Commit Graph

303 Commits

Author SHA1 Message Date
Bartlomiej Zolnierkiewicz 97100fc816 ide: add device flags
Add 'unsigned long dev_flags' to ide_drive_t and convert bitfields
to IDE_DFLAG_* flags.

While at it:
- IDE_DFLAG_ADDRESSING -> IDE_DFLAG_LBA48
- fixup some comments
- remove needless g->flags zeroing from ide*_probe()

There should be no functional changes caused by this patch.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-10-13 21:39:36 +02:00
Borislav Petkov 5aeddf907f ide: unify conversion macros
Introduce to_ide_drv() and ide_drv_g() macros and replace the respective
definitions of similar ones in each driver.

There should be no functionality change resulting from this patch.

Signed-off-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-10-13 21:39:34 +02:00
Bartlomiej Zolnierkiewicz baf08f0be6 ide: make ide_transfer_pc() static
* Move ->ticks field from struct ide_floppy_obj to ide_drive_t.

* Move idefloppy_transfer_pc() to ide-atapi.c and make
  ide_transfer_pc() use it.

* Always use ide_transfer_pc as a handler in ide_issue_pc().

* Remove no longer used idefloppy_start_pc_transfer(),
  ide*_transfer_pc() and 'handler' argument from ide_issue_pc().

* Make ide_transfer_pc() static.

While at it:

* idefloppy_transfer_pc() -> ide_delayed_transfer_pc()

* IDEFLOPPY_TICKS_DELAY -> IDEFLOPPY_PC_DELAY

* ->ticks -> ->pc_delay

There should be no functional changes caused by this patch.

Cc: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-10-13 21:39:32 +02:00
Bartlomiej Zolnierkiewicz aa5d2de7b0 ide: make ide_pc_intr() static
* Always use ide_pc_intr as a handler in ide_pc_intr().

* Remove no longer used ide*_pc_intr() and 'handler'
  argument from ide_{transfer_pc,pc_intr}().

* Make ide_pc_intr() static.

There should be no functional changes caused by this patch.

Cc: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-10-13 21:39:32 +02:00
Bartlomiej Zolnierkiewicz 85e39035ca ide: add ->pc_{update,io}_buffers methods
Add ->pc_{update,io}_buffers methods to ide_drive_t and use
them instead of {update,io}_buffers ide_pc_intr() arguments.

There should be no functional changes caused by this patch.

Cc: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-10-13 21:39:32 +02:00
Bartlomiej Zolnierkiewicz 6b0da28b2d ide: add ide_retry_pc() helper
* Add ide_create_request_sense_cmd() and ide_retry_pc() helpers
  and convert ide-{atapi,floppy,tape}.c to use them.

* Remove no longer used ide*_create_request_sense_cmd(),
  ide*_retry_pc() and 'retry_pc' argument from ide_pc_intr().

* Make ide_queue_pc_head() static.

There should be no functional changes caused by this patch.

Cc: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-10-13 21:39:32 +02:00
Bartlomiej Zolnierkiewicz 67c56364df ide: add request_sense_{pc,rq} to ide_drive_t
Add 'struct ide_atapi_pc request_sense_pc' and 'request request_sense_rq' to
ide_drive_t and use them instead of fields in struct ide_{floppy,tape}_obj.

There should be no functional changes caused by this patch.

Cc: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-10-13 21:39:31 +02:00
Bartlomiej Zolnierkiewicz 844b946852 ide: drop 'timeout' and 'expiry' arguments from ide_pc_intr()
* Move idescsi_expiry() to ide-atapi.c.

* Move get_timeout() to <linux/ide.h>.

* Drop 'timeout' and 'expiry' arguments from ide_pc_intr().

While at it:

* idescsi_expiry() -> ide_scsi_expiry()

* get_timeout() -> ide_scsi_get_timeout()

There should be no functional changes caused by this patch.

Cc: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-10-13 21:39:31 +02:00
Bartlomiej Zolnierkiewicz 2b9efba482 ide: add pointer to the current packet command to ide_drive_t
* Add pointer to the current packet command (struct ide_atapi_pc *pc)
  to ide_drive_t and use it instead of the pointer in struct ide_*_obj.

