/* 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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#ifndef _LIB_SW_FENCE_H_
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#define _LIB_SW_FENCE_H_
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#include <linux/timer.h>
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#include "../i915_sw_fence.h"
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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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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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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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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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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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#endif /* _LIB_SW_FENCE_H_ */
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