MdePkg/Include/Protocol/Ftp4.h

   1 /** @file
   2   EFI FTPv4 (File Transfer Protocol version 4) Protocol Definition
   3   The EFI FTPv4 Protocol is used to locate communication devices that are
   4   supported by an EFI FTPv4 Protocol driver and to create and destroy instances
   5   of the EFI FTPv4 Protocol child protocol driver that can use the underlying
   6   communication device.
   7   The definitions in this file are defined in UEFI Specification 2.3, which have
   8   not been verified by one implementation yet.
   9
  10   Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>
  11   SPDX-License-Identifier: BSD-2-Clause-Patent
  12
  13   @par Revision Reference:
  14   This Protocol is introduced in UEFI Specification 2.2
  15
  16 **/
  17
  18 #ifndef __EFI_FTP4_PROTOCOL_H__
  19 #define __EFI_FTP4_PROTOCOL_H__
  20
  21
  22 #define EFI_FTP4_SERVICE_BINDING_PROTOCOL_GUID \
  23   { \
  24     0xfaaecb1, 0x226e, 0x4782, {0xaa, 0xce, 0x7d, 0xb9, 0xbc, 0xbf, 0x4d, 0xaf } \
  25   }
  26
  27 #define EFI_FTP4_PROTOCOL_GUID \
  28   { \
  29     0xeb338826, 0x681b, 0x4295, {0xb3, 0x56, 0x2b, 0x36, 0x4c, 0x75, 0x7b, 0x9 } \
  30   }
  31
  32 typedef struct _EFI_FTP4_PROTOCOL EFI_FTP4_PROTOCOL;
  33
  34 ///
  35 /// EFI_FTP4_CONNECTION_TOKEN
  36 ///
  37 typedef struct {
  38   ///
  39   /// The Event to signal after the connection is established and Status field is updated
  40   /// by the EFI FTP v4 Protocol driver. The type of Event must be
  41   /// EVENT_NOTIFY_SIGNAL, and its Task Priority Level (TPL) must be lower than or
  42   /// equal to TPL_CALLBACK. If it is set to NULL, this function will not return  until the
  43   /// function completes.
  44   ///
  45   EFI_EVENT                            Event;
  46   ///
  47   /// The variable to receive the result of the completed operation.
  48   /// EFI_SUCCESS:              The FTP connection is established successfully
  49   /// EFI_ACCESS_DENIED:        The FTP server denied the access the user's request to access it.
  50   /// EFI_CONNECTION_RESET:     The connect fails because the connection is reset either by instance
  51   ///                           itself or communication peer.
  52   /// EFI_TIMEOUT:              The connection establishment timer expired and no more specific
  53   ///                           information is available.
  54   /// EFI_NETWORK_UNREACHABLE:  The active open fails because an ICMP network unreachable error is
  55   ///                           received.
  56   /// EFI_HOST_UNREACHABLE:     The active open fails because an ICMP host unreachable error is
  57   ///                           received.
  58   /// EFI_PROTOCOL_UNREACHABLE: The active open fails because an ICMP protocol unreachable error is
  59   ///                           received.
  60   /// EFI_PORT_UNREACHABLE:     The connection establishment timer times out and an ICMP port
  61   ///                           unreachable error is received.
  62   /// EFI_ICMP_ERROR:           The connection establishment timer timeout and some other ICMP
  63   ///                           error is received.
  64   /// EFI_DEVICE_ERROR:         An unexpected system or network error occurred.
  65   ///
  66   EFI_STATUS                           Status;
  67 } EFI_FTP4_CONNECTION_TOKEN;
  68
  69 ///
  70 /// EFI_FTP4_CONFIG_DATA
  71 ///
  72 typedef struct {
  73   ///
  74   /// Pointer to a ASCII string that contains user name. The caller is
  75   /// responsible for freeing Username after GetModeData() is called.
  76   ///
  77   UINT8                                *Username;
  78   ///
  79   /// Pointer to a ASCII string that contains password. The caller is
  80   /// responsible for freeing Password after GetModeData() is called.
  81   ///
  82   UINT8                                *Password;
  83   ///
  84   /// Set it to TRUE to initiate an active data connection. Set it to
  85   /// FALSE to initiate a passive data connection.
  86   ///
  87   BOOLEAN                              Active;
  88   ///
  89   /// Boolean value indicating if default network settting used.
