1#ifndef __NVKM_NOTIFY_H__
2#define __NVKM_NOTIFY_H__
3#include <core/os.h>
4struct nvkm_object;
5
6struct nvkm_notify {
7	struct nvkm_event *event;
8	struct list_head head;
9#define NVKM_NOTIFY_USER 0
10#define NVKM_NOTIFY_WORK 1
11	unsigned long flags;
12	int block;
13#define NVKM_NOTIFY_DROP 0
14#define NVKM_NOTIFY_KEEP 1
15	int (*func)(struct nvkm_notify *);
16
17	/* set by nvkm_event ctor */
18	u32 types;
19	int index;
20	u32 size;
21
22	struct work_struct work;
23	/* this is const for a *very* good reason - the data might be on the
24	 * stack from an irq handler.  if you're not core/notify.c then you
25	 * should probably think twice before casting it away...
26	 */
27	const void *data;
28};
29
30int  nvkm_notify_init(struct nvkm_object *, struct nvkm_event *,
31		      int (*func)(struct nvkm_notify *), bool work,
32		      void *data, u32 size, u32 reply,
33		      struct nvkm_notify *);
34void nvkm_notify_fini(struct nvkm_notify *);
35void nvkm_notify_get(struct nvkm_notify *);
36void nvkm_notify_put(struct nvkm_notify *);
37void nvkm_notify_send(struct nvkm_notify *, void *data, u32 size);
38#endif
39