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

[Damien Bruley]

Izik Eidus a écrit :
> 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 !
Yes, in fact i mean : plugging a usb device on client and that been seen 
as usb device in the VM with spice
>
>> - Does qemu-spice support snapshots ? if si, how to use it ?
>
>
> Yes ! -snapshot
Right, i used that feature already but i don't understand how to manage 
it ? like revert ? or fusion ? everytime i use the -snapshot option 
everything I change on the VM is not preserved after reboot ... It seems 
i'm forgeting something
>
>> - 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
Nice ! also, can you tell me how to change the "Redhat Spice" text in 
top of the spice remote desktop connection ?
Thanks a lot guys !
>
>>
>> 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
>>>
>>>
>>
>> _______________________________________________
>> Spice-devel mailing list
>> Spice-devel at lists.freedesktop.org
>> http://lists.freedesktop.org/mailman/listinfo/spice-devel
>
>