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/** @file
**/
#include <Tiano.h>
#include <EfiDriverLib.h>
#include EFI_GUID_DEFINITION(DataHubRecords)
#include EFI_PROTOCOL_CONSUMER(DataHub)
#include EFI_PROTOCOL_CONSUMER(ExitPmAuth)
#include <RcFviDxeLib.h>
#include <Protocol\SMBios.h>
#pragma pack(1)
typedef struct {
UINT8 Type;
UINT8 Length;
UINT16 Handle;
UINT8 GroupName;
} SMBIOS_TYPE14_STRUCTURE_HDR;
typedef struct {
UINT8 Type;
UINT16 Handle;
} SMBIOS_TYPE14_STRUCTURE_ITEM;
#pragma pack()
VOID CreateFirmwareVerInfo(IN EFI_EVENT Event, IN VOID *Context);
EFI_SMBIOS_PROTOCOL *gSmbiosProtocol = NULL;
/**
The user Entry Point for DXE driver. The user code starts with this function
as the real entry point for the image goes into a library that calls this
function.
@param[in] ImageHandle The firmware allocated handle for the EFI image.
@param[in] SystemTable A pointer to the EFI System Table.
@retval EFI_SUCCESS The entry point is executed successfully.
@retval other Some error occurs when executing this entry point.
**/
EFI_STATUS
EFIAPI
FirmwareVerInfoEntryPoint (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
EFI_GUID gEfiSmbiosProtocolGuid = EFI_SMBIOS_PROTOCOL_GUID;
EFI_EVENT Event;
DxeInitializeDriverLib (ImageHandle, SystemTable);
Status = gBS->LocateProtocol(&gEfiSmbiosProtocolGuid, NULL, &gSmbiosProtocol);
ASSERT_EFI_ERROR(Status);
if (!EFI_ERROR(Status))
{
Status = EfiCreateEventReadyToBoot(
EFI_TPL_CALLBACK,
CreateFirmwareVerInfo,
NULL,
&Event
);
ASSERT_EFI_ERROR (Status);
}
return EFI_SUCCESS;
}
EFI_STATUS BuildFviStruct(BOOLEAN GroupAssociation, EFI_DATA_RECORD_HEADER *Record)
{
static VOID *FviStructBuffer = NULL;
static UINTN FviStructBufferSize = 0;
static UINTN FviStructSize = 0;
static UINTN ElementCount = 0;
EFI_STATUS Status;
EFI_SUBCLASS_TYPE1_HEADER *DataHeader = NULL;
FVI_HEADER *FviHeader = NULL;
UINT16 BufferSize = 0;
SMBIOS_TYPE14_STRUCTURE_HDR *SmbiosHdr = NULL;
SMBIOS_TYPE14_STRUCTURE_ITEM *ItemPtr = NULL;
CHAR8 GroupName[] = "Firmware Version Info\0";
if (GroupAssociation)
{
if ((FviStructBuffer == NULL) && (FviStructSize > sizeof(SMBIOS_TYPE14_STRUCTURE_HDR)))
{
return EFI_UNSUPPORTED;
}
SmbiosHdr = (SMBIOS_TYPE14_STRUCTURE_HDR *)FviStructBuffer;
SmbiosHdr->Type = 14;
SmbiosHdr->Length = (UINT8)FviStructSize;
SmbiosHdr->Handle = 0xFFFF;
SmbiosHdr->GroupName = 0x01;
EfiAsciiStrCpy((CHAR8 *)((UINT8 *)FviStructBuffer+FviStructSize), GroupName);
FviStructSize += sizeof(GroupName);
Status = gSmbiosProtocol->SmbiosAddStructure((UINT8 *)SmbiosHdr, (UINT16)(FviStructSize));
if (!EFI_ERROR(Status))
{
gBS->FreePool(FviStructBuffer);
FviStructBuffer = NULL;
}
return Status;
}
if (Record == NULL)
{
return EFI_INVALID_PARAMETER;
}
if (FviStructBuffer == NULL)
{
FviStructBufferSize = 0x2000;
FviStructBuffer = EfiLibAllocateZeroPool(FviStructBufferSize);
FviStructSize = sizeof(SMBIOS_TYPE14_STRUCTURE_HDR);
}
SmbiosHdr = (SMBIOS_TYPE14_STRUCTURE_HDR *)FviStructBuffer;
ItemPtr = (SMBIOS_TYPE14_STRUCTURE_ITEM *)(SmbiosHdr + 1);
ItemPtr += ElementCount;
if (EfiCompareGuid(&Record->DataRecordGuid, &gMiscSubClassName))
{
DataHeader = (EFI_SUBCLASS_TYPE1_HEADER *)(Record + 1);
FviHeader = (FVI_HEADER *)(UINT8 *)(DataHeader + 1);
if (FviHeader->Header.Type == FVI_SMBIOS_TYPE)
{
FviHeader->Header.Handle = 0xFFFF;
BufferSize = (UINT16)(Record->RecordSize - sizeof(EFI_DATA_RECORD_HEADER) - sizeof(EFI_SUBCLASS_TYPE1_HEADER));
Status = gSmbiosProtocol->SmbiosAddStructure((UINT8 *)FviHeader, BufferSize);
if (!EFI_ERROR(Status))
{
ItemPtr->Type = FviHeader->Header.Type;
ItemPtr->Handle = FviHeader->Header.Handle;
FviStructSize += sizeof(SMBIOS_TYPE14_STRUCTURE_ITEM);
ElementCount++;
}
}
}
return EFI_SUCCESS;
}
VOID CreateFirmwareVerInfo(IN EFI_EVENT Event, IN VOID *Context)
{
EFI_STATUS Status;
EFI_HANDLE DataHubHandle;
UINTN HandleSize;
EFI_DATA_HUB_PROTOCOL *DataHub = NULL;
EFI_DATA_RECORD_HEADER *Record = NULL;
UINT64 MonotonicCount = 0;
HandleSize = sizeof (EFI_HANDLE);
Status = gBS->LocateHandle (
ByProtocol,
&gEfiDataHubProtocolGuid,
NULL,
&HandleSize,
&DataHubHandle
);
if (EFI_ERROR (Status))
{
return;
}
Status = gBS->HandleProtocol (
DataHubHandle,
&gEfiDataHubProtocolGuid,
&DataHub
);
if (EFI_ERROR (Status))
{
return;
}
do {
Status = DataHub->GetNextRecord (
DataHub,
&MonotonicCount,
NULL,
&Record);
if (!EFI_ERROR (Status))
{
if (Record->DataRecordClass == EFI_DATA_RECORD_CLASS_DATA)
{
BuildFviStruct(FALSE, Record);
}
}
} while (!EFI_ERROR (Status) && (MonotonicCount != 0));
Status = BuildFviStruct(TRUE, NULL);
if (EFI_ERROR(Status))
{
DEBUG((EFI_D_ERROR, "!!!Firmware Version Information Error!!!\n"));
DEBUG((EFI_D_ERROR, "!!!Type 14 ¡V Group Associations Indicator!!!\n"));
}
if (Event != NULL)
{
gBS->CloseEvent(Event);
}
}
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