From cbeb3b681713eae1d736e5cc84672c6702989d94 Mon Sep 17 00:00:00 2001 From: mstsirkin Date: Wed, 21 Oct 2015 14:21:41 +0000 Subject: cl: document resolution for VIRTIO-145. pci: clarify configuration access capability rules Signed-off-by: Michael S. Tsirkin git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio/branches/v1.0@550 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652 --- cl-os.tex | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/cl-os.tex b/cl-os.tex index 6befac3..34862e5 100644 --- a/cl-os.tex +++ b/cl-os.tex @@ -50,3 +50,19 @@ See \ref{sec:Device Types / Block Device}, \ref{sec:Conformance / Device Conformance / Block Device Conformance}. } \\ \hline +546 & 18 Oct 2015 & Michael S. Tsirkin & {pci: clarify configuration access capability rules + +The point of the configuration access capability is to enable +access to other capabilities. The intent never was to allow +writes to a random place within device BARs. +Limiting drivers simplifies devices - and devices can always +add another capability if drivers ever want to access +some other range. + +This resolves VIRTIO-145. + +See \ref{drivernormative:Virtio Transport Options / Virtio Over +PCI Bus / PCI Device Layout / PCI configuration access +capability}. +} \\ +\hline -- cgit v1.2.3