This library should be linked by SmmChildDispatch to report the hardware SMI handler maintained by SmmChildDispatch.
Cc: Michael D Kinney <michael.d.kin...@intel.com> Cc: Liming Gao <liming....@intel.com> Cc: Laszlo Ersek <ler...@redhat.com> Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Jiewen Yao <jiewen....@intel.com> --- MdePkg/Include/Library/SmiHandlerProfileLib.h | 81 ++++++++++++++++++++ MdePkg/MdePkg.dec | 5 +- 2 files changed, 85 insertions(+), 1 deletion(-) diff --git a/MdePkg/Include/Library/SmiHandlerProfileLib.h b/MdePkg/Include/Library/SmiHandlerProfileLib.h new file mode 100644 index 0000000..10b7323 --- /dev/null +++ b/MdePkg/Include/Library/SmiHandlerProfileLib.h @@ -0,0 +1,81 @@ +/** @file + Provides services to log the SMI handler registration. + + This API provides services for the SMM Child Dispatch Protocols provider, + to register SMI handler information to SmmCore. + + NOTE: + There is no need to update the consumers of SMST->SmiHandlerRegister() or + the consumers of SMM Child Dispatch Protocols. + The SmmCore (who produces SMST) should have ability to register such + information directly. + The SmmChildDispatcher (who produces SMM Child Dispatch Protocols) should + be responsible to call the services to register information to SMM Core. + +Copyright (c) 2017, Intel Corporation. All rights reserved.<BR> +This program and the accompanying materials +are licensed and made available under the terms and conditions of the BSD License +which 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. + +**/ + +#ifndef __SMI_HANDLER_PROFILE_LIB_H__ +#define __SMI_HANDLER_PROFILE_LIB_H__ + +#include <PiSmm.h> + +/** + This function is called by SmmChildDispatcher module to report + a new SMI handler is registered, to SmmCore. + + @param HandlerGuid The GUID to identify the type of the handler. + For the SmmChildDispatch protocol, the HandlerGuid + must be the GUID of SmmChildDispatch protocol. + @param Handler The SMI handler. + @param CallerAddress The address of the module who registers the SMI handler. + @param Context The context of the SMI handler. + For the SmmChildDispatch protocol, the Context + must match the one defined for SmmChildDispatch protocol. + @param ContextSize The size of the context in bytes. + For the SmmChildDispatch protocol, the Context + must match the one defined for SmmChildDispatch protocol. + + @retval EFI_SUCCESS The information is recorded. + @retval EFI_UNSUPPORTED The feature is unsupported. + @retval EFI_OUT_OF_RESOURCES There is no enough resource to record the information. +**/ +EFI_STATUS +EFIAPI +SmiHandlerProfileRegisterHandler ( + IN EFI_GUID *HandlerGuid, + IN EFI_SMM_HANDLER_ENTRY_POINT2 Handler, + IN PHYSICAL_ADDRESS CallerAddress, + IN VOID *Context, OPTIONAL + IN UINTN ContextSize OPTIONAL + ); + +/** + This function is called by SmmChildDispatcher module to report + an existing SMI handler is unregistered, to SmmCore. + + @param HandlerGuid The GUID to identify the type of the handler. + For the SmmChildDispatch protocol, the HandlerGuid + must be the GUID of SmmChildDispatch protocol. + @param Handler The SMI handler. + + @retval EFI_SUCCESS The original record is removed. + @retval EFI_UNSUPPORTED The feature is unsupported. + @retval EFI_NOT_FOUND There is no record for the HandlerGuid and handler. +**/ +EFI_STATUS +EFIAPI +SmiHandlerProfileUnregisterHandler ( + IN EFI_GUID *HandlerGuid, + IN EFI_SMM_HANDLER_ENTRY_POINT2 Handler + ); + +#endif diff --git a/MdePkg/MdePkg.dec b/MdePkg/MdePkg.dec index f2bdb30..3310029 100644 --- a/MdePkg/MdePkg.dec +++ b/MdePkg/MdePkg.dec @@ -4,7 +4,7 @@ # It also provides the definitions(including PPIs/PROTOCOLs/GUIDs) of # EFI1.10/UEFI2.6/PI1.4 and some Industry Standards. # -# Copyright (c) 2007 - 2016, Intel Corporation. All rights reserved.<BR> +# Copyright (c) 2007 - 2017, Intel Corporation. All rights reserved.<BR> # Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR> # (C) Copyright 2016 Hewlett Packard Enterprise Development LP<BR> # @@ -254,6 +254,9 @@ # RngLib|Include/Library/RngLib.h + ## @libraryclass Provides services to log the SMI handler registration. + SmiHandlerProfileLib|Include/Library/SmiHandlerProfileLib.h + [LibraryClasses.IPF] ## @libraryclass The SAL Library provides a service to make a SAL CALL. SalLib|Include/Library/SalLib.h -- 2.7.4.windows.1 _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel
