LXR linux/drivers/char/tpm/tpm

   1
   2#ifndef __TPM_EVENTLOG_H__
   3#define __TPM_EVENTLOG_H__
   4
   5#define TCG_EVENT_NAME_LEN_MAX  255
   6#define MAX_TEXT_EVENT          1000    /* Max event string length */
   7#define ACPI_TCPA_SIG           "TCPA"  /* 0x41504354 /'TCPA' */
   8
   9#ifdef CONFIG_PPC64
  10#define do_endian_conversion(x) be32_to_cpu(x)
  11#else
  12#define do_endian_conversion(x) x
  13#endif
  14
  15enum bios_platform_class {
  16        BIOS_CLIENT = 0x00,
  17        BIOS_SERVER = 0x01,
  18};
  19
  20struct tpm_bios_log {
  21        void *bios_event_log;
  22        void *bios_event_log_end;
  23};
  24
  25struct tcpa_event {
  26        u32 pcr_index;
  27        u32 event_type;
  28        u8 pcr_value[20];       /* SHA1 */
  29        u32 event_size;
  30        u8 event_data[0];
  31};
  32
  33enum tcpa_event_types {
  34        PREBOOT = 0,
  35        POST_CODE,
  36        UNUSED,
  37        NO_ACTION,
  38        SEPARATOR,
  39        ACTION,
  40        EVENT_TAG,
  41        SCRTM_CONTENTS,
  42        SCRTM_VERSION,
  43        CPU_MICROCODE,
  44        PLATFORM_CONFIG_FLAGS,
  45        TABLE_OF_DEVICES,
  46        COMPACT_HASH,
  47        IPL,
  48        IPL_PARTITION_DATA,
  49        NONHOST_CODE,
  50        NONHOST_CONFIG,
  51        NONHOST_INFO,
  52};
  53
  54struct tcpa_pc_event {
  55        u32 event_id;
  56        u32 event_size;
  57        u8 event_data[0];
  58};
  59
  60enum tcpa_pc_event_ids {
  61        SMBIOS = 1,
  62        BIS_CERT,
  63        POST_BIOS_ROM,
  64        ESCD,
  65        CMOS,
  66        NVRAM,
  67        OPTION_ROM_EXEC,
  68        OPTION_ROM_CONFIG,
  69        OPTION_ROM_MICROCODE = 10,
  70        S_CRTM_VERSION,
  71        S_CRTM_CONTENTS,
  72        POST_CONTENTS,
  73        HOST_TABLE_OF_DEVICES,
  74};
  75
  76int read_log(struct tpm_bios_log *log);
  77
  78#if defined(CONFIG_TCG_IBMVTPM) || defined(CONFIG_TCG_IBMVTPM_MODULE) || \
  79        defined(CONFIG_ACPI)
  80extern struct dentry **tpm_bios_log_setup(const char *);
  81extern void tpm_bios_log_teardown(struct dentry **);
  82#else
  83static inline struct dentry **tpm_bios_log_setup(const char *name)
  84{
  85        return NULL;
  86}
  87static inline void tpm_bios_log_teardown(struct dentry **dir)
  88{
  89}
  90#endif
  91
  92#endif
  93