/**@file
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Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
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Copyright (c) 2015, Hisilicon Limited. All rights reserved.<BR>
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Copyright (c) 2015, Linaro Limited. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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Module Name:
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SmbiosMiscEntryPoint.c
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Abstract:
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This driver parses the mSmbiosMiscDataTable structure and reports
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any generated data using SMBIOS protocol.
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Based on files under Nt32Pkg/MiscSubClassPlatformDxe/
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**/
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#include "SmbiosMisc.h"
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#define MAX_HANDLE_COUNT 0x10
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EFI_HANDLE mImageHandle;
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EFI_HII_HANDLE mHiiHandle;
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EFI_SMBIOS_PROTOCOL *mSmbios = NULL;
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//
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// Data Table Array
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//
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extern EFI_MISC_SMBIOS_DATA_TABLE mSmbiosMiscDataTable[];
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//
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// Data Table Array Entries
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//
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extern UINTN mSmbiosMiscDataTableEntries;
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extern UINT8 SmbiosMiscDxeStrings[];
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/**
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Standard EFI driver point. This driver parses the mSmbiosMiscDataTable
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structure and reports any generated data using SMBIOS protocol.
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@param ImageHandle Handle for the image of this driver
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@param SystemTable Pointer to the EFI System Table
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@retval EFI_SUCCESS The data was successfully stored.
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**/
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EFI_STATUS
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EFIAPI
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SmbiosMiscEntryPoint(
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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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UINTN Index;
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EFI_STATUS EfiStatus;
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EFI_SMBIOS_PROTOCOL *Smbios;
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mImageHandle = ImageHandle;
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EfiStatus = gBS->LocateProtocol(&gEfiSmbiosProtocolGuid, NULL, (VOID**)&Smbios);
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if (EFI_ERROR(EfiStatus))
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{
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DEBUG((EFI_D_ERROR, "Could not locate SMBIOS protocol. %r\n", EfiStatus));
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return EfiStatus;
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}
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mSmbios = Smbios;
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mHiiHandle = HiiAddPackages (
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&gEfiCallerIdGuid,
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mImageHandle,
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SmbiosMiscDxeStrings,
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NULL
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);
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if(mHiiHandle == NULL)
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{
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return EFI_OUT_OF_RESOURCES;
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}
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for (Index = 0; Index < mSmbiosMiscDataTableEntries; ++Index)
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{
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//
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// If the entry have a function pointer, just log the data.
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//
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if (mSmbiosMiscDataTable[Index].Function != NULL)
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{
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EfiStatus = (*mSmbiosMiscDataTable[Index].Function)(
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mSmbiosMiscDataTable[Index].RecordData,
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Smbios
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);
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if (EFI_ERROR(EfiStatus))
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{
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DEBUG((EFI_D_ERROR, "Misc smbios store error. Index=%d, ReturnStatus=%r\n", Index, EfiStatus));
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return EfiStatus;
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}
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}
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}
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return EfiStatus;
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}
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/**
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Logs SMBIOS record.
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@param Buffer The data for the fixed portion of the SMBIOS record. The format of the record is
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determined by EFI_SMBIOS_TABLE_HEADER.Type. The size of the formatted area is defined
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by EFI_SMBIOS_TABLE_HEADER.Length and either followed by a double-null (0x0000) or
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a set of null terminated strings and a null.
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@param SmbiosHandle A unique handle will be assigned to the SMBIOS record.
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@retval EFI_SUCCESS Record was added.
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@retval EFI_OUT_OF_RESOURCES Record was not added due to lack of system resources.
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**/
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EFI_STATUS
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LogSmbiosData (
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IN UINT8 *Buffer,
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IN OUT EFI_SMBIOS_HANDLE *SmbiosHandle
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)
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{
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EFI_STATUS Status;
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*SmbiosHandle = SMBIOS_HANDLE_PI_RESERVED;
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Status = mSmbios->Add (
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mSmbios,
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NULL,
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SmbiosHandle,
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(EFI_SMBIOS_TABLE_HEADER *)Buffer
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);
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return Status;
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}
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VOID
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GetLinkTypeHandle(
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IN UINT8 SmbiosType,
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OUT UINT16 **HandleArray,
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OUT UINTN *HandleCount
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)
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{
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EFI_STATUS Status;
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EFI_SMBIOS_HANDLE SmbiosHandle;
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EFI_SMBIOS_TABLE_HEADER *LinkTypeData = NULL;
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if(mSmbios == NULL)
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return ;
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SmbiosHandle = SMBIOS_HANDLE_PI_RESERVED;
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*HandleArray = AllocateZeroPool(sizeof(UINT16) * MAX_HANDLE_COUNT);
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if (*HandleArray == NULL)
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{
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DEBUG ((EFI_D_INFO, "HandleArray allocate memory resource failed.\n"));
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return;
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}
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*HandleCount = 0;
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while(1)
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{
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Status = mSmbios->GetNext(
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mSmbios,
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&SmbiosHandle,
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&SmbiosType,
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&LinkTypeData,
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NULL
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);
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if(!EFI_ERROR(Status))
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{
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(*HandleArray)[*HandleCount] = LinkTypeData->Handle;
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(*HandleCount)++;
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}
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else
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{
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break;
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}
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}
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}
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