[mirror_ubuntu-jammy-kernel.git] / include / linux / tpm_eventlog.h

/* 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
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
e5dcd87f	2
fd3ec366 TW	3	#ifndef __LINUX_TPM_EVENTLOG_H__
fd3ec366 TW	4	#define __LINUX_TPM_EVENTLOG_H__
e5dcd87f	5
4d23cc32 NJ	6	#include <crypto/hash_info.h>
4d23cc32 NJ	7
e5dcd87f KY	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' */
4d23cc32	11	#define TPM2_ACTIVE_PCR_BANKS 3
e5dcd87f	12
4d01d29d TW	13	#define EFI_TCG2_EVENT_LOG_FORMAT_TCG_1_2 0x1
	14	#define EFI_TCG2_EVENT_LOG_FORMAT_TCG_2 0x2
	15
0cc698af HCVL	16	#ifdef CONFIG_PPC64
	17	#define do_endian_conversion(x) be32_to_cpu(x)
	18	#else
	19	#define do_endian_conversion(x) x
	20	#endif
	21
e5dcd87f KY	22	enum bios_platform_class {
	23	BIOS_CLIENT = 0x00,
	24	BIOS_SERVER = 0x01,
	25	};
	26
e5dcd87f KY	27	struct tcpa_event {
	28	u32 pcr_index;
	29	u32 event_type;
	30	u8 pcr_value[20]; /* SHA1 */
	31	u32 event_size;
	32	u8 event_data[0];
	33	};
	34
	35	enum tcpa_event_types {
	36	PREBOOT = 0,
	37	POST_CODE,
	38	UNUSED,
	39	NO_ACTION,
	40	SEPARATOR,
	41	ACTION,
	42	EVENT_TAG,
	43	SCRTM_CONTENTS,
	44	SCRTM_VERSION,
	45	CPU_MICROCODE,
	46	PLATFORM_CONFIG_FLAGS,
	47	TABLE_OF_DEVICES,
	48	COMPACT_HASH,
	49	IPL,
	50	IPL_PARTITION_DATA,
	51	NONHOST_CODE,
	52	NONHOST_CONFIG,
	53	NONHOST_INFO,
	54	};
	55
	56	struct tcpa_pc_event {
	57	u32 event_id;
	58	u32 event_size;
	59	u8 event_data[0];
	60	};
	61
	62	enum tcpa_pc_event_ids {
	63	SMBIOS = 1,
	64	BIS_CERT,
	65	POST_BIOS_ROM,
	66	ESCD,
	67	CMOS,
	68	NVRAM,
	69	OPTION_ROM_EXEC,
	70	OPTION_ROM_CONFIG,
	71	OPTION_ROM_MICROCODE = 10,
	72	S_CRTM_VERSION,
	73	S_CRTM_CONTENTS,
	74	POST_CONTENTS,
	75	HOST_TABLE_OF_DEVICES,
	76	};
	77
4d23cc32 NJ	78	/* http://www.trustedcomputinggroup.org/tcg-efi-protocol-specification/ */
	79
	80	struct tcg_efi_specid_event_algs {
	81	u16 alg_id;
	82	u16 digest_size;
	83	} __packed;
	84
	85	struct tcg_efi_specid_event {
	86	u8 signature[16];
	87	u32 platform_class;
	88	u8 spec_version_minor;
	89	u8 spec_version_major;
	90	u8 spec_errata;
	91	u8 uintnsize;
	92	u32 num_algs;
	93	struct tcg_efi_specid_event_algs digest_sizes[TPM2_ACTIVE_PCR_BANKS];
	94	u8 vendor_info_size;
	95	u8 vendor_info[0];
	96	} __packed;
	97
	98	struct tcg_pcr_event {
	99	u32 pcr_idx;
	100	u32 event_type;
	101	u8 digest[20];
	102	u32 event_size;
	103	u8 event[0];
	104	} __packed;
	105
	106	struct tcg_event_field {
	107	u32 event_size;
	108	u8 event[0];
	109	} __packed;
	110
fd3ec366 TW	111	struct tpm2_digest {
	112	u16 alg_id;
	113	u8 digest[SHA512_DIGEST_SIZE];
	114	} __packed;
	115
4d23cc32 NJ	116	struct tcg_pcr_event2 {
	117	u32 pcr_idx;
	118	u32 event_type;
	119	u32 count;
	120	struct tpm2_digest digests[TPM2_ACTIVE_PCR_BANKS];
	121	struct tcg_event_field event;
	122	} __packed;
	123
e5dcd87f	124	#endif