Add detection of Red Hat Enterprise Virtualization hypervisor (RHBZ#1249438).

[virt-what.git] / virt-what.in

diff --git a/virt-what.in b/virt-what.in
index f2c0b90..761fc1b 100644 (file)
--- 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
@@ -30,19 +30,20 @@
 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"
@@ -53,16 +54,16 @@ usage() {
 # Handle the command line arguments, if any.
 while test $# -gt 0; do
     case "$1" in
-       --help) usage ;;
+        --help) usage ;;
         --test-root=*)
             # Deliberately undocumented: used for 'make check'.
             root=$(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 "unrecognized option '$1'";;
+        -v|--version) echo "$VERSION"; exit 0 ;;
+        --) shift; break ;;
+        *) fail "unrecognized option '$1'";;
     esac
 done
 test $# -gt 0 && fail "extra operand '$1'"
@@ -93,16 +94,16 @@ fi
 cpuid=$(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.
@@ -202,6 +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 [ "$cpuid" = "XenVMMXenVMM" ]; then
@@ -215,12 +224,20 @@ elif [ -d "${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.
@@ -247,19 +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