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507 lines
24 KiB
C
507 lines
24 KiB
C
/** @file
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EFI Usb I/O Protocol as defined in UEFI specification.
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This protocol is used by code, typically drivers, running in the EFI
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boot services environment to access USB devices like USB keyboards,
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mice and mass storage devices. In particular, functions for managing devices
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on USB buses are defined here.
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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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#ifndef __USB_IO_H__
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#define __USB_IO_H__
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#include <IndustryStandard/Usb.h>
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//
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// Global ID for the USB I/O Protocol
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//
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#define EFI_USB_IO_PROTOCOL_GUID \
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{ \
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0x2B2F68D6, 0x0CD2, 0x44cf, {0x8E, 0x8B, 0xBB, 0xA2, 0x0B, 0x1B, 0x5B, 0x75 } \
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}
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typedef struct _EFI_USB_IO_PROTOCOL EFI_USB_IO_PROTOCOL;
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//
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// Related Definition for EFI USB I/O protocol
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//
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//
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// USB standard descriptors and reqeust
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//
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typedef USB_DEVICE_REQUEST EFI_USB_DEVICE_REQUEST;
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typedef USB_DEVICE_DESCRIPTOR EFI_USB_DEVICE_DESCRIPTOR;
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typedef USB_CONFIG_DESCRIPTOR EFI_USB_CONFIG_DESCRIPTOR;
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typedef USB_INTERFACE_DESCRIPTOR EFI_USB_INTERFACE_DESCRIPTOR;
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typedef USB_ENDPOINT_DESCRIPTOR EFI_USB_ENDPOINT_DESCRIPTOR;
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///
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/// USB data transfer direction
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///
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typedef enum {
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EfiUsbDataIn,
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EfiUsbDataOut,
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EfiUsbNoData
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} EFI_USB_DATA_DIRECTION;
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//
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// USB Transfer Results
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//
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#define EFI_USB_NOERROR 0x00
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#define EFI_USB_ERR_NOTEXECUTE 0x01
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#define EFI_USB_ERR_STALL 0x02
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#define EFI_USB_ERR_BUFFER 0x04
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#define EFI_USB_ERR_BABBLE 0x08
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#define EFI_USB_ERR_NAK 0x10
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#define EFI_USB_ERR_CRC 0x20
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#define EFI_USB_ERR_TIMEOUT 0x40
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#define EFI_USB_ERR_BITSTUFF 0x80
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#define EFI_USB_ERR_SYSTEM 0x100
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/**
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Async USB transfer callback routine.
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@param Data Data received or sent via the USB Asynchronous Transfer, if the
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transfer completed successfully.
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@param DataLength The length of Data received or sent via the Asynchronous
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Transfer, if transfer successfully completes.
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@param Context Data passed from UsbAsyncInterruptTransfer() request.
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@param Status Indicates the result of the asynchronous transfer.
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@retval EFI_SUCCESS The asynchronous USB transfer request has been successfully executed.
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@retval EFI_DEVICE_ERROR The asynchronous USB transfer request failed.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_ASYNC_USB_TRANSFER_CALLBACK)(
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IN VOID *Data,
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IN UINTN DataLength,
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IN VOID *Context,
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IN UINT32 Status
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);
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//
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// Prototype for EFI USB I/O protocol
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//
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/**
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This function is used to manage a USB device with a control transfer pipe. A control transfer is
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typically used to perform device initialization and configuration.
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@param This A pointer to the EFI_USB_IO_PROTOCOL instance.
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@param Request A pointer to the USB device request that will be sent to the USB
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device.
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@param Direction Indicates the data direction.
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@param Timeout Indicating the transfer should be completed within this time frame.
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The units are in milliseconds.
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@param Data A pointer to the buffer of data that will be transmitted to USB
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device or received from USB device.
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@param DataLength The size, in bytes, of the data buffer specified by Data.
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@param Status A pointer to the result of the USB transfer.
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@retval EFI_SUCCESS The control transfer has been successfully executed.
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@retval EFI_DEVICE_ERROR The transfer failed. The transfer status is returned in Status.
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@retval EFI_INVALID_PARAMETE One or more parameters are invalid.
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@retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.
