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