windows-server-2003/base/ntos/inc/efiprot.h

#ifndef _EFI_PROT_H
#define _EFI_PROT_H

/*++

Copyright (c) 1998  Intel Corporation

Module Name:

    efiprot.h

Abstract:

    EFI Protocols



Revision History

--*/

/* 
 *  Device Path protocol
 */

#define DEVICE_PATH_PROTOCOL    \
    { 0x9576e91, 0x6d3f, 0x11d2, 0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b }


/* 
 *  Block IO protocol
 */

#define BLOCK_IO_PROTOCOL \
    { 0x964e5b21, 0x6459, 0x11d2, 0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b }
#define EFI_BLOCK_IO_INTERFACE_REVISION   0x00010000

INTERFACE_DECL(_EFI_BLOCK_IO);

typedef
EFI_STATUS
(EFIAPI *EFI_BLOCK_RESET) (
    IN struct _EFI_BLOCK_IO     *This,
    IN BOOLEAN                  ExtendedVerification
    );

typedef
EFI_STATUS
(EFIAPI *EFI_BLOCK_READ) (
    IN struct _EFI_BLOCK_IO     *This,
    IN UINT32                   MediaId,
    IN EFI_LBA                  LBA,
    IN UINTN                    BufferSize,
    OUT VOID                    *Buffer
    );


typedef
EFI_STATUS
(EFIAPI *EFI_BLOCK_WRITE) (
    IN struct _EFI_BLOCK_IO     *This,
    IN UINT32                   MediaId,
    IN EFI_LBA                  LBA,
    IN UINTN                    BufferSize,
    IN VOID                     *Buffer
    );


typedef
EFI_STATUS
(EFIAPI *EFI_BLOCK_FLUSH) (
    IN struct _EFI_BLOCK_IO     *This
    );



typedef struct {
    UINT32              MediaId;
    BOOLEAN             RemovableMedia;
    BOOLEAN             MediaPresent;

    BOOLEAN             LogicalPartition;
    BOOLEAN             ReadOnly;
    BOOLEAN             WriteCaching;

    UINT32              BlockSize;
    UINT32              IoAlign;

    EFI_LBA             LastBlock;
} EFI_BLOCK_IO_MEDIA;

typedef struct _EFI_BLOCK_IO {
    UINT64                  Revision;

    EFI_BLOCK_IO_MEDIA      *Media;

    EFI_BLOCK_RESET         Reset;
    EFI_BLOCK_READ          ReadBlocks;
    EFI_BLOCK_WRITE         WriteBlocks;
    EFI_BLOCK_FLUSH         FlushBlocks;

} EFI_BLOCK_IO;



/* 
 *  Disk Block IO protocol
 */

#define DISK_IO_PROTOCOL \
    { 0xce345171, 0xba0b, 0x11d2,  0x8e, 0x4f, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b }
#define EFI_DISK_IO_INTERFACE_REVISION   0x00010000

INTERFACE_DECL(_EFI_DISK_IO);

typedef
EFI_STATUS
(EFIAPI *EFI_DISK_READ) (
    IN struct _EFI_DISK_IO      *This,
    IN UINT32                   MediaId,
    IN UINT64                   Offset,
    IN UINTN                    BufferSize,
    OUT VOID                    *Buffer
    );


typedef
EFI_STATUS
(EFIAPI *EFI_DISK_WRITE) (
    IN struct _EFI_DISK_IO      *This,
    IN UINT32                   MediaId,
    IN UINT64                   Offset,
    IN UINTN                    BufferSize,
    IN VOID                     *Buffer
    );


typedef struct _EFI_DISK_IO {
    UINT64              Revision;
    EFI_DISK_READ       ReadDisk;
    EFI_DISK_WRITE      WriteDisk;
} EFI_DISK_IO;


/* 
 *  Simple file system protocol
 */

#define SIMPLE_FILE_SYSTEM_PROTOCOL \
    { 0x964e5b22, 0x6459, 0x11d2, 0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b }

