QuarkPlatformPkg/Platform/Dxe/SmbiosMiscDxe/MiscOnboardDeviceFunction.c

   1 /** @file
   2 Onboard device information boot time changes.
   3 SMBIOS type 10.
   4
   5 Copyright (c) 2013-2015 Intel Corporation.
   6
   7 SPDX-License-Identifier: BSD-2-Clause-Patent
   8
   9
  10 **/
  11
  12
  13 #include "CommonHeader.h"
  14
  15 #include "SmbiosMisc.h"
  16
  17
  18 /**
  19   This function makes boot time changes to the contents of the
  20   MiscOnboardDevice (Type 10).
  21
  22   @param  RecordData                 Pointer to copy of RecordData from the Data Table.
  23
  24   @retval EFI_SUCCESS                All parameters were valid.
  25   @retval EFI_UNSUPPORTED            Unexpected RecordType value.
  26   @retval EFI_INVALID_PARAMETER      Invalid parameter was found.
  27
  28 **/
  29 MISC_SMBIOS_TABLE_FUNCTION(MiscOnboardDevice)
  30 {
  31   CHAR8                         *OptionalStrStart;
  32   UINT8                         StatusAndType;
  33   UINTN                         DescriptionStrLen;
  34   EFI_STRING                    DeviceDescription;
  35   STRING_REF                    TokenToGet;
  36   EFI_STATUS                    Status;
  37   EFI_SMBIOS_HANDLE             SmbiosHandle;
  38   SMBIOS_TABLE_TYPE10           *SmbiosRecord;
  39   EFI_MISC_ONBOARD_DEVICE       *ForType10InputData;
  40
  41   ForType10InputData = (EFI_MISC_ONBOARD_DEVICE *)RecordData;
  42   //
  43   // First check for invalid parameters.
  44   //
  45   if (RecordData == NULL) {
  46     return EFI_INVALID_PARAMETER;
  47   }
  48
  49   TokenToGet = 0;
  50   switch (ForType10InputData->OnBoardDeviceDescription) {
  51     case STR_MISC_ONBOARD_DEVICE_VIDEO:
  52       TokenToGet = STRING_TOKEN (STR_MISC_ONBOARD_DEVICE_VIDEO);
  53       break;
  54     case STR_MISC_ONBOARD_DEVICE_AUDIO:
  55       TokenToGet = STRING_TOKEN (STR_MISC_ONBOARD_DEVICE_AUDIO);
  56       break;
  57   }
  58
  59   DeviceDescription = HiiGetPackageString(&gEfiCallerIdGuid, TokenToGet, NULL);
  60   DescriptionStrLen = StrLen(DeviceDescription);
  61   if (DescriptionStrLen > SMBIOS_STRING_MAX_LENGTH) {
  62     return EFI_UNSUPPORTED;
  63   }
  64
  65   //
  66   // Two zeros following the last string.
  67   //
  68   SmbiosRecord = AllocatePool(sizeof (SMBIOS_TABLE_TYPE10) + DescriptionStrLen + 1 + 1);
  69   ZeroMem(SmbiosRecord, sizeof (SMBIOS_TABLE_TYPE10) + DescriptionStrLen + 1 + 1);
  70
  71   SmbiosRecord->Hdr.Type = EFI_SMBIOS_TYPE_ONBOARD_DEVICE_INFORMATION;
  72   SmbiosRecord->Hdr.Length = sizeof (SMBIOS_TABLE_TYPE10);
  73   //
  74   // Make handle chosen by smbios protocol.add automatically.
  75   //
  76   SmbiosRecord->Hdr.Handle = 0;
  77
  78   //
  79   // Status & Type: Bit 7 Devicen Status, Bits 6:0 Type of Device
  80   //
  81   StatusAndType = (UINT8) ForType10InputData->OnBoardDeviceStatus.DeviceType;
  82   if (ForType10InputData->OnBoardDeviceStatus.DeviceEnabled != 0) {
  83     StatusAndType |= 0x80;
  84   } else {
  85     StatusAndType &= 0x7F;
  86   }
  87
  88   SmbiosRecord->Device[0].DeviceType = StatusAndType;
  89   SmbiosRecord->Device[0].DescriptionString = 1;
  90   OptionalStrStart = (CHAR8 *)(SmbiosRecord + 1);
  91   UnicodeStrToAsciiStr(DeviceDescription, OptionalStrStart);
  92
  93   //
  94   // Now we have got the full smbios record, call smbios protocol to add this record.
  95   //
  96   SmbiosHandle = SMBIOS_HANDLE_PI_RESERVED;
  97   Status = Smbios-> Add(
  98                       Smbios,
  99                       NULL,
 100                       &SmbiosHandle,
 101                       (EFI_SMBIOS_TABLE_HEADER *) SmbiosRecord
 102                       );
 103   FreePool(SmbiosRecord);
 104   return Status;
 105 }