X-Git-Url: http://git.annexia.org/?a=blobdiff_plain;f=virt-what.in;h=4b6d3b84570cb406b49ff99ef4ad9ed8b36b2135;hb=eab67e2c2d9fcf75f9600b21f68f8cfe5129d67e;hp=ebea7a17788fb9719a016948d4f3fcc6497017b3;hpb=9cc6eaf572ed11e355633491bdbd1a113ff80a54;p=virt-what.git diff --git a/virt-what.in b/virt-what.in index ebea7a1..4b6d3b8 100644 --- a/virt-what.in +++ b/virt-what.in @@ -1,6 +1,6 @@ #!/bin/bash - # @configure_input@ -# Copyright (C) 2008-2009 Red Hat Inc. +# Copyright (C) 2008-2011 Red Hat Inc. # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by @@ -26,10 +26,15 @@ # The following resources were useful in writing this script: # . http://www.dmo.ca/blog/20080530151107 +# Do not allow unset variables, and set defaults. +set -u +root='' +skip_qemu_kvm=false + VERSION="@VERSION@" function fail { - echo "virt-what: $1" + echo "virt-what: $1" >&2 exit 1 } @@ -43,42 +48,79 @@ function usage { # Handle the command line arguments, if any. -TEMP=`getopt -o v --long help --long version -n 'virt-what' -- "$@"` +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 ;; - -v|--version) echo $VERSION; exit 0 ;; + --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:${PATH}" + # Check we're running as root. -uid=`id -u` -if [ "$uid" != 0 ]; then +if [ "x$root" = "x" ] && [ "$EUID" -ne 0 ]; then fail "this script must be run as root" fi -PATH=/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) -dmi=`dmidecode 2>&1` +# Architecture. +# Note for the purpose of testing, we only call uname with -p option. -if echo "$dmi" | grep -q 'Manufacturer: VMware'; then +arch=$(uname -p) + +# Check for VMware. +# cpuid check added by Chetan Loke. + +if [ "$cpuid" = "VMwareVMware" ]; then + echo vmware +elif echo "$dmi" | grep -q 'Manufacturer: VMware'; then echo vmware fi -if echo "$dmi" | grep -q 'Manufacturer: Microsoft Corporation'; then +# Check for Hyper-V. +# http://blogs.msdn.com/b/sqlosteam/archive/2010/10/30/is-this-real-the-metaphysics-of-hardware-virtualization.aspx +if [ "$cpuid" = "Microsoft Hv" ]; then + echo hyperv +fi + +# Check for VirtualPC. +# 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 # Check for VirtualBox. - +# Added by Laurent Léonard. if echo "$dmi" | grep -q 'Manufacturer: innotek GmbH'; then echo virtualbox fi @@ -89,49 +131,119 @@ fi # container) # /proc/bc - exists on node, but not inside container. -if [ -d /proc/vz -a ! -d /proc/bc ]; then +if [ -d "${root}/proc/vz" -a ! -d "${root}/proc/bc" ]; then echo openvz fi +# Check for LXC containers +# http://www.freedesktop.org/wiki/Software/systemd/ContainerInterface +# Added by Marc Fournier + +if [ -e "${root}/proc/1/environ" ] && + cat "${root}/proc/1/environ" | tr '\000' '\n' | grep -Eiq '^container='; then + echo lxc +fi + +# Check for Linux-VServer +if cat "${root}/proc/self/status" | grep -q "VxID: [0-9]*"; then + echo linux_vserver + if grep -q "VxID: 0$" "${root}/proc/self/status"; then + echo linux_vserver-host + else + echo linux_vserver-guest + fi +fi + # Check for UML. +# Added by Laurent Léonard. +if grep -q 'UML' "${root}/proc/cpuinfo"; then + echo uml +fi -if grep -q 'UML' /proc/cpuinfo; then -    echo uml +# Check for IBM PowerVM Lx86 Linux/x86 emulator. +if grep -q '^vendor_id.*PowerVM Lx86' "${root}/proc/cpuinfo"; then + echo powervm_lx86 fi -# To tell if it is Xen and KVM HVM (fully virtualized) we can use this -# helper C program. +# Check for Hitachi Virtualization Manager (HVM) Virtage logical partitioning. +if echo "$dmi" | grep -q 'Manufacturer.*HITACHI' && + echo "$dmi" | grep -q 'Product.* LPAR'; then + echo virtage +fi -cpuid=`virt-what-cpuid-helper` +# 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 "$dmi" | grep -q 'Vendor: Parallels'; then + echo parallels + skip_qemu_kvm=true +fi # Check for Xen. if [ "$cpuid" = "XenVMMXenVMM" ]; then echo xen; echo xen-hvm - is_xen=1 -elif [ -f /proc/xen/privcmd ]; then - echo xen; echo xen-dom0 - is_xen=1 -elif [ -f /proc/xen/capabilities ]; then - echo xen; echo xen-domU - 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=true +elif [ -d "${root}/proc/xen" ]; then + echo xen + if grep -q "control_d" "${root}/proc/xen/capabilities" 2>/dev/null; then + echo xen-dom0 + else + echo xen-domU + fi + skip_qemu_kvm=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 [ "$arch" = "ia64" ]; then + if [ -d "${root}/sys/bus/xen" -a ! -d "${root}/sys/bus/xen-backend" ]; then + # PV-on-HVM drivers installed in a Xen guest. + echo xen + echo xen-hvm + else + # There is no virt leaf on IA64 HVM. This is a last-ditch + # attempt to detect something is virtualized by using a + # timing attack. + virt-what-ia64-xen-rdtsc-test > /dev/null 2>&1 + case "$?" 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. - -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 +# +# 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 ! "$skip_qemu_kvm"; then + if [ "$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