StorageTek StorageNet 4000, Руководство пользователя

Страница: 31 / 45

FCP and SES Commands
8946121402 3-11
Inquiry
An SES Application Client may send an
Inquiry
command to obtain information about a
switch in the Fabric. The format of the
FCP_CDB
is shown in Table 3-16 .
If the field, EVPD (Enable Vital Product Data) is set to 0 and the value of the page code is 0,
the standard Inquiry Data is returned as shown in
Table 3-17 .
Table 3-16 Inquiry Command Format
Byte/Bit 7 6 5 4 3 2 1 0
0 Operation Code = 12h
1 Reserved CmdDt=0 EVPD=0
2 Page Code = 0
3 Reserved
4 Allocation Length
5 Control = 0
Table 3-17 Inquiry Data Format
Byte/Bit 7 6 5 4 3 2 1 0
0 Peripheral Qualifier = 0 Peripheral Device Type = 0Dh
1 RMB=
0 Reserved = 0
2 ISO version = 0 ECMA version = 0 ANSI version = 3
3 AERC
=0 TrmTsk=
0 NormAC
A=1 Reserv
ed=0 Response data format = 2
4 Additional Length = 31 (1Fh)
5 Reserved
7 Reser
ved EncServ
=1Bh VS = 0 MultiP
=1Bh MChngr
=0 ACKREQ
Q=0 Addr32
=0 Addr16
=0
7 RelAdr
=0 WBus32
=0 Wbus16
=0 Sync=
0 Linked=
0 Trandis=
0 CmdQu
e=0 VS=0
8 ..15 Vendor identification = ”STORAGETEK”
16. 31 Product identification = “Switch”
32. 35 Product revision level = “v{ N}.{m}{p”” (where {N} is a single number designating the major
release number, {m} is a single number designating the minor release number), and {p}
is a single alpha character designating a patch. There may be a space indicating there’s
no patch. For example, v1.5a