Define a mechanism for sharing resources between different virtio devices. Signed-off-by: David Stevens <steve...@chromium.org> --- content.tex | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+)
diff --git a/content.tex b/content.tex index b1ea9b9..73bd28e 100644 --- a/content.tex +++ b/content.tex @@ -373,6 +373,24 @@ \section{Driver Notifications} \label{sec:Virtqueues / Driver notifications} \input{shared-mem.tex} +\section{Exporting Resources}\label{sec:Basic Facilities of a Virtio Device / Exporting Resources} + +When a resource created by one virtio device needs to be +shared with a seperate virtio device, the first device can +export the resource by generating a \field{uuid} which the +guest can pass to the second device to identify the resource. + +What constitutes a resource, how to export resources, and +how to import resources are defined by the individual device +types. The generation method of a \field{uuid} is dependent +upon the implementation of the exporting device. + +Whether a particular exported resource can be imported into +a device is dependent upon the implementations of the exporting +and importing devices. Generally speaking, the guest should +have some knowledge of the host configuration before trying to +use exported resources. + \chapter{General Initialization And Device Operation}\label{sec:General Initialization And Device Operation} We start with an overview of device initialization, then expand on the -- 2.24.1.735.g03f4e72817-goog