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audk/Vlv2TbltDevicePkg/SmBiosMiscDxe/MiscOemType0x90Function.c

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/*++
Copyright (c) 1999 - 2014, Intel Corporation. All rights reserved.
This program and the accompanying materials are licensed and made available under
the terms and conditions of the BSD License that 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:
MiscOemType0x88Function.c
Abstract:
The function that processes the Smbios data type 0x88 before they
are submitted to Data Hub
--*/
#include "CommonHeader.h"
#include "MiscSubclassDriver.h"
#include <Library/PrintLib.h>
#include <Library/CpuIA32.h>
#include <Protocol/DxeSmmReadyToLock.h>
VOID
GetCPUStepping ( )
{
CHAR16 Buffer[40];
UINT16 FamilyId;
UINT8 Model;
UINT8 SteppingId;
UINT8 ProcessorType;
EfiCpuVersion (&FamilyId, &Model, &SteppingId, &ProcessorType);
//
//we need raw Model data
//
Model = Model & 0xf;
//
//Family/Model/Step
//
UnicodeSPrint (Buffer, sizeof (Buffer), L"%d/%d/%d", FamilyId, Model, SteppingId);
HiiSetString(mHiiHandle,STRING_TOKEN(STR_MISC_PROCESSOR_STEPPING), Buffer, NULL);
}
EFI_STATUS
SearchChildHandle(
EFI_HANDLE Father,
EFI_HANDLE *Child
)
{
EFI_STATUS Status;
UINTN HandleIndex;
EFI_GUID **ProtocolGuidArray = NULL;
UINTN ArrayCount;
UINTN ProtocolIndex;
UINTN OpenInfoCount;
UINTN OpenInfoIndex;
EFI_OPEN_PROTOCOL_INFORMATION_ENTRY *OpenInfo = NULL;
UINTN mHandleCount;
EFI_HANDLE *mHandleBuffer= NULL;
//
// Retrieve the list of all handles from the handle database
//
Status = gBS->LocateHandleBuffer (
AllHandles,
NULL,
NULL,
&mHandleCount,
&mHandleBuffer
);
for (HandleIndex = 0; HandleIndex < mHandleCount; HandleIndex++) {
//
// Retrieve the list of all the protocols on each handle
//
Status = gBS->ProtocolsPerHandle (
mHandleBuffer[HandleIndex],
&ProtocolGuidArray,
&ArrayCount
);
if (!EFI_ERROR (Status)) {
for (ProtocolIndex = 0; ProtocolIndex < ArrayCount; ProtocolIndex++) {
Status = gBS->OpenProtocolInformation (
mHandleBuffer[HandleIndex],
ProtocolGuidArray[ProtocolIndex],
&OpenInfo,
&OpenInfoCount
);
if (!EFI_ERROR (Status)) {
for (OpenInfoIndex = 0; OpenInfoIndex < OpenInfoCount; OpenInfoIndex++) {
if(OpenInfo[OpenInfoIndex].AgentHandle == Father) {
if ((OpenInfo[OpenInfoIndex].Attributes & EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER) == EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER) {
*Child = mHandleBuffer[HandleIndex];
Status = EFI_SUCCESS;
goto TryReturn;
}
}
}
Status = EFI_NOT_FOUND;
}
}
if(OpenInfo != NULL) {
FreePool(OpenInfo);
OpenInfo = NULL;
}
}
if(ProtocolGuidArray != NULL) {
FreePool (ProtocolGuidArray);
ProtocolGuidArray = NULL;
}
}
TryReturn:
if(OpenInfo != NULL) {
FreePool (OpenInfo);
OpenInfo = NULL;
}
if(ProtocolGuidArray != NULL) {
FreePool(ProtocolGuidArray);
ProtocolGuidArray = NULL;
}
if(mHandleBuffer != NULL) {
FreePool (mHandleBuffer);
mHandleBuffer = NULL;
}
return Status;
}
EFI_STATUS
JudgeHandleIsPCIDevice(
EFI_HANDLE Handle,
