Datasheet

Fibre Channel Interface
1-80 C141-C008
1.9 FC-4 Device Data
FC-4 Device Data indicates supported by this drive.
1.9.1 FCP CMND
The initiator issues FCP_CMND frame when it issues SCSI_Command.
The header field of the FCP CMND is defined in Figure 1.46.
Byte 0 1 2 3
SOF
Header 0 R_CTL D_ID
06 xx xx xx
1 S_ID
00 XX XX XX
2 TYPE F_CTL
08 29 00 00
3 SEQ_ID DF_CTL SEQ_CNT
xx 00 00 00
4 OX_ID RX_ID
xx xx FF FF
5 PARAMETER
00 00 00 00
Payload 0 FCP_LUN
1
2
FCP_CNTL
3
4
5
6
FCP_CDB
7
n
ADDITIONAL_FCP_CDB
n+1 FCP_DL
Figure 1.46 Header field of the FCP CMND
(1) R_CTL.. (Routing Control)
06h: Indicates FCP CMND
(2) D_ID.. (Destination Identifier)
− Destination address for the frame.
(3) S_ID.. (Source Identifier)
− Source address for the frame.