/* 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

#define TPM_MEASURE_ALGO (CONFIG(TPM1) ? VB2_HASH_SHA1 : VB2_HASH_SHA256)

/**
 * Measure digests cached in TCPA 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__ */