INTERFACE_DECL(_EFI_FILE_IO_INTERFACE);
INTERFACE_DECL(_EFI_FILE_HANDLE);

typedef
EFI_STATUS
(EFIAPI *EFI_VOLUME_OPEN) (
    IN struct _EFI_FILE_IO_INTERFACE    *This,
    OUT struct _EFI_FILE_HANDLE         **Root
    );

#define EFI_FILE_IO_INTERFACE_REVISION   0x00010000

typedef struct _EFI_FILE_IO_INTERFACE {
    UINT64                  Revision;
    EFI_VOLUME_OPEN         OpenVolume;
} EFI_FILE_IO_INTERFACE;

/* 
 * 
 */

typedef
EFI_STATUS
(EFIAPI *EFI_FILE_OPEN) (
    IN struct _EFI_FILE_HANDLE  *File,
    OUT struct _EFI_FILE_HANDLE **NewHandle,
    IN CHAR16                   *FileName,
    IN UINT64                   OpenMode,
    IN UINT64                   Attributes
    );

/*  Open modes */
#define EFI_FILE_MODE_READ      0x0000000000000001
#define EFI_FILE_MODE_WRITE     0x0000000000000002
#define EFI_FILE_MODE_CREATE    0x8000000000000000

/*  File attributes */
#define EFI_FILE_READ_ONLY      0x0000000000000001
#define EFI_FILE_HIDDEN         0x0000000000000002
#define EFI_FILE_SYSTEM         0x0000000000000004
#define EFI_FILE_RESERVIED      0x0000000000000008
#define EFI_FILE_DIRECTORY      0x0000000000000010
#define EFI_FILE_ARCHIVE        0x0000000000000020
#define EFI_FILE_VALID_ATTR     0x0000000000000037

typedef
EFI_STATUS
(EFIAPI *EFI_FILE_CLOSE) (
    IN struct _EFI_FILE_HANDLE  *File
    );

typedef
EFI_STATUS
(EFIAPI *EFI_FILE_DELETE) (
    IN struct _EFI_FILE_HANDLE  *File
    );

typedef
EFI_STATUS
(EFIAPI *EFI_FILE_READ) (
    IN struct _EFI_FILE_HANDLE  *File,
    IN OUT UINTN                *BufferSize,
    OUT VOID                    *Buffer
    );

typedef
EFI_STATUS
(EFIAPI *EFI_FILE_WRITE) (
    IN struct _EFI_FILE_HANDLE  *File,
    IN OUT UINTN                *BufferSize,
    IN VOID                     *Buffer
    );

typedef
EFI_STATUS
(EFIAPI *EFI_FILE_SET_POSITION) (
    IN struct _EFI_FILE_HANDLE  *File,
    IN UINT64                   Position
    );

typedef
EFI_STATUS
(EFIAPI *EFI_FILE_GET_POSITION) (
    IN struct _EFI_FILE_HANDLE  *File,
    OUT UINT64                  *Position
    );

typedef
EFI_STATUS
(EFIAPI *EFI_FILE_GET_INFO) (
    IN struct _EFI_FILE_HANDLE  *File,
    IN EFI_GUID                 *InformationType,
    IN OUT UINTN                *BufferSize,
    OUT VOID                    *Buffer
    );

typedef
EFI_STATUS
(EFIAPI *EFI_FILE_SET_INFO) (
    IN struct _EFI_FILE_HANDLE  *File,
    IN EFI_GUID                 *InformationType,
    IN UINTN                    BufferSize,
    IN VOID                     *Buffer
    );

typedef
EFI_STATUS
(EFIAPI *EFI_FILE_FLUSH) (
    IN struct _EFI_FILE_HANDLE  *File
    );



#define EFI_FILE_HANDLE_REVISION         0x00010000
typedef struct _EFI_FILE_HANDLE {
    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;
} EFI_FILE, *EFI_FILE_HANDLE;


/* 
 *  File information types
 */

#define EFI_FILE_INFO_ID   \
    { 0x9576e92, 0x6d3f, 0x11d2, 0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b }

typedef struct {
    UINT64                  Size;
    UINT64                  FileSize;
    UINT64                  PhysicalSize;
    EFI_TIME                CreateTime;
    EFI_TIME                LastAccessTime;
    EFI_TIME                ModificationTime;
    UINT64                  Attribute;
    CHAR16                  FileName[1];
} EFI_FILE_INFO;

