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 (at) 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 } 133