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//**********************************************************************
//**********************************************************************
//** **
//** (C)Copyright 1985-2005, American Megatrends, Inc. **
//** **
//** All Rights Reserved. **
//** **
//** 6145-F Northbelt Pkwy, Norcross, GA 30071 **
//** **
//** Phone: (770)-246-8600 **
//** **
//**********************************************************************
//**********************************************************************
//**********************************************************************
// $Header: /Alaska/BIN/Core/Include/Protocol/DiskIo.h 4 4/20/07 3:47p Robert $
//
// $Revision: 4 $
//
// $Date: 4/20/07 3:47p $
//**********************************************************************
// Revision History
// ----------------
// $Log: /Alaska/BIN/Core/Include/Protocol/DiskIo.h $
//
// 4 4/20/07 3:47p Robert
// Updated File header for Coding standard compliance
//
// 3 3/13/06 1:40a Felixp
//
// 2 3/04/05 10:34a Mandal
//
// 1 1/28/05 12:44p Felixp
//
// 2 1/18/05 3:22p Felixp
// PrintDebugMessage renamed to Trace
//
// 1 12/23/04 9:41a Felixp
//
// 1 8/19/04 6:26p Robert
//
// 1 1/26/04 3:25p Markw
//
//**********************************************************************
//<AMI_FHDR_START>
//
// Name: DiskIo.h
//
// Description: Contains Function Prototypes and Data Structures for
// the DiskIo Protocol
//
//<AMI_FHDR_END>
//**********************************************************************
#ifndef __DISK_IO_PROTOCOL_H__
#define __DISK_IO_PROTOCOL_H__
#ifdef __cplusplus
extern "C" {
#endif
#include <EFI.h>
#define EFI_DISK_IO_PROTOCOL_GUID \
{ 0xCE345171, 0xBA0B, 0x11d2, 0x8e, 0x4F, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b }
GUID_VARIABLE_DECLARATION(gEfiDiskIoProtocolGuid, EFI_DISK_IO_PROTOCOL_GUID);
#define EFI_DISK_IO_PROTOCOL_REVISION 0x00010000
typedef struct _EFI_DISK_IO_PROTOCOL EFI_DISK_IO_PROTOCOL;
//=============================================================================
// Function Prototypes
//=============================================================================
// Function: ReadDisk
//
// Description: rreads the number of bytes specified by BufferSize from the device
//
// Inputs:
// This - Indicates a pointer to the calling context.
// MediaId - ID of the medium to be read.
// Offset - The starting byte offset on the logical block I/O device to read from.
// BufferSize - The size in bytes of Buffer. The number of bytes to read from
// the device.
//
// Outputs: Returns EFI_STATUS
// Buffer - A pointer to the destination buffer for the data. The caller is responsible
// for either having implicit or explicit ownership of the buffer.
//
// Notes:
//
//=============================================================================
typedef EFI_STATUS (*EFI_DISK_READ) (
IN EFI_DISK_IO_PROTOCOL *This,
IN UINT32 MediaId,
IN UINT64 Offset,
IN UINTN BufferSize,
OUT VOID *Buffer
);
//=============================================================================
// Function: WriteDisk
//
// Description: writes the number of bytes specified by BufferSize to the device
//
// Inputs:
// This - Indicates a pointer to the calling context.
// MediaId - ID of the medium to be read.
// Offset - The starting byte offset on the logical block I/O device to read from.
// BufferSize - The size in bytes of Buffer. The number of bytes to read from
// the device.
// Buffer - A pointer to the destination buffer for the data. The caller is responsible
// for either having implicit or explicit ownership of the buffer.
//
// Outputs: Returns EFI_STATUS
//
// Notes:
//
//=============================================================================
typedef EFI_STATUS (*EFI_DISK_WRITE) (
IN EFI_DISK_IO_PROTOCOL *This,
IN UINT32 MediaId,
IN UINT64 Offset,
IN UINTN BufferSize,
IN VOID *Buffer
);
//=============================================================================
// Protocol Definition
typedef struct _EFI_DISK_IO_PROTOCOL {
UINT64 Revision;
EFI_DISK_READ ReadDisk;
EFI_DISK_WRITE WriteDisk;
} EFI_DISK_IO_PROTOCOL;
/****** DO NOT WRITE BELOW THIS LINE *******/
#ifdef __cplusplus
}
#endif
#endif
//**********************************************************************
//**********************************************************************
//** **
//** (C)Copyright 1985-2005, American Megatrends, Inc. **
//** **
//** All Rights Reserved. **
//** **
//** 6145-F Northbelt Pkwy, Norcross, GA 30071 **
//** **
//** Phone: (770)-246-8600 **
//** **
//**********************************************************************
//**********************************************************************
|
