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 */ 38int 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} 90