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Subject: Re: [PATCH v10 06/10] mmio: document ADMIN_VQ as reserved
On 09/02/2023 14:13, 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. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> --- content.tex | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/content.tex b/content.tex index 2d9b903..f8bd1ab 100644 --- a/content.tex +++ b/content.tex @@ -2362,6 +2362,18 @@ \subsection{Legacy interface}\label{sec:Virtio Transport Options / Virtio Over MNotification mechanisms did not change. +\subsection{Features reserved for future use}\label{sec:Virtio Transport Options / Virtio Over MMIO / Features reserved for future use}+ +At this time, devices and drivers utilizing Virtio Over MMIO +do not support the following features: +\begin{itemize} + +\item VIRTIO_F_ADMIN_VQ
only ADMIN_VQ is not supported ? What about SR-IOV :) ?
+ +\end{itemize} + +These features are reserved for future use. + \section{Virtio Over Channel I/O}\label{sec:Virtio Transport Options / Virtio Over Channel I/O}S/390 based virtual machines support neither PCI nor MMIO, so a
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