From b25b5ba83dc52ae311ed4fed8ac9861f9db30379 Mon Sep 17 00:00:00 2001
From: mstsirkin <mstsirkin@0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652>
Date: Wed, 5 Mar 2014 14:17:21 +0000
Subject: legacy message framing: console device

git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio@315 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
---
 content.tex | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'content.tex')

diff --git a/content.tex b/content.tex
index b055d1a..b697293 100644
--- a/content.tex
+++ b/content.tex
@@ -4036,6 +4036,12 @@ MUST format the fields in struct virtio_console_control
 according to the native endian of the guest rather than
 (necessarily when not using the legacy interface) little-endian.
 
+\subsubsection{Legacy Interface: Framing Requirements}\label{sec:Device
+Types / Console Device / Legacy Interface: Framing Requirements}
+
+When using legacy interfaces, transitional drivers which have not
+negotiated VIRTIO_F_ANY_LAYOUT MUST use only a single
+descriptor for all buffers in the control receiveq and control transmitq.
 
 \section{Entropy Device}\label{sec:Device Types / Entropy Device}
 
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