32 report supported operation codes (a3/0c), Report supported operation codes (a3/0c) – Hitachi ULTRASTAR 15K450 HUS154530VLF400 User Manual
Page 267
Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification
251
19.32 REPORT SUPPORTED OPERATION CODES (A3/0C)
The REPORT SUPPORTED OPERATION CODES command requests information on commands that the drive supports.
The initiator may request a list of all operation codes and service actions supported, or the command support data for a specific
command.
Reporting Options specifies the information to be returned in the parameter data.
Requested Operation Code specifies the operation code of the command to be returned in the one_command parameter data
format.
Requested Service Action specifies the service action of the command to be returned in the one_command parameter data
format.
Byte
Bit
7
6
5
4
3
2
1
0
0
Command Code = A3h
1
Reserved = 0
Service Action = 0Ch
2
Reserved = 0
Reporting Options
3
Requested Operation Code
4-5
Requested Service Action
6-9
Allocation Length
10
Reserved = 0
11
VU = 0
Reserved = 0
FLAG
LINK
Reporting Options
Description
000b
A list of all operation codes and service actions supported by the drive will be returned
in the all_commands parameter data format. The Requested Operation Code field and
Requested Service Action field will be ignored.
001b
The command support data for the operation code specified in the Requested Operation
Code field will be returned in the one_command parameter data format. The Requested
Service Action field will be ignored. If the Requested Operation Code field specifies an
operation code that has service actions, Check Condition status will be reported with a
sense key of Illegal Request and additional sense code of Invalid Field in CDB.
010b
The command support data for the operation code and service action specified in the
Requested Operation Code field and Requested Service Action field will be returned in
the one_command parameter data format. If the Requested Operation Code field speci-
fies an operation code that does not have service actions, Check Condition status will be
reported with a sense key of Illegal Request and additional sense code of Invalid Field in
CDB.
011b-111b
Reserved