The variable data structures are related to EDK II-specific implementation of UEFI variables.\r
VariableFormat.h defines variable data headers and variable storage region headers.\r
\r
-Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>\r
+Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR>\r
This program and the accompanying materials are licensed and made available under \r
the terms and conditions of the BSD License that accompanies this distribution. \r
The full text of the license may be found at\r
#define EFI_VARIABLE_GUID \\r
{ 0xddcf3616, 0x3275, 0x4164, { 0x98, 0xb6, 0xfe, 0x85, 0x70, 0x7f, 0xfe, 0x7d } }\r
\r
+#define EFI_AUTHENTICATED_VARIABLE_GUID \\r
+ { 0xaaf32c78, 0x947b, 0x439a, { 0xa1, 0x80, 0x2e, 0x14, 0x4e, 0xc3, 0x77, 0x92 } }\r
+\r
extern EFI_GUID gEfiVariableGuid;\r
+extern EFI_GUID gEfiAuthenticatedVariableGuid;\r
\r
///\r
/// Alignment of variable name and data, according to the architecture:\r
#pragma pack(1)\r
\r
#define VARIABLE_STORE_SIGNATURE EFI_VARIABLE_GUID\r
+#define AUTHENTICATED_VARIABLE_STORE_SIGNATURE EFI_AUTHENTICATED_VARIABLE_GUID\r
\r
///\r
/// Variable Store Header Format and State.\r
EFI_GUID VendorGuid;\r
} VARIABLE_HEADER;\r
\r
+///\r
+/// Single Authenticated Variable Data Header Structure.\r
+///\r
+typedef struct {\r
+ ///\r
+ /// Variable Data Start Flag.\r
+ ///\r
+ UINT16 StartId;\r
+ ///\r
+ /// Variable State defined above.\r
+ ///\r
+ UINT8 State;\r
+ UINT8 Reserved;\r
+ ///\r
+ /// Attributes of variable defined in UEFI specification.\r
+ ///\r
+ UINT32 Attributes;\r
+ ///\r
+ /// Associated monotonic count value against replay attack.\r
+ ///\r
+ UINT64 MonotonicCount;\r
+ ///\r
+ /// Associated TimeStamp value against replay attack.\r
+ ///\r
+ EFI_TIME TimeStamp;\r
+ ///\r
+ /// Index of associated public key in database.\r
+ ///\r
+ UINT32 PubKeyIndex;\r
+ ///\r
+ /// Size of variable null-terminated Unicode string name.\r
+ ///\r
+ UINT32 NameSize;\r
+ ///\r
+ /// Size of the variable data without this header.\r
+ ///\r
+ UINT32 DataSize;\r
+ ///\r
+ /// A unique identifier for the vendor that produces and consumes this varaible.\r
+ ///\r
+ EFI_GUID VendorGuid;\r
+} AUTHENTICATED_VARIABLE_HEADER;\r
+\r
#pragma pack()\r
\r
typedef struct _VARIABLE_INFO_ENTRY VARIABLE_INFO_ENTRY;\r
BOOLEAN Volatile; ///< TRUE if volatile, FALSE if non-volatile.\r
};\r
\r
-//\r
-// This structure is used for SMM variable. the collected statistics data is saved in SMRAM. It can be got from \r
-// SMI handler. The communication buffer should be: \r
-// EFI_SMM_COMMUNICATE_HEADER + SMM_VARIABLE_COMMUNICATE_HEADER + payload.\r
-//\r
-typedef struct {\r
- UINTN Function;\r
- EFI_STATUS ReturnStatus;\r
- UINT8 Data[1];\r
-} SMM_VARIABLE_COMMUNICATE_HEADER;\r
-\r
-//\r
-// The payload for this function is SMM_VARIABLE_COMMUNICATE_ACCESS_VARIABLE.\r
-//\r
-#define SMM_VARIABLE_FUNCTION_GET_VARIABLE 1\r
-//\r
-// The payload for this function is SMM_VARIABLE_COMMUNICATE_GET_NEXT_VARIABLE_NAME.\r
-// \r
-#define SMM_VARIABLE_FUNCTION_GET_NEXT_VARIABLE_NAME 2\r
-//\r
-// The payload for this function is SMM_VARIABLE_COMMUNICATE_ACCESS_VARIABLE.\r
-// \r
-#define SMM_VARIABLE_FUNCTION_SET_VARIABLE 3\r
-//\r
-// The payload for this function is SMM_VARIABLE_COMMUNICATE_QUERY_VARIABLE_INFO.\r
-// \r
-#define SMM_VARIABLE_FUNCTION_QUERY_VARIABLE_INFO 4\r
-//\r
-// It is a notify event, no extra payload for this function.\r
-// \r
-#define SMM_VARIABLE_FUNCTION_READY_TO_BOOT 5\r
-//\r
-// It is a notify event, no extra payload for this function.\r
-// \r
-#define SMM_VARIABLE_FUNCTION_EXIT_BOOT_SERVICE 6\r
-//\r
-// The payload for this function is VARIABLE_INFO_ENTRY. The GUID in EFI_SMM_COMMUNICATE_HEADER \r
-// is gEfiSmmVariableProtocolGuid.\r
-//\r
-#define SMM_VARIABLE_FUNCTION_GET_STATISTICS 7\r
-\r
-///\r
-/// Size of SMM communicate header, without including the payload.\r
-///\r
-#define SMM_COMMUNICATE_HEADER_SIZE (OFFSET_OF (EFI_SMM_COMMUNICATE_HEADER, Data))\r
-\r
-///\r
-/// Size of SMM variable communicate header, without including the payload.\r
-///\r
-#define SMM_VARIABLE_COMMUNICATE_HEADER_SIZE (OFFSET_OF (SMM_VARIABLE_COMMUNICATE_HEADER, Data))\r
-\r
-///\r
-/// This structure is used to communicate with SMI handler by SetVariable and GetVariable.\r
-///\r
-typedef struct {\r
- EFI_GUID Guid;\r
- UINTN DataSize;\r
- UINTN NameSize;\r
- UINT32 Attributes; \r
- CHAR16 Name[1];\r
-} SMM_VARIABLE_COMMUNICATE_ACCESS_VARIABLE;\r
-\r
-///\r
-/// This structure is used to communicate with SMI handler by GetNextVariableName.\r
-///\r
-typedef struct {\r
- EFI_GUID Guid;\r
- UINTN NameSize;\r
- CHAR16 Name[1];\r
-} SMM_VARIABLE_COMMUNICATE_GET_NEXT_VARIABLE_NAME;\r
-\r
-///\r
-/// This structure is used to communicate with SMI handler by QueryVariableInfo.\r
-///\r
-typedef struct {\r
- UINT64 MaximumVariableStorageSize;\r
- UINT64 RemainingVariableStorageSize;\r
- UINT64 MaximumVariableSize;\r
- UINT32 Attributes; \r
-} SMM_VARIABLE_COMMUNICATE_QUERY_VARIABLE_INFO;\r
-\r
-///\r
-/// This structure is used to communicate with SMI handler to get variable statistics information.\r
-///\r
-typedef VARIABLE_INFO_ENTRY SMM_VARIABLE_COMMUNICATE_VARIABLE_INFO_ENTRY;\r
-\r
#endif // _EFI_VARIABLE_H_\r
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