"lbam 0x%02x lbah 0x%02x dev 0x%02x cmd 0x%02x\n",
drive->name, tf->feature, tf->nsect, tf->lbal,
tf->lbam, tf->lbah, tf->device, tf->command);
+ printk("%s: hob: nsect 0x%02x lbal 0x%02x "
+ "lbam 0x%02x lbah 0x%02x\n",
+ drive->name, tf->hob_nsect, tf->hob_lbal,
+ tf->hob_lbam, tf->hob_lbah);
#endif
if (IDE_CONTROL_REG)
hwif->OUTB((tf->device & HIHI) | drive->select.all, IDE_SELECT_REG);
}
-EXPORT_SYMBOL_GPL(ide_tf_load);
-
int taskfile_lib_get_identify (ide_drive_t *drive, u8 *buf)
{
ide_task_t args;
args.tf.command = WIN_PIDENTIFY;
args.tf_flags = IDE_TFLAG_OUT_TF | IDE_TFLAG_OUT_DEVICE;
args.data_phase = TASKFILE_IN;
- args.handler = task_in_intr;
return ide_raw_taskfile(drive, &args, buf, 1);
}
static int inline task_dma_ok(ide_task_t *task)
{
- if (task->tf_flags & IDE_TFLAG_FLAGGED)
+ if (blk_fs_request(task->rq) || (task->tf_flags & IDE_TFLAG_FLAGGED))
return 1;
switch (task->tf.command) {
return 0;
}
+static ide_startstop_t task_no_data_intr(ide_drive_t *);
+static ide_startstop_t set_geometry_intr(ide_drive_t *);
+static ide_startstop_t recal_intr(ide_drive_t *);
+static ide_startstop_t set_multmode_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_hwif_t *hwif = HWIF(drive);
struct ide_taskfile *tf = &task->tf;
+ ide_handler_t *handler = NULL;
- ide_tf_load(drive, task);
-
- if (task->handler != NULL) {
- if (task->prehandler != NULL) {
- hwif->OUTBSYNC(drive, tf->command, IDE_COMMAND_REG);
- ndelay(400); /* FIXME */
- return task->prehandler(drive, task->rq);
+ 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;
}
- ide_execute_command(drive, tf->command, task->handler, WAIT_WORSTCASE, NULL);
- return ide_started;
}
- if (task_dma_ok(task) && drive->using_dma && !hwif->dma_setup(drive)) {
+ if (task->tf_flags & IDE_TFLAG_FLAGGED)
+ task->tf_flags |= IDE_TFLAG_FLAGGED_SET_IN_FLAGS;
+
+ if ((task->tf_flags & IDE_TFLAG_DMA_PIO_FALLBACK) == 0)
+ ide_tf_load(drive, task);
+
+ switch (task->data_phase) {
+ case TASKFILE_MULTI_OUT:
+ case TASKFILE_OUT:
+ hwif->OUTBSYNC(drive, tf->command, IDE_COMMAND_REG);
+ ndelay(400); /* FIXME */
+ return pre_task_out_intr(drive, task->rq);
+ case TASKFILE_MULTI_IN:
+ case TASKFILE_IN:
+ handler = task_in_intr;
+ /* fall-through */
+ case TASKFILE_NO_DATA:
+ if (handler == NULL)
+ handler = task_no_data_intr;
+ /* WIN_{SPECIFY,RESTORE,SETMULT} use custom handlers */
+ if (task->tf_flags & IDE_TFLAG_CUSTOM_HANDLER) {
+ switch (tf->command) {
+ case WIN_SPECIFY: handler = set_geometry_intr; break;
+ case WIN_RESTORE: handler = recal_intr; break;
+ case WIN_SETMULT: handler = set_multmode_intr; break;
+ }
+ }
+ ide_execute_command(drive, tf->command, handler,
+ WAIT_WORSTCASE, NULL);
+ return ide_started;
+ default:
+ if (task_dma_ok(task) == 0 || drive->using_dma == 0 ||
+ hwif->dma_setup(drive))
+ return ide_stopped;
hwif->dma_exec_cmd(drive, tf->command);
hwif->dma_start(drive);
return ide_started;
}
-
- return ide_stopped;
}
+EXPORT_SYMBOL_GPL(do_rw_taskfile);
/*
* set_multmode_intr() is invoked on completion of a WIN_SETMULT cmd.
