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/*++
This file contains a 'Sample Driver' and is licensed as such
under the terms of your license agreement with Intel or your
vendor. This file may be modified by the user, subject to
the additional terms of the license agreement
--*/
/*++
Copyright (c) 1999 - 2010 Intel Corporation. All rights reserved
This software and associated documentation (if any) is furnished
under a license and may only be used or copied in accordance
with the terms of the license. Except as permitted by such
license, no part of this software or documentation may be
reproduced, stored in a retrieval system, or transmitted in any
form or by any means without the express written consent of
Intel Corporation.
Module Name:
AmtPeiPolicyInit.c
Abstract:
This file is SampleCode for Intel AMT PEI Platform Policy initialzation.
--*/
#include "AmtPeiPolicyInit.h"
#if EFI_SPECIFICATION_VERSION>0x20000
#define __UEFI_HII__H__
#define __HII_CONFIG_ACCESS__H__
#include EFI_PROTOCOL_DEFINITION (HiiConfigAccess)
#else
#ifndef GUID_VARIABLE_DECLARATION
#define GUID_VARIABLE_DECLARATION(Variable, Guid) extern EFI_GUID Variable
#endif
#define __UEFI_HII__H__
#define __HII_PROTOCOL_H__
#define _HII_H_
#endif
#include <Setup.h>
#include EFI_PPI_DEFINITION (Variable)
#include EFI_GUID_DEFINITION (MeBiosExtensionSetup)
#include <ActiveManagement\AlertStandardFormat\Heci\Common\AlertStandardFormatCommon.h>
#include <Guid\AmtForcePushPetPolicy\AmtForcePushPetPolicy.h>
EFI_GUID gSetupGuid = SETUP_GUID;
EFI_GUID gEfiMeBiosExtensionSetupGuid = EFI_ME_BIOS_EXTENSION_SETUP_GUID;
CHAR16 gEfiMeBiosExtensionSetupName[] = EFI_ME_BIOS_EXTENSION_SETUP_VARIABLE_NAME;
EFI_GUID gPeiReadOnlyVariablePpiGuid = PEI_READ_ONLY_VARIABLE_ACCESS_PPI_GUID;
EFI_GUID gAmtForcePushPetPolicyGuid = AMT_FORCE_PUSH_PET_POLICY_GUID;
EFI_STATUS
CreateAmtForcePushPetPolicyHob(
IN EFI_PEI_SERVICES **PeiServices
);
//
// Function implementations
//
EFI_STATUS
AmtPeiPolicyInitEntryPoint (
IN EFI_FFS_FILE_HEADER *FfsHeader,
IN EFI_PEI_SERVICES **PeiServices
)
/*++
Routine Description:
Initilize Intel AMT PEI Platform Policy
Arguments:
FfsHeader Pointer to Firmware File System file header.
PeiServices General purpose services available to every PEIM.
Returns:
EFI_STATUS
--*/
{
EFI_STATUS Status;
PEI_AMT_PLATFORM_POLICY_PPI *AmtPlatformPolicyPpi;
EFI_PEI_PPI_DESCRIPTOR *AmtPlatformPolicyPpiDesc;
EFI_PEI_READ_ONLY_VARIABLE_PPI *VariableServices;
UINTN VariableSize;
SETUP_DATA SetupData;
ME_BIOS_EXTENSION_SETUP MeBiosExtensionSetupData;
//
// Allocate descriptor and PPI structures
//
AmtPlatformPolicyPpi = (PEI_AMT_PLATFORM_POLICY_PPI *) AllocateZeroPool (sizeof (PEI_AMT_PLATFORM_POLICY_PPI));
ASSERT (AmtPlatformPolicyPpi != NULL);
if (AmtPlatformPolicyPpi == NULL) {
return EFI_OUT_OF_RESOURCES;
}
AmtPlatformPolicyPpiDesc = (EFI_PEI_PPI_DESCRIPTOR *) AllocateZeroPool (sizeof (EFI_PEI_PPI_DESCRIPTOR));
ASSERT (AmtPlatformPolicyPpiDesc != NULL);
if (AmtPlatformPolicyPpiDesc == NULL) {
return EFI_OUT_OF_RESOURCES;
}
//
// Initialize the PPI
//
AmtPlatformPolicyPpiDesc->Flags = EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST;
AmtPlatformPolicyPpiDesc->Guid = &gPeiAmtPlatformPolicyPpiGuid;
// Locate Variable Ppi
Status = (*PeiServices)->LocatePpi (PeiServices, &gPeiReadOnlyVariablePpiGuid, 0, NULL, &VariableServices);
//
// Make sure we have a PPI, if not, just return.
