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/*++
Copyright (c) 2004 - 2007, Intel Corporation
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
Module Name:
TianoSpecDevicePath.h
Abstract:
Tiano Device Path definitions in Tiano Spec.
--*/
#ifndef _TIANO_SPEC_DEVICE_PATH_H
#define _TIANO_SPEC_DEVICE_PATH_H
#pragma pack(1)
#if (EFI_SPECIFICATION_VERSION < 0x00020000)
//
// EFI Specification extension on Media Device Path
//
#define MEDIA_FV_FILEPATH_DP 0x06
typedef struct {
EFI_DEVICE_PATH_PROTOCOL Header;
EFI_GUID NameGuid;
} MEDIA_FW_VOL_FILEPATH_DEVICE_PATH;
#endif
#if (EFI_SPECIFICATION_VERSION == 0x00020000)
//
// For UEFI 2.0, use GUIDed PIWG device path to work-around EFI Specification extension on Media Device Path
//
typedef struct {
EFI_DEVICE_PATH_PROTOCOL Header;
EFI_GUID PiwgSpecificDevicePath;
UINT32 Type;
} PIWG_DEVICE_PATH;
#define PIWG_MEDIA_FW_VOL_FILEPATH_DEVICE_PATH_TYPE 0x01
typedef struct {
PIWG_DEVICE_PATH Piwg;
EFI_GUID NameGuid;
} MEDIA_FW_VOL_FILEPATH_DEVICE_PATH;
//
// Place holder for a future extension
//
#define PIWG_MEDIA_FW_VOL_DEVICE_PATH_TYPE 0x02
typedef struct {
PIWG_DEVICE_PATH Piwg;
EFI_GUID VolumeGuid;
} MEDIA_FW_VOL_DEVICE_PATH;
#endif
#if (EFI_SPECIFICATION_VERSION > 0x00020000)
//
// EFI Specification extension on Media Device Path was added to UEFI 2.1 specification,
// so the definition is moved to EfiDevicePath.h
//
#endif
#pragma pack()
#endif
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