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

   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
  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
  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
  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 == EBADF);
 100 }
 101
 102 static void
 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
 116 int main(int argc, char **argv)
 117 {
 118         int fd;
 119
 120         fd = drm_open_matching("8086:*", 0);
 121         if (fd < 0) {
 122                 fprintf(stderr, "failed to open intel drm device, skipping\n");
 123                 return 0;
 124         }
 125
 126         test_flink(fd);
 127         test_double_flink(fd);
 128         test_bad_flink(fd);
 129         test_bad_open(fd);
 130
 131         return 0;
 132 }