/* 
 *  The FileName field of the EFI_FILE_INFO data structure is variable length.
 *  Whenever code needs to know the size of the EFI_FILE_INFO data structure, it needs to
 *  be the size of the data structure without the FileName field.  The following macro 
 *  computes this size correctly no matter how big the FileName array is declared.
 *  This is required to make the EFI_FILE_INFO data structure ANSI compilant. 
 */

#define SIZE_OF_EFI_FILE_INFO EFI_FIELD_OFFSET(EFI_FILE_INFO,FileName)

#define EFI_FILE_SYSTEM_INFO_ID    \
    { 0x9576e93, 0x6d3f, 0x11d2, 0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b }

typedef struct {
    UINT64                  Size;
    BOOLEAN                 ReadOnly;
    UINT64                  VolumeSize;
    UINT64                  FreeSpace;
    UINT32                  BlockSize;
    CHAR16                  VolumeLabel[1];
} EFI_FILE_SYSTEM_INFO;

/* 
 *  The VolumeLabel field of the EFI_FILE_SYSTEM_INFO data structure is variable length.
 *  Whenever code needs to know the size of the EFI_FILE_SYSTEM_INFO data structure, it needs
 *  to be the size of the data structure without the VolumeLable field.  The following macro 
 *  computes this size correctly no matter how big the VolumeLable array is declared.
 *  This is required to make the EFI_FILE_SYSTEM_INFO data structure ANSI compilant. 
 */

#define SIZE_OF_EFI_FILE_SYSTEM_INFO EFI_FIELD_OFFSET(EFI_FILE_SYSTEM_INFO,VolumeLabel)

#define EFI_FILE_SYSTEM_VOLUME_LABEL_INFO_ID    \
    { 0xDB47D7D3,0xFE81, 0x11d3, 0x9A, 0x35, 0x00, 0x90, 0x27, 0x3F, 0xC1, 0x4D }

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

#define SIZE_OF_EFI_FILE_SYSTEM_VOLUME_LABEL_INFO EFI_FIELD_OFFSET(EFI_FILE_SYSTEM_VOLUME_LABEL_INFO,VolumeLabel)

/* 
 *  Load file protocol
 */


#define LOAD_FILE_PROTOCOL \
    { 0x56EC3091, 0x954C, 0x11d2, 0x8E, 0x3F, 0x00, 0xA0, 0xC9, 0x69, 0x72, 0x3B }

INTERFACE_DECL(_EFI_LOAD_FILE_INTERFACE);

typedef
EFI_STATUS
(EFIAPI *EFI_LOAD_FILE) (
    IN struct _EFI_LOAD_FILE_INTERFACE  *This,
    IN EFI_DEVICE_PATH                  *FilePath,
    IN BOOLEAN                          BootPolicy,
    IN OUT UINTN                        *BufferSize,
    IN VOID                             *Buffer OPTIONAL
    );

typedef struct _EFI_LOAD_FILE_INTERFACE {
    EFI_LOAD_FILE                       LoadFile;
} EFI_LOAD_FILE_INTERFACE;


/* 
 *  Device IO protocol
 */

#define DEVICE_IO_PROTOCOL \
    { 0xaf6ac311, 0x84c3, 0x11d2, 0x8e, 0x3c, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b }

INTERFACE_DECL(_EFI_DEVICE_IO_INTERFACE);

typedef enum {
    IO_UINT8,
    IO_UINT16,
    IO_UINT32,
    IO_UINT64,
/* 
 *  Specification Change: Copy from MMIO to MMIO vs. MMIO to buffer, buffer to MMIO
 */
    MMIO_COPY_UINT8,
    MMIO_COPY_UINT16,
    MMIO_COPY_UINT32,
    MMIO_COPY_UINT64
} EFI_IO_WIDTH;

