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Merge git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6

Browse source 
* git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6: (66 commits)
  ata: Add documentation for hard disk shock protection interface (v3)
  ide: Implement disk shock protection support (v4)
  ide-cd: fix printk format warning
  piix: add Hercules EC-900 mini-notebook to ich_laptop short cable list
  ide-atapi: assign taskfile flags per device type
  ide-cd: move cdrom_info.dma to ide_drive_t.dma
  ide: add ide_drive_t.dma flag
  ide-cd: add a debug_mask module parameter
  ide-cd: convert driver to new ide debugging macro (v3)
  ide: move SFF DMA code to ide-dma-sff.c
  ide: cleanup ide-dma.c
  ide: cleanup ide_build_dmatable()
  ide: remove needless includes from ide-dma.c
  ide: switch to DMA-mapping API part #2
  ide: make ide_dma_timeout() available also for CONFIG_BLK_DEV_IDEDMA_SFF=n
  ide: make ide_dma_lost_irq() available also for CONFIG_BLK_DEV_IDEDMA_SFF=n
  ide: __ide_dma_end() -> ide_dma_end()
  pmac: remove needless pmac_ide_destroy_dmatable() wrapper
  pmac: remove superfluous pmif == NULL checks
  ide: Two fixes regarding memory allocation
  ...
This commit is contained in:
Linus Torvalds 2008-10-13 14:15:06 -07:00
commit 7591103c08
75 changed files with 2656 additions and 2574 deletions
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102
drivers/scsi/ide-scsi.c
View file

@ -82,7 +82,6 @@ typedef struct ide_scsi_obj {
struct gendisk *disk;
struct Scsi_Host *host;
struct ide_atapi_pc *pc; /* Current packet command */
unsigned long transform; /* SCSI cmd translation layer */
unsigned long log; /* log flags */
} idescsi_scsi_t;
@ -137,10 +136,10 @@ static void ide_scsi_hex_dump(u8 *data, int len)
static int idescsi_end_request(ide_drive_t *, int, int);
static void ide_scsi_callback(ide_drive_t *drive)
static void ide_scsi_callback(ide_drive_t *drive, int dsc)
{
idescsi_scsi_t *scsi = drive_to_idescsi(drive);
struct ide_atapi_pc *pc = scsi->pc;
struct ide_atapi_pc *pc = drive->pc;
if (pc->flags & PC_FLAG_TIMEDOUT)
debug_log("%s: got timed out packet %lu at %lu\n", __func__,
@ -267,49 +266,10 @@ static int idescsi_end_request (ide_drive_t *drive, int uptodate, int nrsecs)
spin_unlock_irqrestore(host->host_lock, flags);
kfree(pc);
blk_put_request(rq);
scsi->pc = NULL;
drive->pc = NULL;
return 0;
}
static inline unsigned long get_timeout(struct ide_atapi_pc *pc)
{
return max_t(unsigned long, WAIT_CMD, pc->timeout - jiffies);
}
static int idescsi_expiry(ide_drive_t *drive)
{
idescsi_scsi_t *scsi = drive_to_idescsi(drive);
struct ide_atapi_pc *pc = scsi->pc;
debug_log("%s called for %lu at %lu\n", __func__,
pc->scsi_cmd->serial_number, jiffies);
pc->flags |= PC_FLAG_TIMEDOUT;
return 0; /* we do not want the ide subsystem to retry */
}
/*
* Our interrupt handler.
*/
static ide_startstop_t idescsi_pc_intr (ide_drive_t *drive)
{
idescsi_scsi_t *scsi = drive_to_idescsi(drive);
struct ide_atapi_pc *pc = scsi->pc;
return ide_pc_intr(drive, pc, idescsi_pc_intr, get_timeout(pc),
idescsi_expiry, NULL, NULL, NULL,
ide_io_buffers);
}
static ide_startstop_t idescsi_transfer_pc(ide_drive_t *drive)
{
idescsi_scsi_t *scsi = drive_to_idescsi(drive);
return ide_transfer_pc(drive, scsi->pc, idescsi_pc_intr,
get_timeout(scsi->pc), idescsi_expiry);
}
static inline int idescsi_set_direction(struct ide_atapi_pc *pc)
{
switch (pc->c[0]) {
@ -352,13 +312,10 @@ static int idescsi_map_sg(ide_drive_t *drive, struct ide_atapi_pc *pc)
static ide_startstop_t idescsi_issue_pc(ide_drive_t *drive,
struct ide_atapi_pc *pc)
{
idescsi_scsi_t *scsi = drive_to_idescsi(drive);
/* Set the current packet command */
scsi->pc = pc;
drive->pc = pc;
return ide_issue_pc(drive, pc, idescsi_transfer_pc,
get_timeout(pc), idescsi_expiry);
return ide_issue_pc(drive, ide_scsi_get_timeout(pc), ide_scsi_expiry);
}
/*
@ -374,7 +331,8 @@ static ide_startstop_t idescsi_do_request (ide_drive_t *drive, struct request *r
if (blk_sense_request(rq) || blk_special_request(rq)) {
