Re: [Qemu-devel] [v5][PATCH 2/5] xen, gfx passthrough: create pseudo intel isa bridge

[Chen, Tiejun]

On 2014/6/25 16:43, Michael S. Tsirkin wrote:
> On Wed, Jun 25, 2014 at 04:39:07PM +0800, Chen, Tiejun wrote:
> > > In fact it's exactly what passthrough does.
> > > I wonder if more bits from ./hw/i386/kvm/pci-assign.c
> > > can be reused. How do you poke at the host device? sysfs?
> >
> > Yes, sysfs.
> >
> > Thanks
> > Tiejun
>
> Then you should be able to re-use large chunks of
> ./hw/i386/kvm/pci-assign.c: basically everything
> that deals with emulation.

Do you mean those hooks to get info from the real device? Xen have its 
own wrapper, xen_host_pci_get_block(), so we always go there in xen 
scenario.

Thanks
Tiejun
>