UINT8 Device,
UINT8 Funs
)
{
EFI_STATUS Status;
EFI_DEVICE_PATH *DPath;
Status = gBS->HandleProtocol (
Handle,
&gEfiDevicePathProtocolGuid,
(VOID **) &DPath
);
if(!EFI_ERROR(Status)) {
while(!IsDevicePathEnd(DPath)) {
if((DPath->Type == HARDWARE_DEVICE_PATH) && (DPath->SubType == HW_PCI_DP)) {
PCI_DEVICE_PATH *PCIPath;
PCIPath = (PCI_DEVICE_PATH*) DPath;
DPath = NextDevicePathNode(DPath);
if(IsDevicePathEnd(DPath) && (PCIPath->Device == Device) && (PCIPath->Function == Funs)) {
return EFI_SUCCESS;
}
} else {
DPath = NextDevicePathNode(DPath);
}
}
}
return EFI_UNSUPPORTED;
}
EFI_STATUS
GetDriverName(
EFI_HANDLE Handle
)
{
EFI_DRIVER_BINDING_PROTOCOL *BindHandle = NULL;
EFI_STATUS Status;
UINT32 Version;
UINT16 *Ptr;
CHAR16 Buffer[40];
STRING_REF TokenToUpdate;
Status = gBS->OpenProtocol(
Handle,
&gEfiDriverBindingProtocolGuid,
(VOID**)&BindHandle,
NULL,
NULL,
EFI_OPEN_PROTOCOL_GET_PROTOCOL
);
if (EFI_ERROR(Status)) {
return EFI_NOT_FOUND;
}
Version = BindHandle->Version;
Ptr = (UINT16*)&Version;
UnicodeSPrint(Buffer, sizeof (Buffer), L"%d.%d.%d", Version >> 24 , (Version >>16)& 0x0f ,*(Ptr));
TokenToUpdate = (STRING_REF)STR_MISC_GOP_VERSION;
HiiSetString(mHiiHandle, TokenToUpdate, Buffer, NULL);
return EFI_SUCCESS;
}
EFI_STATUS
GetGOPDriverName()
{
UINTN HandleCount;
EFI_HANDLE *Handles= NULL;
UINTN Index;
EFI_STATUS Status;
EFI_HANDLE Child = 0;
Status = gBS->LocateHandleBuffer(
ByProtocol,
&gEfiDriverBindingProtocolGuid,
NULL,
&HandleCount,
&Handles
);
for (Index = 0; Index < HandleCount ; Index++) {
Status = SearchChildHandle(Handles[Index], &Child);
if(!EFI_ERROR(Status)) {
Status = JudgeHandleIsPCIDevice(Child, 0x02, 0x00);
if(!EFI_ERROR(Status)) {
return GetDriverName(Handles[Index]);
}
}
}
return EFI_UNSUPPORTED;
}
VOID
GetUcodeVersion()
{
UINT32 MicroCodeVersion;
CHAR16 Buffer[40];
//
// Microcode Revision
//
EfiWriteMsr (EFI_MSR_IA32_BIOS_SIGN_ID, 0);
EfiCpuid (EFI_CPUID_VERSION_INFO, NULL);
MicroCodeVersion = (UINT32) RShiftU64 (EfiReadMsr (EFI_MSR_IA32_BIOS_SIGN_ID), 32);
UnicodeSPrint (Buffer, sizeof (Buffer), L"%x", MicroCodeVersion);
HiiSetString(mHiiHandle,STRING_TOKEN(STR_MISC_UCODE_VERSION), Buffer, NULL);
}
/**
Publish the smbios OEM type 0x90.
@param Event - Event whose notification function is being invoked (gEfiDxeSmmReadyToLockProtocolGuid).
@param Context - Pointer to the notification functions context, which is implementation dependent.
@retval None
**/
EFI_STATUS
EFIAPI
AddSmbiosT0x90Callback (
IN EFI_EVENT Event,
IN VOID *Context
)
{
EFI_STATUS Status;
UINTN SECVerStrLen = 0;
UINTN uCodeVerStrLen = 0;
UINTN GOPStrLen = 0;
UINTN SteppingStrLen = 0;
SMBIOS_TABLE_TYPE90 *SmbiosRecord;
EFI_SMBIOS_HANDLE SmbiosHandle;
CHAR16 *SECVer;
CHAR16 *uCodeVer;
CHAR16 *GOPVer;
CHAR16 *Stepping;
STRING_REF TokenToGet;
CHAR8 *OptionalStrStart;
EFI_SMBIOS_PROTOCOL *SmbiosProtocol;
DEBUG ((EFI_D_INFO, "Executing SMBIOS T0x90 callback.\n"));
gBS->CloseEvent (Event); // Unload this event.
//
// First check for invalid parameters.
