Nt32Pkg/MiscSubClassPlatformDxe/MiscSystemSlotDesignationFunction.c

   1 /** @file
   2   BIOS system slot designator information boot time changes.
   3   SMBIOS type 9.
   4
   5 Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved.<BR>
   6 SPDX-License-Identifier: BSD-2-Clause-Patent
   7
   8 **/
   9
  10 #include "MiscSubclassDriver.h"
  11 /**
  12   This function makes boot time changes to the contents of the
  13   MiscSystemSlotDesignator structure (Type 9).
  14
  15   @param  RecordData                 Pointer to copy of RecordData from the Data Table.
  16
  17   @retval EFI_SUCCESS                All parameters were valid.
  18   @retval EFI_UNSUPPORTED            Unexpected RecordType value.
  19   @retval EFI_INVALID_PARAMETER      Invalid parameter was found.
  20
  21 **/
  22 MISC_SMBIOS_TABLE_FUNCTION(MiscSystemSlotDesignation)
  23 {
  24   CHAR8                              *OptionalStrStart;
  25   UINTN                              SlotDesignationStrLen;
  26   EFI_STATUS                         Status;
  27   EFI_STRING                         SlotDesignation;
  28   STRING_REF                         TokenToGet;
  29   SMBIOS_TABLE_TYPE9                 *SmbiosRecord;
  30   EFI_SMBIOS_HANDLE                  SmbiosHandle;
  31   EFI_MISC_SYSTEM_SLOT_DESIGNATION*  ForType9InputData;
  32
  33   ForType9InputData = (EFI_MISC_SYSTEM_SLOT_DESIGNATION *)RecordData;
  34
  35   //
  36   // First check for invalid parameters.
  37   //
  38   if (RecordData == NULL) {
  39     return EFI_INVALID_PARAMETER;
  40   }
  41
  42   TokenToGet = 0;
  43   switch (ForType9InputData->SlotDesignation) {
  44     case STR_MISC_SYSTEM_SLOT_DESIGNATION:
  45       TokenToGet = STRING_TOKEN (STR_MISC_SYSTEM_SLOT_DESIGNATION);
  46       break;
  47     default:
  48       break;
  49   }
  50
  51   SlotDesignation = HiiGetPackageString(&gEfiCallerIdGuid, TokenToGet, NULL);
  52   SlotDesignationStrLen = StrLen(SlotDesignation);
  53   if (SlotDesignationStrLen > SMBIOS_STRING_MAX_LENGTH) {
  54     return EFI_UNSUPPORTED;
  55   }
  56
  57   //
  58   // Two zeros following the last string.
  59   //
  60   SmbiosRecord = AllocatePool(sizeof (SMBIOS_TABLE_TYPE9) + SlotDesignationStrLen + 1 + 1);
  61   ZeroMem(SmbiosRecord, sizeof (SMBIOS_TABLE_TYPE9) +SlotDesignationStrLen + 1 + 1);
  62
  63   SmbiosRecord->Hdr.Type = EFI_SMBIOS_TYPE_SYSTEM_SLOTS;
  64   SmbiosRecord->Hdr.Length = sizeof (SMBIOS_TABLE_TYPE9);
  65   SmbiosRecord->Hdr.Handle = 0;
  66   SmbiosRecord->SlotDesignation = 1;
  67   SmbiosRecord->SlotType = (UINT8)ForType9InputData->SlotType;
  68   SmbiosRecord->SlotDataBusWidth = (UINT8)ForType9InputData->SlotDataBusWidth;
  69   SmbiosRecord->CurrentUsage = (UINT8)ForType9InputData->SlotUsage;
  70   SmbiosRecord->SlotLength = (UINT8)ForType9InputData->SlotLength;
  71   SmbiosRecord->SlotID = ForType9InputData->SlotId;
  72
  73   //
  74   // Slot Characteristics
  75   //
  76   CopyMem ((UINT8 *) &SmbiosRecord->SlotCharacteristics1,(UINT8 *) &ForType9InputData->SlotCharacteristics,2);
  77   OptionalStrStart = (CHAR8 *)(SmbiosRecord + 1);
  78   UnicodeStrToAsciiStr(SlotDesignation, OptionalStrStart);
  79   //
  80   // Now we have got the full smbios record, call smbios protocol to add this record.
  81   //
  82   Status = AddSmbiosRecord (Smbios, &SmbiosHandle, (EFI_SMBIOS_TABLE_HEADER *) SmbiosRecord);
  83
  84   FreePool(SmbiosRecord);
  85   return Status;
  86 }