* Use drive->pc in ide_{issue,transfer}_pc() and ide_pc_intr()
  instead of 'pc' argument.

There should be no functional changes caused by this patch.

Cc: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-10-13 21:39:31 +02:00
Bartlomiej Zolnierkiewicz b14c72127f ide: drop dsc_handle argument from ide_pc_intr()
* Add 'int dsc' argument to ->pc_callback method.

* Call ide_tape_handle_dsc() internally in ide_tape_callback()
  if dsc argument is set and update ide_pc_intr() accordingly.

There should be no functional changes caused by this patch.

Cc: Borislav Petkov <petkovbb@gmail.com>
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-10-13 21:39:30 +02:00
Elias Oltmanns 92f1f8fd80 ide: Remove ide_spin_wait_hwgroup() and use special requests instead
Use a special request for serialisation purposes and get rid of the
awkward ide_spin_wait_hwgroup(). This also involves converting the
ide_devset structure so it can be shared by the /proc and the ioctl code.

Signed-off-by: Elias Oltmanns <eo@nebensachen.de>
[bart: use rq->cmd[] directly]
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-10-10 22:39:40 +02:00
Bartlomiej Zolnierkiewicz d6e2955a6b ide: move IDE{FLOPPY,TAPE}_WAIT_CMD defines to <linux/ide.h>
While at it:

* IDE{FLOPPY,TAPE}_WAIT_CMD -> WAIT_{FLOPPY,TAPE}_CMD

* Use enum for WAIT_* defines.

There should be no functional changes caused by this patch.

Acked-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-10-10 22:39:39 +02:00
Bartlomiej Zolnierkiewicz de699ad595 ide: add ide_do_test_unit_ready() helper
* Add ide_do_test_unit_ready() helper and convert ide-{floppy,tape}.c
  to use it.

* Remove no longer used idetape_create_test_unit_ready_cmd().

There should be no functional changes caused by this patch.

Acked-by: Borislav Petkov <petkovbb@gmail.com>
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-10-10 22:39:39 +02:00
Bartlomiej Zolnierkiewicz 0c8a6c7aea ide: add ide_do_start_stop() helper
* Add ide_do_start_stop() helper and convert ide-{floppy,tape}.c
  to use it.

* Remove no longer used idefloppy_create_start_stop_cmd()
  and idetape_create_load_unload_cmd().

There should be no functional changes caused by this patch.

Acked-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-10-10 22:39:39 +02:00
Bartlomiej Zolnierkiewicz 0578042db3 ide: add ide_set_media_lock() helper
* Set IDE_AFLAG_NO_DOORLOCK in idetape_get_mode_sense_result(), check it
  in ide_tape_set_media_lock() and cleanup idetape_create_prevent_cmd().

* Set IDE_AFLAG_NO_DOORLOCK in ide_floppy_create_read_capacity_cmd() and
  check it instead of IDE_AFLAG_CLIK_DRIVE in ide_floppy_set_media_lock().

* Add ide_set_media_lock() helper and convert ide-{floppy,tape}.c to use it.

* Remove no longer used ide*_create_prevent_cmd()/ide*_set_media_lock().

* Update comment in <linux/ide.h> accordingly.

Acked-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-10-10 22:39:38 +02:00
Bartlomiej Zolnierkiewicz 2ac07d9206 ide: add ide_queue_pc_tail() helper
* Add ide_queue_pc_tail() and convert ide-{floppy,tape}.c to use it
  instead of ide*_queue_pc_tail().

* Remove no longer used ide*_queue_pc_tail().

There should be no functional changes caused by this patch.

Acked-by: Borislav Petkov <petkovbb@gmail.com>
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-10-10 22:39:38 +02:00
Bartlomiej Zolnierkiewicz 7645c1514c ide: add ide_queue_pc_head() helper
* Move REQ_IDETAPE_* enums to <linux/ide.h>.

* Add ide_queue_pc_head() and convert ide-{floppy,tape}.c to use it
  instead of ide*_queue_pc_head().

* Remove no longer used ide*_queue_pc_head().

