drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmmcp77.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 mcp77_vmm = {
  26         .join = nv50_vmm_join,
  27         .part = nv50_vmm_part,
  28         .valid = nv50_vmm_valid,
  29         .flush = nv50_vmm_flush,
  30         .page_block = 1 << 29,
  31         .page = {
  32                 { 16, &nv50_vmm_desc_16[0], NVKM_VMM_PAGE_xVxx },
  33                 { 12, &nv50_vmm_desc_12[0], NVKM_VMM_PAGE_xVHx },
  34                 {}
  35         }
  36 };
  37
  38 int
  39 mcp77_vmm_new(struct nvkm_mmu *mmu, bool managed, u64 addr, u64 size,
  40               void *argv, u32 argc, struct lock_class_key *key,
  41               const char *name, struct nvkm_vmm **pvmm)
  42 {
  43         return nv04_vmm_new_(&mcp77_vmm, mmu, 0, managed, addr, size,
  44                              argv, argc, key, name, pvmm);
  45 }