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ide: add device flags

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Add 'unsigned long dev_flags' to ide_drive_t and convert bitfields
to IDE_DFLAG_* flags.

While at it:
- IDE_DFLAG_ADDRESSING -> IDE_DFLAG_LBA48
- fixup some comments
- remove needless g->flags zeroing from ide*_probe()

There should be no functional changes caused by this patch.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Bartlomiej Zolnierkiewicz 2008-10-13 21:39:36 +02:00
parent be3c096ebd
commit 97100fc816
26 changed files with 370 additions and 243 deletions
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12
drivers/ide/ide-acpi.c
View file

@ -290,7 +290,7 @@ static int do_drive_get_GTF(ide_drive_t *drive,
DEBPRINT("ENTER: %s at %s, port#: %d, hard_port#: %d\n",
hwif->name, dev->bus_id, port, hwif->channel);
if (!drive->present) {
if ((drive->dev_flags & IDE_DFLAG_PRESENT) == 0) {
DEBPRINT("%s drive %d:%d not present\n",
hwif->name, hwif->channel, port);
goto out;
@ -420,8 +420,9 @@ static int do_drive_set_taskfiles(ide_drive_t *drive,
DEBPRINT("ENTER: %s, hard_port#: %d\n", drive->name, drive->dn);
if (!drive->present)
if ((drive->dev_flags & IDE_DFLAG_PRESENT) == 0)
goto out;
if (!gtf_count) /* shouldn't be here */
goto out;
@ -660,7 +661,8 @@ void ide_acpi_set_state(ide_hwif_t *hwif, int on)
if (!drive->acpidata->obj_handle)
drive->acpidata->obj_handle = ide_acpi_drive_get_handle(drive);
if (drive->acpidata->obj_handle && drive->present) {
if (drive->acpidata->obj_handle &&
(drive->dev_flags & IDE_DFLAG_PRESENT)) {
acpi_bus_set_power(drive->acpidata->obj_handle,
on? ACPI_STATE_D0: ACPI_STATE_D3);
}
@ -720,7 +722,7 @@ void ide_acpi_port_init_devices(ide_hwif_t *hwif)
memset(drive->acpidata, 0, sizeof(*drive->acpidata));
if (!drive->present)
if ((drive->dev_flags & IDE_DFLAG_PRESENT) == 0)
continue;
err = taskfile_lib_get_identify(drive, drive->acpidata->idbuff);
@ -745,7 +747,7 @@ void ide_acpi_port_init_devices(ide_hwif_t *hwif)
for (i = 0; i < MAX_DRIVES; i++) {
drive = &hwif->drives[i];
if (drive->present)
if (drive->dev_flags & IDE_DFLAG_PRESENT)
/* Execute ACPI startup code */
ide_acpi_exec_tfs(drive);
}

21
drivers/ide/ide-atapi.c
View file

@ -261,7 +261,7 @@ static ide_startstop_t ide_pc_intr(ide_drive_t *drive)
ide_expiry_t *expiry;
unsigned int timeout, temp;
u16 bcount;
u8 stat, ireason, scsi = drive->scsi, dsc = 0;
u8 stat, ireason, scsi = !!(drive->dev_flags & IDE_DFLAG_SCSI), dsc = 0;
debug_log("Enter %s - interrupt handler\n", __func__);
@ -494,7 +494,8 @@ static ide_startstop_t ide_transfer_pc(ide_drive_t *drive)
}
ireason = ide_read_ireason(drive);
if (drive->media == ide_tape && !drive->scsi)
if (drive->media == ide_tape &&
(drive->dev_flags & IDE_DFLAG_SCSI) == 0)
ireason = ide_wait_ireason(drive, ireason);
if ((ireason & ATAPI_COD) == 0 || (ireason & ATAPI_IO)) {
@ -512,7 +513,7 @@ static ide_startstop_t ide_transfer_pc(ide_drive_t *drive)
timeout = drive->pc_delay;
expiry = &ide_delayed_transfer_pc;
} else {
if (drive->scsi) {
if (drive->dev_flags & IDE_DFLAG_SCSI) {
timeout = ide_scsi_get_timeout(pc);
expiry = ide_scsi_expiry;
} else {
@ -544,14 +545,14 @@ ide_startstop_t ide_issue_pc(ide_drive_t *drive, unsigned int timeout,
struct ide_atapi_pc *pc = drive->pc;
ide_hwif_t *hwif = drive->hwif;
u16 bcount;
u8 dma = 0;
u8 dma = 0, scsi = !!(drive->dev_flags & IDE_DFLAG_SCSI);
/* We haven't transferred any data yet */
pc->xferred = 0;
pc->cur_pos = pc->buf;
/* Request to transfer the entire buffer at once */
if (drive->media == ide_tape && !drive->scsi)
if (drive->media == ide_tape && scsi == 0)
bcount = pc->req_xfer;
else
bcount = min(pc->req_xfer, 63 * 1024);
@ -561,19 +562,19 @@ ide_startstop_t ide_issue_pc(ide_drive_t *drive, unsigned int timeout,
ide_dma_off(drive);
}
if ((pc->flags & PC_FLAG_DMA_OK) && drive->using_dma) {
if (drive->scsi)
if ((pc->flags & PC_FLAG_DMA_OK) &&
(drive->dev_flags & IDE_DFLAG_USING_DMA)) {
if (scsi)
hwif->sg_mapped = 1;
dma = !hwif->dma_ops->dma_setup(drive);
if (drive->scsi)
if (scsi)
hwif->sg_mapped = 0;
}
if (!dma)
pc->flags &= ~PC_FLAG_DMA_OK;
ide_pktcmd_tf_load(drive, drive->scsi ? 0 : IDE_TFLAG_OUT_DEVICE,
bcount, dma);
ide_pktcmd_tf_load(drive, scsi ? 0 : IDE_TFLAG_OUT_DEVICE, bcount, dma);
/* Issue the packet command */
if (drive->atapi_flags & IDE_AFLAG_DRQ_INTERRUPT) {

17
drivers/ide/ide-cd.c
View file

@ -741,7 +741,7 @@ static ide_startstop_t cdrom_seek_intr(ide_drive_t *drive)
if (retry && time_after(jiffies, info->start_seek + IDECD_SEEK_TIMER)) {
if (--retry == 0)
drive->dsc_overlap = 0;
drive->dev_flags &= ~IDE_DFLAG_DSC_OVERLAP;
}
return ide_stopped;
}
@ -1129,7 +1129,7 @@ static ide_startstop_t cdrom_start_rw(ide_drive_t *drive, struct request *rq)
}
cd->dma = 0;
} else
cd->dma = drive->using_dma;
cd->dma = !!(drive->dev_flags & IDE_DFLAG_USING_DMA);
if (write)
cd->devinfo.media_written = 1;
@ -1166,7 +1166,7 @@ static void cdrom_do_block_pc(ide_drive_t *drive, struct request *rq)
else
buf = rq->data;
info->dma = drive->using_dma;
info->dma = !!(drive->dev_flags & IDE_DFLAG_USING_DMA);
/*
* check if dma is safe
@ -1211,7 +1211,7 @@ static ide_startstop_t ide_cd_do_request(ide_drive_t *drive, struct request *rq,
if (rq_data_dir(rq) == READ &&
IDE_LARGE_SEEK(info->last_block, block,
IDECD_SEEK_THRESHOLD) &&
drive->dsc_overlap) {
(drive->dev_flags & IDE_DFLAG_DSC_OVERLAP)) {
xferlen = 0;
fn = cdrom_start_seek_continuation;
@ -1804,7 +1804,7 @@ static ide_proc_entry_t idecd_proc[] = {
{ NULL, 0, NULL, NULL }
};
ide_devset_rw_field(dsc_overlap, dsc_overlap);
ide_devset_rw_flag(dsc_overlap, IDE_DFLAG_DSC_OVERLAP);
static const struct ide_proc_devset idecd_settings[] = {
IDE_PROC_DEVSET(dsc_overlap, 0, 1),
@ -1910,7 +1910,10 @@ static int ide_cdrom_setup(ide_drive_t *drive)
/* set correct block size */
blk_queue_hardsect_size(drive->queue, CD_FRAMESIZE);
drive->dsc_overlap = (drive->next != drive);
if (drive->next != drive)
drive->dev_flags |= IDE_DFLAG_DSC_OVERLAP;
else
drive->dev_flags &= ~IDE_DFLAG_DSC_OVERLAP;
if (ide_cdrom_register(drive, nslots)) {
printk(KERN_ERR "%s: %s failed to register device with the"
@ -1944,7 +1947,7 @@ static void ide_cd_release(struct kref *kref)
kfree(info->toc);
if (devinfo->handle == drive)
unregister_cdrom(devinfo);
drive->dsc_overlap = 0;
drive->dev_flags &= ~IDE_DFLAG_DSC_OVERLAP;
drive->driver_data = NULL;
blk_queue_prep_rq(drive->queue, NULL);
g->private_data = NULL;

