--- /dev/null
+/** @file
+ EFI Multicast Trivial File Tranfer Protocol Definition
+
+Copyright (c) 2006 - 2011, 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 that 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.
+
+ @par Revision Reference:
+ This Protocol is introduced in UEFI Specification 2.0
+
+**/
+
+#ifndef __EFI_MTFTP4_PROTOCOL_H__
+#define __EFI_MTFTP4_PROTOCOL_H__
+
+FILE_LICENCE ( BSD3 );
+
+#define EFI_MTFTP4_SERVICE_BINDING_PROTOCOL_GUID \
+ { \
+ 0x2FE800BE, 0x8F01, 0x4aa6, {0x94, 0x6B, 0xD7, 0x13, 0x88, 0xE1, 0x83, 0x3F } \
+ }
+
+#define EFI_MTFTP4_PROTOCOL_GUID \
+ { \
+ 0x78247c57, 0x63db, 0x4708, {0x99, 0xc2, 0xa8, 0xb4, 0xa9, 0xa6, 0x1f, 0x6b } \
+ }
+
+typedef struct _EFI_MTFTP4_PROTOCOL EFI_MTFTP4_PROTOCOL;
+typedef struct _EFI_MTFTP4_TOKEN EFI_MTFTP4_TOKEN;
+
+//
+//MTFTP4 packet opcode definition
+//
+#define EFI_MTFTP4_OPCODE_RRQ 1
+#define EFI_MTFTP4_OPCODE_WRQ 2
+#define EFI_MTFTP4_OPCODE_DATA 3
+#define EFI_MTFTP4_OPCODE_ACK 4
+#define EFI_MTFTP4_OPCODE_ERROR 5
+#define EFI_MTFTP4_OPCODE_OACK 6
+#define EFI_MTFTP4_OPCODE_DIR 7
+#define EFI_MTFTP4_OPCODE_DATA8 8
+#define EFI_MTFTP4_OPCODE_ACK8 9
+
+//
+// MTFTP4 error code definition
+//
+#define EFI_MTFTP4_ERRORCODE_NOT_DEFINED 0
+#define EFI_MTFTP4_ERRORCODE_FILE_NOT_FOUND 1
+#define EFI_MTFTP4_ERRORCODE_ACCESS_VIOLATION 2
+#define EFI_MTFTP4_ERRORCODE_DISK_FULL 3
+#define EFI_MTFTP4_ERRORCODE_ILLEGAL_OPERATION 4
+#define EFI_MTFTP4_ERRORCODE_UNKNOWN_TRANSFER_ID 5
+#define EFI_MTFTP4_ERRORCODE_FILE_ALREADY_EXISTS 6
+#define EFI_MTFTP4_ERRORCODE_NO_SUCH_USER 7
+#define EFI_MTFTP4_ERRORCODE_REQUEST_DENIED 8
+
+//
+// MTFTP4 pacekt definitions
+//
+#pragma pack(1)
+
+typedef struct {
+ UINT16 OpCode;
+ UINT8 Filename[1];
+} EFI_MTFTP4_REQ_HEADER;
+
+typedef struct {
+ UINT16 OpCode;
+ UINT8 Data[1];
+} EFI_MTFTP4_OACK_HEADER;
+
+typedef struct {
+ UINT16 OpCode;
+ UINT16 Block;
+ UINT8 Data[1];
+} EFI_MTFTP4_DATA_HEADER;
+
+typedef struct {
+ UINT16 OpCode;
+ UINT16 Block[1];
+} EFI_MTFTP4_ACK_HEADER;
+
+typedef struct {
+ UINT16 OpCode;
+ UINT64 Block;
+ UINT8 Data[1];
+} EFI_MTFTP4_DATA8_HEADER;
+
+typedef struct {
+ UINT16 OpCode;
+ UINT64 Block[1];
+} EFI_MTFTP4_ACK8_HEADER;
+
+typedef struct {
+ UINT16 OpCode;
+ UINT16 ErrorCode;
+ UINT8 ErrorMessage[1];
+} EFI_MTFTP4_ERROR_HEADER;
+
+typedef union {
+ ///
+ /// Type of packets as defined by the MTFTPv4 packet opcodes.
+ ///
+ UINT16 OpCode;
+ ///
+ /// Read request packet header.
