xref: /openbmc/qemu/tests/qemu-iotests/068 (revision e9e51b71)
1#!/usr/bin/env bash
2# group: rw quick
3#
4# Test case for loading a saved VM state from a qcow2 image
5#
6# Copyright (C) 2013 Red Hat, Inc.
7#
8# This program is free software; you can redistribute it and/or modify
9# it under the terms of the GNU General Public License as published by
10# the Free Software Foundation; either version 2 of the License, or
11# (at your option) any later version.
12#
13# This program is distributed in the hope that it will be useful,
14# but WITHOUT ANY WARRANTY; without even the implied warranty of
15# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16# GNU General Public License for more details.
17#
18# You should have received a copy of the GNU General Public License
19# along with this program.  If not, see <http://www.gnu.org/licenses/>.
20#
21
22# creator
23owner=mreitz@redhat.com
24
25seq="$(basename $0)"
26echo "QA output created by $seq"
27
28status=1	# failure is the default!
29
30_cleanup()
31{
32	_cleanup_test_img
33}
34trap "_cleanup; exit \$status" 0 1 2 3 15
35
36# get standard environment, filters and checks
37. ./common.rc
38. ./common.filter
39
40# This tests qcow2-specific low-level functionality
41_supported_fmt qcow2
42_supported_proto generic
43# Internal snapshots are (currently) impossible with refcount_bits=1,
44# and generally impossible with external data files
45_unsupported_imgopts 'compat=0.10' 'refcount_bits=1[^0-9]' data_file
46
47IMG_SIZE=128K
48
49case "$QEMU_DEFAULT_MACHINE" in
50  s390-ccw-virtio)
51      platform_parm="-no-shutdown"
52      hba=virtio-scsi-ccw
53      ;;
54  *)
55      platform_parm=""
56      hba=virtio-scsi-pci
57      ;;
58esac
59
60_qemu()
61{
62    $QEMU $platform_parm -nographic -monitor stdio -serial none \
63          -drive if=none,id=drive0,file="$TEST_IMG",format="$IMGFMT" \
64          -device $hba,id=hba0 \
65          -device scsi-hd,drive=drive0 \
66          "$@" |\
67    _filter_qemu | _filter_hmp
68}
69
70for extra_args in \
71    "" \
72    "-object iothread,id=iothread0 -set device.hba0.iothread=iothread0"; do
73    echo
74    echo "=== Saving and reloading a VM state to/from a qcow2 image ($extra_args) ==="
75    echo
76
77    _make_test_img $IMG_SIZE
78
79    # Give qemu some time to boot before saving the VM state
80    { sleep 1; printf "savevm 0\nquit\n"; } | _qemu $extra_args
81    # Now try to continue from that VM state (this should just work)
82    { sleep 1; printf "loadvm 0\nloadvm 0\nquit\n"; } | _qemu $extra_args -S
83done
84
85# success, all done
86echo "*** done"
87rm -f $seq.full
88status=0
89