REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3737 Apply uncrustify changes to .c/.h files in the MdePkg package Cc: Andrew Fish <afish@apple.com> Cc: Leif Lindholm <leif@nuviainc.com> Cc: Michael D Kinney <michael.d.kinney@intel.com> Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com> Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
		
			
				
	
	
		
			577 lines
		
	
	
		
			22 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			577 lines
		
	
	
		
			22 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /** @file
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|   EFI Multicast Trivial File Transfer Protocol Definition
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| 
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| Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
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| SPDX-License-Identifier: BSD-2-Clause-Patent
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| 
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|   @par Revision Reference:
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|   This Protocol is introduced in UEFI Specification 2.0
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| 
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| **/
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| 
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| #ifndef __EFI_MTFTP4_PROTOCOL_H__
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| #define __EFI_MTFTP4_PROTOCOL_H__
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| 
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| #define EFI_MTFTP4_SERVICE_BINDING_PROTOCOL_GUID \
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|   { \
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|     0x2FE800BE, 0x8F01, 0x4aa6, {0x94, 0x6B, 0xD7, 0x13, 0x88, 0xE1, 0x83, 0x3F } \
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|   }
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| 
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| #define EFI_MTFTP4_PROTOCOL_GUID \
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|   { \
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|     0x78247c57, 0x63db, 0x4708, {0x99, 0xc2, 0xa8, 0xb4, 0xa9, 0xa6, 0x1f, 0x6b } \
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|   }
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| 
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| typedef struct _EFI_MTFTP4_PROTOCOL  EFI_MTFTP4_PROTOCOL;
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| typedef struct _EFI_MTFTP4_TOKEN     EFI_MTFTP4_TOKEN;
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| 
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| //
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| // MTFTP4 packet opcode definition
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| //
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| #define EFI_MTFTP4_OPCODE_RRQ    1
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| #define EFI_MTFTP4_OPCODE_WRQ    2
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| #define EFI_MTFTP4_OPCODE_DATA   3
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| #define EFI_MTFTP4_OPCODE_ACK    4
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| #define EFI_MTFTP4_OPCODE_ERROR  5
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| #define EFI_MTFTP4_OPCODE_OACK   6
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| #define EFI_MTFTP4_OPCODE_DIR    7
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| #define EFI_MTFTP4_OPCODE_DATA8  8
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| #define EFI_MTFTP4_OPCODE_ACK8   9
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| 
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| //
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| // MTFTP4 error code definition
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| //
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| #define EFI_MTFTP4_ERRORCODE_NOT_DEFINED          0
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| #define EFI_MTFTP4_ERRORCODE_FILE_NOT_FOUND       1
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| #define EFI_MTFTP4_ERRORCODE_ACCESS_VIOLATION     2
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| #define EFI_MTFTP4_ERRORCODE_DISK_FULL            3
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| #define EFI_MTFTP4_ERRORCODE_ILLEGAL_OPERATION    4
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| #define EFI_MTFTP4_ERRORCODE_UNKNOWN_TRANSFER_ID  5
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| #define EFI_MTFTP4_ERRORCODE_FILE_ALREADY_EXISTS  6
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| #define EFI_MTFTP4_ERRORCODE_NO_SUCH_USER         7
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| #define EFI_MTFTP4_ERRORCODE_REQUEST_DENIED       8
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| 
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| //
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| // MTFTP4 pacekt definitions
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| //
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| #pragma pack(1)
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| 
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| typedef struct {
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|   UINT16    OpCode;
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|   UINT8     Filename[1];
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| } EFI_MTFTP4_REQ_HEADER;
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| 
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| typedef struct {
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|   UINT16    OpCode;
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|   UINT8     Data[1];
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| } EFI_MTFTP4_OACK_HEADER;
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| 
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| typedef struct {
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|   UINT16    OpCode;
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|   UINT16    Block;
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|   UINT8     Data[1];
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| } EFI_MTFTP4_DATA_HEADER;
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| 
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| typedef struct {
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|   UINT16    OpCode;
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|   UINT16    Block[1];
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| } EFI_MTFTP4_ACK_HEADER;
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| 
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| typedef struct {
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|   UINT16    OpCode;
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|   UINT64    Block;
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|   UINT8     Data[1];
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| } EFI_MTFTP4_DATA8_HEADER;
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| 
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| typedef struct {
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|   UINT16    OpCode;
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|   UINT64    Block[1];
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| } EFI_MTFTP4_ACK8_HEADER;
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| 
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| typedef struct {
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|   UINT16    OpCode;
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|   UINT16    ErrorCode;
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|   UINT8     ErrorMessage[1];
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| } EFI_MTFTP4_ERROR_HEADER;
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| 
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| typedef union {
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|   ///
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|   /// Type of packets as defined by the MTFTPv4 packet opcodes.
