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//*************************************************************************
//*************************************************************************
//** **
//** (C)Copyright 1985-2010, American Megatrends, Inc. **
//** **
//** All Rights Reserved. **
//** **
//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 **
//** **
//** Phone: (770)-246-8600 **
//** **
//*************************************************************************
//*************************************************************************
//**********************************************************************
// $Header: /Alaska/SOURCE/Modules/SharkBayRefCodes/ME/AmtWrapper/AmtSetup/AmtSetup.c 5 5/14/14 9:48p Tristinchou $
//
// $Revision: 5 $
//
// $Date: 5/14/14 9:48p $
//**********************************************************************
// Revision History
// ----------------
// $Log: /Alaska/SOURCE/Modules/SharkBayRefCodes/ME/AmtWrapper/AmtSetup/AmtSetup.c $
//
// 5 5/14/14 9:48p Tristinchou
// [TAG] EIP167030
// [Category] Improvement
// [Description] Remove the variable runtime attribute and keep original
// attributes.
//
// 4 9/19/12 6:37a Klzhan
// Fix entry point return type.
//
// 3 6/05/12 2:05a Klzhan
// [TAG] EIP91581
// [Category] Improvement
// [Description] Avoid system crash when HECI reset
//
// 1 2/08/12 1:08a Klzhan
// Initial Check in
//
// 2 7/14/11 7:45a Klzhan
// Add "Disable ME" setup item.
//
// 1 2/25/11 1:44a Klzhan
// Initial Check-in
//
// 1 12/03/10 5:11a Klzhan
// Initial Check-in.
//
//**********************************************************************
//
//<AMI_FHDR_START>
//---------------------------------------------------------------------------
// Name: AMTSetup.c
//
// Description: AMT TSE Functions.
//
//---------------------------------------------------------------------------
//<AMI_FHDR_END>
#include "Token.h"
#include "Efi.h"
#include "EfiDriverLib.h"
#include "EfiCommonLib.h"
#include "Amt.h"
#include "EfiScriptLib.h"
#include "AmtLib.h"
#include "Include\Protocol\LegacySredir.h"
#include "AmtSetup.h"
#include <SetupDataDefinition.h>
#include "MELib.h"
#include EFI_PROTOCOL_CONSUMER (AmtPlatformPolicy)
#include EFI_PROTOCOL_CONSUMER (AmtWrapper)
#include EFI_PROTOCOL_DEFINITION (MeBiosPayloadData)
#include "Protocol\AmtWrapper\AmtWrapper.h"
EFI_GUID gEfiAmtWrapperProtocolGuid = EFI_AMT_WRAPPER_PROTOCOL_GUID;
#define SETUP_GUID { 0xEC87D643, 0xEBA4, 0x4BB5, 0xA1, 0xE5, 0x3F, 0x3E, 0x36, 0xB2, 0x0D, 0xA9 }
EFI_GUID gEfiSetupGuid = SETUP_GUID;
VOID
SetMEDisable (
IN UINT8 Grayout
)
{
#if defined(iAMT_SUPPORT) && (iAMT_SUPPORT == 1)
SETUP_DATA gSetupData;
UINTN SetupDataSize;
EFI_STATUS Status;
EFI_HECI_PROTOCOL *Heci;
UINT32 MeMode;
DXE_MBP_DATA_PROTOCOL *mBIOSPayLoad;
Status = gBS->LocateProtocol (
&gEfiHeciProtocolGuid,
NULL,
&Heci
);
if (EFI_ERROR (Status)) {
return;
}
Status = Heci->GetMeMode (&MeMode);
if (EFI_ERROR (Status)) {
return;
}
SetupDataSize = sizeof(SETUP_DATA);
Status = gRT->GetVariable ( L"Setup", \
&gEfiSetupGuid, \
NULL, \
&SetupDataSize, \
&gSetupData );
if (EFI_ERROR (Status)) {
return;
}
Status = gBS->LocateProtocol(&gMeBiosPayloadDataProtocolGuid,
NULL, &mBIOSPayLoad);
if (EFI_ERROR (Status)) {
return;
}
if(gSetupData.MEDisabled)
{
// AT in Inactive mode, and no SOL or IDER or KVM session
// can't set ME to disabled
if((MeMode == ME_MODE_NORMAL) &&
(mBIOSPayLoad->MeBiosPayload.AtState.State == 0) &&
(Grayout == 0))
{
Status = HeciSetMeDisableMsg();
if(!EFI_ERROR(Status))
{
Status = HeciSendCbmResetRequest (CBM_RR_REQ_ORIGIN_BIOS_POST, CBM_HRR_GLOBAL_RESET);
if(!EFI_ERROR(Status))
EFI_DEADLOOP();
}
}
}else
{
if(MeMode == ME_MODE_TEMP_DISABLED)
{
Status = HeciSetMeEnableMsg();
if(!EFI_ERROR(Status))
{
Status = HeciSendCbmResetRequest (CBM_RR_REQ_ORIGIN_BIOS_POST, CBM_HRR_GLOBAL_RESET);
if(!EFI_ERROR(Status))
EFI_DEADLOOP();
}
}
}
#endif
}
EFI_STATUS
InitializeAmtSetup (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
SETUP_AMT_FEATURES SetupAmtFeatures;
EFI_STATUS Status;
UINT32 VarAttr;
UINTN VariableSize;
UINTN Update = 0;
UINT8 GrayOut;
AMT_WRAPPER_PROTOCOL *pAmtWrapper = NULL;
EfiInitializeDriverLib (ImageHandle, SystemTable);
Status = gBS->LocateProtocol(
&gEfiAmtWrapperProtocolGuid,
NULL,
&pAmtWrapper);
ASSERT_EFI_ERROR(Status);
VariableSize = sizeof(SETUP_AMT_FEATURES);
Status = gRT->GetVariable(
L"SetupAmtFeatures",
&gEfiSetupGuid,
&VarAttr,
&VariableSize,
&SetupAmtFeatures);
if ( pAmtWrapper->ActiveManagementEnableIdeR() ||
pAmtWrapper->ActiveManagementEnableSol() ||
pAmtWrapper->ActiveManagementEnableKvm()) {
GrayOut = 1;
} else {
GrayOut = 0;
}
if (SetupAmtFeatures.GrayOut != GrayOut) {
SetupAmtFeatures.GrayOut = GrayOut;
Update = 1;
}
if (Update || EFI_ERROR(Status)) {
if( Status == EFI_NOT_FOUND )
VarAttr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS;
Status = gRT->SetVariable(
L"SetupAmtFeatures",
&gEfiSetupGuid,
VarAttr,
sizeof(SETUP_AMT_FEATURES),
&SetupAmtFeatures);
ASSERT_EFI_ERROR(Status);
}
SetMEDisable(GrayOut);
return EFI_SUCCESS;
}
//*************************************************************************
//*************************************************************************
//** **
//** (C)Copyright 1985-2010, American Megatrends, Inc. **
//** **
//** All Rights Reserved. **
//** **
//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 **
//** **
//** Phone: (770)-246-8600 **
//** **
//*************************************************************************
//*************************************************************************
|
