| d1f95000 |
1 | /** @file\r |
| 2 | EFI Usb I/O Protocol\r |
| 3 | \r |
| 4 | Copyright (c) 2006, Intel Corporation \r |
| 5 | All rights reserved. This program and the accompanying materials \r |
| 6 | are licensed and made available under the terms and conditions of the BSD License \r |
| 7 | which accompanies this distribution. The full text of the license may be found at \r |
| 8 | http://opensource.org/licenses/bsd-license.php \r |
| 9 | \r |
| 10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r |
| 11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r |
| 12 | \r |
| 13 | Module Name: UsbIo.h\r |
| 14 | \r |
| 15 | **/\r |
| 16 | \r |
| 17 | #ifndef __USB_IO_H__\r |
| 18 | #define __USB_IO_H__\r |
| 19 | \r |
| 20 | #include <IndustryStandard/Usb.h>\r |
| 21 | \r |
| 22 | //\r |
| 23 | // Global ID for the USB I/O Protocol\r |
| 24 | //\r |
| 25 | #define EFI_USB_IO_PROTOCOL_GUID \\r |
| 26 | { \\r |
| 27 | 0x2B2F68D6, 0x0CD2, 0x44cf, {0x8E, 0x8B, 0xBB, 0xA2, 0x0B, 0x1B, 0x5B, 0x75 } \\r |
| 28 | }\r |
| 29 | \r |
| 30 | typedef struct _EFI_USB_IO_PROTOCOL EFI_USB_IO_PROTOCOL;\r |
| 31 | \r |
| 32 | /** \r |
| 33 | Async USB transfer callback routine.\r |
| 34 | \r |
| 35 | @param Data Data received or sent via the USB Asynchronous Transfer, if the\r |
| 36 | transfer completed successfully. \r |
| 37 | @param DataLength The length of Data received or sent via the Asynchronous\r |
| 38 | Transfer, if transfer successfully completes. \r |
| 39 | @param Context Data passed from UsbAsyncInterruptTransfer() request.\r |
| 40 | @param Status Indicates the result of the asynchronous transfer.\r |
| 41 | \r |
| 42 | @retval EFI_SUCCESS The asynchronous USB transfer request has been successfully executed. \r |
| 43 | @retval EFI_DEVICE_ERROR The asynchronous USB transfer request failed.\r |
| 44 | \r |
| 45 | **/\r |
| 46 | typedef\r |
| 47 | EFI_STATUS\r |
| 48 | (EFIAPI *EFI_ASYNC_USB_TRANSFER_CALLBACK) (\r |
| 49 | IN VOID *Data,\r |
| 50 | IN UINTN DataLength,\r |
| 51 | IN VOID *Context,\r |
| 52 | IN UINT32 Status\r |
| 53 | );\r |
| 54 | \r |
| 55 | //\r |
| 56 | // Prototype for EFI USB I/O protocol\r |
| 57 | //\r |
| 58 | \r |
| 59 | \r |
| 60 | /** \r |
| 61 | This function is used to manage a USB device with a control transfer pipe. A control transfer is\r |
| 62 | typically used to perform device initialization and configuration. \r |
| 63 | \r |
| 64 | @param This A pointer to the EFI_USB_IO_PROTOCOL instance. \r |
| 65 | @param Request A pointer to the USB device request that will be sent to the USB\r |
| 66 | device. \r |
| 67 | @param Direction Indicates the data direction.\r |
| 68 | @param Data A pointer to the buffer of data that will be transmitted to USB\r |
| 69 | device or received from USB device. \r |
| 70 | @param Timeout Indicating the transfer should be completed within this time frame.\r |
| 71 | The units are in milliseconds. \r |
| 72 | @param DataLength The size, in bytes, of the data buffer specified by Data.\r |
| 73 | @param Status A pointer to the result of the USB transfer.\r |
| 74 | \r |
| 75 | @retval EFI_SUCCESS The control transfer has been successfully executed.\r |
| 76 | @retval EFI_DEVICE_ERROR The transfer failed. The transfer status is returned in Status.\r |