//
if (!VariableServices) {
return EFI_SUCCESS;
}
//
// Get Setup Variable
//
VariableSize = sizeof (SETUP_DATA);
Status = VariableServices->PeiGetVariable (
PeiServices,
L"Setup",
&gSetupGuid,
NULL,
&VariableSize,
&SetupData
);
//
// Update the REVISION number
//
AmtPlatformPolicyPpi->Revision = PEI_AMT_PLATFORM_POLICY_PPI_REVISION_5;
//
// Initialize the Platform Configuration
//
if (Status != EFI_SUCCESS) {
AmtPlatformPolicyPpi->iAmtEnabled = 0;
AmtPlatformPolicyPpi->WatchDog = 0;
AmtPlatformPolicyPpi->WatchDogTimerBios = 0;
AmtPlatformPolicyPpi->WatchDogTimerOs = 0;
AmtPlatformPolicyPpi->AsfEnabled = 1;
AmtPlatformPolicyPpi->FWProgress = 1;
} else {
AmtPlatformPolicyPpi->iAmtEnabled = SetupData.Amt;
AmtPlatformPolicyPpi->WatchDog = SetupData.WatchDog;
AmtPlatformPolicyPpi->WatchDogTimerBios = SetupData.WatchDogTimerBios;
AmtPlatformPolicyPpi->WatchDogTimerOs = SetupData.WatchDogTimerOs;
AmtPlatformPolicyPpi->AsfEnabled = SetupData.Asf;
AmtPlatformPolicyPpi->FWProgress = SetupData.FWProgress;
}
//
// Get BIOS Sync-up data from MEBx to AMT platform policy
//
VariableSize = sizeof (MeBiosExtensionSetupData);
Status = VariableServices->PeiGetVariable(
PeiServices,
gEfiMeBiosExtensionSetupName,
&gEfiMeBiosExtensionSetupGuid,
NULL,
&VariableSize,
&MeBiosExtensionSetupData
);
if (Status != EFI_SUCCESS) {
AmtPlatformPolicyPpi->ManageabilityMode = 0;
} else {
AmtPlatformPolicyPpi->ManageabilityMode = MeBiosExtensionSetupData.PlatformMngSel;
}
// Debug UpdatePeiAmtPlatformPolicy (PeiServices, AmtPlatformPolicyPpi);
AmtPlatformPolicyPpiDesc->Ppi = AmtPlatformPolicyPpi;
//
// Install the ME PEI Platform Policy PPI
//
Status = (**PeiServices).InstallPpi (PeiServices, AmtPlatformPolicyPpiDesc);
ASSERT_PEI_ERROR (PeiServices, Status);
CreateAmtForcePushPetPolicyHob(PeiServices);
return Status;
}
EFI_FRAMEWORK_MESSAGE_TYPE mAmtForcePushPetPolicy[] = {
EfiAsfMessageChassisIntrusion,
EfiAsfMessageUserAuthenticationInvalid,
EfiAsfMessageHddAuthenticationInvalid,
};
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
//
// Procedure: CreateAmtForcePushPetPolicyHob
//
// Description: Create AMT force push pet policy HOB.
//
// Input: IN EFI_PEI_SERVICES **PeiServices,
//
// Output: EFI_STATUS
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
EFI_STATUS
CreateAmtForcePushPetPolicyHob(
IN EFI_PEI_SERVICES **PeiServices
)
{
EFI_STATUS Status;
EFI_HOB_GUID_TYPE *Hob;
// Build the GUID'd HOB for DXE
Status = (*PeiServices)->CreateHob (
PeiServices,
EFI_HOB_TYPE_GUID_EXTENSION,
(UINT16) (sizeof (EFI_HOB_GUID_TYPE) + sizeof(mAmtForcePushPetPolicy)),
&Hob
);
if (EFI_ERROR (Status))return Status;
((EFI_HOB_GUID_TYPE *)(Hob))->Name = gAmtForcePushPetPolicyGuid;
Hob++;
GlueCopyMem (Hob, mAmtForcePushPetPolicy, sizeof(mAmtForcePushPetPolicy));
return EFI_SUCCESS;
}
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