linux-kernel - Re: [PATCH v3 1/2] drm/virtio: Add window server support

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Date:   Mon, 12 Feb 2018 12:52:42 +0100
From:   Gerd Hoffmann <kraxel@...hat.com>
To:     Tomeu Vizoso <tomeu.vizoso@...labora.com>
Cc:     linux-kernel@...r.kernel.org, Zach Reizner <zachr@...gle.com>,
        kernel@...labora.com, dri-devel@...ts.freedesktop.org,
        virtualization@...ts.linux-foundation.org,
        "Michael S. Tsirkin" <mst@...hat.com>,
        David Airlie <airlied@...ux.ie>,
        Jason Wang <jasowang@...hat.com>,
        Stefan Hajnoczi <stefanha@...il.com>
Subject: Re: [PATCH v3 1/2] drm/virtio: Add window server support

  Hi,

> can we reach agreement on whether vsock should be involved in this?

I think the best approach would be to have guest proxy and host proxy
use vsock for the wayland protocol.  Use a wayland protocol extension to
reference the buffers in stdvga / ivshmem / virtio-gpu.  Only the two
proxies need to understand the extension, the client <=> guest proxy and
host proxy <=> server communication would be standard wayland protocol.

cheers,
  Gerd