summaryrefslogtreecommitdiffstats
path: root/drivers/ide/ide-taskfile.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/ide/ide-taskfile.c')
-rw-r--r--drivers/ide/ide-taskfile.c148
1 files changed, 77 insertions, 71 deletions
diff --git a/drivers/ide/ide-taskfile.c b/drivers/ide/ide-taskfile.c
index 925fb924189..2b85c137764 100644
--- a/drivers/ide/ide-taskfile.c
+++ b/drivers/ide/ide-taskfile.c
@@ -39,33 +39,34 @@ void ide_tf_dump(const char *s, struct ide_taskfile *tf)
int taskfile_lib_get_identify (ide_drive_t *drive, u8 *buf)
{
- ide_task_t args;
+ struct ide_cmd cmd;
- memset(&args, 0, sizeof(ide_task_t));
- args.tf.nsect = 0x01;
+ memset(&cmd, 0, sizeof(cmd));
+ cmd.tf.nsect = 0x01;
if (drive->media == ide_disk)
- args.tf.command = ATA_CMD_ID_ATA;
+ cmd.tf.command = ATA_CMD_ID_ATA;
else
- args.tf.command = ATA_CMD_ID_ATAPI;
- args.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE;
- args.data_phase = TASKFILE_IN;
- return ide_raw_taskfile(drive, &args, buf, 1);
+ cmd.tf.command = ATA_CMD_ID_ATAPI;
+ cmd.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE;
+ cmd.data_phase = TASKFILE_IN;
+
+ return ide_raw_taskfile(drive, &cmd, buf, 1);
}
static ide_startstop_t task_no_data_intr(ide_drive_t *);
static ide_startstop_t pre_task_out_intr(ide_drive_t *, struct request *);
static ide_startstop_t task_in_intr(ide_drive_t *);
-ide_startstop_t do_rw_taskfile (ide_drive_t *drive, ide_task_t *task)
+ide_startstop_t do_rw_taskfile(ide_drive_t *drive, struct ide_cmd *cmd)
{
ide_hwif_t *hwif = drive->hwif;
- struct ide_taskfile *tf = &task->tf;
+ struct ide_taskfile *tf = &cmd->tf;
ide_handler_t *handler = NULL;
const struct ide_tp_ops *tp_ops = hwif->tp_ops;
const struct ide_dma_ops *dma_ops = hwif->dma_ops;
- if (task->data_phase == TASKFILE_MULTI_IN ||
- task->data_phase == TASKFILE_MULTI_OUT) {
+ if (cmd->data_phase == TASKFILE_MULTI_IN ||
+ cmd->data_phase == TASKFILE_MULTI_OUT) {
if (!drive->mult_count) {
printk(KERN_ERR "%s: multimode not set!\n",
drive->name);
@@ -73,24 +74,24 @@ ide_startstop_t do_rw_taskfile (ide_drive_t *drive, ide_task_t *task)
}
}
- if (task->ftf_flags & IDE_FTFLAG_FLAGGED)
- task->ftf_flags |= IDE_FTFLAG_SET_IN_FLAGS;
+ if (cmd->ftf_flags & IDE_FTFLAG_FLAGGED)
+ cmd->ftf_flags |= IDE_FTFLAG_SET_IN_FLAGS;
- memcpy(&hwif->task, task, sizeof(*task));
+ memcpy(&hwif->cmd, cmd, sizeof(*cmd));
- if ((task->tf_flags & IDE_TFLAG_DMA_PIO_FALLBACK) == 0) {
+ if ((cmd->tf_flags & IDE_TFLAG_DMA_PIO_FALLBACK) == 0) {
ide_tf_dump(drive->name, tf);
tp_ops->set_irq(hwif, 1);
SELECT_MASK(drive, 0);
- tp_ops->tf_load(drive, task);
+ tp_ops->tf_load(drive, cmd);
}
- switch (task->data_phase) {
+ switch (cmd->data_phase) {
case TASKFILE_MULTI_OUT:
case TASKFILE_OUT:
tp_ops->exec_command(hwif, tf->command);
ndelay(400); /* FIXME */
- return pre_task_out_intr(drive, task->rq);
