Nt32Pkg/MiscSubClassPlatformDxe/MiscSystemSlotDesignationFunction.c

   1 /*++
   2
   3 Copyright (c) 2009, Intel Corporation. All rights reserved. <BR>
   4 This software and associated documentation (if any) is furnished
   5 under a license and may only be used or copied in accordance
   6 with the terms of the license. Except as permitted by such
   7 license, no part of this software or documentation may be
   8 reproduced, stored in a retrieval system, or transmitted in any
   9 form or by any means without the express written consent of
  10 Intel Corporation.
  11
  12
  13 Module Name:
  14
  15   MiscSystemSlotDesignatorFunction.c
  16
  17 Abstract:
  18
  19   BIOS system slot designator information boot time changes.
  20   SMBIOS type 9.
  21
  22 --*/
  23
  24 #include "MiscSubclassDriver.h"
  25 /**
  26   This function makes boot time changes to the contents of the
  27   MiscSystemSlotDesignator structure (Type 9).
  28
  29   @param  RecordData                 Pointer to copy of RecordData from the Data Table.
  30
  31   @retval EFI_SUCCESS                All parameters were valid.
  32   @retval EFI_UNSUPPORTED            Unexpected RecordType value.
  33   @retval EFI_INVALID_PARAMETER      Invalid parameter was found.
  34
  35 **/
  36 MISC_SMBIOS_TABLE_FUNCTION(MiscSystemSlotDesignation)
  37 {
  38   CHAR8                              *OptionalStrStart;
  39   UINTN                              SlotDesignationStrLen;
  40   EFI_STATUS                         Status;
  41   EFI_STRING                         SlotDesignation;
  42   STRING_REF                         TokenToGet;
  43   SMBIOS_TABLE_TYPE9                 *SmbiosRecord;
  44   EFI_SMBIOS_HANDLE                  SmbiosHandle;
  45   EFI_MISC_SYSTEM_SLOT_DESIGNATION*  ForType9InputData;
  46
  47   ForType9InputData = (EFI_MISC_SYSTEM_SLOT_DESIGNATION *)RecordData;
  48
  49   //
  50   // First check for invalid parameters.
  51   //
  52   if (RecordData == NULL) {
  53     return EFI_INVALID_PARAMETER;
  54   }
  55
  56   TokenToGet = 0;
  57   switch (ForType9InputData->SlotDesignation) {
  58     case STR_MISC_SYSTEM_SLOT_DESIGNATION:
  59       TokenToGet = STRING_TOKEN (STR_MISC_SYSTEM_SLOT_DESIGNATION);
  60       break;
  61     default:
  62       break;
  63   }
  64
  65   SlotDesignation = HiiGetPackageString(&gEfiCallerIdGuid, TokenToGet, NULL);
  66   SlotDesignationStrLen = StrLen(SlotDesignation);
  67   if (SlotDesignationStrLen > SMBIOS_STRING_MAX_LENGTH) {
  68     return EFI_UNSUPPORTED;
  69   }
  70
  71   //
  72   // Two zeros following the last string.
  73   //
  74   SmbiosRecord = AllocatePool(sizeof (SMBIOS_TABLE_TYPE9) + SlotDesignationStrLen + 1 + 1);
  75   ZeroMem(SmbiosRecord, sizeof (SMBIOS_TABLE_TYPE9) +SlotDesignationStrLen + 1 + 1);
  76
  77   SmbiosRecord->Hdr.Type = EFI_SMBIOS_TYPE_SYSTEM_SLOTS;
  78   SmbiosRecord->Hdr.Length = sizeof (SMBIOS_TABLE_TYPE9);
  79   SmbiosRecord->Hdr.Handle = 0;
  80   SmbiosRecord->SlotDesignation = 1;
  81   SmbiosRecord->SlotType = ForType9InputData->SlotType;
  82   SmbiosRecord->SlotDataBusWidth = ForType9InputData->SlotDataBusWidth;
  83   SmbiosRecord->CurrentUsage = ForType9InputData->SlotUsage;
  84   SmbiosRecord->SlotLength = ForType9InputData->SlotLength;
  85   SmbiosRecord->SlotID = ForType9InputData->SlotId;
  86
  87   //
  88   // Slot Characteristics
  89   //
  90   CopyMem ((UINT8 *) &SmbiosRecord->SlotCharacteristics1,(UINT8 *) &ForType9InputData->SlotCharacteristics,2);
  91   OptionalStrStart = (CHAR8 *)(SmbiosRecord + 1);
  92   UnicodeStrToAsciiStr(SlotDesignation, OptionalStrStart);
  93   //
  94   // Now we have got the full smbios record, call smbios protocol to add this record.
  95   //
  96   SmbiosHandle = 0;
  97   Status = Smbios-> Add(
  98                       Smbios,
  99                       NULL,
 100                       &SmbiosHandle,
 101                       (EFI_SMBIOS_TABLE_HEADER *) SmbiosRecord
 102                       );
 103   FreePool(SmbiosRecord);
 104   return Status;
 105 }