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/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef __SECURITY_TSPI_CRTM_H__
#define __SECURITY_TSPI_CRTM_H__
#include <program_loading.h>
#include <security/tpm/tspi.h>
#include <types.h>
#include <vb2_sha.h>
/* CRTM */
#define TPM_CRTM_PCR 2
/* PCR for measuring data which changes during runtime
* e.g. CMOS, NVRAM...
*/
#define TPM_RUNTIME_DATA_PCR 3
#if CONFIG(TPM_LOG_CB) && CONFIG(TPM1)
# define TPM_MEASURE_ALGO VB2_HASH_SHA1
#elif CONFIG(TPM_LOG_CB) && CONFIG(TPM2)
# define TPM_MEASURE_ALGO VB2_HASH_SHA256
#endif
#if !defined(TPM_MEASURE_ALGO)
# if !CONFIG(TPM_MEASURED_BOOT)
# define TPM_MEASURE_ALGO VB2_HASH_INVALID
# else
# error "Misconfiguration: failed to determine TPM hashing algorithm"
# endif
#endif
/**
* Measure digests cached in TPM log entries into PCRs
*/
int tspi_measure_cache_to_pcr(void);
/**
* Extend a measurement hash taken for a CBFS file into the appropriate PCR.
*/
uint32_t tspi_cbfs_measurement(const char *name, uint32_t type, const struct vb2_hash *hash);
/*
* Provide a function on SoC level to measure the bootblock for cases where bootblock is
* neither in FMAP nor in CBFS (e.g. in IFWI).
*/
int tspi_soc_measure_bootblock(int pcr_index);
#endif /* __SECURITY_TSPI_CRTM_H__ */
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