virtio — archive

[PATCH v10 00/10] Introduce device group and device management

From: Michael S. Tsirkin <[email protected]>
To: [email protected]
Date: Thu, 02 Mar 2023 13:05:00 -0000

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 <[email protected]> --- content.tex | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/content.tex b/content.tex index 1076125..6c3ee52 100644 --- a/content.tex +++ b/content.tex @@ -2363,6 +2363,18 @@ \subsection{Legacy interface}\label{sec:Virtio Transport Options / Virtio Over M Notification 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 + +\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 -- MST