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Date: Wed, 6 Aug 2014 07:10:22 +0800
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From: Le Tan <tamlokveer@gmail.com>
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Subject: Re: [Qemu-devel] About the VT-d features that q35 chipset supports
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To: Jan Kiszka <jan.kiszka@web.de>
Cc: Paolo Bonzini <pbonzini@redhat.com>, Knut Omang <knut.omang@oracle.com>, qemu-devel <qemu-devel@nongnu.org>, "Michael S. Tsirkin" <mst@redhat.com>

Hi Jan,

2014-08-06 1:08 GMT+08:00 Jan Kiszka <jan.kiszka@web.de>:
> On 2014-08-05 14:55, Le Tan wrote:
>> Hi,
>> I am now adding features to the VT-d emulation for q35 chipset. I
>> think it is good to know what features q35 chipset supports exactly.
>> However I can't find materials about this. Does anyone know this? Or
>> it will be fine if someone can tell me the value of the Capability
>> Register and Extended Capability Register of the VT-d on q35.
>
> The kernel reports those registers during boot-up, so we would just need
> "dmesg | grep dmar" from a real 82Q35 box (Intel 3 Series).

Thanks! But my computer seems not to be Intel 3 Series. It seems to be
"7 Series/C210 Series Chipset Family". What's more, Acer seems to
disable and hide the VT-d support of it.

Le

> Jan
>
>> Any help is appreciated!
>> Thanks very much!
>>
>> Regards,
>> Le
>>
>
>