cirrus: fix off-by-one in cirrus_bitblt_rop_bkwd_transp_*_16
[qemu.git] / tests / qemu-iotests / 040
1 #!/usr/bin/env python
2 #
3 # Tests for image block commit.
4 #
5 # Copyright (C) 2012 IBM, Corp.
6 # Copyright (C) 2012 Red Hat, Inc.
7 #
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.
12 #
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.
17 #
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/>.
20 #
21 # Test for live block commit
22 # Derived from Image Streaming Test 030
23
24 import time
25 import os
26 import iotests
27 from iotests import qemu_img, qemu_io
28 import struct
29 import errno
30
31 backing_img = os.path.join(iotests.test_dir, 'backing.img')
32 mid_img = os.path.join(iotests.test_dir, 'mid.img')
33 test_img = os.path.join(iotests.test_dir, 'test.img')
34
35 class ImageCommitTestCase(iotests.QMPTestCase):
36     '''Abstract base class for image commit test cases'''
37
38     def wait_for_complete(self, need_ready=False):
39         completed = False
40         ready = False
41         while not completed:
42             for event in self.vm.get_qmp_events(wait=True):
43                 if event['event'] == 'BLOCK_JOB_COMPLETED':
44                     self.assert_qmp_absent(event, 'data/error')
45                     self.assert_qmp(event, 'data/type', 'commit')
46                     self.assert_qmp(event, 'data/device', 'drive0')
47                     self.assert_qmp(event, 'data/offset', event['data']['len'])
48                     if need_ready:
49                         self.assertTrue(ready, "Expecting BLOCK_JOB_COMPLETED event")
50                     completed = True
51                 elif event['event'] == 'BLOCK_JOB_READY':
52                     ready = True
53                     self.assert_qmp(event, 'data/type', 'commit')
54                     self.assert_qmp(event, 'data/device', 'drive0')
55                     self.vm.qmp('block-job-complete', device='drive0')
56
57         self.assert_no_active_block_jobs()
58         self.vm.shutdown()
59
60     def run_commit_test(self, top, base, need_ready=False):
61         self.assert_no_active_block_jobs()
62         result = self.vm.qmp('block-commit', device='drive0', top=top, base=base)
63         self.assert_qmp(result, 'return', {})
64         self.wait_for_complete(need_ready)
65
66     def run_default_commit_test(self):
67         self.assert_no_active_block_jobs()
68         result = self.vm.qmp('block-commit', device='drive0')
69         self.assert_qmp(result, 'return', {})
70         self.wait_for_complete()
71
72 class TestSingleDrive(ImageCommitTestCase):
73     image_len = 1 * 1024 * 1024
74     test_len = 1 * 1024 * 256
75
76     def setUp(self):
77         iotests.create_image(backing_img, self.image_len)
78         qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, mid_img)
79         qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % mid_img, test_img)
80         qemu_io('-f', 'raw', '-c', 'write -P 0xab 0 524288', backing_img)
81         qemu_io('-f', iotests.imgfmt, '-c', 'write -P 0xef 524288 524288', mid_img)
82         self.vm = iotests.VM().add_drive(test_img)
83         self.vm.launch()
84
85     def tearDown(self):
86         self.vm.shutdown()
87         os.remove(test_img)
88         os.remove(mid_img)
89         os.remove(backing_img)
90
91     def test_commit(self):
92         self.run_commit_test(mid_img, backing_img)
93         self.assertEqual(-1, qemu_io('-f', 'raw', '-c', 'read -P 0xab 0 524288', backing_img).find("verification failed"))
94         self.assertEqual(-1, qemu_io('-f', 'raw', '-c', 'read -P 0xef 524288 524288', backing_img).find("verification failed"))
95
96     def test_device_not_found(self):
97         result = self.vm.qmp('block-commit', device='nonexistent', top='%s' % mid_img)
98         self.assert_qmp(result, 'error/class', 'DeviceNotFound')
99
100     def test_top_same_base(self):
101         self.assert_no_active_block_jobs()
102         result = self.vm.qmp('block-commit', device='drive0', top='%s' % backing_img, base='%s' % backing_img)
103         self.assert_qmp(result, 'error/class', 'GenericError')
104         self.assert_qmp(result, 'error/desc', 'Base \'%s\' not found' % backing_img)
105
106     def test_top_invalid(self):
107         self.assert_no_active_block_jobs()
108         result = self.vm.qmp('block-commit', device='drive0', top='badfile', base='%s' % backing_img)