94
drivers/ide/ide-disk.c
View file

@ -140,9 +140,9 @@ static ide_startstop_t __ide_do_rw_disk(ide_drive_t *drive, struct request *rq,
sector_t block)
{
ide_hwif_t *hwif = HWIF(drive);
unsigned int dma = drive->using_dma;
u16 nsectors = (u16)rq->nr_sectors;
u8 lba48 = (drive->addressing == 1) ? 1 : 0;
u8 lba48 = !!(drive->dev_flags & IDE_DFLAG_LBA48);
u8 dma = !!(drive->dev_flags & IDE_DFLAG_USING_DMA);
ide_task_t task;
struct ide_taskfile *tf = &task.tf;
ide_startstop_t rc;
@ -237,7 +237,7 @@ static ide_startstop_t ide_do_rw_disk(ide_drive_t *drive, struct request *rq,
{
ide_hwif_t *hwif = HWIF(drive);
BUG_ON(drive->blocked);
BUG_ON(drive->dev_flags & IDE_DFLAG_BLOCKED);
if (!blk_fs_request(rq)) {
blk_dump_rq_flags(rq, "ide_do_rw_disk - bad command");
@ -452,7 +452,7 @@ static int proc_idedisk_read_cache
char *out = page;
int len;
if (drive->id_read)
if (drive->dev_flags & IDE_DFLAG_ID_READ)
len = sprintf(out, "%i\n", drive->id[ATA_ID_BUF_SIZE] / 2);
else
len = sprintf(out, "(none)\n");
@ -568,15 +568,20 @@ static int set_multcount(ide_drive_t *drive, int arg)
return (drive->mult_count == arg) ? 0 : -EIO;
}
ide_devset_get(nowerr, nowerr);
ide_devset_get_flag(nowerr, IDE_DFLAG_NOWERR);
static int set_nowerr(ide_drive_t *drive, int arg)
{
if (arg < 0 || arg > 1)
return -EINVAL;
drive->nowerr = arg;
if (arg)
drive->dev_flags |= IDE_DFLAG_NOWERR;
else
drive->dev_flags &= ~IDE_DFLAG_NOWERR;
drive->bad_wstat = arg ? BAD_R_STAT : BAD_W_STAT;
return 0;
}
@ -599,7 +604,7 @@ static void update_ordered(ide_drive_t *drive)
unsigned ordered = QUEUE_ORDERED_NONE;
prepare_flush_fn *prep_fn = NULL;
if (drive->wcache) {
if (drive->dev_flags & IDE_DFLAG_WCACHE) {
unsigned long long capacity;
int barrier;
/*
@ -611,8 +616,10 @@ static void update_ordered(ide_drive_t *drive)
* not available so we don't need to recheck that.
*/
capacity = idedisk_capacity(drive);
barrier = ata_id_flush_enabled(id) && !drive->noflush &&
(drive->addressing == 0 || capacity <= (1ULL << 28) ||
barrier = ata_id_flush_enabled(id) &&
(drive->dev_flags & IDE_DFLAG_NOFLUSH) == 0 &&
((drive->dev_flags & IDE_DFLAG_LBA48) == 0 ||
capacity <= (1ULL << 28) ||
ata_id_flush_ext_enabled(id));
printk(KERN_INFO "%s: cache flushes %ssupported\n",
@ -628,7 +635,7 @@ static void update_ordered(ide_drive_t *drive)
blk_queue_ordered(drive->queue, ordered, prep_fn);
}
ide_devset_get(wcache, wcache);
ide_devset_get_flag(wcache, IDE_DFLAG_WCACHE);
static int set_wcache(ide_drive_t *drive, int arg)
{
@ -640,8 +647,12 @@ static int set_wcache(ide_drive_t *drive, int arg)
if (ata_id_flush_enabled(drive->id)) {
err = ide_do_setfeature(drive,
arg ? SETFEATURES_WC_ON : SETFEATURES_WC_OFF, 0);
if (err == 0)
drive->wcache = arg;
if (err == 0) {
if (arg)
drive->dev_flags |= IDE_DFLAG_WCACHE;
else
drive->dev_flags &= ~IDE_DFLAG_WCACHE;
}
}
update_ordered(drive);
@ -677,7 +688,7 @@ static int set_acoustic(ide_drive_t *drive, int arg)
return 0;
}
ide_devset_get(addressing, addressing);
ide_devset_get_flag(addressing, IDE_DFLAG_LBA48);
/*
* drive->addressing:
@ -697,7 +708,10 @@ static int set_addressing(ide_drive_t *drive, int arg)
if (arg == 2)
arg = 0;
drive->addressing = arg;
if (arg)
drive->dev_flags |= IDE_DFLAG_LBA48;
else
drive->dev_flags &= ~IDE_DFLAG_LBA48;
return 0;
}
@ -743,20 +757,20 @@ static void idedisk_setup(ide_drive_t *drive)
ide_proc_register_driver(drive, idkp->driver);
if (drive->id_read == 0)
if ((drive->dev_flags & IDE_DFLAG_ID_READ) == 0)
return;
if (drive->removable) {
if (drive->dev_flags & IDE_DFLAG_REMOVABLE) {
/*
* Removable disks (eg. SYQUEST); ignore 'WD' drives
*/
if (m[0] != 'W' || m[1] != 'D')
drive->doorlocking = 1;
drive->dev_flags |= IDE_DFLAG_DOORLOCKING;
}
(void)set_addressing(drive, 1);
if (drive->addressing == 1) {
if (drive->dev_flags & IDE_DFLAG_LBA48) {
int max_s = 2048;
if (max_s > hwif->rqsize)
@ -772,7 +786,8 @@ static void idedisk_setup(ide_drive_t *drive)
init_idedisk_capacity(drive);
/* limit drive capacity to 137GB if LBA48 cannot be used */
if (drive->addressing == 0 && drive->capacity64 > 1ULL << 28) {
if ((drive->dev_flags & IDE_DFLAG_LBA48) == 0 &&
drive->capacity64 > 1ULL << 28) {
printk(KERN_WARNING "%s: cannot use LBA48 - full capacity "
"%llu sectors (%llu MB)\n",
drive->name, (unsigned long long)drive->capacity64,
@ -780,13 +795,14 @@ static void idedisk_setup(ide_drive_t *drive)
drive->capacity64 = 1ULL << 28;
}
if ((hwif->host_flags & IDE_HFLAG_NO_LBA48_DMA) && drive->addressing) {
if ((hwif->host_flags & IDE_HFLAG_NO_LBA48_DMA) &&
(drive->dev_flags & IDE_DFLAG_LBA48)) {
if (drive->capacity64 > 1ULL << 28) {
printk(KERN_INFO "%s: cannot use LBA48 DMA - PIO mode"
" will be used for accessing sectors "
"> %u\n", drive->name, 1 << 28);
} else
drive->addressing = 0;
drive->dev_flags &= ~IDE_DFLAG_LBA48;
}
/*
@ -795,7 +811,7 @@ static void idedisk_setup(ide_drive_t *drive)
*/
capacity = idedisk_capacity(drive);
if (!drive->forced_geom) {
if ((drive->dev_flags & IDE_DFLAG_FORCED_GEOM) == 0) {
if (ata_id_lba48_enabled(drive->id)) {
/* compatibility */
drive->bios_sect = 63;
@ -830,14 +846,15 @@ static void idedisk_setup(ide_drive_t *drive)
/* write cache enabled? */
if ((id[ATA_ID_CSFO] & 1) || ata_id_wcache_enabled(id))
drive->wcache = 1;
drive->dev_flags |= IDE_DFLAG_WCACHE;
set_wcache(drive, 1);
}
static void ide_cacheflush_p(ide_drive_t *drive)
{
if (!drive->wcache || ata_id_flush_enabled(drive->id) == 0)
if (ata_id_flush_enabled(drive->id) == 0 ||
(drive->dev_flags & IDE_DFLAG_WCACHE) == 0)
return;
if (do_idedisk_flushcache(drive))
@ -956,15 +973,16 @@ static int idedisk_open(struct inode *inode, struct file *filp)
idkp->openers++;
if (drive->removable && idkp->openers == 1) {
if ((drive->dev_flags & IDE_DFLAG_REMOVABLE) && idkp->openers == 1) {
check_disk_change(inode->i_bdev);
/*
* Ignore the return code from door_lock,
* since the open() has already succeeded,
* and the door_lock is irrelevant at this point.
*/
if (drive->doorlocking && idedisk_set_doorlock(drive, 1))
drive->doorlocking = 0;
if ((drive->dev_flags & IDE_DFLAG_DOORLOCKING) &&
idedisk_set_doorlock(drive, 1))
drive->dev_flags &= ~IDE_DFLAG_DOORLOCKING;
}
return 0;
}
@ -978,9 +996,10 @@ static int idedisk_release(struct inode *inode, struct file *filp)
if (idkp->openers == 1)
ide_cacheflush_p(drive);
if (drive->removable && idkp->openers == 1) {
if (drive->doorlocking && idedisk_set_doorlock(drive, 0))
drive->doorlocking = 0;
if ((drive->dev_flags & IDE_DFLAG_REMOVABLE) && idkp->openers == 1) {
if ((drive->dev_flags & IDE_DFLAG_DOORLOCKING) &&
idedisk_set_doorlock(drive, 0))
drive->dev_flags &= ~IDE_DFLAG_DOORLOCKING;
}
idkp->openers--;
@ -1031,12 +1050,13 @@ static int idedisk_media_changed(struct gendisk *disk)
ide_drive_t *drive = idkp->drive;
/* do not scan partitions twice if this is a removable device */
if (drive->attach) {
drive->attach = 0;
if (drive->dev_flags & IDE_DFLAG_ATTACH) {
drive->dev_flags &= ~IDE_DFLAG_ATTACH;
return 0;
}
/* if removable, always assume it was changed */
return drive->removable;
return !!(drive->dev_flags & IDE_DFLAG_REMOVABLE);
}
static int idedisk_revalidate_disk(struct gendisk *disk)
@ -1094,15 +1114,15 @@ static int ide_disk_probe(ide_drive_t *drive)
if ((!drive->head || drive->head > 16) && !drive->select.b.lba) {
printk(KERN_ERR "%s: INVALID GEOMETRY: %d PHYSICAL HEADS?\n",
drive->name, drive->head);
drive->attach = 0;
drive->dev_flags &= ~IDE_DFLAG_ATTACH;
} else
drive->attach = 1;
drive->dev_flags |= IDE_DFLAG_ATTACH;
g->minors = IDE_DISK_MINORS;
g->driverfs_dev = &drive->gendev;
g->flags |= GENHD_FL_EXT_DEVT;
if (drive->removable)
g->flags |= GENHD_FL_REMOVABLE;
if (drive->dev_flags & IDE_DFLAG_REMOVABLE)
g->flags = GENHD_FL_REMOVABLE;
set_capacity(g, idedisk_capacity(drive));
g->fops = &idedisk_ops;
add_disk(g);