struct ide_atapi_pc *pc = (struct ide_atapi_pc *)rq->special;
if (drive->using_dma && !idescsi_map_sg(drive, pc))
if ((drive->dev_flags & IDE_DFLAG_USING_DMA) &&
idescsi_map_sg(drive, pc) == 0)
pc->flags |= PC_FLAG_DMA_OK;
return idescsi_issue_pc(drive, pc);
@ -427,14 +385,14 @@ static const struct ide_proc_devset idescsi_settings[] = {
*/
static void idescsi_setup (ide_drive_t *drive, idescsi_scsi_t *scsi)
{
if ((drive->id[ATA_ID_CONFIG] & 0x0060) == 0x20)
set_bit(IDE_AFLAG_DRQ_INTERRUPT, &drive->atapi_flags);
clear_bit(IDESCSI_SG_TRANSFORM, &scsi->transform);
#if IDESCSI_DEBUG_LOG
set_bit(IDESCSI_LOG_CMD, &scsi->log);
#endif /* IDESCSI_DEBUG_LOG */
drive->pc_callback = ide_scsi_callback;
drive->pc_callback = ide_scsi_callback;
drive->pc_update_buffers = NULL;
drive->pc_io_buffers = ide_io_buffers;
ide_proc_register_driver(drive, scsi->driver);
}
@ -456,7 +414,7 @@ static void ide_scsi_remove(ide_drive_t *drive)
ide_scsi_put(scsi);
drive->scsi = 0;
drive->dev_flags &= ~IDE_DFLAG_SCSI;
}
static int ide_scsi_probe(ide_drive_t *);
@ -477,7 +435,6 @@ static ide_driver_t idescsi_driver = {
.probe = ide_scsi_probe,
.remove = ide_scsi_remove,
.version = IDESCSI_VERSION,
.media = ide_scsi,
.do_request = idescsi_do_request,
.end_request = idescsi_end_request,
.error = idescsi_atapi_error,
@ -622,6 +579,8 @@ static int idescsi_eh_abort (struct scsi_cmnd *cmd)
int busy;
int ret = FAILED;
struct ide_atapi_pc *pc;
/* In idescsi_eh_abort we try to gently pry our command from the ide subsystem */
if (test_bit(IDESCSI_LOG_CMD, &scsi->log))
@ -642,26 +601,27 @@ static int idescsi_eh_abort (struct scsi_cmnd *cmd)
spin_lock_irq(&ide_lock);
/* If there is no pc running we're done (our interrupt took care of it) */
if (!scsi->pc) {
pc = drive->pc;
if (pc == NULL) {
ret = SUCCESS;
goto ide_unlock;
}
/* It's somewhere in flight. Does ide subsystem agree? */
if (scsi->pc->scsi_cmd->serial_number == cmd->serial_number && !busy &&
elv_queue_empty(drive->queue) && HWGROUP(drive)->rq != scsi->pc->rq) {
if (pc->scsi_cmd->serial_number == cmd->serial_number && !busy &&
elv_queue_empty(drive->queue) && HWGROUP(drive)->rq != pc->rq) {
/*
* FIXME - not sure this condition can ever occur
*/
printk (KERN_ERR "ide-scsi: cmd aborted!\n");
if (blk_sense_request(scsi->pc->rq))
kfree(scsi->pc->buf);
if (blk_sense_request(pc->rq))
kfree(pc->buf);
/* we need to call blk_put_request twice. */
blk_put_request(scsi->pc->rq);
blk_put_request(scsi->pc->rq);
kfree(scsi->pc);
scsi->pc = NULL;
blk_put_request(pc->rq);
blk_put_request(pc->rq);
kfree(pc);
drive->pc = NULL;
ret = SUCCESS;
}
@ -683,6 +643,8 @@ static int idescsi_eh_reset (struct scsi_cmnd *cmd)
int ready = 0;
int ret = SUCCESS;
struct ide_atapi_pc *pc;
/* In idescsi_eh_reset we forcefully remove the command from the ide subsystem and reset the device. */
if (test_bit(IDESCSI_LOG_CMD, &scsi->log))
@ -697,7 +659,9 @@ static int idescsi_eh_reset (struct scsi_cmnd *cmd)
spin_lock_irq(cmd->device->host->host_lock);
spin_lock(&ide_lock);
if (!scsi->pc || (req = scsi->pc->rq) != HWGROUP(drive)->rq || !HWGROUP(drive)->handler) {
pc = drive->pc;
if (pc == NULL || (req = pc->rq) != HWGROUP(drive)->rq || !HWGROUP(drive)->handler) {
printk (KERN_WARNING "ide-scsi: No active request in idescsi_eh_reset\n");
spin_unlock(&ide_lock);
spin_unlock_irq(cmd->device->host->host_lock);
@ -708,9 +672,9 @@ static int idescsi_eh_reset (struct scsi_cmnd *cmd)
if (__blk_end_request(req, -EIO, 0))
BUG();
if (blk_sense_request(req))
kfree(scsi->pc->buf);
kfree(scsi->pc);
scsi->pc = NULL;
kfree(pc->buf);
kfree(pc);
drive->pc = NULL;
blk_put_request(req);
/* now nuke the drive queue */
@ -801,7 +765,7 @@ static int ide_scsi_probe(ide_drive_t *drive)
!(host = scsi_host_alloc(&idescsi_template,sizeof(idescsi_scsi_t))))
return -ENODEV;
drive->scsi = 1;
drive->dev_flags |= IDE_DFLAG_SCSI;
g = alloc_disk(1 << PARTN_BITS);
if (!g)
@ -842,7 +806,7 @@ static int ide_scsi_probe(ide_drive_t *drive)
put_disk(g);
out_host_put:
drive->scsi = 0;
drive->dev_flags &= ~IDE_DFLAG_SCSI;
scsi_host_put(host);
return err;
}