System Management

Table 2. RH Channel Alert Destinations

Destination #

Description

 

 

0x00

RESERVED

 

 

0x01

RH_CHAN_SET_ALL_MC_FD (Sets CIC Fault Detection Lines)

 

 

0x02

RH_CHAN_CLEAR_ALL_MC_FD (Clears CIC Fault Detection Lines)

 

 

The RH channel acts as a virtual channel that can respond to Alert Actions. This channel supports IPMI commands like Alert Immediate:

In the Alert Policy Table: Create an entry with a unique policy number, channel specified as RH, destination specified as RH_CHAN_SET_ALL_MC_FD.

In the Platform Event Filter Table: Create an entry with the Alert action selected, Alert Policy Number defined as above, and the data mask specified based on the sensor thresholds to be triggered.

4.2.3IPMI RH Channel Commands

The following RH commands are present in the ZT 5524 processor board BMC firmware. These are accessible only by sending the selected command/net function to the RH channel (0x05)

4.2.3.1RH Channel Enabled

This IPMI command returns whether the board has RH features enabled or not. Conditions for non- RH operation are: No IOX presence or the board is in a non-RH capable slot. Standard IPMI completion codes are returned.

IPMI Command: RH_CHAN_ENABLED (0x00)

Net Function: INTEL_RH_SPECIFIC_REQUEST (0x36)

ByteData Fields

Request

-

-

 

 

 

 

 

 

Response

1

Completion Code

 

 

 

 

 

 

 

2

1h

=

RSS

enabled

 

 

0h

=

RSS

disabled

 

 

 

 

 

 

4.2.3.2RH Channel Get RH BMC Address

This command gets the IPMB 1 address of the redundant host’s BMC. Standard IPMI completion codes are returned.

IPMI Command: RH_CHAN_GET_RH_BMC_ADDR (0x05)

Net Function: INTEL_RH_SPECIFIC_REQUEST (0x36)

ByteData Fields

28

High Availability Software for the Intel® NetStructureTM ZT 4901 Technical Product Specification

Page 28
Image 28
Intel ZT 4901 manual Ipmi RH Channel Commands, RH Channel Enabled, RH Channel Get RH BMC Address