7
drivers/ide/ide-dma.c
View file

@ -397,7 +397,7 @@ EXPORT_SYMBOL_GPL(ide_dma_host_set);
void ide_dma_off_quietly(ide_drive_t *drive)
{
drive->using_dma = 0;
drive->dev_flags &= ~IDE_DFLAG_USING_DMA;
ide_toggle_bounce(drive, 0);
drive->hwif->dma_ops->dma_host_set(drive, 0);
@ -430,7 +430,7 @@ EXPORT_SYMBOL(ide_dma_off);
void ide_dma_on(ide_drive_t *drive)
{
drive->using_dma = 1;
drive->dev_flags |= IDE_DFLAG_USING_DMA;
ide_toggle_bounce(drive, 1);
drive->hwif->dma_ops->dma_host_set(drive, 1);
@ -727,7 +727,8 @@ static int ide_tune_dma(ide_drive_t *drive)
ide_hwif_t *hwif = drive->hwif;
u8 speed;
if (drive->nodma || ata_id_has_dma(drive->id) == 0)
if (ata_id_has_dma(drive->id) == 0 ||
(drive->dev_flags & IDE_DFLAG_NODMA))
return 0;
/* consult the list of known "bad" drives */

9
drivers/ide/ide-floppy.c
View file

@ -828,8 +828,8 @@ static int idefloppy_media_changed(struct gendisk *disk)
int ret;
/* do not scan partitions twice if this is a removable device */
if (drive->attach) {
drive->attach = 0;
if (drive->dev_flags & IDE_DFLAG_ATTACH) {
drive->dev_flags &= ~IDE_DFLAG_ATTACH;
return 0;
}
ret = !!(drive->atapi_flags & IDE_AFLAG_MEDIA_CHANGED);
@ -896,12 +896,13 @@ static int ide_floppy_probe(ide_drive_t *drive)
drive->debug_mask = debug_mask;
idefloppy_setup(drive, floppy);
drive->dev_flags |= IDE_DFLAG_ATTACH;
g->minors = 1 << PARTN_BITS;
g->driverfs_dev = &drive->gendev;
g->flags = drive->removable ? GENHD_FL_REMOVABLE : 0;
if (drive->dev_flags & IDE_DFLAG_REMOVABLE)
g->flags = GENHD_FL_REMOVABLE;
g->fops = &idefloppy_ops;
drive->attach = 1;
add_disk(g);
return 0;

55
drivers/ide/ide-io.c
View file

@ -184,7 +184,8 @@ static ide_startstop_t ide_start_power_step(ide_drive_t *drive, struct request *
if (drive->media != ide_disk)
break;
/* Not supported? Switch to next step now. */
if (!drive->wcache || ata_id_flush_enabled(drive->id) == 0) {
if (ata_id_flush_enabled(drive->id) == 0 ||
(drive->dev_flags & IDE_DFLAG_WCACHE) == 0) {
ide_complete_power_step(drive, rq, 0, 0);
return ide_stopped;
}
@ -222,7 +223,7 @@ static ide_startstop_t ide_start_power_step(ide_drive_t *drive, struct request *
if (drive->hwif->dma_ops == NULL)
break;
/*
* TODO: respect ->using_dma setting
* TODO: respect IDE_DFLAG_USING_DMA
*/
ide_set_dma(drive);
break;
@ -287,7 +288,7 @@ static void ide_complete_pm_request (ide_drive_t *drive, struct request *rq)
if (blk_pm_suspend_request(rq)) {
blk_stop_queue(drive->queue);
} else {
drive->blocked = 0;
drive->dev_flags &= ~IDE_DFLAG_BLOCKED;
blk_start_queue(drive->queue);
}
HWGROUP(drive)->rq = NULL;
@ -374,7 +375,8 @@ static ide_startstop_t ide_ata_error(ide_drive_t *drive, struct request *rq, u8
{
ide_hwif_t *hwif = drive->hwif;
if ((stat & ATA_BUSY) || ((stat & ATA_DF) && !drive->nowerr)) {
if ((stat & ATA_BUSY) ||
((stat & ATA_DF) && (drive->dev_flags & IDE_DFLAG_NOWERR) == 0)) {
/* other bits are useless when BUSY */
rq->errors |= ERROR_RESET;
} else if (stat & ATA_ERR) {
@ -428,7 +430,8 @@ static ide_startstop_t ide_atapi_error(ide_drive_t *drive, struct request *rq, u
{
ide_hwif_t *hwif = drive->hwif;
if ((stat & ATA_BUSY) || ((stat & ATA_DF) && !drive->nowerr)) {
if ((stat & ATA_BUSY) ||
((stat & ATA_DF) && (drive->dev_flags & IDE_DFLAG_NOWERR) == 0)) {
/* other bits are useless when BUSY */
rq->errors |= ERROR_RESET;
} else {
@ -607,7 +610,7 @@ static ide_startstop_t do_special (ide_drive_t *drive)
if (set_pio_mode_abuse(drive->hwif, req_pio)) {
/*
* take ide_lock for drive->[no_]unmask/[no_]io_32bit
* take ide_lock for IDE_DFLAG_[NO_]UNMASK/[NO_]IO_32BIT
*/
if (req_pio == 8 || req_pio == 9) {
unsigned long flags;
@ -618,7 +621,8 @@ static ide_startstop_t do_special (ide_drive_t *drive)
} else
port_ops->set_pio_mode(drive, req_pio);
} else {
int keep_dma = drive->using_dma;
int keep_dma =
!!(drive->dev_flags & IDE_DFLAG_USING_DMA);
ide_set_pio(drive, req_pio);
@ -775,7 +779,7 @@ static void ide_check_pm_state(ide_drive_t *drive, struct request *rq)
if (blk_pm_suspend_request(rq) &&
pm->pm_step == ide_pm_state_start_suspend)
/* Mark drive blocked when starting the suspend sequence. */
drive->blocked = 1;
drive->dev_flags |= IDE_DFLAG_BLOCKED;
else if (blk_pm_resume_request(rq) &&
pm->pm_step == ide_pm_state_start_resume) {
/*
@ -895,7 +899,7 @@ void ide_stall_queue (ide_drive_t *drive, unsigned long timeout)
if (timeout > WAIT_WORSTCASE)
timeout = WAIT_WORSTCASE;
drive->sleep = timeout + jiffies;
drive->sleeping = 1;
drive->dev_flags |= IDE_DFLAG_SLEEPING;
}
EXPORT_SYMBOL(ide_stall_queue);
@ -935,18 +939,23 @@ static inline ide_drive_t *choose_drive (ide_hwgroup_t *hwgroup)
}
do {
if ((!drive->sleeping || time_after_eq(jiffies, drive->sleep))
&& !elv_queue_empty(drive->queue)) {
if (!best
|| (drive->sleeping && (!best->sleeping || time_before(drive->sleep, best->sleep)))
|| (!best->sleeping && time_before(WAKEUP(drive), WAKEUP(best))))
{
u8 dev_s = !!(drive->dev_flags & IDE_DFLAG_SLEEPING);
u8 best_s = (best && !!(best->dev_flags & IDE_DFLAG_SLEEPING));
if ((dev_s == 0 || time_after_eq(jiffies, drive->sleep)) &&
!elv_queue_empty(drive->queue)) {
if (best == NULL ||
(dev_s && (best_s == 0 || time_before(drive->sleep, best->sleep))) ||
(best_s == 0 && time_before(WAKEUP(drive), WAKEUP(best)))) {
if (!blk_queue_plugged(drive->queue))
best = drive;
}
}
} while ((drive = drive->next) != hwgroup->drive);
if (best && best->nice1 && !best->sleeping && best != hwgroup->drive && best->service_time > WAIT_MIN_SLEEP) {
if (best && (best->dev_flags & IDE_DFLAG_NICE1) &&
(best->dev_flags & IDE_DFLAG_SLEEPING) == 0 &&
best != hwgroup->drive && best->service_time > WAIT_MIN_SLEEP) {
long t = (signed long)(WAKEUP(best) - jiffies);
if (t >= WAIT_MIN_SLEEP) {
/*
@ -955,7 +964,7 @@ static inline ide_drive_t *choose_drive (ide_hwgroup_t *hwgroup)
*/
drive = best->next;
do {
if (!drive->sleeping
if ((drive->dev_flags & IDE_DFLAG_SLEEPING) == 0
&& time_before(jiffies - best->service_time, WAKEUP(drive))
&& time_before(WAKEUP(drive), jiffies + t))
{
@ -1026,7 +1035,9 @@ static void ide_do_request (ide_hwgroup_t *hwgroup, int masked_irq)
hwgroup->rq = NULL;
drive = hwgroup->drive;
do {
if (drive->sleeping && (!sleeping || time_before(drive->sleep, sleep))) {
if ((drive->dev_flags & IDE_DFLAG_SLEEPING) &&
(sleeping == 0 ||
time_before(drive->sleep, sleep))) {
sleeping = 1;
sleep = drive->sleep;
}
@ -1075,7 +1086,7 @@ static void ide_do_request (ide_hwgroup_t *hwgroup, int masked_irq)
}
hwgroup->hwif = hwif;
hwgroup->drive = drive;
drive->sleeping = 0;
drive->dev_flags &= ~IDE_DFLAG_SLEEPING;
drive->service_start = jiffies;
if (blk_queue_plugged(drive->queue)) {
@ -1109,7 +1120,9 @@ static void ide_do_request (ide_hwgroup_t *hwgroup, int masked_irq)
* We count how many times we loop here to make sure we service
* all drives in the hwgroup without looping for ever
*/
if (drive->blocked && !blk_pm_request(rq) && !(rq->cmd_flags & REQ_PREEMPT)) {
if ((drive->dev_flags & IDE_DFLAG_BLOCKED) &&
blk_pm_request(rq) == 0 &&
(rq->cmd_flags & REQ_PREEMPT) == 0) {
drive = drive->next ? drive->next : hwgroup->drive;
if (loops++ < 4 && !blk_queue_plugged(drive->queue))
goto again;
@ -1491,7 +1504,7 @@ irqreturn_t ide_intr (int irq, void *dev_id)
*/
hwif->ide_dma_clear_irq(drive);
if (drive->unmask)
if (drive->dev_flags & IDE_DFLAG_UNMASK)
local_irq_enable_in_hardirq();
/* service this interrupt, may set handler for next interrupt */
startstop = handler(drive);

21
drivers/ide/ide-ioctls.c
View file

@ -62,7 +62,7 @@ static int ide_get_identity_ioctl(ide_drive_t *drive, unsigned int cmd,
int size = (cmd == HDIO_GET_IDENTITY) ? (ATA_ID_WORDS * 2) : 142;
int rc = 0;
if (drive->id_read == 0) {
if ((drive->dev_flags & IDE_DFLAG_ID_READ) == 0) {
rc = -ENOMSG;
goto out;
}
@ -86,8 +86,10 @@ static int ide_get_identity_ioctl(ide_drive_t *drive, unsigned int cmd,
static int ide_get_nice_ioctl(ide_drive_t *drive, unsigned long arg)
{
return put_user((drive->dsc_overlap << IDE_NICE_DSC_OVERLAP) |
(drive->nice1 << IDE_NICE_1), (long __user *)arg);
return put_user((!!(drive->dev_flags & IDE_DFLAG_DSC_OVERLAP)
<< IDE_NICE_DSC_OVERLAP) |
(!!(drive->dev_flags & IDE_DFLAG_NICE1)
<< IDE_NICE_1), (long __user *)arg);
}
static int ide_set_nice_ioctl(ide_drive_t *drive, unsigned long arg)
@ -97,11 +99,18 @@ static int ide_set_nice_ioctl(ide_drive_t *drive, unsigned long arg)
if (((arg >> IDE_NICE_DSC_OVERLAP) & 1) &&
(drive->media == ide_disk || drive->media == ide_floppy ||
drive->scsi))
(drive->dev_flags & IDE_DFLAG_SCSI)))
return -EPERM;
drive->dsc_overlap = (arg >> IDE_NICE_DSC_OVERLAP) & 1;
drive->nice1 = (arg >> IDE_NICE_1) & 1;
if ((arg >> IDE_NICE_DSC_OVERLAP) & 1)
drive->dev_flags |= IDE_DFLAG_DSC_OVERLAP;
else
drive->dev_flags &= ~IDE_DFLAG_DSC_OVERLAP;
if ((arg >> IDE_NICE_1) & 1)
drive->dev_flags |= IDE_DFLAG_NICE1;
else
drive->dev_flags &= ~IDE_DFLAG_NICE1;
return 0;
}

24
drivers/ide/ide-iops.c
View file

@ -647,7 +647,7 @@ u8 eighty_ninty_three (ide_drive_t *drive)
return 1;
no_80w:
if (drive->udma33_warned == 1)
if (drive->dev_flags & IDE_DFLAG_UDMA33_WARNED)
return 0;
printk(KERN_WARNING "%s: %s side 80-wire cable detection failed, "
@ -655,7 +655,7 @@ u8 eighty_ninty_three (ide_drive_t *drive)
drive->name,
hwif->cbl == ATA_CBL_PATA80 ? "drive" : "host");
drive->udma33_warned = 1;
drive->dev_flags |= IDE_DFLAG_UDMA33_WARNED;
return 0;
}
@ -711,7 +711,7 @@ int ide_driveid_update(ide_drive_t *drive)
kfree(id);
if (drive->using_dma && ide_id_dma_bug(drive))
if ((drive->dev_flags & IDE_DFLAG_USING_DMA) && ide_id_dma_bug(drive))
ide_dma_off(drive);
return 1;
@ -790,7 +790,7 @@ int ide_config_drive_speed(ide_drive_t *drive, u8 speed)
skip:
#ifdef CONFIG_BLK_DEV_IDEDMA
if (speed >= XFER_SW_DMA_0 && drive->using_dma)
if (speed >= XFER_SW_DMA_0 && (drive->dev_flags & IDE_DFLAG_USING_DMA))
hwif->dma_ops->dma_host_set(drive, 1);
else if (hwif->dma_ops) /* check if host supports DMA */
ide_dma_off_quietly(drive);
@ -1016,9 +1016,13 @@ static void ide_disk_pre_reset(ide_drive_t *drive)
drive->special.all = 0;
drive->special.b.set_geometry = legacy;
drive->special.b.recalibrate = legacy;
drive->mult_count = 0;
if (!drive->keep_settings && !drive->using_dma)
if ((drive->dev_flags & IDE_DFLAG_KEEP_SETTINGS) == 0 &&
(drive->dev_flags & IDE_DFLAG_USING_DMA) == 0)
drive->mult_req = 0;
if (drive->mult_req != drive->mult_count)
drive->special.b.set_multmode = 1;
}
@ -1030,18 +1034,18 @@ static void pre_reset(ide_drive_t *drive)
if (drive->media == ide_disk)
ide_disk_pre_reset(drive);
else
drive->post_reset = 1;
drive->dev_flags |= IDE_DFLAG_POST_RESET;
if (drive->using_dma) {
if (drive->dev_flags & IDE_DFLAG_USING_DMA) {
if (drive->crc_count)
ide_check_dma_crc(drive);
else
ide_dma_off(drive);
}
if (!drive->keep_settings) {
if (!drive->using_dma) {
drive->unmask = 0;
if ((drive->dev_flags & IDE_DFLAG_KEEP_SETTINGS) == 0) {
if ((drive->dev_flags & IDE_DFLAG_USING_DMA) == 0) {
drive->dev_flags &= ~IDE_DFLAG_UNMASK;
drive->io_32bit = 0;
}
return;

2
drivers/ide/ide-lib.c
View file

@ -317,7 +317,7 @@ static void ide_dump_sector(ide_drive_t *drive)
{
ide_task_t task;
struct ide_taskfile *tf = &task.tf;
int lba48 = (drive->addressing == 1) ? 1 : 0;
u8 lba48 = !!(drive->dev_flags & IDE_DFLAG_LBA48);
memset(&task, 0, sizeof(task));
if (lba48)

