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 **/
MISC_SMBIOS_TABLE_FUNCTION(MiscSystemSlotDesignation)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 = ForType9InputData->SlotType;
74   SmbiosRecord->SlotDataBusWidth = ForType9InputData->SlotDataBusWidth;
75   SmbiosRecord->CurrentUsage = ForType9InputData->SlotUsage;
76   SmbiosRecord->SlotLength = 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 }
93