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@retval EFI_TIMEOUT The control transfer fails due to timeout.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_USB_IO_CONTROL_TRANSFER)(
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IN EFI_USB_IO_PROTOCOL *This,
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IN EFI_USB_DEVICE_REQUEST *Request,
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IN EFI_USB_DATA_DIRECTION Direction,
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IN UINT32 Timeout,
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IN OUT VOID *Data OPTIONAL,
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IN UINTN DataLength OPTIONAL,
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OUT UINT32 *Status
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);
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/**
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This function is used to manage a USB device with the bulk transfer pipe. Bulk Transfers are
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typically used to transfer large amounts of data to/from USB devices.
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@param This A pointer to the EFI_USB_IO_PROTOCOL instance.
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@param DeviceEndpoint The destination USB device endpoint to which the
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device request is being sent. DeviceEndpoint must
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be between 0x01 and 0x0F or between 0x81 and 0x8F,
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otherwise EFI_INVALID_PARAMETER is returned. If
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the endpoint is not a BULK endpoint, EFI_INVALID_PARAMETER
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is returned. The MSB of this parameter indicates
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the endpoint direction. The number "1" stands for
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an IN endpoint, and "0" stands for an OUT endpoint.
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@param Data A pointer to the buffer of data that will be transmitted to USB
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device or received from USB device.
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@param DataLength The size, in bytes, of the data buffer specified by Data.
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On input, the size, in bytes, of the data buffer specified by Data.
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On output, the number of bytes that were actually transferred.
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@param Timeout Indicating the transfer should be completed within this time frame.
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The units are in milliseconds. If Timeout is 0, then the
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caller must wait for the function to be completed until
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EFI_SUCCESS or EFI_DEVICE_ERROR is returned.
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@param Status This parameter indicates the USB transfer status.
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@retval EFI_SUCCESS The bulk transfer has been successfully executed.
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@retval EFI_DEVICE_ERROR The transfer failed. The transfer status is returned in Status.
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@retval EFI_INVALID_PARAMETE One or more parameters are invalid.
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@retval EFI_OUT_OF_RESOURCES The request could not be submitted due to a lack of resources.
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@retval EFI_TIMEOUT The control transfer fails due to timeout.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_USB_IO_BULK_TRANSFER)(
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IN EFI_USB_IO_PROTOCOL *This,
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IN UINT8 DeviceEndpoint,
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IN OUT VOID *Data,
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IN OUT UINTN *DataLength,
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IN UINTN Timeout,
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OUT UINT32 *Status
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);
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/**
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This function is used to manage a USB device with an interrupt transfer pipe. An Asynchronous
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Interrupt Transfer is typically used to query a device's status at a fixed rate. For example,
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keyboard, mouse, and hub devices use this type of transfer to query their interrupt endpoints at
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a fixed rate.
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@param This A pointer to the EFI_USB_IO_PROTOCOL instance.
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@param DeviceEndpoint The destination USB device endpoint to which the
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device request is being sent. DeviceEndpoint must
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be between 0x01 and 0x0F or between 0x81 and 0x8F,
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otherwise EFI_INVALID_PARAMETER is returned. If
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the endpoint is not a BULK endpoint, EFI_INVALID_PARAMETER
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is returned. The MSB of this parameter indicates
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the endpoint direction. The number "1" stands for
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an IN endpoint, and "0" stands for an OUT endpoint.
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@param IsNewTransfer If TRUE, a new transfer will be submitted to USB controller. If
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FALSE, the interrupt transfer is deleted from the device's interrupt
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transfer queue.
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@param PollingInterval Indicates the periodic rate, in milliseconds, that the transfer is to be
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executed.This parameter is required when IsNewTransfer is TRUE. The
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value must be between 1 to 255, otherwise EFI_INVALID_PARAMETER is returned.
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The units are in milliseconds.
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@param DataLength Specifies the length, in bytes, of the data to be received from the
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USB device. This parameter is only required when IsNewTransfer is TRUE.
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@param InterruptCallback The Callback function. This function is called if the asynchronous
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interrupt transfer is completed. This parameter is required
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when IsNewTransfer is TRUE.
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@param Context Data passed to the InterruptCallback function. This is an optional
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parameter and may be NULL.
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@retval EFI_SUCCESS The asynchronous USB transfer request transfer has been successfully executed.