104
drivers/ide/ide-probe.c
View file

@ -121,7 +121,8 @@ static inline void do_identify (ide_drive_t *drive, u8 cmd)
/* read 512 bytes of id info */
hwif->tp_ops->input_data(drive, NULL, id, SECTOR_SIZE);
drive->id_read = 1;
drive->dev_flags |= IDE_DFLAG_ID_READ;
local_irq_enable();
#ifdef DEBUG
printk(KERN_INFO "%s: dumping identify data\n", drive->name);
@ -153,8 +154,8 @@ static inline void do_identify (ide_drive_t *drive, u8 cmd)
printk(KERN_INFO "%s: %s, ", drive->name, m);
drive->present = 1;
drive->dead = 0;
drive->dev_flags |= IDE_DFLAG_PRESENT;
drive->dev_flags &= ~IDE_DFLAG_DEAD;
/*
* Check for an ATAPI device
@ -172,14 +173,14 @@ static inline void do_identify (ide_drive_t *drive, u8 cmd)
printk(KERN_CONT "cdrom or floppy?, assuming ");
if (drive->media != ide_cdrom) {
printk(KERN_CONT "FLOPPY");
drive->removable = 1;
drive->dev_flags |= IDE_DFLAG_REMOVABLE;
break;
}
}
/* Early cdrom models used zero */
type = ide_cdrom;
case ide_cdrom:
drive->removable = 1;
drive->dev_flags |= IDE_DFLAG_REMOVABLE;
#ifdef CONFIG_PPC
/* kludge for Apple PowerBook internal zip */
if (!strstr(m, "CD-ROM") && strstr(m, "ZIP")) {
@ -195,7 +196,7 @@ static inline void do_identify (ide_drive_t *drive, u8 cmd)
break;
case ide_optical:
printk(KERN_CONT "OPTICAL");
drive->removable = 1;
drive->dev_flags |= IDE_DFLAG_REMOVABLE;
break;
default:
printk(KERN_CONT "UNKNOWN (type %d)", type);
@ -216,7 +217,7 @@ static inline void do_identify (ide_drive_t *drive, u8 cmd)
/* CF devices are *not* removable in Linux definition of the term */
if (is_cfa == 0 && (id[ATA_ID_CONFIG] & (1 << 7)))
drive->removable = 1;
drive->dev_flags |= IDE_DFLAG_REMOVABLE;
drive->media = ide_disk;
@ -226,7 +227,7 @@ static inline void do_identify (ide_drive_t *drive, u8 cmd)
err_misc:
kfree(id);
drive->present = 0;
drive->dev_flags &= ~IDE_DFLAG_PRESENT;
return;
}
@ -426,16 +427,15 @@ static int do_probe (ide_drive_t *drive, u8 cmd)
ide_hwif_t *hwif = HWIF(drive);
const struct ide_tp_ops *tp_ops = hwif->tp_ops;
int rc;
u8 stat;
u8 present = !!(drive->dev_flags & IDE_DFLAG_PRESENT), stat;
/* avoid waiting for inappropriate probes */
if (present && drive->media != ide_disk && cmd == ATA_CMD_ID_ATA)
return 4;
if (drive->present) {
/* avoid waiting for inappropriate probes */
if (drive->media != ide_disk && cmd == ATA_CMD_ID_ATA)
return 4;
}
#ifdef DEBUG
printk(KERN_INFO "probing for %s: present=%d, media=%d, probetype=%s\n",
drive->name, drive->present, drive->media,
drive->name, present, drive->media,
(cmd == ATA_CMD_ID_ATA) ? "ATA" : "ATAPI");
#endif
@ -446,7 +446,7 @@ static int do_probe (ide_drive_t *drive, u8 cmd)
SELECT_DRIVE(drive);
msleep(50);
if (ide_read_device(drive) != drive->select.all && !drive->present) {
if (ide_read_device(drive) != drive->select.all && present == 0) {
if (drive->select.b.unit != 0) {
/* exit with drive0 selected */
SELECT_DRIVE(&hwif->drives[0]);
@ -460,7 +460,7 @@ static int do_probe (ide_drive_t *drive, u8 cmd)
stat = tp_ops->read_status(hwif);
if (OK_STAT(stat, ATA_DRDY, ATA_BUSY) ||
drive->present || cmd == ATA_CMD_ID_ATAPI) {
present || cmd == ATA_CMD_ID_ATAPI) {
/* send cmd and wait */
if ((rc = try_to_identify(drive, cmd))) {
/* failed: try again */
@ -542,8 +542,8 @@ static void enable_nest (ide_drive_t *drive)
* and presents things to the user as needed.
*
* Returns: 0 no device was found
* 1 device was found (note: drive->present might
* still be 0)
* 1 device was found
* (note: IDE_DFLAG_PRESENT might still be not set)
*/
static inline u8 probe_for_drive (ide_drive_t *drive)
@ -559,10 +559,10 @@ static inline u8 probe_for_drive (ide_drive_t *drive)
* Also note that 0 everywhere means "can't do X"
*/
drive->dev_flags &= ~IDE_DFLAG_ID_READ;
drive->id = kzalloc(SECTOR_SIZE, GFP_KERNEL);
drive->id_read = 0;
if(drive->id == NULL)
{
if (drive->id == NULL) {
printk(KERN_ERR "ide: out of memory for id data.\n");
return 0;
}
@ -571,14 +571,14 @@ static inline u8 probe_for_drive (ide_drive_t *drive)
strcpy(m, "UNKNOWN");
/* skip probing? */
if (!drive->noprobe) {
if ((drive->dev_flags & IDE_DFLAG_NOPROBE) == 0) {
retry:
/* if !(success||timed-out) */
if (do_probe(drive, ATA_CMD_ID_ATA) >= 2)
/* look for ATAPI device */
(void)do_probe(drive, ATA_CMD_ID_ATAPI);
if (!drive->present)
if ((drive->dev_flags & IDE_DFLAG_PRESENT) == 0)
/* drive not found */
return 0;
@ -588,7 +588,7 @@ static inline u8 probe_for_drive (ide_drive_t *drive)
}
/* identification failed? */
if (!drive->id_read) {
if ((drive->dev_flags & IDE_DFLAG_ID_READ) == 0) {
if (drive->media == ide_disk) {
printk(KERN_INFO "%s: non-IDE drive, CHS=%d/%d/%d\n",
drive->name, drive->cyl,
@ -598,15 +598,17 @@ static inline u8 probe_for_drive (ide_drive_t *drive)
} else {
/* nuke it */
printk(KERN_WARNING "%s: Unknown device on bus refused identification. Ignoring.\n", drive->name);
drive->present = 0;
drive->dev_flags &= ~IDE_DFLAG_PRESENT;
}
}
/* drive was found */
}
if(!drive->present)
if ((drive->dev_flags & IDE_DFLAG_PRESENT) == 0)
return 0;
/* The drive wasn't being helpful. Add generic info only */
if (drive->id_read == 0) {
if ((drive->dev_flags & IDE_DFLAG_ID_READ) == 0) {
generic_id(drive);
return 1;
}
@ -616,7 +618,7 @@ static inline u8 probe_for_drive (ide_drive_t *drive)
ide_disk_init_mult_count(drive);
}
return drive->present;
return !!(drive->dev_flags & IDE_DFLAG_PRESENT);
}
static void hwif_release_dev(struct device *dev)
@ -707,7 +709,8 @@ static int ide_port_wait_ready(ide_hwif_t *hwif)
ide_drive_t *drive = &hwif->drives[unit];
/* Ignore disks that we will not probe for later. */
if (!drive->noprobe || drive->present) {
if ((drive->dev_flags & IDE_DFLAG_NOPROBE) == 0 ||
(drive->dev_flags & IDE_DFLAG_PRESENT)) {
SELECT_DRIVE(drive);
hwif->tp_ops->set_irq(hwif, 1);
mdelay(2);
@ -739,7 +742,7 @@ void ide_undecoded_slave(ide_drive_t *dev1)
{
ide_drive_t *dev0 = &dev1->hwif->drives[0];
if ((dev1->dn & 1) == 0 || dev0->present == 0)
if ((dev1->dn & 1) == 0 || (dev0->dev_flags & IDE_DFLAG_PRESENT) == 0)
return;
/* If the models don't match they are not the same product */
@ -759,7 +762,7 @@ void ide_undecoded_slave(ide_drive_t *dev1)
/* Appears to be an IDE flash adapter with decode bugs */
printk(KERN_WARNING "ide-probe: ignoring undecoded slave\n");
dev1->present = 0;
dev1->dev_flags &= ~IDE_DFLAG_PRESENT;
}
EXPORT_SYMBOL_GPL(ide_undecoded_slave);
@ -772,7 +775,8 @@ static int ide_probe_port(ide_hwif_t *hwif)
BUG_ON(hwif->present);
if (hwif->drives[0].noprobe && hwif->drives[1].noprobe)
if ((hwif->drives[0].dev_flags & IDE_DFLAG_NOPROBE) &&
(hwif->drives[1].dev_flags & IDE_DFLAG_NOPROBE))
return -EACCES;
/*
@ -796,7 +800,7 @@ static int ide_probe_port(ide_hwif_t *hwif)
ide_drive_t *drive = &hwif->drives[unit];
drive->dn = (hwif->channel ? 2 : 0) + unit;
(void) probe_for_drive(drive);
if (drive->present)
if (drive->dev_flags & IDE_DFLAG_PRESENT)
rc = 0;
}
@ -820,17 +824,19 @@ static void ide_port_tune_devices(ide_hwif_t *hwif)
for (unit = 0; unit < MAX_DRIVES; unit++) {
ide_drive_t *drive = &hwif->drives[unit];
if (drive->present && port_ops && port_ops->quirkproc)
port_ops->quirkproc(drive);
if (drive->dev_flags & IDE_DFLAG_PRESENT) {
if (port_ops && port_ops->quirkproc)
port_ops->quirkproc(drive);
}
}
for (unit = 0; unit < MAX_DRIVES; ++unit) {
ide_drive_t *drive = &hwif->drives[unit];
if (drive->present) {
if (drive->dev_flags & IDE_DFLAG_PRESENT) {
ide_set_max_pio(drive);
drive->nice1 = 1;
drive->dev_flags |= IDE_DFLAG_NICE1;
if (hwif->dma_ops)
ide_set_dma(drive);
@ -840,10 +846,11 @@ static void ide_port_tune_devices(ide_hwif_t *hwif)
for (unit = 0; unit < MAX_DRIVES; ++unit) {
ide_drive_t *drive = &hwif->drives[unit];
if (hwif->host_flags & IDE_HFLAG_NO_IO_32BIT)
drive->no_io_32bit = 1;
if ((hwif->host_flags & IDE_HFLAG_NO_IO_32BIT) ||
drive->id[ATA_ID_DWORD_IO])
drive->dev_flags |= IDE_DFLAG_NO_IO_32BIT;
else
drive->no_io_32bit = drive->id[ATA_ID_DWORD_IO] ? 1 : 0;
drive->dev_flags &= ~IDE_DFLAG_NO_IO_32BIT;
}
}
@ -957,7 +964,7 @@ static void ide_port_setup_devices(ide_hwif_t *hwif)
for (i = 0; i < MAX_DRIVES; i++) {
ide_drive_t *drive = &hwif->drives[i];
if (!drive->present)
if ((drive->dev_flags & IDE_DFLAG_PRESENT) == 0)
continue;
if (ide_init_queue(drive)) {
@ -1151,12 +1158,13 @@ static struct kobject *ata_probe(dev_t dev, int *part, void *data)
ide_hwif_t *hwif = data;
int unit = *part >> PARTN_BITS;
ide_drive_t *drive = &hwif->drives[unit];
if (!drive->present)
if ((drive->dev_flags & IDE_DFLAG_PRESENT) == 0)
return NULL;
if (drive->media == ide_disk)
request_module("ide-disk");
if (drive->scsi)
if (drive->dev_flags & IDE_DFLAG_SCSI)
request_module("ide-scsi");
if (drive->media == ide_cdrom || drive->media == ide_optical)
request_module("ide-cd");
@ -1246,7 +1254,7 @@ static void drive_release_dev (struct device *dev)
ide_remove_drive_from_hwgroup(drive);
kfree(drive->id);
drive->id = NULL;
drive->present = 0;
drive->dev_flags &= ~IDE_DFLAG_PRESENT;
/* Messed up locking ... */
spin_unlock_irq(&ide_lock);
blk_cleanup_queue(drive->queue);
@ -1325,7 +1333,7 @@ static void hwif_register_devices(ide_hwif_t *hwif)
struct device *dev = &drive->gendev;
int ret;
if (!drive->present)
if ((drive->dev_flags & IDE_DFLAG_PRESENT) == 0)
continue;
snprintf(dev->bus_id, BUS_ID_SIZE, "%u.%u", hwif->index, i);
@ -1352,9 +1360,9 @@ static void ide_port_init_devices(ide_hwif_t *hwif)
if (hwif->host_flags & IDE_HFLAG_IO_32BIT)
drive->io_32bit = 1;
if (hwif->host_flags & IDE_HFLAG_UNMASK_IRQS)
drive->unmask = 1;
drive->dev_flags |= IDE_DFLAG_UNMASK;
if (hwif->host_flags & IDE_HFLAG_NO_UNMASK_IRQS)
drive->no_unmask = 1;
drive->dev_flags |= IDE_DFLAG_NO_UNMASK;
if (port_ops && port_ops->init_dev)
port_ops->init_dev(drive);