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|   ///
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|   UINT16                     OpCode;
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|   ///
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|   /// Read request packet header.
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|   ///
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|   EFI_MTFTP4_REQ_HEADER      Rrq;
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|   ///
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|   /// Write request packet header.
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|   ///
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|   EFI_MTFTP4_REQ_HEADER      Wrq;
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|   ///
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|   /// Option acknowledge packet header.
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|   ///
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|   EFI_MTFTP4_OACK_HEADER     Oack;
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|   ///
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|   /// Data packet header.
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|   ///
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|   EFI_MTFTP4_DATA_HEADER     Data;
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|   ///
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|   /// Acknowledgement packet header.
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|   ///
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|   EFI_MTFTP4_ACK_HEADER      Ack;
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|   ///
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|   /// Data packet header with big block number.
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|   ///
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|   EFI_MTFTP4_DATA8_HEADER    Data8;
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|   ///
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|   /// Acknowledgement header with big block num.
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|   ///
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|   EFI_MTFTP4_ACK8_HEADER     Ack8;
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|   ///
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|   /// Error packet header.
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|   ///
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|   EFI_MTFTP4_ERROR_HEADER    Error;
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| } EFI_MTFTP4_PACKET;
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| 
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| #pragma pack()
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| 
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| ///
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| /// MTFTP4 option definition.
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| ///
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| typedef struct {
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|   UINT8    *OptionStr;
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|   UINT8    *ValueStr;
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| } EFI_MTFTP4_OPTION;
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| 
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| typedef struct {
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|   BOOLEAN             UseDefaultSetting;
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|   EFI_IPv4_ADDRESS    StationIp;
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|   EFI_IPv4_ADDRESS    SubnetMask;
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|   UINT16              LocalPort;
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|   EFI_IPv4_ADDRESS    GatewayIp;
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|   EFI_IPv4_ADDRESS    ServerIp;
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|   UINT16              InitialServerPort;
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|   UINT16              TryCount;
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|   UINT16              TimeoutValue;
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| } EFI_MTFTP4_CONFIG_DATA;
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| 
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| typedef struct {
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|   EFI_MTFTP4_CONFIG_DATA    ConfigData;
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|   UINT8                     SupportedOptionCount;
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|   UINT8                     **SupportedOptoins;
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|   UINT8                     UnsupportedOptionCount;
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|   UINT8                     **UnsupportedOptoins;
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| } EFI_MTFTP4_MODE_DATA;
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| 
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| typedef struct {
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|   EFI_IPv4_ADDRESS    GatewayIp;
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|   EFI_IPv4_ADDRESS    ServerIp;
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|   UINT16              ServerPort;
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|   UINT16              TryCount;
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|   UINT16              TimeoutValue;
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| } EFI_MTFTP4_OVERRIDE_DATA;
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| 
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| //
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| // Protocol interfaces definition
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| //
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| 
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| /**
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|   A callback function that is provided by the caller to intercept
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|   the EFI_MTFTP4_OPCODE_DATA or EFI_MTFTP4_OPCODE_DATA8 packets processed in the
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|   EFI_MTFTP4_PROTOCOL.ReadFile() function, and alternatively to intercept
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|   EFI_MTFTP4_OPCODE_OACK or EFI_MTFTP4_OPCODE_ERROR packets during a call to
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|   EFI_MTFTP4_PROTOCOL.ReadFile(), WriteFile() or ReadDirectory().
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| 
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|   @param  This        The pointer to the EFI_MTFTP4_PROTOCOL instance.