  90   ///
  91   BOOLEAN                              UseDefaultSetting;
  92   ///
  93   /// IP address of station if UseDefaultSetting is FALSE.
  94   ///
  95   EFI_IPv4_ADDRESS                     StationIp;
  96   ///
  97   /// Subnet mask of station if UseDefaultSetting is FALSE.
  98   ///
  99   EFI_IPv4_ADDRESS                     SubnetMask;
 100   ///
 101   /// IP address of gateway if UseDefaultSetting is FALSE.
 102   ///
 103   EFI_IPv4_ADDRESS                     GatewayIp;
 104   ///
 105   /// IP address of FTPv4 server.
 106   ///
 107   EFI_IPv4_ADDRESS                     ServerIp;
 108   ///
 109   /// FTPv4 server port number of control connection, and the default
 110   /// value is 21 as convention.
 111   ///
 112   UINT16                               ServerPort;
 113   ///
 114   /// FTPv4 server port number of data connection. If it is zero, use
 115   /// (ServerPort - 1) by convention.
 116   ///
 117   UINT16                               AltDataPort;
 118   ///
 119   /// A byte indicate the representation type. The right 4 bit is used for
 120   /// first parameter, the left 4 bit is use for second parameter
 121   /// - For the first parameter, 0x0 = image, 0x1 = EBCDIC, 0x2 = ASCII, 0x3 = local
 122   /// - For the second parameter, 0x0 = Non-print, 0x1 = Telnet format effectors, 0x2 =
 123   ///   Carriage Control.
 124   /// - If it is a local type, the second parameter is the local byte byte size.
 125   /// - If it is a image type, the second parameter is undefined.
 126   ///
 127   UINT8                                RepType;
 128   ///
 129   /// Defines the file structure in FTP used. 0x00 = file, 0x01 = record, 0x02 = page.
 130   ///
 131   UINT8                                FileStruct;
 132   ///
 133   /// Defines the transifer mode used in FTP. 0x00 = stream, 0x01 = Block, 0x02 = Compressed.
 134   ///
 135   UINT8                                TransMode;
 136 } EFI_FTP4_CONFIG_DATA;
 137
 138 typedef struct _EFI_FTP4_COMMAND_TOKEN EFI_FTP4_COMMAND_TOKEN;
 139
 140 /**
 141   Callback function when process inbound or outbound data.
 142
 143   If it is receiving function that leads to inbound data, the callback function
 144   is called when data buffer is full. Then, old data in the data buffer should be
 145   flushed and new data is stored from the beginning of data buffer.
 146   If it is a transmit function that lead to outbound data and the size of
 147   Data in daata buffer has been transmitted, this callback function is called to
 148   supply additional data to be transmitted.
 149
 150   @param[in] This                Pointer to the EFI_FTP4_PROTOCOL instance.
 151   @param[in] Token               Pointer to the token structure to provide the parameters that
 152                                  are used in this operation.
 153   @return  User defined Status.
 154
 155 **/
 156 typedef
 157 EFI_STATUS
 158 (EFIAPI *EFI_FTP4_DATA_CALLBACK)(
 159   IN EFI_FTP4_PROTOCOL           *This,
 160   IN EFI_FTP4_COMMAND_TOKEN      *Token
 161   );
 162
 163 ///
 164 /// EFI_FTP4_COMMAND_TOKEN
 165 ///
 166 struct _EFI_FTP4_COMMAND_TOKEN {
 167   ///
 168   /// The Event to signal after request is finished and Status field
 169   /// is updated by the EFI FTP v4 Protocol driver. The type of Event
 170   /// must be EVT_NOTIFY_SIGNAL, and its Task Priority Level
 171   /// (TPL) must be lower than or equal to TPL_CALLBACK. If it is
 172   /// set to NULL, related function must wait until the function
 173   /// completes.
 174   ///
 175   EFI_EVENT                             Event;
 176   ///
 177   /// Pointer to a null-terminated ASCII name string.
 178   ///
 179   UINT8                                 *Pathname;
 180   ///
 181   /// The size of data buffer in bytes.
 182   ///
 183   UINT64                                DataBufferSize;
 184   ///
 185   /// Pointer to the data buffer. Data downloaded from FTP server
 186   /// through connection is downloaded here.
