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      1 /*	$NetBSD: event.h,v 1.3 2021/12/18 23:45:33 riastradh Exp $	*/
      2 
      3 /* SPDX-License-Identifier: MIT */
      4 #ifndef __NVKM_EVENT_H__
      5 #define __NVKM_EVENT_H__
      6 #include <core/os.h>
      7 struct nvkm_notify;
      8 struct nvkm_object;
      9 
     10 struct nvkm_event {
     11 	const struct nvkm_event_func *func;
     12 
     13 	int types_nr;
     14 	int index_nr;
     15 
     16 	spinlock_t refs_lock;
     17 	spinlock_t list_lock;
     18 	struct list_head list;
     19 	int *refs;
     20 };
     21 
     22 struct nvkm_event_func {
     23 	int  (*ctor)(struct nvkm_object *, void *data, u32 size,
     24 		     struct nvkm_notify *);
     25 	void (*send)(void *data, u32 size, struct nvkm_notify *);
     26 	void (*init)(struct nvkm_event *, int type, int index);
     27 	void (*fini)(struct nvkm_event *, int type, int index);
     28 };
     29 
     30 int  nvkm_event_init(const struct nvkm_event_func *func, int types_nr,
     31 		     int index_nr, struct nvkm_event *);
     32 void nvkm_event_fini(struct nvkm_event *);
     33 void nvkm_event_get(struct nvkm_event *, u32 types, int index);
     34 void nvkm_event_put(struct nvkm_event *, u32 types, int index);
     35 void nvkm_event_send(struct nvkm_event *, u32 types, int index,
     36 		     void *data, u32 size);
     37 #endif
     38