Files
system76-edk2/QuarkPlatformPkg/Platform/Dxe/SmbiosMiscDxe/MiscOnboardDeviceFunction.c
2019-04-09 10:58:21 -07:00

106 lines
3.2 KiB
C

/** @file
Onboard device information boot time changes.
SMBIOS type 10.
Copyright (c) 2013-2015 Intel Corporation.
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include "CommonHeader.h"
#include "SmbiosMisc.h"
/**
This function makes boot time changes to the contents of the
MiscOnboardDevice (Type 10).
@param RecordData Pointer to copy of RecordData from the Data Table.
@retval EFI_SUCCESS All parameters were valid.
@retval EFI_UNSUPPORTED Unexpected RecordType value.
@retval EFI_INVALID_PARAMETER Invalid parameter was found.
**/
MISC_SMBIOS_TABLE_FUNCTION(MiscOnboardDevice)
{
CHAR8 *OptionalStrStart;
UINT8 StatusAndType;
UINTN DescriptionStrLen;
EFI_STRING DeviceDescription;
STRING_REF TokenToGet;
EFI_STATUS Status;
EFI_SMBIOS_HANDLE SmbiosHandle;
SMBIOS_TABLE_TYPE10 *SmbiosRecord;
EFI_MISC_ONBOARD_DEVICE *ForType10InputData;
ForType10InputData = (EFI_MISC_ONBOARD_DEVICE *)RecordData;
//
// First check for invalid parameters.
//
if (RecordData == NULL) {
return EFI_INVALID_PARAMETER;
}
TokenToGet = 0;
switch (ForType10InputData->OnBoardDeviceDescription) {
case STR_MISC_ONBOARD_DEVICE_VIDEO:
TokenToGet = STRING_TOKEN (STR_MISC_ONBOARD_DEVICE_VIDEO);
break;
case STR_MISC_ONBOARD_DEVICE_AUDIO:
TokenToGet = STRING_TOKEN (STR_MISC_ONBOARD_DEVICE_AUDIO);
break;
}
DeviceDescription = HiiGetPackageString(&gEfiCallerIdGuid, TokenToGet, NULL);
DescriptionStrLen = StrLen(DeviceDescription);
if (DescriptionStrLen > SMBIOS_STRING_MAX_LENGTH) {
return EFI_UNSUPPORTED;
}
//
// Two zeros following the last string.
//
SmbiosRecord = AllocatePool(sizeof (SMBIOS_TABLE_TYPE10) + DescriptionStrLen + 1 + 1);
ZeroMem(SmbiosRecord, sizeof (SMBIOS_TABLE_TYPE10) + DescriptionStrLen + 1 + 1);
SmbiosRecord->Hdr.Type = EFI_SMBIOS_TYPE_ONBOARD_DEVICE_INFORMATION;
SmbiosRecord->Hdr.Length = sizeof (SMBIOS_TABLE_TYPE10);
//
// Make handle chosen by smbios protocol.add automatically.
//
SmbiosRecord->Hdr.Handle = 0;
//
// Status & Type: Bit 7 Devicen Status, Bits 6:0 Type of Device
//
StatusAndType = (UINT8) ForType10InputData->OnBoardDeviceStatus.DeviceType;
if (ForType10InputData->OnBoardDeviceStatus.DeviceEnabled != 0) {
StatusAndType |= 0x80;
} else {
StatusAndType &= 0x7F;
}
SmbiosRecord->Device[0].DeviceType = StatusAndType;
SmbiosRecord->Device[0].DescriptionString = 1;
OptionalStrStart = (CHAR8 *)(SmbiosRecord + 1);
UnicodeStrToAsciiStr(DeviceDescription, OptionalStrStart);
//
// Now we have got the full smbios record, call smbios protocol to add this record.
//
SmbiosHandle = SMBIOS_HANDLE_PI_RESERVED;
Status = Smbios-> Add(
Smbios,
NULL,
&SmbiosHandle,
(EFI_SMBIOS_TABLE_HEADER *) SmbiosRecord
);
FreePool(SmbiosRecord);
return Status;
}