KVM detection

# Configure shutdown

. /run/power.sh

KVM_OPTS=""

KVM_ERR=""

if [ -e /dev/kvm ] && sh -c 'echo -n > /dev/kvm' &> /dev/null; then

  if grep -q -e vmx -e svm /proc/cpuinfo; then

    KVM_OPTS=",accel=kvm -enable-kvm -cpu host"

  if ! grep -q -e vmx -e svm /proc/cpuinfo; then

    KVM_ERR="(cpuinfo $(grep -c -e vmx -e svm /proc/cpuinfo))"

  fi

else

  [ -e /dev/kvm ] && KVM_ERR="(no write access)" || KVM_ERR="(device file missing)"

fi

if [ -z "${KVM_OPTS}" ]; then

  echo "Error: KVM acceleration is disabled.."

if [ -n "${KVM_ERR}" ]; then

  echo "Error: KVM acceleration not detected ${KVM_ERR}, please enable it."

  [ "$DEBUG" != "Y" ] && exit 88

fi

KVM_OPTS=",accel=kvm -enable-kvm -cpu host"

DEF_OPTS="-nographic -nodefaults -boot strict=on -display none"

RAM_OPTS=$(echo "-m ${RAM_SIZE}" | sed 's/MB/M/g;s/GB/G/g;s/TB/T/g')

CPU_OPTS="-smp ${CPU_CORES},sockets=1,dies=1,cores=${CPU_CORES},threads=1"

KVM_OPTS="-machine type=q35,usb=off,dump-guest-core=off,hpet=off${KVM_OPTS}"

MAC_OPTS="-machine type=q35,usb=off,dump-guest-core=off,hpet=off${KVM_OPTS}"

EXTRA_OPTS="-device virtio-balloon-pci,id=balloon0,bus=pcie.0,addr=0x4"

EXTRA_OPTS="$EXTRA_OPTS -object rng-random,id=objrng0,filename=/dev/urandom"

EXTRA_OPTS="$EXTRA_OPTS -device virtio-rng-pci,rng=objrng0,id=rng0,bus=pcie.0,addr=0x1c"

ARGS="${DEF_OPTS} ${CPU_OPTS} ${RAM_OPTS} ${KVM_OPTS} ${MON_OPTS} ${SERIAL_OPTS} ${NET_OPTS} ${DISK_OPTS} ${EXTRA_OPTS}"

ARGS="${DEF_OPTS} ${CPU_OPTS} ${RAM_OPTS} ${MAC_OPTS} ${MON_OPTS} ${SERIAL_OPTS} ${NET_OPTS} ${DISK_OPTS} ${EXTRA_OPTS}"

ARGS=$(echo "$ARGS" | sed 's/\t/ /g' | tr -s ' ')

if [ "$DEBUG" = "Y" ]; then