Eric Blake <eblake@xxxxxxxxxx> writes:
> On 01/22/2013 08:52 AM, Amos Kong wrote:
>
>>>>
>>>> Libvirt will need to expose an attribute that lets the user control
>>>> whether to use this new option; how do we probe via QMP whether the
>>>> new
>>>> -boot strict=on command-line option is available?
>>>
>>> Hi all,
>>>
>>> How about add new info/query command?
>>>
>>> (hmp) info strict-boot
>>> on
>>>
>>> (qmp) {"execute": "query-strict-boot"}
>>> {"return": {"state": true}}
>>
>> It might be not a good solution, I already updated qemu-options.hx,
>> we can check help message to know if this new option is added or not.
>
> Having libvirt probe the -help output is out of the question. We
> already declared that for qemu 1.3 and beyond, ALL command line behavior
> must ALSO be probe-able via QMP. I think Anthony had a trick for
> testing for existence of various command line options without needing to
> add a new query-strict-boot command, but I don't remember what that
> trick was.
We need a generic query-config-schema command.
Regards,
Anthony Liguori
>
> --
> Eric Blake eblake redhat com +1-919-301-3266
> Libvirt virtualization library http://libvirt.org
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