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 Also, while that blog is pretty good, it's also a bit outdated.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 <[email protected]> wrote: > > On 11 March 2017 at 23:14, Francisco Menendez <[email protected]> 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 _______________________________________________ vfio-users mailing list [email protected] https://www.redhat.com/mailman/listinfo/vfio-users
