Re: [RFC] Upstreaming virtio-wayland (or an alternative)

[Gerd Hoffmann <kraxel@redhat.com>]

  Hi,

> > But let's say we go for a dedicated virtio-device to preserve this
> > granularity. Should we aim at providing a generic virtio-msg device or
> > should we keep this so-called wayland-specific virtio device (I'd like
> > to remind you that it's actually protocol-agnostic)?
> 
> Maybe there's another option (not sure I mentioned it previously):
> de-correlate the message passing and fd-passing interfaces. If we add a
> virtio-fd device that takes care of FD passing between guest and host,
> we can still use a regular vsock to pass messages (can be vhost or
> !vhost depending on your level of paranoïa). The wayland proxies would
> then queue/dequeue messages to/from the vsock and FDs to/from virtio-fd.

Hmm, I suspect supporting unix socket passing (by creating a tunnel for
them) is going to be tricky in with that approach.

cheers,
  Gerd