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Field definitions (listed alphabetically)
Table
number
DF_CTL (Data Field Control)
84
00h
Indicates no optional Fibre Channel headers are used.
D_ID (Destination Identifier)
84
The address of the initiator that originated the command.
F_CTL (Frame Control)
84
Set to 990000h for FCP RSP frames. This indicates the frame is sent by the responder of the exchange, not the originator,
the frame is the last frame of the sequence (FCP RSP is a single frame sequence for this drive), and the sequence is the
last for the Fibre Channel exchange.
OX_ID (Originator Exchange Identifier)
84
The value assigned by the initiator in the FCP CMND. The OX_ID field uniquely identifies each command between the initi-
ator and the drive.
Parameter
84
Not used for the FCP RSP.
R_CTL (Routing Control)
84
Set to Command Status for the FCP RSP frame.
RX_ID (Responder Identifier)
84
Not used by the drive. The value of FFFFh indicates the RX_ID is not being used.
SEQ_CNT (Sequence Count)
84
Set to 0000h to indicate this the first frame of the Fibre Channel sequence. The FCP RSP is a single frame sequence.
SEQ_ID (Sequence Identifier)
84
Set to FFh by the drive.
S_ID (Source Identifier)
84
The address of the drive.
Type
84
08h
The value for all SCSI FCP frames.
Fibre Channel Interface Manual, Rev. D
141
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