diff options
Diffstat (limited to 'drivers/ide')
| -rw-r--r-- | drivers/ide/ide-cd.c | 5 | ||||
| -rw-r--r-- | drivers/ide/ide-disk.c | 138 | ||||
| -rw-r--r-- | drivers/ide/ide-floppy.c | 1 | ||||
| -rw-r--r-- | drivers/ide/ide-io.c | 11 | ||||
| -rw-r--r-- | drivers/ide/ide-tape.c | 1 | ||||
| -rw-r--r-- | drivers/ide/ide.c | 60 | ||||
| -rw-r--r-- | drivers/ide/legacy/ide-cs.c | 132 |
7 files changed, 171 insertions, 177 deletions
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index b4d7a3efb90f..d31117eb95aa 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -614,7 +614,7 @@ static void cdrom_end_request (ide_drive_t *drive, int uptodate) */ spin_lock_irqsave(&ide_lock, flags); end_that_request_chunk(failed, 0, failed->data_len); - end_that_request_last(failed); + end_that_request_last(failed, 0); spin_unlock_irqrestore(&ide_lock, flags); } @@ -1735,7 +1735,7 @@ end_request: spin_lock_irqsave(&ide_lock, flags); blkdev_dequeue_request(rq); - end_that_request_last(rq); + end_that_request_last(rq, 1); HWGROUP(drive)->rq = NULL; spin_unlock_irqrestore(&ide_lock, flags); return ide_stopped; @@ -3509,6 +3509,7 @@ static int __init ide_cdrom_init(void) return driver_register(&ide_cdrom_driver.gen_driver); } +MODULE_ALIAS("ide:*m-cdrom*"); module_init(ide_cdrom_init); module_exit(ide_cdrom_exit); MODULE_LICENSE("GPL"); diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index 449522f0540c..4b441720b6ba 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -681,50 +681,9 @@ static ide_proc_entry_t idedisk_proc[] = { #endif /* CONFIG_PROC_FS */ -static void idedisk_end_flush(request_queue_t *q, struct request *flush_rq) +static void idedisk_prepare_flush(request_queue_t *q, struct request *rq) { ide_drive_t *drive = q->queuedata; - struct request *rq = flush_rq->end_io_data; - int good_sectors = rq->hard_nr_sectors; - int bad_sectors; - sector_t sector; - - if (flush_rq->errors & ABRT_ERR) { - printk(KERN_ERR "%s: barrier support doesn't work\n", drive->name); - blk_queue_ordered(drive->queue, QUEUE_ORDERED_NONE); - blk_queue_issue_flush_fn(drive->queue, NULL); - good_sectors = 0; - } else if (flush_rq->errors) { - good_sectors = 0; - if (blk_barrier_preflush(rq)) { - sector = ide_get_error_location(drive,flush_rq->buffer); - if ((sector >= rq->hard_sector) && - (sector < rq->hard_sector + rq->hard_nr_sectors)) - good_sectors = sector - rq->hard_sector; - } - } - - if (flush_rq->errors) - printk(KERN_ERR "%s: failed barrier write: " - "sector=%Lx(good=%d/bad=%d)\n", - drive->name, (unsigned long long)rq->sector, - good_sectors, - (int) (rq->hard_nr_sectors-good_sectors)); - - bad_sectors = rq->hard_nr_sectors - good_sectors; - - if (good_sectors) - __ide_end_request(drive, rq, 1, good_sectors); - if (bad_sectors) - __ide_end_request(drive, rq, 0, bad_sectors); -} - -static int idedisk_prepare_flush(request_queue_t *q, struct request *rq) -{ - ide_drive_t *drive = q->queuedata; - - if (!drive->wcache) - return 0; memset(rq->cmd, 0, sizeof(rq->cmd)); @@ -735,9 +694,8 @@ static int idedisk_prepare_flush(request_queue_t *q, struct request *rq) rq->cmd[0] = WIN_FLUSH_CACHE; - rq->flags |= REQ_DRIVE_TASK | REQ_SOFTBARRIER; + rq->flags |= REQ_DRIVE_TASK; rq->buffer = rq->cmd; - return 1; } static int idedisk_issue_flush(request_queue_t *q, struct gendisk *disk, @@ -794,27 +752,64 @@ static int set_nowerr(ide_drive_t *drive, int arg) return 0; } +static void update_ordered(ide_drive_t *drive) +{ + struct hd_driveid *id = drive->id; + unsigned ordered = QUEUE_ORDERED_NONE; + prepare_flush_fn *prep_fn = NULL; + issue_flush_fn *issue_fn = NULL; + + if (drive->wcache) { + unsigned long long capacity; + int barrier; + /* + * We must avoid issuing commands a drive does not + * understand or we may crash it. We check flush cache + * is supported. We also check we have the LBA48 flush + * cache if the drive capacity is too large. By this + * time we have trimmed the drive capacity if LBA48 is + * not available so we don't need to recheck that. + */ + capacity = idedisk_capacity(drive); + barrier = ide_id_has_flush_cache(id) && + (drive->addressing == 0 || capacity <= (1ULL << 28) || + ide_id_has_flush_cache_ext(id)); + + printk(KERN_INFO "%s: cache flushes %ssupported\n", + drive->name, barrier ? "" : "not"); + + if (barrier) { + ordered = QUEUE_ORDERED_DRAIN_FLUSH; + prep_fn = idedisk_prepare_flush; + issue_fn = idedisk_issue_flush; + } + } else + ordered = QUEUE_ORDERED_DRAIN; + + blk_queue_ordered(drive->queue, ordered, prep_fn); + blk_queue_issue_flush_fn(drive->queue, issue_fn); +} + static int write_cache(ide_drive_t *drive, int arg) { ide_task_t args; - int err; - - if (!ide_id_has_flush_cache(drive->id)) - return 1; + int err = 1; - memset(&args, 0, sizeof(ide_task_t)); - args.tfRegister[IDE_FEATURE_OFFSET] = (arg) ? + if (ide_id_has_flush_cache(drive->id)) { + memset(&args, 0, sizeof(ide_task_t)); + args.tfRegister[IDE_FEATURE_OFFSET] = (arg) ? SETFEATURES_EN_WCACHE : SETFEATURES_DIS_WCACHE; - args.tfRegister[IDE_COMMAND_OFFSET] = WIN_SETFEATURES; - args.command_type = IDE_DRIVE_TASK_NO_DATA; - args.handler = &task_no_data_intr; + args.tfRegister[IDE_COMMAND_OFFSET] = WIN_SETFEATURES; + args.command_type = IDE_DRIVE_TASK_NO_DATA; + args.handler = &task_no_data_intr; + err = ide_raw_taskfile(drive, &args, NULL); + if (err == 0) + drive->wcache = arg; + } - err = ide_raw_taskfile(drive, &args, NULL); - if (err) - return err; + update_ordered(drive); - drive->wcache = arg; - return 0; + return err; } static int do_idedisk_flushcache (ide_drive_t *drive) @@ -888,7 +883,6 @@ static void idedisk_setup (ide_drive_t *drive) { struct hd_driveid *id = drive->id; unsigned long long capacity; - int barrier; idedisk_add_settings(drive); @@ -992,31 +986,6 @@ static void idedisk_setup (ide_drive_t *drive) drive->wcache = 1; write_cache(drive, 1); - - /* - * We must avoid issuing commands a drive does not understand - * or we may crash it. We check flush cache is supported. We also - * check we have the LBA48 flush cache if the drive capacity is - * too large. By this time we have trimmed the drive capacity if - * LBA48 is not available so we don't need to recheck that. - */ - barrier = 0; - if (ide_id_has_flush_cache(id)) - barrier = 1; - if (drive->addressing == 1) { - /* Can't issue the correct flush ? */ - if (capacity > (1ULL << 28) && !ide_id_has_flush_cache_ext(id)) - barrier = 0; - } - - printk(KERN_INFO "%s: cache flushes %ssupported\n", - drive->name, barrier ? "" : "not "); - if (barrier) { - blk_queue_ordered(drive->queue, QUEUE_ORDERED_FLUSH); - drive->queue->prepare_flush_fn = idedisk_prepare_flush; - drive->queue->end_flush_fn = idedisk_end_flush; - blk_queue_issue_flush_fn(drive->queue, idedisk_issue_flush); - } } static void ide_cacheflush_p(ide_drive_t *drive) @@ -1271,6 +1240,7 @@ static int __init idedisk_init(void) return