1 /*
2 * Copyright © 2008 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 * Authors:
24 * Eric Anholt <eric@anholt.net>
25 *
26 */
27
28 #include <stdlib.h>
29 #include <stdio.h>
30 #include <string.h>
31 #include <assert.h>
32 #include <fcntl.h>
33 #include <inttypes.h>
34 #include <errno.h>
35 #include <sys/stat.h>
36 #include "drm.h"
37 #include "i915_drm.h"
38
39 static void
test_flink(int fd)40 test_flink(int fd)
41 {
42 struct drm_i915_gem_create create;
43 struct drm_gem_flink flink;
44 struct drm_gem_open open;
45 int ret;
46
47 printf("Testing flink and open.\n");
48
49 memset(&create, 0, sizeof(create));
50 create.size = 16 * 1024;
51 ret = ioctl(fd, DRM_IOCTL_I915_GEM_CREATE, &create);
52 assert(ret == 0);
53
54 flink.handle = create.handle;
55 ret = ioctl(fd, DRM_IOCTL_GEM_FLINK, &flink);
56 assert(ret == 0);
57
58 open.name = flink.name;
59 ret = ioctl(fd, DRM_IOCTL_GEM_OPEN, &open);
60 assert(ret == 0);
61 assert(open.handle != 0);
62 }
63
64 static void
test_double_flink(int fd)65 test_double_flink(int fd)
66 {
67 struct drm_i915_gem_create create;
68 struct drm_gem_flink flink;
69 struct drm_gem_flink flink2;
70 int ret;
71
72 printf("Testing repeated flink.\n");
73
74 memset(&create, 0, sizeof(create));
75 create.size = 16 * 1024;
76 ret = ioctl(fd, DRM_IOCTL_I915_GEM_CREATE, &create);
77 assert(ret == 0);
78
79 flink.handle = create.handle;
80 ret = ioctl(fd, DRM_IOCTL_GEM_FLINK, &flink);
81 assert(ret == 0);
82
83 flink2.handle = create.handle;
84 ret = ioctl(fd, DRM_IOCTL_GEM_FLINK, &flink2);
85 assert(ret == 0);
86 assert(flink2.name == flink.name);
87 }
88
89 static void
test_bad_flink(int fd)90 test_bad_flink(int fd)
91 {
92 struct drm_gem_flink flink;
93 int ret;
94
95 printf("Testing error return on bad flink ioctl.\n");
96
97 flink.handle = 0x10101010;
98 ret = ioctl(fd, DRM_IOCTL_GEM_FLINK, &flink);
99 assert(ret == -1 && errno == ENOENT);
100 }
101
102 static void
test_bad_open(int fd)103 test_bad_open(int fd)
104 {
105 struct drm_gem_open open;
106 int ret;
107
108 printf("Testing error return on bad open ioctl.\n");
109
110 open.name = 0x10101010;
111 ret = ioctl(fd, DRM_IOCTL_GEM_OPEN, &open);
112
113 assert(ret == -1 && errno == ENOENT);
114 }
115
main(int argc,char ** argv)116 int main(int argc, char **argv)
117 {
118 int fd;
119
120 if (geteuid()) {
121 fprintf(stderr, "requires root privileges, skipping\n");
122 return 77;
123 }
124
125 fd = drm_open_matching("8086:*", 0);
126 if (fd < 0) {
127 fprintf(stderr, "failed to open intel drm device, skipping\n");
128 return 77;
129 }
130
131 test_flink(fd);
132 test_double_flink(fd);
133 test_bad_flink(fd);
134 test_bad_open(fd);
135
136 return 0;
137 }
138