109         self.assert_qmp(result, 'error/class', 'GenericError')
110         self.assert_qmp(result, 'error/desc', 'Top image file badfile not found')
111
112     def test_base_invalid(self):
113         self.assert_no_active_block_jobs()
114         result = self.vm.qmp('block-commit', device='drive0', top='%s' % mid_img, base='badfile')
115         self.assert_qmp(result, 'error/class', 'GenericError')
116         self.assert_qmp(result, 'error/desc', 'Base \'badfile\' not found')
117
118     def test_top_is_active(self):
119         self.run_commit_test(test_img, backing_img, need_ready=True)
120         self.assertEqual(-1, qemu_io('-f', 'raw', '-c', 'read -P 0xab 0 524288', backing_img).find("verification failed"))
121         self.assertEqual(-1, qemu_io('-f', 'raw', '-c', 'read -P 0xef 524288 524288', backing_img).find("verification failed"))
122
123     def test_top_is_default_active(self):
124         self.run_default_commit_test()
125         self.assertEqual(-1, qemu_io('-f', 'raw', '-c', 'read -P 0xab 0 524288', backing_img).find("verification failed"))
126         self.assertEqual(-1, qemu_io('-f', 'raw', '-c', 'read -P 0xef 524288 524288', backing_img).find("verification failed"))
127
128     def test_top_and_base_reversed(self):
129         self.assert_no_active_block_jobs()
130         result = self.vm.qmp('block-commit', device='drive0', top='%s' % backing_img, base='%s' % mid_img)
131         self.assert_qmp(result, 'error/class', 'GenericError')
132         self.assert_qmp(result, 'error/desc', 'Base \'%s\' not found' % mid_img)
133
134
135 class TestRelativePaths(ImageCommitTestCase):
136     image_len = 1 * 1024 * 1024
137     test_len = 1 * 1024 * 256
138
139     dir1 = "dir1"
140     dir2 = "dir2/"
141     dir3 = "dir2/dir3/"
142
143     test_img = os.path.join(iotests.test_dir, dir3, 'test.img')
144     mid_img = "../mid.img"
145     backing_img = "../dir1/backing.img"
146
147     backing_img_abs = os.path.join(iotests.test_dir, dir1, 'backing.img')
148     mid_img_abs = os.path.join(iotests.test_dir, dir2, 'mid.img')
149
150     def setUp(self):
151         try:
152             os.mkdir(os.path.join(iotests.test_dir, self.dir1))
153             os.mkdir(os.path.join(iotests.test_dir, self.dir2))
154             os.mkdir(os.path.join(iotests.test_dir, self.dir3))
155         except OSError as exception:
156             if exception.errno != errno.EEXIST:
157                 raise
158         iotests.create_image(self.backing_img_abs, TestRelativePaths.image_len)
159         qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % self.backing_img_abs, self.mid_img_abs)
160         qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % self.mid_img_abs, self.test_img)
161         qemu_img('rebase', '-u', '-b', self.backing_img, self.mid_img_abs)
162         qemu_img('rebase', '-u', '-b', self.mid_img, self.test_img)
163         qemu_io('-f', 'raw', '-c', 'write -P 0xab 0 524288', self.backing_img_abs)
164         qemu_io('-f', iotests.imgfmt, '-c', 'write -P 0xef 524288 524288', self.mid_img_abs)
165         self.vm = iotests.VM().add_drive(self.test_img)
166         self.vm.launch()
167
168     def tearDown(self):
169         self.vm.shutdown()
170         os.remove(self.test_img)
171         os.remove(self.mid_img_abs)
172         os.remove(self.backing_img_abs)
173         try:
174             os.rmdir(os.path.join(iotests.test_dir, self.dir1))
175             os.rmdir(os.path.join(iotests.test_dir, self.dir3))
176             os.rmdir(os.path.join(iotests.test_dir, self.dir2))
177         except OSError as exception:
178             if exception.errno != errno.EEXIST and exception.errno != errno.ENOTEMPTY:
179                 raise
180
181     def test_commit(self):
182         self.run_commit_test(self.mid_img, self.backing_img)
183         self.assertEqual(-1, qemu_io('-f', 'raw', '-c', 'read -P 0xab 0 524288', self.backing_img_abs).find("verification failed"))
184         self.assertEqual(-1, qemu_io('-f', 'raw', '-c', 'read -P 0xef 524288 524288', self.backing_img_abs).find("verification failed"))
185
186     def test_device_not_found(self):
187         result = self.vm.qmp('block-commit', device='nonexistent', top='%s' % self.mid_img)
188         self.assert_qmp(result, 'error/class', 'DeviceNotFound')
189
190     def test_top_same_base(self):
191         self.assert_no_active_block_jobs()
192         result = self.vm.qmp('block-commit', device='drive0', top='%s' % self.mid_img, base='%s' % self.mid_img)