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|   @param  Token       The token that the caller provided in the
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|                       EFI_MTFTP4_PROTOCOL.ReadFile(), WriteFile()
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|                       or ReadDirectory() function.
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|   @param  PacketLen   Indicates the length of the packet.
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|   @param  Packet      The pointer to an MTFTPv4 packet.
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| 
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|   @retval EFI_SUCCESS The operation was successful.
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|   @retval Others      Aborts the transfer process.
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| 
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| **/
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| typedef
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| EFI_STATUS
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| (EFIAPI *EFI_MTFTP4_CHECK_PACKET)(
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|   IN EFI_MTFTP4_PROTOCOL  *This,
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|   IN EFI_MTFTP4_TOKEN     *Token,
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|   IN UINT16               PacketLen,
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|   IN EFI_MTFTP4_PACKET    *Paket
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|   );
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| 
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| /**
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|   Timeout callback function.
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| 
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|   @param  This           The pointer to the EFI_MTFTP4_PROTOCOL instance.
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|   @param  Token          The token that is provided in the
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|                          EFI_MTFTP4_PROTOCOL.ReadFile() or
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|                          EFI_MTFTP4_PROTOCOL.WriteFile() or
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|                          EFI_MTFTP4_PROTOCOL.ReadDirectory() functions
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|                          by the caller.
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| 
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|   @retval EFI_SUCCESS   The operation was successful.
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|   @retval Others        Aborts download process.
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| 
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| **/
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| typedef
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| EFI_STATUS
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| (EFIAPI *EFI_MTFTP4_TIMEOUT_CALLBACK)(
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|   IN EFI_MTFTP4_PROTOCOL  *This,
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|   IN EFI_MTFTP4_TOKEN     *Token
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|   );
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| 
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| /**
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|   A callback function that the caller provides to feed data to the
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|   EFI_MTFTP4_PROTOCOL.WriteFile() function.
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| 
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|   @param  This   The pointer to the EFI_MTFTP4_PROTOCOL instance.
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|   @param  Token  The token provided in the
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|                  EFI_MTFTP4_PROTOCOL.WriteFile() by the caller.
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|   @param  Length Indicates the length of the raw data wanted on input, and the
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|                  length the data available on output.
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|   @param  Buffer The pointer to the buffer where the data is stored.
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| 
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|   @retval EFI_SUCCESS The operation was successful.
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|   @retval Others      Aborts session.
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| 
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| **/
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| typedef
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| EFI_STATUS
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| (EFIAPI *EFI_MTFTP4_PACKET_NEEDED)(
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|   IN  EFI_MTFTP4_PROTOCOL *This,
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|   IN  EFI_MTFTP4_TOKEN    *Token,
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|   IN  OUT UINT16          *Length,
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|   OUT VOID                **Buffer
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|   );
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| 
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| /**
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|   Submits an asynchronous interrupt transfer to an interrupt endpoint of a USB device.
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| 
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|   @param  This     The pointer to the EFI_MTFTP4_PROTOCOL instance.
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|   @param  ModeData The pointer to storage for the EFI MTFTPv4 Protocol driver mode data.
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| 
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|   @retval EFI_SUCCESS           The configuration data was successfully returned.
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|   @retval EFI_OUT_OF_RESOURCES  The required mode data could not be allocated.
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|   @retval EFI_INVALID_PARAMETER This is NULL or ModeData is NULL.
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| 
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| **/
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| typedef
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| EFI_STATUS
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| (EFIAPI *EFI_MTFTP4_GET_MODE_DATA)(
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|   IN  EFI_MTFTP4_PROTOCOL     *This,
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|   OUT EFI_MTFTP4_MODE_DATA    *ModeData
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|   );
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| 
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| /**
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|   Initializes, changes, or resets the default operational setting for this
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|   EFI MTFTPv4 Protocol driver instance.
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| 
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|   @param  This            The pointer to the EFI_MTFTP4_PROTOCOL instance.
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|   @param  MtftpConfigData The pointer to the configuration data structure.
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| 
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|   @retval EFI_SUCCESS           The EFI MTFTPv4 Protocol driver was configured successfully.
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|   @retval EFI_INVALID_PARAMETER One or more parameters are invalid.
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|   @retval EFI_ACCESS_DENIED     The EFI configuration could not be changed at this time because
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|                                 there is one MTFTP background operation in progress.