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@retval EFI_DEVICE_ERROR The asynchronous USB transfer request failed.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_USB_IO_ASYNC_INTERRUPT_TRANSFER)(
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IN EFI_USB_IO_PROTOCOL *This,
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IN UINT8 DeviceEndpoint,
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IN BOOLEAN IsNewTransfer,
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IN UINTN PollingInterval OPTIONAL,
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IN UINTN DataLength OPTIONAL,
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IN EFI_ASYNC_USB_TRANSFER_CALLBACK InterruptCallBack OPTIONAL,
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IN VOID *Context OPTIONAL
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);
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/**
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This function is used to manage a USB device with an interrupt transfer pipe.
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@param This A pointer to the EFI_USB_IO_PROTOCOL instance.
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@param DeviceEndpoint The destination USB device endpoint to which the
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device request is being sent. DeviceEndpoint must
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be between 0x01 and 0x0F or between 0x81 and 0x8F,
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otherwise EFI_INVALID_PARAMETER is returned. If
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the endpoint is not a BULK endpoint, EFI_INVALID_PARAMETER
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is returned. The MSB of this parameter indicates
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the endpoint direction. The number "1" stands for
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an IN endpoint, and "0" stands for an OUT endpoint.
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@param Data A pointer to the buffer of data that will be transmitted to USB
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device or received from USB device.
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@param DataLength On input, then size, in bytes, of the buffer Data. On output, the
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amount of data actually transferred.
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@param Timeout The time out, in seconds, for this transfer. If Timeout is 0,
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then the caller must wait for the function to be completed
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until EFI_SUCCESS or EFI_DEVICE_ERROR is returned. If the
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transfer is not completed in this time frame, then EFI_TIMEOUT is returned.
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@param Status This parameter indicates the USB transfer status.
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@retval EFI_SUCCESS The sync interrupt transfer has been successfully executed.
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@retval EFI_INVALID_PARAMETER One or more parameters are invalid.
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@retval EFI_DEVICE_ERROR The sync interrupt transfer request failed.
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@retval EFI_OUT_OF_RESOURCES The request could not be submitted due to a lack of resources.
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@retval EFI_TIMEOUT The transfer fails due to timeout.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_USB_IO_SYNC_INTERRUPT_TRANSFER)(
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IN EFI_USB_IO_PROTOCOL *This,
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IN UINT8 DeviceEndpoint,
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IN OUT VOID *Data,
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IN OUT UINTN *DataLength,
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IN UINTN Timeout,
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OUT UINT32 *Status
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);
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/**
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This function is used to manage a USB device with an isochronous transfer pipe. An Isochronous
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transfer is typically used to transfer streaming data.
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@param This A pointer to the EFI_USB_IO_PROTOCOL instance.
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@param DeviceEndpoint The destination USB device endpoint to which the
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device request is being sent. DeviceEndpoint must
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be between 0x01 and 0x0F or between 0x81 and 0x8F,
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otherwise EFI_INVALID_PARAMETER is returned. If
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the endpoint is not a BULK endpoint, EFI_INVALID_PARAMETER
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is returned. The MSB of this parameter indicates
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the endpoint direction. The number "1" stands for
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an IN endpoint, and "0" stands for an OUT endpoint.
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@param Data A pointer to the buffer of data that will be transmitted to USB
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device or received from USB device.
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@param DataLength The size, in bytes, of the data buffer specified by Data.
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@param Status This parameter indicates the USB transfer status.
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@retval EFI_SUCCESS The isochronous transfer has been successfully executed.
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@retval EFI_INVALID_PARAMETER The parameter DeviceEndpoint is not valid.
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@retval EFI_DEVICE_ERROR The transfer failed due to the reason other than timeout, The error status
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is returned in Status.
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@retval EFI_OUT_OF_RESOURCES The request could not be submitted due to a lack of resources.
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@retval EFI_TIMEOUT The transfer fails due to timeout.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_USB_IO_ISOCHRONOUS_TRANSFER)(
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IN EFI_USB_IO_PROTOCOL *This,
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IN UINT8 DeviceEndpoint,
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IN OUT VOID *Data,
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IN UINTN DataLength,
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OUT UINT32 *Status
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);
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/**
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This function is used to manage a USB device with an isochronous transfer pipe. An Isochronous
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transfer is typically used to transfer streaming data.
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@param This A pointer to the EFI_USB_IO_PROTOCOL instance.
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@param DeviceEndpoint The destination USB device endpoint to which the
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device request is being sent. DeviceEndpoint must
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be between 0x01 and 0x0F or between 0x81 and 0x8F,
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otherwise EFI_INVALID_PARAMETER is returned. If
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the endpoint is not a BULK endpoint, EFI_INVALID_PARAMETER
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is returned. The MSB of this parameter indicates
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the endpoint direction. The number "1" stands for
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an IN endpoint, and "0" stands for an OUT endpoint.
