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
tpm_bios_log_setup(char * name)77 static inline struct dentry **tpm_bios_log_setup(char *name)
78 {
79 return NULL;
80 }
tpm_bios_log_teardown(struct dentry ** dir)81 static inline void tpm_bios_log_teardown(struct dentry **dir)
82 {
83 }
84 #endif
85
86 #endif
87