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Re: [Xen-devel] Guest to Host communication



On Tue, Oct 22, 2013 at 01:18:56PM +0000, Paul Durrant wrote:
> > -----Original Message-----
> > From: Jose A. Lopes [mailto:jabolopes@xxxxxxxxxx]
> > Sent: 22 October 2013 13:49
> > To: Paul Durrant
> > Cc: xen-devel@xxxxxxxxxxxxxxxxxxxx
> > Subject: Re: [Xen-devel] Guest to Host communication
> > 
> > Hi,
> > 
> > If I understood correctly, Xenstore requires writing a driver and
> > loading it inside the VM.  Is this correct?
> > 
> 
> Well, yes you'll need some code in the guest, but drivers already exist for 
> linux and windows so you could just use them.
> 
> > If so, then it seems this approach would require writing different
> > drivers for different OSes, such as, Linux and Windows.  Currently, we
> > are just exploring different design options and we would like to aim
> > at a uniform approach across different OSes. Is there an option like that ?
> > 
> 
> What option do you expect that doesn't involve writing at least some code for 
> each OS you want to use?

We were thinking of simply attaching a device.
For example, add a SSD disk in DomU which is backed in Dom0 by a file.
Is this possible?

> 
>   Paul

-- 
Jose Antonio Lopes
Ganeti Engineering
Google Germany GmbH
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