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Fibre Channel Interface Manual, Rev. D 137
11.4 FCP DATA
The payload of FCP DATA frames transfer the user data associated with a command.
FCP DATA format
Note: EOFt is used on the last
frame of a sequence. Single
frame sequences end with an
EOFt. All other FCP DATA
frames use EOFn.
SOFi3
Frame Header
Payload (Data)
CRC
EOFn or EOFt
Table 82: FCP DATA frame header
Bit
Byte
76543210
000000001
R_CTL
1 (MSB)
2D_ID
3 (LSB)
400000000
Reserved
5 (MSB)
6S_ID
7 (LSB)
800001000
Type
9 (MSB)
10 F_CTL
11 (LSB)
12
SEQ_ID
1300000000
DF_CTL
14 (MSB)
SEQ_CNT
15 (LSB)
16 (MSB)
OX_ID
17 (LSB)
1811111111
1911111111
RX_ID
20 (MSB)
RO
21
22
23 (LSB)