driver_register(&idedisk_driver.gen_driver); } +MODULE_ALIAS("ide:*m-disk*"); module_init(idedisk_init); module_exit(idedisk_exit); MODULE_LICENSE("GPL"); diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index 9e293c8063dc..fba3fffc2d66 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -2197,6 +2197,7 @@ static int __init idefloppy_init(void) return driver_register(&idefloppy_driver.gen_driver); } +MODULE_ALIAS("ide:*m-floppy*"); module_init(idefloppy_init); module_exit(idefloppy_exit); MODULE_LICENSE("GPL"); diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c index ecfafcdafea4..b5dc6df8e67d 100644 --- a/drivers/ide/ide-io.c +++ b/drivers/ide/ide-io.c @@ -89,7 +89,7 @@ int __ide_end_request(ide_drive_t *drive, struct request *rq, int uptodate, blkdev_dequeue_request(rq); HWGROUP(drive)->rq = NULL; - end_that_request_last(rq); + end_that_request_last(rq, uptodate); ret = 0; } return ret; @@ -119,10 +119,7 @@ int ide_end_request (ide_drive_t *drive, int uptodate, int nr_sectors) if (!nr_sectors) nr_sectors = rq->hard_cur_sectors; - if (blk_complete_barrier_rq_locked(drive->queue, rq, nr_sectors)) - ret = rq->nr_sectors != 0; - else - ret = __ide_end_request(drive, rq, uptodate, nr_sectors); + ret = __ide_end_request(drive, rq, uptodate, nr_sectors); spin_unlock_irqrestore(&ide_lock, flags); return ret; @@ -247,7 +244,7 @@ static void ide_complete_pm_request (ide_drive_t *drive, struct request *rq) } blkdev_dequeue_request(rq); HWGROUP(drive)->rq = NULL; - end_that_request_last(rq); + end_that_request_last(rq, 1); spin_unlock_irqrestore(&ide_lock, flags); } @@ -379,7 +376,7 @@ void ide_end_drive_cmd (ide_drive_t *drive, u8 stat, u8 err) blkdev_dequeue_request(rq); HWGROUP(drive)->rq = NULL; rq->errors = err; - end_that_request_last(rq); + end_that_request_last(rq, !rq->errors); spin_unlock_irqrestore(&ide_lock, flags); } diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c index 7d7944ed4158..fab9b2b02504 100644 --- a/drivers/ide/ide-tape.c +++ b/drivers/ide/ide-tape.c @@ -4947,6 +4947,7 @@ out: return error; } +MODULE_ALIAS("ide:*m-tape*"); module_init(idetape_init); module_exit(idetape_exit); MODULE_ALIAS_CHARDEV_MAJOR(IDETAPE_MAJOR); diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c index 8af179b531c3..4b524f6b3ecd 100644 --- a/drivers/ide/ide.c +++ b/drivers/ide/ide.c @@ -1904,9 +1904,69 @@ static int ide_bus_match(struct device *dev, struct device_driver *drv) return 1; } +static char *media_string(ide_drive_t *drive) +{ + switch (drive->media) { + case ide_disk: + return "disk"; + case ide_cdrom: + return "cdrom"; + case ide_tape: + return "tape"; + case ide_floppy: + return "floppy"; + default: + return "UNKNOWN"; + } +} + +static ssize_t media_show(struct device *dev, struct device_attribute *attr, char *buf) +{ + ide_drive_t *drive = to_ide_device(dev); + return sprintf(buf, "%s\n", media_string(drive)); +} + +static ssize_t drivename_show(struct device *dev, struct device_attribute *attr, char *buf) +{ + ide_drive_t *drive = to_ide_device(dev); + return sprintf(buf, "%s\n", drive->name); +} + +static ssize_t modalias_show(struct device *dev, struct device_attribute *attr, char *buf) +{ + ide_drive_t *drive = to_ide_device(dev); + return sprintf(buf, "ide:m-%s\n", media_string(drive)); +} + +static struct device_attribute ide_dev_attrs[] = { + __ATTR_RO(media), + __ATTR_RO(drivename), + __ATTR_RO(modalias), + __ATTR_NULL +}; + +static int ide_uevent(struct device *dev, char **envp, int num_envp, + char *buffer, int buffer_size) +{ + ide_drive_t *drive = to_ide_device(dev); + int