FCP and SES Commands

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Report LUNs
An SES Application Client sends a Report LUNs command to obtain the number of logical

units (each is a switch in SCSI impersonation) in the Fabric. The CDB format is shown in

Table3-23.

The SESD reports the LUNs of associated switches with the format shown in Table3-24.

Request Sense
An SES Application Client sends a Request Sense command to obtain sense data. The CDB

format is shown in Table3-25.

The SESD returns a sense key of NO SENSE and an additional sense code of NO ADDITIONAL

SENSE INFORMATION.

Table 3-23 Report LUNs Command Format
Byte/Bit 7 6 5 4 3 2 1 0
0 Operation Code = A0h
1 .. 5 Reserved
6 .. 9 Allocation Length
10 Reserved
11 Control = 0
Table 3-24 Reported LUNs Format
Byte/Bit 7 6 5 4 3 2 1 0
0 .. 3 LUN list length (
n
-7)
4 .. 7 Reserved
8 .. 15 LUN
.. ..
(
n
-7)..
n
LUN
Table 3-25 Request Sense Command Format
Byte/Bit 7 6 5 4 3 2 1 0
0 Operation Code = 03h
1 .. 3 Reserved
4 Allocation length
5 Control = 0