#!/bin/sh

case $(uname -m) in

    i?86|x86_64)

        grep vmx /proc/cpuinfo >/dev/null 2>&1 && vmx=1

        grep svm /proc/cpuinfo >/dev/null 2>&1 && svm=1

        if [ "$vmx" ] || [ "$svm" ]; then

            [ "$vmx" ] && modprobe -b kvm-intel >/dev/null 2>&1 && kvm=1

            [ "$svm" ] && modprobe -b kvm-amd >/dev/null 2>&1 && kvm=1

        fi

        ;;

    ppc64)

        grep OPAL  /proc/cpuinfo >/dev/null 2>&1 && opal=1

        if [ "$opal" ]; then

            modprobe -b kvm >/dev/null 2>&1 && kvm=1

        fi

        ;;

    s390x)

        modprobe -b kvm >/dev/null 2>&1 && kvm=1

        ;;

esac

if [ "$kvm" ]; then

    # no reason why vhost should not work with TCG, but currently it does not

    modprobe -b vhost-net >/dev/null 2>&1

else

    exit 0

fi