X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fide%2Fide-disk.c;h=07ef88bd109b69a04c0addfcac588024ea7286dd;hb=35c137531245118962eb40a550661afe317bec03;hp=68b9cf0138b05f017427b24c958750bd77356ee8;hpb=23a0ee908cbfba3264d19729c67c22b20fa73886;p=linux-2.6-omap-h63xx.git diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index 68b9cf0138b..65c499aab66 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -30,10 +30,8 @@ #include #include #include - -#define _IDE_DISK - #include +#include #include #include @@ -41,6 +39,12 @@ #include #include +#if !defined(CONFIG_DEBUG_BLOCK_EXT_DEVT) +#define IDE_DISK_MINORS (1 << PARTN_BITS) +#else +#define IDE_DISK_MINORS 0 +#endif + struct ide_disk_obj { ide_drive_t *drive; ide_driver_t *driver; @@ -84,68 +88,19 @@ static void ide_disk_put(struct ide_disk_obj *idkp) mutex_unlock(&idedisk_ref_mutex); } -/* - * lba_capacity_is_ok() performs a sanity check on the claimed "lba_capacity" - * value for this drive (from its reported identification information). - * - * Returns: 1 if lba_capacity looks sensible - * 0 otherwise - * - * It is called only once for each drive. - */ -static int lba_capacity_is_ok(struct hd_driveid *id) -{ - unsigned long lba_sects, chs_sects, head, tail; - - /* No non-LBA info .. so valid! */ - if (id->cyls == 0) - return 1; - - /* - * The ATA spec tells large drives to return - * C/H/S = 16383/16/63 independent of their size. - * Some drives can be jumpered to use 15 heads instead of 16. - * Some drives can be jumpered to use 4092 cyls instead of 16383. - */ - if ((id->cyls == 16383 - || (id->cyls == 4092 && id->cur_cyls == 16383)) && - id->sectors == 63 && - (id->heads == 15 || id->heads == 16) && - (id->lba_capacity >= 16383*63*id->heads)) - return 1; - - lba_sects = id->lba_capacity; - chs_sects = id->cyls * id->heads * id->sectors; - - /* perform a rough sanity check on lba_sects: within 10% is OK */ - if ((lba_sects - chs_sects) < chs_sects/10) - return 1; - - /* some drives have the word order reversed */ - head = ((lba_sects >> 16) & 0xffff); - tail = (lba_sects & 0xffff); - lba_sects = (head | (tail << 16)); - if ((lba_sects - chs_sects) < chs_sects/10) { - id->lba_capacity = lba_sects; - return 1; /* lba_capacity is (now) good */ - } - - return 0; /* lba_capacity value may be bad */ -} - static const u8 ide_rw_cmds[] = { - WIN_MULTREAD, - WIN_MULTWRITE, - WIN_MULTREAD_EXT, - WIN_MULTWRITE_EXT, - WIN_READ, - WIN_WRITE, - WIN_READ_EXT, - WIN_WRITE_EXT, - WIN_READDMA, - WIN_WRITEDMA, - WIN_READDMA_EXT, - WIN_WRITEDMA_EXT, + ATA_CMD_READ_MULTI, + ATA_CMD_WRITE_MULTI, + ATA_CMD_READ_MULTI_EXT, + ATA_CMD_WRITE_MULTI_EXT, + ATA_CMD_PIO_READ, + ATA_CMD_PIO_WRITE, + ATA_CMD_PIO_READ_EXT, + ATA_CMD_PIO_WRITE_EXT, + ATA_CMD_READ, + ATA_CMD_WRITE, + ATA_CMD_READ_EXT, + ATA_CMD_WRITE_EXT, }; static const u8 ide_data_phases[] = { @@ -316,9 +271,9 @@ static u64 idedisk_read_native_max_address(ide_drive_t *drive, int lba48) /* Create IDE/ATA command request structure */ memset(&args, 0, sizeof(ide_task_t)); if (lba48) - tf->command = WIN_READ_NATIVE_MAX_EXT; + tf->command = ATA_CMD_READ_NATIVE_MAX_EXT; else - tf->command = WIN_READ_NATIVE_MAX; + tf->command = ATA_CMD_READ_NATIVE_MAX; tf->device = ATA_LBA; args.