[people/arne_f/kernel.git] / drivers / gpu / drm / nouveau / include / nvif / notify.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __NVIF_NOTIFY_H__
#define __NVIF_NOTIFY_H__

struct nvif_notify {
	struct nvif_object *object;
	int index;

#define NVIF_NOTIFY_USER 0
#define NVIF_NOTIFY_WORK 1
	unsigned long flags;
	atomic_t putcnt;
	void (*dtor)(struct nvif_notify *);
#define NVIF_NOTIFY_DROP 0
#define NVIF_NOTIFY_KEEP 1
	int  (*func)(struct nvif_notify *);

	/* this is const for a *very* good reason - the data might be on the
	 * stack from an irq handler.  if you're not nvif/notify.c then you
	 * should probably think twice before casting it away...
	 */
	const void *data;
	u32 size;
	struct work_struct work;
};

int  nvif_notify_init(struct nvif_object *, int (*func)(struct nvif_notify *),
		      bool work, u8 type, void *data, u32 size, u32 reply,
		      struct nvif_notify *);
int  nvif_notify_fini(struct nvif_notify *);
int  nvif_notify_get(struct nvif_notify *);
int  nvif_notify_put(struct nvif_notify *);
int  nvif_notify(const void *, u32, const void *, u32);
#endif
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
a04d0423 BS	2	#ifndef __NVIF_NOTIFY_H__
	3	#define __NVIF_NOTIFY_H__
	4
	5	struct nvif_notify {
	6	struct nvif_object *object;
	7	int index;
	8
	9	#define NVIF_NOTIFY_USER 0
	10	#define NVIF_NOTIFY_WORK 1
	11	unsigned long flags;
	12	atomic_t putcnt;
	13	void (dtor)(struct nvif_notify );
	14	#define NVIF_NOTIFY_DROP 0
	15	#define NVIF_NOTIFY_KEEP 1
	16	int (func)(struct nvif_notify );
	17
	18	/* this is const for a very good reason - the data might be on the
	19	* stack from an irq handler. if you're not nvif/notify.c then you
	20	* should probably think twice before casting it away...
	21	*/
	22	const void *data;
	23	u32 size;
	24	struct work_struct work;
	25	};
	26
a01ca78c BS	27	int nvif_notify_init(struct nvif_object , int (func)(struct nvif_notify *),
	28	bool work, u8 type, void *data, u32 size, u32 reply,
	29	struct nvif_notify *);
a04d0423 BS	30	int nvif_notify_fini(struct nvif_notify *);
	31	int nvif_notify_get(struct nvif_notify *);
	32	int nvif_notify_put(struct nvif_notify *);
	33	int nvif_notify(const void , u32, const void , u32);
a04d0423	34	#endif