 187   ///
 188   VOID                                  *DataBuffer;
 189   ///
 190   /// Pointer to a callback function. If it is receiving function that leads
 191   /// to inbound data, the callback function is called when databuffer is
 192   /// full. Then, old data in the data buffer should be flushed and new
 193   /// data is stored from the beginning of data buffer. If it is a transmit
 194   /// function that lead to outbound data and DataBufferSize of
 195   /// Data in DataBuffer has been transmitted, this callback
 196   /// function is called to supply additional data to be transmitted. The
 197   /// size of additional data to be transmitted is indicated in
 198   /// DataBufferSize, again. If there is no data remained,
 199   /// DataBufferSize should be set to 0.
 200   ///
 201   EFI_FTP4_DATA_CALLBACK                DataCallback;
 202   ///
 203   /// Pointer to the parameter for DataCallback.
 204   ///
 205   VOID                                  *Context;
 206   ///
 207   /// The variable to receive the result of the completed operation.
 208   /// EFI_SUCCESS:              The FTP command is completed successfully.
 209   /// EFI_ACCESS_DENIED:        The FTP server denied the access to the requested file.
 210   /// EFI_CONNECTION_RESET:     The connect fails because the connection is reset either
 211   ///                           by instance itself or communication peer.
 212   /// EFI_TIMEOUT:              The connection establishment timer expired and no more
 213   ///                           specific information is available.
 214   /// EFI_NETWORK_UNREACHABLE:  The active open fails because an ICMP network unreachable
 215   ///                           error is received.
 216   /// EFI_HOST_UNREACHABLE:     The active open fails because an ICMP host unreachable
 217   ///                           error is received.
 218   /// EFI_PROTOCOL_UNREACHABLE: The active open fails because an ICMP protocol unreachable
 219   ///                           error is received.
 220   /// EFI_PORT_UNREACHABLE:     The connection establishment timer times out and an ICMP port
 221   ///                           unreachable error is received.
 222   /// EFI_ICMP_ERROR:           The connection establishment timer timeout and some other ICMP
 223   ///                           error is received.
 224   /// EFI_DEVICE_ERROR:         An unexpected system or network error occurred.
 225   ///
 226   EFI_STATUS                            Status;
 227 };
 228
 229 /**
 230   Gets the current operational settings.
 231
 232   The GetModeData() function reads the current operational settings of this
 233   EFI FTPv4 Protocol driver instance. EFI_FTP4_CONFIG_DATA  is defined in the
 234   EFI_FTP4_PROTOCOL.Configure.
 235
 236   @param[in]  This               Pointer to the EFI_FTP4_PROTOCOL instance.
 237   @param[out] ModeData           Pointer to storage for the EFI FTPv4 Protocol driver
 238                                  mode data. The string buffers for Username and Password
 239                                  in EFI_FTP4_CONFIG_DATA are allocated by the function,
 240                                  and the caller should take the responsibility to free the
 241                                  buffer later.
 242
 243   @retval EFI_SUCCESS            This function is called successfully.
 244   @retval EFI_INVALID_PARAMETER  One or more of the following are TRUE:
 245                                  - This is NULL.
 246                                  - ModeData is NULL.
 247   @retval EFI_NOT_STARTED        The EFI FTPv4 Protocol driver has not been started
 248   @retval EFI_OUT_OF_RESOURCES   Could not allocate enough resource to finish the operation.
 249   @retval EFI_DEVICE_ERROR       An unexpected system or network error occurred.
 250
 251 **/
 252 typedef
 253 EFI_STATUS
 254 (EFIAPI *EFI_FTP4_GET_MODE_DATA)(
 255   IN EFI_FTP4_PROTOCOL        *This,
 256   OUT EFI_FTP4_CONFIG_DATA    *ModeData
 257   );
 258
 259 /**
 260   Disconnecting a FTP connection gracefully.
 261
 262   The Connect() function will initiate a connection request to the remote FTP server
 263   with the corresponding connection token. If this function returns EFI_SUCCESS, the
 264   connection sequence is initiated successfully.  If the connection succeeds or faild
 265   due to any error, the Token->Event will be signaled and Token->Status will be updated
 266   accordingly.
 267
 268   @param[in] This                Pointer to the EFI_FTP4_PROTOCOL instance.
 269   @param[in] Token               Pointer to the token used to establish control connection.
 270
 271   @retval EFI_SUCCESS            The connection sequence is successfully initiated.
