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Diffstat (limited to 'Board/EM/MeWrapper/AmtWrapper/AmtPlatformPolicy/Pei/AmtPeiPolicyInit.c')
| -rw-r--r-- | Board/EM/MeWrapper/AmtWrapper/AmtPlatformPolicy/Pei/AmtPeiPolicyInit.c | 233 |
1 files changed, 233 insertions, 0 deletions
diff --git a/Board/EM/MeWrapper/AmtWrapper/AmtPlatformPolicy/Pei/AmtPeiPolicyInit.c b/Board/EM/MeWrapper/AmtWrapper/AmtPlatformPolicy/Pei/AmtPeiPolicyInit.c new file mode 100644 index 0000000..0a3ecc2 --- /dev/null +++ b/Board/EM/MeWrapper/AmtWrapper/AmtPlatformPolicy/Pei/AmtPeiPolicyInit.c @@ -0,0 +1,233 @@ +/*++ + 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; +} |