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-rw-r--r--include/nvgpu/lock.h75
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diff --git a/include/nvgpu/lock.h b/include/nvgpu/lock.h
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1/*
2 * Copyright (c) 2018, NVIDIA CORPORATION. All rights reserved.
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 shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
20 * DEALINGS IN THE SOFTWARE.
21 */
22
23#ifndef NVGPU_LOCK_H
24#define NVGPU_LOCK_H
25
26#ifdef __KERNEL__
27#include <nvgpu/linux/lock.h>
28#elif defined(__NVGPU_POSIX__)
29#include <nvgpu/posix/lock.h>
30#else
31#include <nvgpu_rmos/include/lock.h>
32#endif
33
34/*
35 * struct nvgpu_mutex
36 *
37 * Should be implemented per-OS in a separate library
38 * But implementation should adhere to mutex implementation
39 * as specified in Linux Documentation
40 */
41struct nvgpu_mutex;
42
43/*
44 * struct nvgpu_spinlock
45 *
46 * Should be implemented per-OS in a separate library
47 * But implementation should adhere to spinlock implementation
48 * as specified in Linux Documentation
49 */
50struct nvgpu_spinlock;
51
52/*
53 * struct nvgpu_raw_spinlock
54 *
55 * Should be implemented per-OS in a separate library
56 * But implementation should adhere to raw_spinlock implementation
57 * as specified in Linux Documentation
58 */
59struct nvgpu_raw_spinlock;
60
61int nvgpu_mutex_init(struct nvgpu_mutex *mutex);
62void nvgpu_mutex_acquire(struct nvgpu_mutex *mutex);
63void nvgpu_mutex_release(struct nvgpu_mutex *mutex);
64int nvgpu_mutex_tryacquire(struct nvgpu_mutex *mutex);
65void nvgpu_mutex_destroy(struct nvgpu_mutex *mutex);
66
67void nvgpu_spinlock_init(struct nvgpu_spinlock *spinlock);
68void nvgpu_spinlock_acquire(struct nvgpu_spinlock *spinlock);
69void nvgpu_spinlock_release(struct nvgpu_spinlock *spinlock);
70
71void nvgpu_raw_spinlock_init(struct nvgpu_raw_spinlock *spinlock);
72void nvgpu_raw_spinlock_acquire(struct nvgpu_raw_spinlock *spinlock);
73void nvgpu_raw_spinlock_release(struct nvgpu_raw_spinlock *spinlock);
74
75#endif /* NVGPU_LOCK_H */