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108 lines
3.7 KiB
C
Executable File
108 lines
3.7 KiB
C
Executable File
/** @file
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Copyright (C) 2016, The HermitCrabs Lab. All rights reserved.
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All rights reserved.
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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 OC_DEVICE_PATH_LIB_H_
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#define OC_DEVICE_PATH_LIB_H_
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// AppendFileNameDevicePath
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/**
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@param[in] DevicePath The device path which to append the file path.
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@param[in] FileName The file name to append to the device path.
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@retval EFI_SUCCESS The defaults were initialized successfully.
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@retval EFI_INVALID_PARAMETER The parameters passed were invalid.
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@retval EFI_OUT_OF_RESOURCES The system ran out of memory.
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**/
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EFI_DEVICE_PATH_PROTOCOL *
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AppendFileNameDevicePath (
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IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,
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IN CHAR16 *FileName
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);
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// DevicePathToText
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/** Converts a device path structure to its string representative.
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@param[in] StorageDevicePath The device path to convert to unicode string.
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@param[in] DisplayOnly If DisplayOnly is TRUE, then the shorter text
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representation of the display node is used,
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where applicable. If DisplayOnly is FALSE,
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then the longer text representation of the
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display node is used.
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@param[in] AllowShortcuts If AllowShortcuts is TRUE, then the shortcut
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forms of text representation for a device node
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can be used, where applicable.
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@retval EFI_SUCCESS The defaults were initialized successfully.
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@retval EFI_INVALID_PARAMETER The parameters passed were invalid.
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@retval EFI_OUT_OF_RESOURCES The system ran out of memory.
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**/
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CHAR16 *
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DevicePathToText (
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IN 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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// FindDevicePathNodeWithType
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/** Locate the node inside the device path specified by Type an SubType values.
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@param[in] DevicePath The device path used in the search.
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@param[in] Type The Type field of the device path node specified by Node.
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@param[in] SubType The SubType field of the device path node specified by Node.
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@return Returned is the first Device Path Node with the given type.
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**/
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EFI_DEVICE_PATH_PROTOCOL *
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FindDevicePathNodeWithType (
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IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,
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IN UINT8 Type,
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IN UINT8 SubType OPTIONAL
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);
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// IsDevicePathEqual
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/**
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@param[in] DevicePath1 The first device path protocol to compare.
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@param[in] DevicePath2 The second device path protocol to compare.
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@retval TRUE The device paths matched
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@retval FALSE The device paths were different
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**/
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BOOLEAN
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EFIAPI
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IsDevicePathEqual (
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IN EFI_DEVICE_PATH_PROTOCOL *DevicePath1,
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IN EFI_DEVICE_PATH_PROTOCOL *DevicePath2
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);
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// IsDeviceChild
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/**
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@param[in] ParentPath The parent device path protocol to check against.
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@param[in] ChildPath The device path protocol of the child device to compare.
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@retval TRUE The child device path contains the parent device path.
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@retval FALSE The device paths were different
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**/
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BOOLEAN
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EFIAPI
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IsDeviceChild (
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IN EFI_DEVICE_PATH_PROTOCOL *ParentPath,
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IN EFI_DEVICE_PATH_PROTOCOL *ChildPath,
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IN UINT8 EndPathType
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);
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#endif // OC_DEVICE_PATH_LIB_H_
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