MdePkg/Library/SmiHandlerProfileLibNull/SmiHandlerProfileLibNull.c

   1 /** @file
   2   NULL instance of SmiHandlerProfile Library.
   3
   4   Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
   5   SPDX-License-Identifier: BSD-2-Clause-Patent
   6
   7 **/
   8
   9 #include <PiMm.h>
  10 #include <Library/SmiHandlerProfileLib.h>
  11
  12 /**
  13   This function is called by SmmChildDispatcher module to report
  14   a new SMI handler is registered, to SmmCore.
  15
  16   @param HandlerGuid     The GUID to identify the type of the handler.
  17                          For the SmmChildDispatch protocol, the HandlerGuid
  18                          must be the GUID of SmmChildDispatch protocol.
  19   @param Handler         The SMI handler.
  20   @param CallerAddress   The address of the module who registers the SMI handler.
  21   @param Context         The context of the SMI handler.
  22                          For the SmmChildDispatch protocol, the Context
  23                          must match the one defined for SmmChildDispatch protocol.
  24   @param ContextSize     The size of the context in bytes.
  25                          For the SmmChildDispatch protocol, the Context
  26                          must match the one defined for SmmChildDispatch protocol.
  27
  28   @retval EFI_SUCCESS           The information is recorded.
  29   @retval EFI_UNSUPPORTED       The feature is unsupported.
  30   @retval EFI_OUT_OF_RESOURCES  There is no enough resource to record the information.
  31 **/
  32 EFI_STATUS
  33 EFIAPI
  34 SmiHandlerProfileRegisterHandler (
  35   IN EFI_GUID                      *HandlerGuid,
  36   IN EFI_SMM_HANDLER_ENTRY_POINT2  Handler,
  37   IN PHYSICAL_ADDRESS              CallerAddress,
  38   IN VOID                          *Context  OPTIONAL,
  39   IN UINTN                         ContextSize OPTIONAL
  40   )
  41 {
  42   return EFI_UNSUPPORTED;
  43 }
  44
  45 /**
  46   This function is called by SmmChildDispatcher module to report
  47   an existing SMI handler is unregistered, to SmmCore.
  48
  49   @param HandlerGuid     The GUID to identify the type of the handler.
  50                          For the SmmChildDispatch protocol, the HandlerGuid
  51                          must be the GUID of SmmChildDispatch protocol.
  52   @param Handler         The SMI handler.
  53   @param Context         The context of the SMI handler.
  54                          If it is NOT NULL, it will be used to check what is registered.
  55   @param ContextSize     The size of the context in bytes.
  56                          If Context is NOT NULL, it will be used to check what is registered.
  57
  58   @retval EFI_SUCCESS           The original record is removed.
  59   @retval EFI_UNSUPPORTED       The feature is unsupported.
  60   @retval EFI_NOT_FOUND         There is no record for the HandlerGuid and handler.
  61 **/
  62 EFI_STATUS
  63 EFIAPI
  64 SmiHandlerProfileUnregisterHandler (
  65   IN EFI_GUID                      *HandlerGuid,
  66   IN EFI_SMM_HANDLER_ENTRY_POINT2  Handler,
  67   IN VOID                          *Context  OPTIONAL,
  68   IN UINTN                         ContextSize OPTIONAL
  69   )
  70 {
  71   return EFI_UNSUPPORTED;
  72 }