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 #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
  15 enum bios_platform_class {
  16         BIOS_CLIENT = 0x00,
  17         BIOS_SERVER = 0x01,
  18 };
  19
  20 struct tpm_bios_log {
  21         void *bios_event_log;
  22         void *bios_event_log_end;
  23 };
  24
  25 struct 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
  33 enum 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
  54 struct tcpa_pc_event {
  55         u32 event_id;
  56         u32 event_size;
  57         u8 event_data[0];
  58 };
  59
  60 enum 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
  76 int read_log(struct tpm_bios_log *log);
  77
  78 #if defined(CONFIG_TCG_IBMVTPM) || defined(CONFIG_TCG_IBMVTPM_MODULE) || \
  79         defined(CONFIG_ACPI)
  80 extern struct dentry **tpm_bios_log_setup(char *);
  81 extern void tpm_bios_log_teardown(struct dentry **);
  82 #else
  83 static inline struct dentry **tpm_bios_log_setup(char *name)
  84 {
  85         return NULL;
  86 }
  87 static inline void tpm_bios_log_teardown(struct dentry **dir)
  88 {
  89 }
  90 #endif
  91
  92 #endif