audk/MdePkg/Include/Protocol/DevicePathFromText.h

73 lines
2.4 KiB
C

/** @file
EFI_DEVICE_PATH_FROM_TEXT_PROTOCOL as defined in UEFI 2.0.
This protocol provides service to convert text to device paths and device nodes.
Copyright (c) 2006 - 2018, 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
which 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.
**/
#ifndef __DEVICE_PATH_FROM_TEXT_PROTOCOL_H__
#define __DEVICE_PATH_FROM_TEXT_PROTOCOL_H__
///
/// Device Path From Text protocol
///
#define EFI_DEVICE_PATH_FROM_TEXT_PROTOCOL_GUID \
{ \
0x5c99a21, 0xc70f, 0x4ad2, {0x8a, 0x5f, 0x35, 0xdf, 0x33, 0x43, 0xf5, 0x1e } \
}
/**
Convert text to the binary representation of a device node.
@param TextDeviceNode TextDeviceNode points to the text representation of a device
node. Conversion starts with the first character and continues
until the first non-device node character.
@retval a_pointer Pointer to the EFI device node.
@retval NULL if TextDeviceNode is NULL or there was insufficient memory.
**/
typedef
EFI_DEVICE_PATH_PROTOCOL*
(EFIAPI *EFI_DEVICE_PATH_FROM_TEXT_NODE)(
IN CONST CHAR16 *TextDeviceNode
);
/**
Convert text to the binary representation of a device node.
@param TextDeviceNode TextDevicePath points to the text representation of a device
path. Conversion starts with the first character and continues
until the first non-device path character.
@retval a_pointer Pointer to the allocated device path.
@retval NULL if TextDeviceNode is NULL or there was insufficient memory.
**/
typedef
EFI_DEVICE_PATH_PROTOCOL*
(EFIAPI *EFI_DEVICE_PATH_FROM_TEXT_PATH)(
IN CONST CHAR16 *TextDevicePath
);
///
/// This protocol converts text to device paths and device nodes.
///
typedef struct {
EFI_DEVICE_PATH_FROM_TEXT_NODE ConvertTextToDeviceNode;
EFI_DEVICE_PATH_FROM_TEXT_PATH ConvertTextToDevicePath;
} EFI_DEVICE_PATH_FROM_TEXT_PROTOCOL;
extern EFI_GUID gEfiDevicePathFromTextProtocolGuid;
#endif