target: Introduce TCM_NO_SENSE

Introduce TCM_NO_SENSE, mapping to sense code
'Not ready, no additional sense information'.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Cc: Nicholas Bellinger <nab@risingtidesystems.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>

2 files changed, 11 insertions, 0 deletions

diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index 978762dc81bf..104bf3b45a01 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -2597,6 +2597,16 @@ transport_send_check_condition_and_sense(struct se_cmd *cmd,
          * SENSE KEY values from include/scsi/scsi.h
          */
         switch (reason) {
+        case TCM_NO_SENSE:
+                /* CURRENT ERROR */
+                buffer[0] = 0x70;
+                buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
+                /* Not Ready */
+                buffer[SPC_SENSE_KEY_OFFSET] = NOT_READY;
+                /* NO ADDITIONAL SENSE INFORMATION */
+                buffer[SPC_ASC_KEY_OFFSET] = 0;
+                buffer[SPC_ASCQ_KEY_OFFSET] = 0;
+                break;
         case TCM_NON_EXISTENT_LUN:
                 /* CURRENT ERROR */
                 buffer[0] = 0x70;
diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h
index 7cae2360221e..663e34a5383f 100644
--- a/include/target/target_core_base.h
+++ b/include/target/target_core_base.h
@@ -174,6 +174,7 @@ typedef unsigned __bitwise__ sense_reason_t;
 
 enum tcm_sense_reason_table {
 #define R(x)    (__force sense_reason_t )(x)
+        TCM_NO_SENSE                            = R(0x00),
         TCM_NON_EXISTENT_LUN                    = R(0x01),
         TCM_UNSUPPORTED_SCSI_OPCODE             = R(0x02),
         TCM_INCORRECT_AMOUNT_OF_DATA            = R(0x03),