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Diffstat (limited to 'ReferenceCode/ME/Library/AMT/Pei/AmtPolicyLibPei.c')
| -rw-r--r-- | ReferenceCode/ME/Library/AMT/Pei/AmtPolicyLibPei.c | 241 |
1 files changed, 241 insertions, 0 deletions
diff --git a/ReferenceCode/ME/Library/AMT/Pei/AmtPolicyLibPei.c b/ReferenceCode/ME/Library/AMT/Pei/AmtPolicyLibPei.c new file mode 100644 index 0000000..472ebbc --- /dev/null +++ b/ReferenceCode/ME/Library/AMT/Pei/AmtPolicyLibPei.c @@ -0,0 +1,241 @@ +/** @file + Implementation file for AMT Policy functionality for PEIM + +@copyright + Copyright (c) 2006 - 2012 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. + + This file contains an 'Intel Peripheral Driver' and uniquely + identified as "Intel Reference Module" and is + licensed for Intel CPUs and chipsets under the terms of your + license agreement with Intel or your vendor. This file may + be modified by the user, subject to additional terms of the + license agreement +**/ + +// +// External include files do NOT need to be explicitly specified in real EDKII +// environment +// +#if !defined(EDK_RELEASE_VERSION) || (EDK_RELEASE_VERSION < 0x00020000) +#include "EdkIIGluePeim.h" +#include "AmtPolicyLibPei.h" +#endif + +EFI_GUID mPeiAmtStatusCodePpiGuid = PEI_AMT_STATUS_CODE_PPI_GUID; + +/** + Check if Amt is enabled in setup options. + + @param[in] PeiServices General purpose services available to every PEIM. + @param[in] PeiAmtPlatformPolicy The AMT Platform Policy protocol instance + + @retval EFI_SUCCESS AMT platform policy Ppi located + @retval All other error conditions encountered result in an ASSERT. +**/ +EFI_STATUS +PeiAmtPolicyLibInit ( + EFI_PEI_SERVICES **PeiServices, + PEI_AMT_PLATFORM_POLICY_PPI **PeiAmtPlatformPolicy + ) +{ + EFI_STATUS Status; + + /// + /// Locate system configuration variable + /// + Status = PeiServicesLocatePpi ( + &gPeiAmtPlatformPolicyPpiGuid, // GUID + 0, // INSTANCE + NULL, // EFI_PEI_PPI_DESCRIPTOR + (VOID **) PeiAmtPlatformPolicy // PPI + ); + ASSERT_EFI_ERROR (Status); + return Status; +} + +/** + Check if AMT WatchDog is enabled in setup options. + + @param[in] PeiServices Point to Pei Services structure + + @retval FALSE AMT WatchDog is disabled. + @retval TRUE AMT WatchDog is enabled. +**/ +BOOLEAN +PeiAmtWatchDog ( + IN EFI_PEI_SERVICES **PeiServices + ) +{ + EFI_STATUS Status; + BOOLEAN Supported; + PEI_AMT_PLATFORM_POLICY_PPI *PeiAmtPlatformPolicy; + + Supported = FALSE; + if (ManageabilityModeSetting (PeiServices) != 0) { + Status = PeiAmtPolicyLibInit (PeiServices, &PeiAmtPlatformPolicy); + ASSERT_EFI_ERROR (Status); + // + // First check if AMT WatchDog is enabled in Setup. + // + if (PeiAmtPlatformPolicy->WatchDog == 1) { + Supported = TRUE; + } + } + + return Supported; +} + +/** + Get WatchDog BIOS Timmer. + + @param[in] PeiServices Point to Pei Services structure + + @retval UINT16 WatchDog BIOS Timer +**/ +UINT16 +PeiAmtWatchTimerBiosGet ( + IN EFI_PEI_SERVICES **PeiServices + ) +{ + EFI_STATUS