[vfio-users] Integrated GPU Passthrough help please!

[daggs]

this is what I'm using now for the pt: -device vfio-pci,host=0000:00:02.0,id=hostdev1,bus=pci.7,addr=0x0,romfile=/home/streamer/gpu-8086:5902-uefi.rom

> Sent: Sunday, March 07, 2021 at 9:17 AM
> From: "daggs" <daggs at gmx.com>
> To: "Neil McCreery" <neilmccreery at yahoo.com>
> Cc: vfio-users at redhat.com
> Subject: Re: [vfio-users] Integrated GPU Passthrough help please!
>
> Greetings Neil,
>
> > Sent: Friday, March 05, 2021 at 9:31 PM
> > From: "Neil McCreery" <neilmccreery at yahoo.com>
> > To: vfio-users at redhat.com
> > Subject: [vfio-users] Integrated GPU Passthrough help please!
> >
> > Z270 Extreme4 Mobo vt-d compatiable, UEFI, etc.
> > i7-7700k CPU
> > Intel HD Graphics 630
> >
> > BIOS Settings
> > UEFI Mode
> > virtualization mode on (VT-d)
> > Onboard video as primary monitor
> > ...
> >
> > As I said, these boot/hang to varying degrees but the best I can do is a successful boot, successful network connection, can see IGD in Device Manager but shows Code 43 no matter what I do.
> >
> > What am I missing? I know this CPU/Mobo/Software is capable of this I just can't get it quite right. Any help anyone can offer is very much appreciated. I don't know all the lingo yet so go easy on me. Thanks!
> >
>
> I'm using a similar setup based on an G4560, I use q35 with uefi guest running libreelec passing the igp (Intel HD Graphics 610) to it without any issue for some time now.
> use rom parser from https://github.com/awilliam/rom-parser to dump the igp's rom and fix the vid and did if needed to match yours.
> I'm using libvirt for the invocation however it did worked when I used the binary as it with this line:
> qemu-system-x86_64 -machine pc-q35-5.0 -cpu host -accel kvm -m 2046 -smp 2,sockets=1,cores=1,threads=2 -drive file=/home/streamer/streamer.qcow2,if=virtio,format=qcow2 -device vfio-pci,host=0000:00:02.0,romfile=/home/streamer/gpu-8086:5902-legacy.rom,multifunction=on -device vfio-pci,host=0000:00:1f.3,multifunction=on -usb -device usb-host,vendorid=0x046d,productid=0xc52e -nographic
>
> try and see if it works for you.
>
>
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