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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