LXR linux/drivers/gpu/drm/nouveau/include/nvkm/subdev/secboot.h

   1/*
   2 * Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved.
   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 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  19 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  20 * DEALINGS IN THE SOFTWARE.
  21 */
  22
  23#ifndef __NVKM_SECURE_BOOT_H__
  24#define __NVKM_SECURE_BOOT_H__
  25
  26#include <core/subdev.h>
  27
  28enum nvkm_secboot_falcon {
  29        NVKM_SECBOOT_FALCON_PMU = 0,
  30        NVKM_SECBOOT_FALCON_RESERVED = 1,
  31        NVKM_SECBOOT_FALCON_FECS = 2,
  32        NVKM_SECBOOT_FALCON_GPCCS = 3,
  33        NVKM_SECBOOT_FALCON_SEC2 = 7,
  34        NVKM_SECBOOT_FALCON_END = 8,
  35        NVKM_SECBOOT_FALCON_INVALID = 0xffffffff,
  36};
  37
  38extern const char *nvkm_secboot_falcon_name[];
  39
  40/**
  41 * @wpr_set: whether the WPR region is currently set
  42*/
  43struct nvkm_secboot {
  44        const struct nvkm_secboot_func *func;
  45        struct nvkm_acr *acr;
  46        struct nvkm_subdev subdev;
  47        struct nvkm_falcon *boot_falcon;
  48        struct nvkm_falcon *halt_falcon;
  49
  50        u64 wpr_addr;
  51        u32 wpr_size;
  52
  53        bool wpr_set;
  54};
  55#define nvkm_secboot(p) container_of((p), struct nvkm_secboot, subdev)
  56
  57bool nvkm_secboot_is_managed(struct nvkm_secboot *, enum nvkm_secboot_falcon);
  58int nvkm_secboot_reset(struct nvkm_secboot *, unsigned long);
  59
  60int gm200_secboot_new(struct nvkm_device *, int, struct nvkm_secboot **);
  61int gm20b_secboot_new(struct nvkm_device *, int, struct nvkm_secboot **);
  62int gp102_secboot_new(struct nvkm_device *, int, struct nvkm_secboot **);
  63int gp10b_secboot_new(struct nvkm_device *, int, struct nvkm_secboot **);
  64
  65#endif
  66