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Re: [Xen-users] Passthrough I/O without HVM

To: "Javier Guerra" <javier@xxxxxxxxxxx>
Subject: Re: [Xen-users] Passthrough I/O without HVM
From: Asim <linkasim@xxxxxxxxx>
Date: Wed, 2 Jul 2008 15:44:25 -0500
Cc: xen-users@xxxxxxxxxxxxxxxxxxx
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Thanks! I got confused by the Xen download page(the new features). My
DomU and Dom0 are all PV.

Thanks,
Asim

On 7/2/08, Javier Guerra <javier@xxxxxxxxxxx> wrote:
> On Wed, Jul 2, 2008 at 3:10 PM, Asim <linkasim@xxxxxxxxx> wrote:
>> Hi,
>>
>> A quick question - Is it possible to perform PCI passthrough without
>> using HVM(VT-d or AMD's I/O-virtualization hardware)?
>
> sure, that's how Dom0 manages all hardware.
>
> but that's for PV Dom's only (Dom0 is always PV).  for HVM DomU's you
> need HVM hardware (Intel's VT-x or AMD's SVM).  for PCI passthrough on
> HVM, you need an IO-MMU (Intel's VT-d or AMD's whateveritscalled)
>
> --
> Javier
>

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