Re: [PATCH v8 10/17] vfio-user: run vfio-user context

[Jag Raman]

> On Apr 21, 2022, at 10:59 AM, Markus Armbruster <armbru@redhat.com> wrote:
> 
> Jagannathan Raman <jag.raman@oracle.com> writes:
> 
>> Setup a handler to run vfio-user context. The context is driven by
>> messages to the file descriptor associated with it - get the fd for
>> the context and hook up the handler with it
>> 
>> Signed-off-by: Elena Ufimtseva <elena.ufimtseva@oracle.com>
>> Signed-off-by: John G Johnson <john.g.johnson@oracle.com>
>> Signed-off-by: Jagannathan Raman <jag.raman@oracle.com>
>> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
>> ---
>> qapi/misc.json            | 23 ++++++++++
>> hw/remote/vfio-user-obj.c | 95 ++++++++++++++++++++++++++++++++++++++-
>> 2 files changed, 117 insertions(+), 1 deletion(-)
>> 
>> diff --git a/qapi/misc.json b/qapi/misc.json
>> index b83cc39029..f3cc4a4854 100644
>> --- a/qapi/misc.json
>> +++ b/qapi/misc.json
>> @@ -553,3 +553,26 @@
>> ##
>> { 'event': 'RTC_CHANGE',
>>   'data': { 'offset': 'int', 'qom-path': 'str' } }
>> +
>> +##
>> +# @VFU_CLIENT_HANGUP:
>> +#
>> +# Emitted when the client of a TYPE_VFIO_USER_SERVER closes the
>> +# communication channel
>> +#
>> +# @id: ID of the TYPE_VFIO_USER_SERVER object
>> +#
>> +# @device: ID of attached PCI device
> 
> Is this the ID set with -device id=... and such?

Yes, that is correct. It’s the ID set with the “-device id=…” option/

Thank you!
--
Jag

> 
>> +#
>> +# Since: 7.1
>> +#
>> +# Example:
>> +#
>> +# <- { "event": "VFU_CLIENT_HANGUP",
>> +#      "data": { "id": "vfu1",
>> +#                "device": "lsi1" },
>> +#      "timestamp": { "seconds": 1265044230, "microseconds": 450486 } }
>> +#
>> +##
>> +{ 'event': 'VFU_CLIENT_HANGUP',
>> +  'data': { 'id': 'str', 'device': 'str' } }
>