3 # Test simple read/write using plain bdrv_read/bdrv_write
5 # Copyright (C) 2014 Red Hat, Inc.
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.
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.
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/>.
22 owner=stefanha@redhat.com
25 echo "QA output created by $seq"
28 status=1 # failure is the default!
34 trap "_cleanup; exit \$status" 0 1 2 3 15
36 # get standard environment, filters and checks
40 _supported_fmt generic
41 _supported_proto generic
48 echo "== Single request =="
50 $QEMU_IO -c "multiwrite 0 4k" "$TEST_IMG" | _filter_qemu_io
53 echo "== verify pattern =="
54 $QEMU_IO -c "read -P 0xcd 0 4k" "$TEST_IMG" | _filter_qemu_io
55 $QEMU_IO -c "read -P 0 4k 4k" "$TEST_IMG" | _filter_qemu_io
60 echo "== Sequential requests =="
62 $QEMU_IO -c "multiwrite 0 4k ; 4k 4k" "$TEST_IMG" | _filter_qemu_io
65 echo "== verify pattern =="
66 $QEMU_IO -c "read -P 0xcd 0 4k" "$TEST_IMG" | _filter_qemu_io
67 $QEMU_IO -c "read -P 0xce 4k 4k" "$TEST_IMG" | _filter_qemu_io
68 $QEMU_IO -c "read -P 0 8k 4k" "$TEST_IMG" | _filter_qemu_io
73 echo "== Superset overlapping requests =="
75 $QEMU_IO -c "multiwrite 0 4k ; 1k 2k" "$TEST_IMG" | _filter_qemu_io
78 echo "== verify pattern =="
79 # Order of overlapping in-flight requests is not guaranteed so we cannot verify
80 # [1k, 3k) since it could have either pattern 0xcd or 0xce.
81 $QEMU_IO -c "read -P 0xcd 0 1k" "$TEST_IMG" | _filter_qemu_io
82 $QEMU_IO -c "read -P 0xcd 3k 1k" "$TEST_IMG" | _filter_qemu_io
83 $QEMU_IO -c "read -P 0 4k 4k" "$TEST_IMG" | _filter_qemu_io
88 echo "== Subset overlapping requests =="
90 $QEMU_IO -c "multiwrite 1k 2k ; 0k 4k" "$TEST_IMG" | _filter_qemu_io
93 echo "== verify pattern =="
94 # Order of overlapping in-flight requests is not guaranteed so we cannot verify
95 # [1k, 3k) since it could have either pattern 0xcd or 0xce.
96 $QEMU_IO -c "read -P 0xce 0 1k" "$TEST_IMG" | _filter_qemu_io
97 $QEMU_IO -c "read -P 0xce 3k 1k" "$TEST_IMG" | _filter_qemu_io
98 $QEMU_IO -c "read -P 0 4k 4k" "$TEST_IMG" | _filter_qemu_io
103 echo "== Head overlapping requests =="
105 $QEMU_IO -c "multiwrite 0k 2k ; 0k 4k" "$TEST_IMG" | _filter_qemu_io
108 echo "== verify pattern =="
109 # Order of overlapping in-flight requests is not guaranteed so we cannot verify
110 # [0k, 2k) since it could have either pattern 0xcd or 0xce.
111 $QEMU_IO -c "read -P 0xce 2k 2k" "$TEST_IMG" | _filter_qemu_io
112 $QEMU_IO -c "read -P 0 4k 4k" "$TEST_IMG" | _filter_qemu_io
117 echo "== Tail overlapping requests =="
119 $QEMU_IO -c "multiwrite 2k 2k ; 0k 4k" "$TEST_IMG" | _filter_qemu_io
122 echo "== verify pattern =="
123 # Order of overlapping in-flight requests is not guaranteed so we cannot verify
124 # [2k, 4k) since it could have either pattern 0xcd or 0xce.
125 $QEMU_IO -c "read -P 0xce 0k 2k" "$TEST_IMG" | _filter_qemu_io
126 $QEMU_IO -c "read -P 0 4k 4k" "$TEST_IMG" | _filter_qemu_io
131 echo "== Disjoint requests =="
133 $QEMU_IO -c "multiwrite 0 4k ; 64k 4k" "$TEST_IMG" | _filter_qemu_io
136 echo "== verify pattern =="
137 $QEMU_IO -c "read -P 0xcd 0 4k" "$TEST_IMG" | _filter_qemu_io
138 $QEMU_IO -c "read -P 0 4k 60k" "$TEST_IMG" | _filter_qemu_io
139 $QEMU_IO -c "read -P 0xce 64k 4k" "$TEST_IMG" | _filter_qemu_io
140 $QEMU_IO -c "read -P 0 68k 4k" "$TEST_IMG" | _filter_qemu_io