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