UefiPayloadPkg/SmmAccessDxe/SmmAccessDxe.h

   1 /** @file
   2   The header file of SMM access DXE.
   3
   4 Copyright (c) 2014 - 2021, Intel Corporation. All rights reserved.<BR>
   5 SPDX-License-Identifier: BSD-2-Clause-Patent
   6
   7 **/
   8
   9 #ifndef SMM_ACCESS_DRIVER_H_
  10 #define SMM_ACCESS_DRIVER_H_
  11
  12 #include <PiDxe.h>
  13 #include <Protocol/SmmAccess2.h>
  14 #include <Library/HobLib.h>
  15 #include <Library/BaseLib.h>
  16 #include <Library/UefiBootServicesTableLib.h>
  17 #include <Library/DebugLib.h>
  18 #include <Library/MemoryAllocationLib.h>
  19 #include <Library/BaseMemoryLib.h>
  20 #include <Guid/SmramMemoryReserve.h>
  21
  22
  23 #define  SMM_ACCESS_PRIVATE_DATA_SIGNATURE  SIGNATURE_32 ('S', 'M', 'M', 'A')
  24
  25 typedef struct {
  26   UINTN                           Signature;
  27   EFI_HANDLE                      Handle;
  28   EFI_SMM_ACCESS2_PROTOCOL        SmmAccess;
  29   //
  30   // Local Data for SMM Access interface goes here
  31   //
  32   UINT32                          SmmRegionState;
  33   UINT32                          NumberRegions;
  34   EFI_SMRAM_DESCRIPTOR            *SmramDesc;
  35 } SMM_ACCESS_PRIVATE_DATA;
  36
  37 #endif