 272   @retval EFI_INVALID_PARAMETER  One or more of the following are TRUE:
 273                                  - This is NULL.
 274                                  - Token is NULL.
 275                                  - Token->Event is NULL.
 276   @retval EFI_NOT_STARTED        The EFI FTPv4 Protocol driver has not been started.
 277   @retval EFI_NO_MAPPING         When using a default address, configuration (DHCP, BOOTP,
 278                                  RARP, etc.) is not finished yet.
 279   @retval EFI_OUT_OF_RESOURCES   Could not allocate enough resource to finish the operation.
 280   @retval EFI_DEVICE_ERROR       An unexpected system or network error occurred.
 281
 282 **/
 283 typedef
 284 EFI_STATUS
 285 (EFIAPI *EFI_FTP4_CONNECT)(
 286   IN EFI_FTP4_PROTOCOL           *This,
 287   IN EFI_FTP4_CONNECTION_TOKEN   *Token
 288   );
 289
 290 /**
 291   Disconnecting a FTP connection gracefully.
 292
 293   The Close() function will initiate a close request to the remote FTP server with the
 294   corresponding connection token. If this function returns EFI_SUCCESS, the control
 295   connection with the remote FTP server is closed.
 296
 297   @param[in] This                Pointer to the EFI_FTP4_PROTOCOL instance.
 298   @param[in] Token               Pointer to the token used to close control connection.
 299
 300   @retval EFI_SUCCESS            The close request is successfully initiated.
 301   @retval EFI_INVALID_PARAMETER  One or more of the following are TRUE:
 302                                  - This is NULL.
 303                                  - Token is NULL.
 304                                  - Token->Event is NULL.
 305   @retval EFI_NOT_STARTED        The EFI FTPv4 Protocol driver has not been started.
 306   @retval EFI_NO_MAPPING         When using a default address, configuration (DHCP, BOOTP,
 307                                  RARP, etc.) is not finished yet.
 308   @retval EFI_OUT_OF_RESOURCES   Could not allocate enough resource to finish the operation.
 309   @retval EFI_DEVICE_ERROR       An unexpected system or network error occurred.
 310
 311 **/
 312 typedef
 313 EFI_STATUS
 314 (EFIAPI *EFI_FTP4_CLOSE)(
 315   IN EFI_FTP4_PROTOCOL             *This,
 316   IN EFI_FTP4_CONNECTION_TOKEN     *Token
 317   );
 318
 319 /**
 320   Sets or clears the operational parameters for the FTP child driver.
 321
 322   The Configure() function will configure the connected FTP session with the
 323   configuration setting specified in  FtpConfigData. The configuration data can
 324   be reset by calling Configure() with FtpConfigData set to NULL.
 325
 326   @param[in] This                Pointer to the EFI_FTP4_PROTOCOL instance.
 327   @param[in] FtpConfigData       Pointer to configuration data that will be assigned to
 328                                  the FTP child driver instance. If NULL, the FTP child
 329                                  driver instance is reset to startup defaults and all
 330                                  pending transmit and receive requests are flushed.
 331
 332   @retval EFI_SUCCESS            The FTPv4 driver was configured successfully.
 333   @retval EFI_INVALID_PARAMETER  One or more following conditions are TRUE:
 334                                  - This is NULL.
 335                                  - FtpConfigData.RepType is invalid.
 336                                  - FtpConfigData.FileStruct is invalid.
 337                                  - FtpConfigData.TransMode is invalid.
 338                                  - IP address in FtpConfigData is invalid.
 339   @retval EFI_NO_MAPPING         When using a default address, configuration (DHCP, BOOTP,
 340                                  RARP, etc.) is not finished yet.
 341   @retval EFI_UNSUPPORTED        One or more of the configuration parameters are not supported
 342                                  by this implementation.
 343   @retval EFI_OUT_OF_RESOURCES   The EFI FTPv4 Protocol driver instance data could not be
 344                                  allocated.
 345   @retval EFI_DEVICE_ERROR       An unexpected system or network error occurred. The EFI FTPv4
 346                                  Protocol driver instance is not configured.
 347
 348 **/
 349 typedef
 350 EFI_STATUS
 351 (EFIAPI *EFI_FTP4_CONFIGURE)(
 352   IN EFI_FTP4_PROTOCOL           *This,
 353   IN EFI_FTP4_CONFIG_DATA        *FtpConfigData OPTIONAL
 354   );
 355
 356
 357 /**
 358   Downloads a file from an FTPv4 server.
 359
 360   The ReadFile() function is used to initialize and start an FTPv4 download process
 361   and optionally wait for completion. When the download operation completes, whether
 362   successfully or not, the Token.Status field is updated by the EFI FTPv4 Protocol
 363   driver and then Token.Event is signaled (if it is not NULL).
