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

["pradeep singh rautela" <rautelap@xxxxxxxxx>]

On Wed, Oct 1, 2008 at 10:52 PM, Neo Jia <neojia@xxxxxxxxx> wrote:
> Could you show me where the PCI manager in the Xen hypervisor?

I do not know but I doubt if it is in there yet.
Maybe someone better can ans this question.
What I said was from simple SR-IOV specification.

Thanks,

>
> Thanks,
> Neo
>
> On Wed, Oct 1, 2008 at 12:53 AM, pradeep singh rautela
> <rautelap@xxxxxxxxx> wrote:
>> 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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>>>
>>
>>
>>
>> --
>> Pradeep Singh Rautela
>> http://eagain.wordpress.com
>> http://emptydomain.googlepages.com
>>
>
>
>
> --
> I would remember that if researchers were not ambitious
> probably today we haven't the technology we are using!
>



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

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