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| -rw-r--r-- | content.tex | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/content.tex b/content.tex index 69f11a6..de24746 100644 --- a/content.tex +++ b/content.tex @@ -843,7 +843,13 @@ MUST access each field using the “natural” access method (i.e. 32-bit access \subsection{Virtio Structure PCI Capabilities}\label{sec:Virtio Transport Options / Virtio Over PCI Bus / Virtio Structure PCI Capabilities} -The virtio device configuration layout includes a common configuration structure, the notification area, ISR status register and a device-specific configuration registers. +The virtio device configuration layout includes several structures: +\begin{item} +\item Common configuration +\item Notifications +\item ISR Status +\item Device-specific configuration (optional) +\end{item} Each structure can be mapped by a Base Address register (BAR) belonging to the function, or accessed via the special VIRTIO_PCI_CAP_PCI_CFG field in the PCI configuration space. |