Re: [Xen-devel] question: xen/qemu - mmio mapping issues for device pass-through

[Venu Busireddy <venu.busireddy@xxxxxxxxxx>]

> -----Original Message-----
> From: Konrad Rzeszutek Wilk
> Sent: Tuesday, March 21, 2017 08:19 AM
> To: Xuquan (Quan Xu); Venu Busireddy
> Cc: Jan Beulich; anthony.perard@xxxxxxxxxx; George.Dunlap@xxxxxxxxxxxxx;
> ian.jackson@xxxxxxxxxxxxx; Fanhenglong; Kevin Tian; StefanoStabellini;
> xen-devel@xxxxxxxxxxxxx
> Subject: Re: question: xen/qemu - mmio mapping issues for device pass-
> through
> 
> .. snip..
> > support to pass-through large bar (pci-e bar > 4G) device..
> 
> Yes it does work.
> >
> > > I was assuming large BAR handling to work so far
> > >(Konrad had done some adjustments there quite a while ago, from all I
> recall).
> > >
> >
> >
> > _iirc_ what Konrad mentioned was using qemu-trad..
> 
> Yes but we also did tests on qemu-xen and it worked. CCing Venu.
> 
> Venu, does passing in large BARs work with qemu-xen (aka 'xl')?

Sorry, I do not know the answer!

Venu


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