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      1 /** @file
      2   GUID and data structures for communication between SMM Base on SMM Base2 Thunk driver
      3   and SmmBaseHelper driver.
      4 
      5 Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>
      6 This program and the accompanying materials
      7 are licensed and made available under the terms and conditions of the BSD License
      8 which accompanies this distribution.  The full text of the license may be found at
      9 http://opensource.org/licenses/bsd-license.php.
     10 
     11 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
     12 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
     13 
     14 **/
     15 #ifndef  _SMM_BASE_THUNK_COMMUNICATION_H_
     16 #define  _SMM_BASE_THUNK_COMMUNICATION_H_
     17 
     18 #include <Protocol/SmmBase.h>
     19 
     20 #define EFI_SMM_BASE_THUNK_COMMUNICATION_GUID \
     21   { 0x6568a3d6, 0x15f, 0x4b4a, { 0x9c, 0x89, 0x1d, 0x14, 0x63, 0x14, 0x13, 0xa } }
     22 
     23 typedef struct {
     24   EFI_DEVICE_PATH_PROTOCOL       *FilePath;
     25   VOID                           *SourceBuffer;
     26   UINTN                          SourceSize;
     27   EFI_HANDLE                     *ImageHandle;
     28   BOOLEAN                        LegacyIA32Binary;
     29 } SMMBASE_REGISTER_ARG;
     30 
     31 typedef struct {
     32   EFI_HANDLE                     ImageHandle;
     33 } SMMBASE_UNREGISTER_ARG;
     34 
     35 typedef struct {
     36   EFI_HANDLE                     SmmImageHandle;
     37   EFI_SMM_CALLBACK_ENTRY_POINT   CallbackAddress;
     38   BOOLEAN                        MakeLast;
     39   BOOLEAN                        FloatingPointSave;
     40 } SMMBASE_REGISTER_CALLBACK_ARG;
     41 
     42 typedef struct {
     43   EFI_MEMORY_TYPE                PoolType;
     44   UINTN                          Size;
     45   VOID                           **Buffer;
     46 } SMMBASE_ALLOCATE_POOL_ARG;
     47 
     48 typedef struct {
     49   VOID                           *Buffer;
     50 } SMMBASE_FREE_POOL_ARG;
     51 
     52 typedef struct {
     53   EFI_HANDLE                     ImageHandle;
     54   VOID                           *CommunicationBuffer;
     55   UINTN                          *SourceSize;
     56 } SMMBASE_COMMUNICATE_ARG;
     57 
     58 typedef union {
     59   SMMBASE_REGISTER_ARG           Register;
     60   SMMBASE_UNREGISTER_ARG         UnRegister;
     61   SMMBASE_REGISTER_CALLBACK_ARG  RegisterCallback;
     62   SMMBASE_ALLOCATE_POOL_ARG      AllocatePool;
     63   SMMBASE_FREE_POOL_ARG          FreePool;
     64   SMMBASE_COMMUNICATE_ARG        Communicate;
     65 } SMMBASE_FUNCTION_ARGS;
     66 
     67 typedef enum {
     68   SmmBaseFunctionRegister,
     69   SmmBaseFunctionUnregister,
     70   SmmBaseFunctionRegisterCallback,
     71   SmmBaseFunctionAllocatePool,
     72   SmmBaseFunctionFreePool,
     73   SmmBaseFunctionCommunicate
     74 } SMMBASE_FUNCTION;
     75 
     76 typedef struct {
     77   SMMBASE_FUNCTION       Function;
     78   EFI_STATUS             Status;
     79   SMMBASE_FUNCTION_ARGS  Args;
     80   EFI_HANDLE             SmmBaseImageHandle;
     81 } SMMBASE_FUNCTION_DATA;
     82 
     83 #pragma pack(1)
     84 typedef struct {
     85   EFI_GUID               HeaderGuid;
     86   UINTN                  MessageLength;
     87   SMMBASE_FUNCTION_DATA  FunctionData;
     88 } SMMBASETHUNK_COMMUNICATION_DATA;
     89 #pragma pack()
     90 
     91 extern EFI_GUID gEfiSmmBaseThunkCommunicationGuid;
     92 
     93 #endif
     94 
     95