+ return pre_task_out_intr(drive, cmd->rq);
case TASKFILE_MULTI_IN:
case TASKFILE_IN:
handler = task_in_intr;
@@ -119,9 +120,9 @@ EXPORT_SYMBOL_GPL(do_rw_taskfile);
static ide_startstop_t task_no_data_intr(ide_drive_t *drive)
{
ide_hwif_t *hwif = drive->hwif;
- ide_task_t *task = &hwif->task;
- struct ide_taskfile *tf = &task->tf;
- int custom = (task->tf_flags & IDE_TFLAG_CUSTOM_HANDLER) ? 1 : 0;
+ struct ide_cmd *cmd = &hwif->cmd;
+ struct ide_taskfile *tf = &cmd->tf;
+ int custom = (cmd->tf_flags & IDE_TFLAG_CUSTOM_HANDLER) ? 1 : 0;
int retries = (custom && tf->command == ATA_CMD_INIT_DEV_PARAMS) ? 5 : 1;
u8 stat;
@@ -151,7 +152,7 @@ static ide_startstop_t task_no_data_intr(ide_drive_t *drive)
}
if (custom && tf->command == ATA_CMD_IDLEIMMEDIATE) {
- hwif->tp_ops->tf_read(drive, task);
+ hwif->tp_ops->tf_read(drive, cmd);
if (tf->lbal != 0xc4) {
printk(KERN_ERR "%s: head unload failed!\n",
drive->name);
@@ -169,7 +170,7 @@ static ide_startstop_t task_no_data_intr(ide_drive_t *drive)
ide_complete_pm_rq(drive, rq);
else {
if (rq->cmd_type == REQ_TYPE_ATA_TASKFILE)
- ide_complete_task(drive, task, stat, err);
+ ide_complete_cmd(drive, cmd, stat, err);
ide_complete_rq(drive, err);
}
}
@@ -266,18 +267,18 @@ static void ide_pio_multi(ide_drive_t *drive, struct request *rq,
static void ide_pio_datablock(ide_drive_t *drive, struct request *rq,
unsigned int write)
{
- ide_task_t *task = &drive->hwif->task;
+ struct ide_cmd *cmd = &drive->hwif->cmd;
u8 saved_io_32bit = drive->io_32bit;
if (blk_fs_request(rq))
rq->errors = 0;
- if (task->tf_flags & IDE_TFLAG_IO_16BIT)
+ if (cmd->tf_flags & IDE_TFLAG_IO_16BIT)
drive->io_32bit = 0;
touch_softlockup_watchdog();
- switch (task->data_phase) {
+ switch (cmd->data_phase) {
case TASKFILE_MULTI_IN:
case TASKFILE_MULTI_OUT:
ide_pio_multi(drive, rq, write);
@@ -295,10 +296,10 @@ static ide_startstop_t task_error(ide_drive_t *drive, struct request *rq,
{
if (blk_fs_request(rq)) {
ide_hwif_t *hwif = drive->hwif;
- ide_task_t *task = &hwif->task;
+ struct ide_cmd *cmd = &hwif->cmd;
int sectors = hwif->nsect - hwif->nleft;
- switch (task->data_phase) {
+ switch (cmd->data_phase) {
case TASKFILE_IN:
if (hwif->nleft)
break;
@@ -325,11 +326,11 @@ static ide_startstop_t task_error(ide_drive_t *drive, struct request *rq,
void task_end_request(ide_drive_t *drive, struct request *rq, u8 stat)
{
if (blk_fs_request(rq) == 0) {
- ide_task_t *task = rq->special;
+ struct ide_cmd *cmd = rq->special;
u8 err = ide_read_error(drive);
- if (task)
- ide_complete_task(drive, task, stat, err);
+ if (cmd)
+ ide_complete_cmd(drive, cmd, stat, err);
ide_complete_rq(drive, err);
return;
}
@@ -420,14 +421,14 @@ static ide_startstop_t task_out_intr (ide_drive_t *drive)
static ide_startstop_t pre_task_out_intr(ide_drive_t *drive, struct request *rq)
{
- ide_task_t *task = &drive->hwif->task;
