Re: [virtio-dev][RFC PATCH v1 1/2] content: define what exporting a resource is

[Gerd Hoffmann]

On Wed, Jan 08, 2020 at 06:01:58PM +0900, David Stevens wrote:
> Define a mechanism for sharing resources between different virtio
> devices.
> 
> Signed-off-by: David Stevens <address@hidden>
> ---
>  content.tex | 18 ++++++++++++++++++
>  1 file changed, 18 insertions(+)
> 
> diff --git a/content.tex b/content.tex
> index b1ea9b9..73bd28e 100644
> --- a/content.tex
> +++ b/content.tex
> @@ -373,6 +373,24 @@ \section{Driver Notifications}
> \label{sec:Virtqueues / Driver notifications}
> 
>  \input{shared-mem.tex}
> 
> +\section{Exporting Resources}\label{sec:Basic Facilities of a Virtio
> Device / Exporting Resources}
> +
> +When a resource created by one virtio device needs to be
> +shared with a seperate virtio device, the first device can
> +export the resource by generating a \field{uuid} which the
> +guest can pass to the second device to identify the resource.
> +
> +What constitutes a resource, how to export resources, and
> +how to import resources are defined by the individual device
> +types. The generation method of a \field{uuid} is dependent
> +upon the implementation of the exporting device.
> +
> +Whether a particular exported resource can be imported into
> +a device is dependent upon the implementations of the exporting
> +and importing devices. Generally speaking, the guest should
> +have some knowledge of the host configuration before trying to
> +use exported resources.

Hmm, I'd suggest to move the whole thing into the virtio-gpu section.
There is no such thing as a "resource" in general virtio context ...

cheers,
  Gerd