//**********************************************************************
//**********************************************************************
//**                                                                  **
//**        (C)Copyright 1985-2009, American Megatrends, Inc.         **
//**                                                                  **
//**                       All Rights Reserved.                       **
//**                                                                  **
//**      5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093        **
//**                                                                  **
//**                       Phone: (770)-246-8600                      **
//**                                                                  **
//**********************************************************************
//**********************************************************************

//**********************************************************************
// $Header: /Alaska/BIN/Core/Include/Protocol/TcgService.h 1     11/19/09 12:51p Felixp $
//
// $Revision: 1 $
//
// $Date: 11/19/09 12:51p $
//**********************************************************************
// Revision History
// ----------------
// $Log: /Alaska/BIN/Core/Include/Protocol/TcgService.h $
// 
// 1     11/19/09 12:51p Felixp
// EFI TCG Protocol
// 
//**********************************************************************
//<AMI_FHDR_START>
//
// Name:  TcgService.c
//
// Description:	TCG Service Protocol as defined in TCG_EFI_Protocol_1_20_Final
//
//<AMI_FHDR_END>
//**********************************************************************
#ifndef __TCG_SERVICE_PROTOCOL__H__
#define __TCG_SERVICE_PROTOCOL__H__
#ifdef __cplusplus
extern "C" {
#endif
#include <TcgTpm.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 }

GUID_VARIABLE_DECLARATION(gEfiTcgProtocolGuid,EFI_TCG_PROTOCOL_GUID);
GUID_VARIABLE_DECLARATION(gEfiTcgPlatformProtocolGuid,EFI_TCG_PLATFORM_PROTOCOL_GUID);

#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 (push, 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 (pop)

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                    TpmInputParameterBlockSize,
  IN      UINT8                     *TpmInputParameterBlock,
  IN      UINT32                    TpmOutputParameterBlockSize,
  IN      UINT8                     *TpmOutputParameterBlock
  );

typedef
EFI_STATUS
(EFIAPI *EFI_TCG_HASH_LOG_EXTEND_EVENT) (
  IN      EFI_TCG_PROTOCOL          *This,
  IN      EFI_PHYSICAL_ADDRESS      HashData,
  IN      UINT64                    HashDataLen,
  IN      TCG_ALGORITHM_ID          AlgorithmId,
  IN OUT  TCG_PCR_EVENT             *TCGLogData,
  IN OUT  UINT32                    *EventNumber,
     OUT  EFI_PHYSICAL_ADDRESS      *EventLogLastEntry
  );

typedef 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;
} EFI_TCG_PROTOCOL;

//
// 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
EFI_STATUS
(EFIAPI *EFI_TCG_MEASURE_GPT_TABLE) (
  IN      EFI_DEVICE_PATH_PROTOCOL  *DevicePath
  );

typedef struct _EFI_TCG_PLATFORM_PROTOCOL {
  EFI_TCG_MEASURE_PE_IMAGE          MeasurePeImage;
  EFI_TCG_MEASURE_ACTION            MeasureAction;
  EFI_TCG_MEASURE_GPT_TABLE         MeasureGptTable;
} EFI_TCG_PLATFORM_PROTOCOL;

/****** DO NOT WRITE BELOW THIS LINE *******/
#ifdef __cplusplus
}
#endif
#endif
//**********************************************************************
//**********************************************************************
//**                                                                  **
//**        (C)Copyright 1985-2009, American Megatrends, Inc.         **
//**                                                                  **
//**                       All Rights Reserved.                       **
//**                                                                  **
//**      5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093        **
//**                                                                  **
//**                       Phone: (770)-246-8600                      **
//**                                                                  **
//**********************************************************************
//**********************************************************************