i = 0; + int length = 0; + + add_uevent_var(envp, num_envp, &i, buffer, buffer_size, &length, + "MEDIA=%s", media_string(drive)); + add_uevent_var(envp, num_envp, &i, buffer, buffer_size, &length, + "DRIVENAME=%s", drive->name); + add_uevent_var(envp, num_envp, &i, buffer, buffer_size, &length, + "MODALIAS=ide:m-%s", media_string(drive)); + envp[i] = NULL; + return 0; +} + struct bus_type ide_bus_type = { .name = "ide", .match = ide_bus_match, + .uevent = ide_uevent, + .dev_attrs = ide_dev_attrs, .suspend = generic_ide_suspend, .resume = generic_ide_resume, }; diff --git a/drivers/ide/legacy/ide-cs.c b/drivers/ide/legacy/ide-cs.c index ef79805218e4..4c2af9020905 100644 --- a/drivers/ide/legacy/ide-cs.c +++ b/drivers/ide/legacy/ide-cs.c @@ -88,15 +88,12 @@ typedef struct ide_info_t { } ide_info_t; static void ide_release(dev_link_t *); -static int ide_event(event_t event, int priority, - event_callback_args_t *args); +static void ide_config(dev_link_t *); + +static void ide_detach(struct pcmcia_device *p_dev); -static dev_info_t dev_info = "ide-cs"; -static dev_link_t *ide_attach(void); -static void ide_detach(dev_link_t *); -static dev_link_t *dev_list = NULL; /*====================================================================== @@ -106,18 +103,17 @@ static dev_link_t *dev_list = NULL; ======================================================================*/ -static dev_link_t *ide_attach(void) +static int ide_attach(struct pcmcia_device *p_dev) { ide_info_t *info; dev_link_t *link; - client_reg_t client_reg; - int ret; - + DEBUG(0, "ide_attach()\n"); /* Create new ide device */ info = kzalloc(sizeof(*info), GFP_KERNEL); - if (!info) return NULL; + if (!info) + return -ENOMEM; link = &info->link; link->priv = info; link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO; @@ -128,21 +124,14 @@ static dev_link_t *ide_attach(void) link->conf.Attributes = CONF_ENABLE_IRQ; link->conf.Vcc = 50; link->conf.IntType = INT_MEMORY_AND_IO; - - /* Register with Card Services */ - link->next = dev_list; - dev_list = link; - client_reg.dev_info = &dev_info; - client_reg.Version = 0x0210; - client_reg.event_callback_args.client_data = link; - ret = pcmcia_register_client(&link->handle, &client_reg); - if (ret != CS_SUCCESS) { - cs_error(link->handle, RegisterClient, ret); - ide_detach(link); - return NULL; - } - - return link; + + link->handle = p_dev; + p_dev->instance = link; + + link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; + ide_config(link); + + return 0; } /* ide_attach */ /*====================================================================== @@ -154,32 +143,16 @@ static dev_link_t *ide_attach(void) ======================================================================*/ -static void ide_detach(dev_link_t *link) +static void ide_detach(struct pcmcia_device *p_dev) { - dev_link_t **linkp; - int ret; + dev_link_t *link = dev_to_instance(p_dev); DEBUG(0, "ide_detach(0x%p)\n", link); - - /* Locate device structure */ - for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next) - if (*linkp == link) break; - if (*linkp == NULL) - return; if (link->state & DEV_CONFIG) ide_release(link); - - if (link->handle) { - ret = pcmcia_deregister_client(link->handle); - if (ret != CS_SUCCESS) - cs_error(link->handle, DeregisterClient, ret); - } - - /* Unlink, free device structure */ - *linkp = link->next; + kfree(link->priv); - } /* ide_detach */ static int idecs_register(unsigned long io, unsigned