xref: /qemu/tests/qemu-iotests/068 (revision abff1abf) 
1#!/usr/bin/env bash
2#
3# Test case for loading a saved VM state from a qcow2 image
4#
5# Copyright (C) 2013 Red Hat, Inc.
6#
7# This program is free software; you can redistribute it and/or modify
8# it under the terms of the GNU General Public License as published by
9# the Free Software Foundation; either version 2 of the License, or
10# (at your option) any later version.
11#
12# This program is distributed in the hope that it will be useful,
13# but WITHOUT ANY WARRANTY; without even the implied warranty of
14# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15# GNU General Public License for more details.
16#
17# You should have received a copy of the GNU General Public License
18# along with this program.  If not, see <http://www.gnu.org/licenses/>.
19#
20
21# creator
22owner=mreitz@redhat.com
23
24seq="$(basename $0)"
25echo "QA output created by $seq"
26
27status=1	# failure is the default!
28
29_cleanup()
30{
31	_cleanup_test_img
32}
33trap "_cleanup; exit \$status" 0 1 2 3 15
34
35# get standard environment, filters and checks
36. ./common.rc
37. ./common.filter
38
39# This tests qcow2-specific low-level functionality
40_supported_fmt qcow2
41_supported_proto generic
42# Internal snapshots are (currently) impossible with refcount_bits=1,
43# and generally impossible with external data files
44_unsupported_imgopts 'compat=0.10' 'refcount_bits=1[^0-9]' data_file
45
46IMG_SIZE=128K
47
48case "$QEMU_DEFAULT_MACHINE" in
49  s390-ccw-virtio)
50      platform_parm="-no-shutdown"
51      hba=virtio-scsi-ccw
52      ;;
53  *)
54      platform_parm=""
55      hba=virtio-scsi-pci
56      ;;
57esac
58
59_qemu()
60{
61    $QEMU $platform_parm -nographic -monitor stdio -serial none \
62          -drive if=none,id=drive0,file="$TEST_IMG",format="$IMGFMT" \
63          -device $hba,id=hba0 \
64          -device scsi-hd,drive=drive0 \
65          "$@" |\
66    _filter_qemu | _filter_hmp
67}
68
69for extra_args in \
70    "" \
71    "-object iothread,id=iothread0 -set device.hba0.iothread=iothread0"; do
72    echo
73    echo "=== Saving and reloading a VM state to/from a qcow2 image ($extra_args) ==="
74    echo
75
76    _make_test_img $IMG_SIZE
77
78    # Give qemu some time to boot before saving the VM state
79    { sleep 1; printf "savevm 0\nquit\n"; } | _qemu $extra_args
80    # Now try to continue from that VM state (this should just work)
81    { sleep 1; printf "loadvm 0\nloadvm 0\nquit\n"; } | _qemu $extra_args -S
82done
83
84# success, all done
85echo "*** done"
86rm -f $seq.full
87status=0
88