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target: Add DIF CHECK_CONDITION ASC/ASCQ exception cases 

This patch adds support for DIF related CHECK_CONDITION ASC/ASCQ
exception cases into transport_send_check_condition_and_sense().

This includes:

  LOGICAL BLOCK GUARD CHECK FAILED
  LOGICAL BLOCK APPLICATION TAG CHECK FAILED
  LOGICAL BLOCK REFERENCE TAG CHECK FAILED

that used by DIF TYPE1 and TYPE3 failure cases.

Cc: Martin K. Petersen <martin.petersen@oracle.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Hannes Reinecke <hare@suse.de>
Cc: Sagi Grimberg <sagig@mellanox.com>
Cc: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
This commit is contained in:
Nicholas Bellinger 2014-01-07 23:39:33 +00:00
parent ce65e5b97b
commit fcc4f17b9c
2 changed files with 33 additions and 0 deletions
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30
drivers/target/target_core_transport.c
View File

@ -2674,6 +2674,36 @@ transport_send_check_condition_and_sense(struct se_cmd *cmd,
buffer[SPC_ASC_KEY_OFFSET] = 0x1d;
buffer[SPC_ASCQ_KEY_OFFSET] = 0x00;
break;
case TCM_LOGICAL_BLOCK_GUARD_CHECK_FAILED:
/* CURRENT ERROR */
buffer[0] = 0x70;
buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
/* ILLEGAL REQUEST */
buffer[SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
/* LOGICAL BLOCK GUARD CHECK FAILED */
buffer[SPC_ASC_KEY_OFFSET] = 0x10;
buffer[SPC_ASCQ_KEY_OFFSET] = 0x01;
break;
case TCM_LOGICAL_BLOCK_APP_TAG_CHECK_FAILED:
/* CURRENT ERROR */
buffer[0] = 0x70;
buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
/* ILLEGAL REQUEST */
buffer[SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
/* LOGICAL BLOCK APPLICATION TAG CHECK FAILED */
buffer[SPC_ASC_KEY_OFFSET] = 0x10;
buffer[SPC_ASCQ_KEY_OFFSET] = 0x02;
break;
case TCM_LOGICAL_BLOCK_REF_TAG_CHECK_FAILED:
/* CURRENT ERROR */
buffer[0] = 0x70;
buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
/* ILLEGAL REQUEST */
buffer[SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
/* LOGICAL BLOCK REFERENCE TAG CHECK FAILED */
buffer[SPC_ASC_KEY_OFFSET] = 0x10;
buffer[SPC_ASCQ_KEY_OFFSET] = 0x03;
break;
case TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE:
default:
/* CURRENT ERROR */

3
include/target/target_core_base.h
View File

@ -205,6 +205,9 @@ enum tcm_sense_reason_table {
TCM_OUT_OF_RESOURCES = R(0x12),
TCM_PARAMETER_LIST_LENGTH_ERROR = R(0x13),
TCM_MISCOMPARE_VERIFY = R(0x14),
TCM_LOGICAL_BLOCK_GUARD_CHECK_FAILED = R(0x15),
TCM_LOGICAL_BLOCK_APP_TAG_CHECK_FAILED = R(0x16),
TCM_LOGICAL_BLOCK_REF_TAG_CHECK_FAILED = R(0x17),
#undef R
};