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Diffstat (limited to 'EDK/Foundation/Include/EfiFlashMap.h')
| -rw-r--r-- | EDK/Foundation/Include/EfiFlashMap.h | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/EDK/Foundation/Include/EfiFlashMap.h b/EDK/Foundation/Include/EfiFlashMap.h new file mode 100644 index 0000000..a660afc --- /dev/null +++ b/EDK/Foundation/Include/EfiFlashMap.h @@ -0,0 +1,111 @@ +/*++ + +Copyright (c) 2004 - 2006, 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: + + EfiFlashMap.h + +Abstract: + + Defines for the EFI Flash Map functionality + +--*/ + +#ifndef _EFI_FLASHMAP_H_ +#define _EFI_FLASHMAP_H_ + +#include "PeiHob.h" + +// +// Definition for flash map GUIDed HOBs +// +typedef UINT32 EFI_FLASH_AREA_ATTRIBUTES; + +#define EFI_FLASH_AREA_FV 0x0001 +#define EFI_FLASH_AREA_SUBFV 0x0002 +#define EFI_FLASH_AREA_MEMMAPPED_FV 0x0004 +#define EFI_FLASH_AREA_REQUIRED 0x0008 +#define EFI_FLASH_AREA_CORRUPT 0x0010 + +typedef UINT8 EFI_FLASH_AREA_TYPE; + +#define EFI_FLASH_AREA_RECOVERY_BIOS 0x0 // Recovery code +#define EFI_FLASH_AREA_MAIN_BIOS 0x1 // Regular BIOS code +#define EFI_FLASH_AREA_PAL_B 0x2 // PAL-B +#define EFI_FLASH_AREA_RESERVED_03 0x3 // Reserved for backwards compatibility +#define EFI_FLASH_AREA_RESERVED_04 0x4 // Reserved for backwards compatibility +#define EFI_FLASH_AREA_DMI_FRU 0x5 // DMI FRU information +#define EFI_FLASH_AREA_OEM_BINARY 0x6 // OEM Binary Code/data +#define EFI_FLASH_AREA_RESERVED_07 0x7 // Reserved for backwards compatibility +#define EFI_FLASH_AREA_RESERVED_08 0x8 // Reserved for backwards compatibility +#define EFI_FLASH_AREA_RESERVED_09 0x9 // Reserved for backwards compatibility +#define EFI_FLASH_AREA_RESERVED_0A 0x0a // Reserved for backwards compatibility +#define EFI_FLASH_AREA_EFI_VARIABLES 0x0b // EFI variables +#define EFI_FLASH_AREA_MCA_LOG 0x0c // MCA error log +#define EFI_FLASH_AREA_SMBIOS_LOG 0x0d // SMBIOS error log +#define EFI_FLASH_AREA_FTW_BACKUP 0x0e // A backup block during FTW operations +#define EFI_FLASH_AREA_FTW_STATE 0x0f // State information during FTW operations +#define EFI_FLASH_AREA_UNUSED 0x0fd // Not used +#define EFI_FLASH_AREA_GUID_DEFINED 0x0fe // Usage defined by a GUID +#pragma pack(1) +// +// An individual sub-area Entry. +// A single flash area may consist of more than one sub-area. +// +typedef struct { + EFI_FLASH_AREA_ATTRIBUTES Attributes; + UINT32 Reserved; + EFI_PHYSICAL_ADDRESS Base; + EFI_PHYSICAL_ADDRESS Length; + EFI_GUID FileSystem; +} EFI_FLASH_SUBAREA_ENTRY; + +typedef struct { + UINT8 Reserved[3]; + EFI_FLASH_AREA_TYPE AreaType; + EFI_GUID AreaTypeGuid; + UINT32 NumEntries; + EFI_FLASH_SUBAREA_ENTRY Entries[1]; +} EFI_FLASH_MAP_ENTRY_DATA; + +typedef struct { + EFI_HOB_GENERIC_HEADER Header; + EFI_GUID Name; + UINT8 Reserved[3]; + EFI_FLASH_AREA_TYPE AreaType; + EFI_GUID AreaTypeGuid; + UINT32 NumEntries; + EFI_FLASH_SUBAREA_ENTRY Entries[1]; +} EFI_HOB_FLASH_MAP_ENTRY_TYPE; + +// +// Internal definitions +// +typedef struct { + UINT8 Reserved[3]; + EFI_FLASH_AREA_TYPE AreaType; + EFI_GUID AreaTypeGuid; + UINT32 NumberOfEntries; + EFI_FLASH_SUBAREA_ENTRY SubAreaData; +} EFI_FLASH_AREA_HOB_DATA; + +typedef struct { + UINTN Base; + UINTN Length; + EFI_FLASH_AREA_ATTRIBUTES Attributes; + EFI_FLASH_AREA_TYPE AreaType; + UINT8 Reserved[3]; + EFI_GUID AreaTypeGuid; +} EFI_FLASH_AREA_DATA; + +#pragma pack() + +#endif // #ifndef _EFI_FLASHMAP_H_ |