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      1 /** @file
      2 
      3 Copyright (c) 2004  - 2014, Intel Corporation. All rights reserved.<BR>
      4 
      5   This program and the accompanying materials are licensed and made available under
      7   the terms and conditions of the BSD License that accompanies this distribution.
      9   The full text of the license may be found at
     11   http://opensource.org/licenses/bsd-license.php.
     13 
     15   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
     17   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
     19 
     21 
     23 
     24 Module Name:
     25 
     26   MiscPortInternalConnectorDesignatorFunction.c
     27 
     28 Abstract:
     29 
     30   Create the device path for the Port internal connector designator.
     31   Port internal connector designator information is Misc. subclass type 6
     32   and SMBIOS type 8.
     33 
     34 
     35 **/
     36 
     37 
     38 #include "CommonHeader.h"
     39 
     40 #include "MiscSubclassDriver.h"
     41 
     42 
     43 /**
     44   This is a macro defined function, in fact, the function is
     45   MiscPortInternalConnectorDesignatorFunction (RecordType, RecordLen, RecordData, LogRecordData)
     46   This function makes boot time changes to the contents of the
     47   MiscPortConnectorInformation.
     48 
     49   @param  MiscPortInternalConnectorDesignator  The string which is used to create
     50                                                the function
     51   The Arguments in fact:
     52   @param  RecordType                           Type of record to be processed from
     53                                                the Data Table.
     54                                                mMiscSubclassDataTable[].RecordType
     55   @param  RecordLen                            Size of static RecordData from the
     56                                                Data Table.
     57                                                mMiscSubclassDataTable[].RecordLen
     58   @param  RecordData                           Pointer to RecordData, which will be
     59                                                written to the Data Hub
     60   @param  LogRecordData                        TRUE to log RecordData to Data Hub.
     61                                                FALSE when there is no more data to
     62                                                log.
     63 
     64   @retval EFI_SUCCESS                          *RecordData and *LogRecordData have
     65                                                been set.
     66   @retval EFI_UNSUPPORTED                      Unexpected RecordType value.
     67   @retval EFI_INVALID_PARAMETER                One of the following parameter
     68                                                conditions was true: RecordLen was
     69                                                zero. RecordData was NULL.
     70                                                LogRecordData was NULL.
     71 
     72 **/
     73 MISC_SMBIOS_TABLE_FUNCTION (
     74   MiscPortInternalConnectorDesignator
     75   )
     76 {
     77   CHAR8                                        *OptionalStrStart;
     78   UINTN                                        InternalRefStrLen;
     79   UINTN                                        ExternalRefStrLen;
     80   EFI_STRING                                   InternalRef;
     81   EFI_STRING                                   ExternalRef;
     82   STRING_REF                                   TokenForInternal;
     83   STRING_REF                                   TokenForExternal;
     84   EFI_STATUS                                   Status;
     85   SMBIOS_TABLE_TYPE8                           *SmbiosRecord;
     86   EFI_SMBIOS_HANDLE                            SmbiosHandle;
     87   EFI_MISC_PORT_INTERNAL_CONNECTOR_DESIGNATOR  *ForType8InputData;
     88 
     89   ForType8InputData = (EFI_MISC_PORT_INTERNAL_CONNECTOR_DESIGNATOR *)RecordData;
     90 
     91   //
     92   // First check for invalid parameters.
     93   //
     94   if (RecordData == NULL) {
     95     return EFI_INVALID_PARAMETER;
     96   }
     97 
     98   TokenForInternal = 0;
     99   TokenForExternal = 0;
    100 
    101   switch (ForType8InputData->PortInternalConnectorDesignator) {
    102 
    103     case STR_MISC_PORT_INTERNAL_IDE1:
    104       TokenForInternal = STRING_TOKEN (STR_MISC_PORT_INTERNAL_IDE1);
    105       TokenForExternal = STRING_TOKEN(STR_MISC_PORT_EXTERNAL_IDE1);
    106       break;
    107     case STR_MISC_PORT_INTERNAL_IDE2:
    108       TokenForInternal = STRING_TOKEN (STR_MISC_PORT_INTERNAL_IDE2);
    109       TokenForExternal = STRING_TOKEN(STR_MISC_PORT_EXTERNAL_IDE2);
    110       break;
    111     case STR_MISC_PORT_INTERNAL_ATX_POWER:
    112       TokenForInternal = STRING_TOKEN (STR_MISC_PORT_INTERNAL_ATX_POWER);
    113       TokenForExternal = STRING_TOKEN(STR_MISC_PORT_EXTERNAL_ATX_POWER);
    114       break;
    115     default:
    116       break;
    117   }
    118 
    119   InternalRef = SmbiosMiscGetString (TokenForInternal);
    120   InternalRefStrLen = StrLen(InternalRef);
    121   if (InternalRefStrLen > SMBIOS_STRING_MAX_LENGTH) {
    122     return EFI_UNSUPPORTED;
    123   }
    124 
    125   ExternalRef = SmbiosMiscGetString (TokenForExternal);
    126   ExternalRefStrLen = StrLen(ExternalRef);
    127   if (ExternalRefStrLen > SMBIOS_STRING_MAX_LENGTH) {
    128     return EFI_UNSUPPORTED;
    129   }
    130 
    131   //
    132   // Two zeros following the last string.
    133   //
    134   SmbiosRecord = AllocatePool(sizeof (SMBIOS_TABLE_TYPE8) + InternalRefStrLen + 1 + ExternalRefStrLen + 1 + 1);
    135   ZeroMem(SmbiosRecord, sizeof (SMBIOS_TABLE_TYPE8) + InternalRefStrLen + 1 + ExternalRefStrLen + 1 + 1);
    136 
    137   SmbiosRecord->Hdr.Type = EFI_SMBIOS_TYPE_PORT_CONNECTOR_INFORMATION;
    138   SmbiosRecord->Hdr.Length = sizeof (SMBIOS_TABLE_TYPE8);
    139 
    140   //
    141   // Make handle chosen by smbios protocol.add automatically.
    142   //
    143   SmbiosRecord->Hdr.Handle = 0;
    144   SmbiosRecord->InternalReferenceDesignator = 1;
    145   SmbiosRecord->InternalConnectorType = (UINT8)ForType8InputData->PortInternalConnectorType;
    146   SmbiosRecord->ExternalReferenceDesignator = 2;
    147   SmbiosRecord->ExternalConnectorType = (UINT8)ForType8InputData->PortExternalConnectorType;
    148   SmbiosRecord->PortType = (UINT8)ForType8InputData->PortType;
    149 
    150   OptionalStrStart = (CHAR8 *)(SmbiosRecord + 1);
    151   UnicodeStrToAsciiStr(InternalRef, OptionalStrStart);
    152   UnicodeStrToAsciiStr(ExternalRef, OptionalStrStart + InternalRefStrLen + 1);
    153 
    154   //
    155   // Now we have got the full smbios record, call smbios protocol to add this record.
    156   //
    157   SmbiosHandle = SMBIOS_HANDLE_PI_RESERVED;
    158   Status = Smbios-> Add(
    159                       Smbios,
    160                       NULL,
    161                       &SmbiosHandle,
    162                       (EFI_SMBIOS_TABLE_HEADER *) SmbiosRecord
    163                       );
    164   FreePool(SmbiosRecord);
    165   return Status;
    166 }
    167