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target: Add TCM_MISCOMPARE_VERIFY sense handling

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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>
This commit is contained in:
Nicholas Bellinger 2013-08-19 15:10:38 -07:00 committed by Nicholas Bellinger
parent a6b0133c19
commit 818b571ca0
2 changed files with 10 additions and 0 deletions
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9
drivers/target/target_core_transport.c
View file

@ -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 */

1
include/target/target_core_base.h
View file

@ -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
};