summaryrefslogtreecommitdiff
path: root/tests/sw_sync.c
blob: c0eade5193342dd8b4b4ef12d41945b2b80031b7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
/*
 * Copyright © 2016 Collabora, Ltd.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 * IN THE SOFTWARE.
 *
 * Authors:
 *    Robert Foss <robert.foss@collabora.com>
 */

#include <stdint.h>
#include <unistd.h>

#include "igt.h"
#include "igt_aux.h"
#include "igt_primes.h"

#include "sw_sync.h"


IGT_TEST_DESCRIPTION("Test SW Sync Framework");

static void test_alloc_timeline(void)
{
	int timeline;

	timeline = sw_sync_timeline_create();
	close(timeline);
}

static void test_alloc_fence(void)
{
	int in_fence;
	int timeline;

	timeline = sw_sync_timeline_create();
	in_fence = sw_sync_fence_create(timeline, 0);

	close(in_fence);
	close(timeline);
}

static void test_alloc_fence_invalid_timeline(void)
{
	igt_assert_f(__sw_sync_fence_create(-1, 0) < 0,
	    "Did not fail to create fence on invalid timeline\n");
}

static void test_alloc_merge_fence(void)
{
	int in_fence[2];
	int fence_merge;
	int timeline[2];

	timeline[0] = sw_sync_timeline_create();
	timeline[1] = sw_sync_timeline_create();

	in_fence[0] = sw_sync_fence_create(timeline[0], 1);
	in_fence[1] = sw_sync_fence_create(timeline[1], 1);
	fence_merge = sync_merge(in_fence[1], in_fence[0]);

	close(in_fence[0]);
	close(in_fence[1]);
	close(fence_merge);
	close(timeline[0]);
	close(timeline[1]);
}

static void test_sync_busy(void)
{
	int fence, ret;
	int timeline;
	int seqno;

	timeline = sw_sync_timeline_create();
	fence = sw_sync_fence_create(timeline, 5);

	/* Make sure that fence has not been signaled yet */
	ret = sync_wait(fence, 0);
	igt_assert_f(ret == -1 && errno == ETIME, "Fence signaled early (timeline value 0, fence seqno 5)\n");

	/* Advance timeline from 0 -> 1 */
	sw_sync_timeline_inc(timeline, 1);

	/* Make sure that fence has not been signaled yet */
	ret = sync_wait(fence, 0);
	igt_assert_f(ret == -1 && errno == ETIME, "Fence signaled early (timeline value 1, fence seqno 5)\n");

	/* Advance timeline from 1 -> 5: signaling the fence (seqno 5)*/
	sw_sync_timeline_inc(timeline, 4);
	ret = sync_wait(fence, 0);
	igt_assert_f(ret == 0, "Fence not signaled (timeline value 5, fence seqno 5)\n");

	/* Go even further, and confirm wait still succeeds */
	sw_sync_timeline_inc(timeline, 5);
	ret = sync_wait(fence, 0);
	igt_assert_f(ret == 0, "Fence not signaled (timeline value 10, fence seqno 5)\n");

	seqno = 10;
	for_each_prime_number(prime, 100) {
		int fence_prime;
		seqno += prime;

		fence_prime = sw_sync_fence_create(timeline, seqno);
		sw_sync_timeline_inc(timeline, prime);

		ret = sync_wait(fence_prime, 0);
		igt_assert_f(ret == 0, "Fence not signaled during test of prime timeline increments\n");
		close(fence_prime);
	}

	close(fence);
	close(timeline);
}

static void test_sync_merge(void)
{
	int in_fence[3];
	int fence_merge;
	int timeline;
	int active, signaled;

	timeline = sw_sync_timeline_create();
	in_fence[0] = sw_sync_fence_create(timeline, 1);
	in_fence[1] = sw_sync_fence_create(timeline, 2);
	in_fence[2] = sw_sync_fence_create(timeline, 3);

	fence_merge = sync_merge(in_fence[0], in_fence[1]);
	fence_merge = sync_merge(in_fence[2], fence_merge);

