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Subject: Re: [PATCH v11 07/10] ccw: document ADMIN_VQ as reserved
On Mon, Apr 03, 2023 at 11:55:29AM -0400, Parav Pandit wrote: > > > On 4/3/2023 11:03 AM, Michael S. Tsirkin wrote: > > Adding relevant registers needs more work and it's not > > clear what the use-case will be as currently only > > the PCI transport is supported. But let's keep the > > door open on this. > > We already say it's reserved in a central place, but it > > does not hurt to remind implementers to mask it. > > > s/implementers/implementation > > > Note: there are more features to add to this list. > > Will be done later with a patch on top. > > > > Signed-off-by: Michael S. Tsirkin <mst@redhat.com> > > Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> > > --- > > content.tex | 12 ++++++++++++ > > 1 file changed, 12 insertions(+) > > > > diff --git a/content.tex b/content.tex > > index f7446bf..1213d48 100644 > > --- a/content.tex > > +++ b/content.tex > > @@ -2978,6 +2978,18 @@ \subsubsection{Resetting Devices}\label{sec:Virtio Transport Options / Virtio ov > > MAY also choose to verify reset completion by reading \field{device status} via > > CCW_CMD_READ_STATUS and checking whether it is 0 afterwards. > > +\subsection{Features reserved for future use}\label{sec:Virtio Transport Options / Virtio over channel I/O / Features reserved for future use} > > + > > +At this time, devices and drivers utilizing Virtio over channel I/O > > +do not support the following features: > > +\begin{itemize} > > + > > +\item VIRTIO_F_ADMIN_VQ > > + > > +\end{itemize} > > + > > +These features are reserved for future use. > > + > > \chapter{Device Types}\label{sec:Device Types} > > On top of the queues, config space and feature negotiation facilities > > Same nit as that of mmio. Sorry I don't get what this refers to. > Reviewed-by: Parav Pandit <parav@nvidia.com>
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