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Commit e2397c70 authored by Roland Dreier's avatar Roland Dreier Committed by Nicholas Bellinger
Browse files

target: Add generation of LOGICAL BLOCK ADDRESS OUT OF RANGE 



Many SCSI commands are defined to return a CHECK CONDITION / ILLEGAL
REQUEST with ASC set to LOGICAL BLOCK ADDRESS OUT OF RANGE if the
initiator sends a command that accesses a too-big LBA.  Add an enum
value and case entries so that target code can return this status.

Signed-off-by: default avatarRoland Dreier <roland@purestorage.com>
Cc: stable@vger.kernel.org
Signed-off-by: default avatarNicholas Bellinger <nab@linux-iscsi.org>
parent c8045372

drivers/target/target_core_transport.c

+10 −0
Original line number Diff line number Diff line
@@ -1640,6 +1640,7 @@ void transport_generic_request_failure(struct se_cmd *cmd) 
	case TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE:

	case TCM_UNKNOWN_MODE_PAGE:

	case TCM_WRITE_PROTECTED:

	case TCM_ADDRESS_OUT_OF_RANGE:

	case TCM_CHECK_CONDITION_ABORT_CMD:

	case TCM_CHECK_CONDITION_UNIT_ATTENTION:

	case TCM_CHECK_CONDITION_NOT_READY:
@@ -2967,6 +2968,15 @@ int transport_send_check_condition_and_sense( 
		/* WRITE PROTECTED */

		buffer[offset+SPC_ASC_KEY_OFFSET] = 0x27;

		break;

	case TCM_ADDRESS_OUT_OF_RANGE:

		/* CURRENT ERROR */

		buffer[offset] = 0x70;

		buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10;

		/* ILLEGAL REQUEST */

		buffer[offset+SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;

		/* LOGICAL BLOCK ADDRESS OUT OF RANGE */

		buffer[offset+SPC_ASC_KEY_OFFSET] = 0x21;

		break;

	case TCM_CHECK_CONDITION_UNIT_ATTENTION:

		/* CURRENT ERROR */

		buffer[offset] = 0x70;

include/target/target_core_base.h

+1 −0
Original line number Diff line number Diff line
@@ -212,6 +212,7 @@ enum tcm_sense_reason_table { 
	TCM_CHECK_CONDITION_UNIT_ATTENTION	= 0x0e,

	TCM_CHECK_CONDITION_NOT_READY		= 0x0f,

	TCM_RESERVATION_CONFLICT		= 0x10,

	TCM_ADDRESS_OUT_OF_RANGE		= 0x11,

};



enum target_sc_flags_table {