#define EFI_PCI_ADDRESS(_bus,_dev,_func) \
    ( (UINT64) ( (((UINTN)_bus) << 24) + (((UINTN)_dev) << 16) + (((UINTN)_func) << 8) ) )

typedef
EFI_STATUS
(EFIAPI *EFI_DEVICE_IO) (
    IN struct _EFI_DEVICE_IO_INTERFACE *This,
    IN EFI_IO_WIDTH                 Width,
    IN UINT64                       Address,
    IN UINTN                        Count,
    IN OUT VOID                     *Buffer
    );

typedef struct {
    EFI_DEVICE_IO                   Read;
    EFI_DEVICE_IO                   Write;
} EFI_IO_ACCESS;

typedef 
EFI_STATUS
(EFIAPI *EFI_PCI_DEVICE_PATH) (
    IN struct _EFI_DEVICE_IO_INTERFACE  *This,
    IN UINT64                           Address,
    IN OUT EFI_DEVICE_PATH              **PciDevicePath
    );

typedef enum {
    EfiBusMasterRead,
    EfiBusMasterWrite,
    EfiBusMasterCommonBuffer
} EFI_IO_OPERATION_TYPE;

typedef
EFI_STATUS
(EFIAPI *EFI_IO_MAP) (
    IN struct _EFI_DEVICE_IO_INTERFACE  *This,
    IN EFI_IO_OPERATION_TYPE            Operation,
    IN EFI_PHYSICAL_ADDRESS             *HostAddress,
    IN OUT UINTN                        *NumberOfBytes,
    OUT EFI_PHYSICAL_ADDRESS            *DeviceAddress,
    OUT VOID                            **Mapping
    );

typedef
EFI_STATUS
(EFIAPI *EFI_IO_UNMAP) (
    IN struct _EFI_DEVICE_IO_INTERFACE  *This,
    IN VOID                             *Mapping
    );

typedef
EFI_STATUS
(EFIAPI *EFI_IO_ALLOCATE_BUFFER) (
    IN struct _EFI_DEVICE_IO_INTERFACE  *This,
    IN EFI_ALLOCATE_TYPE                Type,
    IN EFI_MEMORY_TYPE                  MemoryType,
    IN UINTN                            Pages,
    IN OUT EFI_PHYSICAL_ADDRESS         *HostAddress
    );

typedef
EFI_STATUS
(EFIAPI *EFI_IO_FLUSH) (
    IN struct _EFI_DEVICE_IO_INTERFACE  *This
    );

typedef
EFI_STATUS
(EFIAPI *EFI_IO_FREE_BUFFER) (
    IN struct _EFI_DEVICE_IO_INTERFACE  *This,
    IN UINTN                            Pages,
    IN EFI_PHYSICAL_ADDRESS             HostAddress
    );

typedef struct _EFI_DEVICE_IO_INTERFACE {
    EFI_IO_ACCESS                       Mem;
    EFI_IO_ACCESS                       Io;
    EFI_IO_ACCESS                       Pci;
    EFI_IO_MAP                          Map;
    EFI_PCI_DEVICE_PATH                 PciDevicePath;
    EFI_IO_UNMAP                        Unmap;
    EFI_IO_ALLOCATE_BUFFER              AllocateBuffer;
    EFI_IO_FLUSH                        Flush;
    EFI_IO_FREE_BUFFER                  FreeBuffer;
} EFI_DEVICE_IO_INTERFACE;

/*
 *   PCI IO protocol
 */

#define EFI_PCI_IO_PROTOCOL \
    { 0x4cf5b200, 0x68b8, 0x4ca5, 0x9e, 0xec, 0xb2, 0x3e, 0x3f, 0x50, 0x2, 0x9a }

