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authorNicholas Bellinger <nab@daterainc.com>2013-08-19 15:10:38 -0700
committerNicholas Bellinger <nab@linux-iscsi.org>2013-09-09 14:29:27 -0700
commit818b571ca053e19be336de1cc75c01dd5445e969 (patch)
tree20b1244ccd2aa71d46abfe015b368742ebaecab1
parenta6b0133c19af1ab268ed1f4414efa2782896a870 (diff)
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target: Add TCM_MISCOMPARE_VERIFY sense handling
This patch adds TCM_MISCOMPARE_VERIFY (ASC=0x1d, ASCQ=0x00) sense handling to transport_send_check_condition_and_sense(), which is required for a COMPARE_AND_WRITE comparision failure. Cc: Christoph Hellwig <hch@lst.de> Cc: Hannes Reinecke <hare@suse.de> Cc: Martin Petersen <martin.petersen@oracle.com> Cc: Chris Mason <chris.mason@fusionio.com> Cc: James Bottomley <JBottomley@Parallels.com> Cc: Nicholas Bellinger <nab@linux-iscsi.org> Signed-off-by: Nicholas Bellinger <nab@daterainc.com>
-rw-r--r--drivers/target/target_core_transport.c9
-rw-r--r--include/target/target_core_base.h1
2 files changed, 10 insertions, 0 deletions
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index 53d1d75..3d3dc97 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -2791,6 +2791,15 @@ transport_send_check_condition_and_sense(struct se_cmd *cmd,
buffer[SPC_ASC_KEY_OFFSET] = asc;
buffer[SPC_ASCQ_KEY_OFFSET] = ascq;
break;
+ case TCM_MISCOMPARE_VERIFY:
+ /* CURRENT ERROR */
+ buffer[0] = 0x70;
+ buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
+ buffer[SPC_SENSE_KEY_OFFSET] = MISCOMPARE;
+ /* MISCOMPARE DURING VERIFY OPERATION */
+ buffer[SPC_ASC_KEY_OFFSET] = 0x1d;
+ buffer[SPC_ASCQ_KEY_OFFSET] = 0x00;
+ break;
case TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE:
default:
/* CURRENT ERROR */
diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h
index 6892b33..3313b7d 100644
--- a/include/target/target_core_base.h
+++ b/include/target/target_core_base.h
@@ -197,6 +197,7 @@ enum tcm_sense_reason_table {
TCM_ADDRESS_OUT_OF_RANGE = R(0x11),
TCM_OUT_OF_RESOURCES = R(0x12),
TCM_PARAMETER_LIST_LENGTH_ERROR = R(0x13),
+ TCM_MISCOMPARE_VERIFY = R(0x14),
#undef R
};