audk/MdePkg/Include/IndustryStandard/TcgStorageCore.h

396 lines
17 KiB
C

/** @file
TCG defined values and structures.
(TCG Storage Architecture Core Specification, Version 2.01, Revision 1.00,
https://trustedcomputinggroup.org/tcg-storage-architecture-core-specification/)
Check http://trustedcomputinggroup.org for latest specification updates.
Copyright (c) 2016 - 2018, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef _TCG_STORAGE_CORE_H_
#define _TCG_STORAGE_CORE_H_
#include <Base.h>
#pragma pack(1)
/// UID in host native byte order
typedef UINT64 TCG_UID;
#define TCG_TO_UID(b0, b1, b2, b3, b4, b5, b6, b7) (TCG_UID)( \
(UINT64)(b0) | \
((UINT64)(b1) << 8) | \
((UINT64)(b2) << 16) | \
((UINT64)(b3) << 24) | \
((UINT64)(b4) << 32) | \
((UINT64)(b5) << 40) | \
((UINT64)(b6) << 48) | \
((UINT64)(b7) << 56))
typedef struct {
UINT32 ReservedBE;
UINT16 ComIDBE;
UINT16 ComIDExtensionBE;
UINT32 OutstandingDataBE;
UINT32 MinTransferBE;
UINT32 LengthBE;
UINT8 Payload[0];
} TCG_COM_PACKET;
typedef struct {
UINT32 TperSessionNumberBE;
UINT32 HostSessionNumberBE;
UINT32 SequenceNumberBE;
UINT16 ReservedBE;
UINT16 AckTypeBE;
UINT32 AcknowledgementBE;
UINT32 LengthBE;
UINT8 Payload[0];
} TCG_PACKET;
#define TCG_SUBPACKET_ALIGNMENT 4 // 4-byte alignment per spec
typedef struct {
UINT8 ReservedBE[6];
UINT16 KindBE;
UINT32 LengthBE;
UINT8 Payload[0];
} TCG_SUB_PACKET;
#define SUBPACKET_KIND_DATA 0x0000
#define SUBPACKET_KIND_CREDIT_CONTROL 0x8001
#define TCG_ATOM_TYPE_INTEGER 0x0
#define TCG_ATOM_TYPE_BYTE 0x1
typedef struct {
UINT8 Data : 6;
UINT8 Sign : 1;
UINT8 IsZero : 1;
} TCG_TINY_ATOM_BITS;
typedef union {
UINT8 Raw;
TCG_TINY_ATOM_BITS TinyAtomBits;
} TCG_SIMPLE_TOKEN_TINY_ATOM;
typedef struct {
UINT8 Length : 4;
UINT8 SignOrCont : 1;
UINT8 ByteOrInt : 1;
UINT8 IsZero : 1;
UINT8 IsOne : 1;
} TCG_SHORT_ATOM_BITS;
typedef union {
UINT8 RawHeader;
TCG_SHORT_ATOM_BITS ShortAtomBits;
} TCG_SIMPLE_TOKEN_SHORT_ATOM;
#define TCG_MEDIUM_ATOM_LENGTH_HIGH_SHIFT 0x8
#define TCG_MEDIUM_ATOM_LENGTH_HIGH_MASK 0x7
typedef struct {
UINT8 LengthHigh : 3;
UINT8 SignOrCont : 1;
UINT8 ByteOrInt : 1;
UINT8 IsZero : 1;
UINT8 IsOne1 : 1;
UINT8 IsOne2 : 1;
UINT8 LengthLow;
} TCG_MEDIUM_ATOM_BITS;
typedef union {
UINT16 RawHeader;
TCG_MEDIUM_ATOM_BITS MediumAtomBits;
} TCG_SIMPLE_TOKEN_MEDIUM_ATOM;
#define TCG_LONG_ATOM_LENGTH_HIGH_SHIFT 16
#define TCG_LONG_ATOM_LENGTH_MID_SHIFT 8
typedef struct {
UINT8 SignOrCont : 1;
UINT8 ByteOrInt : 1;
UINT8 Reserved : 2;
UINT8 IsZero : 1;
UINT8 IsOne1 : 1;