+ ///
+ EFI_MTFTP4_REQ_HEADER Rrq;
+ ///
+ /// Write request packet header.
+ ///
+ EFI_MTFTP4_REQ_HEADER Wrq;
+ ///
+ /// Option acknowledge packet header.
+ ///
+ EFI_MTFTP4_OACK_HEADER Oack;
+ ///
+ /// Data packet header.
+ ///
+ EFI_MTFTP4_DATA_HEADER Data;
+ ///
+ /// Acknowledgement packet header.
+ ///
+ EFI_MTFTP4_ACK_HEADER Ack;
+ ///
+ /// Data packet header with big block number.
+ ///
+ EFI_MTFTP4_DATA8_HEADER Data8;
+ ///
+ /// Acknowledgement header with big block num.
+ ///
+ EFI_MTFTP4_ACK8_HEADER Ack8;
+ ///
+ /// Error packet header.
+ ///
+ EFI_MTFTP4_ERROR_HEADER Error;
+} EFI_MTFTP4_PACKET;
+
+#pragma pack()
+
+///
+/// MTFTP4 option definition.
+///
+typedef struct {
+ UINT8 *OptionStr;
+ UINT8 *ValueStr;
+} EFI_MTFTP4_OPTION;
+
+
+typedef struct {
+ BOOLEAN UseDefaultSetting;
+ EFI_IPv4_ADDRESS StationIp;
+ EFI_IPv4_ADDRESS SubnetMask;
+ UINT16 LocalPort;
+ EFI_IPv4_ADDRESS GatewayIp;
+ EFI_IPv4_ADDRESS ServerIp;
+ UINT16 InitialServerPort;
+ UINT16 TryCount;
+ UINT16 TimeoutValue;
+} EFI_MTFTP4_CONFIG_DATA;
+
+
+typedef struct {
+ EFI_MTFTP4_CONFIG_DATA ConfigData;
+ UINT8 SupportedOptionCount;
+ UINT8 **SupportedOptoins;
+ UINT8 UnsupportedOptionCount;
+ UINT8 **UnsupportedOptoins;
+} EFI_MTFTP4_MODE_DATA;
+
+
+typedef struct {
+ EFI_IPv4_ADDRESS GatewayIp;
+ EFI_IPv4_ADDRESS ServerIp;
+ UINT16 ServerPort;
+ UINT16 TryCount;
+ UINT16 TimeoutValue;
+} EFI_MTFTP4_OVERRIDE_DATA;
+
+//
+// Protocol interfaces definition
+//
+
+/**
+ A callback function that is provided by the caller to intercept
+ the EFI_MTFTP4_OPCODE_DATA or EFI_MTFTP4_OPCODE_DATA8 packets processed in the
+ EFI_MTFTP4_PROTOCOL.ReadFile() function, and alternatively to intercept
+ EFI_MTFTP4_OPCODE_OACK or EFI_MTFTP4_OPCODE_ERROR packets during a call to
+ EFI_MTFTP4_PROTOCOL.ReadFile(), WriteFile() or ReadDirectory().
+
+ @param This The pointer to the EFI_MTFTP4_PROTOCOL instance.
+ @param Token The token that the caller provided in the
+ EFI_MTFTP4_PROTOCOL.ReadFile(), WriteFile()
+ or ReadDirectory() function.
+ @param PacketLen Indicates the length of the packet.
+ @param Packet The pointer to an MTFTPv4 packet.
+
+ @retval EFI_SUCCESS The operation was successful.
+ @retval Others Aborts the transfer process.
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EFI_MTFTP4_CHECK_PACKET)(
+ IN EFI_MTFTP4_PROTOCOL *This,
+ IN EFI_MTFTP4_TOKEN *Token,
+ IN UINT16 PacketLen,
+ IN EFI_MTFTP4_PACKET *Paket
+ );
+
+/**
+ Timeout callback funtion.
+
+ @param This The pointer to the EFI_MTFTP4_PROTOCOL instance.
+ @param Token The token that is provided in the
+ EFI_MTFTP4_PROTOCOL.ReadFile() or
+ EFI_MTFTP4_PROTOCOL.WriteFile() or
+ EFI_MTFTP4_PROTOCOL.ReadDirectory() functions
+ by the caller.
+
+ @retval EFI_SUCCESS The operation was successful.
+ @retval Others Aborts download process.
