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path: root/drivers/ide/ide-taskfile.c
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Diffstat (limited to 'drivers/ide/ide-taskfile.c')
-rw-r--r--drivers/ide/ide-taskfile.c448
1 files changed, 205 insertions, 243 deletions
diff --git a/drivers/ide/ide-taskfile.c b/drivers/ide/ide-taskfile.c
index 16138bce84a..84532be97c0 100644
--- a/drivers/ide/ide-taskfile.c
+++ b/drivers/ide/ide-taskfile.c
@@ -39,88 +39,86 @@ 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.protocol = ATA_PROT_PIO;
+
+ 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 *);
+static ide_startstop_t pre_task_out_intr(ide_drive_t *, struct ide_cmd *);
+static ide_startstop_t task_pio_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 *orig_cmd)
{
ide_hwif_t *hwif = drive->hwif;
- struct ide_taskfile *tf = &task->tf;
+ struct ide_cmd *cmd = &hwif->cmd;
+ 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 (!drive->mult_count) {
- printk(KERN_ERR "%s: multimode not set!\n",
- drive->name);
- return ide_stopped;
- }
+ if (orig_cmd->protocol == ATA_PROT_PIO &&
+ (orig_cmd->tf_flags & IDE_TFLAG_MULTI_PIO) &&
+ drive->mult_count == 0) {
+ printk(KERN_ERR "%s: multimode not set!\n", drive->name);
+ return ide_stopped;
}
- if (task->tf_flags & IDE_TFLAG_FLAGGED)
- task->tf_flags |= IDE_TFLAG_FLAGGED_SET_IN_FLAGS;
+ if (orig_cmd->ftf_flags & IDE_FTFLAG_FLAGGED)
+ orig_cmd->ftf_flags |= IDE_FTFLAG_SET_IN_FLAGS;
- memcpy(&hwif->task, task, sizeof(*task));
+ memcpy(cmd, orig_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) {
- 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);
- case TASKFILE_MULTI_IN:
- case TASKFILE_IN:
- handler = task_in_intr;
+ switch (cmd->protocol) {
+ case ATA_PROT_PIO:
+ if (cmd->tf_flags & IDE_TFLAG_WRITE) {
+ tp_ops->exec_command(hwif, tf->command);
+ ndelay(400); /* FIXME */
+ return pre_task_out_intr(drive, cmd);
+ }
+ handler = task_pio_intr;
/* fall-through */
- case TASKFILE_NO_DATA:
+ case ATA_PROT_NODATA:
if (handler == NULL)
handler = task_no_data_intr;
- ide_execute_command(drive, tf->command, handler,
- WAIT_WORSTCASE, NULL);
+ ide_execute_command(drive, cmd, handler, WAIT_WORSTCASE);
return ide_started;
- default:
+ case ATA_PROT_DMA:
if ((drive->dev_flags & IDE_DFLAG_USING_DMA) == 0 ||
- dma_ops->dma_setup(drive))
+ ide_build_sglist(drive, cmd) == 0 ||
+ dma_ops->dma_setup(drive, cmd))
return ide_stopped;
- dma_ops->dma_exec_cmd(drive, tf->command);
+ hwif->expiry = dma_ops->dma_timer_expiry;
+ ide_execute_command(drive, cmd, ide_dma_intr, 2 * WAIT_CMD);
dma_ops->dma_start(drive);
+ default:
return ide_started;
}
}
EXPORT_SYMBOL_GPL(do_rw_taskfile);
-/*
- * Handler for commands without a data phase
- */
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;
@@ -142,28 +140,26 @@ static ide_startstop_t task_no_data_intr(ide_drive_t *drive)
} else if (custom && tf->command == ATA_CMD_INIT_DEV_PARAMS) {
if ((stat & (ATA_ERR | ATA_DRQ)) == 0) {