+ struct ide_cmd *cmd = &drive->hwif->cmd;
ide_startstop_t startstop;
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,
- task->data_phase == TASKFILE_MULTI_OUT ? "MULT" : "",
+ cmd->data_phase == TASKFILE_MULTI_OUT ? "MULT" : "",
(drive->dev_flags & IDE_DFLAG_LBA48) ? "_EXT" : "");
return startstop;
}
@@ -441,7 +442,8 @@ static ide_startstop_t pre_task_out_intr(ide_drive_t *drive, struct request *rq)
return ide_started;
}
-int ide_raw_taskfile(ide_drive_t *drive, ide_task_t *task, u8 *buf, u16 nsect)
+int ide_raw_taskfile(ide_drive_t *drive, struct ide_cmd *cmd, u8 *buf,
+ u16 nsect)
{
struct request *rq;
int error;
@@ -459,11 +461,11 @@ int ide_raw_taskfile(ide_drive_t *drive, ide_task_t *task, u8 *buf, u16 nsect)
rq->hard_nr_sectors = rq->nr_sectors = nsect;
rq->hard_cur_sectors = rq->current_nr_sectors = nsect;
- if (task->tf_flags & IDE_TFLAG_WRITE)
+ if (cmd->tf_flags & IDE_TFLAG_WRITE)
rq->cmd_flags |= REQ_RW;
- rq->special = task;
- task->rq = rq;
+ rq->special = cmd;
+ cmd->rq = rq;
error = blk_execute_rq(drive->queue, NULL, rq, 0);
blk_put_request(rq);
@@ -473,19 +475,19 @@ int ide_raw_taskfile(ide_drive_t *drive, ide_task_t *task, u8 *buf, u16 nsect)
EXPORT_SYMBOL(ide_raw_taskfile);
-int ide_no_data_taskfile(ide_drive_t *drive, ide_task_t *task)
+int ide_no_data_taskfile(ide_drive_t *drive, struct ide_cmd *cmd)
{
- task->data_phase = TASKFILE_NO_DATA;
+ cmd->data_phase = TASKFILE_NO_DATA;
- return ide_raw_taskfile(drive, task, NULL, 0);
+ return ide_raw_taskfile(drive, cmd, NULL, 0);
}
EXPORT_SYMBOL_GPL(ide_no_data_taskfile);
#ifdef CONFIG_IDE_TASK_IOCTL
-int ide_taskfile_ioctl (ide_drive_t *drive, unsigned int cmd, unsigned long arg)
+int ide_taskfile_ioctl(ide_drive_t *drive, unsigned long arg)
{
ide_task_request_t *req_task;
- ide_task_t args;
+ struct ide_cmd cmd;
u8 *outbuf = NULL;
u8 *inbuf = NULL;
u8 *data_buf = NULL;
@@ -539,51 +541,53 @@ int ide_taskfile_ioctl (ide_drive_t *drive, unsigned int cmd, unsigned long arg)
}
}
- memset(&args, 0, sizeof(ide_task_t));
+ memset(&cmd, 0, sizeof(cmd));
- memcpy(&args.tf_array[0], req_task->hob_ports, HDIO_DRIVE_HOB_HDR_SIZE - 2);
- memcpy(&args.tf_array[6], req_task->io_ports, HDIO_DRIVE_TASK_HDR_SIZE);
+ memcpy(&cmd.tf_array[0], req_task->hob_ports,
+ HDIO_DRIVE_HOB_HDR_SIZE - 2);
+ memcpy(&cmd.tf_array[6], req_task->io_ports,
+ HDIO_DRIVE_TASK_HDR_SIZE);
- args.data_phase = req_task->data_phase;
+ cmd.data_phase = req_task->data_phase;
+ cmd.tf_flags = IDE_TFLAG_IO_16BIT | IDE_TFLAG_DEVICE |
+ IDE_TFLAG_IN_TF;
- args.tf_flags = IDE_TFLAG_IO_16BIT | IDE_TFLAG_DEVICE |
- IDE_TFLAG_IN_TF;
if (drive->dev_flags & IDE_DFLAG_LBA48)
- args.tf_flags |= (IDE_TFLAG_LBA48 | IDE_TFLAG_IN_HOB);
+ cmd.tf_flags |= (IDE_TFLAG_LBA48 | IDE_TFLAG_IN_HOB);
if (req_task->out_flags.all) {
- args.ftf_flags |= IDE_FTFLAG_FLAGGED;