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EFI_MTFTP4_TIMEOUT_CALLBACK)(
+ IN EFI_MTFTP4_PROTOCOL *This,
+ IN EFI_MTFTP4_TOKEN *Token
+ );
+
+/**
+ A callback function that the caller provides to feed data to the
+ EFI_MTFTP4_PROTOCOL.WriteFile() function.
+
+ @param This The pointer to the EFI_MTFTP4_PROTOCOL instance.
+ @param Token The token provided in the
+ EFI_MTFTP4_PROTOCOL.WriteFile() by the caller.
+ @param Length Indicates the length of the raw data wanted on input, and the
+ length the data available on output.
+ @param Buffer The pointer to the buffer where the data is stored.
+
+ @retval EFI_SUCCESS The operation was successful.
+ @retval Others Aborts session.
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EFI_MTFTP4_PACKET_NEEDED)(
+ IN EFI_MTFTP4_PROTOCOL *This,
+ IN EFI_MTFTP4_TOKEN *Token,
+ IN OUT UINT16 *Length,
+ OUT VOID **Buffer
+ );
+
+
+/**
+ Submits an asynchronous interrupt transfer to an interrupt endpoint of a USB device.
+
+ @param This The pointer to the EFI_MTFTP4_PROTOCOL instance.
+ @param ModeData The pointer to storage for the EFI MTFTPv4 Protocol driver mode data.
+
+ @retval EFI_SUCCESS The configuration data was successfully returned.
+ @retval EFI_OUT_OF_RESOURCES The required mode data could not be allocated.
+ @retval EFI_INVALID_PARAMETER This is NULL or ModeData is NULL.
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EFI_MTFTP4_GET_MODE_DATA)(
+ IN EFI_MTFTP4_PROTOCOL *This,
+ OUT EFI_MTFTP4_MODE_DATA *ModeData
+ );
+
+
+/**
+ Initializes, changes, or resets the default operational setting for this
+ EFI MTFTPv4 Protocol driver instance.
+
+ @param This The pointer to the EFI_MTFTP4_PROTOCOL instance.
+ @param MtftpConfigData The pointer to the configuration data structure.
+
+ @retval EFI_SUCCESS The EFI MTFTPv4 Protocol driver was configured successfully.
+ @retval EFI_INVALID_PARAMETER One or more parameters are invalid.
+ @retval EFI_ACCESS_DENIED The EFI configuration could not be changed at this time because
+ there is one MTFTP background operation in progress.
+ @retval EFI_NO_MAPPING When using a default address, configuration (DHCP, BOOTP,
+ RARP, etc.) has not finished yet.
+ @retval EFI_UNSUPPORTED A configuration protocol (DHCP, BOOTP, RARP, etc.) could not
+ be located when clients choose to use the default address
+ settings.
+ @retval EFI_OUT_OF_RESOURCES The EFI MTFTPv4 Protocol driver instance data could not be
+ allocated.
+ @retval EFI_DEVICE_ERROR An unexpected system or network error occurred. The EFI
+ MTFTPv4 Protocol driver instance is not configured.
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EFI_MTFTP4_CONFIGURE)(
+ IN EFI_MTFTP4_PROTOCOL *This,
+ IN EFI_MTFTP4_CONFIG_DATA *MtftpConfigData OPTIONAL
+ );
+
+
+/**
+ Gets information about a file from an MTFTPv4 server.
+
+ @param This The pointer to the EFI_MTFTP4_PROTOCOL instance.
+ @param OverrideData Data that is used to override the existing parameters. If NULL,
+ the default parameters that were set in the
+ EFI_MTFTP4_PROTOCOL.Configure() function are used.
+ @param Filename The pointer to null-terminated ASCII file name string.
+ @param ModeStr The pointer to null-terminated ASCII mode string. If NULL, "octet" will be used.
+ @param OptionCount Number of option/value string pairs in OptionList.
+ @param OptionList The pointer to array of option/value string pairs. Ignored if
+ OptionCount is zero.
+ @param PacketLength The number of bytes in the returned packet.
+ @param Packet The pointer to the received packet. This buffer must be freed by
+ the caller.
+
+ @retval EFI_SUCCESS An MTFTPv4 OACK packet was received and is in the Packet.
+ @retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:
+ - This is NULL.
+ - Filename is NULL.
