linux/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/gk20a.c
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   1/*
   2 * Copyright 2017 Red Hat Inc.
   3 *
   4 * Permission is hereby granted, free of charge, to any person obtaining a
   5 * copy of this software and associated documentation files (the "Software"),
   6 * to deal in the Software without restriction, including without limitation
   7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8 * and/or sell copies of the Software, and to permit persons to whom the
   9 * Software is furnished to do so, subject to the following conditions:
  10 *
  11 * The above copyright notice and this permission notice shall be included in
  12 * all copies or substantial portions of the Software.
  13 *
  14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20 * OTHER DEALINGS IN THE SOFTWARE.
  21 */
  22#include "mem.h"
  23#include "vmm.h"
  24
  25#include <nvif/class.h>
  26
  27static const struct nvkm_mmu_func
  28gk20a_mmu = {
  29        .dma_bits = 40,
  30        .mmu = {{ -1, -1, NVIF_CLASS_MMU_GF100}},
  31        .mem = {{ -1, -1, NVIF_CLASS_MEM_GF100}, .umap = gf100_mem_map },
  32        .vmm = {{ -1, -1, NVIF_CLASS_VMM_GF100}, gk20a_vmm_new },
  33        .kind = gf100_mmu_kind,
  34        .kind_sys = true,
  35};
  36
  37int
  38gk20a_mmu_new(struct nvkm_device *device, int index, struct nvkm_mmu **pmmu)
  39{
  40        return nvkm_mmu_new_(&gk20a_mmu, device, index, pmmu);
  41}
  42