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ide: add generic ATA/ATAPI disk driver

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* Add struct ide_disk_ops containing protocol specific methods.

* Add 'struct ide_disk_ops *' to ide_drive_t.

* Convert ide-{disk,floppy} drivers to use struct ide_disk_ops.

* Merge ide-{disk,floppy} drivers into generic ide-gd driver.

While at it:
- ide_disk_init_capacity() -> ide_disk_get_capacity()

Acked-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Bartlomiej Zolnierkiewicz
2008-10-17 18:09:14 +02:00
parent 79cb380397
commit 806f80a6fc
13 changed files with 304 additions and 456 deletions
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drivers/ide/Kconfig
+30 -34
View File
@@ -84,21 +84,40 @@ config BLK_DEV_IDE_SATA
If unsure, say N.
config BLK_DEV_IDEDISK
tristate "Include IDE/ATA-2 DISK support"
---help---
This will include enhanced support for MFM/RLL/IDE hard disks. If
you have a MFM/RLL/IDE disk, and there is no special reason to use
the old hard disk driver instead, say Y. If you have an SCSI-only
system, you can say N here.
config IDE_GD
tristate "generic ATA/ATAPI disk support"
default y
help
Support for ATA/ATAPI disks (including ATAPI floppy drives).
To compile this driver as a module, choose M here: the
module will be called ide-disk.
Do not compile this driver as a module if your root file system
(the one containing the directory /) is located on the IDE disk.
To compile this driver as a module, choose M here.
The module will be called ide-gd_mod.
If unsure, say Y.
config IDE_GD_ATA
bool "ATA disk support"
depends on IDE_GD
default y
help
This will include support for ATA hard disks.
If unsure, say Y.
config IDE_GD_ATAPI
bool "ATAPI floppy support"
depends on IDE_GD
select IDE_ATAPI
help
This will include support for ATAPI floppy drives
(i.e. Iomega ZIP or MKE LS-120).
For information about jumper settings and the question
of when a ZIP drive uses a partition table, see
<http://www.win.tue.nl/~aeb/linux/zip/zip-1.html>.
If unsure, say N.
config BLK_DEV_IDECS
tristate "PCMCIA IDE support"
depends on PCMCIA
@@ -163,29 +182,6 @@ config BLK_DEV_IDETAPE
To compile this driver as a module, choose M here: the
module will be called ide-tape.
config BLK_DEV_IDEFLOPPY
tristate "Include IDE/ATAPI FLOPPY support"
select IDE_ATAPI
---help---
If you have an IDE floppy drive which uses the ATAPI protocol,
answer Y. ATAPI is a newer protocol used by IDE CD-ROM/tape/floppy
drives, similar to the SCSI protocol.
The LS-120 and the IDE/ATAPI Iomega ZIP drive are also supported by
this driver. For information about jumper settings and the question
of when a ZIP drive uses a partition table, see
<http://www.win.tue.nl/~aeb/linux/zip/zip-1.html>.
(ATAPI PD-CD/CDR drives are not supported by this driver; support
for PD-CD/CDR drives is available if you answer Y to
"SCSI emulation support", below).
If you say Y here, the FLOPPY drive will be identified along with
other IDE devices, as "hdb" or "hdc", or something similar (check
the boot messages with dmesg).
To compile this driver as a module, choose M here: the
module will be called ide-floppy.
config BLK_DEV_IDESCSI
tristate "SCSI emulation support (DEPRECATED)"
depends on SCSI