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
  28 enum 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
  38 extern const char *nvkm_secboot_falcon_name[];
  39
  40 /**
  41  * @wpr_set: whether the WPR region is currently set
  42 */
  43 struct 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
  57 bool nvkm_secboot_is_managed(struct nvkm_secboot *, enum nvkm_secboot_falcon);
  58 int nvkm_secboot_reset(struct nvkm_secboot *, unsigned long);
  59
  60 int gm200_secboot_new(struct nvkm_device *, int, struct nvkm_secboot **);
  61 int gm20b_secboot_new(struct nvkm_device *, int, struct nvkm_secboot **);
  62 int gp102_secboot_new(struct nvkm_device *, int, struct nvkm_secboot **);
  63 int gp108_secboot_new(struct nvkm_device *, int, struct nvkm_secboot **);
  64 int gp10b_secboot_new(struct nvkm_device *, int, struct nvkm_secboot **);
  65
  66 #endif