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authorRoland Dreier <roland@purestorage.com>2012-07-16 15:34:21 -0700
committerNicholas Bellinger <nab@linux-iscsi.org>2012-07-16 17:35:35 -0700
commite2397c704429025bc6b331a970f699e52f34283e (patch)
tree470157d2f9a66ca40b295b9aa16c4fdf2222f15c /drivers
parentc8045372dd2d4784bc4cb32ddc27f4b88ff2140c (diff)
downloadop-kernel-dev-e2397c704429025bc6b331a970f699e52f34283e.zip
op-kernel-dev-e2397c704429025bc6b331a970f699e52f34283e.tar.gz
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: Roland Dreier <roland@purestorage.com> Cc: stable@vger.kernel.org Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/target/target_core_transport.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index 357bb24..14e54b4 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -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;
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