lkml.org 
[lkml]   [2014]   [Jan]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 02/14] target: Add DIF CHECK_CONDITION ASC/ASCQ exception cases
Date
From: Nicholas Bellinger <nab@linux-iscsi.org>

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>
---
drivers/target/target_core_transport.c | 30 ++++++++++++++++++++++++++++++
include/target/target_core_base.h | 3 +++
2 files changed, 33 insertions(+)

diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index 91953da..707ee17 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -2648,6 +2648,36 @@ 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 */
diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h
index 15f402c..9a6e091 100644
--- a/include/target/target_core_base.h
+++ b/include/target/target_core_base.h
@@ -206,6 +206,9 @@ 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
};

--
1.7.10.4


\
 
 \ /
  Last update: 2014-01-08 22:01    [W:0.427 / U:0.044 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site