	/* confirm all fences have one active point (even d) */
	active = sync_fence_count_status(in_fence[0],
					    SW_SYNC_FENCE_STATUS_ACTIVE);
	igt_assert_f(active == 1, "in_fence[0] has too many active fences\n");
	active = sync_fence_count_status(in_fence[1],
					    SW_SYNC_FENCE_STATUS_ACTIVE);
	igt_assert_f(active == 1, "in_fence[1] has too many active fences\n");
	active = sync_fence_count_status(in_fence[2],
					    SW_SYNC_FENCE_STATUS_ACTIVE);
	igt_assert_f(active == 1, "in_fence[2] has too many active fences\n");
	active = sync_fence_count_status(fence_merge,
					    SW_SYNC_FENCE_STATUS_ACTIVE);
	igt_assert_f(active == 1, "fence_merge has too many active fences\n");

	/* confirm that fence_merge is not signaled until the max of fence 0,1,2 */
	sw_sync_timeline_inc(timeline, 1);
	signaled = sync_fence_count_status(in_fence[0],
					      SW_SYNC_FENCE_STATUS_SIGNALED);
	active = sync_fence_count_status(fence_merge,
					    SW_SYNC_FENCE_STATUS_ACTIVE);
	igt_assert_f(signaled == 1, "in_fence[0] did not signal\n");
	igt_assert_f(active == 1, "fence_merge signaled too early\n");

	sw_sync_timeline_inc(timeline, 1);
	signaled = sync_fence_count_status(in_fence[1],
					      SW_SYNC_FENCE_STATUS_SIGNALED);
	active = sync_fence_count_status(fence_merge,
					    SW_SYNC_FENCE_STATUS_ACTIVE);
	igt_assert_f(signaled == 1, "in_fence[1] did not signal\n");
	igt_assert_f(active == 1, "fence_merge signaled too early\n");

	sw_sync_timeline_inc(timeline, 1);
	signaled = sync_fence_count_status(in_fence[2],
					      SW_SYNC_FENCE_STATUS_SIGNALED);
	igt_assert_f(signaled == 1, "in_fence[2] did not signal\n");
	signaled = sync_fence_count_status(fence_merge,
					       SW_SYNC_FENCE_STATUS_SIGNALED);
	active = sync_fence_count_status(fence_merge,
					    SW_SYNC_FENCE_STATUS_ACTIVE);
	igt_assert_f(active == 0 && signaled == 1,
		     "fence_merge did not signal\n");

	close(in_fence[0]);
	close(in_fence[1]);
	close(in_fence[2]);
	close(fence_merge);
	close(timeline);
}

static void test_sync_merge_same(void)
{
	int in_fence[2];
	int timeline;
	int signaled;

	timeline = sw_sync_timeline_create();
	in_fence[0] = sw_sync_fence_create(timeline, 1);
	in_fence[1] = sync_merge(in_fence[0], in_fence[0]);

	signaled = sync_fence_count_status(in_fence[0],
					      SW_SYNC_FENCE_STATUS_SIGNALED);
	igt_assert_f(signaled == 0, "Fence signaled too early\n");

	sw_sync_timeline_inc(timeline, 1);
	signaled = sync_fence_count_status(in_fence[0],
					      SW_SYNC_FENCE_STATUS_SIGNALED);
	igt_assert_f(signaled == 1, "Fence did not signal\n");

	close(in_fence[0]);
	close(in_fence[1]);
	close(timeline);
}

igt_main
{
	igt_subtest("alloc_timeline")
		test_alloc_timeline();

	igt_subtest("alloc_fence")
		test_alloc_fence();

	igt_subtest("alloc_fence_invalid_timeline")
		test_alloc_fence_invalid_timeline();

	igt_subtest("alloc_merge_fence")
		test_alloc_merge_fence();

	igt_subtest("sync_busy")
		test_sync_busy();

	igt_subtest("sync_merge")
		test_sync_merge();

	igt_subtest("sync_merge_same")
		test_sync_merge_same();
}