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1/*
2 * Copyright (c) 2017-2021, 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#ifndef NVGPU_BUG_H
23#define NVGPU_BUG_H
24
25#ifdef __KERNEL__
26#include <linux/bug.h>
27/*
28 * Define an assert macro that code within nvgpu can use.
29 *
30 * The goal of this macro is for debugging but what that means varies from OS
31 * to OS. On Linux wee don't want to BUG() for general driver misbehaving. BUG()
32 * is a very heavy handed tool - in fact there's probably no where within the
33 * nvgpu core code where it makes sense to use a BUG() when running under Linux.
34 *
35 * However, on QNX (and POSIX) BUG() will just kill the current process. This
36 * means we can use it for handling bugs in nvgpu.
37 *
38 * As a result this macro varies depending on platform.
39 */
40#define nvgpu_assert(cond) ((void) WARN_ON(!(cond)))
41#define nvgpu_do_assert_print(g, fmt, arg...) \
42 do { \
43 nvgpu_err(g, fmt, ##arg); \
44 } while (false)
45#elif defined(__NVGPU_POSIX__)
46#include <nvgpu/posix/bug.h>
47#else
48#include <nvgpu_rmos/include/bug.h>
49#endif
50
51#endif /* NVGPU_BUG_H */