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 "drmtest.h" 31 32 /** 33 * Checks DRM_IOCTL_SET_VERSION. 34 * 35 * This tests that we can get the actual version out, and that setting invalid 36 * major/minor numbers fails appropriately. It does not check the actual 37 * behavior differenses resulting from an increased DI version. 38 */ 39 int main(int argc, char **argv) 40 { 41 int fd, ret; 42 drm_set_version_t sv, version; 43 44 if (getuid() != 0) { 45 fprintf(stderr, "setversion test requires root, skipping\n"); 46 return 0; 47 } 48 49 fd = drm_open_any_master(); 50 51 /* First, check that we can get the DD/DI versions. */ 52 memset(&version, 0, sizeof(version)); 53 version.drm_di_major = -1; 54 version.drm_di_minor = -1; 55 version.drm_dd_major = -1; 56 version.drm_dd_minor = -1; 57 ret = ioctl(fd, DRM_IOCTL_SET_VERSION, &version); 58 assert(ret == 0); 59 assert(version.drm_di_major != -1); 60 assert(version.drm_di_minor != -1); 61 assert(version.drm_dd_major != -1); 62 assert(version.drm_dd_minor != -1); 63 64 /* Check that an invalid DI major fails */ 65 sv = version; 66 sv.drm_di_major++; 67 ret = ioctl(fd, DRM_IOCTL_SET_VERSION, &sv); 68 assert(ret == -1 && errno == EINVAL); 69 70 /* Check that an invalid DI minor fails */ 71 sv = version; 72 sv.drm_di_major++; 73 ret = ioctl(fd, DRM_IOCTL_SET_VERSION, &sv); 74 assert(ret == -1 && errno == EINVAL); 75 76 /* Check that an invalid DD major fails */ 77 sv = version; 78 sv.drm_dd_major++; 79 ret = ioctl(fd, DRM_IOCTL_SET_VERSION, &sv); 80 assert(ret == -1 && errno == EINVAL); 81 82 /* Check that an invalid DD minor fails */ 83 sv = version; 84 sv.drm_dd_minor++; 85 ret = ioctl(fd, DRM_IOCTL_SET_VERSION, &sv); 86 assert(ret == -1 && errno == EINVAL); 87 88 close(fd); 89 return 0; 90 } 91