From ea07d76b67881e6126b4bb3bf10541f83deeea5e Mon Sep 17 00:00:00 2001
From: mstsirkin <mstsirkin@0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652>
Date: Sun, 2 Mar 2014 21:35:23 +0000
Subject: 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
---
 content.tex | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

(limited to 'content.tex')

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}
-- 
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