Re: [Xen-devel] RFC: Creation of virtual bus, hook-up of Xen devices

[Mark Williamson <Mark.Williamson@xxxxxxxxxxxx>]

> to manage simple state across front and backend.  It might even be
> nice to see if we could come up with a clear general mechanism for
> signalling shared memory/event channel setup along these lines as
> well.

The current setup where each driver replicates all the device channel setup 
code code is a bit nasty.

It would be well worth the effort to split out the device channel protocols 
into a device-specific portion (details of associated VBDs / VIFs / feather 
dusters) and a generic portion (details about the shared memory page, event 
channels, etc).

Mark
(who has recently added one device class and is now working on another)


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