set -u
root=''
skip_qemu_kvm=false
+skip_lkvm=false
VERSION="@VERSION@"
-have_cpuinfo() {
+have_cpuinfo () {
test -e "${root}/proc/cpuinfo"
}
-fail() {
+fail () {
echo "virt-what: $1" >&2
exit 1
}
-usage() {
+usage () {
echo "virt-what [options]"
echo "Options:"
echo " --help Display this help"
}
# Handle the command line arguments, if any.
-
-TEMP=$(getopt -o v --long help --long version --long test-root: -n 'virt-what' -- "$@")
-if [ $? != 0 ]; then exit 1; fi
-eval set -- "$TEMP"
-
-while true; do
+while test $# -gt 0; do
case "$1" in
--help) usage ;;
- --test-root)
+ --test-root=*)
# Deliberately undocumented: used for 'make check'.
- root="$2"
- shift 2
+ root=$(echo "$1" | sed 's/.*=//')
+ shift 1
+ test -z "$root" && fail "--test-root option requires a value"
;;
-v|--version) echo "$VERSION"; exit 0 ;;
--) shift; break ;;
- *) fail "internal error ($1)" ;;
+ *) fail "unrecognized option '$1'";;
esac
done
+test $# -gt 0 && fail "extra operand '$1'"
# Add /sbin and /usr/sbin to the path so we can find system
# binaries like dmidecode.
# Architecture.
# Note for the purpose of testing, we only call uname with -p option.
-arch=$(uname -p)
+arch=$(uname -p | sed -e 's/i.86/i386/' | sed -e 's/arm.*/arm/')
# Check for VMware.
# cpuid check added by Chetan Loke.
echo xen-domU
fi
skip_qemu_kvm=true
+ skip_lkvm=true
elif [ -f "${root}/sys/hypervisor/type" ] &&
grep -q "xen" "${root}/sys/hypervisor/type"; then
# Ordinary kernel with pv_ops. There does not seem to be
# enough information at present to tell whether this is dom0
# or domU. XXX
echo xen
+elif [ "$arch" = "arm" ] || [ "$arch" = "aarch64" ]; then
+ if [ -d "${root}/proc/device-tree/hypervisor" ] &&
+ grep -q "xen" "${root}/proc/device-tree/hypervisor/compatible"; then
+ echo xen
+ skip_qemu_kvm=true
+ skip_lkvm=true
+ fi
elif [ "$arch" = "ia64" ]; then
if [ -d "${root}/sys/bus/xen" -a ! -d "${root}/sys/bus/xen-backend" ]; then
# PV-on-HVM drivers installed in a Xen guest.
if ! "$skip_qemu_kvm"; then
if [ "$cpuid" = "KVMKVMKVM" ]; then
echo kvm
+ elif [ "$arch" = "arm" ] || [ "$arch" = "aarch64" ]; then
+ if [ -d "${root}/proc/device-tree" ] &&
+ ls "${root}/proc/device-tree" | grep -q "fw-cfg"; then
+ # We don't have enough information to determine if we're
+ # using KVM acceleration or not.
+ echo qemu
+ skip_lkvm=true
+ fi
else
# XXX This is known to fail for qemu with the explicit -cpu
# option, since /proc/cpuinfo will not contain the QEMU
fi
fi
+if ! "$skip_lkvm"; then
+ if [ "$cpuid" = "LKVMLKVMLKVM" ]; then
+ echo lkvm
+ elif [ "$arch" = "arm" ] || [ "$arch" = "aarch64" ]; then
+ if [ -d "${root}/proc/device-tree" ] &&
+ grep -q "dummy-virt" "${root}/proc/device-tree/compatible"; then
+ echo lkvm
+ fi
+ fi
+fi
+
# Check for Docker.
if [ -f "${root}/.dockerinit" ]; then
echo docker