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ide: remove ide_task_t typedef

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While at it:
- rename struct ide_task_s to struct ide_cmd
- remove stale comments from idedisk_{read_native,set}_max_address()
- drop unused 'cmd' argument from ide_{cmd,task}_ioctl()
- drop unused 'task' argument from tx4939ide_tf_load_fixup()
- rename ide_complete_task() to ide_complete_cmd()
- use consistent naming for struct ide_cmd variables

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
2009-03-27 12:46:37 +01:00
parent e6830a86c2
commit 22aa4b32a1
22 changed files with 511 additions and 497 deletions
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121
drivers/ide/ide-disk.c
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@@ -62,24 +62,24 @@ static const u8 ide_data_phases[] = {
TASKFILE_OUT_DMA,
};
static void ide_tf_set_cmd(ide_drive_t *drive, ide_task_t *task, u8 dma)
static void ide_tf_set_cmd(ide_drive_t *drive, struct ide_cmd *cmd, u8 dma)
{
u8 index, lba48, write;
lba48 = (task->tf_flags & IDE_TFLAG_LBA48) ? 2 : 0;
write = (task->tf_flags & IDE_TFLAG_WRITE) ? 1 : 0;
lba48 = (cmd->tf_flags & IDE_TFLAG_LBA48) ? 2 : 0;
write = (cmd->tf_flags & IDE_TFLAG_WRITE) ? 1 : 0;
if (dma)
index = 8;
else
index = drive->mult_count ? 0 : 4;
task->tf.command = ide_rw_cmds[index + lba48 + write];
cmd->tf.command = ide_rw_cmds[index + lba48 + write];
if (dma)
index = 8; /* fixup index */
task->data_phase = ide_data_phases[index / 2 + write];
cmd->data_phase = ide_data_phases[index / 2 + write];
}
/*
@@ -93,8 +93,8 @@ static ide_startstop_t __ide_do_rw_disk(ide_drive_t *drive, struct request *rq,
u16 nsectors = (u16)rq->nr_sectors;
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;
struct ide_cmd cmd;
struct ide_taskfile *tf = &cmd.tf;
ide_startstop_t rc;
if ((hwif->host_flags & IDE_HFLAG_NO_LBA48_DMA) && lba48 && dma) {
@@ -109,8 +109,8 @@ static ide_startstop_t __ide_do_rw_disk(ide_drive_t *drive, struct request *rq,
ide_map_sg(drive, rq);
}
memset(&task, 0, sizeof(task));
task.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE;
memset(&cmd, 0, sizeof(cmd));
cmd.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE;
if (drive->dev_flags & IDE_DFLAG_LBA) {
if (lba48) {
@@ -129,7 +129,7 @@ static ide_startstop_t __ide_do_rw_disk(ide_drive_t *drive, struct request *rq,
tf->lbam = (u8)(block >> 8);
tf->lbah = (u8)(block >> 16);
task.tf_flags |= (IDE_TFLAG_LBA48 | IDE_TFLAG_HOB);
cmd.tf_flags |= (IDE_TFLAG_LBA48 | IDE_TFLAG_HOB);
} else {
tf->nsect = nsectors & 0xff;
tf->lbal = block;
@@ -157,19 +157,19 @@ static ide_startstop_t __ide_do_rw_disk(ide_drive_t *drive, struct request *rq,
}
if (rq_data_dir(rq))
task.tf_flags |= IDE_TFLAG_WRITE;
cmd.tf_flags |= IDE_TFLAG_WRITE;
ide_tf_set_cmd(drive, &task, dma);
task.rq = rq;
ide_tf_set_cmd(drive, &cmd, dma);
cmd.rq = rq;
rc = do_rw_taskfile(drive, &task);
rc = do_rw_taskfile(drive, &cmd);
if (rc == ide_stopped && dma) {
/* fallback to PIO */
task.tf_flags |= IDE_TFLAG_DMA_PIO_FALLBACK;
ide_tf_set_cmd(drive, &task, 0);
cmd.tf_flags |= IDE_TFLAG_DMA_PIO_FALLBACK;
ide_tf_set_cmd(drive, &cmd, 0);
ide_init_sg_cmd(drive, rq);
rc = do_rw_taskfile(drive, &task);
rc = do_rw_taskfile(drive, &cmd);
}
return rc;
@@ -213,22 +213,22 @@ static ide_startstop_t ide_do_rw_disk(ide_drive_t *drive, struct request *rq,
*/
static u64 idedisk_read_native_max_address(ide_drive_t *drive, int lba48)
{
ide_task_t args;
struct ide_taskfile *tf = &args.tf;
struct ide_cmd cmd;
struct ide_taskfile *tf = &cmd.tf;
u64 addr = 0;
/* Create IDE/ATA command request structure */
memset(&args, 0, sizeof(ide_task_t));
memset(&cmd, 0, sizeof(cmd));
if (lba48)
tf->command = ATA_CMD_READ_NATIVE_MAX_EXT;
else
tf->command = ATA_CMD_READ_NATIVE_MAX;
tf->device = ATA_LBA;
args.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE;
cmd.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE;
if (lba48)
args.tf_flags |= (IDE_TFLAG_LBA48 | IDE_TFLAG_HOB);
/* submit command request */
ide_no_data_taskfile(drive, &args);
cmd.tf_flags |= (IDE_TFLAG_LBA48 | IDE_TFLAG_HOB);
ide_no_data_taskfile(drive, &cmd);
/* if OK, compute maximum address value */
if ((tf->status & 0x01) == 0)
