Re: [Xen-users] PCI Digium TDM410p paravirtualization passthrough

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Thu, Feb 25, 2010 at 02:01:31PM +0000, Paolo Rivetti wrote:
> Ok. Thankyou Pasi.
> I googoled to find a guide about passthrough..are there official tutorials?
>

Just google same Asterisk + Xen tutorial, with PCI passthrough.

>  And with passthrough tecnique, can I attach directly 2 phisical disk to a PV 
> guest? (open filer shares on to raid1)
> 

passing physical disks to a guest doesn't require PCI passthrough. 
That's basicly functionality that has been in Xen for a long time.

-- Pasi

> -----Original Message-----
> From: Pasi Kärkkäinen
> Sent:  25/02/2010 13:17:02
> To: Paolo Rivetti
> Cc: xen-users@xxxxxxxxxxxxxxxxxxx
> Subject:  Re: [Xen-users] PCI Digium TDM410p paravirtualization passthrough
> 
> On Wed, Feb 24, 2010 at 10:34:44PM +0100, Paolo Rivetti wrote:
> >    Hello everyone! My name is Paul.
> >    I am a KVM user and I need to assign a PCI card to a virtual
> >    machine. OK! But the host motherboard I have available does not support
> >    VT-d, then with KVM no way to assign a PCI device to the VM.
> >    A developer of KVM suggested me Xen because told me that support
> >    paravirtualization devices passthrough.
> > 
> >    Practically the motherboard that I have available, mounts an Intel G33
> >    chipset with a controller 82801IR (this is the mb:
> >    
> > [1]http://h10025.www1.hp.com/ewfrf/wc/document?docname=c01324212&lc=en&cc=ca&dlc=en&product
> >    = 3691066).
> > 
> >    Ultimately I virtualize OpenFiler distribution with direct access to 2
> >    SATA drives installed on the host and then a distribution of Asterisk 
> > with
> >    direct access to a PCI Digium TDM410p.
> > 
> >    In both cases I think to use the paravirtualization. You think I can
> >    achieve this by using Xen type 1?
> > 
> 
> Yes, Xen supports PCI passthrough to paravirtual guests without VT-d.
> Actually Xen has supported this for years.
> 
> Also it's pretty common scenario to use Xen to passthrough a PCI card to 
> Asterisk VM.
> 
> -- Pasi
> 
> 

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