User Manual

SCSI Commands Reference Manual, Rev. J 281
www.seagate.com Direct Access Block commands (SPC-5 and SBC-4)
3.77 WRITE STREAM (32) command
The WRITE STREAM (32) command (see table 240) requests that the device server perform the actions defined for the WRITE (32) command
(see 3.63).
OPERATION CODE, ADDITIONAL CDB LENGTH, and SERVICE ACTION fields
The OPERATION CODE field, the ADDITIONAL CDB LENGTH field, and the SERVICE ACTION field are defined in 2.2 and shall be set to the values
shown in table 241 for the WRITE STREAM (32) command.
See the WRITE STREAM (16) command (see 3.76) for the definition of the STR_ID field.
See the WRITE (32) command (see 3.63) for the definitions of the other fields in this command.
Table 241 WRITE STREAM (32) command
Bit
Byte
7 6 5 4 3 2 1 0
0
OPERATION CODE (7Fh)
1
CONTROL
2
Reserved
3
4
(MSB)
STR_ID
5
(LSB)
6
Reserved GROUP NUMBER
7
ADDITIONAL CDB LENGTH (18h)
8
(MSB)
SERVICE ACTION (0010h)
9
(LSB)
10
WRPROTECT DPO FUA
Reserved
11
Reserved
12
(MSB)
LOGICAL BLOCK ADDRESS
. . .
19
(LSB)
20
(MSB)
EXPECTED INITIAL LOGICAL BLOCK REFERENCE TAG
. . .
23
(LSB)
24
(MSB)
EXPECTED LOGICAL BLOCK APPLICATION TAG
25
(LSB)
26
(MSB)
LOGICAL BLOCK APPLICATION TAG MASK
27
(LSB)
28
(MSB)
TRANSFER LENGTH
. . .
31
(LSB)