source: vbox/trunk/src/VBox/Devices/EFI/Firmware/UefiPayloadPkg/FvbRuntimeDxe/FvbSmmCommon.h@ 105681

/** @file
  The common header file for SMM FVB module.

Copyright (c) 2014 - 2021, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent

**/

#ifndef SMM_FVB_COMMON_H_
#define SMM_FVB_COMMON_H_

#include <Protocol/SmmFirmwareVolumeBlock.h>

#define EFI_FUNCTION_GET_ATTRIBUTES        1
#define EFI_FUNCTION_SET_ATTRIBUTES        2
#define EFI_FUNCTION_GET_PHYSICAL_ADDRESS  3
#define EFI_FUNCTION_GET_BLOCK_SIZE        4
#define EFI_FUNCTION_READ                  5
#define EFI_FUNCTION_WRITE                 6
#define EFI_FUNCTION_ERASE_BLOCKS          7

typedef struct {
  UINTN         Function;
  EFI_STATUS    ReturnStatus;
  UINT8         Data[1];
} SMM_FVB_COMMUNICATE_FUNCTION_HEADER;

///
/// Size of SMM communicate header, without including the payload.
///
#define SMM_COMMUNICATE_HEADER_SIZE  (OFFSET_OF (EFI_SMM_COMMUNICATE_HEADER, Data))

///
/// Size of SMM FVB communicate function header, without including the payload.
///
#define SMM_FVB_COMMUNICATE_HEADER_SIZE  (OFFSET_OF (SMM_FVB_COMMUNICATE_FUNCTION_HEADER, Data))

typedef struct {
  EFI_SMM_FIRMWARE_VOLUME_BLOCK_PROTOCOL    *SmmFvb;
  EFI_FVB_ATTRIBUTES_2                      Attributes;
} SMM_FVB_ATTRIBUTES_HEADER;

typedef struct {
  EFI_SMM_FIRMWARE_VOLUME_BLOCK_PROTOCOL    *SmmFvb;
  EFI_PHYSICAL_ADDRESS                      Address;
} SMM_FVB_PHYSICAL_ADDRESS_HEADER;

typedef struct {
  EFI_SMM_FIRMWARE_VOLUME_BLOCK_PROTOCOL    *SmmFvb;
  EFI_LBA                                   Lba;
  UINTN                                     BlockSize;
  UINTN                                     NumOfBlocks;
} SMM_FVB_BLOCK_SIZE_HEADER;

typedef struct {
  EFI_SMM_FIRMWARE_VOLUME_BLOCK_PROTOCOL    *SmmFvb;
  EFI_LBA                                   Lba;
  UINTN                                     Offset;
  UINTN                                     NumBytes;
} SMM_FVB_READ_WRITE_HEADER;

typedef struct {
  EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL    *SmmFvb;
  EFI_LBA                               StartLba;
  UINTN                                 NumOfLba;
} SMM_FVB_BLOCKS_HEADER;

#endif