Christian Smith - Sun Microsystems - Dublin Ireland wrote:
> I have been given the not so pleasant task of writing a windows driver 
> that will allow information to be read and written to Xenstore.  I have 
> no experience with this so if someone could point me in the right 
> direction that would be great.

The project team may well not be the best set of people to advise in how 
to port things to Windows :-/

> A couple of questions are:  How is the 
> xenstore/xenbus stuff shared between VM's (I know about the cli's, is it 
> shared through a memory location maybe?).

There's an inter-domain protocol based on shared pages and an event channel.

> Will the whole xenbus or 
> store have to be ported to windows?

You'll need an implementation of the xenbus frontend interface, together 
with a way to issue hypercalls.

Many of these things are also required for PV IO drivers under Windows, 
so getting together with someone producing those would be a good idea.

dme.
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