mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-21 08:19:28 +00:00
![Thiebaud Weksteen](/assets/img/avatar_default.png)
Although defined as part of the TCG EFI specification, we add these definitions here so that any event log provider may reference them. Signed-off-by: Thiebaud Weksteen <tweek@google.com> Reviewed-by: Javier Martinez Canillas <javierm@redhat.com> Tested-by: Javier Martinez Canillas <javierm@redhat.com> Tested-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
124 lines
2.1 KiB
C
124 lines
2.1 KiB
C
/* 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
|