1/* swc: launch/devmajor-linux.c
 2 *
 3 * Copyright (c) 2013, 2014, 2016 Michael Forney
 4 * Copyright (c) 2020 Nia Alarie
 5 *
 6 * Based in part upon weston-launch.c from weston which is:
 7 *
 8 *     Copyright © 2012 Benjamin Franzke
 9 *
10 * Permission is hereby granted, free of charge, to any person obtaining a copy
11 * of this software and associated documentation files (the "Software"), to deal
12 * in the Software without restriction, including without limitation the rights
13 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
14 * copies of the Software, and to permit persons to whom the Software is
15 * furnished to do so, subject to the following conditions:
16 *
17 * The above copyright notice and this permission notice shall be included in
18 * all copies or substantial portions of the Software.
19 *
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
21 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
23 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
24 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
25 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
26 * SOFTWARE.
27 */
28#include "devmajor.h"
29#include <linux/major.h>
30#include <sys/sysmacros.h>
31
32#ifndef DRM_MAJOR
33#define DRM_MAJOR 226
34#endif
35
36bool
37device_is_input(dev_t rdev)
38{
39	return major(rdev) == INPUT_MAJOR;
40}
41
42bool
43device_is_tty(dev_t rdev)
44{
45	return major(rdev) == TTY_MAJOR;
46}
47
48bool
49device_is_drm(dev_t rdev)
50{
51	return major(rdev) == DRM_MAJOR;
52}