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
  24 static const struct nvkm_vmm_func
  25 gm20b_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
  40 static const struct nvkm_vmm_func
  41 gm20b_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
  56 int
  57 gm20b_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
  65 int
  66 gm20b_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 }