#pragma once

#include <efi/types.h>

#define EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID \
{0x0964e5b22,0x6459,0x11d2,\
        {0x8e,0x39,0x00,0xa0,0xc9,0x69,0x72,0x3b}}

typedef struct EFI_SIMPLE_FILE_SYSTEM_PROTOCOL 
    EFI_SIMPLE_FILE_SYSTEM_PROTOCOL;
typedef struct EFI_FILE_PROTOCOL EFI_FILE_PROTOCOL;

typedef EFI_STATUS (EFIAPI *EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_OPEN_VOLUME)(
            IN EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *This,
            OUT EFI_FILE_PROTOCOL **Root);

struct EFI_SIMPLE_FILE_SYSTEM_PROTOCOL
{
    UINT64 Revision;
    EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_OPEN_VOLUME OpenVolume;
};

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

#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 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_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);

#define EFI_FILE_INFO_ID \
{0x09576e92,0x6d3f,0x11d2,\
    {0x8e39,0x00,0xa0,0xc9,0x69,0x72,0x3b}}

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

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

typedef struct
{
    UINT64 Size;
    UINT64 FileSize;
    UINT64 PhysicalSize;
    EFI_TIME CreateTime ;
    EFI_TIME LastAccessTime;
    EFI_TIME ModificationTime;
    UINT64 Attribute;
#ifdef __cplusplus
    CHAR16 *FileName;
#else
    CHAR16 FileName[];
#endif
}
EFI_FILE_INFO;

#define EFI_FILE_SYSTEM_INFO_ID \
    {0x09576e93,0x6d3f,0x11d2,0x8e39,\
        {0x00,0xa0,0xc9,0x69,0x72,0x3b}}

typedef struct 
{
    UINT64 Size;
    BOOLEAN ReadOnly;
    UINT64 VolumeSize;
    UINT64 FreeSpace;
    UINT32 BlockSize;
#ifdef __cplusplus
    CHAR16 *VolumeLabel;
#else
    CHAR16 VolumeLabel[];
#endif
}
EFI_FILE_SYSTEM_INFO;

#define EFI_FILE_SYSTEM_VOLUME_LABEL_ID \
{0xdb47d7d3,0xfe81,0x11d3,0x9a35,\
    {0x00,0x90,0x27,0x3f,0xC1,0x4d}}

typedef struct
{
    CHAR16 VolumeLabel[1];
}
EFI_FILE_SYSTEM_VOLUME_LABEL;

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

struct EFI_FILE_PROTOCOL
{
    UINT64 Revision;
    EFI_FILE_OPEN Open;
    EFI_FILE_CLOSE Close;
    EFIX_UNUSED_FUNC Delete;
    EFI_FILE_READ Read;
    EFI_FILE_WRITE Write;
    EFI_FILE_GET_POSITION GetPosition;
    EFI_FILE_SET_POSITION SetPosition;
    EFI_FILE_GET_INFO GetInfo;
    EFIX_UNUSED_FUNC SetInfo;
    EFIX_UNUSED_FUNC Flush;
    EFIX_UNUSED_FUNC OpenEx;
    EFIX_UNUSED_FUNC ReadEx;
    EFIX_UNUSED_FUNC WriteEx;
    EFIX_UNUSED_FUNC FlushEx;
};