 364
 365   Data will be downloaded from the FTPv4 server into Token.DataBuffer. If the file size
 366   is larger than Token.DataBufferSize, Token.DataCallback will be called to allow for
 367   processing data and then new data will be placed at the beginning of Token.DataBuffer.
 368
 369   @param[in] This                Pointer to the EFI_FTP4_PROTOCOL instance.
 370   @param[in] Token               Pointer to the token structure to provide the parameters that
 371                                  are used in this operation.
 372
 373   @retval EFI_SUCCESS            The data file is being downloaded successfully.
 374   @retval EFI_INVALID_PARAMETER  One or more of the parameters is not valid.
 375                                  - This is NULL.
 376                                  - Token is NULL.
 377                                  - Token.Pathname is NULL.
 378                                  - Token. DataBuffer is NULL.
 379                                  - Token. DataBufferSize is 0.
 380   @retval EFI_NOT_STARTED        The EFI FTPv4 Protocol driver has not been started.
 381   @retval EFI_NO_MAPPING         When using a default address, configuration (DHCP, BOOTP,
 382                                  RARP, etc.) is not finished yet.
 383   @retval EFI_OUT_OF_RESOURCES   Required system resources could not be allocated.
 384   @retval EFI_DEVICE_ERROR       An unexpected network error or system error occurred.
 385
 386 **/
 387 typedef
 388 EFI_STATUS
 389 (EFIAPI *EFI_FTP4_READ_FILE)(
 390   IN EFI_FTP4_PROTOCOL         *This,
 391   IN EFI_FTP4_COMMAND_TOKEN    *Token
 392   );
 393
 394 /**
 395   Uploads a file from an FTPv4 server.
 396
 397   The WriteFile() function is used to initialize and start an FTPv4 upload process and
 398   optionally wait for completion. When the upload operation completes, whether successfully
 399   or not, the Token.Status field is updated by the EFI FTPv4 Protocol driver and then
 400   Token.Event is signaled (if it is not NULL). Data to be  uploaded to server is stored
 401   into Token.DataBuffer. Token.DataBufferSize is the number bytes to be transferred.
 402   If the file size is larger than Token.DataBufferSize, Token.DataCallback will be called
 403   to allow for processing data and then new data will be placed at the beginning of
 404   Token.DataBuffer. Token.DataBufferSize is updated to reflect the actual number of bytes
 405   to be transferred. Token.DataBufferSize is set to 0 by the call back to indicate the
 406   completion of data transfer.
 407
 408   @param[in] This                Pointer to the EFI_FTP4_PROTOCOL instance.
 409   @param[in] Token               Pointer to the token structure to provide the parameters that
 410                                  are used in this operation.
 411
 412   @retval EFI_SUCCESS            TThe data file is being uploaded successfully.
 413   @retval EFI_UNSUPPORTED        The operation is not supported by this implementation.
 414   @retval EFI_INVALID_PARAMETER  One or more of the parameters is not valid.
 415                                  - This is NULL.
 416                                  - Token is NULL.
 417                                  - Token.Pathname is NULL.
 418                                  - Token. DataBuffer is NULL.
 419                                  - Token. DataBufferSize is 0.
 420   @retval EFI_NOT_STARTED        The EFI FTPv4 Protocol driver has not been started.
 421   @retval EFI_NO_MAPPING         When using a default address, configuration (DHCP, BOOTP,
 422                                  RARP, etc.) is not finished yet.
 423   @retval EFI_OUT_OF_RESOURCES   Required system resources could not be allocated.
 424   @retval EFI_DEVICE_ERROR       An unexpected network error or system error occurred.
 425
 426 **/
 427 typedef
 428 EFI_STATUS
 429 (EFIAPI *EFI_FTP4_WRITE_FILE)(
 430   IN EFI_FTP4_PROTOCOL         *This,
 431   IN EFI_FTP4_COMMAND_TOKEN    *Token
 432   );
 433
 434 /**
 435   Download a data file "directory" from a FTPv4 server. May be unsupported in some EFI
 436   implementations.
