2 # supernested Makefile.am
4 # (C) Copyright 2014 Red Hat Inc.
6 # This program is free software; you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation; either version 2 of the License, or
9 # (at your option) any later version.
11 # This program is distributed in the hope that it will be useful,
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 # GNU General Public License for more details.
16 # You should have received a copy of the GNU General Public License
17 # along with this program; if not, write to the Free Software
18 # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 # Written by Richard W.M. Jones <rjones@redhat.com>
23 image="supernested-@VERSION@-@DISTRO@.qcow2"
27 append="panic=1 console=ttyS0 udevtimeout=6000 no_timer_check printk.time=1 root=/dev/sda selinux=0"
33 --longoptions 'help,nested,smp:,tcg' \
34 -n run-supernested.sh -- "$@"`
36 echo "$0: problem parsing the command line arguments"
43 echo "$0: Run the supernested appliance."
44 echo " $0 [--smp=N] [--tcg]"
46 echo " --smp=N Use N virtual CPUs (at all levels)."
47 echo " --tcg Use TCG (at all levels) instead of KVM."
53 # When the nested guest calls this script, it uses the
54 # --nested flag. DO NOT ADD THIS FLAG YOURSELF!
60 grep -Eo 'supernested.smp=[[:digit:]]+' /proc/cmdline |
61 grep -Eo '[[:digit:]]+'
64 if grep -q supernested.tcg=1 /proc/cmdline; then
86 echo "internal error ($1)"
92 # How much memory to give to the guest?
94 grep -Eo '^MemTotal:.*[[:digit:]]+ kB' /proc/meminfo |
95 grep -Eo '[[:digit:]]+'
97 if [ -z "memory" ]; then
98 echo "$0: could not get total memory from /proc/meminfo"
101 memory=$((memory / 1024))
102 if [ $memory -lt 2048 ]; then
103 echo "$0: not enough memory left: memory=$memory MB"
106 memory=$((memory - 1500))
108 # Get current nesting level from /proc/cmdline, increment it, add it
109 # to the command line.
111 grep -Eo 'supernested.level=[[:digit:]]+' /proc/cmdline |
112 grep -Eo '[[:digit:]]+'
114 if [ -z "$level" ]; then level=0; fi
115 append="$append supernested.level=$((level+1))"
117 # Append other parameters to nested command line.
118 append="$append supernested.smp=$smp supernested.tcg=$tcg"
121 if [ -n "$smp" ]; then extra_args="$extra_args -smp $smp"; fi
122 if [ -n "$tcg" ]; then
123 extra_args="$extra_args -machine accel=tcg"
125 extra_args="$extra_args -cpu host -machine accel=kvm"
130 echo " extra_args = $extra_args"
131 echo " memory = $memory"
132 echo " kernel = $kernel"
133 echo " initrd = $initrd"
134 echo " disk = $image"
135 echo " append = $append"
137 # Since this could crash the machine, better to sync ...
148 -global kvm-pit.lost_tick_policy=discard \
151 -device virtio-scsi-pci,id=scsi \
152 -drive file="$image",snapshot=on,cache=unsafe,format="$format",id=hd0,if=none \
153 -device scsi-hd,drive=hd0 \
154 -device virtio-serial-pci \