Skip to content

Commit

Permalink
---
Browse files Browse the repository at this point in the history
yaml
---
r: 133373
b: refs/heads/master
c: 1bc6daa
h: refs/heads/master
i:
  133371: 5b2f930
v: v3
  • Loading branch information
Bartlomiej Zolnierkiewicz committed Mar 24, 2009
1 parent a586c7c commit 523c1c4
Show file tree
Hide file tree
Showing 2 changed files with 42 additions and 35 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 1866082339597930c5b77aad8de34ab4fbb5724f
refs/heads/master: 1bc6daae4aba9194f8ff6801af8367a1a4718965
75 changes: 41 additions & 34 deletions trunk/drivers/ide/ide-io.c
Original file line number Diff line number Diff line change
Expand Up @@ -514,46 +514,53 @@ int ide_devset_execute(ide_drive_t *drive, const struct ide_devset *setting,
return ret;
}

static ide_startstop_t ide_do_devset(ide_drive_t *drive, struct request *rq)
{
int err, (*setfunc)(ide_drive_t *, int) = rq->special;

err = setfunc(drive, *(int *)&rq->cmd[1]);
if (err)
rq->errors = err;
else
err = 1;
ide_end_request(drive, err, 0);
return ide_stopped;
}

static ide_startstop_t ide_do_park_unpark(ide_drive_t *drive, struct request *rq)
{
ide_task_t task;
struct ide_taskfile *tf = &task.tf;

memset(&task, 0, sizeof(task));
if (rq->cmd[0] == REQ_PARK_HEADS) {
drive->sleep = *(unsigned long *)rq->special;
drive->dev_flags |= IDE_DFLAG_SLEEPING;
tf->command = ATA_CMD_IDLEIMMEDIATE;
tf->feature = 0x44;
tf->lbal = 0x4c;
tf->lbam = 0x4e;
tf->lbah = 0x55;
task.tf_flags |= IDE_TFLAG_CUSTOM_HANDLER;
} else /* cmd == REQ_UNPARK_HEADS */
tf->command = ATA_CMD_CHK_POWER;

task.tf_flags |= IDE_TFLAG_TF | IDE_TFLAG_DEVICE;
task.rq = rq;
drive->hwif->data_phase = task.data_phase = TASKFILE_NO_DATA;
return do_rw_taskfile(drive, &task);
}

static ide_startstop_t ide_special_rq(ide_drive_t *drive, struct request *rq)
{
u8 cmd = rq->cmd[0];

if (cmd == REQ_PARK_HEADS || cmd == REQ_UNPARK_HEADS) {
ide_task_t task;
struct ide_taskfile *tf = &task.tf;

memset(&task, 0, sizeof(task));
if (cmd == REQ_PARK_HEADS) {
drive->sleep = *(unsigned long *)rq->special;
drive->dev_flags |= IDE_DFLAG_SLEEPING;
tf->command = ATA_CMD_IDLEIMMEDIATE;
tf->feature = 0x44;
tf->lbal = 0x4c;
tf->lbam = 0x4e;
tf->lbah = 0x55;
task.tf_flags |= IDE_TFLAG_CUSTOM_HANDLER;
} else /* cmd == REQ_UNPARK_HEADS */
tf->command = ATA_CMD_CHK_POWER;

task.tf_flags |= IDE_TFLAG_TF | IDE_TFLAG_DEVICE;
task.rq = rq;
drive->hwif->data_phase = task.data_phase = TASKFILE_NO_DATA;
return do_rw_taskfile(drive, &task);
}

switch (cmd) {
case REQ_PARK_HEADS:
case REQ_UNPARK_HEADS:
return ide_do_park_unpark(drive, rq);
case REQ_DEVSET_EXEC:
{
int err, (*setfunc)(ide_drive_t *, int) = rq->special;

err = setfunc(drive, *(int *)&rq->cmd[1]);
if (err)
rq->errors = err;
else
err = 1;
ide_end_request(drive, err, 0);
return ide_stopped;
}
return ide_do_devset(drive, rq);
case REQ_DRIVE_RESET:
return ide_do_reset(drive);
default:
Expand Down

0 comments on commit 523c1c4

Please sign in to comment.