+ - OptionCount is not zero and OptionList is NULL.
+ - One or more options in OptionList have wrong format.
+ - PacketLength is NULL.
+ - One or more IPv4 addresses in OverrideData are not valid
+ unicast IPv4 addresses if OverrideData is not NULL.
+ @retval EFI_UNSUPPORTED One or more options in the OptionList are in the
+ unsupported list of structure EFI_MTFTP4_MODE_DATA.
+ @retval EFI_NOT_STARTED The EFI MTFTPv4 Protocol driver has not been started.
+ @retval EFI_NO_MAPPING When using a default address, configuration (DHCP, BOOTP,
+ RARP, etc.) has not finished yet.
+ @retval EFI_ACCESS_DENIED The previous operation has not completed yet.
+ @retval EFI_OUT_OF_RESOURCES Required system resources could not be allocated.
+ @retval EFI_TFTP_ERROR An MTFTPv4 ERROR packet was received and is in the Packet.
+ @retval EFI_NETWORK_UNREACHABLE An ICMP network unreachable error packet was received and the Packet is set to NULL.
+ @retval EFI_HOST_UNREACHABLE An ICMP host unreachable error packet was received and the Packet is set to NULL.
+ @retval EFI_PROTOCOL_UNREACHABLE An ICMP protocol unreachable error packet was received and the Packet is set to NULL.
+ @retval EFI_PORT_UNREACHABLE An ICMP port unreachable error packet was received and the Packet is set to NULL.
+ @retval EFI_ICMP_ERROR Some other ICMP ERROR packet was received and is in the Buffer.
+ @retval EFI_PROTOCOL_ERROR An unexpected MTFTPv4 packet was received and is in the Packet.
+ @retval EFI_TIMEOUT No responses were received from the MTFTPv4 server.
+ @retval EFI_DEVICE_ERROR An unexpected network error or system error occurred.
+ @retval EFI_NO_MEDIA There was a media error.
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EFI_MTFTP4_GET_INFO)(
+ IN EFI_MTFTP4_PROTOCOL *This,
+ IN EFI_MTFTP4_OVERRIDE_DATA *OverrideData OPTIONAL,
+ IN UINT8 *Filename,
+ IN UINT8 *ModeStr OPTIONAL,
+ IN UINT8 OptionCount,
+ IN EFI_MTFTP4_OPTION *OptionList,
+ OUT UINT32 *PacketLength,
+ OUT EFI_MTFTP4_PACKET **Packet OPTIONAL
+ );
+
+/**
+ Parses the options in an MTFTPv4 OACK packet.
+
+ @param This The pointer to the EFI_MTFTP4_PROTOCOL instance.
+ @param PacketLen Length of the OACK packet to be parsed.
+ @param Packet The pointer to the OACK packet to be parsed.
+ @param OptionCount The pointer to the number of options in following OptionList.
+ @param OptionList The pointer to EFI_MTFTP4_OPTION storage. Call the EFI Boot
+ Service FreePool() to release the OptionList if the options
+ in this OptionList are not needed any more.
+
+ @retval EFI_SUCCESS The OACK packet was valid and the OptionCount and
+ OptionList parameters have been updated.
+ @retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:
+ - PacketLen is 0.
+ - Packet is NULL or Packet is not a valid MTFTPv4 packet.
+ - OptionCount is NULL.
+ @retval EFI_NOT_FOUND No options were found in the OACK packet.
+ @retval EFI_OUT_OF_RESOURCES Storage for the OptionList array cannot be allocated.
+ @retval EFI_PROTOCOL_ERROR One or more of the option fields is invalid.
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EFI_MTFTP4_PARSE_OPTIONS)(
+ IN EFI_MTFTP4_PROTOCOL *This,
+ IN UINT32 PacketLen,
+ IN EFI_MTFTP4_PACKET *Packet,
+ OUT UINT32 *OptionCount,
+ OUT EFI_MTFTP4_OPTION **OptionList OPTIONAL
+ );
+
+
+/**
+ Downloads a file from an MTFTPv4 server.
+
+ @param This The pointer to the EFI_MTFTP4_PROTOCOL instance.
+ @param Token The pointer to the token structure to provide the parameters that are
+ used in this operation.
+
+ @retval EFI_SUCCESS The data file has been transferred successfully.
