kernel/drivers/char/tpm/tpm_eventlog.h

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