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|   @retval EFI_NO_MAPPING        When using a default address, configuration (DHCP, BOOTP,
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|                                 RARP, etc.) has not finished yet.
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|   @retval EFI_UNSUPPORTED       A configuration protocol (DHCP, BOOTP, RARP, etc.) could not
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|                                 be located when clients choose to use the default address
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|                                 settings.
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|   @retval EFI_OUT_OF_RESOURCES  The EFI MTFTPv4 Protocol driver instance data could not be
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|                                 allocated.
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|   @retval EFI_DEVICE_ERROR      An unexpected system or network error occurred. The EFI
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|                                  MTFTPv4 Protocol driver instance is not configured.
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| 
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| **/
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| typedef
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| EFI_STATUS
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| (EFIAPI *EFI_MTFTP4_CONFIGURE)(
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|   IN EFI_MTFTP4_PROTOCOL       *This,
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|   IN EFI_MTFTP4_CONFIG_DATA    *MtftpConfigData OPTIONAL
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|   );
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| 
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| /**
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|   Gets information about a file from an MTFTPv4 server.
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| 
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|   @param  This         The pointer to the EFI_MTFTP4_PROTOCOL instance.
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|   @param  OverrideData Data that is used to override the existing parameters. If NULL,
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|                        the default parameters that were set in the
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|                        EFI_MTFTP4_PROTOCOL.Configure() function are used.
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|   @param  Filename     The pointer to null-terminated ASCII file name string.
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|   @param  ModeStr      The pointer to null-terminated ASCII mode string. If NULL, "octet" will be used.
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|   @param  OptionCount  Number of option/value string pairs in OptionList.
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|   @param  OptionList   The pointer to array of option/value string pairs. Ignored if
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|                        OptionCount is zero.
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|   @param  PacketLength The number of bytes in the returned packet.
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|   @param  Packet       The pointer to the received packet. This buffer must be freed by
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|                        the caller.
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| 
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|   @retval EFI_SUCCESS              An MTFTPv4 OACK packet was received and is in the Packet.
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|   @retval EFI_INVALID_PARAMETER    One or more of the following conditions is TRUE:
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|                                    - This is NULL.
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|                                    - Filename is NULL.
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|                                    - OptionCount is not zero and OptionList is NULL.
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|                                    - One or more options in OptionList have wrong format.
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|                                    - PacketLength is NULL.
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|                                    - One or more IPv4 addresses in OverrideData are not valid
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|                                      unicast IPv4 addresses if OverrideData is not NULL.
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|   @retval EFI_UNSUPPORTED          One or more options in the OptionList are in the
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|                                    unsupported list of structure EFI_MTFTP4_MODE_DATA.
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|   @retval EFI_NOT_STARTED          The EFI MTFTPv4 Protocol driver has not been started.
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|   @retval EFI_NO_MAPPING           When using a default address, configuration (DHCP, BOOTP,
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|                                    RARP, etc.) has not finished yet.
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|   @retval EFI_ACCESS_DENIED        The previous operation has not completed yet.
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|   @retval EFI_OUT_OF_RESOURCES     Required system resources could not be allocated.
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|   @retval EFI_TFTP_ERROR           An MTFTPv4 ERROR packet was received and is in the Packet.
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|   @retval EFI_NETWORK_UNREACHABLE  An ICMP network unreachable error packet was received and the Packet is set to NULL.
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|   @retval EFI_HOST_UNREACHABLE     An ICMP host unreachable error packet was received and the Packet is set to NULL.
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|   @retval EFI_PROTOCOL_UNREACHABLE An ICMP protocol unreachable error packet was received and the Packet is set to NULL.
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|   @retval EFI_PORT_UNREACHABLE     An ICMP port unreachable error packet was received and the Packet is set to NULL.
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|   @retval EFI_ICMP_ERROR           Some other ICMP ERROR packet was received and is in the Buffer.
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|   @retval EFI_PROTOCOL_ERROR       An unexpected MTFTPv4 packet was received and is in the Packet.
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|   @retval EFI_TIMEOUT              No responses were received from the MTFTPv4 server.
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|   @retval EFI_DEVICE_ERROR         An unexpected network error or system error occurred.
