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