44 lines
1.0 KiB
C
44 lines
1.0 KiB
C
|
/* 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_ */
|