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

/* 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
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
aa042475	6	#include <linux/tpm.h>
4d23cc32	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' */
	11
4d01d29d TW	12	#define EFI_TCG2_EVENT_LOG_FORMAT_TCG_1_2 0x1
	13	#define EFI_TCG2_EVENT_LOG_FORMAT_TCG_2 0x2
	14
0cc698af HCVL	15	#ifdef CONFIG_PPC64
	16	#define do_endian_conversion(x) be32_to_cpu(x)
	17	#else
	18	#define do_endian_conversion(x) x
	19	#endif
	20
e5dcd87f KY	21	enum bios_platform_class {
	22	BIOS_CLIENT = 0x00,
	23	BIOS_SERVER = 0x01,
	24	};
	25
e5dcd87f KY	26	struct tcpa_event {
	27	u32 pcr_index;
	28	u32 event_type;
	29	u8 pcr_value[20]; /* SHA1 */
	30	u32 event_size;
	31	u8 event_data[0];
	32	};
	33
	34	enum tcpa_event_types {
	35	PREBOOT = 0,
	36	POST_CODE,
	37	UNUSED,
	38	NO_ACTION,
	39	SEPARATOR,
	40	ACTION,
	41	EVENT_TAG,
	42	SCRTM_CONTENTS,
	43	SCRTM_VERSION,
	44	CPU_MICROCODE,
	45	PLATFORM_CONFIG_FLAGS,
	46	TABLE_OF_DEVICES,
	47	COMPACT_HASH,
	48	IPL,
	49	IPL_PARTITION_DATA,
	50	NONHOST_CODE,
	51	NONHOST_CONFIG,
	52	NONHOST_INFO,
	53	};
	54
	55	struct tcpa_pc_event {
	56	u32 event_id;
	57	u32 event_size;
	58	u8 event_data[0];
	59	};
	60
	61	enum tcpa_pc_event_ids {
	62	SMBIOS = 1,
	63	BIS_CERT,
	64	POST_BIOS_ROM,
	65	ESCD,
	66	CMOS,
	67	NVRAM,
	68	OPTION_ROM_EXEC,
	69	OPTION_ROM_CONFIG,
	70	OPTION_ROM_MICROCODE = 10,
	71	S_CRTM_VERSION,
	72	S_CRTM_CONTENTS,
	73	POST_CONTENTS,
	74	HOST_TABLE_OF_DEVICES,
	75	};
	76
4d23cc32 NJ	77	/* http://www.trustedcomputinggroup.org/tcg-efi-protocol-specification/ */
	78
	79	struct tcg_efi_specid_event_algs {
	80	u16 alg_id;
	81	u16 digest_size;
	82	} __packed;
	83
c8faabfc	84	struct tcg_efi_specid_event_head {
4d23cc32 NJ	85	u8 signature[16];
	86	u32 platform_class;
	87	u8 spec_version_minor;
	88	u8 spec_version_major;
	89	u8 spec_errata;
	90	u8 uintnsize;
	91	u32 num_algs;
c8faabfc	92	struct tcg_efi_specid_event_algs digest_sizes[];
4d23cc32 NJ	93	} __packed;
	94
	95	struct tcg_pcr_event {
	96	u32 pcr_idx;
	97	u32 event_type;
	98	u8 digest[20];
	99	u32 event_size;
	100	u8 event[0];
	101	} __packed;
	102
	103	struct tcg_event_field {
	104	u32 event_size;
	105	u8 event[0];
	106	} __packed;
	107
c8faabfc	108	struct tcg_pcr_event2_head {
4d23cc32 NJ	109	u32 pcr_idx;
	110	u32 event_type;
	111	u32 count;
aa042475	112	struct tpm_digest digests[];
4d23cc32 NJ	113	} __packed;
4d23cc32 NJ	114
e5dcd87f	115	#endif