User Manual

SCSI Commands Reference Manual, Rev. J 76
www.seagate.com Direct Access Block commands (SPC-5 and SBC-4)
3.3.3 Parameter list header
The parameter list headers (see table 39 and table 40) provide several optional format control parameters. Device servers that
implement these headers provide the application client additional control over the use of the four defect sources, and the
format operation. If the application client attempts to select any function not implemented by the device server, the device
server shall terminate the command with CHECK CONDITION status with the sense key set to ILLEGAL REQUEST and the
additional sense code set to INVALID FIELD IN PARAMETER LIST.
The short parameter list header (see table 39) is used if the LONGLIST bit is set to zero in the FORMAT UNIT CDB.
The long parameter list header (see table 40) is used if the LONGLIST bit is set to one in the FORMAT UNIT CDB.
The PROTECTION FIELD USAGE field in combination with the FMTPINFO field (see table 41) specifies the requested protection
type (see SBC-4).
Table 39 Short parameter list header
Bit
Byte
7 6 5 4 3 2 1 0
0
Reserved
PROTECTION FIELDS USAGE
1
FOV DPRY DCRT STPF IP Obsolete IMMED
Vendor
specific
2
(MSB)
DEFECT LIST LENGTH
3
(LSB)
Table 40 Long parameter list header
Bit
Byte
7 6 5 4 3 2 1 0
0
Reserved
PROTECTION FIELDS USAGE
1
FOV DPRY DCRT STPF IP Obsolete IMMED
Vendor
specific
2
Reserved
3
P_I_INFORMATION PROTECTION INTERVAL EXPONENT
4
(MSB)
DEFECT LIST LENGTH
. . .
7
(LSB)