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/**@file
Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2015, Hisilicon Limited. All rights reserved.<BR>
Copyright (c) 2015, Linaro Limited. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
Module Name:
SmbiosMiscEntryPoint.c
Abstract:
This driver parses the mSmbiosMiscDataTable structure and reports
any generated data using SMBIOS protocol.
Based on files under Nt32Pkg/MiscSubClassPlatformDxe/
**/
#include "SmbiosMisc.h"
#define MAX_HANDLE_COUNT 0x10
EFI_HANDLE mImageHandle;
EFI_HII_HANDLE mHiiHandle;
EFI_SMBIOS_PROTOCOL *mSmbios = NULL;
//
// Data Table Array
//
extern EFI_MISC_SMBIOS_DATA_TABLE mSmbiosMiscDataTable[];
//
// Data Table Array Entries
//
extern UINTN mSmbiosMiscDataTableEntries;
extern UINT8 SmbiosMiscDxeStrings[];
/**
Standard EFI driver point. This driver parses the mSmbiosMiscDataTable
structure and reports any generated data using SMBIOS protocol.
@param ImageHandle Handle for the image of this driver
@param SystemTable Pointer to the EFI System Table
@retval EFI_SUCCESS The data was successfully stored.
**/
EFI_STATUS
EFIAPI
SmbiosMiscEntryPoint(
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
UINTN Index;
EFI_STATUS EfiStatus;
EFI_SMBIOS_PROTOCOL *Smbios;
mImageHandle = ImageHandle;
EfiStatus = gBS->LocateProtocol(&gEfiSmbiosProtocolGuid, NULL, (VOID**)&Smbios);
if (EFI_ERROR(EfiStatus))
{
DEBUG((EFI_D_ERROR, "Could not locate SMBIOS protocol. %r\n", EfiStatus));
return EfiStatus;
}
mSmbios = Smbios;
mHiiHandle = HiiAddPackages (
&gEfiCallerIdGuid,
mImageHandle,
SmbiosMiscDxeStrings,
NULL
);
if(mHiiHandle == NULL)
{
return EFI_OUT_OF_RESOURCES;
}
for (Index = 0; Index < mSmbiosMiscDataTableEntries; ++Index)
{
//
// If the entry have a function pointer, just log the data.
//
if (mSmbiosMiscDataTable[Index].Function != NULL)
{
EfiStatus = (*mSmbiosMiscDataTable[Index].Function)(
mSmbiosMiscDataTable[Index].RecordData,
Smbios
);
if (EFI_ERROR(EfiStatus))
{
DEBUG((EFI_D_ERROR, "Misc smbios store error. Index=%d, ReturnStatus=%r\n", Index, EfiStatus));
return EfiStatus;
}
}
}
return EfiStatus;
}
/**
Logs SMBIOS record.
@param Buffer The data for the fixed portion of the SMBIOS record. The format of the record is
determined by EFI_SMBIOS_TABLE_HEADER.Type. The size of the formatted area is defined
by EFI_SMBIOS_TABLE_HEADER.Length and either followed by a double-null (0x0000) or
a set of null terminated strings and a null.
@param SmbiosHandle A unique handle will be assigned to the SMBIOS record.
@retval EFI_SUCCESS Record was added.
@retval EFI_OUT_OF_RESOURCES Record was not added due to lack of system resources.
**/
EFI_STATUS
LogSmbiosData (
IN UINT8 *Buffer,
IN OUT EFI_SMBIOS_HANDLE *SmbiosHandle
)
{
EFI_STATUS Status;
*SmbiosHandle = SMBIOS_HANDLE_PI_RESERVED;
Status = mSmbios->Add (
mSmbios,
NULL,
SmbiosHandle,
(EFI_SMBIOS_TABLE_HEADER *)Buffer
);
return Status;
}
VOID
GetLinkTypeHandle(
IN UINT8 SmbiosType,
OUT UINT16 **HandleArray,
OUT UINTN *HandleCount
)
{
EFI_STATUS Status;
EFI_SMBIOS_HANDLE SmbiosHandle;
EFI_SMBIOS_TABLE_HEADER *LinkTypeData = NULL;
if(mSmbios == NULL)
return ;
SmbiosHandle = SMBIOS_HANDLE_PI_RESERVED;
*HandleArray = AllocateZeroPool(sizeof(UINT16) * MAX_HANDLE_COUNT);
if (*HandleArray == NULL)
{
DEBUG ((EFI_D_INFO, "HandleArray allocate memory resource failed.\n"));
return;
}
*HandleCount = 0;
while(1)
{
Status = mSmbios->GetNext(
mSmbios,
&SmbiosHandle,
&SmbiosType,
&LinkTypeData,
NULL
);
if(!EFI_ERROR(Status))
{
(*HandleArray)[*HandleCount] = LinkTypeData->Handle;
(*HandleCount)++;
}
else
{
break;
}
}
}
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