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/** @file
Library to add SMBIOS data records from HOB to SMBIOS table.
Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
@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;
}
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