INTERFACE_DECL(_EFI_PCI_IO_INTERFACE);

typedef enum {
    EfiPciIoWidthUint8,
    EfiPciIoWidthUint16,
    EfiPciIoWidthUint32,
    EfiPciIoWidthUint64,
    EfiPciIoWidthFifoUint8,
    EfiPciIoWidthFifoUint16,
    EfiPciIoWidthFifoUint32,
    EfiPciIoWidthFifoUint64,
    EfiPciIoWidthFillUint8,
    EfiPciIoWidthFillUint16,
    EfiPciIoWidthFillUint32,
    EfiPciIoWidthFillUint64,
    EfiPciIoWidthMaximum
} EFI_PCI_IO_PROTOCOL_WIDTH;

typedef
EFI_STATUS
(EFIAPI *EFI_PCI_IO_PROTOCOL_POLL_IO_MEM) (
    IN struct _EFI_PCI_IO_INTERFACE  *This,
    IN EFI_PCI_IO_PROTOCOL_WIDTH     Width,
    IN UINT8                         BarIndex,
    IN UINT64                        Offset,
    IN UINT64                        Mask,
    IN UINT64                        Value,
    IN UINT64                        Delay,
    OUT UINT64                       *Result
);

typedef
EFI_STATUS
(EFIAPI *EFI_PCI_IO_PROTOCOL_IO_MEM) (
    IN struct _EFI_PCI_IO_INTERFACE  *This,
    IN EFI_PCI_IO_PROTOCOL_WIDTH     Width,
    IN UINT8                         BarIndex,
    IN UINT64                        Offset,
    IN UINTN                         Count,
    IN OUT VOID                      *Buffer
);

typedef struct {
    EFI_PCI_IO_PROTOCOL_IO_MEM      Read;
    EFI_PCI_IO_PROTOCOL_IO_MEM      Write;
} EFI_PCI_IO_PROTOCOL_ACCESS;

typedef
EFI_STATUS
(EFIAPI *EFI_PCI_IO_PROTOCOL_CONFIG) (
    IN struct _EFI_PCI_IO_INTERFACE    *This,
    IN EFI_PCI_IO_PROTOCOL_WIDTH       Width,
    IN UINT32                          Offset,
    IN UINTN                           Count,
    IN OUT VOID                        *Buffer
);

typedef struct {
    EFI_PCI_IO_PROTOCOL_CONFIG      Read;
    EFI_PCI_IO_PROTOCOL_CONFIG      Write;
} EFI_PCI_IO_PROTOCOL_CONFIG_ACCESS;

#define EFI_PCI_IO_ATTRIBUTE_ISA_MOTHERBOARD_IO 0x0001
#define EFI_PCI_IO_ATTRIBUTE_ISA_IO 0x0002
#define EFI_PCI_IO_ATTRIBUTE_VGA_PALETTE_IO 0x0004
#define EFI_PCI_IO_ATTRIBUTE_VGA_MEMORY 0x0008
#define EFI_PCI_IO_ATTRIBUTE_VGA_IO 0x0010
#define EFI_PCI_IO_ATTRIBUTE_IDE_PRIMARY_IO 0x0020
#define EFI_PCI_IO_ATTRIBUTE_IDE_SECONDARY_IO 0x0040
#define EFI_PCI_IO_ATTRIBUTE_MEMORY_WRITE_COMBINE 0x0080
#define EFI_PCI_IO_ATTRIBUTE_IO 0x0100
#define EFI_PCI_IO_ATTRIBUTE_MEMORY 0x0200
#define EFI_PCI_IO_ATTRIBUTE_BUS_MASTER 0x0400
#define EFI_PCI_IO_ATTRIBUTE_MEMORY_CACHED 0x0800
#define EFI_PCI_IO_ATTRIBUTE_MEMORY_DISABLE 0x1000
#define EFI_PCI_IO_ATTRIBUTE_EMBEDDED_DEVICE 0x2000
#define EFI_PCI_IO_ATTRIBUTE_EMBEDDED_ROM 0x4000

typedef enum {
    EfiPciIoOperationBusMasterRead,
    EfiPciIoOperationBusMasterWrite,
    EfiPciIoOperationBusMasterCommonBuffer,
    EfiPciIoOperationMaximum
} EFI_PCI_IO_PROTOCOL_OPERATION;

