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

[Izik Eidus]

On 03/02/2010 08:28 PM, 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
Hi,

usbdevice tablet is just loading the emulation of tablet device,

What you mean usb plug and play?, if you mean plug usb device into the VM
then we support it just on the physical machine, we are working on adding
usb over remote support as well !

> - Does qemu-spice support snapshots ? if si, how to use it ?


Yes ! -snapshot

> - Can you tell me how to enable VT-D if it is disable on qemu-spice

Better to wait to the next spiced qemu !

> - Is there an option to support SMP ?

Yes ! -smp x_cpus

>
> 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
>>> _______________________________________________
>>> Spice-devel mailing list
>>> Spice-devel at lists.freedesktop.org
>>> http://lists.freedesktop.org/mailman/listinfo/spice-devel
>>
>>
>
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