1.7.1.2 Common Service Parameter - Fujitsu MAA3182FC Series Manual

1.7.1.2 Common Service Parameter

5 4
bit 7 6
WD Byte
1 0 FC-PH Version (High)
= h '20'
FC-PH Version (Low)
1
= h '20'
2 (MSB)
Buffer-to-Buffer Credit
3 no-check
Common features (Word 2/Byte 0-1)
2 0 Contin Random Valid N_Port/
Increasing Relative Vendor F_Port
Offset Offset Version
Ignorance
=1 =0 (=0) =0
1 h '00'Reserved
Buffer-to-Buffer Rcv Data Field Size (Word 2/Byte 2-3)
2 0 0 0 0
Reserved Reserved Reserved Reserved
256 ≤ Field size ≤ Check if the field size is a multiple of 4 byte in 2112.
3
3 0 h '00' Reserved
1 Total Concullent Sequences
≠ 0
2 (MSB)
Relative Offset by Information Category
3 =h'0002'/no-check
4 0 (MSB)
1
Point to Point
E_D_TOV
2
=h'000007D0' (1ms × 2000=2sec)/no-check
3
1 - 36
(1) Highest version supported [PL:W01/B0]
3 2 1 0
(LSB)
Alternate 0 0 0
BB Credit Reserved Reserved Reserved
Management
(2) Lowest version supported [PL:W01/B1]
=1
(MSB)
(LSB)
(LSB)
(3) Buffer-to-buffer Credit [PL:W01/B2-3]
(LSB)
(4) Common features [PL:W02/B0-1]
C141-E054-02EN
Latest version number of FC-PH supported by
the device.
09h: Denotes FC-PH version 4.3.
•
The drive responds with LS_RJT (03h,
0Fh) when (this field) < 09h.
•
For ACC, the drive responds with 09h.
Lowest version number of FC-PH supported by
the devic e.
09h: Denotes FC-PH version 4.3.
•
The drive responds with LS_RJT (03h,
0Fh) when (this field) < 09h.
•
For ACC, the drive responds with 09h.
•
The drive does not check this field and
operates assuming that Buffer to buffer
Credit is zero.
•
For ACC, the drive responds with 0000h.
a) 1b:Continuously
[B0/bit7]
•
The drive responds with LS_RJT (03h,
0Fh) when (this bit) = 0b.
•
For ACC, the drive responds with 1b.
b) 0b: Random Relative Offset [B0/bit6]
•
The drive does not check this bit and
does not support this function.
•
For ACC, the drive responds with 0b.
c) 0b: Valid Vendor Version [B0/bit5]
•
The drive does not check this bit and
does not support this function.
•
For ACC, the drive responds with 0b.
d) 0b: N_Port/F_Port [B0/bit4]
•
The drive responds with LS_RJT (03h,
0Fh) when (this bit) = 1.
•
For ACC, the drive responds with 0b.
e) 1b: Alternate BB_Credit Management
[B0/bit3]
Increasing Offset