| 77 | @retval EFI_INVALID_PARAMETE One or more parameters are invalid.\r |
| 78 | @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.\r |
| 79 | @retval EFI_TIMEOUT The control transfer fails due to timeout.\r |
| 80 | \r |
| 81 | **/\r |
| 82 | typedef\r |
| 83 | EFI_STATUS\r |
| 84 | (EFIAPI *EFI_USB_IO_CONTROL_TRANSFER) (\r |
| 85 | IN EFI_USB_IO_PROTOCOL *This,\r |
| 86 | IN EFI_USB_DEVICE_REQUEST *Request,\r |
| 87 | IN EFI_USB_DATA_DIRECTION Direction,\r |
| 88 | IN UINT32 Timeout,\r |
| 89 | IN OUT VOID *Data OPTIONAL,\r |
| 90 | IN UINTN DataLength OPTIONAL,\r |
| 91 | OUT UINT32 *Status\r |
| 92 | );\r |
| 93 | \r |
| 94 | /** \r |
| 95 | This function is used to manage a USB device with the bulk transfer pipe. Bulk Transfers are\r |
| 96 | typically used to transfer large amounts of data to/from USB devices.\r |
| 97 | \r |
| 98 | @param This A pointer to the EFI_USB_IO_PROTOCOL instance. \r |
| 99 | @param DeviceEndpoint A pointer to the USB device request that will be sent to the USB\r |
| 100 | device. \r |
| 101 | @param Data A pointer to the buffer of data that will be transmitted to USB\r |
| 102 | device or received from USB device. \r |
| 103 | @param DataLength The size, in bytes, of the data buffer specified by Data.\r |
| 104 | @param Timeout Indicating the transfer should be completed within this time frame.\r |
| 105 | The units are in milliseconds. \r |
| 106 | @param Status This parameter indicates the USB transfer status.\r |
| 107 | \r |
| 108 | @retval EFI_SUCCESS The bulk transfer has been successfully executed.\r |
| 109 | @retval EFI_DEVICE_ERROR The transfer failed. The transfer status is returned in Status.\r |
| 110 | @retval EFI_INVALID_PARAMETE One or more parameters are invalid.\r |
| 111 | @retval EFI_OUT_OF_RESOURCES The request could not be submitted due to a lack of resources.\r |
| 112 | @retval EFI_TIMEOUT The control transfer fails due to timeout.\r |
| 113 | \r |
| 114 | **/\r |
| 115 | typedef\r |
| 116 | EFI_STATUS\r |
| 117 | (EFIAPI *EFI_USB_IO_BULK_TRANSFER) (\r |
| 118 | IN EFI_USB_IO_PROTOCOL *This,\r |
| 119 | IN UINT8 DeviceEndpoint,\r |
| 120 | IN OUT VOID *Data,\r |
| 121 | IN OUT UINTN *DataLength,\r |
| 122 | IN UINTN Timeout,\r |
| 123 | OUT UINT32 *Status\r |
| 124 | );\r |
| 125 | \r |
| 126 | /** \r |
| 127 | This function is used to manage a USB device with an interrupt transfer pipe. An Asynchronous \r |
| 128 | Interrupt Transfer is typically used to query a device's status at a fixed rate. For example, \r |
| 129 | keyboard, mouse, and hub devices use this type of transfer to query their interrupt endpoints at\r |
| 130 | a fixed rate. \r |
| 131 | \r |
| 132 | @param This A pointer to the EFI_USB_IO_PROTOCOL instance. \r |
| 133 | @param DeviceEndpoint A pointer to the USB device request that will be sent to the USB\r |
| 134 | device. \r |
| 135 | @param IsNewTransfer If TRUE, a new transfer will be submitted to USB controller. If \r |
| 136 | FALSE, the interrupt transfer is deleted from the device's interrupt\r |
| 137 | transfer queue. \r |
| 138 | @param PollingInterval Indicates the periodic rate, in milliseconds, that the transfer is to be \r |
| 139 | executed. \r |
