4 # qcow2 internal snapshots/VM state tests
6 # Copyright (C) 2011 Red Hat, Inc.
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.
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.
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/>.
23 owner=kwolf@redhat.com
26 echo "QA output created by $seq"
28 status=1 # failure is the default!
32 _rm_test_img "$TEST_IMG.snap"
35 trap "_cleanup; exit \$status" 0 1 2 3 15
37 # get standard environment, filters and checks
42 # Any format supporting intenal snapshots
44 _supported_proto generic
45 # Internal snapshots are (currently) impossible with refcount_bits=1,
46 # and generally impossible with external data files
47 _unsupported_imgopts 'refcount_bits=1[^0-9]' data_file
53 echo Test loading internal snapshots where the L1 table of the snapshot
54 echo is smaller than the current L1 table.
59 $QEMU_IMG snapshot -c foo "$TEST_IMG"
60 $QEMU_IO -c 'write -b 0 4k' "$TEST_IMG" | _filter_qemu_io
61 $QEMU_IMG snapshot -a foo "$TEST_IMG"
66 $QEMU_IMG snapshot -c foo "$TEST_IMG"
67 $QEMU_IO -c 'write -b 0 4M' "$TEST_IMG" | _filter_qemu_io
68 $QEMU_IMG snapshot -a foo "$TEST_IMG"
73 echo Try using a huge VM state
78 { $QEMU_IO -c "write -b -P 0x11 1T 4k" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
79 { $QEMU_IMG snapshot -c foo $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
80 { $QEMU_IMG snapshot -a foo $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
81 { $QEMU_IO -c "read -b -P 0x11 1T 4k" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
86 echo "qcow2_snapshot_load_tmp() should take the L1 size from the snapshot"
91 { $QEMU_IMG snapshot -c foo $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
92 poke_file "$TEST_IMG" "$offset_size" "\x00\x00\x00\x00\x00\x00\x02\x00"
93 poke_file "$TEST_IMG" "$offset_l1_size" "\x00\x00\x00\x01"
94 { $QEMU_IMG convert -l foo $TEST_IMG $TEST_IMG.snap; } 2>&1 | _filter_qemu_io | _filter_testdir