UINT8 IsOne2 : 1;
UINT8 IsOne3 : 1;
UINT8 LengthHigh;
UINT8 LengthMid;
UINT8 LengthLow;
} TCG_LONG_ATOM_BITS;
typedef union {
UINT32 RawHeader;
TCG_LONG_ATOM_BITS LongAtomBits;
} TCG_SIMPLE_TOKEN_LONG_ATOM;
// TCG Core Spec v2 - Table 04 - Token Types
typedef enum {
TcgTokenTypeReserved,
TcgTokenTypeTinyAtom,
TcgTokenTypeShortAtom,
TcgTokenTypeMediumAtom,
TcgTokenTypeLongAtom,
TcgTokenTypeStartList,
TcgTokenTypeEndList,
TcgTokenTypeStartName,
TcgTokenTypeEndName,
TcgTokenTypeCall,
TcgTokenTypeEndOfData,
TcgTokenTypeEndOfSession,
TcgTokenTypeStartTransaction,
TcgTokenTypeEndTransaction,
TcgTokenTypeEmptyAtom,
} TCG_TOKEN_TYPE;
#pragma pack()
#define TCG_TOKEN_SHORTATOM_MAX_BYTE_SIZE 0x0F
#define TCG_TOKEN_MEDIUMATOM_MAX_BYTE_SIZE 0x7FF
#define TCG_TOKEN_LONGATOM_MAX_BYTE_SIZE 0xFFFFFF
#define TCG_TOKEN_TINYATOM_UNSIGNED_MAX_VALUE 0x3F
#define TCG_TOKEN_TINYATOM_SIGNED_MAX_VALUE 0x1F
#define TCG_TOKEN_TINYATOM_SIGNED_MIN_VALUE -32
// TOKEN TYPES
#define TCG_TOKEN_TINYATOM 0x00
#define TCG_TOKEN_TINYSIGNEDATOM 0x40
#define TCG_TOKEN_SHORTATOM 0x80
#define TCG_TOKEN_SHORTSIGNEDATOM 0x90
#define TCG_TOKEN_SHORTBYTESATOM 0xA0
#define TCG_TOKEN_MEDIUMATOM 0xC0
#define TCG_TOKEN_MEDIUMSIGNEDATOM 0xC8
#define TCG_TOKEN_MEDIUMBYTESATOM 0xD0
#define TCG_TOKEN_LONGATOM 0xE0
#define TCG_TOKEN_LONGSIGNEDATOM 0xE1
#define TCG_TOKEN_LONGBYTESATOM 0xE2
#define TCG_TOKEN_STARTLIST 0xF0
#define TCG_TOKEN_ENDLIST 0xF1
#define TCG_TOKEN_STARTNAME 0xF2
#define TCG_TOKEN_ENDNAME 0xF3
// 0xF4 - 0xF7 TCG Reserved
#define TCG_TOKEN_CALL 0xF8
#define TCG_TOKEN_ENDDATA 0xF9
#define TCG_TOKEN_ENDSESSION 0xFA
#define TCG_TOKEN_STARTTRANSACTION 0xFB
#define TCG_TOKEN_ENDTRANSACTION 0xFC
// 0xFD - 0xFE TCG Reserved
#define TCG_TOKEN_EMPTY 0xFF
// CELLBLOCK reserved Names
#define TCG_CELL_BLOCK_TABLE_NAME (UINT8)0x00
#define TCG_CELL_BLOCK_START_ROW_NAME (UINT8)0x01
#define TCG_CELL_BLOCK_END_ROW_NAME (UINT8)0x02
#define TCG_CELL_BLOCK_START_COLUMN_NAME (UINT8)0x03
#define TCG_CELL_BLOCK_END_COLUMN_NAME (UINT8)0x04
// METHOD STATUS CODES
#define TCG_METHOD_STATUS_CODE_SUCCESS 0x00
#define TCG_METHOD_STATUS_CODE_NOT_AUTHORIZED 0x01
#define TCG_METHOD_STATUS_CODE_OBSOLETE 0x02
#define TCG_METHOD_STATUS_CODE_SP_BUSY 0x03
#define TCG_METHOD_STATUS_CODE_SP_FAILED 0x04
#define TCG_METHOD_STATUS_CODE_SP_DISABLED 0x05
#define TCG_METHOD_STATUS_CODE_SP_FROZEN 0x06
#define TCG_METHOD_STATUS_CODE_NO_SESSIONS_AVAILABLE 0x07
#define TCG_METHOD_STATUS_CODE_UNIQUENESS_CONFLICT 0x08
#define TCG_METHOD_STATUS_CODE_INSUFFICIENT_SPACE 0x09
