mirror of https://github.com/acidanthera/audk.git
104 lines
3.5 KiB
C
104 lines
3.5 KiB
C
|
/** @file
|
||
|
|
The file defined some common structures used for communicating between SMM variable module and SMM variable wrapper module.
|
||
|
|
|
||
|
|
Copyright (c) 2011, Intel Corporation. All rights reserved.<BR>
|
||
|
|
This program and the accompanying materials are licensed and made available under
|
||
|
|
the terms and conditions of the BSD License that accompanies this distribution.
|
||
|
|
The full text of the license may be found at
|
||
|
|
http://opensource.org/licenses/bsd-license.php.
|
||
|
|
|
||
|
|
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
||
|
|
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
||
|
|
|
||
|
|
**/
|
||
|
|
|
||
|
|
#ifndef _SMM_VARIABLE_COMMON_H_
|
||
|
|
#define _SMM_VARIABLE_COMMON_H_
|
||
|
|
|
||
|
|
#define EFI_SMM_VARIABLE_WRITE_GUID \
|
||
|
|
{ 0x93ba1826, 0xdffb, 0x45dd, { 0x82, 0xa7, 0xe7, 0xdc, 0xaa, 0x3b, 0xbd, 0xf3 } }
|
||
|
|
|
||
|
|
extern EFI_GUID gSmmVariableWriteGuid;
|
||
|
|
|
||
|
|
//
|
||
|
|
// This structure is used for SMM variable. the collected statistics data is saved in SMRAM. It can be got from
|
||
|
|
// SMI handler. The communication buffer should be:
|
||
|
|
// EFI_SMM_COMMUNICATE_HEADER + SMM_VARIABLE_COMMUNICATE_HEADER + payload.
|
||
|
|
//
|
||
|
|
typedef struct {
|
||
|
|
UINTN Function;
|
||
|
|
EFI_STATUS ReturnStatus;
|
||
|
|
UINT8 Data[1];
|
||
|
|
} SMM_VARIABLE_COMMUNICATE_HEADER;
|
||
|
|
|
||
|
|
//
|
||
|
|
// The payload for this function is SMM_VARIABLE_COMMUNICATE_ACCESS_VARIABLE.
|
||
|
|
//
|
||
|
|
#define SMM_VARIABLE_FUNCTION_GET_VARIABLE 1
|
||
|
|
//
|
||
|
|
// The payload for this function is SMM_VARIABLE_COMMUNICATE_GET_NEXT_VARIABLE_NAME.
|
||
|
|
//
|
||
|
|
#define SMM_VARIABLE_FUNCTION_GET_NEXT_VARIABLE_NAME 2
|
||
|
|
//
|
||
|
|
// The payload for this function is SMM_VARIABLE_COMMUNICATE_ACCESS_VARIABLE.
|
||
|
|
//
|
||
|
|
#define SMM_VARIABLE_FUNCTION_SET_VARIABLE 3
|
||
|
|
//
|
||
|
|
// The payload for this function is SMM_VARIABLE_COMMUNICATE_QUERY_VARIABLE_INFO.
|
||
|
|
//
|
||
|
|
#define SMM_VARIABLE_FUNCTION_QUERY_VARIABLE_INFO 4
|
||
|
|
//
|
||
|
|
// It is a notify event, no extra payload for this function.
|
||
|
|
//
|
||
|
|
#define SMM_VARIABLE_FUNCTION_READY_TO_BOOT 5
|
||
|
|
//
|
||
|
|
// It is a notify event, no extra payload for this function.
|
||
|
|
//
|
||
|
|
#define SMM_VARIABLE_FUNCTION_EXIT_BOOT_SERVICE 6
|
||
|
|
//
|
||
|
|
// The payload for this function is VARIABLE_INFO_ENTRY. The GUID in EFI_SMM_COMMUNICATE_HEADER
|
||
|
|
// is gEfiSmmVariableProtocolGuid.
|
||
|
|
//
|
||
|
|
#define SMM_VARIABLE_FUNCTION_GET_STATISTICS 7
|
||
|
|
|
||
|
|
///
|
||
|
|
/// Size of SMM communicate header, without including the payload.
|
||
|
|
///
|
||
|
|
#define SMM_COMMUNICATE_HEADER_SIZE (OFFSET_OF (EFI_SMM_COMMUNICATE_HEADER, Data))
|
||
|
|
|
||
|
|
///
|
||
|
|
/// Size of SMM variable communicate header, without including the payload.
|
||
|
|
///
|
||
|
|
#define SMM_VARIABLE_COMMUNICATE_HEADER_SIZE (OFFSET_OF (SMM_VARIABLE_COMMUNICATE_HEADER, Data))
|
||
|
|
|
||
|
|
///
|
||
|
|
/// This structure is used to communicate with SMI handler by SetVariable and GetVariable.
|
||
|
|
///
|
||
|
|
typedef struct {
|
||
|
|
EFI_GUID Guid;
|
||
|
|
UINTN DataSize;
|
||
|
|
UINTN NameSize;
|
||
|
|
UINT32 Attributes;
|
||
|
|
CHAR16 Name[1];
|
||
|
|
} SMM_VARIABLE_COMMUNICATE_ACCESS_VARIABLE;
|
||
|
|
|
||
|
|
///
|
||
|
|
/// This structure is used to communicate with SMI handler by GetNextVariableName.
|
||
|
|
///
|
||
|
|
typedef struct {
|
||
|
|
EFI_GUID Guid;
|
||
|
|
UINTN NameSize;
|
||
|
|
CHAR16 Name[1];
|
||
|
|
} SMM_VARIABLE_COMMUNICATE_GET_NEXT_VARIABLE_NAME;
|
||
|
|
|
||
|
|
///
|
||
|
|
/// This structure is used to communicate with SMI handler by QueryVariableInfo.
|
||
|
|
///
|
||
|
|
typedef struct {
|
||
|
|
UINT64 MaximumVariableStorageSize;
|
||
|
|
UINT64 RemainingVariableStorageSize;
|
||
|
|
UINT64 MaximumVariableSize;
|
||
|
|
UINT32 Attributes;
|
||
|
|
} SMM_VARIABLE_COMMUNICATE_QUERY_VARIABLE_INFO;
|
||
|
|
|
||
|
|
#endif // _SMM_VARIABLE_COMMON_H_
|