From 065be53f89a835b0de3f75aad1475b112ebdaf40 Mon Sep 17 00:00:00 2001
From: mstsirkin <mstsirkin@0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652>
Date: Wed, 5 Mar 2014 14:17:32 +0000
Subject: legacy framing: scsi host

git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio@316 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
---
 content.tex | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'content.tex')

diff --git a/content.tex b/content.tex
index b697293..c31a99e 100644
--- a/content.tex
+++ b/content.tex
@@ -4876,6 +4876,17 @@ MUST format the fields in struct virtio_scsi_event
 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 / SCSI Host Device / Legacy Interface: Framing Requirements}
+
+When using legacy interfaces, transitional drivers which have not
+negotiated VIRTIO_F_ANY_LAYOUT MUST use a single descriptor for the
+\field{lun}, \field{id}, \field{task_attr}, \field{prio},
+\field{crn} and \field{cdb} fields, and MUST only use a single
+descriptor for the \field{sense_len}, \field{residual},
+\field{status_qualifier}, \field{status}, \field{response} and
+\field{sense} fields.
+
 \chapter{Reserved Feature Bits}\label{sec:Reserved Feature Bits}
 
 Currently there are three device-independent feature bits defined:
-- 
cgit v1.2.3