#define TCG_METHOD_STATUS_CODE_INSUFFICIENT_ROWS 0x0A
#define TCG_METHOD_STATUS_CODE_INVALID_PARAMETER 0x0C
#define TCG_METHOD_STATUS_CODE_OBSOLETE2 0x0D
#define TCG_METHOD_STATUS_CODE_OBSOLETE3 0x0E
#define TCG_METHOD_STATUS_CODE_TPER_MALFUNCTION 0x0F
#define TCG_METHOD_STATUS_CODE_TRANSACTION_FAILURE 0x10
#define TCG_METHOD_STATUS_CODE_RESPONSE_OVERFLOW 0x11
#define TCG_METHOD_STATUS_CODE_AUTHORITY_LOCKED_OUT 0x12
#define TCG_METHOD_STATUS_CODE_FAIL 0x3F
// Feature Codes
#define TCG_FEATURE_INVALID (UINT16)0x0000
#define TCG_FEATURE_TPER (UINT16)0x0001
#define TCG_FEATURE_LOCKING (UINT16)0x0002
#define TCG_FEATURE_GEOMETRY_REPORTING (UINT16)0x0003
#define TCG_FEATURE_SINGLE_USER_MODE (UINT16)0x0201
#define TCG_FEATURE_DATASTORE_TABLE (UINT16)0x0202
#define TCG_FEATURE_OPAL_SSC_V1_0_0 (UINT16)0x0200
#define TCG_FEATURE_OPAL_SSC_V2_0_0 (UINT16)0x0203
#define TCG_FEATURE_OPAL_SSC_LITE (UINT16)0x0301
#define TCG_FEATURE_PYRITE_SSC (UINT16)0x0302
#define TCG_FEATURE_PYRITE_SSC_V2_0_0 (UINT16)0x0303
#define TCG_FEATURE_BLOCK_SID (UINT16)0x0402
#define TCG_FEATURE_DATA_REMOVAL (UINT16)0x0404
// ACE Expression values
#define TCG_ACE_EXPRESSION_AND 0x0
#define TCG_ACE_EXPRESSION_OR 0x1
/****************************************************************************
TRUSTED RECEIVE - supported security protocols list (SP_Specific = 0000h)
ATA 8 Rev6a Table 68 7.57.6.2
****************************************************************************/
// Security Protocol IDs
#define TCG_SECURITY_PROTOCOL_INFO 0x00
#define TCG_OPAL_SECURITY_PROTOCOL_1 0x01
#define TCG_OPAL_SECURITY_PROTOCOL_2 0x02
#define TCG_SECURITY_PROTOCOL_TCG3 0x03
#define TCG_SECURITY_PROTOCOL_TCG4 0x04
#define TCG_SECURITY_PROTOCOL_TCG5 0x05
#define TCG_SECURITY_PROTOCOL_TCG6 0x06
#define TCG_SECURITY_PROTOCOL_CBCS 0x07
#define TCG_SECURITY_PROTOCOL_TAPE_DATA 0x20
#define TCG_SECURITY_PROTOCOL_DATA_ENCRYPT_CONFIG 0x21
#define TCG_SECURITY_PROTOCOL_SA_CREATION_CAPS 0x40
#define TCG_SECURITY_PROTOCOL_IKEV2_SCSI 0x41
#define TCG_SECURITY_PROTOCOL_JEDEC_UFS 0xEC
#define TCG_SECURITY_PROTOCOL_SDCARD_SECURITY 0xED
#define TCG_SECURITY_PROTOCOL_IEEE_1667 0xEE
#define TCG_SECURITY_PROTOCOL_ATA_DEVICE_SERVER_PASS 0xEF
// Security Protocol Specific IDs
#define TCG_SP_SPECIFIC_PROTOCOL_LIST 0x0000
#define TCG_SP_SPECIFIC_PROTOCOL_LEVEL0_DISCOVERY 0x0001
#define TCG_RESERVED_COMID 0x0000
// Defined in TCG Storage Feature Set:Block SID Authentication spec,
// ComId used for BlockSid command is hardcode 0x0005.
