virtio — archive

[PATCH v8 0/9] Introduce device group and device management

From: Michael S. Tsirkin <[email protected]>
To: [email protected]
Date: Mon, 21 Nov 2022 01:26:00 -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 03cbd3f..9c74fa9 100644 --- a/content.tex +++ b/content.tex @@ -2357,6 +2357,18 @@ 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: +egin{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