From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Nicholas A. Bellinger" Subject: [PATCH 4/9] target: Add TCM_MISCOMPARE_VERIFY sense handling Date: Tue, 20 Aug 2013 20:07:55 +0000 Message-ID: <1377029280-19144-5-git-send-email-nab@daterainc.com> References: <1377029280-19144-1-git-send-email-nab@daterainc.com> Return-path: In-Reply-To: <1377029280-19144-1-git-send-email-nab@daterainc.com> Sender: linux-kernel-owner@vger.kernel.org To: target-devel Cc: lkml , linux-scsi , Christoph Hellwig , Hannes Reinecke , Martin Petersen , Chris Mason , James Bottomley , Nicholas Bellinger , Nicholas Bellinger List-Id: linux-scsi@vger.kernel.org From: Nicholas Bellinger 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 Cc: Hannes Reinecke Cc: Martin Petersen Cc: Chris Mason Cc: James Bottomley Cc: Nicholas Bellinger Signed-off-by: Nicholas Bellinger --- drivers/target/target_core_transport.c | 9 +++++++++ include/target/target_core_base.h | 1 + 2 files changed, 10 insertions(+) diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index 5746d85..f7dc479 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -2844,6 +2844,15 @@ 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 6e946f3..fac25c5 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 }; -- 1.7.10.4