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notify.h revision 1.1 
      1 /*	$NetBSD: notify.h,v 1.1 2018/08/27 01:34:55 riastradh Exp $	*/
      2 
      3 #ifndef __NVIF_NOTIFY_H__
      4 #define __NVIF_NOTIFY_H__
      5 
      6 struct nvif_notify {
      7 	struct nvif_object *object;
      8 	int index;
      9 
     10 #define NVIF_NOTIFY_USER 0
     11 #define NVIF_NOTIFY_WORK 1
     12 	unsigned long flags;
     13 	atomic_t putcnt;
     14 	void (*dtor)(struct nvif_notify *);
     15 #define NVIF_NOTIFY_DROP 0
     16 #define NVIF_NOTIFY_KEEP 1
     17 	int  (*func)(struct nvif_notify *);
     18 
     19 	/* this is const for a *very* good reason - the data might be on the
     20 	 * stack from an irq handler.  if you're not nvif/notify.c then you
     21 	 * should probably think twice before casting it away...
     22 	 */
     23 	const void *data;
     24 	u32 size;
     25 	struct work_struct work;
     26 };
     27 
     28 int  nvif_notify_init(struct nvif_object *, int (*func)(struct nvif_notify *),
     29 		      bool work, u8 type, void *data, u32 size, u32 reply,
     30 		      struct nvif_notify *);
     31 int  nvif_notify_fini(struct nvif_notify *);
     32 int  nvif_notify_get(struct nvif_notify *);
     33 int  nvif_notify_put(struct nvif_notify *);
     34 int  nvif_notify(const void *, u32, const void *, u32);
     35 #endif
     36