6
drivers/ide/ide-proc.c
View file

@ -227,7 +227,7 @@ static int set_xfer_rate (ide_drive_t *drive, int arg)
ide_devset_rw(current_speed, xfer_rate);
ide_devset_rw_field(init_speed, init_speed);
ide_devset_rw_field(nice1, nice1);
ide_devset_rw_flag(nice1, IDE_DFLAG_NICE1);
ide_devset_rw_field(number, dn);
static const struct ide_proc_devset ide_generic_settings[] = {
@ -622,9 +622,7 @@ void ide_proc_port_register_devices(ide_hwif_t *hwif)
for (d = 0; d < MAX_DRIVES; d++) {
ide_drive_t *drive = &hwif->drives[d];
if (!drive->present)
continue;
if (drive->proc)
if ((drive->dev_flags & IDE_DFLAG_PRESENT) == 0 || drive->proc)
continue;
drive->proc = proc_mkdir(drive->name, parent);

30
drivers/ide/ide-tape.c
View file

@ -826,12 +826,13 @@ static ide_startstop_t idetape_do_request(ide_drive_t *drive,
*/
stat = hwif->tp_ops->read_status(hwif);
if (!drive->dsc_overlap && !(rq->cmd[13] & REQ_IDETAPE_PC2))
if ((drive->dev_flags & IDE_DFLAG_DSC_OVERLAP) == 0 &&
(rq->cmd[13] & REQ_IDETAPE_PC2) == 0)
set_bit(IDE_AFLAG_IGNORE_DSC, &drive->atapi_flags);
if (drive->post_reset == 1) {
if (drive->dev_flags & IDE_DFLAG_POST_RESET) {
set_bit(IDE_AFLAG_IGNORE_DSC, &drive->atapi_flags);
drive->post_reset = 0;
drive->dev_flags &= ~IDE_DFLAG_POST_RESET;
}
if (!test_and_clear_bit(IDE_AFLAG_IGNORE_DSC, &drive->atapi_flags) &&
@ -1354,7 +1355,7 @@ static int idetape_init_read(ide_drive_t *drive)
* No point in issuing this if DSC overlap isn't supported, some
* drives (Seagate STT3401A) will return an error.
*/
if (drive->dsc_overlap) {
if (drive->dev_flags & IDE_DFLAG_DSC_OVERLAP) {
bytes_read = idetape_queue_rw_tail(drive,
REQ_IDETAPE_READ, 0,
tape->merge_bh);
@ -1630,7 +1631,7 @@ static ssize_t idetape_chrdev_write(struct file *file, const char __user *buf,
* point in issuing this if DSC overlap isn't supported, some
* drives (Seagate STT3401A) will return an error.
*/
if (drive->dsc_overlap) {
if (drive->dev_flags & IDE_DFLAG_DSC_OVERLAP) {
ssize_t retval = idetape_queue_rw_tail(drive,
REQ_IDETAPE_WRITE, 0,
tape->merge_bh);
@ -2145,7 +2146,7 @@ static int divf_tdsc(ide_drive_t *drive) { return HZ; }
static int divf_buffer(ide_drive_t *drive) { return 2; }
static int divf_buffer_size(ide_drive_t *drive) { return 1024; }
ide_devset_rw_field(dsc_overlap, dsc_overlap);
ide_devset_rw_flag(dsc_overlap, IDE_DFLAG_DSC_OVERLAP);
ide_tape_devset_rw_field(debug_mask, debug_mask);
ide_tape_devset_rw_field(tdsc, best_dsc_rw_freq);
@ -2192,15 +2193,19 @@ static void idetape_setup(ide_drive_t *drive, idetape_tape_t *tape, int minor)
drive->pc_io_buffers = ide_tape_io_buffers;
spin_lock_init(&tape->lock);
drive->dsc_overlap = 1;
drive->dev_flags |= IDE_DFLAG_DSC_OVERLAP;
if (drive->hwif->host_flags & IDE_HFLAG_NO_DSC) {
printk(KERN_INFO "ide-tape: %s: disabling DSC overlap\n",
tape->name);
drive->dsc_overlap = 0;
drive->dev_flags &= ~IDE_DFLAG_DSC_OVERLAP;
}
/* Seagate Travan drives do not support DSC overlap. */
if (strstr((char *)&drive->id[ATA_ID_PROD], "Seagate STT3401"))
drive->dsc_overlap = 0;
drive->dev_flags &= ~IDE_DFLAG_DSC_OVERLAP;
tape->minor = minor;
tape->name[0] = 'h';
tape->name[1] = 't';
@ -2247,7 +2252,7 @@ static void idetape_setup(ide_drive_t *drive, idetape_tape_t *tape, int minor)
(*(u16 *)&tape->caps[16] * 512) / tape->buffer_size,
tape->buffer_size / 1024,
tape->best_dsc_rw_freq * 1000 / HZ,
drive->using_dma ? ", DMA":"");
(drive->dev_flags & IDE_DFLAG_USING_DMA) ? ", DMA" : "");
ide_proc_register_driver(drive, tape->driver);
}
@ -2271,7 +2276,7 @@ static void ide_tape_release(struct kref *kref)
BUG_ON(tape->merge_bh_size);
drive->dsc_overlap = 0;
drive->dev_flags &= ~IDE_DFLAG_DSC_OVERLAP;
drive->driver_data = NULL;
device_destroy(idetape_sysfs_class, MKDEV(IDETAPE_MAJOR, tape->minor));
device_destroy(idetape_sysfs_class,
@ -2386,7 +2391,8 @@ static int ide_tape_probe(ide_drive_t *drive)
if (drive->media != ide_tape)
goto failed;
if (drive->id_read == 1 && !ide_check_atapi_device(drive, DRV_NAME)) {
if ((drive->dev_flags & IDE_DFLAG_ID_READ) &&
ide_check_atapi_device(drive, DRV_NAME) == 0) {
printk(KERN_ERR "ide-tape: %s: not supported by this version of"
" the driver\n", drive->name);
goto failed;

14
drivers/ide/ide-taskfile.c
View file

@ -116,7 +116,8 @@ ide_startstop_t do_rw_taskfile (ide_drive_t *drive, ide_task_t *task)
WAIT_WORSTCASE, NULL);
return ide_started;
default:
if (drive->using_dma == 0 || dma_ops->dma_setup(drive))
if ((drive->dev_flags & IDE_DFLAG_USING_DMA) == 0 ||
dma_ops->dma_setup(drive))
return ide_stopped;
dma_ops->dma_exec_cmd(drive, tf->command);
dma_ops->dma_start(drive);
@ -469,13 +470,12 @@ static ide_startstop_t pre_task_out_intr(ide_drive_t *drive, struct request *rq)
if (ide_wait_stat(&startstop, drive, ATA_DRQ,
drive->bad_wstat, WAIT_DRQ)) {
printk(KERN_ERR "%s: no DRQ after issuing %sWRITE%s\n",
drive->name,
drive->hwif->data_phase ? "MULT" : "",
drive->addressing ? "_EXT" : "");
drive->name, drive->hwif->data_phase ? "MULT" : "",
(drive->dev_flags & IDE_DFLAG_LBA48) ? "_EXT" : "");
return startstop;
}
if (!drive->unmask)
if ((drive->dev_flags & IDE_DFLAG_UNMASK) == 0)
local_irq_disable();
ide_set_handler(drive, &task_out_intr, WAIT_WORSTCASE, NULL);
@ -591,7 +591,7 @@ int ide_taskfile_ioctl (ide_drive_t *drive, unsigned int cmd, unsigned long arg)
args.tf_flags = IDE_TFLAG_IO_16BIT | IDE_TFLAG_DEVICE |
IDE_TFLAG_IN_TF;
if (drive->addressing == 1)
if (drive->dev_flags & IDE_DFLAG_LBA48)
args.tf_flags |= (IDE_TFLAG_LBA48 | IDE_TFLAG_IN_HOB);
if (req_task->out_flags.all) {
@ -694,7 +694,7 @@ int ide_taskfile_ioctl (ide_drive_t *drive, unsigned int cmd, unsigned long arg)
if ((args.tf_flags & IDE_TFLAG_FLAGGED_SET_IN_FLAGS) &&
req_task->in_flags.all == 0) {
req_task->in_flags.all = IDE_TASKFILE_STD_IN_FLAGS;
if (drive->addressing == 1)
if (drive->dev_flags & IDE_DFLAG_LBA48)
req_task->in_flags.all |= (IDE_HOB_STD_IN_FLAGS << 8);
}

