1/*
2 * Copyright © 2007 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 <limits.h>
29#include <string.h>
30#include <sys/ioctl.h>
31#include "drmtest.h"
32
33/**
34 * Checks DRM_IOCTL_SET_VERSION.
35 *
36 * This tests that we can get the actual version out, and that setting invalid
37 * major/minor numbers fails appropriately.  It does not check the actual
38 * behavior differenses resulting from an increased DI version.
39 */
40int main(int argc, char **argv)
41{
42	int fd, ret;
43	drm_set_version_t sv, version;
44
45	if (getuid() != 0) {
46		fprintf(stderr, "setversion test requires root, skipping\n");
47		return 0;
48	}
49
50	fd = drm_open_any_master();
51
52	/* First, check that we can get the DD/DI versions. */
53	memset(&version, 0, sizeof(version));
54	version.drm_di_major = -1;
55	version.drm_di_minor = -1;
56	version.drm_dd_major = -1;
57	version.drm_dd_minor = -1;
58	ret = ioctl(fd, DRM_IOCTL_SET_VERSION, &version);
59	assert(ret == 0);
60	assert(version.drm_di_major != -1);
61	assert(version.drm_di_minor != -1);
62	assert(version.drm_dd_major != -1);
63	assert(version.drm_dd_minor != -1);
64
65	/* Check that an invalid DI major fails */
66	sv = version;
67	sv.drm_di_major++;
68	ret = ioctl(fd, DRM_IOCTL_SET_VERSION, &sv);
69	assert(ret == -1 && errno == EINVAL);
70
71	/* Check that an invalid DI minor fails */
72	sv = version;
73	sv.drm_di_major++;
74	ret = ioctl(fd, DRM_IOCTL_SET_VERSION, &sv);
75	assert(ret == -1 && errno == EINVAL);
76
77	/* Check that an invalid DD major fails */
78	sv = version;
79	sv.drm_dd_major++;
80	ret = ioctl(fd, DRM_IOCTL_SET_VERSION, &sv);
81	assert(ret == -1 && errno == EINVAL);
82
83	/* Check that an invalid DD minor fails */
84	sv = version;
85	sv.drm_dd_minor++;
86	ret = ioctl(fd, DRM_IOCTL_SET_VERSION, &sv);
87	assert(ret == -1 && errno == EINVAL);
88
89	close(fd);
90	return 0;
91}
92