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RE: [Xen-devel] Secondary bus reset for VT-d device

To: "Neo Jia" <neojia@xxxxxxxxx>
Subject: RE: [Xen-devel] Secondary bus reset for VT-d device
From: "Cui, Dexuan" <dexuan.cui@xxxxxxxxx>
Date: Fri, 29 Aug 2008 13:11:55 +0800
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx, "Han, Weidong" <weidong.han@xxxxxxxxx>
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Thread-topic: [Xen-devel] Secondary bus reset for VT-d device
Now the FLR is done automatically when a domain is destroyed (such as "xm 
destroy/reboot/shutdown" a domain, or the domain shutdowns normally or crashes) 
.

-- Dexuan


-----Original Message-----
From: Neo Jia [mailto:neojia@xxxxxxxxx] 
Sent: 2008年8月29日 12:45
To: Cui, Dexuan
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx; Han, Weidong
Subject: Re: [Xen-devel] Secondary bus reset for VT-d device

Thanks! But, how to trigger it? Is there a separate command I can
issue or it is done automatically after reboot/shutdown guest?

Neo

2008/8/28 Cui, Dexuan <dexuan.cui@xxxxxxxxx>:
> Yes. When FLR-ing device, if the device lacks proper FLR capability (PCIe 
> FLR, PCI Advanced Capabilities or ssomething), we will try SecondaryBusReset.
> Currently the FLR is done in xend.
>
> -- Dexuan
>
>
> -----Original Message-----
> From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx 
> [mailto:xen-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Neo Jia
> Sent: 2008年8月29日 12:34
> To: xen-devel@xxxxxxxxxxxxxxxxxxx
> Cc: Han, Weidong
> Subject: [Xen-devel] Secondary bus reset for VT-d device
>
> hi,
>
> Did the current Xen in unstable branch already support the secondary
> bus reset for VT-d devices?
>
> 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
>



-- 
I would remember that if researchers were not ambitious
probably today we haven't the technology we are using!

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