[libvirt] [PATCH v1 00/11] Enable vfio-pci 'property' for mediated device

[Daniel P. Berrangé]

On Wed, Jun 27, 2018 at 03:34:37PM +0200, Erik Skultety wrote:
> See the RFC here:
> https://www.redhat.com/archives/libvir-list/2018-May/msg02218.html
> 
> Since RFC:
> - split graphics 'gl' to a standalone structure since it's now SPICE, SDL,
>   *and* VNC that will support it
> 
> - egl-headless support for VNC, since VNC doesn't support OpenGL natively like
> SPICE does
> 
> - added a new attribute 'native' for spice which will instruct libvirt to use
> '-display egl-headless' instead of libvirt trying to figure this on out by
> itself, since egl-headless might have other uses besides mdev with VNC

Can you elaborate on this part, as it feels a bit odd to me.

Currently -display accepts vnc or spice or sdl or gtk or none

Each of these -display options corresponds to a different <graphics type=XXX/>
element in libvirt XML, except 'none' which corresponds to no <graphics> at
all.

We already allow multiple <graphics> elements to turn on say both SPICE and
VNC at once.

So why would we want to treat egl-headless differently as an attribute under
the SPICE graphics, as opposed to just having  <graphics type=egl-headless>
as a thing in its own right.


Regards,
Daniel
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