/** @file | |
Library to add SMBIOS data records from HOB to SMBIOS table. | |
Copyright (c) 2016, Intel Corporation. All rights reserved.<BR> | |
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. | |
@par Specification Reference: | |
System Management BIOS (SMBIOS) Reference Specification v3.0.0 | |
dated 2015-Feb-12 (DSP0134) | |
http://www.dmtf.org/sites/default/files/standards/documents/DSP0134_3.0.0.pdf | |
**/ | |
#include <IndustryStandard/SmBios.h> | |
#include <Library/UefiLib.h> | |
#include <Library/BaseLib.h> | |
#include <Library/BaseMemoryLib.h> | |
#include <Library/MemoryAllocationLib.h> | |
#include <Library/DebugLib.h> | |
#include <Library/HobLib.h> | |
#include <Library/UefiBootServicesTableLib.h> | |
#include <Protocol/Smbios.h> | |
/** | |
Adds SMBIOS records to tables | |
@param[in] ImageHandle Image handle of this driver. | |
@param[in] SystemTable Global system service table. | |
@retval EFI_UNSUPPORTED - Could not locate SMBIOS protocol | |
@retval EFI_OUT_OF_RESOURCES - Failed to allocate memory for SMBIOS HOB type. | |
@retval EFI_SUCCESS - Successfully added SMBIOS records based on HOB. | |
**/ | |
EFI_STATUS | |
EFIAPI | |
DxeSmbiosDataHobLibConstructor ( | |
IN EFI_HANDLE ImageHandle, | |
IN EFI_SYSTEM_TABLE *SystemTable | |
) | |
{ | |
EFI_PEI_HOB_POINTERS Hob; | |
EFI_SMBIOS_HANDLE SmbiosHandle; | |
EFI_SMBIOS_PROTOCOL *Smbios; | |
EFI_STATUS Status; | |
UINT8 *RecordPtr; | |
UINT16 RecordCount; | |
RecordCount = 0; | |
DEBUG ((DEBUG_INFO, "Adding SMBIOS records from HOB..\n")); | |
Status = gBS->LocateProtocol (&gEfiSmbiosProtocolGuid, NULL, (VOID **)&Smbios); | |
if (Smbios == NULL) { | |
DEBUG ((DEBUG_WARN, "Can't locate SMBIOS protocol\n")); | |
return EFI_UNSUPPORTED; | |
} | |
/// | |
/// Get SMBIOS HOB data (each hob contains one SMBIOS record) | |
/// | |
for (Hob.Raw = GetHobList (); !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB (Hob)) { | |
if ((GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_GUID_EXTENSION) && (CompareGuid (&Hob.Guid->Name, &gIntelSmbiosDataHobGuid))) { | |
RecordPtr = GET_GUID_HOB_DATA (Hob.Raw); | |
/// | |
/// Add generic SMBIOS HOB to SMBIOS table | |
/// | |
DEBUG ((DEBUG_VERBOSE, "Add SMBIOS record type: %x\n", ((EFI_SMBIOS_TABLE_HEADER *) RecordPtr)->Type)); | |
SmbiosHandle = SMBIOS_HANDLE_PI_RESERVED; | |
Status = Smbios->Add (Smbios, NULL, &SmbiosHandle, (EFI_SMBIOS_TABLE_HEADER *) RecordPtr); | |
if (!EFI_ERROR (Status)) { | |
RecordCount++; | |
} | |
} | |
} | |
DEBUG ((DEBUG_INFO, "Found %d Records and added to SMBIOS table.\n", RecordCount)); | |
return EFI_SUCCESS; | |
} | |