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Commit fcc4f17b authored by Nicholas Bellinger's avatar Nicholas Bellinger
Browse files

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: default avatarNicholas Bellinger <nab@linux-iscsi.org>
parent ce65e5b9

drivers/target/target_core_transport.c

+30 −0
Original line number Diff line number Diff line
@@ -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 */

include/target/target_core_base.h

+3 −0
Original line number Diff line number Diff line
@@ -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

};