/* * lib_sw_fence.h - library routines for testing N:M synchronisation points * * Copyright (C) 2017 Intel Corporation * * This file is released under the GPLv2. * */ #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_ */