102 	struct intel_engine_cs *ring;
146 struct  intel_engine_cs {  struct
174 	bool __must_check (*irq_get)(struct intel_engine_cs *ring);  argument
175 	void		(*irq_put)(struct intel_engine_cs *ring);  argument
177 	int		(*init_hw)(struct intel_engine_cs *ring);  argument
181 	void		(*write_tail)(struct intel_engine_cs *ring,  argument
193 	u32		(*get_seqno)(struct intel_engine_cs *ring,  argument
195 	void		(*set_seqno)(struct intel_engine_cs *ring,  argument
203 	void		(*cleanup)(struct intel_engine_cs *ring);  argument
257 				   struct intel_engine_cs *from,  argument
351 bool intel_ring_initialized(struct intel_engine_cs *ring);  argument
354 intel_ring_flag(struct intel_engine_cs *ring)  in intel_ring_flag()
360 intel_ring_sync_index(struct intel_engine_cs *ring,  in intel_ring_sync_index()
361 		      struct intel_engine_cs *other)  in intel_ring_sync_index()
381 intel_flush_status_page(struct intel_engine_cs *ring, int reg)  in intel_flush_status_page()
388 intel_read_status_page(struct intel_engine_cs *ring,  in intel_read_status_page()
397 intel_write_status_page(struct intel_engine_cs *ring,  in intel_write_status_page()
424 intel_engine_create_ringbuffer(struct intel_engine_cs *engine, int size);
430 void intel_stop_ring_buffer(struct intel_engine_cs *ring);
431 void intel_cleanup_ring_buffer(struct intel_engine_cs *ring);
437 static inline void intel_ring_emit(struct intel_engine_cs *ring,  in intel_ring_emit()
444 static inline void intel_ring_advance(struct intel_engine_cs *ring)  in intel_ring_advance()
452 bool intel_ring_stopped(struct intel_engine_cs *ring);
454 int __must_check intel_ring_idle(struct intel_engine_cs *ring);
455 void intel_ring_init_seqno(struct intel_engine_cs *ring, u32 seqno);
459 void intel_fini_pipe_control(struct intel_engine_cs *ring);
460 int intel_init_pipe_control(struct intel_engine_cs *ring);
468 u64 intel_ring_get_active_head(struct intel_engine_cs *ring);
470 int init_workarounds_ring(struct intel_engine_cs *ring);