linux/drivers/char/tpm/eventlog/tpm1.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Copyright (C) 2005, 2012 IBM Corporation
 *
 * Authors:
 *	Kent Yoder <[email protected]>
 *	Seiji Munetoh <[email protected]>
 *	Stefan Berger <[email protected]>
 *	Reiner Sailer <[email protected]>
 *	Kylene Hall <[email protected]>
 *	Nayna Jain <[email protected]>
 *
 * Maintained by: <[email protected]>
 *
 * Access to the event log created by a system's firmware / BIOS
 */

#include <linux/seq_file.h>
#include <linux/efi.h>
#include <linux/fs.h>
#include <linux/security.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/tpm_eventlog.h>

#include "../tpm.h"
#include "common.h"


static const char* tcpa_event_type_strings[] = …;

static const char* tcpa_pc_event_id_strings[] = …;

/* returns pointer to start of pos. entry of tcg log */
static void *tpm1_bios_measurements_start(struct seq_file *m, loff_t *pos)
{ … }

static void *tpm1_bios_measurements_next(struct seq_file *m, void *v,
					loff_t *pos)
{ … }

static void tpm1_bios_measurements_stop(struct seq_file *m, void *v)
{ … }

static int get_event_name(char *dest, struct tcpa_event *event,
			unsigned char * event_entry)
{ … }

static int tpm1_binary_bios_measurements_show(struct seq_file *m, void *v)
{ … }

static int tpm1_ascii_bios_measurements_show(struct seq_file *m, void *v)
{ … }

const struct seq_operations tpm1_ascii_b_measurements_seqops = …;

const struct seq_operations tpm1_binary_b_measurements_seqops = …;