2 Onboard device information boot time changes.
5 Copyright (c) 2013-2015 Intel Corporation.
7 This program and the accompanying materials
8 are licensed and made available under the terms and conditions of the BSD License
9 which accompanies this distribution. The full text of the license may be found at
10 http://opensource.org/licenses/bsd-license.php
12 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
13 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
19 #include "CommonHeader.h"
21 #include "SmbiosMisc.h"
25 This function makes boot time changes to the contents of the
26 MiscOnboardDevice (Type 10).
28 @param RecordData Pointer to copy of RecordData from the Data Table.
30 @retval EFI_SUCCESS All parameters were valid.
31 @retval EFI_UNSUPPORTED Unexpected RecordType value.
32 @retval EFI_INVALID_PARAMETER Invalid parameter was found.
35 MISC_SMBIOS_TABLE_FUNCTION(MiscOnboardDevice
)
37 CHAR8
*OptionalStrStart
;
39 UINTN DescriptionStrLen
;
40 EFI_STRING DeviceDescription
;
41 STRING_REF TokenToGet
;
43 EFI_SMBIOS_HANDLE SmbiosHandle
;
44 SMBIOS_TABLE_TYPE10
*SmbiosRecord
;
45 EFI_MISC_ONBOARD_DEVICE
*ForType10InputData
;
47 ForType10InputData
= (EFI_MISC_ONBOARD_DEVICE
*)RecordData
;
49 // First check for invalid parameters.
51 if (RecordData
== NULL
) {
52 return EFI_INVALID_PARAMETER
;
56 switch (ForType10InputData
->OnBoardDeviceDescription
) {
57 case STR_MISC_ONBOARD_DEVICE_VIDEO
:
58 TokenToGet
= STRING_TOKEN (STR_MISC_ONBOARD_DEVICE_VIDEO
);
60 case STR_MISC_ONBOARD_DEVICE_AUDIO
:
61 TokenToGet
= STRING_TOKEN (STR_MISC_ONBOARD_DEVICE_AUDIO
);
65 DeviceDescription
= HiiGetPackageString(&gEfiCallerIdGuid
, TokenToGet
, NULL
);
66 DescriptionStrLen
= StrLen(DeviceDescription
);
67 if (DescriptionStrLen
> SMBIOS_STRING_MAX_LENGTH
) {
68 return EFI_UNSUPPORTED
;
72 // Two zeros following the last string.
74 SmbiosRecord
= AllocatePool(sizeof (SMBIOS_TABLE_TYPE10
) + DescriptionStrLen
+ 1 + 1);
75 ZeroMem(SmbiosRecord
, sizeof (SMBIOS_TABLE_TYPE10
) + DescriptionStrLen
+ 1 + 1);
77 SmbiosRecord
->Hdr
.Type
= EFI_SMBIOS_TYPE_ONBOARD_DEVICE_INFORMATION
;
78 SmbiosRecord
->Hdr
.Length
= sizeof (SMBIOS_TABLE_TYPE10
);
80 // Make handle chosen by smbios protocol.add automatically.
82 SmbiosRecord
->Hdr
.Handle
= 0;
85 // Status & Type: Bit 7 Devicen Status, Bits 6:0 Type of Device
87 StatusAndType
= (UINT8
) ForType10InputData
->OnBoardDeviceStatus
.DeviceType
;
88 if (ForType10InputData
->OnBoardDeviceStatus
.DeviceEnabled
!= 0) {
89 StatusAndType
|= 0x80;
91 StatusAndType
&= 0x7F;
94 SmbiosRecord
->Device
[0].DeviceType
= StatusAndType
;
95 SmbiosRecord
->Device
[0].DescriptionString
= 1;
96 OptionalStrStart
= (CHAR8
*)(SmbiosRecord
+ 1);
97 UnicodeStrToAsciiStr(DeviceDescription
, OptionalStrStart
);
100 // Now we have got the full smbios record, call smbios protocol to add this record.
102 SmbiosHandle
= SMBIOS_HANDLE_PI_RESERVED
;
103 Status
= Smbios
-> Add(
107 (EFI_SMBIOS_TABLE_HEADER
*) SmbiosRecord
109 FreePool(SmbiosRecord
);