flipdriver

#!/usr/bin/bash

if [ "$EUID" != "0" ];
then
    echo "Please run as root."
    exit
fi

driver="$1"
shift

while [[ $# > 0 ]];
do

    dev="0000:$1"
    shift

    if [ -z $driver ] | [ -z $dev ];
    then
        exit 1
    fi

    vendor=$(cat /sys/bus/pci/devices/${dev}/vendor)
    device=$(cat /sys/bus/pci/devices/${dev}/device)

    echo -n Unbinding $vendor:$device ...

    if [ -e /sys/bus/pci/devices/${dev}/driver ]; then
        echo ${dev} > /sys/bus/pci/devices/${dev}/driver/unbind
        while [ -e /sys/bus/pci/devices/${dev}/driver ]; do
            sleep 0.5
            echo -n .
        done
    fi
    echo " OK!"

    echo -n Binding \'$driver\' to $vendor:$device ...
    echo ${vendor} ${device} > /sys/bus/pci/drivers/${driver}/new_id

    echo " OK!"

done

exit 0