#!/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/module/drivers/pci\:vfio-pci ]; then
                echo "Skipping $dev because it is already using the vfio-pci driver"
                continue;
        fi
        if [ -e /sys/bus/pci/devices/$dev/driver ]; then
                echo "Unbinding $dev"
                echo $dev > /sys/bus/pci/devices/$dev/driver/unbind
                echo "Unbound $dev"
        fi
        echo "Plugging $dev into vfio-pci"
        echo $vendor $device > /sys/bus/pci/drivers/vfio-pci/new_id
        echo "Plugged $dev into vfio-pci"
}

modprobe vfio-pci

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

qemu-system-x86_64 \
-enable-kvm \
-M q35 \
-m 8192 \
-cpu host,kvm=off \
-smp 4,sockets=1,cores=4,threads=1 \
-vga none \
-nographic \
-nodefaults \
-device ioh3420,bus=pcie.0,addr=1c.0,multifunction=on,port=1,chassis=1,id=root.1 \
-device vfio-pci,host=01:00.0,x-vga=on \
-device vfio-pci,host=01:00.1 \
-device virtio-scsi-pci,id=scsi \
-drive file=/home/shi/windows1.img,id=disk,format=raw,if=none -device scsi-hd,drive=disk \
-drive file=/home/shi/win10/win10.iso,id=isocd,format=raw,if=none -device scsi-cd,drive=isocd \
-boot strict=on

exit 0