include/gk20a/fence_gk20a.h



01e6fac


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
111.000000	64.000000	105.000000	95.000000	113.000000	75.000000	116.000000	96.000000	76.000000	58.000000	44.000000	72.000000	77.000000	88.000000	139.000000	111.000000	104.000000	98.000000	71.000000	76.000000	80.000000	79.000000	133.000000	108.000000	148.000000	117.000000	84.000000	60.000000	100.000000	91.000000	60.000000	73.000000	118.000000	151.000000	131.000000	82.000000	142.000000	90.000000	95.000000	100.000000	116.000000	122.000000	90.000000	95.000000	74.000000	154.000000	102.000000	97.000000	71.000000	102.000000	128.000000	72.000000	77.000000	98.000000	145.000000	114.000000	86.000000	94.000000	88.000000	118.000000	87.000000	92.000000	75.000000	76.000000	82.000000	66.000000	98.000000	60.000000	64.000000	71.000000	76.000000	80.000000	79.000000	102.000000	128.000000	129.000000	111.000000	63.000000	117.000000	88.000000	124.000000	71.000000	103.000000	124.000000	73.000000	80.000000	90.000000	72.000000	66.000000	97.000000	77.000000	77.000000	63.000000	73.000000	118.000000	151.000000	98.000000	64.000000	67.000000	65.000000	72.000000	77.000000	98.000000	145.000000	114.000000	86.000000	111.000000	104.000000	108.000000	146.000000	69.000000	97.000000	100.000000	101.000000	67.000000	135.000000	82.000000	86.000000	101.000000	148.000000	117.000000	76.000000	58.000000	44.000000	72.000000	89.000000	137.000000	95.000000	60.000000	110.000000	105.000000	98.000000	110.000000	128.000000	131.000000	115.000000	73.000000	115.000000	77.000000	146.000000	112.000000	64.000000	72.000000	78.000000	56.000000	40.000000	56.000000	40.000000	100.000000	116.000000	122.000000	86.000000	74.000000	86.000000	77.000000	94.000000	109.000000	130.000000	83.000000	91.000000	73.000000	63.000000	82.000000	66.000000	98.000000	101.000000	148.000000	96.000000	104.000000	73.000000	100.000000	114.000000	78.000000	109.000000	55.000000	74.000000	77.000000	88.000000	139.000000	99.000000	142.000000	90.000000	63.000000	83.000000	104.000000	85.000000	104.000000	88.000000	90.000000	95.000000	63.000000	103.000000	78.000000	56.000000	40.000000	99.000000	139.000000	94.000000	102.000000	94.000000	66.000000	116.000000	96.000000	83.000000	133.000000	108.000000	146.000000	69.000000	86.000000	74.000000	86.000000	77.000000	94.000000	109.000000	130.000000	83.000000	55.000000	74.000000	71.000000	102.000000	128.000000	88.000000	118.000000	32.000000	75.000000	63.000000	88.000000	75.000000	95.000000	53.000000	113.000000	109.000000	137.000000	111.000000	63.000000	60.000000	80.000000	79.000000	83.000000	113.000000	77.000000	78.000000	67.000000	83.000000	122.000000	129.000000	99.000000	137.000000	154.000000	172.000000	110.000000	85.000000	148.000000	172.0000/*
 * drivers/video/tegra/host/gk20a/fence_gk20a.h
 *
 * GK20A Fences
 *
 * Copyright (c) 2014-2018, NVIDIA CORPORATION.  All rights reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 */
#ifndef NVGPU_GK20A_FENCE_GK20A_H
#define NVGPU_GK20A_FENCE_GK20A_H

#include <nvgpu/types.h>
#include <nvgpu/kref.h>
#include <nvgpu/os_fence.h>

struct platform_device;
struct nvgpu_semaphore;
struct channel_gk20a;
struct gk20a;
struct nvgpu_os_fence;

struct gk20a_fence_ops;

struct gk20a_fence {
	struct gk20a *g;

	/* Valid for all fence types: */
	bool valid;
	struct nvgpu_ref ref;
	const struct gk20a_fence_ops *ops;

	struct nvgpu_os_fence os_fence;

	/* Valid for fences created from semaphores: */
	struct nvgpu_semaphore *semaphore;
	struct nvgpu_cond *semaphore_wq;

	/* Valid for fences created from syncpoints: */
	struct nvgpu_nvhost_dev *nvhost_dev;
	u32 syncpt_id;
	u32 syncpt_value;

	/* Valid for fences part of a pre-allocated fence pool */
	struct nvgpu_allocator *allocator;
};

/* Fences can be created from semaphores or syncpoint (id, value) pairs */
int gk20a_fence_from_semaphore(
		struct gk20a_fence *fence_out,
		struct nvgpu_semaphore *semaphore,
		struct nvgpu_cond *semaphore_wq,
		struct nvgpu_os_fence os_fence);

int gk20a_fence_from_syncpt(
		struct gk20a_fence *fence_out,
		struct nvgpu_nvhost_dev *nvhost_dev,
		u32 id, u32 value,
		struct nvgpu_os_fence os_fence);

int gk20a_alloc_fence_pool(
		struct channel_gk20a *c,
		unsigned int count);

void gk20a_free_fence_pool(
		struct channel_gk20a *c);

struct gk20a_fence *gk20a_alloc_fence(
		struct channel_gk20a *c);

void gk20a_init_fence(struct gk20a_fence *f,
		const struct gk20a_fence_ops *ops,
		struct nvgpu_os_fence os_fence);

/* Fence operations */
void gk20a_fence_put(struct gk20a_fence *f);
struct gk20a_fence *gk20a_fence_get(struct gk20a_fence *f);
int gk20a_fence_wait(struct gk20a *g, struct gk20a_fence *f,
							unsigned long timeout);
bool gk20a_fence_is_expired(struct gk20a_fence *f);
bool gk20a_fence_is_valid(struct gk20a_fence *f);
int gk20a_fence_install_fd(struct gk20a_fence *f, int fd);

#endif /* NVGPU_GK20A_FENCE_GK20A_H */