193         self.assert_qmp(result, 'error/class', 'GenericError')
194         self.assert_qmp(result, 'error/desc', 'Base \'%s\' not found' % self.mid_img)
195
196     def test_top_invalid(self):
197         self.assert_no_active_block_jobs()
198         result = self.vm.qmp('block-commit', device='drive0', top='badfile', base='%s' % self.backing_img)
199         self.assert_qmp(result, 'error/class', 'GenericError')
200         self.assert_qmp(result, 'error/desc', 'Top image file badfile not found')
201
202     def test_base_invalid(self):
203         self.assert_no_active_block_jobs()
204         result = self.vm.qmp('block-commit', device='drive0', top='%s' % self.mid_img, base='badfile')
205         self.assert_qmp(result, 'error/class', 'GenericError')
206         self.assert_qmp(result, 'error/desc', 'Base \'badfile\' not found')
207
208     def test_top_is_active(self):
209         self.run_commit_test(self.test_img, self.backing_img)
210         self.assertEqual(-1, qemu_io('-f', 'raw', '-c', 'read -P 0xab 0 524288', self.backing_img_abs).find("verification failed"))
211         self.assertEqual(-1, qemu_io('-f', 'raw', '-c', 'read -P 0xef 524288 524288', self.backing_img_abs).find("verification failed"))
212
213     def test_top_and_base_reversed(self):
214         self.assert_no_active_block_jobs()
215         result = self.vm.qmp('block-commit', device='drive0', top='%s' % self.backing_img, base='%s' % self.mid_img)
216         self.assert_qmp(result, 'error/class', 'GenericError')
217         self.assert_qmp(result, 'error/desc', 'Base \'%s\' not found' % self.mid_img)
218
219
220 class TestSetSpeed(ImageCommitTestCase):
221     image_len = 80 * 1024 * 1024 # MB
222
223     def setUp(self):
224         qemu_img('create', backing_img, str(TestSetSpeed.image_len))
225         qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, mid_img)
226         qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % mid_img, test_img)
227         qemu_io('-f', iotests.imgfmt, '-c', 'write -P 0x1 0 512', test_img)
228         qemu_io('-f', iotests.imgfmt, '-c', 'write -P 0xef 524288 524288', mid_img)
229         self.vm = iotests.VM().add_drive(test_img)
230         self.vm.launch()
231
232     def tearDown(self):
233         self.vm.shutdown()
234         os.remove(test_img)
235         os.remove(mid_img)
236         os.remove(backing_img)
237
238     def test_set_speed(self):
239         self.assert_no_active_block_jobs()
240
241         self.vm.pause_drive('drive0')
242         result = self.vm.qmp('block-commit', device='drive0', top=mid_img, speed=1024 * 1024)
243         self.assert_qmp(result, 'return', {})
244
245         # Ensure the speed we set was accepted
246         result = self.vm.qmp('query-block-jobs')
247         self.assert_qmp(result, 'return[0]/device', 'drive0')
248         self.assert_qmp(result, 'return[0]/speed', 1024 * 1024)
249
250         self.cancel_and_wait(resume=True)
251
252 class TestActiveZeroLengthImage(TestSingleDrive):
253     image_len = 0
254
255 class TestReopenOverlay(ImageCommitTestCase):
256     image_len = 1024 * 1024
257     img0 = os.path.join(iotests.test_dir, '0.img')
258     img1 = os.path.join(iotests.test_dir, '1.img')
259     img2 = os.path.join(iotests.test_dir, '2.img')
260     img3 = os.path.join(iotests.test_dir, '3.img')
261
262     def setUp(self):
263         iotests.create_image(self.img0, self.image_len)
264         qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % self.img0, self.img1)
265         qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % self.img1, self.img2)
266         qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % self.img2, self.img3)
267         qemu_io('-f', iotests.imgfmt, '-c', 'write -P 0xab 0 128K', self.img1)
268         self.vm = iotests.VM().add_drive(self.img3)
269         self.vm.launch()
270
271     def tearDown(self):
272         self.vm.shutdown()
273         os.remove(self.img0)
274         os.remove(self.img1)
275         os.remove(self.img2)
276         os.remove(self.img3)
277
278     # This tests what happens when the overlay image of the 'top' node
279     # needs to be reopened in read-write mode in order to update the
280     # backing image string.
281     def test_reopen_overlay(self):
282         self.run_commit_test(self.img1, self.img0)
283
284 if __name__ == '__main__':
285     iotests.main(supported_fmts=['qcow2', 'qed'])