Select MDIO device 2 and 1 as PHY devices for i.MX6UL EVK board.
[qemu/ar7.git] / tests / qemu-iotests / 290
blob776b65e915633be9509271d403f3718b01e4e168
1 #!/usr/bin/env bash
3 # Test how 'qemu-io -c discard' behaves on v2 and v3 qcow2 images
5 # Copyright (C) 2020 Igalia, S.L.
6 # Author: Alberto Garcia <berto@igalia.com>
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/>.
22 # creator
23 owner=berto@igalia.com
25 seq=`basename $0`
26 echo "QA output created by $seq"
28 status=1 # failure is the default!
30 _cleanup()
32 _cleanup_test_img
34 trap "_cleanup; exit \$status" 0 1 2 3 15
36 # get standard environment, filters and checks
37 . ./common.rc
38 . ./common.filter
40 _supported_fmt qcow2
41 _supported_proto file
42 _supported_os Linux
43 _unsupported_imgopts 'compat=0.10' refcount_bits data_file
45 echo
46 echo "### Test 'qemu-io -c discard' on a QCOW2 image without a backing file"
47 echo
48 for qcow2_compat in 0.10 1.1; do
49 echo "# Create an image with compat=$qcow2_compat without a backing file"
50 _make_test_img -o "compat=$qcow2_compat" 128k
52 echo "# Fill all clusters with data and then discard them"
53 $QEMU_IO -c 'write -P 0x01 0 128k' "$TEST_IMG" | _filter_qemu_io
54 $QEMU_IO -c 'discard 0 128k' "$TEST_IMG" | _filter_qemu_io
56 echo "# Read the data from the discarded clusters"
57 $QEMU_IO -c 'read -P 0x00 0 128k' "$TEST_IMG" | _filter_qemu_io
59 echo "# Output of qemu-img map"
60 $QEMU_IMG map "$TEST_IMG" | _filter_testdir
61 done
63 echo
64 echo "### Test 'qemu-io -c discard' on a QCOW2 image with a backing file"
65 echo
67 echo "# Create a backing image and fill it with data"
68 BACKING_IMG="$TEST_IMG.base"
69 TEST_IMG="$BACKING_IMG" _make_test_img 128k
70 $QEMU_IO -c 'write -P 0xff 0 128k' "$BACKING_IMG" | _filter_qemu_io
72 for qcow2_compat in 0.10 1.1; do
73 echo "# Create an image with compat=$qcow2_compat and a backing file"
74 _make_test_img -o "compat=$qcow2_compat" -b "$BACKING_IMG"
76 echo "# Fill all clusters with data and then discard them"
77 $QEMU_IO -c 'write -P 0x01 0 128k' "$TEST_IMG" | _filter_qemu_io
78 $QEMU_IO -c 'discard 0 128k' "$TEST_IMG" | _filter_qemu_io
80 echo "# Read the data from the discarded clusters"
81 if [ "$qcow2_compat" = "1.1" ]; then
82 # In qcow2 v3 clusters are zeroed (with QCOW_OFLAG_ZERO)
83 $QEMU_IO -c 'read -P 0x00 0 128k' "$TEST_IMG" | _filter_qemu_io
84 else
85 # In qcow2 v2 if there's a backing image we cannot zero the clusters
86 # without exposing the backing file data so discard does nothing
87 $QEMU_IO -c 'read -P 0x01 0 128k' "$TEST_IMG" | _filter_qemu_io
90 echo "# Output of qemu-img map"
91 $QEMU_IMG map "$TEST_IMG" | _filter_testdir
92 done
94 # success, all done
95 echo "*** done"
96 rm -f $seq.full
97 status=0