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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once
#include "efi.h"
#define EFI_TCG_PROTOCOL_GUID \
GUID_DEF(0xf541796d, 0xa62e, 0x4954, 0xa7, 0x75, 0x95, 0x84, 0xf6, 0x1b, 0x9c, 0xdd)
#define EFI_TCG2_PROTOCOL_GUID \
GUID_DEF(0x607f766c, 0x7455, 0x42be, 0x93, 0x0b, 0xe4, 0xd7, 0x6d, 0xb2, 0x72, 0x0f)
#define TCG_ALG_SHA 0x4
#define EFI_TCG2_EVENT_HEADER_VERSION 1
#define EV_IPL 13
#define EV_EVENT_TAG UINT32_C(6)
typedef struct {
uint8_t Major;
uint8_t Minor;
uint8_t RevMajor;
uint8_t RevMinor;
} TCG_VERSION;
typedef struct {
uint8_t Major;
uint8_t Minor;
} EFI_TCG2_VERSION;
typedef struct {
uint8_t Size;
TCG_VERSION StructureVersion;
TCG_VERSION ProtocolSpecVersion;
uint8_t HashAlgorithmBitmap;
bool TPMPresentFlag;
bool TPMDeactivatedFlag;
} EFI_TCG_BOOT_SERVICE_CAPABILITY;
typedef struct {
uint8_t Size;
EFI_TCG2_VERSION StructureVersion;
EFI_TCG2_VERSION ProtocolVersion;
uint32_t HashAlgorithmBitmap;
uint32_t SupportedEventLogs;
bool TPMPresentFlag;
uint16_t MaxCommandSize;
uint16_t MaxResponseSize;
uint32_t ManufacturerID;
uint32_t NumberOfPCRBanks;
uint32_t ActivePcrBanks;
} EFI_TCG2_BOOT_SERVICE_CAPABILITY;
typedef struct {
uint32_t PCRIndex;
uint32_t EventType;
struct {
uint8_t Digest[20];
} Digest;
uint32_t EventSize;
uint8_t Event[];
} _packed_ TCG_PCR_EVENT;
typedef struct {
uint32_t HeaderSize;
uint16_t HeaderVersion;
uint32_t PCRIndex;
uint32_t EventType;
} _packed_ EFI_TCG2_EVENT_HEADER;
typedef struct {
uint32_t Size;
EFI_TCG2_EVENT_HEADER Header;
uint8_t Event[];
} _packed_ EFI_TCG2_EVENT;
typedef struct {
uint32_t EventId;
uint32_t EventSize;
uint8_t Event[];
} _packed_ EFI_TCG2_TAGGED_EVENT;
typedef struct EFI_TCG_PROTOCOL EFI_TCG_PROTOCOL;
struct EFI_TCG_PROTOCOL {
EFI_STATUS (EFIAPI *StatusCheck)(
EFI_TCG_PROTOCOL *This,
EFI_TCG_BOOT_SERVICE_CAPABILITY *ProtocolCapability,
uint32_t *TCGFeatureFlags,
EFI_PHYSICAL_ADDRESS *EventLogLocation,
EFI_PHYSICAL_ADDRESS *EventLogLastEntry);
void *HashAll;
void *LogEvent;
void *PassThroughToTpm;
EFI_STATUS (EFIAPI *HashLogExtendEvent)(
EFI_TCG_PROTOCOL *This,
EFI_PHYSICAL_ADDRESS HashData,
uint64_t HashDataLen,
uint32_t AlgorithmId,
TCG_PCR_EVENT *TCGLogData,
uint32_t *EventNumber,
EFI_PHYSICAL_ADDRESS *EventLogLastEntry);
};
typedef struct EFI_TCG2_PROTOCOL EFI_TCG2_PROTOCOL;
struct EFI_TCG2_PROTOCOL {
EFI_STATUS (EFIAPI *GetCapability)(
EFI_TCG2_PROTOCOL *This,
EFI_TCG2_BOOT_SERVICE_CAPABILITY *ProtocolCapability);
void *GetEventLog;
EFI_STATUS (EFIAPI *HashLogExtendEvent)(
EFI_TCG2_PROTOCOL *This,
uint64_t Flags,
EFI_PHYSICAL_ADDRESS DataToHash,
uint64_t DataToHashLen,
EFI_TCG2_EVENT *EfiTcgEvent);
void *SubmitCommand;
void *GetActivePcrBanks;
void *SetActivePcrBanks;
void *GetResultOfSetActivePcrBanks;
};
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