ide_set_handler(drive, &task_no_data_intr,
- WAIT_WORSTCASE, NULL);
+ WAIT_WORSTCASE);
return ide_started;
}
}
return ide_error(drive, "task_no_data_intr", stat);
- /* calls ide_end_drive_cmd */
}
- if (!custom)
- ide_end_drive_cmd(drive, stat, ide_read_error(drive));
- else if (tf->command == ATA_CMD_IDLEIMMEDIATE) {
- hwif->tp_ops->tf_read(drive, task);
- if (tf->lbal != 0xc4) {
- printk(KERN_ERR "%s: head unload failed!\n",
- drive->name);
- ide_tf_dump(drive->name, tf);
- } else
- drive->dev_flags |= IDE_DFLAG_PARKED;
- ide_end_drive_cmd(drive, stat, ide_read_error(drive));
- } else if (tf->command == ATA_CMD_SET_MULTI)
+ if (custom && tf->command == ATA_CMD_SET_MULTI)
drive->mult_count = drive->mult_req;
+ if (custom == 0 || tf->command == ATA_CMD_IDLEIMMEDIATE ||
+ tf->command == ATA_CMD_CHK_POWER) {
+ struct request *rq = hwif->rq;
+
+ if (blk_pm_request(rq))
+ ide_complete_pm_rq(drive, rq);
+ else
+ ide_finish_cmd(drive, cmd, stat);
+ }
+
return ide_stopped;
}
@@ -192,12 +188,12 @@ static u8 wait_drive_not_busy(ide_drive_t *drive)
return stat;
}
-static void ide_pio_sector(ide_drive_t *drive, struct request *rq,
- unsigned int write)
+static void ide_pio_bytes(ide_drive_t *drive, struct ide_cmd *cmd,
+ unsigned int write, unsigned int nr_bytes)
{
ide_hwif_t *hwif = drive->hwif;
struct scatterlist *sg = hwif->sg_table;
- struct scatterlist *cursg = hwif->cursg;
+ struct scatterlist *cursg = cmd->cursg;
struct page *page;
#ifdef CONFIG_HIGHMEM
unsigned long flags;
@@ -205,14 +201,14 @@ static void ide_pio_sector(ide_drive_t *drive, struct request *rq,
unsigned int offset;
u8 *buf;
- cursg = hwif->cursg;
+ cursg = cmd->cursg;
if (!cursg) {
cursg = sg;
- hwif->cursg = sg;
+ cmd->cursg = sg;
}
page = sg_page(cursg);
- offset = cursg->offset + hwif->cursg_ofs * SECTOR_SIZE;
+ offset = cursg->offset + cmd->cursg_ofs;
/* get the current page and offset */
page = nth_page(page, (offset >> PAGE_SHIFT));
@@ -223,19 +219,19 @@ static void ide_pio_sector(ide_drive_t *drive, struct request *rq,
#endif
buf = kmap_atomic(page, KM_BIO_SRC_IRQ) + offset;
- hwif->nleft--;
- hwif->cursg_ofs++;
+ cmd->nleft -= nr_bytes;
+ cmd->cursg_ofs += nr_bytes;
- if ((hwif->cursg_ofs * SECTOR_SIZE) == cursg->length) {
- hwif->cursg = sg_next(hwif->cursg);
- hwif->cursg_ofs = 0;
+ if (cmd->cursg_ofs == cursg->length) {
+ cmd->cursg = sg_next(cmd->cursg);
+ cmd->cursg_ofs = 0;
}
/* do the actual data transfer */
if (write)
- hwif->tp_ops->output_data(drive, rq, buf, SECTOR_SIZE);
+ hwif->tp_ops->output_data(drive, cmd, buf, nr_bytes);
else
- hwif->tp_ops->input_data(drive, rq, buf, SECTOR_SIZE);
+ hwif->tp_ops->input_data(drive, cmd, buf, nr_bytes);
kunmap_atomic(buf, KM_BIO_SRC_IRQ);
#ifdef CONFIG_HIGHMEM
@@ -243,188 +239,137 @@ static void ide_pio_sector(ide_drive_t *drive, struct request *rq,
#endif
}
-static void ide_pio_multi(ide_drive_t *drive, struct request *rq,
+static void ide_pio_multi(ide_drive_t *drive, struct ide_cmd *cmd,
