linux/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chid.c

/*
 * Copyright 2020 Red Hat Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 */
#include "chid.h"

void
nvkm_chid_put(struct nvkm_chid *chid, int id, spinlock_t *data_lock)
{ … }

int
nvkm_chid_get(struct nvkm_chid *chid, void *data)
{ … }

static void
nvkm_chid_del(struct kref *kref)
{ … }

void
nvkm_chid_unref(struct nvkm_chid **pchid)
{ … }

struct nvkm_chid *
nvkm_chid_ref(struct nvkm_chid *chid)
{ … }

int
nvkm_chid_new(const struct nvkm_event_func *func, struct nvkm_subdev *subdev,
	      int nr, int first, int count, struct nvkm_chid **pchid)
{ … }