diff options
author | Debarshi Dutta <ddutta@nvidia.com> | 2017-08-18 06:52:29 -0400 |
---|---|---|
committer | mobile promotions <svcmobile_promotions@nvidia.com> | 2017-08-22 06:53:51 -0400 |
commit | 81868a187fa3b217368206f17b19309846e8e7fb (patch) | |
tree | 2b59e33b61cc6e206f7781f3b4ab44c5c7b6d721 /drivers/gpu/nvgpu/include/nvgpu | |
parent | 5f010177de985c901c33c914efe70a8498a5974f (diff) |
gpu: nvgpu: Nvgpu abstraction for linux barriers.
construct wrapper nvgpu_* methods to replace
mb,rmb,wmb,smp_mb,smp_rmb,smp_wmb,read_barrier_depends and
smp_read_barrier_depends.
NVGPU-122
Change-Id: I8d24dd70fef5cb0fadaacc15f3ab11531667a0df
Signed-off-by: Debarshi <ddutta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1541199
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Sourab Gupta <sourabg@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
Diffstat (limited to 'drivers/gpu/nvgpu/include/nvgpu')
-rw-r--r-- | drivers/gpu/nvgpu/include/nvgpu/barrier.h | 40 | ||||
-rw-r--r-- | drivers/gpu/nvgpu/include/nvgpu/linux/barrier.h | 33 |
2 files changed, 73 insertions, 0 deletions
diff --git a/drivers/gpu/nvgpu/include/nvgpu/barrier.h b/drivers/gpu/nvgpu/include/nvgpu/barrier.h new file mode 100644 index 00000000..26eec3ed --- /dev/null +++ b/drivers/gpu/nvgpu/include/nvgpu/barrier.h | |||
@@ -0,0 +1,40 @@ | |||
1 | /* | ||
2 | * Copyright (c) 2017, NVIDIA CORPORATION. All rights reserved. | ||
3 | * | ||
4 | * This program is free software; you can redistribute it and/or modify it | ||
5 | * under the terms and conditions of the GNU General Public License, | ||
6 | * version 2, as published by the Free Software Foundation. | ||
7 | * | ||
8 | * This program is distributed in the hope it will be useful, but WITHOUT | ||
9 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
10 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | ||
11 | * more details. | ||
12 | * | ||
13 | * You should have received a copy of the GNU General Public License | ||
14 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
15 | */ | ||
16 | |||
17 | /* This file contains NVGPU_* high-level abstractions for various | ||
18 | * memor-barrier operations available in linux/kernel. Every OS | ||
19 | * should provide their own OS specific calls under this common API | ||
20 | */ | ||
21 | |||
22 | #ifndef __NVGPU_BARRIER_H__ | ||
23 | #define __NVGPU_BARRIER_H__ | ||
24 | |||
25 | #ifdef __KERNEL__ | ||
26 | #include <nvgpu/linux/barrier.h> | ||
27 | #endif | ||
28 | |||
29 | #define nvgpu_mb() __nvgpu_mb() | ||
30 | #define nvgpu_rmb() __nvgpu_rmb() | ||
31 | #define nvgpu_wmb() __nvgpu_wmb() | ||
32 | |||
33 | #define nvgpu_smp_mb() __nvgpu_smp_mb() | ||
34 | #define nvgpu_smp_rmb() __nvgpu_smp_rmb() | ||
35 | #define nvgpu_smp_wmb() __nvgpu_smp_wmb() | ||
36 | |||
37 | #define nvgpu_read_barrier_depends() __nvgpu_read_barrier_depends() | ||
38 | #define nvgpu_smp_read_barrier_depends() __nvgpu_smp_read_barrier_depends() | ||
39 | |||
40 | #endif /* __NVGPU_BARRIER_H__ */ | ||
diff --git a/drivers/gpu/nvgpu/include/nvgpu/linux/barrier.h b/drivers/gpu/nvgpu/include/nvgpu/linux/barrier.h new file mode 100644 index 00000000..e7b83ee8 --- /dev/null +++ b/drivers/gpu/nvgpu/include/nvgpu/linux/barrier.h | |||
@@ -0,0 +1,33 @@ | |||
1 | /* | ||
2 | * Copyright (c) 2017, NVIDIA CORPORATION. All rights reserved. | ||
3 | * | ||
4 | * This program is free software; you can redistribute it and/or modify it | ||
5 | * under the terms and conditions of the GNU General Public License, | ||
6 | * version 2, as published by the Free Software Foundation. | ||
7 | * | ||
8 | * This program is distributed in the hope it will be useful, but WITHOUT | ||
9 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
10 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | ||
11 | * more details. | ||
12 | * | ||
13 | * You should have received a copy of the GNU General Public License | ||
14 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
15 | */ | ||
16 | |||
17 | #ifndef __NVGPU_BARRIER_LINUX_H__ | ||
18 | #define __NVGPU_BARRIER_LINUX_H__ | ||
19 | |||
20 | #include <asm/barrier.h> | ||
21 | |||
22 | #define __nvgpu_mb() mb() | ||
23 | #define __nvgpu_rmb() rmb() | ||
24 | #define __nvgpu_wmb() wmb() | ||
25 | |||
26 | #define __nvgpu_smp_mb() smp_mb() | ||
27 | #define __nvgpu_smp_rmb() smp_rmb() | ||
28 | #define __nvgpu_smp_wmb() smp_wmb() | ||
29 | |||
30 | #define __nvgpu_read_barrier_depends() read_barrier_depends() | ||
31 | #define __nvgpu_smp_read_barrier_depends() smp_read_barrier_depends() | ||
32 | |||
33 | #endif /* __NVGPU_BARRIER_LINUX_H__ */ | ||