unsigned int write)
{
unsigned int nsect;
- nsect = min_t(unsigned int, drive->hwif->nleft, drive->mult_count);
+ nsect = min_t(unsigned int, cmd->nleft >> 9, drive->mult_count);
while (nsect--)
- ide_pio_sector(drive, rq, write);
+ ide_pio_bytes(drive, cmd, write, SECTOR_SIZE);
}
-static void ide_pio_datablock(ide_drive_t *drive, struct request *rq,
- unsigned int write)
+static void ide_pio_datablock(ide_drive_t *drive, struct ide_cmd *cmd,
+ unsigned int write)
{
u8 saved_io_32bit = drive->io_32bit;
- if (rq->bio) /* fs request */
- rq->errors = 0;
+ if (cmd->tf_flags & IDE_TFLAG_FS)
+ cmd->rq->errors = 0;
- if (rq->cmd_type == REQ_TYPE_ATA_TASKFILE) {
- ide_task_t *task = rq->special;
-
- if (task->tf_flags & IDE_TFLAG_IO_16BIT)
- drive->io_32bit = 0;
- }
+ if (cmd->tf_flags & IDE_TFLAG_IO_16BIT)
+ drive->io_32bit = 0;
touch_softlockup_watchdog();
- switch (drive->hwif->data_phase) {
- case TASKFILE_MULTI_IN:
- case TASKFILE_MULTI_OUT:
- ide_pio_multi(drive, rq, write);
- break;
- default:
- ide_pio_sector(drive, rq, write);
- break;
- }
+ if (cmd->tf_flags & IDE_TFLAG_MULTI_PIO)
+ ide_pio_multi(drive, cmd, write);
+ else
+ ide_pio_bytes(drive, cmd, write, SECTOR_SIZE);
drive->io_32bit = saved_io_32bit;
}
-static ide_startstop_t task_error(ide_drive_t *drive, struct request *rq,
- const char *s, u8 stat)
+static void ide_error_cmd(ide_drive_t *drive, struct ide_cmd *cmd)
{
- if (rq->bio) {
- ide_hwif_t *hwif = drive->hwif;
- int sectors = hwif->nsect - hwif->nleft;
-
- switch (hwif->data_phase) {
- case TASKFILE_IN:
- if (hwif->nleft)
- break;
- /* fall through */
- case TASKFILE_OUT:
- sectors--;
- break;
- case TASKFILE_MULTI_IN:
- if (hwif->nleft)
- break;
- /* fall through */
- case TASKFILE_MULTI_OUT:
- sectors -= drive->mult_count;
- default:
- break;
+ if (cmd->tf_flags & IDE_TFLAG_FS) {
+ int nr_bytes = cmd->nbytes - cmd->nleft;
+
+ if (cmd->protocol == ATA_PROT_PIO &&
+ ((cmd->tf_flags & IDE_TFLAG_WRITE) || cmd->nleft == 0)) {
+ if (cmd->tf_flags & IDE_TFLAG_MULTI_PIO)
+ nr_bytes -= drive->mult_count << 9;
+ else
+ nr_bytes -= SECTOR_SIZE;
}
- if (sectors > 0) {
- struct ide_driver *drv;
-
- drv = *(struct ide_driver **)rq->rq_disk->private_data;
- drv->end_request(drive, 1, sectors);
- }
+ if (nr_bytes > 0)
+ ide_complete_rq(drive, 0, nr_bytes);
}
- return ide_error(drive, s, stat);
-}
-
-void task_end_request(ide_drive_t *drive, struct request *rq, u8 stat)
-{
- if (rq->cmd_type == REQ_TYPE_ATA_TASKFILE) {
- u8 err = ide_read_error(drive);
-
- ide_end_drive_cmd(drive, stat, err);
- return;
- }
-
- if (rq->rq_disk) {
- struct ide_driver *drv;
-
- drv = *(struct ide_driver **)rq->rq_disk->private_data;;
- drv->end_request(drive, 1, rq->nr_sectors);
- } else
- ide_end_request(drive, 1, rq->nr_sectors);
}
-/*
- * We got an interrupt on a task_in case, but no errors and no DRQ.
- *
- * It might be a spurious irq (shared irq), but it might be a
- * command that had no output.