There should be no functional changes caused by this patch.

Acked-by: Borislav Petkov <petkovbb@gmail.com>
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-10-10 22:39:37 +02:00
Bartlomiej Zolnierkiewicz 7bf7420a31 ide: add ide_init_pc() helper
* Add IDE_PC_BUFFER_SIZE define.

* Add ide_init_pc() and convert ide-{floppy,tape}.c to use it
  instead of ide*_init_pc().

* Remove no longer used IDE*_PC_BUFFER_SIZE and ide*_init_pc().

There should be no functional changes caused by this patch.

Acked-by: Borislav Petkov <petkovbb@gmail.com>
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-10-10 22:39:37 +02:00
Bartlomiej Zolnierkiewicz 385a4b8787 ide-tape: add ide_tape_set_media_lock() helper
Add ide_tape_set_media_lock() helper and convert idetape_mtioctop(),
idetape_chrdev_open() and idetape_chrdev_release() to use it.

There should be no functional changes caused by this patch (it is
OK to modify ->door_locked if idetape_create_prevent_cmd() fails).

Acked-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-10-10 22:39:37 +02:00
Bartlomiej Zolnierkiewicz acaa0f5f67 ide: add ide_io_buffers() helper
* Make ->io_buffers method return number of bytes transferred.

* Use ide_end_request() instead of idefloppy_end_request()
  in ide_floppy_io_buffers() and then move the call out to
  ide_pc_intr().

* Add ide_io_buffers() helper and convert ide-{floppy,scsi}.c
  to use it instead of ide*_io_buffers().

There should be no functional changes caused by this patch.

Acked-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-10-10 22:39:36 +02:00
Bartlomiej Zolnierkiewicz 2e8a6f89de ide-{floppy,tape}: remove packet command stack
* Add 'struct ide_atapi_pc queued_pc' to struct ide_{floppy,tape}_obj
  and switch ide*_do_request() to use it (there can be only one active
  request for a given device).

* Add 'struct ide_atapi_pc request_sense_pc' to struct ide_*_obj
  and switch ide*_retry_pc() to use it.

* Remove needless {floppy,tape}->pc assignment from ide*_setup().

* Remove no longer needed ide*_next_pc_storage(), pc_stack[],
  rq_stack_index, IDE*_PC_STACK and DBG_PC_STACK.

There should be no functional changes caused by this patch.

Cc: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-10-10 22:39:36 +02:00
Bartlomiej Zolnierkiewicz 394a4c2101 ide-{floppy,tape}: remove request stack
* Add 'struct request request_sense_rq' to struct ide_{floppy,tape}_obj
  and switch ide*_retry_pc() to use it (there can be only one REQUEST SENSE
  request active for a given device).

* Remove no longer needed ide*_next_rq_storage(), rq_stack[]
  and rq_stack_index.

* DBG_PCRQ_STACK -> DBG_PC_STACK

* Update comments for IDE*_PC_STACK and idetape_queue_pc_{head,tail}().

There should be no functional changes caused by this patch.

Cc: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-10-10 22:39:35 +02:00
Bartlomiej Zolnierkiewicz f025ffdcc3 ide-tape: remove idetape_init_rq()
idetape_init_rq() is only used in idetape_queue_pc_head()
so inline it there.

Cc: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-10-10 22:39:34 +02:00
Bartlomiej Zolnierkiewicz 51509eec34 ide: add ide_check_atapi_device() helper
* Add ide_check_atapi_device() to ide-atapi.c and convert
  ide-{floppy,tape}.c to use it instead of ide*_identify_device().

While at it:

* Add DRV_NAME defines to ide-{floppy,tape}.c.

Cc: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-10-10 22:39:34 +02:00
Bartlomiej Zolnierkiewicz 02d599a365 ide: remove ->supports_dsc_overlap field from ide_driver_t
* Use drive->media and drive->scsi to check if ->dsc_overlap
  can be set by HDIO_SET_NICE ioctl in generic_ide_ioctl().

* Remove unused ->supports_dsc_overlap field from ide_driver_t.

There should be no functional changes caused by this patch.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-10-10 22:39:29 +02:00