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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
e5dcd87f | 2 | |
fd3ec366 TW |
3 | #ifndef __LINUX_TPM_EVENTLOG_H__ |
4 | #define __LINUX_TPM_EVENTLOG_H__ | |
e5dcd87f | 5 | |
4d23cc32 NJ |
6 | #include <crypto/hash_info.h> |
7 | ||
e5dcd87f KY |
8 | #define TCG_EVENT_NAME_LEN_MAX 255 |
9 | #define MAX_TEXT_EVENT 1000 /* Max event string length */ | |
10 | #define ACPI_TCPA_SIG "TCPA" /* 0x41504354 /'TCPA' */ | |
4d23cc32 | 11 | #define TPM2_ACTIVE_PCR_BANKS 3 |
e5dcd87f | 12 | |
4d01d29d TW |
13 | #define EFI_TCG2_EVENT_LOG_FORMAT_TCG_1_2 0x1 |
14 | #define EFI_TCG2_EVENT_LOG_FORMAT_TCG_2 0x2 | |
15 | ||
0cc698af HCVL |
16 | #ifdef CONFIG_PPC64 |
17 | #define do_endian_conversion(x) be32_to_cpu(x) | |
18 | #else | |
19 | #define do_endian_conversion(x) x | |
20 | #endif | |
21 | ||
e5dcd87f KY |
22 | enum bios_platform_class { |
23 | BIOS_CLIENT = 0x00, | |
24 | BIOS_SERVER = 0x01, | |
25 | }; | |
26 | ||
e5dcd87f KY |
27 | struct tcpa_event { |
28 | u32 pcr_index; | |
29 | u32 event_type; | |
30 | u8 pcr_value[20]; /* SHA1 */ | |
31 | u32 event_size; | |
32 | u8 event_data[0]; | |
33 | }; | |
34 | ||
35 | enum tcpa_event_types { | |
36 | PREBOOT = 0, | |
37 | POST_CODE, | |
38 | UNUSED, | |
39 | NO_ACTION, | |
40 | SEPARATOR, | |
41 | ACTION, | |
42 | EVENT_TAG, | |
43 | SCRTM_CONTENTS, | |
44 | SCRTM_VERSION, | |
45 | CPU_MICROCODE, | |
46 | PLATFORM_CONFIG_FLAGS, | |
47 | TABLE_OF_DEVICES, | |
48 | COMPACT_HASH, | |
49 | IPL, | |
50 | IPL_PARTITION_DATA, | |
51 | NONHOST_CODE, | |
52 | NONHOST_CONFIG, | |
53 | NONHOST_INFO, | |
54 | }; | |
55 | ||
56 | struct tcpa_pc_event { | |
57 | u32 event_id; | |
58 | u32 event_size; | |
59 | u8 event_data[0]; | |
60 | }; | |
61 | ||
62 | enum tcpa_pc_event_ids { | |
63 | SMBIOS = 1, | |
64 | BIS_CERT, | |
65 | POST_BIOS_ROM, | |
66 | ESCD, | |
67 | CMOS, | |
68 | NVRAM, | |
69 | OPTION_ROM_EXEC, | |
70 | OPTION_ROM_CONFIG, | |
71 | OPTION_ROM_MICROCODE = 10, | |
72 | S_CRTM_VERSION, | |
73 | S_CRTM_CONTENTS, | |
74 | POST_CONTENTS, | |
75 | HOST_TABLE_OF_DEVICES, | |
76 | }; | |
77 | ||
4d23cc32 NJ |
78 | /* http://www.trustedcomputinggroup.org/tcg-efi-protocol-specification/ */ |
79 | ||
80 | struct tcg_efi_specid_event_algs { | |
81 | u16 alg_id; | |
82 | u16 digest_size; | |
83 | } __packed; | |
84 | ||
85 | struct tcg_efi_specid_event { | |
86 | u8 signature[16]; | |
87 | u32 platform_class; | |
88 | u8 spec_version_minor; | |
89 | u8 spec_version_major; | |
90 | u8 spec_errata; | |
91 | u8 uintnsize; | |
92 | u32 num_algs; | |
93 | struct tcg_efi_specid_event_algs digest_sizes[TPM2_ACTIVE_PCR_BANKS]; | |
94 | u8 vendor_info_size; | |
95 | u8 vendor_info[0]; | |
96 | } __packed; | |
97 | ||
98 | struct tcg_pcr_event { | |
99 | u32 pcr_idx; | |
100 | u32 event_type; | |
101 | u8 digest[20]; | |
102 | u32 event_size; | |
103 | u8 event[0]; | |
104 | } __packed; | |
105 | ||
106 | struct tcg_event_field { | |
107 | u32 event_size; | |
108 | u8 event[0]; | |
109 | } __packed; | |
110 | ||
fd3ec366 TW |
111 | struct tpm2_digest { |
112 | u16 alg_id; | |
113 | u8 digest[SHA512_DIGEST_SIZE]; | |
114 | } __packed; | |
115 | ||
4d23cc32 NJ |
116 | struct tcg_pcr_event2 { |
117 | u32 pcr_idx; | |
118 | u32 event_type; | |
119 | u32 count; | |
120 | struct tpm2_digest digests[TPM2_ACTIVE_PCR_BANKS]; | |
121 | struct tcg_event_field event; | |
122 | } __packed; | |
123 | ||
e5dcd87f | 124 | #endif |