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target: Add generation of LOGICAL BLOCK ADDRESS OUT OF RANGE

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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: Roland Dreier <roland@purestorage.com>
Cc: stable@vger.kernel.org
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
This commit is contained in:
Roland Dreier 2012-07-16 15:34:21 -07:00 committed by Nicholas Bellinger
parent c8045372dd
commit e2397c7044
2 changed files with 11 additions and 0 deletions
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10
drivers/target/target_core_transport.c
View file

@ -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;

1
include/target/target_core_base.h
View file

@ -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 {