Merge branch 'x86-topology-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
[muen/linux.git] / include / linux / tpm_eventlog.h
1 /* SPDX-License-Identifier: GPL-2.0 */
2
3 #ifndef __LINUX_TPM_EVENTLOG_H__
4 #define __LINUX_TPM_EVENTLOG_H__
5
6 #include <linux/tpm.h>
7
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' */
11
12 #define EFI_TCG2_EVENT_LOG_FORMAT_TCG_1_2 0x1
13 #define EFI_TCG2_EVENT_LOG_FORMAT_TCG_2   0x2
14
15 #ifdef CONFIG_PPC64
16 #define do_endian_conversion(x) be32_to_cpu(x)
17 #else
18 #define do_endian_conversion(x) x
19 #endif
20
21 enum bios_platform_class {
22         BIOS_CLIENT = 0x00,
23         BIOS_SERVER = 0x01,
24 };
25
26 struct tcpa_event {
27         u32 pcr_index;
28         u32 event_type;
29         u8 pcr_value[20];       /* SHA1 */
30         u32 event_size;
31         u8 event_data[0];
32 };
33
34 enum tcpa_event_types {
35         PREBOOT = 0,
36         POST_CODE,
37         UNUSED,
38         NO_ACTION,
39         SEPARATOR,
40         ACTION,
41         EVENT_TAG,
42         SCRTM_CONTENTS,
43         SCRTM_VERSION,
44         CPU_MICROCODE,
45         PLATFORM_CONFIG_FLAGS,
46         TABLE_OF_DEVICES,
47         COMPACT_HASH,
48         IPL,
49         IPL_PARTITION_DATA,
50         NONHOST_CODE,
51         NONHOST_CONFIG,
52         NONHOST_INFO,
53 };
54
55 struct tcpa_pc_event {
56         u32 event_id;
57         u32 event_size;
58         u8 event_data[0];
59 };
60
61 enum tcpa_pc_event_ids {
62         SMBIOS = 1,
63         BIS_CERT,
64         POST_BIOS_ROM,
65         ESCD,
66         CMOS,
67         NVRAM,
68         OPTION_ROM_EXEC,
69         OPTION_ROM_CONFIG,
70         OPTION_ROM_MICROCODE = 10,
71         S_CRTM_VERSION,
72         S_CRTM_CONTENTS,
73         POST_CONTENTS,
74         HOST_TABLE_OF_DEVICES,
75 };
76
77 /* http://www.trustedcomputinggroup.org/tcg-efi-protocol-specification/ */
78
79 struct tcg_efi_specid_event_algs {
80         u16 alg_id;
81         u16 digest_size;
82 } __packed;
83
84 struct tcg_efi_specid_event_head {
85         u8 signature[16];
86         u32 platform_class;
87         u8 spec_version_minor;
88         u8 spec_version_major;
89         u8 spec_errata;
90         u8 uintnsize;
91         u32 num_algs;
92         struct tcg_efi_specid_event_algs digest_sizes[];
93 } __packed;
94
95 struct tcg_pcr_event {
96         u32 pcr_idx;
97         u32 event_type;
98         u8 digest[20];
99         u32 event_size;
100         u8 event[0];
101 } __packed;
102
103 struct tcg_event_field {
104         u32 event_size;
105         u8 event[0];
106 } __packed;
107
108 struct tcg_pcr_event2_head {
109         u32 pcr_idx;
110         u32 event_type;
111         u32 count;
112         struct tpm_digest digests[];
113 } __packed;
114
115 #endif