Sun Oracle Storage Tek T10000, Reference Manual

Page: 197 / 296

E20425-01 • Chapter 4 Commands 179
Report Supported Operation Codes Command
Table 136. Command Descriptor Format
Byte Bit
7 6 5 4 3 2 1 0
0 Operation Code
1 Reserved
2
thru
3
(MSB)
Service Action
(LSB)
4 Reserved
5 Reserved CTDP SERV
ACTV
6
thru
7
(MSB)
CDB Length
(LSB)
8
thru
19
(MSB) Command Timeouts Descriptor
(see Table 138 on page 182 )
(LSB)
Parameter Value
Service Action Contains a supported service action for the operation code. If the
operation code does not have a service action, this field is set to 00h.
CTDP: Command Timeouts
Descriptor Present
Command Timeouts Descriptor Present
0 = Indicates that the command timeouts descriptor is not included in
this command descriptor
1 = Indicates that the command timeouts descriptor

(see Table 138 ) is included in this command descriptor
SERVACTV: Service Action
Valid
Service Action Valid
0 = Indicates the operation code does not have service actions and
the Service Action field contents are reserved
1 = Indicates the operation code has service actions and the contents
of the Service Action field are valid
CDB Length: Command
Data Block Length
Command Data Block Length
Contains the length of the command CDB in bytes for the operation
code, and if the SERVACTV bit is set, for the Service Action.