NetworkPkg: Move Network library header file from MdeModulePkg to NetworkPkg

[mirror_edk2.git] / OvmfPkg / QemuFlashFvbServicesRuntimeDxe / FvbInfo.c

/**@file\r
\r
  Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>\r
\r
  SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
  Module Name:\r
\r
    FvbInfo.c\r
\r
  Abstract:\r
\r
    Defines data structure that is the volume header found.These data is intent\r
    to decouple FVB driver with FV header.\r
\r
**/\r
\r
//\r
// The package level header files this module uses\r
//\r
#include <Pi/PiFirmwareVolume.h>\r
\r
//\r
// The protocols, PPI and GUID defintions for this module\r
//\r
#include <Guid/SystemNvDataGuid.h>\r
//\r
// The Library classes this module consumes\r
//\r
#include <Library/BaseLib.h>\r
#include <Library/PcdLib.h>\r
\r
typedef struct {\r
  UINT64                      FvLength;\r
  EFI_FIRMWARE_VOLUME_HEADER  FvbInfo;\r
  //\r
  // EFI_FV_BLOCK_MAP_ENTRY    ExtraBlockMap[n];//n=0\r
  //\r
  EFI_FV_BLOCK_MAP_ENTRY      End[1];\r
} EFI_FVB_MEDIA_INFO;\r
\r
EFI_FVB_MEDIA_INFO  mPlatformFvbMediaInfo[] = {\r
  //\r
  // Systen NvStorage FVB\r
  //\r
  {\r
    FixedPcdGet32 (PcdFlashNvStorageVariableSize) +\r
    FixedPcdGet32 (PcdFlashNvStorageFtwWorkingSize) +\r
    FixedPcdGet32 (PcdFlashNvStorageFtwSpareSize) +\r
    FixedPcdGet32 (PcdOvmfFlashNvStorageEventLogSize),\r
    {\r
      {\r
        0,\r
      },  // ZeroVector[16]\r
      EFI_SYSTEM_NV_DATA_FV_GUID,\r
      FixedPcdGet32 (PcdFlashNvStorageVariableSize) +\r
      FixedPcdGet32 (PcdFlashNvStorageFtwWorkingSize) +\r
      FixedPcdGet32 (PcdFlashNvStorageFtwSpareSize) +\r
      FixedPcdGet32 (PcdOvmfFlashNvStorageEventLogSize),\r
      EFI_FVH_SIGNATURE,\r
      EFI_FVB2_MEMORY_MAPPED |\r
        EFI_FVB2_READ_ENABLED_CAP |\r
        EFI_FVB2_READ_STATUS |\r
        EFI_FVB2_WRITE_ENABLED_CAP |\r
        EFI_FVB2_WRITE_STATUS |\r
        EFI_FVB2_ERASE_POLARITY |\r
        EFI_FVB2_ALIGNMENT_16,\r
      sizeof (EFI_FIRMWARE_VOLUME_HEADER) + sizeof (EFI_FV_BLOCK_MAP_ENTRY),\r
      0,  // CheckSum\r
      0,  // ExtHeaderOffset\r
      {\r
        0,\r
      },  // Reserved[1]\r
      2,  // Revision\r
      {\r
        {\r
          (FixedPcdGet32 (PcdFlashNvStorageVariableSize) +\r
           FixedPcdGet32 (PcdFlashNvStorageFtwWorkingSize) +\r
           FixedPcdGet32 (PcdFlashNvStorageFtwSpareSize) +\r
           FixedPcdGet32 (PcdOvmfFlashNvStorageEventLogSize)) /\r
          FixedPcdGet32 (PcdOvmfFirmwareBlockSize),\r
          FixedPcdGet32 (PcdOvmfFirmwareBlockSize),\r
        }\r
      } // BlockMap[1]\r
    },\r
    {\r
      {\r
        0,\r
        0\r
      }\r
    }  // End[1]\r
  }\r
};\r
\r
EFI_STATUS\r
GetFvbInfo (\r
  IN  UINT64                        FvLength,\r
  OUT EFI_FIRMWARE_VOLUME_HEADER    **FvbInfo\r
  )\r
{\r
  STATIC BOOLEAN Checksummed = FALSE;\r
  UINTN Index;\r
\r
  if (!Checksummed) {\r
    for (Index = 0;\r
         Index < sizeof (mPlatformFvbMediaInfo) / sizeof (EFI_FVB_MEDIA_INFO);\r
         Index += 1) {\r
      UINT16 Checksum;\r
      mPlatformFvbMediaInfo[Index].FvbInfo.Checksum = 0;\r
      Checksum = CalculateCheckSum16 (\r
                   (UINT16*) &mPlatformFvbMediaInfo[Index].FvbInfo,\r
                   mPlatformFvbMediaInfo[Index].FvbInfo.HeaderLength\r
                   );\r
      mPlatformFvbMediaInfo[Index].FvbInfo.Checksum = Checksum;\r
    }\r
    Checksummed = TRUE;\r
  }\r
\r
  for (Index = 0;\r
       Index < sizeof (mPlatformFvbMediaInfo) / sizeof (EFI_FVB_MEDIA_INFO);\r
       Index += 1) {\r
    if (mPlatformFvbMediaInfo[Index].FvLength == FvLength) {\r
      *FvbInfo = &mPlatformFvbMediaInfo[Index].FvbInfo;\r
      return EFI_SUCCESS;\r
    }\r
  }\r
\r
  return EFI_NOT_FOUND;\r
}\r