X-Git-Url: http://git.annexia.org/?a=blobdiff_plain;f=virt-what.in;h=74ffab2cb57ccfafcfbb3629f4226832b9ec94d8;hb=3ea952163f0c28cd88f8473bb015df892c4247bf;hp=ebea7a17788fb9719a016948d4f3fcc6497017b3;hpb=9cc6eaf572ed11e355633491bdbd1a113ff80a54;p=virt-what.git

diff --git a/virt-what.in b/virt-what.in
index ebea7a1..74ffab2 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
@@ -43,19 +43,31 @@ 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 ;;
+        --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`
@@ -63,22 +75,48 @@ if [ "$uid" != 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`
+
+# Architecture.
+# Note for the purpose of testing, we only call uname with -p option.
+
+arch=`uname -p`
 
-dmi=`dmidecode 2>&1`
+# Check for VMware.
+# cpuid check added by Chetan Loke.
 
-if echo "$dmi" | grep -q 'Manufacturer: VMware'; then
+if [ "$cpuid" = "VMwareVMware" ]; then
     echo vmware
+elif echo "$dmi" | grep -q 'Manufacturer: VMware'; then
+    echo vmware
+fi
+
+# Check for Hyper-V.
+# http://blogs.msdn.com/b/sqlosteam/archive/2010/10/30/is-this-real-the-metaphysics-of-hardware-virtualization.aspx
+if [ "$cpuid" = "Microsoft Hv" ]; then
+    echo hyperv
 fi
 
-if echo "$dmi" | grep -q 'Manufacturer: Microsoft Corporation'; then
+# Check for VirtualPC.
+# The negative check for cpuid is to distinguish this from Hyper-V
+# which also has the same manufacturer string in the SM-BIOS data.
+if [ "$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 +127,105 @@ 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' $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.*HVM 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=1
+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=1
+elif [ -f $root/proc/xen/capabilities ]; then
+    echo xen
+    if grep -q "control_d" $root/proc/xen/capabilities; then
+        echo xen-dom0
+    else
+        echo xen-domU
+    fi
+    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.
-
-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