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/*++
Copyright (c) 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:
FvbInfo.c
Abstract:
Defines data structure that is the volume header found.These data is intent
to decouple FVB driver with FV header.
--*/
#include "FlashLayout.h"
#define FIRMWARE_BLOCK_SIZE 0x10000
typedef struct {
UINT64 FvLength;
EFI_FIRMWARE_VOLUME_HEADER FvbInfo;
//
// EFI_FV_BLOCK_MAP_ENTRY ExtraBlockMap[n];//n=0
//
EFI_FV_BLOCK_MAP_ENTRY End[1];
} EFI_FVB_MEDIA_INFO;
#define FVB_MEDIA_BLOCK_SIZE FIRMWARE_BLOCK_SIZE
#define RECOVERY_BOIS_BLOCK_NUM FIRMWARE_BLOCK_NUMBER
#define SYSTEM_NV_BLOCK_NUM 2
EFI_FVB_MEDIA_INFO mPlatformFvbMediaInfo[] = {
//
// Recovery BOIS FVB
//
{
EFI_WINNT_FIRMWARE_LENGTH,
{
{
0,
}, // ZeroVector[16]
EFI_FIRMWARE_FILE_SYSTEM_GUID,
FVB_MEDIA_BLOCK_SIZE * RECOVERY_BOIS_BLOCK_NUM,
EFI_FVH_SIGNATURE,
EFI_FVB_READ_ENABLED_CAP |
EFI_FVB_READ_STATUS |
EFI_FVB_WRITE_ENABLED_CAP |
EFI_FVB_WRITE_STATUS |
EFI_FVB_ERASE_POLARITY,
sizeof (EFI_FIRMWARE_VOLUME_HEADER) + sizeof (EFI_FV_BLOCK_MAP_ENTRY),
0, // CheckSum
{
0,
}, // Reserved[3]
1, // Revision
{
RECOVERY_BOIS_BLOCK_NUM,
FVB_MEDIA_BLOCK_SIZE,
}
},
{
0,
0
}
},
//
// Systen NvStorage FVB
//
{
EFI_WINNT_RUNTIME_UPDATABLE_LENGTH + EFI_WINNT_FTW_SPARE_BLOCK_LENGTH,
{
{
0,
}, // ZeroVector[16]
EFI_SYSTEM_NV_DATA_HOB_GUID,
FVB_MEDIA_BLOCK_SIZE * SYSTEM_NV_BLOCK_NUM,
EFI_FVH_SIGNATURE,
EFI_FVB_READ_ENABLED_CAP |
EFI_FVB_READ_STATUS |
EFI_FVB_WRITE_ENABLED_CAP |
EFI_FVB_WRITE_STATUS |
EFI_FVB_ERASE_POLARITY,
sizeof (EFI_FIRMWARE_VOLUME_HEADER) + sizeof (EFI_FV_BLOCK_MAP_ENTRY),
0, // CheckSum
{
0,
}, // Reserved[3]
1, // Revision
{
SYSTEM_NV_BLOCK_NUM,
FVB_MEDIA_BLOCK_SIZE,
}
},
{
0,
0
}
}
};
EFI_STATUS
GetFvbInfo (
IN UINT64 FvLength,
OUT EFI_FIRMWARE_VOLUME_HEADER **FvbInfo
)
{
UINTN Index;
for (Index = 0; Index < sizeof (mPlatformFvbMediaInfo) / sizeof (EFI_FVB_MEDIA_INFO); Index += 1) {
if (mPlatformFvbMediaInfo[Index].FvLength == FvLength) {
*FvbInfo = &mPlatformFvbMediaInfo[Index].FvbInfo;
return EFI_SUCCESS;
}
}
return EFI_NOT_FOUND;
}
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