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

/*
 * Copyright 2010 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 "ummu.h"
#include "vmm.h"

#include <subdev/bar.h>
#include <subdev/fb.h>

#include <nvif/if500d.h>
#include <nvif/if900d.h>

struct nvkm_mmu_ptp { … };

static void
nvkm_mmu_ptp_put(struct nvkm_mmu *mmu, bool force, struct nvkm_mmu_pt *pt)
{ … }

static struct nvkm_mmu_pt *
nvkm_mmu_ptp_get(struct nvkm_mmu *mmu, u32 size, bool zero)
{ … }

struct nvkm_mmu_ptc { … };

static inline struct nvkm_mmu_ptc *
nvkm_mmu_ptc_find(struct nvkm_mmu *mmu, u32 size)
{ … }

void
nvkm_mmu_ptc_put(struct nvkm_mmu *mmu, bool force, struct nvkm_mmu_pt **ppt)
{ … }

struct nvkm_mmu_pt *
nvkm_mmu_ptc_get(struct nvkm_mmu *mmu, u32 size, u32 align, bool zero)
{ … }

void
nvkm_mmu_ptc_dump(struct nvkm_mmu *mmu)
{ … }

static void
nvkm_mmu_ptc_fini(struct nvkm_mmu *mmu)
{ … }

static void
nvkm_mmu_ptc_init(struct nvkm_mmu *mmu)
{ … }

static void
nvkm_mmu_type(struct nvkm_mmu *mmu, int heap, u8 type)
{ … }

static int
nvkm_mmu_heap(struct nvkm_mmu *mmu, u8 type, u64 size)
{ … }

static void
nvkm_mmu_host(struct nvkm_mmu *mmu)
{ … }

static void
nvkm_mmu_vram(struct nvkm_mmu *mmu)
{ … }

static int
nvkm_mmu_oneinit(struct nvkm_subdev *subdev)
{ … }

static int
nvkm_mmu_init(struct nvkm_subdev *subdev)
{ … }

static void *
nvkm_mmu_dtor(struct nvkm_subdev *subdev)
{ … }

static const struct nvkm_subdev_func
nvkm_mmu = …;

void
nvkm_mmu_ctor(const struct nvkm_mmu_func *func, struct nvkm_device *device,
	      enum nvkm_subdev_type type, int inst, struct nvkm_mmu *mmu)
{ … }

int
nvkm_mmu_new_(const struct nvkm_mmu_func *func, struct nvkm_device *device,
	      enum nvkm_subdev_type type, int inst, struct nvkm_mmu **pmmu)
{ … }