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Re: [Xen-devel] Will Xen change the mapping after PCIe reset for the VT-
| 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
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> http://lists.xensource.com/xen-devel
>
--
Pradeep Singh Rautela
http://eagain.wordpress.com
http://emptydomain.googlepages.com
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