LXR linux/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmgm20b.c

   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 "vmm.h"
  23
  24static const struct nvkm_vmm_func
  25gm20b_vmm_17 = {
  26        .join = gm200_vmm_join,
  27        .part = gf100_vmm_part,
  28        .aper = gk20a_vmm_aper,
  29        .valid = gf100_vmm_valid,
  30        .flush = gf100_vmm_flush,
  31        .invalidate_pdb = gf100_vmm_invalidate_pdb,
  32        .page = {
  33                { 27, &gm200_vmm_desc_17_17[1], NVKM_VMM_PAGE_Sxxx },
  34                { 17, &gm200_vmm_desc_17_17[0], NVKM_VMM_PAGE_SxHC },
  35                { 12, &gm200_vmm_desc_17_12[0], NVKM_VMM_PAGE_SxHx },
  36                {}
  37        }
  38};
  39
  40static const struct nvkm_vmm_func
  41gm20b_vmm_16 = {
  42        .join = gm200_vmm_join,
  43        .part = gf100_vmm_part,
  44        .aper = gk20a_vmm_aper,
  45        .valid = gf100_vmm_valid,
  46        .flush = gf100_vmm_flush,
  47        .invalidate_pdb = gf100_vmm_invalidate_pdb,
  48        .page = {
  49                { 27, &gm200_vmm_desc_16_16[1], NVKM_VMM_PAGE_Sxxx },
  50                { 16, &gm200_vmm_desc_16_16[0], NVKM_VMM_PAGE_SxHC },
  51                { 12, &gm200_vmm_desc_16_12[0], NVKM_VMM_PAGE_SxHx },
  52                {}
  53        }
  54};
  55
  56int
  57gm20b_vmm_new(struct nvkm_mmu *mmu, bool managed, u64 addr, u64 size,
  58              void *argv, u32 argc, struct lock_class_key *key,
  59              const char *name, struct nvkm_vmm **pvmm)
  60{
  61        return gm200_vmm_new_(&gm20b_vmm_16, &gm20b_vmm_17, mmu, managed, addr,
  62                              size, argv, argc, key, name, pvmm);
  63}
  64
  65int
  66gm20b_vmm_new_fixed(struct nvkm_mmu *mmu, bool managed, u64 addr, u64 size,
  67                    void *argv, u32 argc, struct lock_class_key *key,
  68                    const char *name, struct nvkm_vmm **pvmm)
  69{
  70        return gf100_vmm_new_(&gm20b_vmm_16, &gm20b_vmm_17, mmu, managed, addr,
  71                              size, argv, argc, key, name, pvmm);
  72}
  73