MdeModulePkg/Library/UefiMemoryAllocationProfileLib/DxeMemoryProfileLib.c

/** @file
  Support routines for memory profile for Dxe phase drivers.

  Copyright (c) 2016 - 2018, Intel Corporation. All rights reserved.<BR>
  SPDX-License-Identifier: BSD-2-Clause-Patent

**/

#include <Uefi.h>

#include <Library/UefiBootServicesTableLib.h>
#include <Library/DebugLib.h>

#include <Guid/MemoryProfile.h>

EDKII_MEMORY_PROFILE_PROTOCOL  *mLibProfileProtocol;

/**
  The constructor function initializes memory profile for DXE phase.

  @param ImageHandle    The firmware allocated handle for the EFI image.
  @param SystemTable    A pointer to the EFI System Table.

  @retval EFI_SUCCESS   The constructor always returns EFI_SUCCESS.

**/
EFI_STATUS
EFIAPI
MemoryProfileLibConstructor (
  IN EFI_HANDLE        ImageHandle,
  IN EFI_SYSTEM_TABLE  *SystemTable
  )
{
  EFI_STATUS  Status;

  Status = gBS->LocateProtocol (
                  &gEdkiiMemoryProfileGuid,
                  NULL,
                  (VOID **)&mLibProfileProtocol
                  );
  if (EFI_ERROR (Status)) {
    mLibProfileProtocol = NULL;
  }

  return EFI_SUCCESS;
}

/**
  Record memory profile of multilevel caller.

  @param[in] CallerAddress      Address of caller.
  @param[in] Action             Memory profile action.
  @param[in] MemoryType         Memory type.
                                EfiMaxMemoryType means the MemoryType is unknown.
  @param[in] Buffer             Buffer address.
  @param[in] Size               Buffer size.
  @param[in] ActionString       String for memory profile action.
                                Only needed for user defined allocate action.

  @return EFI_SUCCESS           Memory profile is updated.
  @return EFI_UNSUPPORTED       Memory profile is unsupported,
                                or memory profile for the image is not required,
                                or memory profile for the memory type is not required.
  @return EFI_ACCESS_DENIED     It is during memory profile data getting.
  @return EFI_ABORTED           Memory profile recording is not enabled.
  @return EFI_OUT_OF_RESOURCES  No enough resource to update memory profile for allocate action.
  @return EFI_NOT_FOUND         No matched allocate info found for free action.

**/
EFI_STATUS
EFIAPI
MemoryProfileLibRecord (
  IN PHYSICAL_ADDRESS       CallerAddress,
  IN MEMORY_PROFILE_ACTION  Action,
  IN EFI_MEMORY_TYPE        MemoryType,
  IN VOID                   *Buffer,
  IN UINTN                  Size,
  IN CHAR8                  *ActionString OPTIONAL
  )
{
  if (mLibProfileProtocol == NULL) {
    return EFI_UNSUPPORTED;
  }

  return mLibProfileProtocol->Record (
                                mLibProfileProtocol,
                                CallerAddress,
                                Action,
                                MemoryType,
                                Buffer,
                                Size,
                                ActionString
                                );
}