virtio — archive

[Michael S. Tsirkin <asubbarao@lnxw.com>]

We'll add more non-normative sections with hints for implementing registers such as PCI class, status and command registers. Cc: Arun Subbarao <asubbarao@lnxw.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> --- content.tex | 11 +++++++++++ introduction.tex | 12 ++++++++++++ 2 files changed, 23 insertions(+) diff --git a/content.tex b/content.tex index 365df87..85452e8 100644 --- a/content.tex +++ b/content.tex @@ -781,6 +781,17 @@ into virtio general and bus-specific sections. Virtio devices are commonly implemented as PCI devices. +A Virtio device can be implemented as any kind of PCI device: +a Conventional PCI device, a PCI-X device or a PCI Express +device. A Virtio device using Virtio Over PCI Bus MUST expose to +guest an interface that meets the specification requirements of +the appropriate PCI specification: \hyperref[intro:PCI]{[PCI]}, +\hyperref[intro:PCI-X]{[PCI-X]} and \hyperref[intro:PCIe]{[PCIe]} +respectively. To assure designs meet the latest level +requirements, designers of Virtio Over PCI devices must refer to +the PCI-SIG home page at \url{http://www.pcisig.com} for any +approved changes. + \subsection{PCI Device Discovery}\label{sec:Virtio Transport Options / Virtio Over PCI Bus / PCI Device Discovery} Any PCI device with Vendor ID 0x1AF4, and Device ID 0x1000 through diff --git a/introduction.tex b/introduction.tex index 7c79921..fbe69f6 100644 --- a/introduction.tex +++ b/introduction.tex @@ -46,6 +46,18 @@ The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "S \phantomsection\label{intro:rfc2119}\textbf{[RFC2119]} & S. Bradner, Key words for use in RFCs to Indicate Requirement Levels, \newline\url{http://www.ietf.org/rfc/rfc2119.txt}, March 1997\\ \phantomsection\label{intro:S390 PoP}\textbf{[S390 PoP]} & z/Architecture Principles of Operation, \newline IBM Publication SA22-7832\\ \phantomsection\label{intro:S390 Common I/O}\textbf{[S390 Common I/O]} & ESA/390 Common I/O-Device and Self-Description, \newline IBM Publication SA22-7204\\ + \phantomsection\label{intro:PCI}\textbf{[PCI]} & + Conventional PCI Specifications, + \newline\url{http://www.pcisig.com/specifications/conventional/}, + PCI-SIG\\ + \phantomsection\label{intro:PCI-X}\textbf{[PCI-X]} & + PCI-X Specifications, + \newline\url{http://www.pcisig.com/specifications/pcix_20/}, + PCI-SIG\\ + \phantomsection\label{intro:PCI-X}\textbf{[PCIe]} & + PCI Express Specifications + \newline\url{http://www.pcisig.com/specifications/pciexpress/}, + PCI-SIG\\ \end{longtable} \newpage -- MST