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@param Data A pointer to the buffer of data that will be transmitted to USB
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device or received from USB device.
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@param DataLength The size, in bytes, of the data buffer specified by Data.
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This is an optional parameter and may be NULL.
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@param IsochronousCallback The IsochronousCallback() function.This function is
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called if the requested isochronous transfer is completed.
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@param Context Data passed to the IsochronousCallback() function.
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@retval EFI_SUCCESS The asynchronous isochronous transfer has been successfully submitted
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to the system.
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@retval EFI_INVALID_PARAMETER The parameter DeviceEndpoint is not valid.
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@retval EFI_OUT_OF_RESOURCES The request could not be submitted due to a lack of resources.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_USB_IO_ASYNC_ISOCHRONOUS_TRANSFER)(
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IN EFI_USB_IO_PROTOCOL *This,
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IN UINT8 DeviceEndpoint,
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IN OUT VOID *Data,
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IN UINTN DataLength,
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IN EFI_ASYNC_USB_TRANSFER_CALLBACK IsochronousCallBack,
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IN VOID *Context OPTIONAL
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);
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/**
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Resets and reconfigures the USB controller. This function will work for all USB devices except
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USB Hub Controllers.
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@param This A pointer to the EFI_USB_IO_PROTOCOL instance.
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@retval EFI_SUCCESS The USB controller was reset.
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@retval EFI_INVALID_PARAMETER If the controller specified by This is a USB hub.
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@retval EFI_DEVICE_ERROR An error occurred during the reconfiguration process.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_USB_IO_PORT_RESET)(
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IN EFI_USB_IO_PROTOCOL *This
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);
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/**
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Retrieves the USB Device Descriptor.
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@param This A pointer to the EFI_USB_IO_PROTOCOL instance.
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@param DeviceDescriptor A pointer to the caller allocated USB Device Descriptor.
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@retval EFI_SUCCESS The device descriptor was retrieved successfully.
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@retval EFI_INVALID_PARAMETER DeviceDescriptor is NULL.
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@retval EFI_NOT_FOUND The device descriptor was not found. The device may not be configured.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_USB_IO_GET_DEVICE_DESCRIPTOR)(
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IN EFI_USB_IO_PROTOCOL *This,
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OUT EFI_USB_DEVICE_DESCRIPTOR *DeviceDescriptor
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);
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/**
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Retrieves the USB Device Descriptor.
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@param This A pointer to the EFI_USB_IO_PROTOCOL instance.
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@param ConfigurationDescriptor A pointer to the caller allocated USB Active Configuration
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Descriptor.
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@retval EFI_SUCCESS The active configuration descriptor was retrieved successfully.
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@retval EFI_INVALID_PARAMETER ConfigurationDescriptor is NULL.
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@retval EFI_NOT_FOUND An active configuration descriptor cannot be found. The device may not
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be configured.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_USB_IO_GET_CONFIG_DESCRIPTOR)(
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IN EFI_USB_IO_PROTOCOL *This,
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OUT EFI_USB_CONFIG_DESCRIPTOR *ConfigurationDescriptor
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);
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/**
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Retrieves the Interface Descriptor for a USB Device Controller. As stated earlier, an interface
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within a USB device is equivalently to a USB Controller within the current configuration.
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@param This A pointer to the EFI_USB_IO_PROTOCOL instance.
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@param InterfaceDescriptor A pointer to the caller allocated USB Interface Descriptor within
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the configuration setting.
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@retval EFI_SUCCESS The interface descriptor retrieved successfully.
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@retval EFI_INVALID_PARAMETER InterfaceDescriptor is NULL.
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@retval EFI_NOT_FOUND The interface descriptor cannot be found. The device may not be
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correctly configured.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_USB_IO_GET_INTERFACE_DESCRIPTOR)(
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IN EFI_USB_IO_PROTOCOL *This,
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OUT EFI_USB_INTERFACE_DESCRIPTOR *InterfaceDescriptor
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);
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/**
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Retrieves an Endpoint Descriptor within a USB Controller.
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@param This A pointer to the EFI_USB_IO_PROTOCOL instance.
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@param EndpointIndex Indicates which endpoint descriptor to retrieve.
