Vlv2TbltDevicePkg/SmBiosMiscDxe/MiscPhysicalArrayFunction.c

   1 /*++
   2
   3 Copyright (c) 2012 - 2014, Intel Corporation. All rights reserved.<BR>
   4
   5   SPDX-License-Identifier: BSD-2-Clause-Patent
   6
   7
   8
   9
  10 Module Name:
  11
  12   MiscPhysicalArrayFunction.c
  13
  14 Abstract:
  15
  16   BIOS system Physical Array boot time changes.
  17   SMBIOS type 16.
  18
  19 --*/
  20
  21
  22 #include "CommonHeader.h"
  23 #include "MiscSubclassDriver.h"
  24
  25
  26
  27 /**
  28   This function makes boot time changes to the contents of the
  29   MiscPhysicalArrayFunction (Type 16).
  30
  31   @param  RecordData                 Pointer to copy of RecordData from the Data Table.
  32
  33   @retval EFI_SUCCESS                All parameters were valid.
  34   @retval EFI_UNSUPPORTED            Unexpected RecordType value.
  35   @retval EFI_INVALID_PARAMETER      Invalid parameter was found.
  36
  37 **/
  38
  39 MISC_SMBIOS_TABLE_FUNCTION(MiscPhysicalMemoryArray)
  40 {
  41     EFI_STATUS                      Status;
  42     EFI_SMBIOS_HANDLE               SmbiosHandle;
  43     SMBIOS_TABLE_TYPE16             *SmbiosRecord;
  44     EFI_MEMORY_ARRAY_LOCATION_DATA  *ForType16InputData;
  45     UINT32                           TopOfMemory = 8 * 1024 * 1024;
  46
  47     //
  48     // First check for invalid parameters.
  49     //
  50     if (RecordData == NULL) {
  51     return EFI_INVALID_PARAMETER;
  52     }
  53
  54     ForType16InputData = (EFI_MEMORY_ARRAY_LOCATION_DATA *)RecordData;
  55
  56     //
  57     // Two zeros following the last string.
  58     //
  59     SmbiosRecord = AllocatePool(sizeof (SMBIOS_TABLE_TYPE16)  + 1);
  60     ZeroMem(SmbiosRecord, sizeof (SMBIOS_TABLE_TYPE16)  + 1);
  61
  62     SmbiosRecord->Hdr.Type = EFI_SMBIOS_TYPE_PHYSICAL_MEMORY_ARRAY;
  63     SmbiosRecord->Hdr.Length = sizeof (SMBIOS_TABLE_TYPE16);
  64
  65     //
  66     // Make handle chosen by smbios protocol.add automatically.
  67     //
  68     SmbiosRecord->Hdr.Handle = 0;
  69
  70     //
  71     // ReleaseDate will be the 3rd optional string following the formatted structure.
  72     //
  73     SmbiosRecord->Location = *(UINT8 *) &ForType16InputData ->MemoryArrayLocation;
  74     SmbiosRecord->Use = *(UINT8 *) &ForType16InputData ->MemoryArrayUse;
  75     SmbiosRecord->MemoryErrorCorrection = *(UINT8 *) &ForType16InputData->MemoryErrorCorrection;
  76
  77     //
  78     // System does not provide the error information structure
  79     //
  80     SmbiosRecord->MemoryErrorInformationHandle = 0xFFFE;
  81
  82     //
  83     // Maximum memory capacity
  84     //
  85     SmbiosRecord-> MaximumCapacity = TopOfMemory;
  86     SmbiosRecord-> NumberOfMemoryDevices= 0x02;
  87
  88     //
  89     // Now we have got the full smbios record, call smbios protocol to add this record.
  90     //
  91     SmbiosHandle = SMBIOS_HANDLE_PI_RESERVED;
  92     Status = Smbios-> Add(
  93                         Smbios,
  94                         NULL,
  95                        &SmbiosHandle,
  96                        (EFI_SMBIOS_TABLE_HEADER *) SmbiosRecord
  97                        );
  98     FreePool(SmbiosRecord);
  99     return Status;
 100
 101 }