82 lines
2.6 KiB
C
82 lines
2.6 KiB
C
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/** @file
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Library to add SMBIOS data records from HOB to SMBIOS table.
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Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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@par Specification Reference:
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System Management BIOS (SMBIOS) Reference Specification v3.0.0
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dated 2015-Feb-12 (DSP0134)
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http://www.dmtf.org/sites/default/files/standards/documents/DSP0134_3.0.0.pdf
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**/
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#include <IndustryStandard/SmBios.h>
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#include <Library/UefiLib.h>
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#include <Library/BaseLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Library/DebugLib.h>
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#include <Library/HobLib.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Protocol/Smbios.h>
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/**
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Adds SMBIOS records to tables
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@param[in] ImageHandle Image handle of this driver.
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@param[in] SystemTable Global system service table.
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@retval EFI_UNSUPPORTED - Could not locate SMBIOS protocol
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@retval EFI_OUT_OF_RESOURCES - Failed to allocate memory for SMBIOS HOB type.
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@retval EFI_SUCCESS - Successfully added SMBIOS records based on HOB.
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**/
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EFI_STATUS
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EFIAPI
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DxeSmbiosDataHobLibConstructor (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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)
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{
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EFI_PEI_HOB_POINTERS Hob;
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EFI_SMBIOS_HANDLE SmbiosHandle;
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EFI_SMBIOS_PROTOCOL *Smbios;
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EFI_STATUS Status;
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UINT8 *RecordPtr;
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UINT16 RecordCount;
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RecordCount = 0;
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DEBUG ((DEBUG_INFO, "Adding SMBIOS records from HOB..\n"));
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Status = gBS->LocateProtocol (&gEfiSmbiosProtocolGuid, NULL, (VOID **)&Smbios);
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if (Smbios == NULL) {
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DEBUG ((DEBUG_WARN, "Can't locate SMBIOS protocol\n"));
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return EFI_UNSUPPORTED;
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}
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///
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/// Get SMBIOS HOB data (each hob contains one SMBIOS record)
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///
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for (Hob.Raw = GetHobList (); !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB (Hob)) {
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if ((GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_GUID_EXTENSION) && (CompareGuid (&Hob.Guid->Name, &gIntelSmbiosDataHobGuid))) {
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RecordPtr = GET_GUID_HOB_DATA (Hob.Raw);
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///
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/// Add generic SMBIOS HOB to SMBIOS table
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///
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DEBUG ((DEBUG_VERBOSE, "Add SMBIOS record type: %x\n", ((EFI_SMBIOS_TABLE_HEADER *) RecordPtr)->Type));
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SmbiosHandle = SMBIOS_HANDLE_PI_RESERVED;
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Status = Smbios->Add (Smbios, NULL, &SmbiosHandle, (EFI_SMBIOS_TABLE_HEADER *) RecordPtr);
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if (!EFI_ERROR (Status)) {
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RecordCount++;
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}
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}
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}
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DEBUG ((DEBUG_INFO, "Found %d Records and added to SMBIOS table.\n", RecordCount));
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return EFI_SUCCESS;
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}
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