DevicePathLib.h

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#ifndef __DEVICE_PATH_LIB_H__
#define __DEVICE_PATH_LIB_H__
 
#define END_DEVICE_PATH_LENGTH               (sizeof (EFI_DEVICE_PATH_PROTOCOL))
 
BOOLEAN
EFIAPI
IsDevicePathValid (
  IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath,
  IN       UINTN                    MaxSize
  );
 
UINT8
EFIAPI
DevicePathType (
  IN CONST VOID  *Node
  );
 
UINT8
EFIAPI
DevicePathSubType (
  IN CONST VOID  *Node
  );
 
UINTN
EFIAPI
DevicePathNodeLength (
  IN CONST VOID  *Node
  );
 
EFI_DEVICE_PATH_PROTOCOL *
EFIAPI
NextDevicePathNode (
  IN CONST VOID  *Node
  );
 
BOOLEAN
EFIAPI
IsDevicePathEndType (
  IN CONST VOID  *Node
  );
 
BOOLEAN
EFIAPI
IsDevicePathEnd (
  IN CONST VOID  *Node
  );
 
BOOLEAN
EFIAPI
IsDevicePathEndInstance (
  IN CONST VOID  *Node
  );
 
UINT16
EFIAPI
SetDevicePathNodeLength (
  IN OUT VOID  *Node,
  IN UINTN     Length
  );
 
VOID
EFIAPI
SetDevicePathEndNode (
  OUT VOID  *Node
  );
 
UINTN
EFIAPI
GetDevicePathSize (
  IN CONST EFI_DEVICE_PATH_PROTOCOL  *DevicePath
  );
 
EFI_DEVICE_PATH_PROTOCOL *
EFIAPI
DuplicateDevicePath (
  IN CONST EFI_DEVICE_PATH_PROTOCOL  *DevicePath
  );
 
EFI_DEVICE_PATH_PROTOCOL *
EFIAPI
AppendDevicePath (
  IN CONST EFI_DEVICE_PATH_PROTOCOL  *FirstDevicePath,  OPTIONAL
  IN CONST EFI_DEVICE_PATH_PROTOCOL  *SecondDevicePath  OPTIONAL
  );
 
EFI_DEVICE_PATH_PROTOCOL *
EFIAPI
AppendDevicePathNode (
  IN CONST EFI_DEVICE_PATH_PROTOCOL  *DevicePath,     OPTIONAL
  IN CONST EFI_DEVICE_PATH_PROTOCOL  *DevicePathNode  OPTIONAL
  );
 
EFI_DEVICE_PATH_PROTOCOL *
EFIAPI
AppendDevicePathInstance (
  IN CONST EFI_DEVICE_PATH_PROTOCOL  *DevicePath,        OPTIONAL
  IN CONST EFI_DEVICE_PATH_PROTOCOL  *DevicePathInstance OPTIONAL
  );
 
EFI_DEVICE_PATH_PROTOCOL *
EFIAPI
GetNextDevicePathInstance (
  IN OUT EFI_DEVICE_PATH_PROTOCOL    **DevicePath,
  OUT UINTN                          *Size
  );
 
EFI_DEVICE_PATH_PROTOCOL *
EFIAPI
CreateDeviceNode (
  IN UINT8                           NodeType,
  IN UINT8                           NodeSubType,
  IN UINT16                          NodeLength
  );
 
BOOLEAN
EFIAPI
IsDevicePathMultiInstance (
  IN CONST EFI_DEVICE_PATH_PROTOCOL  *DevicePath
  );
 
EFI_DEVICE_PATH_PROTOCOL *
EFIAPI
DevicePathFromHandle (
  IN EFI_HANDLE                      Handle
  );
 
EFI_DEVICE_PATH_PROTOCOL *
EFIAPI
FileDevicePath (
  IN EFI_HANDLE                      Device,     OPTIONAL
  IN CONST CHAR16                    *FileName
  );
 
CHAR16 *
EFIAPI
ConvertDevicePathToText (
  IN CONST EFI_DEVICE_PATH_PROTOCOL   *DevicePath,
  IN BOOLEAN                          DisplayOnly,
  IN BOOLEAN                          AllowShortcuts
  );
 
CHAR16 *
EFIAPI
ConvertDeviceNodeToText (
  IN CONST EFI_DEVICE_PATH_PROTOCOL  *DeviceNode,
  IN BOOLEAN                         DisplayOnly,
  IN BOOLEAN                         AllowShortcuts
  );
 
EFI_DEVICE_PATH_PROTOCOL *
EFIAPI
ConvertTextToDeviceNode (
  IN CONST CHAR16 *TextDeviceNode
  );
 
EFI_DEVICE_PATH_PROTOCOL *
EFIAPI
ConvertTextToDevicePath (
  IN CONST CHAR16 *TextDevicePath
  );
 
#endif