Re: [Qemu-devel] [PATCH] qxl: Export "mode" as a property

[Gerd Hoffmann]

On 11/20/12 10:07, Daniel P. Berrange wrote:
> On Tue, Nov 20, 2012 at 08:50:09AM +0100, Gerd Hoffmann wrote:
>> On 11/19/12 14:11, Alexander Larsson wrote:
>>> This way you can easily tell from qemu if the guest is using
>>> a qxl driver or not.
>>
>> Device properties are for configuration, not inspection.
> 
> Sounds like we need to expose something via the monitor to let admin
> apps discover if QXL has been enabled with SPICE vs plain VGA compat
> mode only.  This is useful for apps to know, so that they can tell
> the user that something is wrong performance wise, if the OS is
> expected to have QXL present but does not.

Adding this to "info spice" is an option.  This has been discussed in
the past.  IIRC we didn't actually implement it as there was not clear
whenever this is actually needed or whenever management will handle this
using the guest agent anyway.  Alon?

cheers,
  Gerd