sys/external/bsd/drm/dist/tests/setversion.c

   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  */
  38 int 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 }