#define TCG_BLOCKSID_COMID 0x0005
#pragma pack(1)
typedef struct {
UINT8 Reserved[6];
UINT16 ListLength_BE; // 6 - 7
UINT8 List[504]; // 8...
} TCG_SUPPORTED_SECURITY_PROTOCOLS;
// Level 0 Discovery
typedef struct {
UINT32 LengthBE; // number of valid bytes in discovery response, not including length field
UINT16 VerMajorBE;
UINT16 VerMinorBE;
UINT8 Reserved[8];
UINT8 VendorUnique[32];
} TCG_LEVEL0_DISCOVERY_HEADER;
typedef struct _TCG_LEVEL0_FEATURE_DESCRIPTOR_HEADER {
UINT16 FeatureCode_BE;
UINT8 Reserved : 4;
UINT8 Version : 4;
UINT8 Length; // length of feature dependent data in bytes
} TCG_LEVEL0_FEATURE_DESCRIPTOR_HEADER;
typedef struct {
TCG_LEVEL0_FEATURE_DESCRIPTOR_HEADER Header;
UINT8 LockingSupported : 1;
UINT8 LockingEnabled : 1; // means the locking security provider (SP) is enabled
UINT8 Locked : 1; // means at least 1 locking range is enabled
UINT8 MediaEncryption : 1;
UINT8 MbrEnabled : 1;
UINT8 MbrDone : 1;
UINT8 Reserved : 2;
UINT8 Reserved515[11];
} TCG_LOCKING_FEATURE_DESCRIPTOR;
typedef struct {
TCG_LEVEL0_FEATURE_DESCRIPTOR_HEADER Header;
UINT8 SIDValueState : 1;
UINT8 SIDBlockedState : 1;
UINT8 Reserved4 : 6;
UINT8 HardwareReset : 1;
UINT8 Reserved5 : 7;
UINT8 Reserved615[10];
} TCG_BLOCK_SID_FEATURE_DESCRIPTOR;
typedef struct {
TCG_LEVEL0_FEATURE_DESCRIPTOR_HEADER Header;
UINT8 SyncSupported : 1;
UINT8 AsyncSupported : 1;
UINT8 AckNakSupported : 1;
UINT8 BufferMgmtSupported : 1;
UINT8 StreamingSupported : 1;
UINT8 Reserved4b5 : 1;
UINT8 ComIdMgmtSupported : 1;
UINT8 Reserved4b7 : 1;
UINT8 Reserved515[11];
} TCG_TPER_FEATURE_DESCRIPTOR;
#pragma pack()
// Special Purpose UIDs
#define TCG_UID_NULL TCG_TO_UID(0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00)
#define TCG_UID_THIS_SP TCG_TO_UID(0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01)
#define TCG_UID_SMUID TCG_TO_UID(0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF)
// Session Manager Method UIDS
#define TCG_UID_SM_PROPERTIES TCG_TO_UID(0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0x01)
#define TCG_UID_SM_START_SESSION TCG_TO_UID(0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0x02)
#define TCG_UID_SM_SYNC_SESSION TCG_TO_UID(0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0x03)
#define TCG_UID_SM_START_TRUSTED_SESSION TCG_TO_UID(0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0x04)
#define TCG_UID_SM_SYNC_TRUSTED_SESSION TCG_TO_UID(0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0x05)
#define TCG_UID_SM_CLOSE_SESSION TCG_TO_UID(0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0x06)
// MethodID UIDs
#define TCG_UID_METHOD_DELETE_SP TCG_TO_UID(0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x01)
#define TCG_UID_METHOD_CREATE_TABLE TCG_TO_UID(0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x02)
#define TCG_UID_METHOD_DELETE TCG_TO_UID(0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x03)
#define TCG_UID_METHOD_CREATE_ROW TCG_TO_UID(0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x04)
#define TCG_UID_METHOD_DELETE_ROW TCG_TO_UID(0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x05)
#define TCG_UID_METHOD_NEXT TCG_TO_UID(0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x08)
#define TCG_UID_METHOD_GET_FREE_SPACE TCG_TO_UID(0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x09)
#define TCG_UID_METHOD_GET_FREE_ROWS TCG_TO_UID(0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x0A)
#define TCG_UID_METHOD_DELETE_METHOD TCG_TO_UID(0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x0B)
#define TCG_UID_METHOD_GET_ACL TCG_TO_UID(0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x0D)
#define TCG_UID_METHOD_ADD_ACE TCG_TO_UID(0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x0E)
#define TCG_UID_METHOD_REMOVE_ACE TCG_TO_UID(0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x0F)