typedef
EFI_STATUS
(EFIAPI *EFI_PCI_IO_PROTOCOL_COPY_MEM) (
    IN struct _EFI_PCI_IO_INTERFACE      *This,
    IN EFI_PCI_IO_PROTOCOL_WIDTH         Width,
    IN UINT8                             DestBarIndex,
    IN UINT64                            DestOffset,
    IN UINT8                             SrcBarIndex,
    IN UINT64                            SrcOffset,
    IN UINTN                             Count
);

typedef
EFI_STATUS
(EFIAPI *EFI_PCI_IO_PROTOCOL_MAP) (
    IN struct _EFI_PCI_IO_INTERFACE   *This,
    IN EFI_PCI_IO_PROTOCOL_OPERATION  Operation,
    IN VOID                           *HostAddress,
    IN OUT UINTN                      *NumberOfBytes,
    OUT EFI_PHYSICAL_ADDRESS          *DeviceAddress,
    OUT VOID                          **Mapping
);

typedef
EFI_STATUS
(EFIAPI *EFI_PCI_IO_PROTOCOL_UNMAP) (
    IN struct _EFI_PCI_IO_INTERFACE   *This,
    IN VOID                           *Mapping
);

typedef
EFI_STATUS
(EFIAPI *EFI_PCI_IO_PROTOCOL_ALLOCATE_BUFFER) (
    IN struct _EFI_PCI_IO_INTERFACE  *This,
    IN EFI_ALLOCATE_TYPE             Type,
    IN EFI_MEMORY_TYPE               MemoryType,
    IN UINTN                         Pages,
    IN OUT VOID                      **HostAddress,
    IN UINT64                        Attributes
);

typedef
EFI_STATUS
(EFIAPI *EFI_PCI_IO_PROTOCOL_FREE_BUFFER) (
    IN struct _EFI_PCI_IO_INTERFACE *This,
    IN UINTN                        Pages,
    IN VOID                         *HostAddress
);

typedef
EFI_STATUS
(EFIAPI *EFI_PCI_IO_PROTOCOL_FLUSH) (
    IN struct _EFI_PCI_IO_INTERFACE   *This
);

typedef
EFI_STATUS
(EFIAPI *EFI_PCI_IO_PROTOCOL_GET_LOCATION) (
    IN struct _EFI_PCI_IO_INTERFACE *This,
    OUT UINTN              *SegmentNumber,
    OUT UINTN              *BusNumber,
    OUT UINTN              *DeviceNumber,
    OUT UINTN              *FunctionNumber
);

typedef enum {
    EfiPciIoAttributeOperationGet,
    EfiPciIoAttributeOperationSet,
    EfiPciIoAttributeOperationEnable,
    EfiPciIoAttributeOperationDisable,
    EfiPciIoAttributeOperationSupported,
    EfiPciIoAttributeOperationMaximum
} EFI_PCI_IO_PROTOCOL_ATTRIBUTE_OPERATION;

typedef
EFI_STATUS
(EFIAPI *EFI_PCI_IO_PROTOCOL_ATTRIBUTES) (
    IN struct _EFI_PCI_IO_INTERFACE             *This,
    IN EFI_PCI_IO_PROTOCOL_ATTRIBUTE_OPERATION  Operation,
    IN UINT64                                   Attributes,
    OUT UINT64                                  *Result OPTIONAL
);

typedef
EFI_STATUS
(EFIAPI *EFI_PCI_IO_PROTOCOL_GET_BAR_ATTRIBUTES) (
    IN struct _EFI_PCI_IO_INTERFACE *This,
    IN UINT8                        BarIndex,
    OUT UINT64                      *Supports OPTIONAL,
    OUT VOID                        **Resources OPTIONAL
);

typedef
EFI_STATUS
(EFIAPI *EFI_PCI_IO_PROTOCOL_SET_BAR_ATTRIBUTES) (
    IN struct _EFI_PCI_IO_INTERFACE *This,
    IN UINT64                       Attributes,
    IN UINT8                        BarIndex,
    IN OUT UINT64                   *Offset,
    IN OUT UINT64                   *Length
);