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE; if (lba48) @@ -353,10 +308,10 @@ static u64 idedisk_set_max_address(ide_drive_t *drive, u64 addr_req, int lba48) tf->hob_lbal = (addr_req >>= 8) & 0xff; tf->hob_lbam = (addr_req >>= 8) & 0xff; tf->hob_lbah = (addr_req >>= 8) & 0xff; - tf->command = WIN_SET_MAX_EXT; + tf->command = ATA_CMD_SET_MAX_EXT; } else { tf->device = (addr_req >>= 8) & 0x0f; - tf->command = WIN_SET_MAX; + tf->command = ATA_CMD_SET_MAX; } tf->device |= ATA_LBA; args.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE; @@ -378,25 +333,6 @@ static unsigned long long sectors_to_MB(unsigned long long n) return n; } -/* - * Bits 10 of command_set_1 and cfs_enable_1 must be equal, - * so on non-buggy drives we need test only one. - * However, we should also check whether these fields are valid. - */ -static inline int idedisk_supports_hpa(const struct hd_driveid *id) -{ - return (id->command_set_1 & 0x0400) && (id->cfs_enable_1 & 0x0400); -} - -/* - * The same here. - */ -static inline int idedisk_supports_lba48(const struct hd_driveid *id) -{ - return (id->command_set_2 & 0x0400) && (id->cfs_enable_2 & 0x0400) - && id->lba_capacity_2; -} - /* * Some disks report total number of sectors instead of * maximum sector address. We list them here. @@ -411,7 +347,7 @@ static const struct drive_list_entry hpa_list[] = { static void idedisk_check_hpa(ide_drive_t *drive) { unsigned long long capacity, set_max; - int lba48 = idedisk_supports_lba48(drive->id); + int lba48 = ata_id_lba48_enabled(drive->id); capacity = drive->capacity64; @@ -445,39 +381,25 @@ static void idedisk_check_hpa(ide_drive_t *drive) } } -/* - * Compute drive->capacity, the full capacity of the drive - * Called with drive->id != NULL. - * - * To compute capacity, this uses either of - * - * 1. CHS value set by user (whatever user sets will be trusted) - * 2. LBA value from target drive (require new ATA feature) - * 3. LBA value from system BIOS (new one is OK, old one may break) - * 4. CHS value from system BIOS (traditional style) - * - * in above order (i.e., if value of higher priority is available, - * reset will be ignored). - */ static void init_idedisk_capacity(ide_drive_t *drive) { - struct hd_driveid *id = drive->id; + u16 *id = drive->id; /* * If this drive supports the Host Protected Area feature set, * then we may need to change our opinion about the drive's capacity. */ - int hpa = idedisk_supports_hpa(id); + int hpa = ata_id_hpa_enabled(id); - if (idedisk_supports_lba48(id)) { + if (ata_id_lba48_enabled(id)) { /* drive speaks 48-bit LBA */ drive->select.b.lba = 1; - drive->capacity64 = id->lba_capacity_2; + drive->capacity64 = ata_id_u64(id, ATA_ID_LBA_CAPACITY_2); if (hpa) idedisk_check_hpa(drive); - } else if ((id->capability & 2) && lba_capacity_is_ok(id)) { + } else if (ata_id_has_lba(id) && ata_id_is_lba_capacity_ok(id)) { /* drive speaks 28-bit LBA */ drive->select.b.lba = 1; - drive->capacity64 = id->lba_capacity; + drive->capacity64 = ata_id_u32(id, ATA_ID_LBA_CAPACITY); if (hpa) idedisk_check_hpa(drive); } else { @@ -488,7 +410,7 @@ static void init_idedisk_capacity(ide_drive_t *drive) static sector_t idedisk_capacity(ide_drive_t *drive) { - return drive->capacity64 - drive->sect0; + return drive->capacity64; } #ifdef CONFIG_IDE_PROC_FS @@ -498,10 +420,10 @@ static int smart_enable(ide_drive_t *drive) struct ide_taskfile *tf = &args.tf; memset(&args, 0, sizeof(ide_task_t)); - tf->feature = SMART_ENABLE; - tf->lbam = SMART_LCYL_PASS; - tf->lbah = SMART_HCYL_PASS; - tf->command = WIN_SMART; + tf->feature = ATA_SMART_ENABLE; + tf->lbam = ATA_SMART_LBAM_PASS; + tf->lbah = ATA_SMART_LBAH_PASS; + tf->command = ATA_CMD_SMART; args.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE; return ide_no_data_taskfile(drive, &args); } @@ -514,9 +436,9 @@ static int get_smart_data(ide_drive_t *drive, u8 *buf, u8 sub_cmd) memset(&args, 0, sizeof(ide_task_t)); tf->feature = sub_cmd; tf->nsect = 0x01; - tf->lbam = SMART_LCYL_PASS; - tf->lbah = SMART_HCYL_PASS; - tf->command = WIN_SMART; + tf->lbam = ATA_SMART_LBAM_PASS; + tf->lbah = ATA_SMART_LBAH_PASS; + tf->command = ATA_CMD_SMART; args.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE; args.data_phase = TASKFILE_IN; (void) smart_enable(drive); @@ -531,7 +453,7 @@ static int proc_idedisk_read_cache int len; if (drive->id_read) - len = sprintf(out, "%i\n", drive->id->buf_size / 2); + len = sprintf(out, "%i\n", drive->id[ATA_ID_BUF_SIZE] / 2); else len = sprintf(out, "(none)\n"); @@ -557,13 +479,14 @@ static int proc_idedisk_read_smart(char *page, char **start, off_t off, if (get_smart_data(drive, page, sub_cmd) == 0) { unsigned short *val = (unsigned short *) page; - char *out = ((char *)val) + (SECTOR_WORDS * 4); + char *out = (char *)val + SECTOR_SIZE; + page = out; do { out += sprintf(out, "%04x%c", le16_to_cpu(*val), (++i & 7) ? ' ' : '\n'); val += 1; - } while (i < (SECTOR_WORDS * 2)); + } while (i < SECTOR_SIZE / 2); len = out - page; } @@ -574,14 +497,14 @@ static int proc_idedisk_read_sv (char *page, char **start, off_t off, int count, int *eof, void *data) { return proc_idedisk_read_smart(page, start, off, count, eof, data, - SMART_READ_VALUES); + ATA_SMART_READ_VALUES); } static int proc_idedisk_read_st (char *page, char **start, off_t off, int count, int *eof, void *data) { return proc_idedisk_read_smart(page, start, off, count, eof, data, - SMART_READ_THRESHOLDS); + ATA_SMART_READ_THRESHOLDS); } static ide_proc_entry_t idedisk_proc[] = { @@ -603,11 +526,11 @@ static void idedisk_prepare_flush(struct request_queue *q, struct request *rq) BUG_ON(task == NULL); memset(task, 0, sizeof(*task)); - if (ide_id_has_flush_cache_ext(drive->id) && + if (ata_id_flush_ext_enabled(drive->id) && (drive->capacity64 >= (1UL << 28))) - task->tf.command = WIN_FLUSH_CACHE_EXT; + task->tf.command = ATA_CMD_FLUSH_EXT; else - task->tf.command = WIN_FLUSH_CACHE; + task->tf.command = ATA_CMD_FLUSH; task->tf_flags = IDE_TFLAG_OUT_TF | IDE_TFLAG_OUT_DEVICE | IDE_TFLAG_DYN; task->data_phase = TASKFILE_NO_DATA; @@ -617,6 +540,8 @@ static void idedisk_prepare_flush(struct request_queue *q, struct request *rq) rq->special = task; } +ide_devset_get(multcount, mult_count); + /* * This is tightly woven into the driver->do_special can not touch. * DON'T do it again until a total personality rewrite is committed. @@ -626,7 +551,7 @@ static int set_multcount(ide_drive_t *drive, int arg) struct request *rq; int error; - if (arg < 0 || arg > drive->id->max_multsect) + if (arg < 0 || arg > (drive->id[ATA_ID_MAX_MULTSECT] & 0xff)) return -EINVAL; if (drive->special.b.set_multmode) @@ -643,22 +568,21 @@ static int set_multcount(ide_drive_t *drive, int arg) return (drive->mult_count == arg) ? 0 : -EIO; } +ide_devset_get(nowerr, nowerr); + static int set_nowerr(ide_drive_t *drive, int arg) { if (arg < 0 || arg > 1) return -EINVAL; - if (ide_spin_wait_hwgroup(drive)) - return -EBUSY; drive->nowerr = arg; drive->bad_wstat = arg ? BAD_R_STAT : BAD_W_STAT; - spin_unlock_irq(&ide_lock); return 0; } static void update_ordered(ide_drive_t *drive) { - struct hd_driveid *id = drive->id; + u16 *id = drive->id; unsigned ordered = QUEUE_ORDERED_NONE; prepare_flush_fn *prep_fn = NULL; @@ -674,9 +598,9 @@ static void update_ordered(ide_drive_t *drive) * not available so we don't need to recheck that. */ capacity = idedisk_capacity(drive); - barrier = ide_id_has_flush_cache(id) && !drive->noflush && + barrier = ata_id_flush_enabled(id) && !drive->noflush && (drive->addressing == 0 || capacity <= (1ULL << 28) || - ide_id_has_flush_cache_ext(id)); + ata_id_flush_ext_enabled(id)); printk(KERN_INFO "%s: cache flushes %ssupported\n", drive->name, barrier ? "" : "not "); @@ -691,7 +615,9 @@ static void update_ordered(ide_drive_t *drive) blk_queue_ordered(drive->queue, ordered, prep_fn); } -static int write_cache(ide_drive_t *drive, int arg) +ide_devset_get(wcache, wcache); + +static int set_wcache(ide_drive_t *drive, int arg) { ide_task_t args; int err = 1; @@ -699,11 +625,11 @@ static int write_cache(ide_drive_t *drive, int arg) if (arg < 0 || arg > 1) return -EINVAL; - if (ide_id_has_flush_cache(drive->id)) { + if (ata_id_flush_enabled(drive->id)) { memset(&args, 0, sizeof(ide_task_t)); args.tf.feature = arg ? - SETFEATURES_EN_WCACHE : SETFEATURES_DIS_WCACHE; - args.tf.command = WIN_SETFEATURES; + SETFEATURES_WC_ON : SETFEATURES_WC_OFF; + args.tf.command = ATA_CMD_SET_FEATURES; args.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE; err = ide_no_data_taskfile(drive, &args); if (err == 0) @@ -720,14 +646,16 @@ static int do_idedisk_flushcache(ide_drive_t *drive) ide_task_t args; memset(&args, 0, sizeof(ide_task_t)); - if (ide_id_has_flush_cache_ext(drive->id)) - args.tf.command = WIN_FLUSH_CACHE_EXT; + if (ata_id_flush_ext_enabled(drive->id)) + args.tf.command = ATA_CMD_FLUSH_EXT; else - args.tf.command = WIN_FLUSH_CACHE; + args.tf.command = ATA_CMD_FLUSH; args.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE; return ide_no_data_taskfile(drive, &args); } +ide_devset_get(acoustic, acoustic); + static int set_acoustic(ide_drive_t *drive, int arg) { ide_task_t args; @@ -736,77 +664,80 @@ static int set_acoustic(ide_drive_t *drive, int arg) return -EINVAL; memset(&args, 0, sizeof(ide_task_t)); - args.tf.feature = arg ? SETFEATURES_EN_AAM : SETFEATURES_DIS_AAM; + args.tf.feature = arg ? SETFEATURES_AAM_ON : SETFEATURES_AAM_OFF; args.tf.nsect = arg; - args.tf.command = WIN_SETFEATURES; + args.tf.command = ATA_CMD_SET_FEATURES; args.