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