So close to GPU Passthrough!

Code:

pci_stub
vfio
vfio_iommu_type1
vfio_pci
kvm
kvm_intel

Code:

GRUB_CMDLINE_LINUX_DEFAULT="quiet splash intel_iommu=on vfio_iommu_type1.allow_unsafe_interrupts=1"

Code:

lspci -nn | grep NVIDIA
01:00.0 VGA compatible controller [0300]: NVIDIA Corporation GM206 [GeForce GTX 960] [10de:1401] (rev a1)
01:00.1 Audio device [0403]: NVIDIA Corporation Device [10de:0fba] (rev a1)
02:00.0 VGA compatible controller [0300]: NVIDIA Corporation GM206 [GeForce GTX 960] [10de:1401] (rev a1)
02:00.1 Audio device [0403]: NVIDIA Corporation Device [10de:0fba] (rev a1)

Code:

pci_stub ids=10de:1401,10de:0fba

Code:

[    2.069389] pci-stub: add 10DE:1401 sub=FFFFFFFF:FFFFFFFF cls=00000000/00000000
[    2.069396] pci-stub 0000:01:00.0: claimed by stub
[    2.069400] pci-stub 0000:02:00.0: claimed by stub
[    2.069401] pci-stub: add 10DE:0FBA sub=FFFFFFFF:FFFFFFFF cls=00000000/00000000
[    2.069404] pci-stub 0000:01:00.1: claimed by stub
[    2.069406] pci-stub 0000:02:00.1: claimed by stub

Code:

0000:01:00.0
0000:01:00.1

Code:

0000:02:00.0
0000:02:00.1

Code:

dd if=/dev/zero of=windows1.img bs=1M seek=160000 count=0

Code:

#!/bin/bash


configfile=/etc/vfio-pci1.cfg


vfiobind() {
    dev="$1"
        vendor=$(cat /sys/bus/pci/devices/$dev/vendor)
        device=$(cat /sys/bus/pci/devices/$dev/device)
        if [ -e /sys/bus/pci/devices/$dev/driver ]; then
                echo $dev > /sys/bus/pci/devices/$dev/driver/unbind
        fi
        echo $vendor $device > /sys/bus/pci/drivers/vfio-pci/new_id
}


modprobe vfio-pci


cat $configfile | while read line;do
    echo $line | grep ^# >/dev/null 2>&1 && continue
        vfiobind $line
done


sudo qemu-system-x86_64 -enable-kvm -M q35 -m 8192 -cpu host \
-smp 2,sockets=1,cores=2,threads=1 \
-bios /usr/share/seabios/bios.bin -vga none \
-device ioh3420,bus=pcie.0,addr=1c.0,multifunction=on,port=1,chassis=1,id=root.1 \
-device vfio-pci,host=01:00.0,bus=root.1,addr=00.0,multifunction=on,x-vga=on \
-device vfio-pci,host=01:00.1,bus=root.1,addr=00.1 \
-drive file=/home/mechacow/windows1.img,id=disk,format=raw,if=none -device ide-hd,bus=ide.1,drive=disk \
-drive file=/home/mechacow/win10.iso,id=isocd,format=raw,if=none -device ide-cd,bus=ide.0,drive=isocd \
-boot menu=on


exit 0

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So close to GPU Passthrough!