include/linux/tpm_eventlog.h

Source file repositories/reference/linux-study-clean/include/linux/tpm_eventlog.h

File Facts

System
Linux kernel
Corpus path
include/linux/tpm_eventlog.h
Extension
.h
Size
6748 bytes
Lines
300
Domain
Core OS
Bucket
Core Kernel Interface
Inferred role
Core OS: implementation source
Status
source implementation candidate

Why This File Exists

Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.

Dependency Surface

Detected Declarations

Annotated Snippet

struct tcpa_event {
	u32 pcr_index;
	u32 event_type;
	u8 pcr_value[20];	/* SHA1 */
	u32 event_size;
	u8 event_data[];
};

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[];
};

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;

#define TCG_SPECID_SIG "Spec ID Event03"

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[];
} __packed;

struct tcg_event_field {
	u32 event_size;
	u8 event[];
} __packed;

struct tcg_pcr_event2_head {
	u32 pcr_idx;
	u32 event_type;
	u32 count;
	struct tpm_digest digests[];
} __packed;

Annotation

Implementation Notes