Re: [PATCH v8 7/9] ccw: document ADMIN_VQ as reserved

[Cornelia Huck <cohuck@redhat.com>]

On Mon, Nov 21 2022, "Michael S. Tsirkin" <mst@redhat.com> wrote:

> OK I think for now the following is sufficient, right?
> Separately, we should make an effort to document that these
> features are transport specific and not supported on all transports:
> happily VIRTIO_F_RING_RESET is only used in drivers/virtio/virtio_pci_modern.c
> for now, and VIRTIO_PMEM_F_SHMEM_REGION seems to be unused by Linux.
>
>     ccw: document more reserved features
>     
>     vq reset and shared memory are unsupported, too.
>     
>     Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
>
> diff --git a/content.tex b/content.tex
> index 30f8efb..776fc56 100644
> --- a/content.tex
> +++ b/content.tex
> @@ -2978,6 +2978,8 @@ \subsection{Features reserved for future use}\label{sec:Virtio Transport Options
>  \begin{itemize}
>  
>  \item VIRTIO_F_ADMIN_VQ
> +\item VIRTIO_F_RING_RESET
> +\item Shared memory regions including VIRTIO_PMEM_F_SHMEM_REGION

\item VIRTIO_F_SR_IOV (not applicable for this transport)
\item VIRTIO_F_NOTIFICATION_DATA
\item VIRTIO_F_NOTIF_CONFIG_DATA

I think that would be all AFAICS.

What about doing a separate github issue for patch 1 + the list of
reserved features for ccw as of now? We should be able to get that in
independently of the admin vq work.