[SCSI] qla4xxx: Add get ACB state support using BSG

Signed-off-by: Harish Zunjarrao <harish.zunjarrao@qlogic.com>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
diff --git a/drivers/scsi/qla4xxx/ql4_bsg.h b/drivers/scsi/qla4xxx/ql4_bsg.h
index 5f6424e..0400e1a 100644
--- a/drivers/scsi/qla4xxx/ql4_bsg.h
+++ b/drivers/scsi/qla4xxx/ql4_bsg.h
@@ -10,5 +10,6 @@
 /* BSG Vendor specific commands */
 #define QLISCSI_VND_READ_FLASH		1
 #define QLISCSI_VND_UPDATE_FLASH	2
+#define QLISCSI_VND_GET_ACB_STATE	3
 
 #endif