X-Git-Url: http://git.annexia.org/?a=blobdiff_plain;f=virt-what.in;h=761fc1bb0a185f4afc2b78ee61c691f8b18c3070;hb=73f639241174bde5066838ed67e959ef047da144;hp=1532b9087cc180108b4c2981d7753c37c697d028;hpb=6382ef1cb5b8c146bfd35912730dccd68ab4b71a;p=virt-what.git diff --git a/virt-what.in b/virt-what.in index 1532b90..761fc1b 100644 --- a/virt-what.in +++ b/virt-what.in @@ -1,6 +1,6 @@ #!/bin/sh - # @configure_input@ -# Copyright (C) 2008-2011 Red Hat Inc. +# Copyright (C) 2008-2015 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 @@ -30,15 +30,20 @@ set -u root='' skip_qemu_kvm=false +skip_lkvm=false VERSION="@VERSION@" -fail() { +have_cpuinfo () { + test -e "${root}/proc/cpuinfo" +} + +fail () { echo "virt-what: $1" >&2 exit 1 } -usage() { +usage () { echo "virt-what [options]" echo "Options:" echo " --help Display this help" @@ -47,24 +52,21 @@ usage() { } # Handle the command line arguments, if any. - -TEMP=$(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) + --help) usage ;; + --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 ($1)" ;; + -v|--version) echo "$VERSION"; exit 0 ;; + --) shift; break ;; + *) fail "unrecognized option '$1'";; esac done +test $# -gt 0 && fail "extra operand '$1'" # Add /sbin and /usr/sbin to the path so we can find system # binaries like dmidecode. @@ -74,27 +76,34 @@ exec_prefix=@exec_prefix@ PATH="${root}@libexecdir@:${root}/sbin:${root}/usr/sbin:${PATH}" # Check we're running as root. +EFFUID=$(id -u) || fail "failed to get current user id" -if [ "x$root" = "x" ] && [ "$EUID" -ne 0 ]; then +if [ "x$root" = "x" ] && [ "$EFFUID" -ne 0 ]; then fail "this script must be run as root" fi +# Try to locate the CPU-ID helper program +CPUID_HELPER=$(which virt-what-cpuid-helper 2>/dev/null) +if [ -z "$CPUID_HELPER" ] ; then + fail "virt-what-cpuid-helper program not found in \$PATH" +fi + # 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). +# Note that dmidecode doesn't exist on all architectures. On the ones +# it does not, then this will return an error, which is ignored (error +# message redirected into the $dmi variable). dmi=$(LANG=C dmidecode 2>&1) # Architecture. # Note for the purpose of testing, we only call uname with -p option. -arch=$(uname -p) +arch=$(uname -p | sed -e 's/i.86/i386/' | sed -e 's/arm.*/arm/') # Check for VMware. # cpuid check added by Chetan Loke. @@ -145,7 +154,8 @@ if [ -e "${root}/proc/1/environ" ] && fi # Check for Linux-VServer -if cat "${root}/proc/self/status" | grep -q "VxID: [0-9]*"; then +if test -e "${root}/proc/self/status" \ + && cat "${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 @@ -156,12 +166,13 @@ fi # Check for UML. # Added by Laurent Léonard. -if grep -q 'UML' "${root}/proc/cpuinfo"; then +if have_cpuinfo && grep -q 'UML' "${root}/proc/cpuinfo"; then echo uml fi # Check for IBM PowerVM Lx86 Linux/x86 emulator. -if grep -q '^vendor_id.*PowerVM Lx86' "${root}/proc/cpuinfo"; then +if have_cpuinfo && grep -q '^vendor_id.*PowerVM Lx86' "${root}/proc/cpuinfo" +then echo powervm_lx86 fi @@ -172,7 +183,7 @@ if echo "$dmi" | grep -q 'Manufacturer.*HITACHI' && fi # Check for IBM SystemZ. -if grep -q '^vendor_id.*IBM/S390' "${root}/proc/cpuinfo"; then +if have_cpuinfo && 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' "${root}/proc/sysinfo"; then @@ -192,6 +203,14 @@ if echo "$dmi" | grep -q 'Vendor: Parallels'; then skip_qemu_kvm=true fi +# Check for oVirt/RHEV. +if echo "$dmi" | grep -q 'Manufacturer: oVirt'; then + echo ovirt +fi +if echo "$dmi" | grep -q 'Product Name: RHEV Hypervisor'; then + echo rhev +fi + # Check for Xen. if [ "$cpuid" = "XenVMMXenVMM" ]; then @@ -205,12 +224,20 @@ elif [ -d "${root}/proc/xen" ]; then 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 "${root}/sys/bus/xen-backend" ]; then # PV-on-HVM drivers installed in a Xen guest. @@ -237,19 +264,70 @@ fi if ! "$skip_qemu_kvm"; then if [ "$cpuid" = "KVMKVMKVM" ]; then - echo kvm + echo kvm + elif echo "$dmi" | grep -q 'Product Name: KVM'; then + echo kvm + skip_lkvm=true + elif echo "$dmi" | grep -q 'Manufacturer: QEMU'; then + # The test for KVM above failed, so now we know we're + # not using KVM acceleration. + echo qemu + skip_lkvm=true + elif [ "$arch" = "arm" ] || [ "$arch" = "aarch64" ]; then + if [ -d "${root}/proc/device-tree" ] && + ls "${root}/proc/device-tree" | grep -q "fw-cfg"; then + # We don't have enough information to determine if we're + # using KVM acceleration or not. + echo qemu + skip_lkvm=true + fi else # XXX This is known to fail for qemu with the explicit -cpu # option, since /proc/cpuinfo will not contain the QEMU # string. The long term fix for this would be to export # another CPUID leaf for non-accelerated qemu. if grep -q 'QEMU' "${root}/proc/cpuinfo"; then - echo qemu - fi + echo qemu + fi + 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 "${root}/.dockerinit" ]; then - echo docker + echo docker +fi + +# Check ppc64 lpar, kvm or powerkvm + +# example /proc/cpuinfo line indicating 'not baremetal' +# platform : pSeries +# +# example /proc/ppc64/lparcfg systemtype line +# system_type=IBM pSeries (emulated by qemu) + +if [ "$arch" = "ppc64" ]; then + if have_cpuinfo && grep -q 'platform.**pSeries' "${root}/proc/cpuinfo"; then + if grep -q 'model.*emulated by qemu' "${root}/proc/cpuinfo"; then + echo ibm_power-kvm + else + # Assume LPAR, now detect shared or dedicated + if grep -q 'shared_processor_mode=1' "${root}/proc/ppc64/lparcfg"; then + echo ibm_power-lpar_shared + else + echo ibm_power-lpar_dedicated + fi + # detect powerkvm? + fi + fi fi