 437
 438   The ReadDirectory() function is used to return a list of files on the FTPv4 server that
 439   logically (or operationally) related to Token.Pathname, and optionally wait for completion.
 440   When the download operation completes, whether successfully or not, the Token.Status field
 441   is updated by the EFI FTPv4 Protocol driver and then Token.Event is signaled (if it is not
 442   NULL). Data will be downloaded from the FTPv4 server into Token.DataBuffer. If the file size
 443   is larger than Token.DataBufferSize, Token.DataCallback will be called to allow for processing
 444   data and then new data will be placed at the beginning of Token.DataBuffer.
 445
 446   @param[in] This                Pointer to the EFI_FTP4_PROTOCOL instance.
 447   @param[in] Token               Pointer to the token structure to provide the parameters that
 448                                  are used in this operation.
 449
 450   @retval EFI_SUCCESS            The file list information is being downloaded successfully.
 451   @retval EFI_UNSUPPORTED        The operation is not supported by this implementation.
 452   @retval EFI_INVALID_PARAMETER  One or more of the parameters is not valid.
 453                                  - This is NULL.
 454                                  - Token is NULL.
 455                                  - Token. DataBuffer is NULL.
 456                                  - Token. DataBufferSize is 0.
 457   @retval EFI_NOT_STARTED        The EFI FTPv4 Protocol driver has not been started.
 458   @retval EFI_NO_MAPPING         When using a default address, configuration (DHCP, BOOTP,
 459                                  RARP, etc.) is not finished yet.
 460   @retval EFI_OUT_OF_RESOURCES   Required system resources could not be allocated.
 461   @retval EFI_DEVICE_ERROR       An unexpected network error or system error occurred.
 462
 463 **/
 464 typedef
 465 EFI_STATUS
 466 (EFIAPI *EFI_FTP4_READ_DIRECTORY)(
 467   IN EFI_FTP4_PROTOCOL           *This,
 468   IN EFI_FTP4_COMMAND_TOKEN      *Token
 469   );
 470
 471 /**
 472   Polls for incoming data packets and processes outgoing data packets.
 473
 474   The Poll() function can be used by network drivers and applications to increase the
 475   rate that data packets are moved between the communications device and the transmit
 476   and receive queues. In some systems, the periodic timer event in the managed network
 477   driver may not poll the underlying communications device fast enough to transmit
 478   and/or receive all data packets without missing incoming packets or dropping outgoing
 479   packets. Drivers and applications that are experiencing packet loss should try calling
 480   the Poll() function more often.
 481
 482   @param[in] This                Pointer to the EFI_FTP4_PROTOCOL instance.
 483
 484   @retval EFI_SUCCESS            Incoming or outgoing data was processed.
 485   @retval EFI_NOT_STARTED        This EFI FTPv4 Protocol instance has not been started.
 486   @retval EFI_INVALID_PARAMETER  This is NULL.
 487   @retval EFI_DEVICE_ERROR       EapAuthType An unexpected system or network error occurred.
 488   @retval EFI_TIMEOUT            Data was dropped out of the transmit and/or receive queue.
 489                                  Consider increasing the polling rate.
 490
 491 **/
 492 typedef
 493 EFI_STATUS
 494 (EFIAPI *EFI_FTP4_POLL)(
 495   IN EFI_FTP4_PROTOCOL        *This
 496   );
 497
 498 ///
 499 /// EFI_FTP4_PROTOCOL
 500 /// provides basic services for client-side FTP (File Transfer Protocol)
 501 /// operations.
 502 ///
 503 struct _EFI_FTP4_PROTOCOL {
 504   EFI_FTP4_GET_MODE_DATA     GetModeData;
 505   EFI_FTP4_CONNECT           Connect;
 506   EFI_FTP4_CLOSE             Close;
 507   EFI_FTP4_CONFIGURE         Configure;
 508   EFI_FTP4_READ_FILE         ReadFile;
 509   EFI_FTP4_WRITE_FILE        WriteFile;
 510   EFI_FTP4_READ_DIRECTORY    ReadDirectory;
 511   EFI_FTP4_POLL              Poll;
 512 };
 513
 514 extern EFI_GUID gEfiFtp4ServiceBindingProtocolGuid;
 515 extern EFI_GUID gEfiFtp4ProtocolGuid;
 516
 517 #endif
 518