crtm.c File Reference

#include <console/console.h>
#include <fmap.h>
#include <cbfs.h>
#include "crtm.h"
#include <string.h>

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Functions
static int	tcpa_log_available (void)
static uint32_t	tspi_init_crtm (void)
static bool	is_runtime_data (const char *name)
uint32_t	tspi_cbfs_measurement (const char *name, uint32_t type, const struct vb2_hash *hash)
	Extend a measurement hash taken for a CBFS file into the appropriate PCR. More...
int	tspi_measure_cache_to_pcr (void)
	Measure digests cached in TCPA log entries into PCRs. More...

Variables
static int	tcpa_log_initialized

Function Documentation

is_runtime_data()

static bool is_runtime_data ( const char *  name )

static

Definition at line 79 of file crtm.c.

References name, strchr(), strcmp(), strlen(), and strncmp().

Referenced by tspi_cbfs_measurement().

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tcpa_log_available()

static int tcpa_log_available ( void  )

inlinestatic

Definition at line 10 of file crtm.c.

References ENV_BOOTBLOCK, and tcpa_log_initialized.

Referenced by tspi_cbfs_measurement(), tspi_init_crtm(), and tspi_measure_cache_to_pcr().

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tspi_cbfs_measurement()

uint32_t tspi_cbfs_measurement	(	const char *	name,
		uint32_t	type,
		const struct vb2_hash *	hash
	)

Extend a measurement hash taken for a CBFS file into the appropriate PCR.

Definition at line 98 of file crtm.c.

References BIOS_DEBUG, BIOS_WARNING, CBFS_TYPE_FIT, CBFS_TYPE_MRC, CBFS_TYPE_MRC_CACHE, CBFS_TYPE_SELF, CBFS_TYPE_STAGE, is_runtime_data(), name, printk, snprintf(), tcpa_log_available(), TCPA_PCR_HASH_NAME, TPM_CRTM_PCR, tpm_extend_pcr(), TPM_RUNTIME_DATA_PCR, tspi_init_crtm(), and type.

Referenced by cbfs_file_hash_mismatch().

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tspi_init_crtm()

static uint32_t tspi_init_crtm ( void  )

static

Definition at line 34 of file crtm.c.

References BIOS_ERR, BIOS_INFO, BIOS_WARNING, cbfs_ro_type_map(), CBFS_TYPE_BOOTBLOCK, cbfs_unmap(), fmap_locate_area_as_rdev(), NULL, printk, tcpa_log_available(), tcpa_log_initialized, tcpa_preram_log_clear(), TPM_CRTM_PCR, tpm_measure_region(), and type.

Referenced by tspi_cbfs_measurement().

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tspi_measure_cache_to_pcr()

int tspi_measure_cache_to_pcr

(

void

)

Measure digests cached in TCPA log entries into PCRs.

Definition at line 140 of file crtm.c.

References BIOS_DEBUG, BIOS_ERR, BIOS_WARNING, CONFIG, tcpa_entry::digest, tcpa_table::entries, tcpa_entry::name, NULL, tcpa_table::num_entries, tcpa_entry::pcr, printk, tcpa_log_available(), tcpa_log_init(), tlcl_extend(), and TPM_SUCCESS.

Referenced by tpm_setup().

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Variable Documentation

tcpa_log_initialized

int tcpa_log_initialized

static

Definition at line 9 of file crtm.c.

Referenced by tcpa_log_available(), and tspi_init_crtm().