HP Moonshot 1500 Chassis User Manual Page 116

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Get SEL entry command
Use this command to retrieve entries from the SEL. The record data field in the response returns the
16 bytes of data from the SEL event record.
Table 77 Get sel entry request data
Data field
Request data
byte number
Reservation id, LS byte first. Only required for partial get. Use 0000h otherwise.
1
1:2
SEL record id, LS byte first.3:4
0000h = get first entry
FFFFh — get last entry
Offset into record5
Bytes to read. FFh means read entire record.6
1
The reservation id should be set to 0000h for implementations that don’t implement the reserve sel command.
Table 78 Get set entry response data
Data field
Response data
byte number
Completion code. Return an error completion code if the SEL is empty. 81h = cannot execute
command, SEL erase in progress.
1
Next SEL record id, LS byte first (return FFFFh if the record returned is the last record.) FFFFh is not
a valid record id.
2:3
Record data, 16 bytes for entire record.4:N
Add SEL entry command
This command enables the BIOS to add records to the system event log. Normally, the SEL device
and the event receiver device are incorporated into the same management controller. In this case,
the BIOS or the system SMI handler adds its own events to the SEL by formatting an event message
and transmitting it to the SEL device instead of using this command.
Records are added after the last record in the SEL. The SEL device adds the timestamp according
to the SEL record type when it creates the record. In some cases, the timestamp bytes in the record
data are ignored, there are still dummy timestamp bytes present in the data.
The record data field is passed in the request consists of all bytes of the SEL event record. The
record id field that is passed in the request is just a placeholder. The record id field that was passed
in the request is overwritten with a record id value that the SEL device generates before the record
is stored. Depending on the record type, the entry may also be automatically timestamped. If the
entry is automatically timestamped, the SEL device also overwrites the four bytes of the records
timestamp field.
NOTE: The normal mechanism for adding entries to the SEL is by an event request message to
the event receiver device.
Table 79 Add SEL entry request data
Data field
Request data
byte number
Record data, 16 bytes1:16
116 Command specification
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