xref: /openbmc/qemu/tests/qemu-iotests/292 (revision 0e324626)
1e4d7019eSAlberto Garcia#!/usr/bin/env bash
2*9dd003a9SVladimir Sementsov-Ogievskiy# group: rw auto quick
3e4d7019eSAlberto Garcia#
4e4d7019eSAlberto Garcia# Test resizing a qcow2 image with a backing file
5e4d7019eSAlberto Garcia#
6e4d7019eSAlberto Garcia# Copyright (C) 2020 Igalia, S.L.
7e4d7019eSAlberto Garcia# Author: Alberto Garcia <berto@igalia.com>
8e4d7019eSAlberto Garcia#
9e4d7019eSAlberto Garcia# This program is free software; you can redistribute it and/or modify
10e4d7019eSAlberto Garcia# it under the terms of the GNU General Public License as published by
11e4d7019eSAlberto Garcia# the Free Software Foundation; either version 2 of the License, or
12e4d7019eSAlberto Garcia# (at your option) any later version.
13e4d7019eSAlberto Garcia#
14e4d7019eSAlberto Garcia# This program is distributed in the hope that it will be useful,
15e4d7019eSAlberto Garcia# but WITHOUT ANY WARRANTY; without even the implied warranty of
16e4d7019eSAlberto Garcia# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17e4d7019eSAlberto Garcia# GNU General Public License for more details.
18e4d7019eSAlberto Garcia#
19e4d7019eSAlberto Garcia# You should have received a copy of the GNU General Public License
20e4d7019eSAlberto Garcia# along with this program.  If not, see <http://www.gnu.org/licenses/>.
21e4d7019eSAlberto Garcia#
22e4d7019eSAlberto Garcia
23e4d7019eSAlberto Garcia# creator
24e4d7019eSAlberto Garciaowner=berto@igalia.com
25e4d7019eSAlberto Garcia
26e4d7019eSAlberto Garciaseq=`basename $0`
27e4d7019eSAlberto Garciaecho "QA output created by $seq"
28e4d7019eSAlberto Garcia
29e4d7019eSAlberto Garciastatus=1    # failure is the default!
30e4d7019eSAlberto Garcia
31e4d7019eSAlberto Garcia_cleanup()
32e4d7019eSAlberto Garcia{
33e4d7019eSAlberto Garcia    _cleanup_test_img
34e4d7019eSAlberto Garcia}
35e4d7019eSAlberto Garciatrap "_cleanup; exit \$status" 0 1 2 3 15
36e4d7019eSAlberto Garcia
37e4d7019eSAlberto Garcia# get standard environment, filters and checks
38e4d7019eSAlberto Garcia. ./common.rc
39e4d7019eSAlberto Garcia. ./common.filter
40e4d7019eSAlberto Garcia
41e4d7019eSAlberto Garcia_supported_fmt qcow2
4257284d2aSMax Reitz_supported_proto file fuse
43e4d7019eSAlberto Garcia_supported_os Linux
44e6de31bcSMax Reitz# We need qemu-img map to show the file where the data is allocated,
45e6de31bcSMax Reitz# but with an external data file, it will show that instead of the
46e6de31bcSMax Reitz# file we want to check.  So just skip this test for external data
47e6de31bcSMax Reitz# files.
48e6de31bcSMax Reitz_unsupported_imgopts data_file
49e4d7019eSAlberto Garcia
50e4d7019eSAlberto Garciaecho '### Create the backing image'
51e4d7019eSAlberto GarciaBACKING_IMG="$TEST_IMG.base"
52e4d7019eSAlberto GarciaTEST_IMG="$BACKING_IMG" _make_test_img 1M
53e4d7019eSAlberto Garcia
54e4d7019eSAlberto Garciaecho '### Fill the backing image with data (0x11)'
55e4d7019eSAlberto Garcia$QEMU_IO -c 'write -P 0x11 0 1M' "$BACKING_IMG" | _filter_qemu_io
56e4d7019eSAlberto Garcia
57e4d7019eSAlberto Garciaecho '### Create the top image'
58e4d7019eSAlberto Garcia_make_test_img -F "$IMGFMT" -b "$BACKING_IMG"
59e4d7019eSAlberto Garcia
60e4d7019eSAlberto Garciaecho '### Fill the top image with data (0x22)'
61e4d7019eSAlberto Garcia$QEMU_IO -c 'write -P 0x22 0 1M' "$TEST_IMG" | _filter_qemu_io
62e4d7019eSAlberto Garcia
63e4d7019eSAlberto Garcia# Both offsets are part of the same cluster.
64e4d7019eSAlberto Garciaecho '### Shrink the image to 520k'
65e4d7019eSAlberto Garcia$QEMU_IMG resize --shrink "$TEST_IMG" 520k
66e4d7019eSAlberto Garciaecho '### Grow the image to 567k'
67e4d7019eSAlberto Garcia$QEMU_IMG resize "$TEST_IMG" 567k
68e4d7019eSAlberto Garcia
69e4d7019eSAlberto Garciaecho '### Check that the tail of the image reads as zeroes'
70e4d7019eSAlberto Garcia$QEMU_IO -c 'read -P 0x22    0 520k' "$TEST_IMG" | _filter_qemu_io
71e4d7019eSAlberto Garcia$QEMU_IO -c 'read -P 0x00 520k  47k' "$TEST_IMG" | _filter_qemu_io
72e4d7019eSAlberto Garcia
73e4d7019eSAlberto Garciaecho '### Show output of qemu-img map'
74e4d7019eSAlberto Garcia$QEMU_IMG map "$TEST_IMG" | _filter_testdir
75e4d7019eSAlberto Garcia
76e4d7019eSAlberto Garcia# success, all done
77e4d7019eSAlberto Garciaecho "*** done"
78e4d7019eSAlberto Garciarm -f $seq.full
79e4d7019eSAlberto Garciastatus=0
80