# Handle the command line arguments, if any.
-TEMP=`getopt -o v --long help --long version -n 'virt-what' -- "$@"`
+TEMP=`getopt -o v --long help --long version --long test-root: -n 'virt-what' -- "$@"`
if [ $? != 0 ]; then exit 1; fi
eval set -- "$TEMP"
while true; do
case "$1" in
--help) usage ;;
+ --test-root)
+ # Deliberately undocumented: used for 'make check'.
+ root="$2"
+ shift 2
+ ;;
-v|--version) echo $VERSION; exit 0 ;;
--) shift; break ;;
- *) fail "internal error" ;;
+ *) fail "internal error ($1)" ;;
esac
done
+# Add /sbin and /usr/sbin to the path so we can find system
+# binaries like dmicode.
+# Add /usr/libexec to the path so we can find the helper binary.
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+PATH=$root@libexecdir@:$root/sbin:$root/usr/sbin:$PATH
+
# Check we're running as root.
uid=`id -u`
fail "this script must be run as root"
fi
-# Add /sbin and /usr/sbin to the path so we can find system
-# binaries like dmicode.
-# Add /usr/libexec to the path so we can find the helper binary.
-prefix=@prefix@
-exec_prefix=@exec_prefix@
-PATH=@libexecdir@:/sbin:/usr/sbin:$PATH
-
# Many fullvirt hypervisors give an indication through CPUID. Use the
# helper program to get this information.
cpuid=`virt-what-cpuid-helper`
# Check for various products in the BIOS information.
+# Note that dmidecode doesn't exist on non-PC architectures. On these,
+# this will return an error which is ignored (error message redirected
+# into $dmi variable).
dmi=`LANG=C dmidecode 2>&1`
+# Architecture.
+# Note for the purpose of testing, we only call uname with -p option.
+
+arch=`uname -p`
+
# Check for VMware.
# cpuid check added by Chetan Loke.
fi
# Check for VirtualPC.
-
-if echo "$dmi" | grep -q 'Manufacturer: Microsoft Corporation'; then
+# The negative check for cpuid is to distinguish this from Hyper-V
+# which also has the same manufacturer string in the SM-BIOS data.
+if [ "$cpuid" != "Microsoft Hv" ] &&
+ echo "$dmi" | grep -q 'Manufacturer: Microsoft Corporation'; then
echo virtualpc
fi
# container)
# /proc/bc - exists on node, but not inside container.
-if [ -d /proc/vz -a ! -d /proc/bc ]; then
+if [ -d $root/proc/vz -a ! -d $root/proc/bc ]; then
echo openvz
fi
+# Check for Linux-VServer
+if cat $root/proc/self/status | grep -q "VxID: [0-9]*"; then
+ echo linux_vserver
+fi
+
# Check for UML.
# Added by Laurent Léonard.
-if grep -q 'UML' /proc/cpuinfo; then
+if grep -q 'UML' $root/proc/cpuinfo; then
echo uml
fi
# Check for IBM PowerVM Lx86 Linux/x86 emulator.
-if grep -q '^vendor_id.*PowerVM Lx86' /proc/cpuinfo; then
+if grep -q '^vendor_id.*PowerVM Lx86' $root/proc/cpuinfo; then
echo powervm_lx86
fi
echo virtage
fi
+# Check for IBM SystemZ.
+if grep -q '^vendor_id.*IBM/S390' $root/proc/cpuinfo; then
+ echo ibm_systemz
+ if [ -f $root/proc/sysinfo ]; then
+ if grep -q 'VM.*Control Program.*z/VM' $root/proc/sysinfo; then
+ echo ibm_systemz-zvm
+ elif grep -q '^LPAR' $root/proc/sysinfo; then
+ echo ibm_systemz-lpar
+ else
+ # This is unlikely to be correct.
+ echo ibm_systemz-direct
+ fi
+ fi
+fi
+
+# Check for Parallels.
+if echo "$dmi" | grep -q 'Vendor: Parallels'; then
+ echo parallels
+ skip_qemu_kvm=1
+fi
+
# Check for Xen.
if [ "$cpuid" = "XenVMMXenVMM" ]; then
echo xen; echo xen-hvm
- is_xen=1
-elif [ -f /proc/xen/capabilities ]; then
+ skip_qemu_kvm=1
+elif [ -f $root/proc/xen/capabilities ]; then
echo xen
- if grep -q "control_d" /proc/xen/capabilities; then
+ if grep -q "control_d" $root/proc/xen/capabilities; then
echo xen-dom0
else
echo xen-domU
fi
- is_xen=1
-elif [ -d /proc/xen ]; then
- # This directory can be present when Xen paravirt drivers are
- # installed, even on baremetal. Don't confuse people by
- # printing anything.
- :
+ skip_qemu_kvm=1
+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" = "ia64" ]; then
+ if [ -d $root/sys/bus/xen -a ! -d $root/sys/bus/xen-backend ]; then
+ # PV-on-HVM drivers installed in a Xen guest.
+ echo xen
+ echo xen-domU
+ else
+ # There is no virt leaf on IA64 HVM. This is a last-ditch
+ # attempt to detect something is virtualized by using a
+ # timing attack.
+ virt-what-ia64-xen-rdtsc-test > /dev/null 2>&1
+ case "$?" in
+ 0) ;; # not virtual
+ 1) # Could be some sort of virt, or could just be a bit slow.
+ echo virt
+ esac
+ fi
fi
# Check for QEMU/KVM.
+#
+# Parallels exports KVMKVMKVM leaf, so skip this test if we've already
+# seen that it's Parallels. Xen uses QEMU as the device model, so
+# skip this test if we know it is Xen.
-if [ ! "$is_xen" ]; then
- # Disable this test if we know this is Xen already, because Xen
- # uses QEMU for its device model.
-
- if grep -q 'QEMU' /proc/cpuinfo; then
- if [ "$cpuid" = "KVMKVMKVM" ]; then
- echo kvm
- else
+if [ ! "$skip_qemu_kvm" ]; then
+ if [ "$cpuid" = "KVMKVMKVM" ]; then
+ echo kvm
+ else
+ # XXX This is known to fail for qemu with the explicit -cpu
+ # option, since /proc/cpuinfo will not contain the QEMU
+ # string. The long term fix for this would be to export
+ # another CPUID leaf for non-accelerated qemu.
+ if grep -q 'QEMU' $root/proc/cpuinfo; then
echo qemu
fi
fi
git.annexia.org / virt-what.git / blobdiff