| 140 | @param DataLength Specifies the length, in bytes, of the data to be received from the\r |
| 141 | USB device. \r |
| 142 | @param Context Data passed to the InterruptCallback function.\r |
| 143 | @param InterruptCallback The Callback function. This function is called if the asynchronous\r |
| 144 | interrupt transfer is completed.\r |
| 145 | \r |
| 146 | @retval EFI_SUCCESS The asynchronous USB transfer request transfer has been successfully executed.\r |
| 147 | @retval EFI_DEVICE_ERROR The asynchronous USB transfer request failed. \r |
| 148 | \r |
| 149 | **/\r |
| 150 | typedef\r |
| 151 | EFI_STATUS\r |
| 152 | (EFIAPI *EFI_USB_IO_ASYNC_INTERRUPT_TRANSFER) (\r |
| 153 | IN EFI_USB_IO_PROTOCOL *This,\r |
| 154 | IN UINT8 DeviceEndpoint,\r |
| 155 | IN BOOLEAN IsNewTransfer,\r |
| 156 | IN UINTN PollingInterval OPTIONAL,\r |
| 157 | IN UINTN DataLength OPTIONAL,\r |
| 158 | IN EFI_ASYNC_USB_TRANSFER_CALLBACK InterruptCallBack OPTIONAL,\r |
| 159 | IN VOID *Context OPTIONAL\r |
| 160 | );\r |
| 161 | \r |
| 162 | /** \r |
| 163 | This function is used to manage a USB device with an interrupt transfer pipe.\r |
| 164 | \r |
| 165 | @param This A pointer to the EFI_USB_IO_PROTOCOL instance. \r |
| 166 | @param DeviceEndpoint A pointer to the USB device request that will be sent to the USB\r |
| 167 | device. \r |
| 168 | @param Data A pointer to the buffer of data that will be transmitted to USB\r |
| 169 | device or received from USB device. \r |
| 170 | @param DataLength On input, then size, in bytes, of the buffer Data. On output, the\r |
| 171 | amount of data actually transferred. \r |
| 172 | @param Timeout The time out, in seconds, for this transfer.\r |
| 173 | @param Status This parameter indicates the USB transfer status. \r |
| 174 | \r |
| 175 | @retval EFI_SUCCESS The sync interrupt transfer has been successfully executed.\r |
| 176 | @retval EFI_INVALID_PARAMETER One or more parameters are invalid.\r |
| 177 | @retval EFI_DEVICE_ERROR The sync interrupt transfer request failed. \r |
| 178 | @retval EFI_OUT_OF_RESOURCES The request could not be submitted due to a lack of resources.\r |
| 179 | @retval EFI_TIMEOUT The transfer fails due to timeout. \r |
| 180 | **/\r |
| 181 | typedef\r |
| 182 | EFI_STATUS\r |
| 183 | (EFIAPI *EFI_USB_IO_SYNC_INTERRUPT_TRANSFER) (\r |
| 184 | IN EFI_USB_IO_PROTOCOL *This,\r |
| 185 | IN UINT8 DeviceEndpoint,\r |
| 186 | IN OUT VOID *Data,\r |
| 187 | IN OUT UINTN *DataLength,\r |
| 188 | IN UINTN Timeout,\r |
| 189 | OUT UINT32 *Status\r |
| 190 | );\r |
| 191 | \r |
| 192 | /** \r |
| 193 | This function is used to manage a USB device with an isochronous transfer pipe. An Isochronous\r |
| 194 | transfer is typically used to transfer streaming data.\r |
| 195 | \r |
| 196 | @param This A pointer to the EFI_USB_IO_PROTOCOL instance. \r |
| 197 | @param DeviceEndpoint A pointer to the USB device request that will be sent to the USB\r |
| 198 | device. \r |
| 199 | @param Data A pointer to the buffer of data that will be transmitted to USB\r |
| 200 | device or received from USB device. \r |
| 201 | @param DataLength The size, in bytes, of the data buffer specified by Data. \r |
| 202 | @param Status This parameter indicates the USB transfer status. \r |
| 203 | \r |
