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/*++
Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
Module Name:
TcgService.h
Abstract:
TCG Service Protocol as defined in TCG_EFI_Protocol_1_20_Final
See http://trustedcomputinggroup.org for the latest specification
--*/
#ifndef _TCG_SERVICE_PROTOCOL_H_
#define _TCG_SERVICE_PROTOCOL_H_
#include "EfiTpm.h"
#define EFI_TCG_PROTOCOL_GUID \
{0xf541796d, 0xa62e, 0x4954, {0xa7, 0x75, 0x95, 0x84, 0xf6, 0x1b, 0x9c, 0xdd}}
#define EFI_TCG_PLATFORM_PROTOCOL_GUID \
{ 0x8c4c9a41, 0xbf56, 0x4627, {0x9e, 0xa, 0xc8, 0x38, 0x6d, 0x66, 0x11, 0x5c} }
#define TSS_EVENT_DATA_MAX_SIZE 256
#define EFI_CALLING_EFI_APPLICATION \
"Calling EFI Application from Boot Option"
#define EFI_RETURNING_FROM_EFI_APPLICATOIN \
"Returning from EFI Application from Boot Option"
#define EFI_EXIT_BOOT_SERVICES_INVOCATION \
"Exit Boot Services Invocation"
#define EFI_EXIT_BOOT_SERVICES_FAILED \
"Exit Boot Services Returned with Failure"
#define EFI_EXIT_BOOT_SERVICES_SUCCEEDED \
"Exit Boot Services Returned with Success"
EFI_FORWARD_DECLARATION (EFI_TCG_PROTOCOL);
//
// Set structure alignment to 1-byte
//
#pragma pack (1)
typedef struct {
UINT8 Major;
UINT8 Minor;
UINT8 RevMajor;
UINT8 RevMinor;
} TCG_VERSION;
typedef struct _TCG_EFI_BOOT_SERVICE_CAPABILITY {
UINT8 Size; // Size of this structure
TCG_VERSION StructureVersion;
TCG_VERSION ProtocolSpecVersion;
UINT8 HashAlgorithmBitmap; // Hash algorithms
// this protocol is capable of : 01=SHA-1
BOOLEAN TPMPresentFlag; // 00h = TPM not present
BOOLEAN TPMDeactivatedFlag; // 01h = TPM currently deactivated
} TCG_EFI_BOOT_SERVICE_CAPABILITY;
typedef UINT32 TCG_ALGORITHM_ID;
//
// Restore original structure alignment
//
#pragma pack ()
typedef
EFI_STATUS
(EFIAPI *EFI_TCG_STATUS_CHECK) (
IN EFI_TCG_PROTOCOL *This,
OUT TCG_EFI_BOOT_SERVICE_CAPABILITY
*ProtocolCapability,
OUT UINT32 *TCGFeatureFlags,
OUT EFI_PHYSICAL_ADDRESS *EventLogLocation,
OUT EFI_PHYSICAL_ADDRESS *EventLogLastEntry
);
typedef
EFI_STATUS
(EFIAPI *EFI_TCG_HASH_ALL) (
IN EFI_TCG_PROTOCOL *This,
IN UINT8 *HashData,
IN UINT64 HashDataLen,
IN TCG_ALGORITHM_ID AlgorithmId,
IN OUT UINT64 *HashedDataLen,
IN OUT UINT8 **HashedDataResult
);
typedef
EFI_STATUS
(EFIAPI *EFI_TCG_LOG_EVENT) (
IN EFI_TCG_PROTOCOL *This,
IN TCG_PCR_EVENT *TCGLogData,
IN OUT UINT32 *EventNumber,
IN UINT32 Flags
);
typedef
EFI_STATUS
(EFIAPI *EFI_TCG_PASS_THROUGH_TO_TPM) (
IN EFI_TCG_PROTOCOL *This,
IN UINT32 TpmInputParamterBlockSize,
IN UINT8 *TpmInputParamterBlock,
IN UINT32 TpmOutputParameterBlockSize,
IN UINT8 *TpmOutputParameterBlock
);
typedef
EFI_STATUS
(EFIAPI *EFI_TCG_HASH_LOG_EXTEND_EVENT) (
IN EFI_TCG_PROTOCOL *This,
IN UINT8 *HashData,
IN UINT64 HashDataLen,
IN TCG_ALGORITHM_ID AlgorithmId,
IN OUT TCG_PCR_EVENT *TCGLogData,
IN OUT UINT32 *EventNumber,
OUT EFI_PHYSICAL_ADDRESS *EventLogLastEntry
);
struct _EFI_TCG_PROTOCOL {
EFI_TCG_STATUS_CHECK StatusCheck;
EFI_TCG_HASH_ALL HashAll;
EFI_TCG_LOG_EVENT LogEvent;
EFI_TCG_PASS_THROUGH_TO_TPM PassThroughToTpm;
EFI_TCG_HASH_LOG_EXTEND_EVENT HashLogExtendEvent;
};
extern EFI_GUID gEfiTcgProtocolGuid;
//
// EFI TCG Platform Protocol
//
typedef
EFI_STATUS
(EFIAPI *EFI_TCG_MEASURE_PE_IMAGE) (
IN BOOLEAN BootPolicy,
IN EFI_PHYSICAL_ADDRESS ImageAddress,
IN UINTN ImageSize,
IN UINTN LinkTimeBase,
IN UINT16 ImageType,
IN EFI_HANDLE DeviceHandle,
IN EFI_DEVICE_PATH_PROTOCOL *FilePath
);
typedef
EFI_STATUS
(EFIAPI *EFI_TCG_MEASURE_ACTION) (
IN CHAR8 *ActionString
);
typedef struct tdEFI_TCG_PLATFORM_PROTOCOL {
EFI_TCG_MEASURE_PE_IMAGE MeasurePeImage;
EFI_TCG_MEASURE_ACTION MeasureAction;
} EFI_TCG_PLATFORM_PROTOCOL;
extern EFI_GUID gEfiTcgPlatformProtocolGuid;
#endif
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