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE; ide_no_data_taskfile(drive, &args); drive->acoustic = arg; return 0; } +ide_devset_get(addressing, addressing); + /* * drive->addressing: * 0: 28-bit * 1: 48-bit * 2: 48-bit capable doing 28-bit */ -static int set_lba_addressing(ide_drive_t *drive, int arg) +static int set_addressing(ide_drive_t *drive, int arg) { if (arg < 0 || arg > 2) return -EINVAL; - drive->addressing = 0; + if (arg && ((drive->hwif->host_flags & IDE_HFLAG_NO_LBA48) || + ata_id_lba48_enabled(drive->id) == 0)) + return -EIO; - if (drive->hwif->host_flags & IDE_HFLAG_NO_LBA48) - return 0; + if (arg == 2) + arg = 0; - if (!idedisk_supports_lba48(drive->id)) - return -EIO; drive->addressing = arg; + return 0; } +ide_devset_rw(acoustic, acoustic); +ide_devset_rw(address, addressing); +ide_devset_rw(multcount, multcount); +ide_devset_rw(wcache, wcache); + +ide_devset_rw_sync(nowerr, nowerr); + #ifdef CONFIG_IDE_PROC_FS -static void idedisk_add_settings(ide_drive_t *drive) -{ - struct hd_driveid *id = drive->id; - - ide_add_setting(drive, "bios_cyl", SETTING_RW, TYPE_INT, 0, 65535, 1, 1, - &drive->bios_cyl, NULL); - ide_add_setting(drive, "bios_head", SETTING_RW, TYPE_BYTE, 0, 255, 1, 1, - &drive->bios_head, NULL); - ide_add_setting(drive, "bios_sect", SETTING_RW, TYPE_BYTE, 0, 63, 1, 1, - &drive->bios_sect, NULL); - ide_add_setting(drive, "address", SETTING_RW, TYPE_BYTE, 0, 2, 1, 1, - &drive->addressing, set_lba_addressing); - ide_add_setting(drive, "multcount", SETTING_RW, TYPE_BYTE, 0, - id->max_multsect, 1, 1, &drive->mult_count, - set_multcount); - ide_add_setting(drive, "nowerr", SETTING_RW, TYPE_BYTE, 0, 1, 1, 1, - &drive->nowerr, set_nowerr); - ide_add_setting(drive, "lun", SETTING_RW, TYPE_INT, 0, 7, 1, 1, - &drive->lun, NULL); - ide_add_setting(drive, "wcache", SETTING_RW, TYPE_BYTE, 0, 1, 1, 1, - &drive->wcache, write_cache); - ide_add_setting(drive, "acoustic", SETTING_RW, TYPE_BYTE, 0, 254, 1, 1, - &drive->acoustic, set_acoustic); - ide_add_setting(drive, "failures", SETTING_RW, TYPE_INT, 0, 65535, 1, 1, - &drive->failures, NULL); - ide_add_setting(drive, "max_failures", SETTING_RW, TYPE_INT, 0, 65535, - 1, 1, &drive->max_failures, NULL); -} -#else -static inline void idedisk_add_settings(ide_drive_t *drive) { ; } +ide_devset_rw_field(bios_cyl, bios_cyl); +ide_devset_rw_field(bios_head, bios_head); +ide_devset_rw_field(bios_sect, bios_sect); +ide_devset_rw_field(failures, failures); +ide_devset_rw_field(lun, lun); +ide_devset_rw_field(max_failures, max_failures); + +static const struct ide_proc_devset idedisk_settings[] = { + IDE_PROC_DEVSET(acoustic, 0, 254), + IDE_PROC_DEVSET(address, 0, 2), + IDE_PROC_DEVSET(bios_cyl, 0, 65535), + IDE_PROC_DEVSET(bios_head, 0, 255), + IDE_PROC_DEVSET(bios_sect, 0, 63), + IDE_PROC_DEVSET(failures, 0, 65535), + IDE_PROC_DEVSET(lun, 