+ @retval EFI_OUT_OF_RESOURCES Required system resources could not be allocated.
+ @retval EFI_BUFFER_TOO_SMALL BufferSize is not zero but not large enough to hold the
+ downloaded data in downloading process.
+ @retval EFI_ABORTED Current operation is aborted by user.
+ @retval EFI_NETWORK_UNREACHABLE An ICMP network unreachable error packet was received.
+ @retval EFI_HOST_UNREACHABLE An ICMP host unreachable error packet was received.
+ @retval EFI_PROTOCOL_UNREACHABLE An ICMP protocol unreachable error packet was received.
+ @retval EFI_PORT_UNREACHABLE An ICMP port unreachable error packet was received.
+ @retval EFI_ICMP_ERROR Some other ICMP ERROR packet was received.
+ @retval EFI_TIMEOUT No responses were received from the MTFTPv4 server.
+ @retval EFI_TFTP_ERROR An MTFTPv4 ERROR packet was received.
+ @retval EFI_DEVICE_ERROR An unexpected network error or system error occurred.
+ @retval EFI_NO_MEDIA There was a media error.
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EFI_MTFTP4_READ_FILE)(
+ IN EFI_MTFTP4_PROTOCOL *This,
+ IN EFI_MTFTP4_TOKEN *Token
+ );
+
+
+
+/**
+ Sends a file to an MTFTPv4 server.
+
+ @param This The pointer to the EFI_MTFTP4_PROTOCOL instance.
+ @param Token The pointer to the token structure to provide the parameters that are
+ used in this operation.
+
+ @retval EFI_SUCCESS The upload session has started.
+ @retval EFI_UNSUPPORTED The operation is not supported by this implementation.
+ @retval EFI_INVALID_PARAMETER One or more parameters are invalid.
+ @retval EFI_UNSUPPORTED One or more options in the Token.OptionList are in
+ the unsupported list of structure EFI_MTFTP4_MODE_DATA.
+ @retval EFI_NOT_STARTED The EFI MTFTPv4 Protocol driver has not been started.
+ @retval EFI_NO_MAPPING When using a default address, configuration (DHCP, BOOTP,
+ RARP, etc.) is not finished yet.
+ @retval EFI_ALREADY_STARTED This Token is already being used in another MTFTPv4 session.
+ @retval EFI_OUT_OF_RESOURCES Required system resources could not be allocated.
+ @retval EFI_ACCESS_DENIED The previous operation has not completed yet.
+ @retval EFI_DEVICE_ERROR An unexpected network error or system error occurred.
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EFI_MTFTP4_WRITE_FILE)(
+ IN EFI_MTFTP4_PROTOCOL *This,
+ IN EFI_MTFTP4_TOKEN *Token
+ );
+
+
+/**
+ Downloads a data file "directory" from an MTFTPv4 server. May be unsupported in some EFI
+ implementations.
+
+ @param This The pointer to the EFI_MTFTP4_PROTOCOL instance.
+ @param Token The pointer to the token structure to provide the parameters that are
+ used in this operation.
+
+ @retval EFI_SUCCESS The MTFTPv4 related file "directory" has been downloaded.
+ @retval EFI_UNSUPPORTED The operation is not supported by this implementation.
+ @retval EFI_INVALID_PARAMETER One or more parameters are invalid.
+ @retval EFI_UNSUPPORTED One or more options in the Token.OptionList are in
+ the unsupported list of structure EFI_MTFTP4_MODE_DATA.
+ @retval EFI_NOT_STARTED The EFI MTFTPv4 Protocol driver has not been started.
+ @retval EFI_NO_MAPPING When using a default address, configuration (DHCP, BOOTP,
+ RARP, etc.) is not finished yet.
+ @retval EFI_ALREADY_STARTED This Token is already being used in another MTFTPv4 session.
+ @retval EFI_OUT_OF_RESOURCES Required system resources could not be allocated.
+ @retval EFI_ACCESS_DENIED The previous operation has not completed yet.
+ @retval EFI_DEVICE_ERROR An unexpected network error or system error occurred.
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EFI_MTFTP4_READ_DIRECTORY)(
+ IN EFI_MTFTP4_PROTOCOL *This,
+ IN EFI_MTFTP4_TOKEN *Token
+ );
+
+/**
+ Polls for incoming data packets and processes outgoing data packets.
