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 $dmi variable).
dmi=`LANG=C dmidecode 2>&1`
fi
# Check for VirtualPC.
-
-if echo "$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
echo virtage
fi
-# Check for IBM SystemZ (z/VM, not tested whether this applies to Linux
-# installed directly into an LPAR, we may need a separate test).
+# Check for IBM SystemZ.
if grep -q '^vendor_id.*IBM/S390' $root/proc/cpuinfo; then
- echo zvm
+ 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
fi
# Check for Xen.
echo xen-domU
fi
is_xen=1
-elif [ -d $root/proc/xen ]; then
- # This directory can be present when Xen paravirt drivers are
- # installed, even on baremetal. Don't confuse people by
- # printing anything.
- :
+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
fi
# Check for QEMU/KVM.