diff options
| -rw-r--r-- | drivers/ide/ide-atapi.c | 34 | ||||
| -rw-r--r-- | drivers/ide/ide-floppy.c | 3 | ||||
| -rw-r--r-- | drivers/ide/ide-tape.c | 5 | ||||
| -rw-r--r-- | drivers/scsi/ide-scsi.c | 25 | ||||
| -rw-r--r-- | include/linux/ide.h | 10 |
5 files changed, 42 insertions, 35 deletions
diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c index 0069c4f..1848351 100644 --- a/drivers/ide/ide-atapi.c +++ b/drivers/ide/ide-atapi.c @@ -203,9 +203,21 @@ int ide_set_media_lock(ide_drive_t *drive, struct gendisk *disk, int on) } EXPORT_SYMBOL_GPL(ide_set_media_lock); +int ide_scsi_expiry(ide_drive_t *drive) +{ + struct ide_atapi_pc *pc = drive->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 */ +} +EXPORT_SYMBOL_GPL(ide_scsi_expiry); + /* TODO: unify the code thus making some arguments go away */ -ide_startstop_t ide_pc_intr(ide_drive_t *drive, - ide_handler_t *handler, unsigned int timeout, ide_expiry_t *expiry, +ide_startstop_t ide_pc_intr(ide_drive_t *drive, ide_handler_t *handler, void (*update_buffers)(ide_drive_t *, struct ide_atapi_pc *), void (*retry_pc)(ide_drive_t *), int (*io_buffers)(ide_drive_t *, struct ide_atapi_pc *, unsigned, int)) @@ -215,12 +227,22 @@ ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct request *rq = hwif->hwgroup->rq; const struct ide_tp_ops *tp_ops = hwif->tp_ops; xfer_func_t *xferfunc; - unsigned int temp; + ide_expiry_t *expiry; + unsigned int timeout, temp; u16 bcount; u8 stat, ireason, scsi = drive->scsi, dsc = 0; debug_log("Enter %s - interrupt handler\n", __func__); + if (scsi) { + timeout = ide_scsi_get_timeout(pc); + expiry = ide_scsi_expiry; + } else { + timeout = (drive->media == ide_floppy) ? WAIT_FLOPPY_CMD + : WAIT_TAPE_CMD; + expiry = NULL; + } + if (pc->flags & PC_FLAG_TIMEDOUT) { drive->pc_callback(drive, 0); return ide_stopped; @@ -347,9 +369,7 @@ cmd_finished: pc->xferred += temp; pc->cur_pos += temp; ide_pad_transfer(drive, 0, bcount - temp); - ide_set_handler(drive, handler, timeout, - expiry); - return ide_started; + goto next_irq; } debug_log("The device wants to send us more data than " "expected - allowing transfer\n"); @@ -376,7 +396,7 @@ cmd_finished: debug_log("[cmd %x] transferred %d bytes on that intr.\n", rq->cmd[0], bcount); - +next_irq: /* And set the interrupt handler again */ ide_set_handler(drive, handler, timeout, expiry); return ide_started; diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index cb89caf..49e7026 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -219,8 +219,7 @@ static void idefloppy_retry_pc(ide_drive_t *drive) /* The usual interrupt handler called during a packet command. */ static ide_startstop_t idefloppy_pc_intr(ide_drive_t *drive) { - return ide_pc_intr(drive, idefloppy_pc_intr, - WAIT_FLOPPY_CMD, NULL, idefloppy_update_buffers, + return ide_pc_intr(drive, idefloppy_pc_intr, idefloppy_update_buffers, idefloppy_retry_pc, ide_io_buffers); } diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c index 5b2ac04..fe8502a 100644 --- a/drivers/ide/ide-tape.c +++ b/drivers/ide/ide-tape.c @@ -655,9 +655,8 @@ static int ide_tape_io_buffers(ide_drive_t *drive, struct ide_atapi_pc *pc, */ static ide_startstop_t idetape_pc_intr(ide_drive_t *drive) { - return ide_pc_intr(drive, idetape_pc_intr, WAIT_TAPE_CMD, - NULL, idetape_update_buffers, idetape_retry_pc, - ide_tape_io_buffers); + return ide_pc_intr(drive, idetape_pc_intr, idetape_update_buffers, + idetape_retry_pc, ide_tape_io_buffers); } /* diff --git a/drivers/scsi/ide-scsi.c b/drivers/scsi/ide-scsi.c index bb8b3b1..f71d1b3 100644 --- a/drivers/scsi/ide-scsi.c +++ b/drivers/scsi/ide-scsi.c @@ -270,36 +270,19 @@ static int idescsi_end_request (ide_drive_t *drive, int uptodate, int nrsecs) 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) -{ - struct ide_atapi_pc *pc = drive->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) { - return ide_pc_intr(drive, idescsi_pc_intr, get_timeout(drive->pc), - idescsi_expiry, NULL, NULL, ide_io_buffers); + return ide_pc_intr(drive, idescsi_pc_intr, NULL, NULL, ide_io_buffers); } static ide_startstop_t idescsi_transfer_pc(ide_drive_t *drive) { return ide_transfer_pc(drive, idescsi_pc_intr, - get_timeout(drive->pc), idescsi_expiry); + ide_scsi_get_timeout(drive->pc), + ide_scsi_expiry); } static inline int idescsi_set_direction(struct ide_atapi_pc *pc) @@ -348,7 +331,7 @@ static ide_startstop_t idescsi_issue_pc(ide_drive_t *drive, drive->pc = pc; return ide_issue_pc(drive, idescsi_transfer_pc, - get_timeout(pc), idescsi_expiry); + ide_scsi_get_timeout(pc), ide_scsi_expiry); } /* diff --git a/include/linux/ide.h b/include/linux/ide.h index 98d29df..3bf2bf0 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -1175,8 +1175,14 @@ int ide_do_test_unit_ready(ide_drive_t *, struct gendisk *); int ide_do_start_stop(ide_drive_t *, struct gendisk *, int); int ide_set_media_lock(ide_drive_t *, struct gendisk *, int); -ide_startstop_t ide_pc_intr(ide_drive_t *drive, - ide_handler_t *handler, unsigned int timeout, ide_expiry_t *expiry, +static inline unsigned long ide_scsi_get_timeout(struct ide_atapi_pc *pc) +{ + return max_t(unsigned long, WAIT_CMD, pc->timeout - jiffies); +} + +int ide_scsi_expiry(ide_drive_t *); + +ide_startstop_t ide_pc_intr(ide_drive_t *drive, ide_handler_t *handler, void (*update_buffers)(ide_drive_t *, struct ide_atapi_pc *), void (*retry_pc)(ide_drive_t *), int (*io_buffers)(ide_drive_t *, struct ide_atapi_pc *, unsigned int, |
