Re: [dpdk-dev] Hotplug support for VFIO

[Alejandro Lucero <alejandro.lucero@netronome.com>]

It seems none is working on this VFIO support.

I will work on this if there is no reply to this thread saying the opposite
the next days.

On Thu, Feb 2, 2017 at 12:58 PM, Eelco Chaudron <echaudron@redhat.com>
wrote:

> On 02/02/17 13:05, Burakov, Anatoly wrote:
>
>> Hi Eelco,
>>
>> Please forgive me my ignorance on this matter, but doesn't it work at the
>> moment? I would assume that if regular PCI hotplug works (with igb_uio),
>> then so would hotplug with VFIO, as it basically utilizes the same PCI
>> infrastructure igb_uio does. That said, I'm not aware of any patches
>> submitted that had to do with VFIO and hotplug, so I guess the answer is,
>> not at the moment.
>>
>> Thanks,
>> Anatoly
>>
> I was asking as the documentation explicitly mentions its not supported.
> http://dpdk.org/doc/guides/prog_guide/port_hotplug_framework.html#hotplug
>
> - "To detach a port, the port should be backed by a device that igb_uio
> manages. VFIO is not supported."
>
> I could not find any specific reason why it's not supported, so if some
> one can explain this it would help also...
>
> Cheers,
>
> Eelco
>
>
>