cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

secboot.h (2430B)

      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 gp108_secboot_new(struct nvkm_device *, int, struct nvkm_secboot **);
     64int gp10b_secboot_new(struct nvkm_device *, int, struct nvkm_secboot **);
     65
     66#endif