FreeBSD/Linux Kernel Cross Reference
sys/contrib/edk2/Include/Protocol/DevicePathFromText.h

     /** @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>
       SPDX-License-Identifier: BSD-2-Clause-Patent
     
     **/
     
    #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

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