mirror of
https://github.com/eliboa/TegraRcmGUI.git
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134 lines
4.3 KiB
C
134 lines
4.3 KiB
C
/*
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* Copyright (c) 2011-2016, NVIDIA CORPORATION
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of NVIDIA CORPORATION nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _RCM_H
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#define _RCM_H
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#include <stdint.h>
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#define RCM_MIN_MSG_LENGTH 1024 // In bytes
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#define NVBOOT_VERSION(a,b) ((((a)&0xffff) << 16) | ((b)&0xffff))
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#define RCM_VERSION_1 (NVBOOT_VERSION(1, 0))
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#define RCM_VERSION_35 (NVBOOT_VERSION(0x35, 1))
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#define RCM_VERSION_40 (NVBOOT_VERSION(0x40, 1))
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#define RCM_VERSION_MAJOR(ver) ((ver) >> 16)
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#define RCM_VERSION_MINOR(ver) ((ver) & 0xffff)
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// recovery mode commands
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#define RCM_CMD_NONE 0x0
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#define RCM_CMD_SYNC 0x1
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#define RCM_CMD_DL_MINILOADER 0x4
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#define RCM_CMD_QUERY_BR_VERSION 0x5
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#define RCM_CMD_QUERY_RCM_VERSION 0x6
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#define RCM_CMD_QUERY_BD_VERSION 0x7
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// AES block size in bytes
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#define RCM_AES_BLOCK_SIZE (128 / 8)
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#define RCM_RSA_MODULUS_SIZE (2048 / 8)
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#define RCM_RSA_SIG_SIZE RCM_RSA_MODULUS_SIZE
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/*
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* Defines the header for RCM messages from the host.
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* Messages from the host have the format:
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* rcm_msg_t
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* payload
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* padding
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*/
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typedef struct {
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uint32_t len_insecure; // 000-003
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uint8_t cmac_hash[RCM_AES_BLOCK_SIZE]; // 004-013
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uint8_t reserved[16]; // 014-023
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uint32_t opcode; // 024-027
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uint32_t len_secure; // 028-02b
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uint32_t payload_len; // 02c-02f
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uint32_t rcm_version; // 030-033
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uint8_t args[48]; // 034-063
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uint8_t padding[16]; // 064-073
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} rcm1_msg_t;
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typedef struct {
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uint32_t len_insecure; // 000-003
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uint8_t modulus[RCM_RSA_MODULUS_SIZE]; // 004-103
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union {
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uint8_t cmac_hash[RCM_AES_BLOCK_SIZE];
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uint8_t rsa_pss_sig[RCM_RSA_SIG_SIZE];
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} object_sig; // 104-203
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uint8_t reserved[16]; // 204-213
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uint32_t ecid[4]; // 214-223
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uint32_t opcode; // 224-227
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uint32_t len_secure; // 228-22b
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uint32_t payload_len; // 22c-22f
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uint32_t rcm_version; // 230-233
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uint8_t args[48]; // 234-263
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uint8_t padding[16]; // 264-273
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} rcm35_msg_t;
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typedef struct {
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uint32_t len_insecure; // 000-003
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uint8_t modulus[RCM_RSA_MODULUS_SIZE]; // 004-103
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struct {
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uint8_t cmac_hash[RCM_AES_BLOCK_SIZE];
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uint8_t rsa_pss_sig[RCM_RSA_SIG_SIZE];
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} object_sig; // 104-213
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uint8_t reserved[16]; // 214-223
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uint32_t ecid[4]; // 224-233
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uint32_t opcode; // 234-237
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uint32_t len_secure; // 238-23b
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uint32_t payload_len; // 23c-23f
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uint32_t rcm_version; // 240-243
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uint8_t args[48]; // 244-273
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uint8_t padding[16]; // 274-283
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} rcm40_msg_t;
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// security operating modes
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#define RCM_OP_MODE_PRE_PRODUCTION 0x1
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#define RCM_OP_MODE_DEVEL 0x3
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#define RCM_OP_MODE_ODM_SECURE 0x4
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#define RCM_OP_MODE_ODM_OPEN 0x5
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#define RCM_OP_MODE_ODM_SECURE_PKC 0x6
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#ifdef __cplusplus
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extern "C" {
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#endif
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int rcm_init(uint32_t version, const char *keyfile);
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uint32_t rcm_get_msg_len(uint8_t *msg);
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int rcm_create_msg(
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uint32_t opcode,
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uint8_t *args,
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uint32_t args_len,
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uint8_t *payload,
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uint32_t payload_len,
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uint8_t **msg);
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#ifdef __cplusplus
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}
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#endif
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#endif // _RCM_H
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