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 (at) 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 */ 40 int 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