0, 7), + IDE_PROC_DEVSET(max_failures, 0, 65535), + IDE_PROC_DEVSET(multcount, 0, 16), + IDE_PROC_DEVSET(nowerr, 0, 1), + IDE_PROC_DEVSET(wcache, 0, 1), + { 0 }, +}; #endif static void idedisk_setup(ide_drive_t *drive) { + struct ide_disk_obj *idkp = drive->driver_data; ide_hwif_t *hwif = drive->hwif; - struct hd_driveid *id = drive->id; + u16 *id = drive->id; + char *m = (char *)&id[ATA_ID_PROD]; unsigned long long capacity; - idedisk_add_settings(drive); + ide_proc_register_driver(drive, idkp->driver); if (drive->id_read == 0) return; @@ -815,11 +746,11 @@ static void idedisk_setup(ide_drive_t *drive) /* * Removable disks (eg. SYQUEST); ignore 'WD' drives */ - if (id->model[0] != 'W' || id->model[1] != 'D') + if (m[0] != 'W' || m[1] != 'D') drive->doorlocking = 1; } - (void)set_lba_addressing(drive, 1); + (void)set_addressing(drive, 1); if (drive->addressing == 1) { int max_s = 2048; @@ -861,8 +792,7 @@ static void idedisk_setup(ide_drive_t *drive) capacity = idedisk_capacity(drive); if (!drive->forced_geom) { - - if (idedisk_supports_lba48(drive->id)) { + if (ata_id_lba48_enabled(drive->id)) { /* compatibility */ drive->bios_sect = 63; drive->bios_head = 255; @@ -888,22 +818,22 @@ static void idedisk_setup(ide_drive_t *drive) drive->name, capacity, sectors_to_MB(capacity)); /* Only print cache size when it was specified */ - if (id->buf_size) - printk(KERN_CONT " w/%dKiB Cache", id->buf_size / 2); + if (id[ATA_ID_BUF_SIZE]) + printk(KERN_CONT " w/%dKiB Cache", id[ATA_ID_BUF_SIZE] / 2); printk(KERN_CONT ", CHS=%d/%d/%d\n", drive->bios_cyl, drive->bios_head, drive->bios_sect); /* write cache enabled? */ - if ((id->csfo & 1) || (id->cfs_enable_1 & (1 << 5))) + if ((id[ATA_ID_CSFO] & 1) || ata_id_wcache_enabled(id)) drive->wcache = 1; - write_cache(drive, 1); + set_wcache(drive, 1); } static void ide_cacheflush_p(ide_drive_t *drive) { - if (!drive->wcache || !ide_id_has_flush_cache(drive->id)) + if (!drive->wcache || ata_id_flush_enabled(drive->id) == 0) return; if (do_idedisk_flushcache(drive)) @@ -945,7 +875,7 @@ static int ide_disk_probe(ide_drive_t *drive); */ static void ide_disk_resume(ide_drive_t *drive) { - if (idedisk_supports_hpa(drive->id)) + if (ata_id_hpa_enabled(drive->id)) init_idedisk_capacity(drive); } @@ -988,12 +918,12 @@ static ide_driver_t idedisk_driver = { .shutdown = ide_device_shutdown, .version = IDEDISK_VERSION, .media = ide_disk, - .supports_dsc_overlap = 0, .do_request = ide_do_rw_disk, .end_request = ide_end_request, .error = __ide_error, #ifdef CONFIG_IDE_PROC_FS .proc = idedisk_proc, + .settings = idedisk_settings, #endif }; @@ -1002,7 +932,7 @@ static int idedisk_set_doorlock(ide_drive_t *drive, int on) ide_task_t task; memset(&task, 0, sizeof(task)); - task.tf.command = on ? WIN_DOORLOCK : WIN_DOORUNLOCK; + task.tf.command = on ? ATA_CMD_MEDIA_LOCK : ATA_CMD_MEDIA_UNLOCK; task.