tpm_eventlog.h

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#ifndef __TPM_EVENTLOG_H__
#define __TPM_EVENTLOG_H__

#define TCG_EVENT_NAME_LEN_MAX  255
#define MAX_TEXT_EVENT      1000    /* Max event string length */
#define ACPI_TCPA_SIG       "TCPA"  /* 0x41504354 /'TCPA' */

enum bios_platform_class {
    BIOS_CLIENT = 0x00,
    BIOS_SERVER = 0x01,
};

struct tpm_bios_log {
    void *bios_event_log;
    void *bios_event_log_end;
};

struct tcpa_event {
    u32 pcr_index;
    u32 event_type;
    u8 pcr_value[20];   /* SHA1 */
    u32 event_size;
    u8 event_data[0];
};

enum tcpa_event_types {
    PREBOOT = 0,
    POST_CODE,
    UNUSED,
    NO_ACTION,
    SEPARATOR,
    ACTION,
    EVENT_TAG,
    SCRTM_CONTENTS,
    SCRTM_VERSION,
    CPU_MICROCODE,
    PLATFORM_CONFIG_FLAGS,
    TABLE_OF_DEVICES,
    COMPACT_HASH,
    IPL,
    IPL_PARTITION_DATA,
    NONHOST_CODE,
    NONHOST_CONFIG,
    NONHOST_INFO,
};

struct tcpa_pc_event {
    u32 event_id;
    u32 event_size;
    u8 event_data[0];
};

enum tcpa_pc_event_ids {
    SMBIOS = 1,
    BIS_CERT,
    POST_BIOS_ROM,
    ESCD,
    CMOS,
    NVRAM,
    OPTION_ROM_EXEC,
    OPTION_ROM_CONFIG,
    OPTION_ROM_MICROCODE = 10,
    S_CRTM_VERSION,
    S_CRTM_CONTENTS,
    POST_CONTENTS,
    HOST_TABLE_OF_DEVICES,
};

int read_log(struct tpm_bios_log *log);

#if defined(CONFIG_TCG_IBMVTPM) || defined(CONFIG_TCG_IBMVTPM_MODULE) || \
    defined(CONFIG_ACPI)
extern struct dentry **tpm_bios_log_setup(char *);
extern void tpm_bios_log_teardown(struct dentry **);
#else
static inline struct dentry **tpm_bios_log_setup(char *name)
{
    return NULL;
}
static inline void tpm_bios_log_teardown(struct dentry **dir)
{
}
#endif

#endif