Re: Hacking QEMU/KVM to use unused graphics adapters

[Anthony de Almeida Lopes <tl-9ppiOi6qtBWfG3DagfIdxQ@public.gmane.org>]

I just read the ChangeLogs from kvm-47 to kvm-59 but I didn't notice 
anything that about PCI pass-through or any VGA work. I'm curious how 
things are going and what method was selected to accomplish this 
functionality?
 - Tony

Dor Laor wrote:
> It's still out-of -tree.
> Not for long :)
>
> Anthony de Almeida Lopes wrote:
>> Muli Ben-Yehuda wrote:
>>  
>>> On Thu, Oct 11, 2007 at 10:40:47AM +0200, Laurent Vivier wrote:
>>>
>>>      
>>>>> There is work in progress for pci pass through capability. Besides
>>>>> PCI it also required to have pv dma or 1-1 mapping between the
>>>>> guest and the host.  Both will be released in the following
>>>>> month. NIC pass through works but I'm not sure about the features
>>>>> required from VGA pass through.  Dor.
>>>>>               
>>>> Perhaps if we use host IOMMU we don't need pv DMA ?
>>>>           
>>> Indeed, an IOMMU can provide the 1-1 mapping Dor mentioned above (or
>>> you can have both PV DMA and an IOMMU).
>>>
>>>      
>>>> How do you say to host to not manage a PCI devices and let the guest
>>>> managing it ?
>>>>           
>>> If the host driver is modular, it might be enough to just not load (or
>>> unload) it.
>>>
>>> Cheers,
>>> Muli
>>>       
>>
>> Thank you for your responses. I was curious, Dor, where could I take 
>> a look at this code?
>> I checked both sets of recent git logs and nothing popped out at me 
>> as being related. Is it still out-of-tree?
>>
>> Thanks again,
>>  - Tony
>>
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>
>


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