#ifndef EFI_PROTOCOLS_FILE_H
#define EFI_PROTOCOLS_FILE_H

////
// EFI File Protocol
///

#define EFI_FILE_PROTOCOL_REVISION								0x00010000
#define EFI_FILE_PROTOCOL_REVISION2								0x00020000
#define EFI_FILE_PROTOCOL_LATEST_REVISION						EFI_FILE_PROTOCOL_REVISION2

#define EFI_FILE_MODE_READ										0x0000000000000001
#define EFI_FILE_MODE_WRITE										0x0000000000000002
#define EFI_FILE_MODE_CREATE									0x8000000000000000

#define EFI_FILE_READ_ONLY										0x0000000000000001
#define EFI_FILE_HIDDEN											0x0000000000000002
#define EFI_FILE_SYSTEM											0x0000000000000004
#define EFI_FILE_RESERVED										0x0000000000000008
#define EFI_FILE_DIRECTORY										0x0000000000000010
#define EFI_FILE_ARCHIVE										0x0000000000000020
#define EFI_FILE_VALID_ATTR										0x0000000000000037

typedef struct _EFI_FILE_PROTOCOL EFI_FILE_PROTOCOL;

typedef struct {
	EFI_EVENT Event;
	EFI_STATUS Status;
	UINTN BufferSize;
	VOID *Buffer;
} EFI_FILE_IO_TOKEN;

typedef
EFI_STATUS
(EFIAPI *EFI_FILE_OPEN)(
	IN EFI_FILE_PROTOCOL *This,
	OUT EFI_FILE_PROTOCOL **NewHandle,
	IN CHAR16 *FileName,
	IN UINT64 OpenMode,
	IN UINT64 Attributes
);

typedef
EFI_STATUS
(EFIAPI *EFI_FILE_CLOSE)(
	IN EFI_FILE_PROTOCOL *This
);

typedef
EFI_STATUS
(EFIAPI *EFI_FILE_DELETE)(
	IN EFI_FILE_PROTOCOL *This
);

typedef
EFI_STATUS
(EFIAPI *EFI_FILE_READ)(
	IN EFI_FILE_PROTOCOL *This,
	IN OUT UINTN *BufferSize,
	OUT VOID *Buffer
);

typedef
EFI_STATUS
(EFIAPI *EFI_FILE_WRITE)(
	IN EFI_FILE_PROTOCOL *This,
	IN OUT UINTN *BufferSize,
	IN VOID *Buffer
);

typedef
EFI_STATUS
(EFIAPI *EFI_FILE_GET_POSITION)(
	IN EFI_FILE_PROTOCOL *This,
	OUT UINT64 Position
);

typedef
EFI_STATUS
(EFIAPI *EFI_FILE_SET_POSITION)(
	IN EFI_FILE_PROTOCOL *This,
	IN UINT64 Position
);

typedef
EFI_STATUS
(EFIAPI *EFI_FILE_GET_INFO)(
	IN EFI_FILE_PROTOCOL *This,
	IN EFI_GUID *InformationType,
	IN OUT UINTN *BufferSize,
	OUT VOID *Buffer
);

typedef
EFI_STATUS
(EFIAPI *EFI_FILE_SET_INFO)(
	IN EFI_FILE_PROTOCOL *This,
	IN EFI_GUID *InformationType,
	IN UINTN BufferSize,
	IN VOID *Buffer
);

typedef
EFI_STATUS
(EFIAPI *EFI_FILE_FLUSH)(
	IN EFI_FILE_PROTOCOL *This
);

typedef
EFI_STATUS
(EFIAPI *EFI_FILE_OPEN_EX)(
	IN EFI_FILE_PROTOCOL *This,
	OUT EFI_FILE_PROTOCOL **NewHandle,
	IN CHAR16 *FileName,
	IN UINT64 OpenMode,
	IN UINT64 Attributes,
	IN OUT EFI_FILE_IO_TOKEN *Token
);

typedef
EFI_STATUS
(EFIAPI *EFI_FILE_READ_EX)(
	IN EFI_FILE_PROTOCOL *This,
	IN OUT EFI_FILE_IO_TOKEN *Token
);

typedef
EFI_STATUS
(EFIAPI *EFI_FILE_WRITE_EX)(
	IN EFI_FILE_PROTOCOL *This,
	IN OUT EFI_FILE_IO_TOKEN *Token
);

typedef
EFI_STATUS
(EFIAPI *EFI_FILE_FLUSH_EX)(
	IN EFI_FILE_PROTOCOL *This,
	IN OUT EFI_FILE_IO_TOKEN *Token
);

typedef struct _EFI_FILE_PROTOCOL {
	UINT64 Revision;

	EFI_FILE_OPEN Open;
	EFI_FILE_CLOSE Close;
	EFI_FILE_DELETE Delete;
	EFI_FILE_READ Read;
	EFI_FILE_WRITE Write;
	EFI_FILE_GET_POSITION GetPosition;
	EFI_FILE_SET_POSITION SetPosition;
	EFI_FILE_GET_INFO GetInfo;
	EFI_FILE_SET_INFO SetInfo;
	EFI_FILE_FLUSH Flush;

	// Added for revision 2
	EFI_FILE_OPEN_EX OpenEx;
	EFI_FILE_READ_EX ReadEx;
	EFI_FILE_WRITE_EX WriteEx;
	EFI_FILE_FLUSH_EX FlushEx;
} EFI_FILE_PROTOCOL;

#endif /* EFI_PROTOCOLS_FILE_H */