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@param EndpointDescriptor A pointer to the caller allocated USB Endpoint Descriptor of
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a USB controller.
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@retval EFI_SUCCESS The endpoint descriptor was retrieved successfully.
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@retval EFI_INVALID_PARAMETER One or more parameters are invalid.
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@retval EFI_NOT_FOUND The endpoint descriptor cannot be found. The device may not be
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correctly configured.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_USB_IO_GET_ENDPOINT_DESCRIPTOR)(
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IN EFI_USB_IO_PROTOCOL *This,
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IN UINT8 EndpointIndex,
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OUT EFI_USB_ENDPOINT_DESCRIPTOR *EndpointDescriptor
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);
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/**
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Retrieves a string stored in a USB Device.
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@param This A pointer to the EFI_USB_IO_PROTOCOL instance.
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@param LangID The Language ID for the string being retrieved.
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@param StringID The ID of the string being retrieved.
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@param String A pointer to a buffer allocated by this function with
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AllocatePool() to store the string.If this function
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returns EFI_SUCCESS, it stores the string the caller
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wants to get. The caller should release the string
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buffer with FreePool() after the string is not used any more.
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@retval EFI_SUCCESS The string was retrieved successfully.
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@retval EFI_NOT_FOUND The string specified by LangID and StringID was not found.
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@retval EFI_OUT_OF_RESOURCES There are not enough resources to allocate the return buffer String.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_USB_IO_GET_STRING_DESCRIPTOR)(
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IN EFI_USB_IO_PROTOCOL *This,
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IN UINT16 LangID,
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IN UINT8 StringID,
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OUT CHAR16 **String
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);
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/**
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Retrieves all the language ID codes that the USB device supports.
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@param This A pointer to the EFI_USB_IO_PROTOCOL instance.
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@param LangIDTable Language ID for the string the caller wants to get.
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This is a 16-bit ID defined by Microsoft. This
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buffer pointer is allocated and maintained by
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the USB Bus Driver, the caller should not modify
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its contents.
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@param TableSize The size, in bytes, of the table LangIDTable.
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@retval EFI_SUCCESS The support languages were retrieved successfully.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_USB_IO_GET_SUPPORTED_LANGUAGE)(
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IN EFI_USB_IO_PROTOCOL *This,
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OUT UINT16 **LangIDTable,
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OUT UINT16 *TableSize
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);
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///
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/// The EFI_USB_IO_PROTOCOL provides four basic transfers types described
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/// in the USB 1.1 Specification. These include control transfer, interrupt
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/// transfer, bulk transfer and isochronous transfer. The EFI_USB_IO_PROTOCOL
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/// also provides some basic USB device/controller management and configuration
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/// interfaces. A USB device driver uses the services of this protocol to manage USB devices.
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///
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struct _EFI_USB_IO_PROTOCOL {
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//
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// IO transfer
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//
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EFI_USB_IO_CONTROL_TRANSFER UsbControlTransfer;
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EFI_USB_IO_BULK_TRANSFER UsbBulkTransfer;
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EFI_USB_IO_ASYNC_INTERRUPT_TRANSFER UsbAsyncInterruptTransfer;
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EFI_USB_IO_SYNC_INTERRUPT_TRANSFER UsbSyncInterruptTransfer;
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EFI_USB_IO_ISOCHRONOUS_TRANSFER UsbIsochronousTransfer;
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EFI_USB_IO_ASYNC_ISOCHRONOUS_TRANSFER UsbAsyncIsochronousTransfer;
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//
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// Common device request
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//
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EFI_USB_IO_GET_DEVICE_DESCRIPTOR UsbGetDeviceDescriptor;
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EFI_USB_IO_GET_CONFIG_DESCRIPTOR UsbGetConfigDescriptor;
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EFI_USB_IO_GET_INTERFACE_DESCRIPTOR UsbGetInterfaceDescriptor;
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EFI_USB_IO_GET_ENDPOINT_DESCRIPTOR UsbGetEndpointDescriptor;
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EFI_USB_IO_GET_STRING_DESCRIPTOR UsbGetStringDescriptor;
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EFI_USB_IO_GET_SUPPORTED_LANGUAGE UsbGetSupportedLanguages;
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//
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// Reset controller's parent port
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//
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EFI_USB_IO_PORT_RESET UsbPortReset;
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};
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extern EFI_GUID gEfiUsbIoProtocolGuid;
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#endif
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