typedef struct _EFI_PCI_IO_INTERFACE {
     EFI_PCI_IO_PROTOCOL_POLL_IO_MEM PollMem;
     EFI_PCI_IO_PROTOCOL_POLL_IO_MEM PollIo;
     EFI_PCI_IO_PROTOCOL_ACCESS Mem;
     EFI_PCI_IO_PROTOCOL_ACCESS Io;
     EFI_PCI_IO_PROTOCOL_CONFIG_ACCESS Pci;
     EFI_PCI_IO_PROTOCOL_COPY_MEM CopyMem;
     EFI_PCI_IO_PROTOCOL_MAP Map;
     EFI_PCI_IO_PROTOCOL_UNMAP Unmap;
     EFI_PCI_IO_PROTOCOL_ALLOCATE_BUFFER AllocateBuffer;
     EFI_PCI_IO_PROTOCOL_FREE_BUFFER FreeBuffer;
     EFI_PCI_IO_PROTOCOL_FLUSH Flush;
     EFI_PCI_IO_PROTOCOL_GET_LOCATION GetLocation;
     EFI_PCI_IO_PROTOCOL_ATTRIBUTES Attributes;
     EFI_PCI_IO_PROTOCOL_GET_BAR_ATTRIBUTES GetBarAttributes;
     EFI_PCI_IO_PROTOCOL_SET_BAR_ATTRIBUTES SetBarAttributes;
     UINT64 RomSize;
     VOID *RomImage;
} EFI_PCI_IO_INTERFACE;


/* 
 *  Unicode Collation protocol
 */

#define UNICODE_COLLATION_PROTOCOL \
    { 0x1d85cd7f, 0xf43d, 0x11d2, 0x9a, 0xc,  0x0, 0x90, 0x27, 0x3f, 0xc1, 0x4d }

#define UNICODE_BYTE_ORDER_MARK       (CHAR16)(0xfeff)

INTERFACE_DECL(_EFI_UNICODE_COLLATION_INTERFACE);

typedef
INTN
(EFIAPI *EFI_UNICODE_STRICOLL) (
    IN struct _EFI_UNICODE_COLLATION_INTERFACE  *This,
    IN CHAR16                         *s1,
    IN CHAR16                         *s2
    );

typedef
BOOLEAN
(EFIAPI *EFI_UNICODE_METAIMATCH) (
    IN struct _EFI_UNICODE_COLLATION_INTERFACE  *This,
    IN CHAR16                         *String,
    IN CHAR16                         *Pattern
    );

typedef
VOID
(EFIAPI *EFI_UNICODE_STRLWR) (
    IN struct _EFI_UNICODE_COLLATION_INTERFACE  *This,
    IN OUT CHAR16                       *Str
    );

typedef
VOID
(EFIAPI *EFI_UNICODE_STRUPR) (
    IN struct _EFI_UNICODE_COLLATION_INTERFACE  *This,
    IN OUT CHAR16                       *Str
    );

typedef
VOID
(EFIAPI *EFI_UNICODE_FATTOSTR) (
    IN struct _EFI_UNICODE_COLLATION_INTERFACE  *This,
    IN UINTN                            FatSize,
    IN CHAR8                            *Fat,
    OUT CHAR16                          *String
    );

typedef
BOOLEAN
(EFIAPI *EFI_UNICODE_STRTOFAT) (
    IN struct _EFI_UNICODE_COLLATION_INTERFACE  *This,
    IN CHAR16                           *String,
    IN UINTN                            FatSize,
    OUT CHAR8                           *Fat
    );


typedef struct _EFI_UNICODE_COLLATION_INTERFACE {

    /*  general */
    EFI_UNICODE_STRICOLL                StriColl;
    EFI_UNICODE_METAIMATCH              MetaiMatch;
    EFI_UNICODE_STRLWR                  StrLwr;
    EFI_UNICODE_STRUPR                  StrUpr;

    /*  for supporting fat volumes */
    EFI_UNICODE_FATTOSTR                FatToStr;
    EFI_UNICODE_STRTOFAT                StrToFat;

    CHAR8                               *SupportedLanguages;
} EFI_UNICODE_COLLATION_INTERFACE;

#endif