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#! /bin/sh
### BEGIN INIT INFO
# Provides: qemu-system-x86
# Required-Start: mountkernfs
# Required-Stop:
# Should-Start: udev devfsd
# Should-Stop:
# Default-Start: S
# Default-Stop:
# Short-Description: QEMU KVM module loading script
# Description: This script loads the kernel modules needed by QEMU KVM
### END INIT INFO
case "$1" in
start|restart|force-reload)
[ ! -e /dev/kvm ] || exit 0 # nothing to do
# kernel 3.4+ autoloads modules
case "$(uname -r 2>/dev/null)" in
3.[4-9]* | 3.[1-9][0-9]* | [4-9].*) exit 0 ;;
esac
# check if we're running inside an (lxc) container
# (we may copy or move this to the postinst script too, to skip installing it)
grep -zqs ^container= /proc/1/environ && exit 0
. /lib/lsb/init-functions
if grep -q '^flags.*\<vmx\>' /proc/cpuinfo; then
module=kvm_intel
elif grep -q '^flags.*\<svm\>' /proc/cpuinfo; then
module=kvm_amd
else
log_warning_msg "Your system does not have support for KVM"
exit 0
fi
if ! which modprobe >/dev/null; then
log_warning_msg "modprobe isn't installed, not loading kvm modules."
exit 0
fi
if modprobe -b $module ; then
log_success_msg "Loading kvm module $module"
else
log_failure_msg "Module $module failed to load"
exit 1
fi
if modprobe -b vhost-net ; then
log_warning_msg "Module vhost-net failed to load"
fi
;;
stop)
;;
*)
echo "Usage: $0 {start|stop|restart|force-reload}" >&2
exit 3
;;
esac
:
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