- */
-static ide_startstop_t task_in_unexpected(ide_drive_t *drive, struct request *rq, u8 stat)
+void ide_finish_cmd(ide_drive_t *drive, struct ide_cmd *cmd, u8 stat)
{
- /* Command all done? */
- if (OK_STAT(stat, ATA_DRDY, ATA_BUSY)) {
- task_end_request(drive, rq, stat);
- return ide_stopped;
- }
+ struct request *rq = drive->hwif->rq;
+ u8 err = ide_read_error(drive);
- /* Assume it was a spurious irq */
- ide_set_handler(drive, &task_in_intr, WAIT_WORSTCASE, NULL);
- return ide_started;
+ ide_complete_cmd(drive, cmd, stat, err);
+ rq->errors = err;
+ ide_complete_rq(drive, err ? -EIO : 0, blk_rq_bytes(rq));
}
/*
- * Handler for command with PIO data-in phase (Read/Read Multiple).
+ * Handler for command with PIO data phase.
*/
-static ide_startstop_t task_in_intr(ide_drive_t *drive)
+static ide_startstop_t task_pio_intr(ide_drive_t *drive)
{
ide_hwif_t *hwif = drive->hwif;
- struct request *rq = hwif->rq;
+ struct ide_cmd *cmd = &drive->hwif->cmd;
u8 stat = hwif->tp_ops->read_status(hwif);
+ u8 write = !!(cmd->tf_flags & IDE_TFLAG_WRITE);
- /* Error? */
- if (stat & ATA_ERR)
- return task_error(drive, rq, __func__, stat);
+ if (write == 0) {
+ /* Error? */
+ if (stat & ATA_ERR)
+ goto out_err;
- /* Didn't want any data? Odd. */
- if ((stat & ATA_DRQ) == 0)
- return task_in_unexpected(drive, rq, stat);
+ /* Didn't want any data? Odd. */
+ if ((stat & ATA_DRQ) == 0) {
+ /* Command all done? */
+ if (OK_STAT(stat, ATA_DRDY, ATA_BUSY))
+ goto out_end;
- ide_pio_datablock(drive, rq, 0);
+ /* Assume it was a spurious irq */
+ goto out_wait;
+ }
+ } else {
+ if (!OK_STAT(stat, DRIVE_READY, drive->bad_wstat))
+ goto out_err;
- /* Are we done? Check status and finish transfer. */
- if (!hwif->nleft) {
- stat = wait_drive_not_busy(drive);
- if (!OK_STAT(stat, 0, BAD_STAT))
- return task_error(drive, rq, __func__, stat);
- task_end_request(drive, rq, stat);
- return ide_stopped;
+ /* Deal with unexpected ATA data phase. */
+ if (((stat & ATA_DRQ) == 0) ^ (cmd->nleft == 0))
+ goto out_err;
}
- /* Still data left to transfer. */
- ide_set_handler(drive, &task_in_intr, WAIT_WORSTCASE, NULL);
+ if (write && cmd->nleft == 0)
+ goto out_end;
- return ide_started;
-}
-
-/*
- * Handler for command with PIO data-out phase (Write/Write Multiple).
- */
-static ide_startstop_t task_out_intr (ide_drive_t *drive)
-{
- ide_hwif_t *hwif = drive->hwif;
- struct request *rq = hwif->rq;
- u8 stat = hwif->tp_ops->read_status(hwif);
-
- if (!OK_STAT(stat, DRIVE_READY, drive->bad_wstat))
- return task_error(drive, rq, __func__, stat);
+ /* Still data left to transfer. */
+ ide_pio_datablock(drive, cmd, write);
- /* Deal with unexpected ATA data phase. */
- if (((stat & ATA_DRQ) == 0) ^ !hwif->nleft)
- return task_error(drive, rq, __func__, stat);
+ /* Are we done? Check status and finish transfer. */
+ if (write == 0 && cmd->nleft == 0) {
+ stat = wait_drive_not_busy(drive);
+ if (!OK_STAT(stat, 0, BAD_STAT))
+ goto out_err;
- if (!hwif->nleft) {
- task_end_request(drive, rq, stat);
- return ide_stopped;
+ goto out_end;
}
-
+out_wait:
/* Still data left to transfer. */
- ide_pio_datablock(drive, rq, 1);
- ide_set_handler(drive, &task_out_intr, WAIT_WORSTCASE, NULL);
-
+ ide_set_handler(drive, &task_pio_intr, WAIT_WORSTCASE);
return ide_started;
+out_end:
