33 struct fence;
72 struct fence {  struct
90 typedef void (*fence_func_t)(struct fence *fence, struct fence_cb *cb);  argument
166 	const char * (*get_driver_name)(struct fence *fence);
167 	const char * (*get_timeline_name)(struct fence *fence);
168 	bool (*enable_signaling)(struct fence *fence);
169 	bool (*signaled)(struct fence *fence);
170 	signed long (*wait)(struct fence *fence, bool intr, signed long timeout);
171 	void (*release)(struct fence *fence);
173 	int (*fill_driver_data)(struct fence *fence, void *data, int size);
174 	void (*fence_value_str)(struct fence *fence, char *str, int size);
175 	void (*timeline_value_str)(struct fence *fence, char *str, int size);
178 void fence_init(struct fence *fence, const struct fence_ops *ops,
182 void fence_free(struct fence *fence);
190 static inline struct fence *fence_get(struct fence *fence)  in fence_get()  argument
192 	if (fence)  in fence_get()
193 		kref_get(&fence->refcount);  in fence_get()
194 	return fence;  in fence_get()
203 static inline struct fence *fence_get_rcu(struct fence *fence)  in fence_get_rcu()  argument
205 	if (kref_get_unless_zero(&fence->refcount))  in fence_get_rcu()
206 		return fence;  in fence_get_rcu()
215 static inline void fence_put(struct fence *fence)  in fence_put()  argument
217 	if (fence)  in fence_put()
218 		kref_put(&fence->refcount, fence_release);  in fence_put()
221 int fence_signal(struct fence *fence);
222 int fence_signal_locked(struct fence *fence);
223 signed long fence_default_wait(struct fence *fence, bool intr, signed long timeout);
224 int fence_add_callback(struct fence *fence, struct fence_cb *cb,
226 bool fence_remove_callback(struct fence *fence, struct fence_cb *cb);
227 void fence_enable_sw_signaling(struct fence *fence);
241 fence_is_signaled_locked(struct fence *fence)  in fence_is_signaled_locked()  argument
243 	if (test_bit(FENCE_FLAG_SIGNALED_BIT, &fence->flags))  in fence_is_signaled_locked()
246 	if (fence->ops->signaled && fence->ops->signaled(fence)) {  in fence_is_signaled_locked()
247 		fence_signal_locked(fence);  in fence_is_signaled_locked()
269 fence_is_signaled(struct fence *fence)  in fence_is_signaled()  argument
271 	if (test_bit(FENCE_FLAG_SIGNALED_BIT, &fence->flags))  in fence_is_signaled()
274 	if (fence->ops->signaled && fence->ops->signaled(fence)) {  in fence_is_signaled()
275 		fence_signal(fence);  in fence_is_signaled()
291 static inline struct fence *fence_later(struct fence *f1, struct fence *f2)  in fence_later()
307 signed long fence_wait_timeout(struct fence *, bool intr, signed long timeout);
323 static inline signed long fence_wait(struct fence *fence, bool intr)  in fence_wait()  argument
331 	ret = fence_wait_timeout(fence, intr, MAX_SCHEDULE_TIMEOUT);  in fence_wait()
340 		struct fence *__ff = (f);				\
348 		struct fence *__ff = (f);				\
355 		struct fence *__ff = (f);				\