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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* lib_sw_fence.h - library routines for testing N:M synchronisation points
*
* Copyright (C) 2017 Intel Corporation
*/
#ifndef _LIB_SW_FENCE_H_
#define _LIB_SW_FENCE_H_
#include <linux/timer.h>
#include "../i915_sw_fence.h"
#ifdef CONFIG_LOCKDEP
#define onstack_fence_init(fence) \
do { \
static struct lock_class_key __key; \
\
__onstack_fence_init((fence), #fence, &__key); \
} while (0)
#else
#define onstack_fence_init(fence) \
__onstack_fence_init((fence), NULL, NULL)
#endif
void __onstack_fence_init(struct i915_sw_fence *fence,
const char *name,
struct lock_class_key *key);
void onstack_fence_fini(struct i915_sw_fence *fence);
struct timed_fence {
struct i915_sw_fence fence;
struct timer_list timer;
};
void timed_fence_init(struct timed_fence *tf, unsigned long expires);
void timed_fence_fini(struct timed_fence *tf);
struct i915_sw_fence *heap_fence_create(gfp_t gfp);
void heap_fence_put(struct i915_sw_fence *fence);
#endif /* _LIB_SW_FENCE_H_ */
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