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Re: [vfio-users] Newbie steps



Yea, I have no idea what that means either. I'm just saying what I've
done in my setup and works for me.
Also, while that blog is pretty good, it's also a bit outdated. Maybe
you want to take a look at the Arch wiki page which is a bit more
updated.

https://wiki.archlinux.org/index.php/PCI_passthrough_via_OVMF#Using_vfio-pci

On Sun, Mar 12, 2017 at 8:33 AM, Patrick O'Callaghan <poc usb ve> wrote:
>
> On 11 March 2017 at 23:14, Francisco Menendez <aterfelis gmail com> wrote:
>>
>> I'm not a vfio expert either, but this looks wrong:
>>
>> > $ cat /etc/modprobe.d/local.conf
>> > options vfio-pci
>> > ids=10de:ffffffff:ffffffff:ffffffff:00030000:ffff00ff,10de:ffffffff:ffffffff:ffffffff:00040300:ffffffff
>> >
>>
>> the ids should be the ones you get from lspci -nn, which are usually
>> in the XXXX:XXXX format. Here's an example of my setup:
>>
>> 02:00.0 VGA compatible controller [0300]: NVIDIA Corporation GM204
>> [GeForce GTX 980] [10de:13c0] (rev a1)
>> 02:00.1 Audio device [0403]: NVIDIA Corporation GM204 High Definition
>> Audio Controller [10de:0fbb] (rev a1)
>>
>> See the the last hex digits? that's what you should pass to modprobe.
>
>
> The vfio options line is taken directly from
> https://vfio.blogspot.co.uk/2015/05/vfio-gpu-how-to-series-part-3-host.html
> (Alex's blog page) except that I have only one additional card rather than
> two, so my line is shorter. The 10de field is (perhaps coincidentally) the
> same as what Alex has, i.e. only the first four digits are present, but does
> correspond to my same digits of my Nvidia card. As I've no idea what the
> rest of the line represents, I just copied it, but if anyone has an
> explanation for what it means then by all means post a reference.
>
> poc


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