@@ -243,13 +243,13 @@ static u64 idedisk_read_native_max_address(ide_drive_t *drive, int lba48)
*/
static u64 idedisk_set_max_address(ide_drive_t *drive, u64 addr_req, int lba48)
{
ide_task_t args;
struct ide_taskfile *tf = &args.tf;
struct ide_cmd cmd;
struct ide_taskfile *tf = &cmd.tf;
u64 addr_set = 0;
addr_req--;
/* Create IDE/ATA command request structure */
memset(&args, 0, sizeof(ide_task_t));
memset(&cmd, 0, sizeof(cmd));
tf->lbal = (addr_req >> 0) & 0xff;
tf->lbam = (addr_req >>= 8) & 0xff;
tf->lbah = (addr_req >>= 8) & 0xff;
@@ -263,11 +263,13 @@ static u64 idedisk_set_max_address(ide_drive_t *drive, u64 addr_req, int lba48)
tf->command = ATA_CMD_SET_MAX;
}
tf->device |= ATA_LBA;
args.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE;
cmd.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE;
if (lba48)
args.tf_flags |= (IDE_TFLAG_LBA48 | IDE_TFLAG_HOB);
/* submit command request */
ide_no_data_taskfile(drive, &args);
cmd.tf_flags |= (IDE_TFLAG_LBA48 | IDE_TFLAG_HOB);
ide_no_data_taskfile(drive, &cmd);
/* if OK, compute maximum address value */
if ((tf->status & 0x01) == 0)
addr_set = ide_get_lba_addr(tf, lba48) + 1;
@@ -386,24 +388,24 @@ static int ide_disk_get_capacity(ide_drive_t *drive)
static void idedisk_prepare_flush(struct request_queue *q, struct request *rq)
{
ide_drive_t *drive = q->queuedata;
ide_task_t *task = kmalloc(sizeof(*task), GFP_ATOMIC);
struct ide_cmd *cmd = kmalloc(sizeof(*cmd), GFP_ATOMIC);
/* FIXME: map struct ide_taskfile on rq->cmd[] */
BUG_ON(task == NULL);
BUG_ON(cmd == NULL);
memset(task, 0, sizeof(*task));
memset(cmd, 0, sizeof(*cmd));
if (ata_id_flush_ext_enabled(drive->id) &&
(drive->capacity64 >= (1UL << 28)))
task->tf.command = ATA_CMD_FLUSH_EXT;
cmd->tf.command = ATA_CMD_FLUSH_EXT;
else
task->tf.command = ATA_CMD_FLUSH;
task->tf_flags = IDE_TFLAG_OUT_TF | IDE_TFLAG_OUT_DEVICE |
cmd->tf.command = ATA_CMD_FLUSH;
cmd->tf_flags = IDE_TFLAG_OUT_TF | IDE_TFLAG_OUT_DEVICE |
IDE_TFLAG_DYN;
task->data_phase = TASKFILE_NO_DATA;
cmd->data_phase = TASKFILE_NO_DATA;
rq->cmd_type = REQ_TYPE_ATA_TASKFILE;
rq->cmd_flags |= REQ_SOFTBARRIER;
rq->special = task;
rq->special = cmd;
}
ide_devset_get(multcount, mult_count);
@@ -453,15 +455,15 @@ static int set_nowerr(ide_drive_t *drive, int arg)
static int ide_do_setfeature(ide_drive_t *drive, u8 feature, u8 nsect)
{
ide_task_t task;
struct ide_cmd cmd;
memset(&task, 0, sizeof(task));
task.tf.feature = feature;
task.tf.nsect = nsect;
task.tf.command = ATA_CMD_SET_FEATURES;
task.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE;
memset(&cmd, 0, sizeof(cmd));
cmd.tf.feature = feature;
cmd.tf.nsect = nsect;
cmd.tf.command = ATA_CMD_SET_FEATURES;
cmd.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE;
return ide_no_data_taskfile(drive, &task);
return ide_no_data_taskfile(drive, &cmd);
}
static void update_ordered(ide_drive_t *drive)
@@ -528,15 +530,16 @@ static int set_wcache(ide_drive_t *drive, int arg)
static int do_idedisk_flushcache(ide_drive_t *drive)
{
ide_task_t args;
struct ide_cmd cmd;
memset(&args, 0, sizeof(ide_task_t));
memset(&cmd, 0, sizeof(cmd));
if (ata_id_flush_ext_enabled(drive->id))
args.tf.command = ATA_CMD_FLUSH_EXT;
cmd.tf.command = ATA_CMD_FLUSH_EXT;
else
args.tf.command = ATA_CMD_FLUSH;
args.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE;
return ide_no_data_taskfile(drive, &args);
cmd.tf.command = ATA_CMD_FLUSH;
cmd.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE;
return ide_no_data_taskfile(drive, &cmd);
}
ide_devset_get(acoustic, acoustic);
@@ -708,17 +711,17 @@ static int ide_disk_init_media(ide_drive_t *drive, struct gendisk *disk)
static int ide_disk_set_doorlock(ide_drive_t *drive, struct gendisk *disk,
int on)
{
ide_task_t task;
struct ide_cmd cmd;
int ret;
if ((drive->dev_flags & IDE_DFLAG_DOORLOCKING) == 0)
return 0;
memset(&task, 0, sizeof(task));
task.tf.command = on ? ATA_CMD_MEDIA_LOCK : ATA_CMD_MEDIA_UNLOCK;
task.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE;
memset(&cmd, 0, sizeof(cmd));
cmd.tf.command = on ? ATA_CMD_MEDIA_LOCK : ATA_CMD_MEDIA_UNLOCK;
cmd.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE;
ret = ide_no_data_taskfile(drive, &task);
ret = ide_no_data_taskfile(drive, &cmd);
if (ret)
drive->dev_flags &= ~IDE_DFLAG_DOORLOCKING;