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Commit 057ea7c9 authored by Hannes Reinecke's avatar Hannes Reinecke Committed by James Bottomley
Browse files

[SCSI] scsi_dh: add generic SPC-3 alua handler 



Signed-off-by: default avatarHannes Reinecke <hare@suse.de>
Signed-off-by: default avatarChandra Seetharaman <sekharan@us.ibm.com>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@HansenPartnership.com>
parent ca9f0089

drivers/scsi/device_handler/Kconfig

+8 −0
Original line number Diff line number Diff line
@@ -30,3 +30,11 @@ config SCSI_DH_EMC 
	depends on SCSI_DH

	help

	If you have a EMC CLARiiON select y. Otherwise, say N.



config SCSI_DH_ALUA

	tristate "SPC-3 ALUA Device Handler (EXPERIMENTAL)"

	depends on SCSI_DH && EXPERIMENTAL

	help

	  SCSI Device handler for generic SPC-3 Asymmetric Logical Unit

	  Access (ALUA).

drivers/scsi/device_handler/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -5,3 +5,4 @@ obj-$(CONFIG_SCSI_DH) += scsi_dh.o 
obj-$(CONFIG_SCSI_DH_RDAC)	+= scsi_dh_rdac.o

obj-$(CONFIG_SCSI_DH_HP_SW)	+= scsi_dh_hp_sw.o

obj-$(CONFIG_SCSI_DH_EMC)	+= scsi_dh_emc.o

obj-$(CONFIG_SCSI_DH_ALUA)	+= scsi_dh_alua.o

drivers/scsi/device_handler/scsi_dh_alua.c

0 → 100644
+802 −0

File added.

Preview size limit exceeded, changes collapsed.

include/scsi/scsi.h

+3 −0
Original line number Diff line number Diff line
@@ -106,6 +106,7 @@ 
#define VARIABLE_LENGTH_CMD   0x7f

#define REPORT_LUNS           0xa0

#define MAINTENANCE_IN        0xa3

#define MAINTENANCE_OUT       0xa4

#define MOVE_MEDIUM           0xa5

#define EXCHANGE_MEDIUM       0xa6

#define READ_12               0xa8
@@ -125,6 +126,8 @@ 
#define	SAI_READ_CAPACITY_16  0x10

/* values for maintenance in */

#define MI_REPORT_TARGET_PGS  0x0a

/* values for maintenance out */

#define MO_SET_TARGET_PGS     0x0a



/* Values for T10/04-262r7 */

#define	ATA_16		      0x85	/* 16-byte pass-thru */