From 6b0a5448622bce092fc94e15d5c9d53142cf75a5 Mon Sep 17 00:00:00 2001 From: mstsirkin Date: Sun, 2 Mar 2014 21:36:18 +0000 Subject: conformance: document two types of devices Change accepted on VIRTIO TC Meeting, 3 December 2013 document that there are two conformance levels Signed-off-by: Michael S. Tsirkin git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio@300 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652 --- conformance.tex | 59 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 59 insertions(+) diff --git a/conformance.tex b/conformance.tex index 3d9dfea..d72c3e2 100644 --- a/conformance.tex +++ b/conformance.tex @@ -230,3 +230,62 @@ An SCSI host device MUST conform to the following normative statements: \item \ref{devicenormative:Device Types / SCSI Host Device / Device configuration layout} \item \ref{devicenormative:Device Types / SCSI Host Device / Device Operation / Device Operation: eventq} \end{itemize} + +\section{Legacy Interface: Transitional Device and +Transitional Driver Conformance}\label{sec:Conformance / Legacy +Interface: Transitional Device and +Transitional Driver Conformance} +A conformant implementation MUST be either transitional or +non-transitional, see \ref{sec:Basic Facilities of a Virtio +Device / Feature Bits / Legacy Interface: A Note on transitions +from earlier drafts}. + +A non-transitional implementation conforms to this specification +if it satisfies all of the MUST or REQUIRED level requirements +defined above. + +An implementation MAY choose to implement OPTIONAL support for the +legacy interface, including support for legacy drivers +or devices, by additionally conforming to all of the MUST or +REQUIRED level requirements for the legacy interface +for the transitional devices and drivers. + +The requirements for the legacy interface for transitional implementations +are located in sections named "Legacy Interface" listed below: +\begin{itemize} +\item Section \ref{sec:Basic Facilities of a Virtio Device / Feature Bits / Legacy Interface: A Note on transitions from earlier drafts} +\item Section \ref{sec:Basic Facilities of a Virtio Device / Device Configuration Space / Legacy Interface: A Note on Configuration Space endian-ness} +\item Section \ref{sec:Basic Facilities of a Virtio Device / Device Configuration Space / Legacy Interface: Device Configuration Space} +\item Section \ref{sec:Basic Facilities of a Virtio Device / Virtqueues / Legacy Interfaces: A Note on Virtqueue Layout} +\item Section \ref{sec:Basic Facilities of a Virtio Device / Virtqueues / Legacy Interfaces: A Note on Virtqueue Endianness} +\item Section \ref{sec:Basic Facilities of a Virtio Device / Virtqueues / Message Framing / Legacy Interface: Message Framing} +\item Section \ref{sec:General Initialization And Device Operation / Device Initialization / Legacy Interface: Device Initialization} +\item Section \ref{sec:Virtio Transport Options / Virtio Over PCI Bus / PCI Device Discovery / Legacy Interfaces: A Note on PCI Device Discovery} +\item Section \ref{sec:Virtio Transport Options / Virtio Over PCI Bus / PCI Device Layout / Legacy Interfaces: A Note on PCI Device Layout} +\item Section \ref{sec:Virtio Transport Options / Virtio Over PCI Bus / PCI-specific Initialization And Device Operation / Device Initialization / Virtio Device Configuration Layout Detection / Legacy Interface: A Note on Device Layout Detection} +\item Section \ref{sec:Virtio Transport Options / Virtio Over PCI Bus / PCI-specific Initialization And Device Operation / Device Initialization / Virtqueue Configuration / Legacy Interface: A Note on Virtqueue Configuration} +\item Section \ref{sec:Virtio Transport Options / Virtio Over MMIO / Legacy interface} +\item Section \ref{sec:Virtio Transport Options / Virtio over channel I/O / Device Initialization / Setting the Virtio Revision / Legacy Interfaces: A Note on Setting the Virtio Revision} +\item Section \ref{sec:Virtio Transport Options / Virtio over channel I/O / Device Initialization / Configuring a Virtqueue / Legacy Interface: A Note on Configuring a Virtqueue} +\item Section \ref{sec:Virtio Transport Options / Virtio over channel I/O / Device Operation / Host->Guest Notification / Legacy Interfaces: A Note on Host->Guest Notification} +\item Section \ref{sec:Virtio Transport Options / Virtio over channel I/O / Device Initialization / Setting Up Indicators / Legacy Interfaces: A Note on Setting Up Indicators} +\item Section \ref{sec:Device Types / Network Device / Feature bits / Legacy Interface: Feature bits} +\item Section \ref{sec:Device Types / Network Device / Device configuration layout / Legacy Interface: Device configuration layout} +\item Section \ref{sec:Device Types / Network Device / Device Operation / Legacy Interface: Device Operation} +\item Section \ref{sec:Device Types / Network Device / Device Operation / Control Virtqueue / Setting MAC Address Filtering / Legacy Interface: Setting MAC Address Filtering} +\item Section \ref{sec:Device Types / Network Device / Device Operation / Control Virtqueue / VLAN Filtering / Legacy Interface: VLAN Filtering} +\item Section \ref{sec:Device Types / Network Device / Device Operation / Control Virtqueue / Automatic receive steering in multiqueue mode / Legacy Interface: Automatic receive steering in multiqueue mode} +\item Section \ref{sec:Device Types / Network Device / Device Operation / Control Virtqueue / Offloads State Configuration / Setting Offloads State / Legacy Interface: Setting Offloads State} +\item Section \ref{sec:Device Types / Block Device / Feature bits / Legacy Interface: Feature bits} +\item Section \ref{sec:Device Types / Block Device / Feature bits / Device configuration layout / Legacy Interface: Device configuration layout} +\item Section \ref{sec:Device Types / Block Device / Device Initialization / Legacy Interface: Device Initialization} +\item Section \ref{sec:Device Types / Block Device / Device Operation / Legacy Interface: Device Operation} +\item Section \ref{sec:Device Types / Console Device / Device configuration layout / Legacy Interface: Device configuration layout} +\item Section \ref{sec:Device Types / Console Device / Device Operation / Legacy Interface: Device Operation} +\item Section \ref{sec:Device Types / Memory Balloon Device / Device Operation / Memory Statistics / Legacy Interface: Memory Statistics} +\item Section \ref{sec:Device Types / SCSI Host Device / Device configuration layout / Legacy Interface: Device configuration layout} +\item Section \ref{sec:Device Types / SCSI Host Device / Device Operation / Device Operation: Request Queues / Legacy Interface: Device Operation: Request Queues} +\item Section \ref{sec:Device Types / SCSI Host Device / Device Operation / Device Operation: controlq / Legacy Interface: Device Operation: controlq} +\item Section \ref{sec:Device Types / SCSI Host Device / Device Operation / Device Operation: eventq / Legacy Interface: Device Operation: eventq} +\item Section \ref{sec:Reserved Feature Bits / Legacy Interface: Reserved Feature Bits} +\end{itemize} -- cgit v1.2.3