xics/spapr: Detect old KVM XICS on POWER9 hosts
[qemu/ar7.git] / tests / qemu-iotests / 033
blob362a48c0a07bc4ee53cb37cdcd67c4578c027fee
1 #!/usr/bin/env bash
3 # Test aligned and misaligned write zeroes operations.
5 # Copyright (C) 2012 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/>.
21 # creator
22 owner=pbonzini@redhat.com
24 seq=`basename $0`
25 echo "QA output created by $seq"
27 status=1 # failure is the default!
29 _cleanup()
31 _cleanup_test_img
33 trap "_cleanup; exit \$status" 0 1 2 3 15
35 # get standard environment, filters and checks
36 . ./common.rc
37 . ./common.filter
39 _supported_fmt generic
40 _supported_proto generic
43 size=128M
44 _make_test_img $size
46 do_test()
48 local align=$1
49 local iocmd=$2
50 local img=$3
51 if [ "$IMGOPTSSYNTAX" = "true" ]
52 then
53 IO_OPEN_ARG="$img"
54 IO_EXTRA_ARGS="--image-opts"
55 else
56 IO_OPEN_ARG="-o driver=$IMGFMT,file.align=$align blkdebug::$img"
57 IO_EXTRA_ARGS=""
60 echo "open $IO_OPEN_ARG"
61 echo $iocmd
62 } | $QEMU_IO $IO_EXTRA_ARGS
65 echo
66 echo "=== Test aligned and misaligned write zeroes operations ==="
68 for write_zero_cmd in "write -z" "aio_write -z"; do
69 for align in 512 4k; do
70 echo
71 echo "== preparing image =="
72 do_test $align "write -P 0xa 0x200 0x400" "$TEST_IMG" | _filter_qemu_io
73 do_test $align "write -P 0xa 0x20000 0x600" "$TEST_IMG" | _filter_qemu_io
74 do_test $align "$write_zero_cmd 0x400 0x20000" "$TEST_IMG" | _filter_qemu_io
76 echo
77 echo "== verifying patterns (1) =="
78 do_test $align "read -P 0xa 0x200 0x200" "$TEST_IMG" | _filter_qemu_io
79 do_test $align "read -P 0x0 0x400 0x20000" "$TEST_IMG" | _filter_qemu_io
80 do_test $align "read -P 0xa 0x20400 0x200" "$TEST_IMG" | _filter_qemu_io
82 echo
83 echo "== rewriting zeroes =="
84 do_test $align "write -P 0xb 0x10000 0x10000" "$TEST_IMG" | _filter_qemu_io
85 do_test $align "$write_zero_cmd 0x10000 0x10000" "$TEST_IMG" | _filter_qemu_io
87 echo
88 echo "== verifying patterns (2) =="
89 do_test $align "read -P 0x0 0x400 0x20000" "$TEST_IMG" | _filter_qemu_io
91 echo
92 echo "== rewriting unaligned zeroes =="
93 do_test $align "write -P 0xb 0x0 0x1000" "$TEST_IMG" | _filter_qemu_io
94 do_test $align "$write_zero_cmd 0x200 0x200" "$TEST_IMG" | _filter_qemu_io
96 echo
97 echo "== verifying patterns (3) =="
98 do_test $align "read -P 0xb 0x0 0x200" "$TEST_IMG" | _filter_qemu_io
99 do_test $align "read -P 0x0 0x200 0x200" "$TEST_IMG" | _filter_qemu_io
100 do_test $align "read -P 0xb 0x400 0xc00" "$TEST_IMG" | _filter_qemu_io
102 echo
103 done
104 done
106 _cleanup_test_img
108 # Trigger truncate that would shrink qcow2 L1 table, which is done by
109 # clearing one entry (8 bytes) with bdrv_co_pwrite_zeroes()
111 echo
112 echo "=== Test misaligned write zeroes via truncate ==="
113 echo
115 # any size will do, but the smaller the size the smaller the required image
116 CLUSTER_SIZE=$((4 * 1024))
117 L2_COVERAGE=$(($CLUSTER_SIZE * $CLUSTER_SIZE / 8))
118 _make_test_img $(($L2_COVERAGE * 2))
120 do_test 512 "write -P 1 0 0x200" "$TEST_IMG" | _filter_qemu_io
121 # next L2 table
122 do_test 512 "write -P 1 $L2_COVERAGE 0x200" "$TEST_IMG" | _filter_qemu_io
124 # only interested in qcow2 here; also other formats might respond with
125 # "not supported" error message
126 if [ $IMGFMT = "qcow2" ]; then
127 do_test 512 "truncate $L2_COVERAGE" "$TEST_IMG" | _filter_qemu_io
130 do_test 512 "read -P 1 0 0x200" "$TEST_IMG" | _filter_qemu_io
132 # success, all done
133 echo
134 echo "*** done"
135 rm -f $seq.full
136 status=0