[Spice-devel] Information on VT-D support for qemu-spice

[Izik Eidus]

On 03/03/2010 01:12 AM, bing wrote:
> Hi,
>
> I am also interested on how to enable VT-d in qemu-spice. I am 
> currently use Xen to do that but the spice gui is far more better than 
> the vnc.


Hi,

Considering the demand for latest qemu features that we see from users,
We will push a new qemu version for spice soon - And that ofcorse only 
untill
when we will merge all this stuff to qemu, and then we won`t have all 
the issues !

Thanks.


>
> regards
>
> bing
>
>
>
> On 03/03/2010 05:28 AM, Damien Bruley wrote:
>> Hi ,
>> Thanks for your feedback.
>> I have several other question regarding Spice :
>> - Is it possible to use USB plug and play ? I use option : -usbdevice 
>> tablet but it doesn't work for me
>> - Does qemu-spice support snapshots ? if si, how to use it ?
>> - Can you tell me how to enable VT-D if it is disable on qemu-spice
>> - Is there an option to support SMP ?
>>
>> regards
>>
>> Izik Eidus a écrit :
>>> On 03/01/2010 06:35 PM, Damien Bruley wrote:
>>>> Hi,
>>>>
>>>> I'm new to this mailing list, i've tested qemu-spice and i'm 
>>>> amaized of the overall performance.
>>>> In fact, I would like to use that solution as Client Hypervisor and 
>>>> develop an administration console to easily deploy VM to end user 
>>>> devices.
>>>>
>>>> As Spice is based on KVM and QEMU I would like to know if it is 
>>>> technicaly possible to assign VT-D (IOMMU) devices to KVM ?
>>>> I have lots of laptops all with VT-D technologies enable (dmesg | 
>>>> grep -e DMAR -e IOMMU report fine)
>>>>
>>>> So my question is :
>>>> - I know QEMU for SPICE is an old version of QEMU but is it 
>>>> possible to assign VT-D ? All my tests did not succeed.
>>>
>>>
>>> I think the VT-D code is disabled for the qemu-spice (at least as 
>>> far as i remember)
>>>
>>>> - Is it possible to use qemu-system with spice feature instead of 
>>>> qemu-spice ?
>>>
>>>
>>> Yea there is on going effort to merge spice support into qemu, but 
>>> it will take some time
>>>
>>> Thanks.
>>>
>>>>
>>>> Thanks a lot for your help !
>>>>
>>>> Damien
>>>> _______________________________________________
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>>>> Spice-devel at lists.freedesktop.org
>>>> http://lists.freedesktop.org/mailman/listinfo/spice-devel
>>>
>>>
>>
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>
>