Seagate 15K.3 ST373453FC Model Product Manual PDF - Page 53

Cheetah 15K.3 FC Product Manual, Rev. D, Fibre Channel fabric accept login

Page 53 highlights

Cheetah 15K.3 FC Product Manual, Rev. D 43 9.1.9 Fibre Channel fabric accept login Table 11 lists the required content of the Fabric Login Accept (ACC) payload from the fabric. Table 12: Fabric Login Accept (ACC) payload Bytes 0-15 02 00 00 00 09 09 BB BB CF XX FS FS R_ A_ T0 V_ Common 16-31 E_ D_ T0 V_ PN PN PN PN PN PN PN PN NN NN NN NN 32-35 NN NN NN NN 36-47 XX XX XX XX XX XX XX XX XX XX XX XX Class 1 48-51 XX XX XX XX 52-63 XX XX XX XX XX XX XX XX XX XX XX XX Class 2 64-67 XX XX XX XX 68-79 SO SO xx xx XX XX FS FS XX xx XX XX Class 3 80-83 OS OS XX XX 84-95 XX XX XX XX XX XX XX XX XX XX XX XX Reserved 96-99 XX XX XX XX 100-111 XX XX XX XX XX XX XX XX XX XX XX XX Vendor - 112-115 XX XX XX XX Version X Indicates a four-bit (hex) field is not checked. x Indicates a single bit is not checked. BB BB-Credit. This field is not checked. The FC-AL drive uses BB-Credit of zero (0). CF Common features. This binary field selects the common features requested by the fabric login. MSB Continuously increasing offset x Random relative offset x Valid version level x N_Port/F_Port Must = 1, F_Port Alternate credit model Must = 1 Other bits reserved xxx XX FS Receive buffer field size. The FS field in the common and Class 3 parameters is checked for the range 128 < FS < 2,112 and a multiple of four bytes. The receive buffer field size in the Class 3 parameters is used. The drive uses the lower FS of Fabric Login Accept or N_Port Login when sending frames to an initiator. PN Port Name. The fabric port name is saved with the login parameters. If a change of the port name is detected during a FAN, an implicit logout occurs and a LS_RJT is returned to the fabric. NN Node Name. The drive does not check or save the node name. SO Service Options-Class 3 only. MSB Class valid Must = 1 Intermix x Stacked connection req. xx Sequential delivery Must = 1 Other bits reserved xxx XX

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Cheetah 15K.3 FC Product Manual, Rev. D
43
9.1.9
Fibre Channel fabric accept login
Table 11 lists the required content of the Fabric Login Accept (ACC) payload from the fabric.
Table 12:
Fabric Login Accept (ACC) payload
Bytes
0-15
02
00
00
00
09
09
BB
BB
CF
XX
FS
FS
R_
A_
T0
V_
Common
16-31
E_
D_
T0
V_
PN
PN
PN
PN
PN
PN
PN
PN
NN
NN
NN
NN
32-35
NN
NN
NN
NN
36-47
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
Class 1
48-51
XX
XX
XX
XX
52-63
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
Class 2
64-67
XX
XX
XX
XX
68-79
SO
SO
xx
xx
XX
XX
FS
FS
XX
xx
XX
XX
Class 3
80-83
OS
OS
XX
XX
84-95
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
Reserved
96-99
XX
XX
XX
XX
100-111
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
Vendor -
112-115
XX
XX
XX
XX
Version
X
Indicates a four-bit (hex) field is not checked.
x
Indicates a single bit is not checked.
BB
BB-Credit. This field is not checked. The FC-AL drive uses BB-Credit of zero (0).
CF
Common features. This binary field selects the common features requested by the fabric login.
MSB
Continuously increasing offset
x
Random relative offset
x
Valid version level
x
N_Port/F_Port
Must = 1, F_Port
Alternate credit model
Must = 1
Other bits reserved
xxx XX
FS
Receive buffer field size. The FS field in the common and Class 3 parameters is checked for the range 128 < FS < 2,112 and a
multiple of four bytes. The receive buffer field size in the Class 3 parameters is used. The drive uses the lower FS of Fabric Login
Accept or N_Port Login when sending frames to an initiator.
PN
Port Name. The fabric port name is saved with the login parameters. If a change of the port name is detected during a FAN, an
implicit logout occurs and a LS_RJT is returned to the fabric.
NN
Node Name. The drive does not check or save the node name.
SO
Service Options—Class 3 only.
MSB
Class valid
Must = 1
Intermix
x
Stacked connection req.
xx
Sequential delivery
Must = 1
Other bits reserved
xxx XX