VFIO binding service

vfio-bind

#!/bin/sh
modprobe vfio-pci
for dev in "$@"; do
	echo Handling device "$dev"
	devpath="/sys/bus/pci/devices/$dev"
	if ! [ -d $devpath ]; then
		echo "$devpath doesn't exist"
		exit 1
	fi
	if [ -L $devpath/driver/module ]; then
		module=`basename "$(readlink $devpath/driver/module)"`
		if [ -n "`egrep ^vfio <<< $module`" ]; then
			echo vfio driver already loaded. Skipping $dev
			continue
		fi
	fi
        vendor=$(cat $devpath/vendor)
        device=$(cat $devpath/device)
	echo "Vendor: $vendor Device: $device"
        if [ -e /sys/bus/pci/devices/$dev/driver ]; then
                echo $dev > $devpath/driver/unbind
		echo Unbinding "$dev"
        fi
        echo $vendor $device > /sys/bus/pci/drivers/vfio-pci/new_id
	echo "Bound $dev to vfio"
done