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