Status; + PEI_AMT_PLATFORM_POLICY_PPI *PeiAmtPlatformPolicy; + + Status = PeiAmtPolicyLibInit (PeiServices, &PeiAmtPlatformPolicy); + ASSERT_EFI_ERROR (Status); + + return PeiAmtPlatformPolicy->WatchDogTimerBios; +} + +/** + Check if AMT is enabled in setup options. + + @param[in] PeiServices Point to Pei Services structure + + @retval FALSE ActiveManagement is disabled. + @retval TRUE ActiveManagement is enabled. +**/ +BOOLEAN +PeiAmtSupported ( + IN EFI_PEI_SERVICES **PeiServices + ) +{ + EFI_STATUS Status; + BOOLEAN Supported; + PEI_AMT_PLATFORM_POLICY_PPI *PeiAmtPlatformPolicy; + + Status = PeiAmtPolicyLibInit (PeiServices, &PeiAmtPlatformPolicy); + ASSERT_EFI_ERROR (Status); + + // + // First check if AMT support is enabled in Setup. + // + if (PeiAmtPlatformPolicy->iAmtEnabled == 1) { + Supported = TRUE; + } else { + Supported = FALSE; + } + + return Supported; +} + +/** + Check if ASF is enabled in setup options. + + @param[in] PeiServices Point to Pei Services structure + + @retval FALSE ASF is disabled. + @retval TRUE ASF is enabled. +**/ +BOOLEAN +PeiAsfSupported ( + IN EFI_PEI_SERVICES **PeiServices + ) +{ + EFI_STATUS Status; + BOOLEAN Supported; + PEI_AMT_PLATFORM_POLICY_PPI *PeiAmtPlatformPolicy; + + Status = PeiAmtPolicyLibInit (PeiServices, &PeiAmtPlatformPolicy); + ASSERT_EFI_ERROR (Status); + + if (PeiAmtPlatformPolicy->Revision < PEI_AMT_PLATFORM_POLICY_PPI_REVISION_2) { + return FALSE; + } + // + // First check if ASF support is enabled in Setup. + // + if (PeiAmtPlatformPolicy->AsfEnabled == 1) { + Supported = TRUE; + } else { + Supported = FALSE; + } + + return Supported; +} + +/** + Provide Manageability Mode setting from MEBx BIOS Sync Data + + @param[in] PeiServices Point to Pei Services structure + + @retval UINT8 Manageability Mode = MNT_AMT or MNT_ASF +**/ +UINT8 +ManageabilityModeSetting ( + IN EFI_PEI_SERVICES **PeiServices + ) +{ + EFI_STATUS Status; + PEI_AMT_PLATFORM_POLICY_PPI *PeiAmtPlatformPolicy; + + Status = PeiAmtPolicyLibInit (PeiServices, &PeiAmtPlatformPolicy); + ASSERT_EFI_ERROR (Status); + + if (PeiAmtPlatformPolicy->Revision < PEI_AMT_PLATFORM_POLICY_PPI_REVISION_2) { + return 0; + } + + return (UINT8) (PeiAmtPlatformPolicy->ManageabilityMode); +} + +/** + This will return progress event Option. + True if the option is enabled. + + @param[in] PeiServices Point to Pei Services structure + + @retval True progress event is enabled. + @retval False progress event is disabled. +**/ +BOOLEAN +PeiFwProgressSupport ( + IN EFI_PEI_SERVICES **PeiServices + ) +{ + EFI_STATUS Status; + BOOLEAN Supported; + PEI_AMT_PLATFORM_POLICY_PPI *PeiAmtPlatformPolicy; + + Status = PeiAmtPolicyLibInit (PeiServices, &PeiAmtPlatformPolicy); + ASSERT_EFI_ERROR (Status); + + Supported = FALSE; + + if (PeiAmtPlatformPolicy->Revision >= PEI_AMT_PLATFORM_POLICY_PPI_REVISION_3) { + // + // Check if progress event is enabled in Setup. + // + if (PeiAmtPlatformPolicy->FWProgress == 1) { + Supported = TRUE; + } + } + + return Supported; +} |