diff options
| author | mstsirkin <mstsirkin@0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652> | 2014-03-02 21:35:23 +0000 |
|---|---|---|
| committer | mstsirkin <mstsirkin@0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652> | 2014-03-02 21:35:23 +0000 |
| commit | ea07d76b67881e6126b4bb3bf10541f83deeea5e (patch) | |
| tree | 405a7bd7b3fa0eb91f297300c367de3d088cab7b | |
| parent | 4b7a5dcdecb5947a68e9819588f66772b8d46a35 (diff) | |
leacy: layout detection confirmance
Change accepted on VIRTIO TC Meeting, 3 December 2013
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio@295 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
| -rw-r--r-- | content.tex | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/content.tex b/content.tex index b1a293f..20a61d6 100644 --- a/content.tex +++ b/content.tex @@ -1510,16 +1510,17 @@ capability list. Therefore: -Transitional devices should expose the Legacy Interface in I/O +Transitional devices MUST expose the Legacy Interface in I/O space in BAR0. -Transitional drivers should look for the Virtio PCI +Transitional drivers MUST look for the Virtio PCI Capabilities on the capability list. -If these are not present, driver should assume a legacy device. +If these are not present, driver MUST assume a legacy device, +and use it through the legacy interface. -Non-transitional drivers should look for the Virtio PCI +Non-transitional drivers MUST look for the Virtio PCI Capabilities on the capability list. -If these are not present, driver should assume a legacy device, +If these are not present, driver MUST assume a legacy device, and fail gracefully. \paragraph{MSI-X Vector Configuration}\label{sec:Virtio Transport Options / Virtio Over PCI Bus / PCI-specific Initialization And Device Operation / Device Initialization / MSI-X Vector Configuration} |