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| /* SPDX-License-Identifier: GPL-2.0 */
|
| #ifndef __LINUX_TPM_EVENTLOG_H__
| #define __LINUX_TPM_EVENTLOG_H__
|
| #include <crypto/hash_info.h>
|
| #define TCG_EVENT_NAME_LEN_MAX 255
| #define MAX_TEXT_EVENT 1000 /* Max event string length */
| #define ACPI_TCPA_SIG "TCPA" /* 0x41504354 /'TCPA' */
| #define TPM2_ACTIVE_PCR_BANKS 3
|
| #define EFI_TCG2_EVENT_LOG_FORMAT_TCG_1_2 0x1
| #define EFI_TCG2_EVENT_LOG_FORMAT_TCG_2 0x2
|
| #ifdef CONFIG_PPC64
| #define do_endian_conversion(x) be32_to_cpu(x)
| #else
| #define do_endian_conversion(x) x
| #endif
|
| enum bios_platform_class {
| BIOS_CLIENT = 0x00,
| BIOS_SERVER = 0x01,
| };
|
| struct tcpa_event {
| u32 pcr_index;
| u32 event_type;
| u8 pcr_value[20]; /* SHA1 */
| u32 event_size;
| u8 event_data[0];
| };
|
| enum tcpa_event_types {
| PREBOOT = 0,
| POST_CODE,
| UNUSED,
| NO_ACTION,
| SEPARATOR,
| ACTION,
| EVENT_TAG,
| SCRTM_CONTENTS,
| SCRTM_VERSION,
| CPU_MICROCODE,
| PLATFORM_CONFIG_FLAGS,
| TABLE_OF_DEVICES,
| COMPACT_HASH,
| IPL,
| IPL_PARTITION_DATA,
| NONHOST_CODE,
| NONHOST_CONFIG,
| NONHOST_INFO,
| };
|
| struct tcpa_pc_event {
| u32 event_id;
| u32 event_size;
| u8 event_data[0];
| };
|
| enum tcpa_pc_event_ids {
| SMBIOS = 1,
| BIS_CERT,
| POST_BIOS_ROM,
| ESCD,
| CMOS,
| NVRAM,
| OPTION_ROM_EXEC,
| OPTION_ROM_CONFIG,
| OPTION_ROM_MICROCODE = 10,
| S_CRTM_VERSION,
| S_CRTM_CONTENTS,
| POST_CONTENTS,
| HOST_TABLE_OF_DEVICES,
| };
|
| /* http://www.trustedcomputinggroup.org/tcg-efi-protocol-specification/ */
|
| struct tcg_efi_specid_event_algs {
| u16 alg_id;
| u16 digest_size;
| } __packed;
|
| struct tcg_efi_specid_event {
| u8 signature[16];
| u32 platform_class;
| u8 spec_version_minor;
| u8 spec_version_major;
| u8 spec_errata;
| u8 uintnsize;
| u32 num_algs;
| struct tcg_efi_specid_event_algs digest_sizes[TPM2_ACTIVE_PCR_BANKS];
| u8 vendor_info_size;
| u8 vendor_info[0];
| } __packed;
|
| struct tcg_pcr_event {
| u32 pcr_idx;
| u32 event_type;
| u8 digest[20];
| u32 event_size;
| u8 event[0];
| } __packed;
|
| struct tcg_event_field {
| u32 event_size;
| u8 event[0];
| } __packed;
|
| struct tpm2_digest {
| u16 alg_id;
| u8 digest[SHA512_DIGEST_SIZE];
| } __packed;
|
| struct tcg_pcr_event2 {
| u32 pcr_idx;
| u32 event_type;
| u32 count;
| struct tpm2_digest digests[TPM2_ACTIVE_PCR_BANKS];
| struct tcg_event_field event;
| } __packed;
|
| #endif
|
|
