Re: [Xen-devel] PCI passthrough with stubdomain

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

On Fri, Sep 23, 2016 at 04:25:41PM +0200, Marek Marczykowski-Górecki wrote:
> On Fri, Sep 23, 2016 at 03:27:07PM +0200, Samuel Thibault wrote:
> > Marek Marczykowski-Górecki, on Fri 23 Sep 2016 10:48:14 +0200, wrote:
> > > I'm still trying to get PCI passthrough working with stubdomain and
> > > without qemu in dom0 (even for just vfb/vkbd backends). How is this
> > > supposed to work?
> > 
> > Just as I recall from my memory:
> > 
> > > 1. Should xen-pcifront in the target domain be used (and consequently,
> > > should xen-pciback be set for it)?
> > 
> > I guess that could work.
> 
> Could, or should? ;)
> 
> In the meantime, I've found this in xen-pcifront driver:
> 
>       static int __init pcifront_init(void)
>       {
>               if (!xen_pv_domain() || xen_initial_domain())
>                       return -ENODEV;
> 
> So, it looks like pcifront is not used in PV domain.

You mean in HVM domains.

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