Windows XP QEMU virtual machine startup script with KVM, VDE networking & Samba

windows_xp.sh

#!/bin/sh
TAP_INTERFACE="tap0"
IMAGE_DIR="/media/files/virtual"
ARGS="-enable-kvm -drive file=$IMAGE_DIR/winxp.img,index=0,cache=writeback,media=disk -boot c -net nic,vlan=0,macaddr=52:54:00:00:EE:02,model=rtl8139 -net vde,vlan=0 -m 1024 -localtime -usbdevice tablet -vga std -smb qemu -cpu Nehalem"

if [ "$(lsmod | grep kvm | wc -l)" -eq 0 ]
then
    echo "Loading KVM modules..."
    sudo modprobe kvm
    sudo modprobe kvm-intel
fi

if [ "$(lsmod | grep tun | wc -l)" -eq 0 ]
then
    echo "Loading TUN/TAP module..."
    sudo modprobe tun

    echo "Bringing up $TAP_INTERFACE..."
    sudo ifconfig $TAP_INTERFACE up
fi

# Checking for VDE switch
if [ ! "$(pidof vde_switch)" ]
then
    echo "Starting VDE-switch..."
    sudo vde_switch -daemon -mod 660 -group kvm -hub -tap $TAP_INTERFACE
fi

# Checking for VDE config-daemon
if [ ! "$(pidof slirpvde)" ]
then
    echo "Starting VDE config-daemon"
    sudo slirpvde --dhcp --daemon
fi

# Checking for Samba
if [ ! "$(pidof smbd)" ]
then
    echo "Starting Samba..."
    sudo /etc/rc.d/samba start
fi

echo "Starting QEMU with..."
echo $ARGS
echo "...."
exec qemu-system-x86_64 $ARGS