/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __LINUX_TPM_EVENTLOG_H__ #define __LINUX_TPM_EVENTLOG_H__ #include <linux/tpm.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 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_head { 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[]; } __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 tcg_pcr_event2_head { u32 pcr_idx; u32 event_type; u32 count; struct tpm_digest digests[]; } __packed; #endif