| 204 | @retval EFI_SUCCESS The isochronous transfer has been successfully executed.\r |
| 205 | @retval EFI_INVALID_PARAMETER The parameter DeviceEndpoint is not valid.\r |
| 206 | @retval EFI_DEVICE_ERROR The transfer failed due to the reason other than timeout, The error status\r |
| 207 | is returned in Status. \r |
| 208 | @retval EFI_OUT_OF_RESOURCES The request could not be submitted due to a lack of resources.\r |
| 209 | @retval EFI_TIMEOUT The transfer fails due to timeout. \r |
| 210 | **/\r |
| 211 | typedef\r |
| 212 | EFI_STATUS\r |
| 213 | (EFIAPI *EFI_USB_IO_ISOCHRONOUS_TRANSFER) (\r |
| 214 | IN EFI_USB_IO_PROTOCOL *This,\r |
| 215 | IN UINT8 DeviceEndpoint,\r |
| 216 | IN OUT VOID *Data,\r |
| 217 | IN UINTN DataLength,\r |
| 218 | OUT UINT32 *Status\r |
| 219 | );\r |
| 220 | \r |
| 221 | /** \r |
| 222 | This function is used to manage a USB device with an isochronous transfer pipe. An Isochronous\r |
| 223 | transfer is typically used to transfer streaming data. \r |
| 224 | \r |
| 225 | @param This A pointer to the EFI_USB_IO_PROTOCOL instance. \r |
| 226 | @param DeviceEndpoint A pointer to the USB device request that will be sent to the USB\r |
| 227 | device. \r |
| 228 | @param Data A pointer to the buffer of data that will be transmitted to USB\r |
| 229 | device or received from USB device. \r |
| 230 | @param DataLength The size, in bytes, of the data buffer specified by Data. \r |
| 231 | @param Context Data passed to the IsochronousCallback() function.\r |
| 232 | @param IsochronousCallback The IsochronousCallback() function.\r |
| 233 | \r |
| 234 | @retval EFI_SUCCESS The asynchronous isochronous transfer has been successfully submitted\r |
| 235 | to the system.\r |
| 236 | @retval EFI_INVALID_PARAMETER The parameter DeviceEndpoint is not valid.\r |
| 237 | @retval EFI_OUT_OF_RESOURCES The request could not be submitted due to a lack of resources.\r |
| 238 | \r |
| 239 | **/\r |
| 240 | typedef\r |
| 241 | EFI_STATUS\r |
| 242 | (EFIAPI *EFI_USB_IO_ASYNC_ISOCHRONOUS_TRANSFER) (\r |
| 243 | IN EFI_USB_IO_PROTOCOL *This,\r |
| 244 | IN UINT8 DeviceEndpoint,\r |
| 245 | IN OUT VOID *Data,\r |
| 246 | IN UINTN DataLength,\r |
| 247 | IN EFI_ASYNC_USB_TRANSFER_CALLBACK IsochronousCallBack,\r |
| 248 | IN VOID *Context OPTIONAL\r |
| 249 | );\r |
| 250 | \r |
| 251 | /** \r |
| 252 | Resets and reconfigures the USB controller. This function will work for all USB devices except\r |
| 253 | USB Hub Controllers. \r |
| 254 | \r |
| 255 | @param This A pointer to the EFI_USB_IO_PROTOCOL instance. \r |
| 256 | \r |
| 257 | @retval EFI_SUCCESS The USB controller was reset. \r |
| 258 | @retval EFI_INVALID_PARAMETER If the controller specified by This is a USB hub.\r |
| 259 | @retval EFI_DEVICE_ERROR An error occurred during the reconfiguration process.\r |
| 260 | \r |
| 261 | **/\r |
| 262 | typedef\r |
| 263 | EFI_STATUS\r |
| 264 | (EFIAPI *EFI_USB_IO_PORT_RESET) (\r |
| 265 | IN EFI_USB_IO_PROTOCOL *This\r |
| 266 | );\r |
| 267 | \r |
| 268 | /** \r |
| 269 | Retrieves the USB Device Descriptor.\r |
| 270 | \r |
| 271 | @param This A pointer to the EFI_USB_IO_PROTOCOL instance. \r |
| 272 | @param DeviceDescriptor A pointer to the caller allocated USB Device Descriptor.\r |