#define TCG_UID_METHOD_GEN_KEY TCG_TO_UID(0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x10)
#define TCG_UID_METHOD_GET_PACKAGE TCG_TO_UID(0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x12)
#define TCG_UID_METHOD_SET_PACKAGE TCG_TO_UID(0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x13)
#define TCG_UID_METHOD_GET TCG_TO_UID(0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x16)
#define TCG_UID_METHOD_SET TCG_TO_UID(0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x17)
#define TCG_UID_METHOD_AUTHENTICATE TCG_TO_UID(0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x1C)
#define TCG_UID_METHOD_ISSUE_SP TCG_TO_UID(0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x02, 0x01)
#define TCG_UID_METHOD_GET_CLOCK TCG_TO_UID(0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x04, 0x01)
#define TCG_UID_METHOD_RESET_CLOCK TCG_TO_UID(0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x04, 0x02)
#define TCG_UID_METHOD_SET_CLOCK_HIGH TCG_TO_UID(0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x04, 0x03)
#define TCG_UID_METHOD_SET_LAG_HIGH TCG_TO_UID(0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x04, 0x04)
#define TCG_UID_METHOD_SET_CLOCK_LOW TCG_TO_UID(0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x04, 0x05)
#define TCG_UID_METHOD_SET_LAG_LOW TCG_TO_UID(0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0x06)
#define TCG_UID_METHOD_INCREMENT_COUNTER TCG_TO_UID(0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x04, 0x07)
#define TCG_UID_METHOD_RANDOM TCG_TO_UID(0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x06, 0x01)
#define TCG_UID_METHOD_SALT TCG_TO_UID(0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x06, 0x02)
#define TCG_UID_METHOD_DECRYPT_INIT TCG_TO_UID(0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x06, 0x03)
#define TCG_UID_METHOD_DECRYPT TCG_TO_UID(0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x06, 0x04)
#define TCG_UID_METHOD_DECRYPT_FINALIZE TCG_TO_UID(0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x06, 0x05)
#define TCG_UID_METHOD_ENCRYPT_INIT TCG_TO_UID(0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x06, 0x06)
#define TCG_UID_METHOD_ENCRYPT TCG_TO_UID(0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x06, 0x07)
#define TCG_UID_METHOD_ENCRYPT_FINALIZE TCG_TO_UID(0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x06, 0x08)
#define TCG_UID_METHOD_HMAC_INIT TCG_TO_UID(0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x06, 0x09)
#define TCG_UID_METHOD_HMAC TCG_TO_UID(0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x06, 0x0A)
#define TCG_UID_METHOD_HMAC_FINALIZE TCG_TO_UID(0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x06, 0x0B)
#define TCG_UID_METHOD_HASH_INIT TCG_TO_UID(0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x06, 0x0C)
#define TCG_UID_METHOD_HASH TCG_TO_UID(0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x06, 0x0D)
#define TCG_UID_METHOD_HASH_FINALIZE TCG_TO_UID(0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x06, 0x0E)
#define TCG_UID_METHOD_SIGN TCG_TO_UID(0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x06, 0x0F)
#define TCG_UID_METHOD_VERIFY TCG_TO_UID(0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x06, 0x10)
#define TCG_UID_METHOD_XOR TCG_TO_UID(0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x06, 0x11)
#define TCG_UID_METHOD_ADD_LOG TCG_TO_UID(0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x0A, 0x01)
#define TCG_UID_METHOD_CREATE_LOG TCG_TO_UID(0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x0A, 0x02)
#define TCG_UID_METHOD_CLEAR_LOG TCG_TO_UID(0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x0A, 0x03)
#define TCG_UID_METHOD_FLUSH_LOG TCG_TO_UID(0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x0A, 0x04)
#endif // TCG_H_