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| author | mstsirkin <mstsirkin@0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652> | 2015-10-21 14:21:41 +0000 |
|---|---|---|
| committer | mstsirkin <mstsirkin@0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652> | 2015-10-21 14:21:41 +0000 |
| commit | cbeb3b681713eae1d736e5cc84672c6702989d94 (patch) | |
| tree | 5dddebd47620cd45e08d86f9d8a82841725935dd | |
| parent | 6e973374ed0ee2fd626569c09c55d46c67e55d6d (diff) | |
cl: document resolution for VIRTIO-145.
pci: clarify configuration access capability rules
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio/branches/v1.0@550 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
| -rw-r--r-- | cl-os.tex | 16 |
1 files changed, 16 insertions, 0 deletions
@@ -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 |