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diff --git a/content.tex b/content.tex index bc53749..05cbac8 100644 --- a/content.tex +++ b/content.tex @@ -799,6 +799,17 @@ 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 |