//
if (Context == NULL) {
return EFI_INVALID_PARAMETER;
}
Status = gBS->LocateProtocol (
&gEfiSmbiosProtocolGuid,
NULL,
(VOID *) &SmbiosProtocol
);
ASSERT_EFI_ERROR (Status);
GetUcodeVersion();
GetGOPDriverName();
GetCPUStepping();
TokenToGet = STRING_TOKEN (STR_MISC_SEC_VERSION);
SECVer = SmbiosMiscGetString (TokenToGet);
SECVerStrLen = StrLen(SECVer);
if (SECVerStrLen > SMBIOS_STRING_MAX_LENGTH) {
return EFI_UNSUPPORTED;
}
TokenToGet = STRING_TOKEN (STR_MISC_UCODE_VERSION);
uCodeVer = SmbiosMiscGetString (TokenToGet);
uCodeVerStrLen = StrLen(uCodeVer);
if (uCodeVerStrLen > SMBIOS_STRING_MAX_LENGTH) {
return EFI_UNSUPPORTED;
}
TokenToGet = STRING_TOKEN (STR_MISC_GOP_VERSION);
GOPVer = SmbiosMiscGetString (TokenToGet);
GOPStrLen = StrLen(GOPVer);
if (GOPStrLen > SMBIOS_STRING_MAX_LENGTH) {
return EFI_UNSUPPORTED;
}
TokenToGet = STRING_TOKEN (STR_MISC_PROCESSOR_STEPPING);
Stepping = SmbiosMiscGetString (TokenToGet);
SteppingStrLen = StrLen(Stepping);
if (SteppingStrLen > SMBIOS_STRING_MAX_LENGTH) {
return EFI_UNSUPPORTED;
}
SmbiosRecord = AllocatePool(sizeof (SMBIOS_TABLE_TYPE90) + SECVerStrLen + 1 + uCodeVerStrLen + 1 + GOPStrLen + 1 + SteppingStrLen + 1 + 1);
ZeroMem(SmbiosRecord, sizeof (SMBIOS_TABLE_TYPE90) + SECVerStrLen + 1 + uCodeVerStrLen + 1 + GOPStrLen + 1 + SteppingStrLen + 1 + 1);
SmbiosRecord->Hdr.Type = EFI_SMBIOS_TYPE_FIRMWARE_VERSION_INFO;
SmbiosRecord->Hdr.Length = sizeof (SMBIOS_TABLE_TYPE90);
//
// Make handle chosen by smbios protocol.add automatically.
//
SmbiosRecord->Hdr.Handle = 0;
//
// SEC VERSION will be the 1st optional string following the formatted structure.
//
SmbiosRecord->SECVersion = 0;
//
// Microcode VERSION will be the 2nd optional string following the formatted structure.
//
SmbiosRecord->uCodeVersion = 2;
//
// GOP VERSION will be the 3rd optional string following the formatted structure.
//
SmbiosRecord->GOPVersion = 3;
//
// CPU Stepping will be the 4th optional string following the formatted structure.
//
SmbiosRecord->CpuStepping = 4;
OptionalStrStart = (CHAR8 *)(SmbiosRecord + 1);
UnicodeStrToAsciiStr(SECVer, OptionalStrStart);
UnicodeStrToAsciiStr(uCodeVer, OptionalStrStart + SECVerStrLen + 1);
UnicodeStrToAsciiStr(GOPVer, OptionalStrStart + SECVerStrLen + 1 + uCodeVerStrLen + 1);
UnicodeStrToAsciiStr(Stepping, OptionalStrStart + SECVerStrLen + 1 + uCodeVerStrLen + 1 + GOPStrLen + 1);
//
// Now we have got the full smbios record, call smbios protocol to add this record.
//
SmbiosHandle = SMBIOS_HANDLE_PI_RESERVED;
Status = SmbiosProtocol-> Add(
SmbiosProtocol,
NULL,
&SmbiosHandle,
(EFI_SMBIOS_TABLE_HEADER *) SmbiosRecord
);
FreePool(SmbiosRecord);
return Status;
}
/**
This function makes boot time changes to the contents of the
MiscOemType0x90 (Type 0x90).
@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(MiscOemType0x90)
{
EFI_STATUS Status;
static BOOLEAN CallbackIsInstalledT0x90 = FALSE;
VOID *AddSmbiosT0x90CallbackNotifyReg;
EFI_EVENT AddSmbiosT0x90CallbackEvent;
//
// This callback will create a OEM Type 0x90 record.
//
if (CallbackIsInstalledT0x90 == FALSE) {
CallbackIsInstalledT0x90 = TRUE; // Prevent more than 1 callback.
DEBUG ((EFI_D_INFO, "Create Smbios T0x90 callback.\n"));
//
// gEfiDxeSmmReadyToLockProtocolGuid is ready
//
Status = gBS->CreateEvent (
EVT_NOTIFY_SIGNAL,
TPL_CALLBACK,
(EFI_EVENT_NOTIFY)AddSmbiosT0x90Callback,
RecordData,
&AddSmbiosT0x90CallbackEvent
);
ASSERT_EFI_ERROR (Status);
if (EFI_ERROR (Status)) {
return Status;
}
Status = gBS->RegisterProtocolNotify (
&gEfiDxeSmmReadyToLockProtocolGuid,
AddSmbiosT0x90CallbackEvent,
&AddSmbiosT0x90CallbackNotifyReg
);
return Status;
}
return EFI_SUCCESS;
}
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