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|   @retval EFI_NO_MEDIA             There was a media error.
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| 
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| **/
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| typedef
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| EFI_STATUS
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| (EFIAPI *EFI_MTFTP4_GET_INFO)(
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|   IN  EFI_MTFTP4_PROTOCOL      *This,
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|   IN  EFI_MTFTP4_OVERRIDE_DATA *OverrideData   OPTIONAL,
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|   IN  UINT8                    *Filename,
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|   IN  UINT8                    *ModeStr        OPTIONAL,
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|   IN  UINT8                    OptionCount,
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|   IN  EFI_MTFTP4_OPTION        *OptionList,
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|   OUT UINT32                   *PacketLength,
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|   OUT EFI_MTFTP4_PACKET        **Packet        OPTIONAL
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|   );
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| 
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| /**
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|   Parses the options in an MTFTPv4 OACK packet.
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| 
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|   @param  This         The pointer to the EFI_MTFTP4_PROTOCOL instance.
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|   @param  PacketLen    Length of the OACK packet to be parsed.
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|   @param  Packet       The pointer to the OACK packet to be parsed.
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|   @param  OptionCount  The pointer to the number of options in following OptionList.
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|   @param  OptionList   The pointer to EFI_MTFTP4_OPTION storage. Call the EFI Boot
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|                        Service FreePool() to release the OptionList if the options
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|                        in this OptionList are not needed any more.
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| 
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|   @retval EFI_SUCCESS           The OACK packet was valid and the OptionCount and
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|                                 OptionList parameters have been updated.
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|   @retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:
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|                                 - PacketLen is 0.
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|                                 - Packet is NULL or Packet is not a valid MTFTPv4 packet.
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|                                 - OptionCount is NULL.
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|   @retval EFI_NOT_FOUND         No options were found in the OACK packet.
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|   @retval EFI_OUT_OF_RESOURCES  Storage for the OptionList array cannot be allocated.
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|   @retval EFI_PROTOCOL_ERROR    One or more of the option fields is invalid.
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| 
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| **/
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| typedef
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| EFI_STATUS
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| (EFIAPI *EFI_MTFTP4_PARSE_OPTIONS)(
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|   IN  EFI_MTFTP4_PROTOCOL      *This,
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|   IN  UINT32                   PacketLen,
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|   IN  EFI_MTFTP4_PACKET        *Packet,
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|   OUT UINT32                   *OptionCount,
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|   OUT EFI_MTFTP4_OPTION        **OptionList OPTIONAL
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|   );
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| 
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| /**
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|   Downloads a file from an MTFTPv4 server.
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| 
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|   @param  This  The pointer to the EFI_MTFTP4_PROTOCOL instance.
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|   @param  Token The pointer to the token structure to provide the parameters that are
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|                 used in this operation.
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| 
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|   @retval EFI_SUCCESS              The data file has been transferred successfully.
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|   @retval EFI_OUT_OF_RESOURCES     Required system resources could not be allocated.
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|   @retval EFI_BUFFER_TOO_SMALL     BufferSize is not zero but not large enough to hold the
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|                                    downloaded data in downloading process.
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|   @retval EFI_ABORTED              Current operation is aborted by user.
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|   @retval EFI_NETWORK_UNREACHABLE  An ICMP network unreachable error packet was received.
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|   @retval EFI_HOST_UNREACHABLE     An ICMP host unreachable error packet was received.
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|   @retval EFI_PROTOCOL_UNREACHABLE An ICMP protocol unreachable error packet was received.
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|   @retval EFI_PORT_UNREACHABLE     An ICMP port unreachable error packet was received.
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|   @retval EFI_ICMP_ERROR           Some other  ICMP ERROR packet was received.
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|   @retval EFI_TIMEOUT              No responses were received from the MTFTPv4 server.
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|   @retval EFI_TFTP_ERROR           An MTFTPv4 ERROR packet was received.
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|   @retval EFI_DEVICE_ERROR         An unexpected network error or system error occurred.
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|   @retval EFI_NO_MEDIA             There was a media error.
