git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10403 6f19259b-4bc3-4df7-8a09-765794883524
		
			
				
	
	
		
			86 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			86 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/** @file
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  EFI_DEVICE_PATH_TO_TEXT_PROTOCOL as defined in UEFI 2.0.  
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  This protocol provides service to convert device nodes and paths to text.
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  Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
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  This program and the accompanying materials                          
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  are licensed and made available under the terms and conditions of the BSD License         
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  which accompanies this distribution.  The full text of the license may be found at        
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  http://opensource.org/licenses/bsd-license.php                                            
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  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     
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  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.             
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**/
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#ifndef __DEVICE_PATH_TO_TEXT_PROTOCOL_H__
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#define __DEVICE_PATH_TO_TEXT_PROTOCOL_H__
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///
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/// Device Path To Text protocol
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///
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#define EFI_DEVICE_PATH_TO_TEXT_PROTOCOL_GUID \
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  { \
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    0x8b843e20, 0x8132, 0x4852, {0x90, 0xcc, 0x55, 0x1a, 0x4e, 0x4a, 0x7f, 0x1c } \
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  }
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/**
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  Convert a device node to its text representation.
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  @param  DeviceNode     Points to the device node to be converted.
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  @param  DisplayOnly    If DisplayOnly is TRUE, then the shorter text representation
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                         of the display node is used, where applicable. If DisplayOnly
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                         is FALSE, then the longer text representation of the display node
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                         is used.
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  @param  AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text
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                         representation for a device node can be used, where applicable.
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  @retval a_pointer      a pointer to the allocated text representation of the device node data
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  @retval NULL           if DeviceNode is NULL or there was insufficient memory.
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**/
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typedef
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CHAR16*
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(EFIAPI *EFI_DEVICE_PATH_TO_TEXT_NODE)(
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  IN CONST EFI_DEVICE_PATH_PROTOCOL   *DeviceNode,
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  IN BOOLEAN                          DisplayOnly,
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  IN BOOLEAN                          AllowShortcuts
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  );      
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/**
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  Convert a device path to its text representation.
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  @param  DevicePath     Points to the device path to be converted.
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  @param  DisplayOnly    If DisplayOnly is TRUE, then the shorter text representation
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                         of the display node is used, where applicable. If DisplayOnly
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                         is FALSE, then the longer text representation of the display node
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                         is used.  
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  @param  AllowShortcuts The AllowShortcuts is FALSE, then the shortcut forms of
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                         text representation for a device node cannot be used.
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  @retval a_pointer      a pointer to the allocated text representation of the device node.
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  @retval NULL           if DevicePath is NULL or there was insufficient memory.
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**/
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typedef
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CHAR16*
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(EFIAPI *EFI_DEVICE_PATH_TO_TEXT_PATH)(
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  IN CONST EFI_DEVICE_PATH_PROTOCOL   *DevicePath,
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  IN BOOLEAN                          DisplayOnly,
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  IN BOOLEAN                          AllowShortcuts
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  );    
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///
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/// This protocol converts device paths and device nodes to text.
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///
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typedef struct {
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  EFI_DEVICE_PATH_TO_TEXT_NODE        ConvertDeviceNodeToText;
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  EFI_DEVICE_PATH_TO_TEXT_PATH        ConvertDevicePathToText;
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} EFI_DEVICE_PATH_TO_TEXT_PROTOCOL;
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extern EFI_GUID gEfiDevicePathToTextProtocolGuid;
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#endif
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