35
drivers/ide/ide.c
View file

@ -138,7 +138,7 @@ static void __ide_port_unregister_devices(ide_hwif_t *hwif)
for (i = 0; i < MAX_DRIVES; i++) {
ide_drive_t *drive = &hwif->drives[i];
if (drive->present) {
if (drive->dev_flags & IDE_DFLAG_PRESENT) {
spin_unlock_irq(&ide_lock);
device_unregister(&drive->gendev);
wait_for_completion(&drive->gendev_rel_comp);
@ -254,7 +254,7 @@ ide_devset_get(io_32bit, io_32bit);
static int set_io_32bit(ide_drive_t *drive, int arg)
{
if (drive->no_io_32bit)
if (drive->dev_flags & IDE_DFLAG_NO_IO_32BIT)
return -EPERM;
if (arg < 0 || arg > 1 + (SUPPORT_VLB_SYNC << 1))
@ -265,19 +265,22 @@ static int set_io_32bit(ide_drive_t *drive, int arg)
return 0;
}
ide_devset_get(ksettings, keep_settings);
ide_devset_get_flag(ksettings, IDE_DFLAG_KEEP_SETTINGS);
static int set_ksettings(ide_drive_t *drive, int arg)
{
if (arg < 0 || arg > 1)
return -EINVAL;
drive->keep_settings = arg;
if (arg)
drive->dev_flags |= IDE_DFLAG_KEEP_SETTINGS;
else
drive->dev_flags &= ~IDE_DFLAG_KEEP_SETTINGS;
return 0;
}
ide_devset_get(using_dma, using_dma);
ide_devset_get_flag(using_dma, IDE_DFLAG_USING_DMA);
static int set_using_dma(ide_drive_t *drive, int arg)
{
@ -339,17 +342,20 @@ static int set_pio_mode(ide_drive_t *drive, int arg)
return 0;
}
ide_devset_get(unmaskirq, unmask);
ide_devset_get_flag(unmaskirq, IDE_DFLAG_UNMASK);
static int set_unmaskirq(ide_drive_t *drive, int arg)
{
if (drive->no_unmask)
if (drive->dev_flags & IDE_DFLAG_NO_UNMASK)
return -EPERM;
if (arg < 0 || arg > 1)
return -EINVAL;
drive->unmask = arg;
if (arg)
drive->dev_flags |= IDE_DFLAG_UNMASK;
else
drive->dev_flags &= ~IDE_DFLAG_UNMASK;
return 0;
}
@ -713,16 +719,16 @@ static void ide_dev_apply_params(ide_drive_t *drive)
if (ide_nodma & (1 << i)) {
printk(KERN_INFO "ide: disallowing DMA for %s\n", drive->name);
drive->nodma = 1;
drive->dev_flags |= IDE_DFLAG_NODMA;
}
if (ide_noflush & (1 << i)) {
printk(KERN_INFO "ide: disabling flush requests for %s\n",
drive->name);
drive->noflush = 1;
drive->dev_flags |= IDE_DFLAG_NOFLUSH;
}
if (ide_noprobe & (1 << i)) {
printk(KERN_INFO "ide: skipping probe for %s\n", drive->name);
drive->noprobe = 1;
drive->dev_flags |= IDE_DFLAG_NOPROBE;
}
if (ide_nowerr & (1 << i)) {
printk(KERN_INFO "ide: ignoring the ATA_DF bit for %s\n",
@ -731,7 +737,7 @@ static void ide_dev_apply_params(ide_drive_t *drive)
}
if (ide_cdroms & (1 << i)) {
printk(KERN_INFO "ide: forcing %s as a CD-ROM\n", drive->name);
drive->present = 1;
drive->dev_flags |= IDE_DFLAG_PRESENT;
drive->media = ide_cdrom;
/* an ATAPI device ignores DRDY */
drive->ready_stat = 0;
@ -740,11 +746,12 @@ static void ide_dev_apply_params(ide_drive_t *drive)
drive->cyl = drive->bios_cyl = ide_disks_chs[i].cyl;
drive->head = drive->bios_head = ide_disks_chs[i].head;
drive->sect = drive->bios_sect = ide_disks_chs[i].sect;
drive->forced_geom = 1;
printk(KERN_INFO "ide: forcing %s as a disk (%d/%d/%d)\n",
drive->name,
drive->cyl, drive->head, drive->sect);
drive->present = 1;
drive->dev_flags |= IDE_DFLAG_FORCED_GEOM | IDE_DFLAG_PRESENT;
drive->media = ide_disk;
drive->ready_stat = ATA_DRDY;
}

9
drivers/ide/legacy/ht6560b.c
View file

@ -120,7 +120,8 @@ static void ht6560b_selectproc (ide_drive_t *drive)
* Need to enforce prefetch sometimes because otherwise
* it'll hang (hard).
*/
if (drive->media != ide_disk || !drive->present)
if (drive->media != ide_disk ||
(drive->dev_flags & IDE_DFLAG_PRESENT) == 0)
select |= HT_PREFETCH_MODE;
if (select != current_select || timing != current_timing) {
@ -249,11 +250,11 @@ static void ht_set_prefetch(ide_drive_t *drive, u8 state)
*/
if (state) {
drive->drive_data |= t; /* enable prefetch mode */
drive->no_unmask = 1;
drive->unmask = 0;
drive->dev_flags |= IDE_DFLAG_NO_UNMASK;
drive->dev_flags &= ~IDE_DFLAG_UNMASK;
} else {
drive->drive_data &= ~t; /* disable prefetch mode */
drive->no_unmask = 0;
drive->dev_flags &= ~IDE_DFLAG_NO_UNMASK;
}
spin_unlock_irqrestore(&ht6560b_lock, flags);

2
drivers/ide/pci/amd74xx.c
View file

@ -92,7 +92,7 @@ static void amd_set_drive(ide_drive_t *drive, const u8 speed)
ide_timing_compute(drive, speed, &t, T, UT);
if (peer->present) {
if (peer->dev_flags & IDE_DFLAG_PRESENT) {
ide_timing_compute(peer, peer->current_speed, &p, T, UT);
ide_timing_merge(&p, &t, &t, IDE_TIMING_8BIT);
}

14
drivers/ide/pci/cmd640.c
View file

@ -378,13 +378,13 @@ static void __set_prefetch_mode(ide_drive_t *drive, int mode)
{
if (mode) { /* want prefetch on? */
#if CMD640_PREFETCH_MASKS
drive->no_unmask = 1;
drive->unmask = 0;
drive->dev_flags |= IDE_DFLAG_NO_UNMASK;
drive->dev_flags &= ~IDE_DFLAG_UNMASK;
#endif
drive->no_io_32bit = 0;
drive->dev_flags &= ~IDE_DFLAG_NO_IO_32BIT;
} else {
drive->no_unmask = 0;
drive->no_io_32bit = 1;
drive->dev_flags &= ~IDE_DFLAG_NO_UNMASK;
drive->dev_flags |= IDE_DFLAG_NO_IO_32BIT;
drive->io_32bit = 0;
}
}
@ -471,7 +471,7 @@ static void program_drive_counts(ide_drive_t *drive, unsigned int index)
ide_drive_t *peer = &hwif->drives[!drive->select.b.unit];
unsigned int mate = index ^ 1;
if (peer->present) {
if (peer->dev_flags & IDE_DFLAG_PRESENT) {
if (setup_count < setup_counts[mate])
setup_count = setup_counts[mate];
if (active_count < active_counts[mate])
@ -626,7 +626,7 @@ static void cmd640_init_dev(ide_drive_t *drive)
*/
check_prefetch(drive, i);
printk(KERN_INFO DRV_NAME ": drive%d timings/prefetch(%s) preserved\n",
i, drive->no_io_32bit ? "off" : "on");
i, (drive->dev_flags & IDE_DFLAG_NO_IO_32BIT) ? "off" : "on");
#endif /* CONFIG_BLK_DEV_CMD640_ENHANCED */
}

2
drivers/ide/pci/it821x.c
View file

@ -454,7 +454,7 @@ static void it821x_quirkproc(ide_drive_t *drive)
* IRQ mask as we may well be in PIO (eg rev 0x10)
* for now and we know unmasking is safe on this chipset.
*/
drive->unmask = 1;
drive->dev_flags |= IDE_DFLAG_UNMASK;
} else {
/*
* Perform fixups on smart mode. We need to "lose" some

11
drivers/ide/pci/ns87415.c
View file

@ -137,7 +137,7 @@ static void __devinit superio_init_iops(struct hwif_s *hwif)
static unsigned int ns87415_count = 0, ns87415_control[MAX_HWIFS] = { 0 };
/*
* This routine either enables/disables (according to drive->present)
* This routine either enables/disables (according to IDE_DFLAG_PRESENT)
* the IRQ associated with the port (HWIF(drive)),
* and selects either PIO or DMA handshaking for the next I/O operation.
*/
@ -153,7 +153,11 @@ static void ns87415_prepare_drive (ide_drive_t *drive, unsigned int use_dma)
/* Adjust IRQ enable bit */
bit = 1 << (8 + hwif->channel);
new = drive->present ? (new & ~bit) : (new | bit);
if (drive->dev_flags & IDE_DFLAG_PRESENT)
new &= ~bit;
else
new |= bit;
/* Select PIO or DMA, DMA may only be selected for one drive/channel. */
bit = 1 << (20 + drive->select.b.unit + (hwif->channel << 1));
@ -187,7 +191,8 @@ static void ns87415_prepare_drive (ide_drive_t *drive, unsigned int use_dma)
static void ns87415_selectproc (ide_drive_t *drive)
{
ns87415_prepare_drive (drive, drive->using_dma);
ns87415_prepare_drive(drive,
!!(drive->dev_flags & IDE_DFLAG_USING_DMA));
}
static int ns87415_dma_end(ide_drive_t *drive)

4
drivers/ide/pci/pdc202xx_old.c
View file

@ -168,7 +168,7 @@ static void pdc202xx_dma_start(ide_drive_t *drive)
{
if (drive->current_speed > XFER_UDMA_2)
pdc_old_enable_66MHz_clock(drive->hwif);
if (drive->media != ide_disk || drive->addressing == 1) {
if (drive->media != ide_disk || (drive->dev_flags & IDE_DFLAG_LBA48)) {
struct request *rq = HWGROUP(drive)->rq;
ide_hwif_t *hwif = HWIF(drive);
unsigned long high_16 = hwif->extra_base - 16;
@ -188,7 +188,7 @@ static void pdc202xx_dma_start(ide_drive_t *drive)
static int pdc202xx_dma_end(ide_drive_t *drive)
{
if (drive->media != ide_disk || drive->addressing == 1) {
if (drive->media != ide_disk || (drive->dev_flags & IDE_DFLAG_LBA48)) {
ide_hwif_t *hwif = HWIF(drive);
unsigned long high_16 = hwif->extra_base - 16;
unsigned long atapi_reg = high_16 + (hwif->channel ? 0x24 : 0x20);