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| 
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| **/
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| typedef
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| EFI_STATUS
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| (EFIAPI *EFI_MTFTP4_READ_FILE)(
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|   IN EFI_MTFTP4_PROTOCOL       *This,
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|   IN EFI_MTFTP4_TOKEN          *Token
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|   );
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| 
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| /**
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|   Sends a file to an MTFTPv4 server.
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| 
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|   @param  This  The pointer to the EFI_MTFTP4_PROTOCOL instance.
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|   @param  Token The pointer to the token structure to provide the parameters that are
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|                 used in this operation.
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| 
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|   @retval EFI_SUCCESS           The upload session has started.
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|   @retval EFI_UNSUPPORTED       The operation is not supported by this implementation.
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|   @retval EFI_INVALID_PARAMETER One or more parameters are invalid.
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|   @retval EFI_UNSUPPORTED       One or more options in the Token.OptionList are in
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|                                 the unsupported list of structure EFI_MTFTP4_MODE_DATA.
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|   @retval EFI_NOT_STARTED       The EFI MTFTPv4 Protocol driver has not been started.
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|   @retval EFI_NO_MAPPING        When using a default address, configuration (DHCP, BOOTP,
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|                                 RARP, etc.) is not finished yet.
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|   @retval EFI_ALREADY_STARTED   This Token is already being used in another MTFTPv4 session.
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|   @retval EFI_OUT_OF_RESOURCES  Required system resources could not be allocated.
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|   @retval EFI_ACCESS_DENIED     The previous operation has not completed yet.
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|   @retval EFI_DEVICE_ERROR      An unexpected network error or system error occurred.
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| 
 | |
| **/
 | |
| typedef
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| EFI_STATUS
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| (EFIAPI *EFI_MTFTP4_WRITE_FILE)(
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|   IN EFI_MTFTP4_PROTOCOL       *This,
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|   IN EFI_MTFTP4_TOKEN          *Token
 | |
|   );
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| 
 | |
| /**
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|   Downloads a data file "directory" from an MTFTPv4 server. May be unsupported in some EFI
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|   implementations.
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| 
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|   @param  This  The pointer to the EFI_MTFTP4_PROTOCOL instance.
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|   @param  Token The pointer to the token structure to provide the parameters that are
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|                 used in this operation.
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| 
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|   @retval EFI_SUCCESS           The MTFTPv4 related file "directory" has been downloaded.
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|   @retval EFI_UNSUPPORTED       The operation is not supported by this implementation.
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|   @retval EFI_INVALID_PARAMETER One or more parameters are invalid.
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|   @retval EFI_UNSUPPORTED       One or more options in the Token.OptionList are in
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|                                 the unsupported list of structure EFI_MTFTP4_MODE_DATA.
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|   @retval EFI_NOT_STARTED       The EFI MTFTPv4 Protocol driver has not been started.
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|   @retval EFI_NO_MAPPING        When using a default address, configuration (DHCP, BOOTP,
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|                                 RARP, etc.) is not finished yet.
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|   @retval EFI_ALREADY_STARTED   This Token is already being used in another MTFTPv4 session.
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|   @retval EFI_OUT_OF_RESOURCES  Required system resources could not be allocated.
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|   @retval EFI_ACCESS_DENIED     The previous operation has not completed yet.
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|   @retval EFI_DEVICE_ERROR      An unexpected network error or system error occurred.
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| 
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| **/
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| typedef
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| EFI_STATUS
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| (EFIAPI *EFI_MTFTP4_READ_DIRECTORY)(
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|   IN EFI_MTFTP4_PROTOCOL       *This,
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|   IN EFI_MTFTP4_TOKEN          *Token
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|   );
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| 
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| /**
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|   Polls for incoming data packets and processes outgoing data packets.
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| 
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|   @param  This The pointer to the EFI_MTFTP4_PROTOCOL instance.
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| 
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|   @retval  EFI_SUCCESS           Incoming or outgoing data was processed.
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|   @retval  EFI_NOT_STARTED       This EFI MTFTPv4 Protocol instance has not been started.
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|   @retval  EFI_NO_MAPPING        When using a default address, configuration (DHCP, BOOTP,
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|                                  RARP, etc.) is not finished yet.
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|   @retval  EFI_INVALID_PARAMETER This is NULL.
