Re: [PATCH RESENT 02/12] libxl: PCI passthrough support

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Jim Fehlig wrote:
> Daniel P. Berrange wrote:
>   
>> On Wed, Apr 10, 2013 at 04:44:43AM +0200, Marek Marczykowski wrote:
>>   
>>     
>>> ---
>>>  src/libxl/libxl_conf.c | 72 ++++++++++++++++++++++++++++++++++++++++++++++++++
>>>  src/libxl/libxl_conf.h |  2 ++
>>>  2 files changed, 74 insertions(+)
>>>     
>>>       
>> This needs todo more than just create the config. You need to use
>> the libvirt PCI APIs to validate that it is safe to assign the
>> devices requested, and track which devices are given to which
>> guest, to avoid concurrent assignemnt to 2 guests. Basically I'd
>> expect this to borrow all the code currently in the QMEU driver
>> related to the 'activePciHostdevs' and 'inactivePciHostdevs'
>> data structures.
>>   
>>     
>
> Right.  Chunyan already posted such a patch series [1], but Laine noted
> that it would be useful to maintain the state of PCI device assignment
> for coordination among multiple drivers.  Chunyan posted a design [2]
> for a "hostdev passthrough driver", and IIRC she has started coding
> after receiving feedback from the list.
>   

I see that Chunyan has now posted patches for this work

https://www.redhat.com/archives/libvir-list/2013-May/msg01162.html

Could you can help review and test those?

Regards,
Jim
 
> Regards,
> Jim
>
> [1] https://www.redhat.com/archives/libvir-list/2013-January/msg00697.html
> [2] https://www.redhat.com/archives/libvir-list/2013-March/msg01331.html
>
>   

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