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 Table3-16.

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 Table3-17.

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=
0Reserved = 0
2 ISO version = 0 ECMA version = 0 ANSI version = 3
3 AERC
=0 TrmTsk=
0NormAC
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=
0Linked=
0Trandis=
0CmdQu
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