+
+ @param This The pointer to the EFI_MTFTP4_PROTOCOL instance.
+
+ @retval EFI_SUCCESS Incoming or outgoing data was processed.
+ @retval EFI_NOT_STARTED This EFI MTFTPv4 Protocol instance has not been started.
+ @retval EFI_NO_MAPPING When using a default address, configuration (DHCP, BOOTP,
+ RARP, etc.) is not finished yet.
+ @retval EFI_INVALID_PARAMETER This is NULL.
+ @retval EFI_DEVICE_ERROR An unexpected system or network error occurred.
+ @retval EFI_TIMEOUT Data was dropped out of the transmit and/or receive queue.
+ Consider increasing the polling rate.
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EFI_MTFTP4_POLL)(
+ IN EFI_MTFTP4_PROTOCOL *This
+ );
+
+///
+/// The EFI_MTFTP4_PROTOCOL is designed to be used by UEFI drivers and applications
+/// to transmit and receive data files. The EFI MTFTPv4 Protocol driver uses
+/// the underlying EFI UDPv4 Protocol driver and EFI IPv4 Protocol driver.
+///
+struct _EFI_MTFTP4_PROTOCOL {
+ EFI_MTFTP4_GET_MODE_DATA GetModeData;
+ EFI_MTFTP4_CONFIGURE Configure;
+ EFI_MTFTP4_GET_INFO GetInfo;
+ EFI_MTFTP4_PARSE_OPTIONS ParseOptions;
+ EFI_MTFTP4_READ_FILE ReadFile;
+ EFI_MTFTP4_WRITE_FILE WriteFile;
+ EFI_MTFTP4_READ_DIRECTORY ReadDirectory;
+ EFI_MTFTP4_POLL Poll;
+};
+
+struct _EFI_MTFTP4_TOKEN {
+ ///
+ /// The status that is returned to the caller at the end of the operation
+ /// to indicate whether this operation completed successfully.
+ ///
+ EFI_STATUS Status;
+ ///
+ /// The event that will be signaled when the operation completes. If
+ /// set to NULL, the corresponding function will wait until the read or
+ /// write operation finishes. The type of Event must be
+ /// EVT_NOTIFY_SIGNAL. The Task Priority Level (TPL) of
+ /// Event must be lower than or equal to TPL_CALLBACK.
+ ///
+ EFI_EVENT Event;
+ ///
+ /// If not NULL, the data that will be used to override the existing configure data.
+ ///
+ EFI_MTFTP4_OVERRIDE_DATA *OverrideData;
+ ///
+ /// The pointer to the null-terminated ASCII file name string.
+ ///
+ UINT8 *Filename;
+ ///
+ /// The pointer to the null-terminated ASCII mode string. If NULL, "octet" is used.
+ ///
+ UINT8 *ModeStr;
+ ///
+ /// Number of option/value string pairs.
+ ///
+ UINT32 OptionCount;
+ ///
+ /// The pointer to an array of option/value string pairs. Ignored if OptionCount is zero.
+ ///
+ EFI_MTFTP4_OPTION *OptionList;
+ ///
+ /// The size of the data buffer.
+ ///
+ UINT64 BufferSize;
+ ///
+ /// The pointer to the data buffer. Data that is downloaded from the
+ /// MTFTPv4 server is stored here. Data that is uploaded to the
+ /// MTFTPv4 server is read from here. Ignored if BufferSize is zero.
+ ///
+ VOID *Buffer;
+ ///
+ /// The pointer to the context that will be used by CheckPacket,
+ /// TimeoutCallback and PacketNeeded.
+ ///
+ VOID *Context;
+ ///
+ /// The pointer to the callback function to check the contents of the received packet.
+ ///
+ EFI_MTFTP4_CHECK_PACKET CheckPacket;
+ ///
+ /// The pointer to the function to be called when a timeout occurs.
+ ///
+ EFI_MTFTP4_TIMEOUT_CALLBACK TimeoutCallback;
+ ///
+ /// The pointer to the function to provide the needed packet contents.
+ ///
+ EFI_MTFTP4_PACKET_NEEDED PacketNeeded;
+};
+
+extern EFI_GUID gEfiMtftp4ServiceBindingProtocolGuid;
+extern EFI_GUID gEfiMtftp4ProtocolGuid;
+
+#endif
+
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