linux/drivers/gpu/drm/nouveau/nvkm/engine/dma/user.c

/*
 * Copyright 2012 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.
 *
 * Authors: Ben Skeggs
 */
#include "user.h"

#include <core/client.h>
#include <core/gpuobj.h>
#include <subdev/fb.h>

#include <nvif/cl0002.h>
#include <nvif/unpack.h>

static const struct nvkm_object_func nvkm_dmaobj_func;
struct nvkm_dmaobj *
nvkm_dmaobj_search(struct nvkm_client *client, u64 handle)
{ … }

static int
nvkm_dmaobj_bind(struct nvkm_object *base, struct nvkm_gpuobj *gpuobj,
		 int align, struct nvkm_gpuobj **pgpuobj)
{ … }

static void *
nvkm_dmaobj_dtor(struct nvkm_object *base)
{ … }

static const struct nvkm_object_func
nvkm_dmaobj_func = …;

int
nvkm_dmaobj_ctor(const struct nvkm_dmaobj_func *func, struct nvkm_dma *dma,
		 const struct nvkm_oclass *oclass, void **pdata, u32 *psize,
		 struct nvkm_dmaobj *dmaobj)
{ … }