| 273 | \r |
| 274 | @retval EFI_SUCCESS The device descriptor was retrieved successfully.\r |
| 275 | @retval EFI_INVALID_PARAMETER DeviceDescriptor is NULL.\r |
| 276 | @retval EFI_NOT_FOUND The device descriptor was not found. The device may not be configured.\r |
| 277 | \r |
| 278 | **/\r |
| 279 | typedef\r |
| 280 | EFI_STATUS\r |
| 281 | (EFIAPI *EFI_USB_IO_GET_DEVICE_DESCRIPTOR) (\r |
| 282 | IN EFI_USB_IO_PROTOCOL *This,\r |
| 283 | OUT EFI_USB_DEVICE_DESCRIPTOR *DeviceDescriptor\r |
| 284 | );\r |
| 285 | \r |
| 286 | /** \r |
| 287 | Retrieves the USB Device Descriptor.\r |
| 288 | \r |
| 289 | @param This A pointer to the EFI_USB_IO_PROTOCOL instance. \r |
| 290 | @param ConfigurationDescriptor A pointer to the caller allocated USB Active Configuration\r |
| 291 | Descriptor. \r |
| 292 | @retval EFI_SUCCESS The active configuration descriptor was retrieved successfully.\r |
| 293 | @retval EFI_INVALID_PARAMETER ConfigurationDescriptor is NULL.\r |
| 294 | @retval EFI_NOT_FOUND An active configuration descriptor cannot be found. The device may not\r |
| 295 | be configured. \r |
| 296 | \r |
| 297 | **/\r |
| 298 | typedef\r |
| 299 | EFI_STATUS\r |
| 300 | (EFIAPI *EFI_USB_IO_GET_CONFIG_DESCRIPTOR) (\r |
| 301 | IN EFI_USB_IO_PROTOCOL *This,\r |
| 302 | OUT EFI_USB_CONFIG_DESCRIPTOR *ConfigurationDescriptor\r |
| 303 | );\r |
| 304 | \r |
| 305 | /** \r |
| 306 | Retrieves the Interface Descriptor for a USB Device Controller. As stated earlier, an interface\r |
| 307 | within a USB device is equivalently to a USB Controller within the current configuration. \r |
| 308 | \r |
| 309 | @param This A pointer to the EFI_USB_IO_PROTOCOL instance. \r |
| 310 | @param InterfaceDescriptor A pointer to the caller allocated USB Interface Descriptor within\r |
| 311 | the configuration setting. \r |
| 312 | @retval EFI_SUCCESS The interface descriptor retrieved successfully.\r |
| 313 | @retval EFI_INVALID_PARAMETER InterfaceDescriptor is NULL.\r |
| 314 | @retval EFI_NOT_FOUND The interface descriptor cannot be found. The device may not be\r |
| 315 | correctly configured. \r |
| 316 | \r |
| 317 | **/\r |
| 318 | typedef\r |
| 319 | EFI_STATUS\r |
| 320 | (EFIAPI *EFI_USB_IO_GET_INTERFACE_DESCRIPTOR) (\r |
| 321 | IN EFI_USB_IO_PROTOCOL *This,\r |
| 322 | OUT EFI_USB_INTERFACE_DESCRIPTOR *InterfaceDescriptor\r |
| 323 | );\r |
| 324 | \r |
| 325 | /** \r |
| 326 | Retrieves an Endpoint Descriptor within a USB Controller.\r |
| 327 | \r |
| 328 | @param This A pointer to the EFI_USB_IO_PROTOCOL instance. \r |
| 329 | @param EndpointIndex Indicates which endpoint descriptor to retrieve.\r |
| 330 | @param EndpointDescriptor A pointer to the caller allocated USB Endpoint Descriptor of\r |
| 331 | a USB controller. \r |
| 332 | \r |
| 333 | @retval EFI_SUCCESS The endpoint descriptor was retrieved successfully.\r |
| 334 | @retval EFI_INVALID_PARAMETER One or more parameters are invalid.\r |
| 335 | @retval EFI_NOT_FOUND The endpoint descriptor cannot be found. The device may not be\r |
| 336 | correctly configured. \r |
| 337 | \r |
| 338 | **/\r |
| 339 | typedef\r |
| 340 | EFI_STATUS\r |
| 341 | (EFIAPI *EFI_USB_IO_GET_ENDPOINT_DESCRIPTOR) (\r |
| 342 | IN EFI_USB_IO_PROTOCOL *This,\r |
