Re: [Xen-devel] Will Xen change the mapping after PCIe reset for

To:	"Neo Jia" <neojia@xxxxxxxxx>
Subject:	Re: [Xen-devel] Will Xen change the mapping after PCIe reset for the VT-d device?
From:	"pradeep singh rautela" <rautelap@xxxxxxxxx>
Date:	Wed, 1 Oct 2008 13:23:37 +0530
Cc:	xen-devel@xxxxxxxxxxxxxxxxxxx, "Cui, Dexuan" <dexuan.cui@xxxxxxxxx>
Delivery-date:	Wed, 01 Oct 2008 00:54:01 -0700
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On Wed, Oct 1, 2008 at 12:33 PM, Neo Jia <neojia@xxxxxxxxx> wrote:
> hi,
>
> After a secondary bus reset Xen will restore the PCI configure space
> for the VT-d device, will the mapping still valid as we are using the
> original BARs?
>
> Let's assume the guest device driver will not change the BARs as Xen
> only save the register after guest shutdown/reset.

Won't SR(MR) PCI Manager take care of this? ( provided it sits in the
Xen hypervisor)

Thanks,
      --Pradeep
>
> Thanks,
> Neo
> --
> I would remember that if researchers were not ambitious
> probably today we haven't the technology we are using!
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel
>



-- 
Pradeep Singh Rautela
http://eagain.wordpress.com
http://emptydomain.googlepages.com

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Re: [Xen-devel] Will Xen change the mapping after PCIe reset for the VT-