linux/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/umem.c

/*
 * Copyright 2017 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 "umem.h"
#include "ummu.h"

#include <core/client.h>
#include <core/memory.h>
#include <subdev/bar.h>

#include <nvif/class.h>
#include <nvif/if000a.h>
#include <nvif/unpack.h>

static const struct nvkm_object_func nvkm_umem;
struct nvkm_memory *
nvkm_umem_search(struct nvkm_client *client, u64 handle)
{ … }

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

static int
nvkm_umem_map(struct nvkm_object *object, void *argv, u32 argc,
	      enum nvkm_object_map *type, u64 *handle, u64 *length)
{ … }

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

static const struct nvkm_object_func
nvkm_umem = …;

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