ps3: BD/DVD/CD-ROM Storage Driver

Add a BD/DVD/CD-ROM Storage Driver for the PS3:
  - Implemented as a SCSI device driver
  - Uses software scatter-gather with a 64 KiB bounce buffer as the hypervisor
    doesn't support scatter-gather

Cc: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Cc: Jens Axboe <jens.axboe@oracle.com>
Cc: James Bottomley <James.Bottomley@steeleye.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

arch/powerpc/platforms/ps3/Kconfig

@@ -112,4 +112,15 @@ config PS3_DISK
 	  This support is required to access the PS3 hard disk.
 	  In general, all users will say Y or M.
 
+config PS3_ROM
+	tristate "PS3 BD/DVD/CD-ROM Storage Driver"
+	depends on PPC_PS3 && SCSI
+	select PS3_STORAGE
+	help
+	  Include support for the PS3 ROM Storage.
+
+	  This support is required to access the PS3 BD/DVD/CD-ROM drive.
+	  In general, all users will say Y or M.
+	  Also make sure to say Y or M to "SCSI CDROM support" later.
+
 endmenu

drivers/scsi/Makefile

@@ -132,6 +132,7 @@ obj-$(CONFIG_SCSI_IBMVSCSI)	+= ibmvscsi/
 obj-$(CONFIG_SCSI_IBMVSCSIS)	+= ibmvscsi/
 obj-$(CONFIG_SCSI_HPTIOP)	+= hptiop.o
 obj-$(CONFIG_SCSI_STEX)		+= stex.o
+obj-$(CONFIG_PS3_ROM)		+= ps3rom.o
 
 obj-$(CONFIG_ARM)		+= arm/