diff options
Diffstat (limited to 'drivers/gpu/nvgpu/include/nvgpu/posix/barrier.h')
-rw-r--r-- | drivers/gpu/nvgpu/include/nvgpu/posix/barrier.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/drivers/gpu/nvgpu/include/nvgpu/posix/barrier.h b/drivers/gpu/nvgpu/include/nvgpu/posix/barrier.h new file mode 100644 index 00000000..edc7b129 --- /dev/null +++ b/drivers/gpu/nvgpu/include/nvgpu/posix/barrier.h | |||
@@ -0,0 +1,44 @@ | |||
1 | /* | ||
2 | * Copyright (c) 2017, 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_POSIX_BARRIER_H__ | ||
24 | #define __NVGPU_POSIX_BARRIER_H__ | ||
25 | |||
26 | #define ACCESS_ONCE(x) (*(volatile __typeof__(x) *)&x) | ||
27 | |||
28 | /* | ||
29 | * TODO: implement all these! | ||
30 | */ | ||
31 | #define __nvgpu_mb() | ||
32 | #define __nvgpu_rmb() | ||
33 | #define __nvgpu_wmb() | ||
34 | |||
35 | #define __nvgpu_smp_mb() | ||
36 | #define __nvgpu_smp_rmb() | ||
37 | #define __nvgpu_smp_wmb() | ||
38 | |||
39 | #define __nvgpu_read_barrier_depends() | ||
40 | #define __nvgpu_smp_read_barrier_depends() | ||
41 | |||
42 | #define __NV_ACCESS_ONCE(x) ACCESS_ONCE(x) | ||
43 | |||
44 | #endif | ||