+ cmd.ftf_flags |= IDE_FTFLAG_FLAGGED;
if (req_task->out_flags.b.data)
- args.ftf_flags |= IDE_FTFLAG_OUT_DATA;
+ cmd.ftf_flags |= IDE_FTFLAG_OUT_DATA;
if (req_task->out_flags.b.nsector_hob)
- args.tf_flags |= IDE_TFLAG_OUT_HOB_NSECT;
+ cmd.tf_flags |= IDE_TFLAG_OUT_HOB_NSECT;
if (req_task->out_flags.b.sector_hob)
- args.tf_flags |= IDE_TFLAG_OUT_HOB_LBAL;
+ cmd.tf_flags |= IDE_TFLAG_OUT_HOB_LBAL;
if (req_task->out_flags.b.lcyl_hob)
- args.tf_flags |= IDE_TFLAG_OUT_HOB_LBAM;
+ cmd.tf_flags |= IDE_TFLAG_OUT_HOB_LBAM;
if (req_task->out_flags.b.hcyl_hob)
- args.tf_flags |= IDE_TFLAG_OUT_HOB_LBAH;
+ cmd.tf_flags |= IDE_TFLAG_OUT_HOB_LBAH;
if (req_task->out_flags.b.error_feature)
- args.tf_flags |= IDE_TFLAG_OUT_FEATURE;
+ cmd.tf_flags |= IDE_TFLAG_OUT_FEATURE;
if (req_task->out_flags.b.nsector)
- args.tf_flags |= IDE_TFLAG_OUT_NSECT;
+ cmd.tf_flags |= IDE_TFLAG_OUT_NSECT;
if (req_task->out_flags.b.sector)
- args.tf_flags |= IDE_TFLAG_OUT_LBAL;
+ cmd.tf_flags |= IDE_TFLAG_OUT_LBAL;
if (req_task->out_flags.b.lcyl)
- args.tf_flags |= IDE_TFLAG_OUT_LBAM;
+ cmd.tf_flags |= IDE_TFLAG_OUT_LBAM;
if (req_task->out_flags.b.hcyl)
- args.tf_flags |= IDE_TFLAG_OUT_LBAH;
+ cmd.tf_flags |= IDE_TFLAG_OUT_LBAH;
} else {
- args.tf_flags |= IDE_TFLAG_OUT_TF;
- if (args.tf_flags & IDE_TFLAG_LBA48)
- args.tf_flags |= IDE_TFLAG_OUT_HOB;
+ cmd.tf_flags |= IDE_TFLAG_OUT_TF;
+ if (cmd.tf_flags & IDE_TFLAG_LBA48)
+ cmd.tf_flags |= IDE_TFLAG_OUT_HOB;
}
if (req_task->in_flags.b.data)
- args.ftf_flags |= IDE_FTFLAG_IN_DATA;
+ cmd.ftf_flags |= IDE_FTFLAG_IN_DATA;
switch(req_task->data_phase) {
case TASKFILE_MULTI_OUT:
@@ -630,7 +634,7 @@ int ide_taskfile_ioctl (ide_drive_t *drive, unsigned int cmd, unsigned long arg)
if (req_task->req_cmd == IDE_DRIVE_TASK_NO_DATA)
nsect = 0;
else if (!nsect) {
- nsect = (args.tf.hob_nsect << 8) | args.tf.nsect;
+ nsect = (cmd.tf.hob_nsect << 8) | cmd.tf.nsect;
if (!nsect) {
printk(KERN_ERR "%s: in/out command without data\n",
@@ -641,14 +645,16 @@ int ide_taskfile_ioctl (ide_drive_t *drive, unsigned int cmd, unsigned long arg)
}
if (req_task->req_cmd == IDE_DRIVE_TASK_RAW_WRITE)
- args.tf_flags |= IDE_TFLAG_WRITE;
+ cmd.tf_flags |= IDE_TFLAG_WRITE;
- err = ide_raw_taskfile(drive, &args, data_buf, nsect);
+ err = ide_raw_taskfile(drive, &cmd, data_buf, nsect);
- memcpy(req_task->hob_ports, &args.tf_array[0], HDIO_DRIVE_HOB_HDR_SIZE - 2);
- memcpy(req_task->io_ports, &args.tf_array[6], HDIO_DRIVE_TASK_HDR_SIZE);
+ memcpy(req_task->hob_ports, &cmd.tf_array[0],
+ HDIO_DRIVE_HOB_HDR_SIZE - 2);
+ memcpy(req_task->io_ports, &cmd.tf_array[6],
+ HDIO_DRIVE_TASK_HDR_SIZE);
- if ((args.ftf_flags & IDE_FTFLAG_SET_IN_FLAGS) &&
+ if ((cmd.ftf_flags & IDE_FTFLAG_SET_IN_FLAGS) &&
req_task->in_flags.all == 0) {
req_task->in_flags.all = IDE_TASKFILE_STD_IN_FLAGS;
if (drive->dev_flags & IDE_DFLAG_LBA48)