linux/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmnv50.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 "vmm.h"

#include <subdev/fb.h>
#include <subdev/timer.h>
#include <engine/gr.h>

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

static inline void
nv50_vmm_pgt_pte(struct nvkm_vmm *vmm, struct nvkm_mmu_pt *pt,
		 u32 ptei, u32 ptes, struct nvkm_vmm_map *map, u64 addr)
{ … }

static void
nv50_vmm_pgt_sgl(struct nvkm_vmm *vmm, struct nvkm_mmu_pt *pt,
		 u32 ptei, u32 ptes, struct nvkm_vmm_map *map)
{ … }

static void
nv50_vmm_pgt_dma(struct nvkm_vmm *vmm, struct nvkm_mmu_pt *pt,
		 u32 ptei, u32 ptes, struct nvkm_vmm_map *map)
{ … }

static void
nv50_vmm_pgt_mem(struct nvkm_vmm *vmm, struct nvkm_mmu_pt *pt,
		 u32 ptei, u32 ptes, struct nvkm_vmm_map *map)
{ … }

static void
nv50_vmm_pgt_unmap(struct nvkm_vmm *vmm,
		   struct nvkm_mmu_pt *pt, u32 ptei, u32 ptes)
{ … }

static const struct nvkm_vmm_desc_func
nv50_vmm_pgt = …;

static bool
nv50_vmm_pde(struct nvkm_vmm *vmm, struct nvkm_vmm_pt *pgt, u64 *pdata)
{ … }

static void
nv50_vmm_pgd_pde(struct nvkm_vmm *vmm, struct nvkm_vmm_pt *pgd, u32 pdei)
{ … }

static const struct nvkm_vmm_desc_func
nv50_vmm_pgd = …;

const struct nvkm_vmm_desc
nv50_vmm_desc_12[] = …;

const struct nvkm_vmm_desc
nv50_vmm_desc_16[] = …;

void
nv50_vmm_flush(struct nvkm_vmm *vmm, int level)
{ … }

int
nv50_vmm_valid(struct nvkm_vmm *vmm, void *argv, u32 argc,
	       struct nvkm_vmm_map *map)
{ … }

void
nv50_vmm_part(struct nvkm_vmm *vmm, struct nvkm_memory *inst)
{ … }

int
nv50_vmm_join(struct nvkm_vmm *vmm, struct nvkm_memory *inst)
{ … }

static const struct nvkm_vmm_func
nv50_vmm = …;

int
nv50_vmm_new(struct nvkm_mmu *mmu, bool managed, u64 addr, u64 size,
	     void *argv, u32 argc, struct lock_class_key *key, const char *name,
	     struct nvkm_vmm **pvmm)
{ … }