3
drivers/ide/pci/sc1200.c
View file

@ -216,7 +216,8 @@ static void sc1200_set_pio_mode(ide_drive_t *drive, const u8 pio)
if (mode != -1) {
printk("SC1200: %s: changing (U)DMA mode\n", drive->name);
ide_dma_off_quietly(drive);
if (ide_set_dma_mode(drive, mode) == 0 && drive->using_dma)
if (ide_set_dma_mode(drive, mode) == 0 &&
(drive->dev_flags & IDE_DFLAG_USING_DMA))
hwif->dma_ops->dma_host_set(drive, 1);
return;
}

4
drivers/ide/pci/trm290.c
View file

@ -161,7 +161,7 @@ static void trm290_prepare_drive (ide_drive_t *drive, unsigned int use_dma)
}
/* enable IRQ if not probing */
if (drive->present) {
if (drive->dev_flags & IDE_DFLAG_PRESENT) {
reg = inw(hwif->config_data + 3);
reg &= 0x13;
reg &= ~(1 << hwif->channel);
@ -173,7 +173,7 @@ static void trm290_prepare_drive (ide_drive_t *drive, unsigned int use_dma)
static void trm290_selectproc (ide_drive_t *drive)
{
trm290_prepare_drive(drive, drive->using_dma);
trm290_prepare_drive(drive, !!(drive->dev_flags & IDE_DFLAG_USING_DMA));
}
static void trm290_dma_exec_cmd(ide_drive_t *drive, u8 command)

4
drivers/ide/ppc/pmac.c
View file

@ -966,11 +966,11 @@ static void pmac_ide_init_dev(ide_drive_t *drive)
if (pmif->mediabay) {
#ifdef CONFIG_PMAC_MEDIABAY
if (check_media_bay_by_base(pmif->regbase, MB_CD) == 0) {
drive->noprobe = 0;
drive->dev_flags &= ~IDE_DFLAG_NOPROBE;
return;
}
#endif
drive->noprobe = 1;
drive->dev_flags |= IDE_DFLAG_NOPROBE;
}
}

9
drivers/scsi/ide-scsi.c
View file

@ -331,7 +331,8 @@ static ide_startstop_t idescsi_do_request (ide_drive_t *drive, struct request *r
if (blk_sense_request(rq) || blk_special_request(rq)) {
struct ide_atapi_pc *pc = (struct ide_atapi_pc *)rq->special;
if (drive->using_dma && !idescsi_map_sg(drive, pc))
if ((drive->dev_flags & IDE_DFLAG_USING_DMA) &&
idescsi_map_sg(drive, pc) == 0)
pc->flags |= PC_FLAG_DMA_OK;
return idescsi_issue_pc(drive, pc);
@ -415,7 +416,7 @@ static void ide_scsi_remove(ide_drive_t *drive)
ide_scsi_put(scsi);
drive->scsi = 0;
drive->dev_flags &= ~IDE_DFLAG_SCSI;
}
static int ide_scsi_probe(ide_drive_t *);
@ -767,7 +768,7 @@ static int ide_scsi_probe(ide_drive_t *drive)
!(host = scsi_host_alloc(&idescsi_template,sizeof(idescsi_scsi_t))))
return -ENODEV;
drive->scsi = 1;
drive->dev_flags |= IDE_DFLAG_SCSI;
g = alloc_disk(1 << PARTN_BITS);
if (!g)
@ -808,7 +809,7 @@ static int ide_scsi_probe(ide_drive_t *drive)
put_disk(g);
out_host_put:
drive->scsi = 0;
drive->dev_flags &= ~IDE_DFLAG_SCSI;
scsi_host_put(host);
return err;
}

100
include/linux/ide.h
View file

@ -459,6 +459,55 @@ enum {
IDE_AFLAG_NO_AUTOCLOSE = (1 << 29),
};
/* device flags */
enum {
/* restore settings after device reset */
IDE_DFLAG_KEEP_SETTINGS = (1 << 0),
/* device is using DMA for read/write */
IDE_DFLAG_USING_DMA = (1 << 1),
/* okay to unmask other IRQs */
IDE_DFLAG_UNMASK = (1 << 2),
/* don't attempt flushes */
IDE_DFLAG_NOFLUSH = (1 << 3),
/* DSC overlap */
IDE_DFLAG_DSC_OVERLAP = (1 << 4),
/* give potential excess bandwidth */
IDE_DFLAG_NICE1 = (1 << 5),
/* device is physically present */
IDE_DFLAG_PRESENT = (1 << 6),
/* device ejected hint */
IDE_DFLAG_DEAD = (1 << 7),
/* id read from device (synthetic if not set) */
IDE_DFLAG_ID_READ = (1 << 8),
IDE_DFLAG_NOPROBE = (1 << 9),
/* need to do check_media_change() */
IDE_DFLAG_REMOVABLE = (1 << 10),
/* needed for removable devices */
IDE_DFLAG_ATTACH = (1 << 11),
IDE_DFLAG_FORCED_GEOM = (1 << 12),
/* disallow setting unmask bit */
IDE_DFLAG_NO_UNMASK = (1 << 13),
/* disallow enabling 32-bit I/O */
IDE_DFLAG_NO_IO_32BIT = (1 << 14),
/* for removable only: door lock/unlock works */
IDE_DFLAG_DOORLOCKING = (1 << 15),
/* disallow DMA */
IDE_DFLAG_NODMA = (1 << 16),
/* powermanagment told us not to do anything, so sleep nicely */
IDE_DFLAG_BLOCKED = (1 << 17),
/* ide-scsi emulation */
IDE_DFLAG_SCSI = (1 << 18),
/* sleeping & sleep field valid */
IDE_DFLAG_SLEEPING = (1 << 19),
IDE_DFLAG_POST_RESET = (1 << 20),
IDE_DFLAG_UDMA33_WARNED = (1 << 21),
IDE_DFLAG_LBA48 = (1 << 22),
/* status of write cache */
IDE_DFLAG_WCACHE = (1 << 23),
/* used for ignoring ATA_DF */
IDE_DFLAG_NOWERR = (1 << 24),
};
struct ide_drive_s {
char name[4]; /* drive name, such as "hda" */
char driver_req[10]; /* requests specific driver */
@ -475,6 +524,8 @@ struct ide_drive_s {
#endif
struct hwif_s *hwif; /* actually (ide_hwif_t *) */
unsigned long dev_flags;
unsigned long sleep; /* sleep until this time */
unsigned long service_start; /* time we started last request */
unsigned long service_time; /* service time of last request */
@ -487,32 +538,6 @@ struct ide_drive_s {
u8 state; /* retry state */
u8 waiting_for_dma; /* dma currently in progress */
unsigned keep_settings : 1; /* restore settings after drive reset */
unsigned using_dma : 1; /* disk is using dma for read/write */
unsigned unmask : 1; /* okay to unmask other irqs */
unsigned noflush : 1; /* don't attempt flushes */
unsigned dsc_overlap : 1; /* DSC overlap */
unsigned nice1 : 1; /* give potential excess bandwidth */
unsigned present : 1; /* drive is physically present */
unsigned dead : 1; /* device ejected hint */
unsigned id_read : 1; /* 1=id read from disk 0 = synthetic */
unsigned noprobe : 1; /* from: hdx=noprobe */
unsigned removable : 1; /* 1 if need to do check_media_change */
unsigned attach : 1; /* needed for removable devices */
unsigned forced_geom : 1; /* 1 if hdx=c,h,s was given at boot */
unsigned no_unmask : 1; /* disallow setting unmask bit */
unsigned no_io_32bit : 1; /* disallow enabling 32bit I/O */
unsigned doorlocking : 1; /* for removable only: door lock/unlock works */
unsigned nodma : 1; /* disallow DMA */
unsigned blocked : 1; /* 1=powermanagment told us not to do anything, so sleep nicely */
unsigned scsi : 1; /* 0=default, 1=ide-scsi emulation */
unsigned sleeping : 1; /* 1=sleeping & sleep field valid */
unsigned post_reset : 1;
unsigned udma33_warned : 1;
unsigned addressing : 1; /* 0=28-bit, 1=48-bit */
unsigned wcache : 1; /* status of write cache */
unsigned nowerr : 1; /* used for ignoring ATA_DF */
u8 quirk_list; /* considered quirky, set for a specific host */
u8 init_speed; /* transfer rate set at boot */
u8 current_speed; /* current transfer rate set */
@ -826,6 +851,22 @@ static int set_##name(ide_drive_t *drive, int arg) \
return 0; \
}
#define ide_devset_get_flag(name, flag) \
static int get_##name(ide_drive_t *drive) \
{ \
return !!(drive->dev_flags & flag); \
}
#define ide_devset_set_flag(name, flag) \
static int set_##name(ide_drive_t *drive, int arg) \
{ \
if (arg) \
drive->dev_flags |= flag; \
else \
drive->dev_flags &= ~flag; \
return 0; \
}
#define __IDE_DEVSET(_name, _flags, _get, _set) \
const struct ide_devset ide_devset_##_name = \
__DEVSET(_flags, _get, _set)
@ -861,6 +902,11 @@ ide_devset_get(_name, _field); \
ide_devset_set(_name, _field); \
IDE_DEVSET(_name, DS_SYNC, get_##_name, set_##_name)
#define ide_devset_rw_flag(_name, _field) \
ide_devset_get_flag(_name, _field); \
ide_devset_set_flag(_name, _field); \
IDE_DEVSET(_name, DS_SYNC, get_##_name, set_##_name)
struct ide_proc_devset {
const char *name;
const struct ide_devset *setting;
@ -1587,6 +1633,6 @@ static inline ide_drive_t *ide_get_pair_dev(ide_drive_t *drive)
{
ide_drive_t *peer = &drive->hwif->drives[(drive->dn ^ 1) & 1];
return peer->present ? peer : NULL;
return (peer->dev_flags & IDE_DFLAG_PRESENT) ? peer : NULL;
}
#endif /* _IDE_H */