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 This program and the accompanying materials
   7 are licensed and made available under the terms and conditions of the BSD License
   8 which accompanies this distribution.  The full text of the license may be found at
   9 http://opensource.org/licenses/bsd-license.php
  10
  11 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  12 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  13
  14 **/
  15
  16 #include "MiscSubclassDriver.h"
  17 /**
  18   This function makes boot time changes to the contents of the
  19   MiscSystemSlotDesignator structure (Type 9).
  20
  21   @param  RecordData                 Pointer to copy of RecordData from the Data Table.
  22
  23   @retval EFI_SUCCESS                All parameters were valid.
  24   @retval EFI_UNSUPPORTED            Unexpected RecordType value.
  25   @retval EFI_INVALID_PARAMETER      Invalid parameter was found.
  26
  27 **/
  28 MISC_SMBIOS_TABLE_FUNCTION(MiscSystemSlotDesignation)
  29 {
  30   CHAR8                              *OptionalStrStart;
  31   UINTN                              SlotDesignationStrLen;
  32   EFI_STATUS                         Status;
  33   EFI_STRING                         SlotDesignation;
  34   STRING_REF                         TokenToGet;
  35   SMBIOS_TABLE_TYPE9                 *SmbiosRecord;
  36   EFI_SMBIOS_HANDLE                  SmbiosHandle;
  37   EFI_MISC_SYSTEM_SLOT_DESIGNATION*  ForType9InputData;
  38
  39   ForType9InputData = (EFI_MISC_SYSTEM_SLOT_DESIGNATION *)RecordData;
  40
  41   //
  42   // First check for invalid parameters.
  43   //
  44   if (RecordData == NULL) {
  45     return EFI_INVALID_PARAMETER;
  46   }
  47
  48   TokenToGet = 0;
  49   switch (ForType9InputData->SlotDesignation) {
  50     case STR_MISC_SYSTEM_SLOT_DESIGNATION:
  51       TokenToGet = STRING_TOKEN (STR_MISC_SYSTEM_SLOT_DESIGNATION);
  52       break;
  53     default:
  54       break;
  55   }
  56
  57   SlotDesignation = HiiGetPackageString(&gEfiCallerIdGuid, TokenToGet, NULL);
  58   SlotDesignationStrLen = StrLen(SlotDesignation);
  59   if (SlotDesignationStrLen > SMBIOS_STRING_MAX_LENGTH) {
  60     return EFI_UNSUPPORTED;
  61   }
  62
  63   //
  64   // Two zeros following the last string.
  65   //
  66   SmbiosRecord = AllocatePool(sizeof (SMBIOS_TABLE_TYPE9) + SlotDesignationStrLen + 1 + 1);
  67   ZeroMem(SmbiosRecord, sizeof (SMBIOS_TABLE_TYPE9) +SlotDesignationStrLen + 1 + 1);
  68
  69   SmbiosRecord->Hdr.Type = EFI_SMBIOS_TYPE_SYSTEM_SLOTS;
  70   SmbiosRecord->Hdr.Length = sizeof (SMBIOS_TABLE_TYPE9);
  71   SmbiosRecord->Hdr.Handle = 0;
  72   SmbiosRecord->SlotDesignation = 1;
  73   SmbiosRecord->SlotType = (UINT8)ForType9InputData->SlotType;
  74   SmbiosRecord->SlotDataBusWidth = (UINT8)ForType9InputData->SlotDataBusWidth;
  75   SmbiosRecord->CurrentUsage = (UINT8)ForType9InputData->SlotUsage;
  76   SmbiosRecord->SlotLength = (UINT8)ForType9InputData->SlotLength;
  77   SmbiosRecord->SlotID = ForType9InputData->SlotId;
  78
  79   //
  80   // Slot Characteristics
  81   //
  82   CopyMem ((UINT8 *) &SmbiosRecord->SlotCharacteristics1,(UINT8 *) &ForType9InputData->SlotCharacteristics,2);
  83   OptionalStrStart = (CHAR8 *)(SmbiosRecord + 1);
  84   UnicodeStrToAsciiStr(SlotDesignation, OptionalStrStart);
  85   //
  86   // Now we have got the full smbios record, call smbios protocol to add this record.
  87   //
  88   Status = AddSmbiosRecord (Smbios, &SmbiosHandle, (EFI_SMBIOS_TABLE_HEADER *) SmbiosRecord);
  89
  90   FreePool(SmbiosRecord);
  91   return Status;
  92 }