>-----Original Message-----
>From: Markus Armbruster <[email protected]>
>Sent: 06 August 2025 08:58
>To: shiju.jose--- via <[email protected]>
>Cc: [email protected]; Jonathan Cameron
><[email protected]>; [email protected]; [email protected];
>Shiju Jose <[email protected]>; Linuxarm <[email protected]>
>Subject: Re: [PATCH qemu v4 2/7] hw/cxl/events: Updates for rev3.2 general
>media event record
>
>shiju.jose--- via <[email protected]> writes:
>
>> From: Shiju Jose <[email protected]>
>>
>> CXL spec rev3.2 section 8.2.10.2.1.1 Table 8-57, general media event
>> table has updated with following new fields.
>> 1. Advanced Programmable Corrected Memory Error Threshold Event Flags
>> 2. Corrected Memory Error Count at Event 3. Memory Event Sub-Type 4.
>> Support for component ID in the PLDM format.
>>
>> Add updates for the above spec changes in the CXL general media event
>> reporting and QMP command to inject general media event.
>>
>> Signed-off-by: Jonathan Cameron <[email protected]>
>> Signed-off-by: Shiju Jose <[email protected]>
>
>[...]
>
>> diff --git a/qapi/cxl.json b/qapi/cxl.json index
>> c1fe8319c8..e8060d16f7 100644
>> --- a/qapi/cxl.json
>> +++ b/qapi/cxl.json
>> @@ -82,6 +82,19 @@
>> # @component-id: Device specific component identifier for the event.
>> # May describe a field replaceable sub-component of the device.
>> #
>> +# @is-comp-id-pldm: Flag represents device specific component identifier
>> +# format is PLDM or not.
>
>Awkward phrasing. Before I can suggest a better one, I have a question.
>The type is uint8, which isn't a flag. What are the possible values?
Thanks Markus for the comments.
'is-comp-id-pldm' is flag with possible values 0 and 1.
I will use type bool instead of uint8?
>
>> +#
>> +# @cme-ev-flags: Advanced programmable corrected memory error
>> +# threshold event flags.
>> +# See CXL r3.2 Table 8-57 General Media Event Record.
>
>The line break will not make it into generated HTML (it's all one wrapped
>paragraph).
>
>We commonly wrap like this:
Will fix.
>
> # @cme-ev-flags: Advanced programmable corrected memory error
> # threshold event flags. See CXL r3.2 Table 8-57 General Media
> # Event Record.
>
>If you want a line break in generated documentation, you need to start a new
>paragraph like this:
>
> # @cme-ev-flags: Advanced programmable corrected memory error
> # threshold event flags.
> #
> # See CXL r3.2 Table 8-57 General Media Event Record.
>
>Same below.
Will fix.
>
>> +#
>> +# @cme-count: Corrected memory error count at event.
>> +# See CXL r3.2 Table 8-57 General Media Event Record.
>> +#
>> +# @sub-type: Memory event sub-type.
>> +# See CXL r3.2 Table 8-57 General Media Event Record.
>> +#
>> # Since: 8.1
>> ##
>> { 'command': 'cxl-inject-general-media-event', @@ -91,7 +104,10 @@
>> 'dpa': 'uint64', 'descriptor': 'uint8',
>> 'type': 'uint8', 'transaction-type': 'uint8',
>> '*channel': 'uint8', '*rank': 'uint8',
>> - '*device': 'uint32', '*component-id': 'str' } }
>> + '*device': 'uint32', '*component-id': 'str',
>> + '*is-comp-id-pldm':'uint8',
>> + '*cme-ev-flags':'uint8', '*cme-count':'uint32',
>> + 'sub-type':'uint8' } }
>>
>> ##
>> # @cxl-inject-dram-event:
>
Thanks,
Shiju