*/
-ide_startstop_t set_multmode_intr (ide_drive_t *drive)
+static ide_startstop_t set_multmode_intr(ide_drive_t *drive)
{
ide_hwif_t *hwif = HWIF(drive);
u8 stat;
/*
* set_geometry_intr() is invoked on completion of a WIN_SPECIFY cmd.
*/
-ide_startstop_t set_geometry_intr (ide_drive_t *drive)
+static ide_startstop_t set_geometry_intr(ide_drive_t *drive)
{
ide_hwif_t *hwif = HWIF(drive);
int retries = 5;
/*
* recal_intr() is invoked on completion of a WIN_RESTORE (recalibrate) cmd.
*/
-ide_startstop_t recal_intr (ide_drive_t *drive)
+static ide_startstop_t recal_intr(ide_drive_t *drive)
{
ide_hwif_t *hwif = HWIF(drive);
u8 stat;
/*
* Handler for commands without a data phase
*/
-ide_startstop_t task_no_data_intr (ide_drive_t *drive)
+static ide_startstop_t task_no_data_intr(ide_drive_t *drive)
{
ide_task_t *args = HWGROUP(drive)->rq->special;
ide_hwif_t *hwif = HWIF(drive);
/*
* Handler for command with PIO data-in phase (Read/Read Multiple).
*/
-ide_startstop_t task_in_intr (ide_drive_t *drive)
+static ide_startstop_t task_in_intr(ide_drive_t *drive)
{
ide_hwif_t *hwif = drive->hwif;
struct request *rq = HWGROUP(drive)->rq;
return ide_started;
}
-EXPORT_SYMBOL(task_in_intr);
/*
* Handler for command with PIO data-out phase (Write/Write Multiple).
return ide_started;
}
-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 request *rq)
{
ide_startstop_t startstop;
return ide_started;
}
-EXPORT_SYMBOL(pre_task_out_intr);
int ide_raw_taskfile(ide_drive_t *drive, ide_task_t *task, u8 *buf, u16 nsect)
{
int ide_no_data_taskfile(ide_drive_t *drive, ide_task_t *task)
{
task->data_phase = TASKFILE_NO_DATA;
- task->handler = task_no_data_intr;
return ide_raw_taskfile(drive, task, NULL, 0);
}
}
/* fall through */
case TASKFILE_OUT:
- args.prehandler = &pre_task_out_intr;
- args.handler = &task_out_intr;
/* fall through */
case TASKFILE_OUT_DMAQ:
case TASKFILE_OUT_DMA:
}
/* fall through */
case TASKFILE_IN:
- args.handler = &task_in_intr;
/* fall through */
case TASKFILE_IN_DMAQ:
case TASKFILE_IN_DMA:
data_buf = inbuf;
break;
case TASKFILE_NO_DATA:
- args.handler = &task_no_data_intr;
break;
default:
err = -EFAULT;
return err;
}
-
-/*
- * NOTICE: This is additions from IBM to provide a discrete interface,
- * for selective taskregister access operations. Nice JOB Klaus!!!
- * Glad to be able to work and co-develop this with you and IBM.
- */
-ide_startstop_t flagged_taskfile (ide_drive_t *drive, ide_task_t *task)
-{
- 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;
- }
- }
-
- task->tf_flags |= IDE_TFLAG_FLAGGED_SET_IN_FLAGS;
-
- return do_rw_taskfile(drive, task);
-}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff