Report Node Capabilities (Rnc) - Seagate 77767496 Product Manual

9.2.11

Report Node Capabilities (RNC)

Report Node Capabilities (RNC) is sent to a target node to request that the node report on its capabilities. The
node does this by returning a list of specifications and the supported revision level of the specification.
Table 51: RNC Payload
Bit
7
Byte
LS Command Code
0
Reserved
1
(MSB)
2
3
RNC Flags
4
Reserved
5
Reserved
6
VU Information Length
7
8
.
Vendor Identifier - RNC Accept Payload only
.
15
Capability Entries
16
Field definitions (listed alphabetically)
Table
number
Capability Entries
51
There may be from zero to n number of capability entries (see the table below for the format of capability entries). The limit
is that the payload length can not be greater than 256 bytes.
Table 52: Capability Entries
Bit
7
Byte
Flags
0
Document Identifier
1
Low Revision - RNC Accept Payload only
2
High Revision - RNC Accept Payload only
3
Document Identifier
52
This number identifies the document. Valid document numbers range from:
01h through 05h
10h through 13h, and
20h through 27h
Flags
52
Bit 7 = 0 - report on this capability.
Bit 7 = 1 - Invalidate this capability selection.
Bit 6 = 1 - There is an extension on the capability entry. This is not supported. This bit must = 0.
94
6 5
6 5
4 3
Payload Length
4 3
Fibre Channel Interface Manual, Rev. D
2 1
(LSB)
2 1
0
0