev); + u_long s; - /* - * We should be able to just perform - * the free directly, but check our - * list for extra sanity. - */ - ahc_list_lock(&l); - ahc = ahc_find_softc((struct ahc_softc *)pci_get_drvdata(pdev)); - if (ahc != NULL) { - u_long s; - - TAILQ_REMOVE(&ahc_tailq, ahc, links); - ahc_list_unlock(&l); - ahc_lock(ahc, &s); - ahc_intr_enable(ahc, FALSE); - ahc_unlock(ahc, &s); - ahc_free(ahc); - } else - ahc_list_unlock(&l); + ahc_lock(ahc, &s); + ahc_intr_enable(ahc, FALSE); + ahc_unlock(ahc, &s); + ahc_free(ahc); } static int @@ -174,22 +160,6 @@ ahc_linux_pci_dev_probe(struct pci_dev *pdev, const struct pci_device_id *ent) char *name; int error; - /* - * Some BIOSen report the same device multiple times. - */ - TAILQ_FOREACH(ahc, &ahc_tailq, links) { - struct pci_dev *probed_pdev; - - probed_pdev = ahc->dev_softc; - if (probed_pdev->bus->number == pdev->bus->number - && probed_pdev->devfn == pdev->devfn) - break; - } - if (ahc != NULL) { - /* Skip duplicate. */ - return (-ENODEV); - } - pci = pdev; entry = ahc_find_pci_device(pci); if (entry == NULL) @@ -234,8 +204,7 @@ ahc_linux_pci_dev_probe(struct pci_dev *pdev, const struct pci_device_id *ent) return (-error); } pci_set_drvdata(pdev, ahc); - if (aic7xxx_detect_complete) - ahc_linux_register_host(ahc, &aic7xxx_driver_template); + ahc_linux_register_host(ahc, &aic7xxx_driver_template); return (0); } diff --git a/drivers/scsi/aic7xxx/aic7xxx_pci.c b/drivers/scsi/aic7xxx/aic7xxx_pci.c index 7ddcc97fb24..b3b2e2237eb 100644 --- a/drivers/scsi/aic7xxx/aic7xxx_pci.c +++ b/drivers/scsi/aic7xxx/aic7xxx_pci.c @@ -704,7 +704,6 @@ ahc_find_pci_device(ahc_dev_softc_t pci) int ahc_pci_config(struct ahc_softc *ahc, struct ahc_pci_identity *entry) { - u_long l; u_int command; u_int our_id; u_int sxfrctl1; @@ -964,12 +963,7 @@ ahc_pci_config(struct ahc_softc *ahc, struct ahc_pci_identity *entry) if (error != 0) return (error); - ahc_list_lock(&l); - /* - * Link this softc in with all other ahc instances. - */ - ahc_softc_insert(ahc); - ahc_list_unlock(&l); + ahc->init_level++; return (0); } diff --git a/drivers/scsi/aic7xxx/aic7xxx_proc.c b/drivers/scsi/aic7xxx/aic7xxx_proc.c index 5fece859fbd..3802c91f0b0 100644 --- a/drivers/scsi/aic7xxx/aic7xxx_proc.c +++ b/drivers/scsi/aic7xxx/aic7xxx_proc.c @@ -50,7 +50,7 @@ static void ahc_dump_target_state(struct ahc_softc *ahc, u_int our_id, char channel, u_int target_id, u_int target_offset); static void ahc_dump_device_state(struct info_str *info, - struct ahc_linux_device *dev); + struct scsi_device *dev); static int ahc_proc_write_seeprom(struct ahc_softc *ahc, char *buffer, int length); @@ -142,6 +142,7 @@ ahc_dump_target_state(struct ahc_softc *ahc, struct info_str *info, u_int target_offset) { struct ahc_linux_target *targ; + struct scsi_target *starget; struct ahc_initiator_tinfo *tinfo; struct ahc_tmode_tstate *tstate; int lun; @@ -153,9 +154,10 @@ ahc_dump_target_state(struct ahc_softc *ahc, struct info_str *info, copy_info(info, "Target %d Negotiation Settings\n", target_id); copy_info(info, "\tUser: "); ahc_format_transinfo(info, &tinfo->user); - targ = ahc->platform_data->targets[target_offset]; - if (targ == NULL) + starget = ahc->platform_data->starget[target_offset]; + if (!starget) return; + targ = scsi_transport_target_data(starget); copy_info(info, "\tGoal: "); ahc_format_transinfo(info, &tinfo->goal); @@ -163,22 +165,25 @@ ahc_dump_target_state(struct ahc_softc *ahc, struct info_str *info, ahc_format_transinfo(info, &tinfo->curr); for (lun = 0; lun < AHC_NUM_LUNS; lun++) { - struct ahc_linux_device *dev; + struct scsi_device *sdev; - dev = targ->devices[lun]; + sdev = targ->sdev[lun]; - if (dev == NULL) + if (sdev == NULL) continue; - ahc_dump_device_state(info, dev); + ahc_dump_device_state(info, sdev); } } static void -ahc_dump_device_state(struct info_str *info, struct ahc_linux_device *dev) +ahc_dump_device_state(struct info_str *info, struct scsi_device *sdev) { + struct ahc_linux_device *dev = scsi_transport_device_data(sdev); + copy_info(info, "\tChannel %c Target %d Lun %d Settings\n", - dev->target->channel + 'A', dev->target->target, dev->lun); + sdev->sdev_target->channel + 'A', + sdev->sdev_target->id, sdev->lun); copy_info(info, "\t\tCommands Queued %ld\n", dev->commands_issued); copy_info(info, "\t\tCommands Active %d\n", dev->active); @@ -292,20 +297,13 @@ int ahc_linux_proc_info(struct Scsi_Host *shost, char *buffer, char **start, off_t offset, int length, int inout) { - struct ahc_softc *ahc; + struct ahc_softc *ahc = *(struct ahc_softc **)shost->hostdata; struct info_str info; char ahc_info[256]; - u_long s; u_int max_targ; u_int i; int retval; - retval = -EINVAL; - ahc_list_lock(&s); - ahc = ahc_find_softc(*(struct ahc_softc **)shost->hostdata); - if (ahc == NULL) - goto done; - /* Has data been written to the file? */ if (inout == TRUE) { retval = ahc_proc_write_seeprom(ahc, buffer, length); @@ -367,6 +365,5 @@ ahc_linux_proc_info(struct Scsi_Host *shost, char *buffer, char **start, } retval = info.pos > info.offset ? info.pos - info.offset : 0; done: - ahc_list_unlock(&s); return (retval); } diff --git a/drivers/scsi/aic7xxx/aicasm/aicasm.c b/drivers/scsi/aic7xxx/aicasm/aicasm.c index c3463948190..f936b691232 100644 --- a/drivers/scsi/aic7xxx/aicasm/aicasm.c +++ b/drivers/scsi/aic7xxx/aicasm/aicasm.c @@ -369,7 +369,7 @@ output_code() fprintf(ofile, "%s\t0x%02x, 0x%02x, 0x%02x, 0x%02x", cur_instr == STAILQ_FIRST(&seq_program) ? "" : ",\n", -#if BYTE_ORDER == LITTLE_ENDIAN +#ifdef __LITTLE_ENDIAN cur_instr->format.bytes[0], cur_instr->format.bytes[1], cur_instr->format.bytes[2], @@ -613,7 +613,7 @@ output_listing(char *ifilename) line++; } fprintf(listfile, "%03x %02x%02x%02x%02x", instrptr, -#if BYTE_ORDER == LITTLE_ENDIAN +#ifdef __LITTLE_ENDIAN cur_instr->format.bytes[0], cur_instr->format.bytes[1], cur_instr->format.bytes[2], diff --git a/drivers/scsi/aic7xxx/aicasm/aicasm_insformat.h b/drivers/scsi/aic7xxx/aicasm/aicasm_insformat.h index 3e80f07df49..e64f802bbaa 100644 --- a/drivers/scsi/aic7xxx/aicasm/aicasm_insformat.h +++ b/drivers/scsi/aic7xxx/aicasm/aicasm_insformat.h @@ -42,8 +42,10 @@ * $FreeBSD$ */ +#include <asm/byteorder.h> + struct ins_format1 { -#if BYTE_ORDER == LITTLE_ENDIAN +#ifdef __LITTLE_ENDIAN uint32_t immediate : 8, source : 9, destination : 9, @@ -61,7 +63,7 @@ struct ins_format1 { }; struct ins_format2 { -#if BYTE_ORDER == LITTLE_ENDIAN +#ifdef __LITTLE_ENDIAN uint32_t shift_control : 8, source : 9, destination : 9, @@ -79,7 +81,7 @@ struct ins_format2 { }; struct ins_format3 { -#if BYTE_ORDER == LITTLE_ENDIAN +#ifdef __LITTLE_ENDIAN uint32_t immediate : 8, source : 9, address : 10, |