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

/*
 * Copyright 2021 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.
 */
#define nvkm_uchan(p) …
#include "priv.h"
#include "cgrp.h"
#include "chan.h"
#include "chid.h"
#include "runl.h"

#include <core/gpuobj.h>
#include <core/oproxy.h>
#include <subdev/mmu.h>
#include <engine/dma.h>

#include <nvif/if0020.h>

struct nvkm_uchan { … };

static int
nvkm_uchan_uevent(struct nvkm_object *object, void *argv, u32 argc, struct nvkm_uevent *uevent)
{ … }

struct nvkm_uobj { … };

static int
nvkm_uchan_object_fini_1(struct nvkm_oproxy *oproxy, bool suspend)
{ … }

static int
nvkm_uchan_object_init_0(struct nvkm_oproxy *oproxy)
{ … }

static void
nvkm_uchan_object_dtor(struct nvkm_oproxy *oproxy)
{ … }

static const struct nvkm_oproxy_func
nvkm_uchan_object = …;

static int
nvkm_uchan_object_new(const struct nvkm_oclass *oclass, void *argv, u32 argc,
		      struct nvkm_object **pobject)
{ … }

static int
nvkm_uchan_sclass(struct nvkm_object *object, int index, struct nvkm_oclass *oclass)
{ … }

static int
nvkm_uchan_map(struct nvkm_object *object, void *argv, u32 argc,
	       enum nvkm_object_map *type, u64 *addr, u64 *size)
{ … }

static int
nvkm_uchan_fini(struct nvkm_object *object, bool suspend)
{ … }

static int
nvkm_uchan_init(struct nvkm_object *object)
{ … }

static void *
nvkm_uchan_dtor(struct nvkm_object *object)
{ … }

static const struct nvkm_object_func
nvkm_uchan = …;

struct nvkm_chan *
nvkm_uchan_chan(struct nvkm_object *object)
{ … }

int
nvkm_uchan_new(struct nvkm_fifo *fifo, struct nvkm_cgrp *cgrp, const struct nvkm_oclass *oclass,
	       void *argv, u32 argc, struct nvkm_object **pobject)
{ … }