[SCSI] ibmvfc: Suppress ABTS if target gone

Adds support for a new VIOS feature that allows ibmvfc to
optimize terminate_rport_io by telling the VIOS the target
is no longer accessible on the fabric and that it should
not send an ABTS out on the fabric to the device.

Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Acked-by: Robert Jennings <rcj@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/scsi/ibmvscsi/ibmvfc.h b/drivers/scsi/ibmvscsi/ibmvfc.h
index 3be8af624e6f..219005da37c0 100644
--- a/drivers/scsi/ibmvscsi/ibmvfc.h
+++ b/drivers/scsi/ibmvscsi/ibmvfc.h
@@ -208,10 +208,10 @@ struct ibmvfc_npiv_login_resp {
         u16 error;
         u32 flags;
 #define IBMVFC_NATIVE_FC                0x01
-#define IBMVFC_CAN_FLUSH_ON_HALT        0x08
         u32 reserved;
         u64 capabilities;
 #define IBMVFC_CAN_FLUSH_ON_HALT        0x08
+#define IBMVFC_CAN_SUPPRESS_ABTS        0x10
         u32 max_cmds;
         u32 scsi_id_sz;
         u64 max_dma_len;
@@ -351,6 +351,7 @@ struct ibmvfc_tmf {
 #define IBMVFC_TMF_LUN_RESET            0x10
 #define IBMVFC_TMF_TGT_RESET            0x20
 #define IBMVFC_TMF_LUA_VALID            0x40
+#define IBMVFC_TMF_SUPPRESS_ABTS        0x80
         u32 cancel_key;
         u32 my_cancel_key;
         u32 pad;