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https://github.com/ARM-software/arm-trusted-firmware.git
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a77a7444e5
The image identifier strings are used across different measured boot backends. Move them to a common location to avoid the redefiniton of these per backend and to avoid code duplication. Signed-off-by: Tamas Ban <tamas.ban@arm.com> Change-Id: I58897b9a19396be932ca5d230ee00858c09ef03f
82 lines
2.3 KiB
C
82 lines
2.3 KiB
C
/*
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* Copyright (c) 2020-2024, Arm Limited. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef EVENT_LOG_H
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#define EVENT_LOG_H
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#include <stdint.h>
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#include <common/debug.h>
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#include <common/tbbr/tbbr_img_def.h>
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#include <drivers/auth/crypto_mod.h>
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#include <drivers/measured_boot/event_log/tcg.h>
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/*
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* Set Event Log debug level to one of:
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*
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* LOG_LEVEL_ERROR
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* LOG_LEVEL_INFO
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* LOG_LEVEL_WARNING
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* LOG_LEVEL_VERBOSE
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*/
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#if EVENT_LOG_LEVEL == LOG_LEVEL_ERROR
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#define LOG_EVENT ERROR
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#elif EVENT_LOG_LEVEL == LOG_LEVEL_NOTICE
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#define LOG_EVENT NOTICE
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#elif EVENT_LOG_LEVEL == LOG_LEVEL_WARNING
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#define LOG_EVENT WARN
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#elif EVENT_LOG_LEVEL == LOG_LEVEL_INFO
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#define LOG_EVENT INFO
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#elif EVENT_LOG_LEVEL == LOG_LEVEL_VERBOSE
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#define LOG_EVENT VERBOSE
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#else
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#error "Not supported EVENT_LOG_LEVEL"
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#endif
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/* Number of hashing algorithms supported */
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#define HASH_ALG_COUNT 1U
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#define EVLOG_INVALID_ID UINT32_MAX
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#define MEMBER_SIZE(type, member) sizeof(((type *)0)->member)
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typedef struct {
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unsigned int id;
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const char *name;
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unsigned int pcr;
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} event_log_metadata_t;
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#define ID_EVENT_SIZE (sizeof(id_event_headers_t) + \
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(sizeof(id_event_algorithm_size_t) * HASH_ALG_COUNT) + \
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sizeof(id_event_struct_data_t))
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#define LOC_EVENT_SIZE (sizeof(event2_header_t) + \
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sizeof(tpmt_ha) + TCG_DIGEST_SIZE + \
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sizeof(event2_data_t) + \
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sizeof(startup_locality_event_t))
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#define LOG_MIN_SIZE (ID_EVENT_SIZE + LOC_EVENT_SIZE)
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#define EVENT2_HDR_SIZE (sizeof(event2_header_t) + \
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sizeof(tpmt_ha) + TCG_DIGEST_SIZE + \
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sizeof(event2_data_t))
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/* Functions' declarations */
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void event_log_buf_init(uint8_t *event_log_start, uint8_t *event_log_finish);
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void event_log_init(uint8_t *event_log_start, uint8_t *event_log_finish);
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void event_log_write_specid_event(void);
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void event_log_write_header(void);
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void dump_event_log(uint8_t *log_addr, size_t log_size);
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int event_log_measure(uintptr_t data_base, uint32_t data_size,
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unsigned char hash_data[CRYPTO_MD_MAX_SIZE]);
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void event_log_record(const uint8_t *hash, uint32_t event_type,
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const event_log_metadata_t *metadata_ptr);
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int event_log_measure_and_record(uintptr_t data_base, uint32_t data_size,
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uint32_t data_id,
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const event_log_metadata_t *metadata_ptr);
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size_t event_log_get_cur_size(uint8_t *event_log_start);
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#endif /* EVENT_LOG_H */
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