+ if ((cmd->tf_flags & IDE_TFLAG_FS) == 0)
+ ide_finish_cmd(drive, cmd, stat);
+ else
+ ide_complete_rq(drive, 0, cmd->rq->nr_sectors << 9);
+ return ide_stopped;
+out_err:
+ ide_error_cmd(drive, cmd);
+ return ide_error(drive, __func__, stat);
}
-static ide_startstop_t pre_task_out_intr(ide_drive_t *drive, struct request *rq)
+static ide_startstop_t pre_task_out_intr(ide_drive_t *drive,
+ struct ide_cmd *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, drive->hwif->data_phase ? "MULT" : "",
+ drive->name,
+ (cmd->tf_flags & IDE_TFLAG_MULTI_PIO) ? "MULT" : "",
(drive->dev_flags & IDE_DFLAG_LBA48) ? "_EXT" : "");
return startstop;
}
@@ -432,13 +377,15 @@ static ide_startstop_t pre_task_out_intr(ide_drive_t *drive, struct request *rq)
if ((drive->dev_flags & IDE_DFLAG_UNMASK) == 0)
local_irq_disable();
- ide_set_handler(drive, &task_out_intr, WAIT_WORSTCASE, NULL);
- ide_pio_datablock(drive, rq, 1);
+ ide_set_handler(drive, &task_pio_intr, WAIT_WORSTCASE);
+
+ ide_pio_datablock(drive, cmd, 1);
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;
@@ -456,11 +403,11 @@ 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);
@@ -470,19 +417,19 @@ 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->protocol = ATA_PROT_NODATA;
- 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;
@@ -536,53 +483,63 @@ 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.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.tf_flags |= IDE_TFLAG_FLAGGED;
+ cmd.ftf_flags |= IDE_FTFLAG_FLAGGED;
if (req_task->out_flags.b.data)
- args.tf_flags |= IDE_TFLAG_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.tf_flags |= IDE_TFLAG_IN_DATA;
+ cmd.ftf_flags |= IDE_FTFLAG_IN_DATA;
- switch(req_task->data_phase) {
+ if (req_task->req_cmd == IDE_DRIVE_TASK_RAW_WRITE) {
+ /* fixup data phase if needed */
+ if (req_task->data_phase == TASKFILE_IN_DMAQ ||
+ req_task->data_phase == TASKFILE_IN_DMA)
+ cmd.tf_flags |= IDE_TFLAG_WRITE;
+ }
+
+ cmd.protocol = ATA_PROT_DMA;
+
+ switch (req_task->data_phase) {
case TASKFILE_MULTI_OUT:
if (!drive->mult_count) {
/* (hs): give up if multcount is not set */
@@ -592,11 +549,14 @@ int ide_taskfile_ioctl (ide_drive_t *drive, unsigned int cmd, unsigned long arg)
err = -EPERM;
goto abort;
}
+ cmd.tf_flags |= IDE_TFLAG_MULTI_PIO;
/* fall through */
case TASKFILE_OUT:
+ cmd.protocol = ATA_PROT_PIO;
/* fall through */
case TASKFILE_OUT_DMAQ:
case TASKFILE_OUT_DMA:
+ cmd.tf_flags |= IDE_TFLAG_WRITE;
nsect = taskout / SECTOR_SIZE;
data_buf = outbuf;
break;
@@ -609,8 +569,10 @@ int ide_taskfile_ioctl (ide_drive_t *drive, unsigned int cmd, unsigned long arg)
err = -EPERM;
goto abort;
}
+ cmd.tf_flags |= IDE_TFLAG_MULTI_PIO;
/* fall through */
case TASKFILE_IN:
+ cmd.protocol = ATA_PROT_PIO;
/* fall through */
case TASKFILE_IN_DMAQ:
case TASKFILE_IN_DMA:
@@ -618,6 +580,7 @@ int ide_taskfile_ioctl (ide_drive_t *drive, unsigned int cmd, unsigned long arg)
data_buf = inbuf;
break;
case TASKFILE_NO_DATA:
+ cmd.protocol = ATA_PROT_NODATA;
break;
default:
err = -EFAULT;
@@ -627,7 +590,7 @@ 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",
@@ -637,15 +600,14 @@ 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;
-
- 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.tf_flags & IDE_TFLAG_FLAGGED_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)