sof/rimage/plat_auth.h

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/*
* Copyright (c) 2017, Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*/
#ifndef __PLAT_AUTH_H__
#define __PLAT_AUTH_H__
#include <stdint.h>
struct image;
#define PLAT_AUTH_SHA256_LEN 32
#define PLAT_AUTH_NAME_LEN 12
#define PLAT_AUTH_PADDING 48 /* pad at end of struct */
#define SIGN_PKG_EXT_TYPE 15
#define SIGN_PKG_NUM_MODULE 1
struct signed_pkg_info_module {
uint8_t name[PLAT_AUTH_NAME_LEN]; /* must be padded with 0 */
uint8_t type;
uint8_t hash_algo;
uint16_t hash_size;
uint32_t meta_size;
uint8_t hash[PLAT_AUTH_SHA256_LEN];
} __attribute__((packed));
struct signed_pkg_info_ext {
uint32_t ext_type;
uint32_t ext_len;
uint8_t name[4];
uint32_t vcn;
uint8_t bitmap[16];
uint32_t svn;
uint8_t fw_type;
uint8_t fw_sub_type;
uint8_t reserved[14]; /* must be 0 */
/* variable length of modules */
struct signed_pkg_info_module module[SIGN_PKG_NUM_MODULE];
} __attribute__((packed));
#define PART_INFO_EXT_TYPE 3
#define PART_INFO_NUM_MODULE 1
struct partition_info_module {
uint8_t name[PLAT_AUTH_NAME_LEN]; /* must be padded with 0 */
uint8_t type;
uint8_t reserved[3];
uint32_t meta_size;
uint8_t hash[PLAT_AUTH_SHA256_LEN];
} __attribute__((packed));
struct partition_info_ext {
uint32_t ext_type;
uint32_t ext_len;
uint8_t name[4]; /* "ADSP" */
uint32_t length;
uint8_t hash[PLAT_AUTH_SHA256_LEN];
uint32_t vcn;
uint32_t part_version;
uint32_t fmt_version;
uint32_t instance_id;
uint32_t part_flags;
uint8_t reserved[20]; /* must be 0 */
/* variable length of modules */
struct partition_info_module module[PART_INFO_NUM_MODULE];
} __attribute__((packed));
#define PLAT_AUTH_SIZE \
(sizeof(struct partition_info_ext) + \
sizeof(struct signed_pkg_info_ext))
void ri_adsp_meta_data_create(struct image *image, int meta_start_offset,
int meta_end_offset);
void ri_plat_ext_data_create(struct image *image);
#endif