MdeModulePkg/Universal/MemoryTest/NullMemoryTestDxe/NullMemoryTest.h

/** @file
  Include file of the NULL memory test driver.

Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent

**/

#ifndef _NULL_MEMORY_TEST_H_
#define _NULL_MEMORY_TEST_H_

#include <PiDxe.h>

#include <Protocol/GenericMemoryTest.h>

#include <Library/DebugLib.h>
#include <Library/UefiDriverEntryPoint.h>
#include <Library/DxeServicesTableLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/MemoryAllocationLib.h>

//
// Definition of memory status.
//
#define EFI_MEMORY_PRESENT      0x0100000000000000ULL
#define EFI_MEMORY_INITIALIZED  0x0200000000000000ULL
#define EFI_MEMORY_TESTED       0x0400000000000000ULL

/**
  Initialize the generic memory test.

  This function implements EFI_GENERIC_MEMORY_TEST_PROTOCOL.MemoryTestInit.
  It simply promotes untested reserved memory to system memory without real test.

  @param  This                Protocol instance pointer.
  @param  Level               The coverage level of the memory test.
  @param  RequireSoftECCInit  Indicate if the memory need software ECC init.

  @retval EFI_SUCCESS         The generic memory test initialized correctly.
  @retval EFI_NO_MEDIA        There is not any non-tested memory found, in this
                              function if not any non-tesed memory found means
                              that the memory test driver have not detect any
                              non-tested extended memory of current system.

**/
EFI_STATUS
EFIAPI
InitializeMemoryTest (
  IN EFI_GENERIC_MEMORY_TEST_PROTOCOL  *This,
  IN  EXTENDMEM_COVERAGE_LEVEL         Level,
  OUT BOOLEAN                          *RequireSoftECCInit
  );

/**
  Perform the memory test.

  This function implements EFI_GENERIC_MEMORY_TEST_PROTOCOL.PerformMemoryTest.
  It simply returns EFI_NOT_FOUND.

  @param  This                Protocol instance pointer.
  @param  TestedMemorySize    Return the tested extended memory size.
  @param  TotalMemorySize     Return the whole system physical memory size, this
                              value may be changed if in some case some error
                              DIMMs be disabled.
  @param  ErrorOut            Any time the memory error occurs, this will be
                              TRUE.
  @param  IfTestAbort         Indicate if the user press "ESC" to skip the memory
                              test.

  @retval EFI_SUCCESS         One block of memory test ok, the block size is hide
                              internally.
  @retval EFI_NOT_FOUND       Indicate all the non-tested memory blocks have
                              already go through.
  @retval EFI_DEVICE_ERROR    Mis-compare error, and no agent can handle it

**/
EFI_STATUS
EFIAPI
GenPerformMemoryTest (
  IN EFI_GENERIC_MEMORY_TEST_PROTOCOL  *This,
  IN OUT UINT64                        *TestedMemorySize,
  OUT UINT64                           *TotalMemorySize,
  OUT BOOLEAN                          *ErrorOut,
  IN BOOLEAN                           TestAbort
  );

/**
  The memory test finished.

  This function implements EFI_GENERIC_MEMORY_TEST_PROTOCOL.Finished.
  It simply returns EFI_SUCCESS.

  @param  This                Protocol instance pointer.

  @retval EFI_SUCCESS         Successful free all the generic memory test driver
                              allocated resource and notify to platform memory
                              test driver that memory test finished.

**/
EFI_STATUS
EFIAPI
GenMemoryTestFinished (
  IN EFI_GENERIC_MEMORY_TEST_PROTOCOL  *This
  );

/**
  Provide capability to test compatible range which used by some special
  driver required using memory range before BDS perform memory test.

  This function implements EFI_GENERIC_MEMORY_TEST_PROTOCOL.CompatibleRangeTest.
  It simply set the memory range to system memory.

  @param  This                Protocol instance pointer.
  @param  StartAddress        The start address of the memory range.
  @param  Length              The memory range's length.

  @retval EFI_SUCCESS           The compatible memory range pass the memory test.
  @retval EFI_INVALID_PARAMETER The compatible memory range must be below 16M.

**/
EFI_STATUS
EFIAPI
GenCompatibleRangeTest (
  IN EFI_GENERIC_MEMORY_TEST_PROTOCOL  *This,
  IN  EFI_PHYSICAL_ADDRESS             StartAddress,
  IN  UINT64                           Length
  );

#endif