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| author | Anastasia Kovaleva <a.kovaleva@yadro.com> | 2020-12-03 09:20:35 +0100 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2021-01-27 05:12:18 +0100 |
| commit | ead0ffc95a89b6b2c276702ee7b5a2b9bb445dfe (patch) | |
| tree | acb88b436575d2d1d1d0da572d1058d8e6590c1b /include/target | |
| parent | scsi: target: core: Signal WRITE residuals (diff) | |
| download | linux-ead0ffc95a89b6b2c276702ee7b5a2b9bb445dfe.tar.xz linux-ead0ffc95a89b6b2c276702ee7b5a2b9bb445dfe.zip | |
scsi: target: core: Change ASCQ for residual write
According to FCP-4 (9.4.2):
If the command requested that data beyond the length specified by the
FCP_DL field be transferred, then the device server shall set the
FCP_RESID_OVER bit (see 9.5.8) to one in the FCP_RSP IU and:
a) process the command normally except that data beyond the FCP_DL count
shall not be requested or transferred;
b) transfer no data and return CHECK CONDITION status with the sense key
set to ILLEGAL REQUEST and the additional sense code set to INVALID FIELD
IN COMMAND INFORMATION UNIT; or
c) may transfer data and return CHECK CONDITION status with the sense key
set to ABORTED COMMAND and the additional sense code set to INVALID FIELD
IN COMMAND INFORMATION UNIT.
TCM follows b) and transfers no data for residual writes but returns
INVALID FIELD IN CDB instead of INVALID FIELD IN COMMAND INFORMATION UNIT.
Change the ASCQ to INVALID FIELD IN COMMAND INFORMATION UNIT to meet the
standard.
Link: https://lore.kernel.org/r/20201203082035.54566-4-a.kovaleva@yadro.com
Signed-off-by: Anastasia Kovaleva <a.kovaleva@yadro.com>
Signed-off-by: Roman Bolshakov <r.bolshakov@yadro.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'include/target')
| -rw-r--r-- | include/target/target_core_base.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h index 63dd12124139..54dcc0eb25fa 100644 --- a/include/target/target_core_base.h +++ b/include/target/target_core_base.h @@ -187,6 +187,7 @@ enum tcm_sense_reason_table { TCM_UNSUPPORTED_SEGMENT_DESC_TYPE_CODE = R(0x1c), TCM_INSUFFICIENT_REGISTRATION_RESOURCES = R(0x1d), TCM_LUN_BUSY = R(0x1e), + TCM_INVALID_FIELD_IN_COMMAND_IU = R(0x1f), #undef R }; |