1 /*
2 * Copyright © 2016 Broadcom
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21 * IN THE SOFTWARE.
22 */
23
24 #include "igt.h"
25 #include "igt_vc4.h"
26 #include <unistd.h>
27 #include <stdlib.h>
28 #include <stdio.h>
29 #include <string.h>
30 #include <fcntl.h>
31 #include <inttypes.h>
32 #include <errno.h>
33 #include <sys/stat.h>
34 #include <sys/ioctl.h>
35 #include "vc4_drm.h"
36
37 static void
test_used_bo(int fd,uint64_t timeout)38 test_used_bo(int fd, uint64_t timeout)
39 {
40 size_t size = 4096;
41 uint32_t clearval = 0xaabbccdd + timeout;
42 int handle = igt_vc4_get_cleared_bo(fd, size, clearval);
43 struct drm_vc4_wait_bo wait = {
44 .timeout_ns = timeout,
45 .handle = handle,
46 };
47 int ret, i;
48
49 ret = ioctl(fd, DRM_IOCTL_VC4_WAIT_BO, &wait);
50 if (timeout == ~0ull) {
51 igt_assert_eq_u32(ret, 0);
52 } else {
53 if (ret == -1 && errno == ETIME)
54 igt_debug("Timeout triggered\n");
55 igt_assert(ret == 0 || (ret == -1 && errno == ETIME));
56 }
57
58 if (ret == 0) {
59 uint32_t *map = igt_vc4_mmap_bo(fd, handle, size, PROT_READ);
60 for (i = 0; i < size / 4; i++) {
61 igt_assert_eq_u32(map[i], clearval);
62 }
63 munmap((void *)map, size);
64 }
65
66 gem_close(fd, handle);
67 }
68
69 igt_main
70 {
71 int fd;
72 int bo_handle;
73
74 igt_fixture {
75 fd = drm_open_driver(DRIVER_VC4);
76 bo_handle = igt_vc4_create_bo(fd, 4096);
77 }
78
79 igt_subtest("bad-bo") {
80 struct drm_vc4_wait_bo arg = {
81 .handle = bo_handle + 1,
82 .timeout_ns = 0,
83 };
84 do_ioctl_err(fd, DRM_IOCTL_VC4_WAIT_BO, &arg, EINVAL);
85 }
86
87 igt_subtest("bad-pad") {
88 struct drm_vc4_wait_bo arg = {
89 .pad = 1,
90 .handle = bo_handle,
91 .timeout_ns = 0,
92 };
93 do_ioctl_err(fd, DRM_IOCTL_VC4_WAIT_BO, &arg, EINVAL);
94 }
95
96 igt_subtest("unused-bo-0ns") {
97 struct drm_vc4_wait_bo arg = {
98 .handle = bo_handle,
99 .timeout_ns = 0,
100 };
101 do_ioctl(fd, DRM_IOCTL_VC4_WAIT_BO, &arg);
102 }
103
104 igt_subtest("unused-bo-1ns") {
105 struct drm_vc4_wait_bo arg = {
106 .handle = bo_handle,
107 .timeout_ns = 1,
108 };
109 do_ioctl(fd, DRM_IOCTL_VC4_WAIT_BO, &arg);
110 }
111
112 igt_subtest("used-bo-0ns")
113 test_used_bo(fd, 0);
114
115 igt_subtest("used-bo-1ns")
116 test_used_bo(fd, 1);
117
118 igt_subtest("used-bo")
119 test_used_bo(fd, ~0ull);
120
121 igt_fixture
122 close(fd);
123 }
124