| 343 | IN UINT8 EndpointIndex,\r |
| 344 | OUT EFI_USB_ENDPOINT_DESCRIPTOR *EndpointDescriptor\r |
| 345 | );\r |
| 346 | \r |
| 347 | /** \r |
| 348 | Retrieves a Unicode string stored in a USB Device.\r |
| 349 | \r |
| 350 | @param This A pointer to the EFI_USB_IO_PROTOCOL instance. \r |
| 351 | @param LangID The Language ID for the string being retrieved.\r |
| 352 | @param StringID The ID of the string being retrieved. \r |
| 353 | @param String A pointer to a buffer allocated by this function with \r |
| 354 | AllocatePool() to store the string.\r |
| 355 | \r |
| 356 | @retval EFI_SUCCESS The string was retrieved successfully. \r |
| 357 | @retval EFI_NOT_FOUND The string specified by LangID and StringID was not found. \r |
| 358 | @retval EFI_OUT_OF_RESOURCES There are not enough resources to allocate the return buffer String.\r |
| 359 | \r |
| 360 | **/\r |
| 361 | typedef\r |
| 362 | EFI_STATUS\r |
| 363 | (EFIAPI *EFI_USB_IO_GET_STRING_DESCRIPTOR) (\r |
| 364 | IN EFI_USB_IO_PROTOCOL *This,\r |
| 365 | IN UINT16 LangID,\r |
| 366 | IN UINT8 StringID,\r |
| 367 | OUT CHAR16 **String\r |
| 368 | );\r |
| 369 | \r |
| 370 | /** \r |
| 371 | Retrieves all the language ID codes that the USB device supports.\r |
| 372 | \r |
| 373 | @param This A pointer to the EFI_USB_IO_PROTOCOL instance. \r |
| 374 | @param LangIDTable Language ID for the string the caller wants to get.\r |
| 375 | @param TableSize The size, in bytes, of the table LangIDTable.\r |
| 376 | \r |
| 377 | @retval EFI_SUCCESS The support languages were retrieved successfully. \r |
| 378 | \r |
| 379 | **/\r |
| 380 | typedef\r |
| 381 | EFI_STATUS\r |
| 382 | (EFIAPI *EFI_USB_IO_GET_SUPPORTED_LANGUAGE) (\r |
| 383 | IN EFI_USB_IO_PROTOCOL *This,\r |
| 384 | OUT UINT16 **LangIDTable,\r |
| 385 | OUT UINT16 *TableSize\r |
| 386 | );\r |
| 387 | \r |
| 388 | //\r |
| 389 | // Protocol Interface Structure\r |
| 390 | //\r |
| 391 | struct _EFI_USB_IO_PROTOCOL {\r |
| 392 | //\r |
| 393 | // IO transfer\r |
| 394 | //\r |
| 395 | EFI_USB_IO_CONTROL_TRANSFER UsbControlTransfer;\r |
| 396 | EFI_USB_IO_BULK_TRANSFER UsbBulkTransfer;\r |
| 397 | EFI_USB_IO_ASYNC_INTERRUPT_TRANSFER UsbAsyncInterruptTransfer;\r |
| 398 | EFI_USB_IO_SYNC_INTERRUPT_TRANSFER UsbSyncInterruptTransfer;\r |
| 399 | EFI_USB_IO_ISOCHRONOUS_TRANSFER UsbIsochronousTransfer;\r |
| 400 | EFI_USB_IO_ASYNC_ISOCHRONOUS_TRANSFER UsbAsyncIsochronousTransfer;\r |
| 401 | \r |
| 402 | //\r |
| 403 | // Common device request\r |
| 404 | //\r |
| 405 | EFI_USB_IO_GET_DEVICE_DESCRIPTOR UsbGetDeviceDescriptor;\r |
| 406 | EFI_USB_IO_GET_CONFIG_DESCRIPTOR UsbGetConfigDescriptor;\r |
| 407 | EFI_USB_IO_GET_INTERFACE_DESCRIPTOR UsbGetInterfaceDescriptor;\r |
| 408 | EFI_USB_IO_GET_ENDPOINT_DESCRIPTOR UsbGetEndpointDescriptor;\r |
| 409 | EFI_USB_IO_GET_STRING_DESCRIPTOR UsbGetStringDescriptor;\r |
| 410 | EFI_USB_IO_GET_SUPPORTED_LANGUAGE UsbGetSupportedLanguages;\r |
| 411 | \r |
| 412 | //\r |
| 413 | // Reset controller's parent port\r |
| 414 | //\r |
| 415 | EFI_USB_IO_PORT_RESET UsbPortReset;\r |
| 416 | };\r |
| 417 | \r |
| 418 | extern EFI_GUID gEfiUsbIoProtocolGuid;\r |
| 419 | \r |
| 420 | #endif\r |
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