[libvirt] [Qemu-devel] [PATCH v5 12/12] suspend: add qmp events

Eric Blake eblake at redhat.com
Tue Feb 21 16:30:14 UTC 2012

On 02/21/2012 03:00 AM, Gerd Hoffmann wrote:
> [ added libvirt to Cc:, leaving full context.
>   this is about qmp events when the guest enters/leaves s3 ].

>>> @@ -1436,12 +1437,26 @@ void qemu_register_suspend_notifier(Notifier *notifier)
>>>  void qemu_system_wakeup_request(WakeupReason reason)
>>>  {
>>> +    static const char *names[] = {
>>> +        [QEMU_WAKEUP_REASON_OTHER]   = "other",
>>> +        [QEMU_WAKEUP_REASON_RTC]     = "rtc",
>>> +        [QEMU_WAKEUP_REASON_PMTIMER] = "pmtimer",
>> Is the reason really important for mngt? Can we just leave it out?
> I assumed the wakeup reason could be useful, but dunno.
> Zapping the code is no problem of course.
> Lets ask mgmt aka libvirt folks ;)

If you present the reason, libvirt will pass it on to the management
app.  But I don't see any reason why libvirt itself would care about the
reason, so it won't hurt libvirt if you drop a reason field.  I don't
know whether higher-level management apps, like oVirt, would care or not.

Isn't this something where it is easier to omit first and add later once
we have a use case, than to add up front only to find that no one cares?

Eric Blake   eblake at redhat.com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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