long ctl, unsigned long irq, struct pcmcia_device *handle) @@ -406,6 +379,28 @@ void ide_release(dev_link_t *link) } /* ide_release */ +static int ide_suspend(struct pcmcia_device *dev) +{ + dev_link_t *link = dev_to_instance(dev); + + link->state |= DEV_SUSPEND; + if (link->state & DEV_CONFIG) + pcmcia_release_configuration(link->handle); + + return 0; +} + +static int ide_resume(struct pcmcia_device *dev) +{ + dev_link_t *link = dev_to_instance(dev); + + link->state &= ~DEV_SUSPEND; + if (DEV_OK(link)) + pcmcia_request_configuration(link->handle, &link->conf); + + return 0; +} + /*====================================================================== The card status event handler. Mostly, this schedules other @@ -415,48 +410,15 @@ void ide_release(dev_link_t *link) ======================================================================*/ -int ide_event(event_t event, int priority, - event_callback_args_t *args) -{ - dev_link_t *link = args->client_data; - - DEBUG(1, "ide_event(0x%06x)\n", event); - - switch (event) { - case CS_EVENT_CARD_REMOVAL: - link->state &= ~DEV_PRESENT; - if (link->state & DEV_CONFIG) - ide_release(link); - break; - case CS_EVENT_CARD_INSERTION: - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; - ide_config(link); - break; - case CS_EVENT_PM_SUSPEND: - link->state |= DEV_SUSPEND; - /* Fall through... */ - case CS_EVENT_RESET_PHYSICAL: - if (link->state & DEV_CONFIG) - pcmcia_release_configuration(link->handle); - break; - case CS_EVENT_PM_RESUME: - link->state &= ~DEV_SUSPEND; - /* Fall through... */ - case CS_EVENT_CARD_RESET: - if (DEV_OK(link)) - pcmcia_request_configuration(link->handle, &link->conf); - break; - } - return 0; -} /* ide_event */ - static struct pcmcia_device_id ide_ids[] = { PCMCIA_DEVICE_FUNC_ID(4), + PCMCIA_DEVICE_MANF_CARD(0x0007, 0x0000), /* Hitachi */ PCMCIA_DEVICE_MANF_CARD(0x0032, 0x0704), PCMCIA_DEVICE_MANF_CARD(0x0045, 0x0401), PCMCIA_DEVICE_MANF_CARD(0x0098, 0x0000), /* Toshiba */ PCMCIA_DEVICE_MANF_CARD(0x00a4, 0x002d), PCMCIA_DEVICE_MANF_CARD(0x00ce, 0x0000), /* Samsung */ + PCMCIA_DEVICE_MANF_CARD(0x0319, 0x0000), /* Hitachi */ PCMCIA_DEVICE_MANF_CARD(0x2080, 0x0001), PCMCIA_DEVICE_MANF_CARD(0x4e01, 0x0200), /* Lexar */ PCMCIA_DEVICE_PROD_ID123("Caravelle", "PSC-IDE ", "PSC000", 0x8c36137c, 0xd0693ab8, 0x2768a9f0), @@ -471,6 +433,8 @@ static struct pcmcia_device_id ide_ids[] = { PCMCIA_DEVICE_PROD_ID12("EXP ", "CD-ROM", 0x0a5c52fd, 0x66536591), PCMCIA_DEVICE_PROD_ID12("EXP ", "PnPIDE", 0x0a5c52fd, 0x0c694728), PCMCIA_DEVICE_PROD_ID12("FREECOM", "PCCARD-IDE", 0x5714cbf7, 0x48e0ab8e), + PCMCIA_DEVICE_PROD_ID12("HITACHI", "FLASH", 0xf4f43949, 0x9eb86aae), + PCMCIA_DEVICE_PROD_ID12("HITACHI", "microdrive", 0xf4f43949, 0xa6d76178), PCMCIA_DEVICE_PROD_ID12("IBM", "IBM17JSSFP20", 0xb569a6e5, 0xf2508753), PCMCIA_DEVICE_PROD_ID12("IO DATA", "CBIDE2 ", 0x547e66dc, 0x8671043b), PCMCIA_DEVICE_PROD_ID12("IO DATA", "PCIDE", 0x547e66dc, 0x5c5ab149), @@ -494,10 +458,11 @@ static struct pcmcia_driver ide_cs_driver = { .drv = { .name = "ide-cs", }, - .attach = ide_attach, - .event = ide_event, - .detach = ide_detach, + .probe = ide_attach, + .remove = ide_detach, .id_table = ide_ids, + .suspend = ide_suspend, + .resume = ide_resume, }; static int __init init_ide_cs(void) @@ -508,7 +473,6 @@ static int __init init_ide_cs(void) static void __exit exit_ide_cs(void) { pcmcia_unregister_driver(&ide_cs_driver); - BUG_ON(dev_list != NULL); } late_initcall(init_ide_cs); |