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Diffstat (limited to 'Include/Protocol/DiskIo.h')
| -rw-r--r-- | Include/Protocol/DiskIo.h | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/Include/Protocol/DiskIo.h b/Include/Protocol/DiskIo.h new file mode 100644 index 0000000..c06b811 --- /dev/null +++ b/Include/Protocol/DiskIo.h @@ -0,0 +1,160 @@ +//********************************************************************** +//********************************************************************** +//** ** +//** (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 ** +//** ** +//********************************************************************** +//********************************************************************** |