EFI_SIMPLE_WINPHONE_IO_PROTOCOL.Write

Article
03/23/2023

The Write function writes data to the device.

This function will block until the requested amount of data is written to the device or it times out.

Syntax

typedef
EFI_STATUS
(EFIAPI * EFI_SIMPLE_WINPHONE_IO_WRITE) (
  IN EFI_SIMPLE_WINPHONE_IO_PROTOCOL    *This,
  IN UINTN                              NumberOfBytesToWrite,
  IN OUT UINTN                          *NumberOfBytesWritten,
  IN VOID                               *Buffer
  );

Parameters

This
A pointer to the EFI_SIMPLE_WINPHONE_IO_PROTOCOL instance

NumberOfBytesToWrite
The number of bytes to be written to the device.

NumberOfBytesWritten
The amount of data actually written in bytes.

Buffer
The buffer of data to write.

Return values

The function returns one of the following values:

Status code	Description
EFI_SUCCESS	The function returned successfully.
EFI_INVALID_PARAMETER	A parameter is invalid.
EFI_DEVICE_ERROR	The physical device reported an error.
EFI_NOT_READY	The physical device is busy or not ready to process this request.
EFI_TIMEOUT	Time-out occurred before establishing a connection.
EFI_NO_RESPONSE	The connection to the host is nonexistent or has been terminated.

Remarks

In case of errors, the transmission will be terminated with the appropriate status code. In all cases, the number of bytes actually written to the device is returned in NumberOfBytesWritten.

Requirements

Header: User generated

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