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE; return ide_no_data_taskfile(drive, &task); @@ -1067,52 +997,28 @@ static int idedisk_getgeo(struct block_device *bdev, struct hd_geometry *geo) return 0; } +static const struct ide_ioctl_devset ide_disk_ioctl_settings[] = { +{ HDIO_GET_ADDRESS, HDIO_SET_ADDRESS, &ide_devset_address }, +{ HDIO_GET_MULTCOUNT, HDIO_SET_MULTCOUNT, &ide_devset_multcount }, +{ HDIO_GET_NOWERR, HDIO_SET_NOWERR, &ide_devset_nowerr }, +{ HDIO_GET_WCACHE, HDIO_SET_WCACHE, &ide_devset_wcache }, +{ HDIO_GET_ACOUSTIC, HDIO_SET_ACOUSTIC, &ide_devset_acoustic }, +{ 0 } +}; + static int idedisk_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) { - unsigned long flags; struct block_device *bdev = inode->i_bdev; struct ide_disk_obj *idkp = ide_disk_g(bdev->bd_disk); ide_drive_t *drive = idkp->drive; - int err, (*setfunc)(ide_drive_t *, int); - u8 *val; - - switch (cmd) { - case HDIO_GET_ADDRESS: val = &drive->addressing; goto read_val; - case HDIO_GET_MULTCOUNT: val = &drive->mult_count; goto read_val; - case HDIO_GET_NOWERR: val = &drive->nowerr; goto read_val; - case HDIO_GET_WCACHE: val = &drive->wcache; goto read_val; - case HDIO_GET_ACOUSTIC: val = &drive->acoustic; goto read_val; - case HDIO_SET_ADDRESS: setfunc = set_lba_addressing; goto set_val; - case HDIO_SET_MULTCOUNT: setfunc = set_multcount; goto set_val; - case HDIO_SET_NOWERR: setfunc = set_nowerr; goto set_val; - case HDIO_SET_WCACHE: setfunc = write_cache; goto set_val; - case HDIO_SET_ACOUSTIC: setfunc = set_acoustic; goto set_val; - } + int err; - return generic_ide_ioctl(drive, file, bdev, cmd, arg); + err = ide_setting_ioctl(drive, bdev, cmd, arg, ide_disk_ioctl_settings); + if (err != -EOPNOTSUPP) + return err; -read_val: - mutex_lock(&ide_setting_mtx); - spin_lock_irqsave(&ide_lock, flags); - err = *val; - spin_unlock_irqrestore(&ide_lock, flags); - mutex_unlock(&ide_setting_mtx); - return err >= 0 ? put_user(err, (long __user *)arg) : err; - -set_val: - if (bdev != bdev->bd_contains) - err = -EINVAL; - else { - if (!capable(CAP_SYS_ADMIN)) - err = -EACCES; - else { - mutex_lock(&ide_setting_mtx); - err = setfunc(drive, arg); - mutex_unlock(&ide_setting_mtx); - } - } - return err; + return generic_ide_ioctl(drive, file, bdev, cmd, arg); } static int idedisk_media_changed(struct gendisk *disk) @@ -1156,8 +1062,7 @@ static int ide_disk_probe(ide_drive_t *drive) /* strstr("foo", "") is non-NULL */ if (!strstr("ide-disk", drive->driver_req)) goto failed; - if (!drive->present) - goto failed; + if (drive->media != ide_disk) goto failed; @@ -1165,15 +1070,12 @@ static int ide_disk_probe(ide_drive_t *drive) if (!idkp) goto failed; - g = alloc_disk_node(1 << PARTN_BITS, - hwif_to_node(drive->hwif)); + g = alloc_disk_node(IDE_DISK_MINORS, hwif_to_node(drive->hwif)); if (!g) goto out_free_idkp; ide_init_disk(g, drive); - ide_proc_register_driver(drive, &idedisk_driver); - kref_init(&idkp->kref); idkp->drive = drive; @@ -1192,9 +1094,11 @@ static int ide_disk_probe(ide_drive_t *drive) } else drive->attach = 1; - g->minors = 1 << PARTN_BITS; + g->minors = IDE_DISK_MINORS; g->driverfs_dev = &drive->gendev; - g->flags = drive->removable ? GENHD_FL_REMOVABLE : 0; + g->flags |= GENHD_FL_EXT_DEVT; + if (drive->removable) + g->flags |= GENHD_FL_REMOVABLE; set_capacity(g, idedisk_capacity(drive)); g->fops = &idedisk_ops; add_disk(g);