1 /*
2 * Copyright © 2016 Intel Corporation
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_vgem.h"
26 #include "igt_debugfs.h"
27 #include "igt_sysfs.h"
28
29 #include <sys/mman.h>
30 #include <sys/poll.h>
31 #include <sys/stat.h>
32 #include <dirent.h>
33
34 IGT_TEST_DESCRIPTION("Extended sanity check of Virtual GEM module (vGEM).");
35
has_prime_export(int fd)36 static bool has_prime_export(int fd)
37 {
38 uint64_t value;
39
40 if (drmGetCap(fd, DRM_CAP_PRIME, &value))
41 return false;
42
43 return value & DRM_PRIME_CAP_EXPORT;
44 }
45
46
test_nohang(int fd)47 static void test_nohang(int fd)
48 {
49 struct vgem_bo bo;
50 uint32_t fence;
51 struct pollfd pfd;
52
53 /* A vGEM fence must expire automatically to prevent driver hangs */
54
55 igt_require(has_prime_export(fd));
56 igt_require(vgem_has_fences(fd));
57
58 bo.width = 1;
59 bo.height = 1;
60 bo.bpp = 32;
61 vgem_create(fd, &bo);
62
63 pfd.fd = prime_handle_to_fd(fd, bo.handle);
64 pfd.events = POLLOUT;
65
66 fence = vgem_fence_attach(fd, &bo, 0);
67
68 igt_assert(poll(&pfd, 1, 0) == 0);
69 igt_assert(poll(&pfd, 1, 60*1000) == 1);
70
71 igt_assert_eq(__vgem_fence_signal(fd, fence), -110);
72 close(pfd.fd);
73 gem_close(fd, bo.handle);
74 }
75
76 igt_main
77 {
78 int fd = -1;
79
80 igt_fixture {
81 fd = drm_open_driver(DRIVER_VGEM);
82 }
83
84 igt_subtest_f("nohang")
85 test_nohang(fd);
86
87 igt_fixture {
88 close(fd);
89 }
90 }
91