linux/drivers/gpu/drm/nouveau/include/nvkm/core/event.h

/* SPDX-License-Identifier: MIT */
#ifndef __NVKM_EVENT_H__
#define __NVKM_EVENT_H__
#include <core/os.h>
struct nvkm_object;
struct nvkm_oclass;
struct nvkm_uevent;

struct nvkm_event { … };

struct nvkm_event_func { … };

int  __nvkm_event_init(const struct nvkm_event_func *func, struct nvkm_subdev *, int types_nr,
		       int index_nr, struct nvkm_event *);

/* Each nvkm_event needs its own lockdep class due to inter-dependencies, to
 * prevent lockdep false-positives.
 *
 * Inlining the spinlock initialisation ensures each is unique.
 */
static __always_inline int
nvkm_event_init(const struct nvkm_event_func *func, struct nvkm_subdev *subdev,
		int types_nr, int index_nr, struct nvkm_event *event)
{ … }

void nvkm_event_fini(struct nvkm_event *);

#define NVKM_EVENT_KEEP …
#define NVKM_EVENT_DROP …
struct nvkm_event_ntfy;
nvkm_event_func;

struct nvkm_event_ntfy { … };

void nvkm_event_ntfy(struct nvkm_event *, int id, u32 bits);
bool nvkm_event_ntfy_valid(struct nvkm_event *, int id, u32 bits);
void nvkm_event_ntfy_add(struct nvkm_event *, int id, u32 bits, bool wait, nvkm_event_func,
			 struct nvkm_event_ntfy *);
void nvkm_event_ntfy_del(struct nvkm_event_ntfy *);
void nvkm_event_ntfy_allow(struct nvkm_event_ntfy *);
void nvkm_event_ntfy_block(struct nvkm_event_ntfy *);

nvkm_uevent_func;

int nvkm_uevent_new(const struct nvkm_oclass *, void *argv, u32 argc, struct nvkm_object **);
int nvkm_uevent_add(struct nvkm_uevent *, struct nvkm_event *, int id, u32 bits, nvkm_uevent_func);
#endif