| /* |
| * Copyright (c) 2020-2024, Arm Limited. All rights reserved. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| |
| #ifndef EVENT_LOG_H |
| #define EVENT_LOG_H |
| |
| #include <stdint.h> |
| |
| #include <common/debug.h> |
| #include <common/tbbr/tbbr_img_def.h> |
| #include <drivers/auth/crypto_mod.h> |
| #include <drivers/measured_boot/event_log/tcg.h> |
| |
| /* |
| * Set Event Log debug level to one of: |
| * |
| * LOG_LEVEL_ERROR |
| * LOG_LEVEL_INFO |
| * LOG_LEVEL_WARNING |
| * LOG_LEVEL_VERBOSE |
| */ |
| #if EVENT_LOG_LEVEL == LOG_LEVEL_ERROR |
| #define LOG_EVENT ERROR |
| #elif EVENT_LOG_LEVEL == LOG_LEVEL_NOTICE |
| #define LOG_EVENT NOTICE |
| #elif EVENT_LOG_LEVEL == LOG_LEVEL_WARNING |
| #define LOG_EVENT WARN |
| #elif EVENT_LOG_LEVEL == LOG_LEVEL_INFO |
| #define LOG_EVENT INFO |
| #elif EVENT_LOG_LEVEL == LOG_LEVEL_VERBOSE |
| #define LOG_EVENT VERBOSE |
| #else |
| #error "Not supported EVENT_LOG_LEVEL" |
| #endif |
| |
| /* Number of hashing algorithms supported */ |
| #define HASH_ALG_COUNT 1U |
| |
| #define EVLOG_INVALID_ID UINT32_MAX |
| |
| #define MEMBER_SIZE(type, member) sizeof(((type *)0)->member) |
| |
| typedef struct { |
| unsigned int id; |
| const char *name; |
| unsigned int pcr; |
| } event_log_metadata_t; |
| |
| #define ID_EVENT_SIZE (sizeof(id_event_headers_t) + \ |
| (sizeof(id_event_algorithm_size_t) * HASH_ALG_COUNT) + \ |
| sizeof(id_event_struct_data_t)) |
| |
| #define LOC_EVENT_SIZE (sizeof(event2_header_t) + \ |
| sizeof(tpmt_ha) + TCG_DIGEST_SIZE + \ |
| sizeof(event2_data_t) + \ |
| sizeof(startup_locality_event_t)) |
| |
| #define LOG_MIN_SIZE (ID_EVENT_SIZE + LOC_EVENT_SIZE) |
| |
| #define EVENT2_HDR_SIZE (sizeof(event2_header_t) + \ |
| sizeof(tpmt_ha) + TCG_DIGEST_SIZE + \ |
| sizeof(event2_data_t)) |
| |
| /* Functions' declarations */ |
| void event_log_buf_init(uint8_t *event_log_start, uint8_t *event_log_finish); |
| void event_log_init(uint8_t *event_log_start, uint8_t *event_log_finish); |
| void event_log_write_specid_event(void); |
| void event_log_write_header(void); |
| void dump_event_log(uint8_t *log_addr, size_t log_size); |
| int event_log_measure(uintptr_t data_base, uint32_t data_size, |
| unsigned char hash_data[CRYPTO_MD_MAX_SIZE]); |
| void event_log_record(const uint8_t *hash, uint32_t event_type, |
| const event_log_metadata_t *metadata_ptr); |
| int event_log_measure_and_record(uintptr_t data_base, uint32_t data_size, |
| uint32_t data_id, |
| const event_log_metadata_t *metadata_ptr); |
| size_t event_log_get_cur_size(uint8_t *event_log_start); |
| |
| #endif /* EVENT_LOG_H */ |