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|   @retval  EFI_DEVICE_ERROR      An unexpected system or network error occurred.
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|   @retval  EFI_TIMEOUT           Data was dropped out of the transmit and/or receive queue.
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|                                  Consider increasing the polling rate.
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| 
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| **/
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| typedef
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| EFI_STATUS
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| (EFIAPI *EFI_MTFTP4_POLL)(
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|   IN EFI_MTFTP4_PROTOCOL       *This
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|   );
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| 
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| ///
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| /// The EFI_MTFTP4_PROTOCOL is designed to be used by UEFI drivers and applications
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| /// to transmit and receive data files. The EFI MTFTPv4 Protocol driver uses
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| /// the underlying EFI UDPv4 Protocol driver and EFI IPv4 Protocol driver.
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| ///
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| struct _EFI_MTFTP4_PROTOCOL {
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|   EFI_MTFTP4_GET_MODE_DATA     GetModeData;
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|   EFI_MTFTP4_CONFIGURE         Configure;
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|   EFI_MTFTP4_GET_INFO          GetInfo;
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|   EFI_MTFTP4_PARSE_OPTIONS     ParseOptions;
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|   EFI_MTFTP4_READ_FILE         ReadFile;
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|   EFI_MTFTP4_WRITE_FILE        WriteFile;
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|   EFI_MTFTP4_READ_DIRECTORY    ReadDirectory;
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|   EFI_MTFTP4_POLL              Poll;
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| };
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| 
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| struct _EFI_MTFTP4_TOKEN {
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|   ///
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|   /// The status that is returned to the caller at the end of the operation
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|   /// to indicate whether this operation completed successfully.
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|   ///
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|   EFI_STATUS                     Status;
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|   ///
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|   /// The event that will be signaled when the operation completes. If
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|   /// set to NULL, the corresponding function will wait until the read or
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|   /// write operation finishes. The type of Event must be
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|   /// EVT_NOTIFY_SIGNAL. The Task Priority Level (TPL) of
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|   /// Event must be lower than or equal to TPL_CALLBACK.
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|   ///
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|   EFI_EVENT                      Event;
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|   ///
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|   /// If not NULL, the data that will be used to override the existing configure data.
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|   ///
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|   EFI_MTFTP4_OVERRIDE_DATA       *OverrideData;
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|   ///
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|   /// The pointer to the null-terminated ASCII file name string.
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|   ///
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|   UINT8                          *Filename;
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|   ///
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|   /// The pointer to the null-terminated ASCII mode string. If NULL, "octet" is used.
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|   ///
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|   UINT8                          *ModeStr;
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|   ///
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|   /// Number of option/value string pairs.
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|   ///
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|   UINT32                         OptionCount;
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|   ///
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|   /// The pointer to an array of option/value string pairs. Ignored if OptionCount is zero.
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|   ///
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|   EFI_MTFTP4_OPTION              *OptionList;
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|   ///
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|   /// The size of the data buffer.
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|   ///
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|   UINT64                         BufferSize;
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|   ///
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|   /// The pointer to the data buffer. Data that is downloaded from the
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|   /// MTFTPv4 server is stored here. Data that is uploaded to the
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|   /// MTFTPv4 server is read from here. Ignored if BufferSize is zero.
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|   ///
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|   VOID                           *Buffer;
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|   ///
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|   /// The pointer to the context that will be used by CheckPacket,
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|   /// TimeoutCallback and PacketNeeded.
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|   ///
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|   VOID                           *Context;
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|   ///
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|   /// The pointer to the callback function to check the contents of the received packet.
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|   ///
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|   EFI_MTFTP4_CHECK_PACKET        CheckPacket;
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|   ///
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|   /// The pointer to the function to be called when a timeout occurs.
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|   ///
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|   EFI_MTFTP4_TIMEOUT_CALLBACK    TimeoutCallback;
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|   ///
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|   /// The pointer to the function to provide the needed packet contents.
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|   ///
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|   EFI_MTFTP4_PACKET_NEEDED       PacketNeeded;
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| };
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| 
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| extern EFI_GUID  gEfiMtftp4ServiceBindingProtocolGuid;
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| extern EFI_GUID  gEfiMtftp4ProtocolGuid;
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| 
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| #endif
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