Re: Enabling forwarding Wayland from appVM to host with waypipe

[Vadim Likholetov <vadim.likholetov@unikie.com>]

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Thank you for the feedback!
I managed to make foot terminal working in my setup -- the issue was in
lack of compositor ( weston in my case) on the guest, looks like it's the
common issue for wayland programs, so now I have competitive advantage over
virtio-gpu setup :)
I also think that having socket-only approach in Spectrum is not a bad idea
cause it is   enabling remote access and networking  easy for virtual
machines and applications.

On Wed, Nov 30, 2022 at 10:51 AM Alyssa Ross <alyssa.ross@unikie.com> wrote:

> On Wed, Nov 30, 2022 at 09:12:50AM +0200, Vadim Likholetov wrote:
> > This patchset enables forwarding Wayland connections from appVM to the
> host
> > with the help of waypipe tool.
> >
> > It doesn't reqire major changes in Spectrum and tries to utilise existing
> > packages and solutions.
> > Main idea is to create VSOCK virtual device on the start of appVM and use
> > this virtual socket to connect host and guest.
> >
> > On the host side I implement vm-start-way tool that is based on vm-start,
> > but does necessary preparations for wayland forwarfing.
> >
> > The guest VM is appvm-hello-waypipe and described in  hello-waypipe.nix
> > file.
> >
> > To test it boot the Spectrum and do 'vm-start-way appvm-hello-waypipe'.
> > Be patient and in couple of seconds will appear a terminal window from
> > appVM.
> >
> > This patches are for test the concept, so possibly redisign is needed for
> > production use.
>
> Thanks for sharing these!
>
> You've done a great job fitting it into the Spectrum codebase.
>
> Since you mentioned in your previous email that the same applications
> are broken with Waypipe and virtio-gpu, I think that virtio-gpu still
> looks like the way to go, since it would allow optimisations like shared
> memory between guest and host that wouldn't be possible with a pure
> socket-based approach like Waypipe.
>
> But lots of people come to Spectrum looking for advice and inspiration for
> their own custom Wayland-in-VM setups, and often they're more interested in
> Waypipe, so it'll be great to be able to point them here.
>
> > ps sorry for mess in the mailing list
>
> No worries. :)
>

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