289 struct intel_engine_cs {  struct
290 	struct drm_i915_private *i915;
291 	char name[INTEL_ENGINE_CS_MAX_NAME];
292 	enum intel_engine_id id;
293 	unsigned int uabi_id;
294 	unsigned int hw_id;
295 	unsigned int guc_id;
297 	u8 class;
298 	u8 instance;
299 	u32 context_size;
300 	u32 mmio_base;
301 	unsigned int irq_shift;
303 	struct intel_ring *buffer;
304 	struct intel_timeline *timeline;
306 	struct intel_render_state *render_state;
308 	atomic_t irq_count;
309 	unsigned long irq_posted;
329 	struct intel_breadcrumbs {
361 	void		(*irq_enable)(struct intel_engine_cs *engine);  argument
362 	void		(*irq_disable)(struct intel_engine_cs *engine);  argument
364 	int		(*init_hw)(struct intel_engine_cs *engine);  argument
365 	void		(*reset_hw)(struct intel_engine_cs *engine,  argument
368 	void		(*set_default_submission)(struct intel_engine_cs *engine);  argument
370 	struct intel_ring *(*context_pin)(struct intel_engine_cs *engine,  argument
372 	void		(*context_unpin)(struct intel_engine_cs *engine,  argument
374 	int		(*request_alloc)(struct drm_i915_gem_request *req);
375 	int		(*init_context)(struct drm_i915_gem_request *req);
377 	int		(*emit_flush)(struct drm_i915_gem_request *request,
382 	int		(*emit_bb_start)(struct drm_i915_gem_request *req,
388 	void		(*emit_breadcrumb)(struct drm_i915_gem_request *req,
390 	int		emit_breadcrumb_sz;
415 	void		(*cancel_requests)(struct intel_engine_cs *engine);  argument
423 	void		(*irq_seqno_barrier)(struct intel_engine_cs *engine);  argument
424 	void		(*cleanup)(struct intel_engine_cs *engine);  argument
463 	struct {
481 	} semaphore;
483 	struct intel_engine_execlists execlists;
494 	struct i915_gem_context *last_retired_context;
502 	struct i915_gem_context *legacy_active_context;
505 	struct atomic_notifier_head context_status_notifier;
507 	struct intel_engine_hangcheck hangcheck;
509 	bool needs_cmd_parser;
520 	const struct drm_i915_reg_table *reg_tables;
521 	int reg_table_count;
533 	u32 (*get_cmd_length_mask)(u32 cmd_header);