From fcc4f17b9ce931c93ce08f8cf27d6bd010f0b1ef Mon Sep 17 00:00:00 2001 From: Nicholas Bellinger Date: Tue, 7 Jan 2014 23:39:33 +0000 Subject: [PATCH] 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 Cc: Christoph Hellwig Cc: Hannes Reinecke Cc: Sagi Grimberg Cc: Or Gerlitz Signed-off-by: Nicholas Bellinger --- 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 18c828d..fa4fc04 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -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 */ diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h index d98048b..0336d70 100644 --- a/include/target/target_core_base.h +++ b/include/target/target_core_base.h @@ -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 }; -- 2.7.4