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80 lines
2.8 KiB
C
80 lines
2.8 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 - 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 __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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