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
-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
+Copyright (c) 2006 - 2017, 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
-http://opensource.org/licenses/bsd-license.php. \r
+http://opensource.org/licenses/bsd-license.php.\r
\r
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
\r
**/\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
///\r
EFI_GUID Signature;\r
///\r
- /// Size of entire variable store, \r
+ /// Size of entire variable store,\r
/// including size of variable store header but not including the size of FvHeader.\r
///\r
UINT32 Size;\r
#define VAR_HEADER_VALID_ONLY 0x7f ///< Variable header has been valid.\r
#define VAR_ADDED 0x3f ///< Variable has been completely added.\r
\r
+///\r
+/// Variable Attribute combinations.\r
+///\r
+#define VARIABLE_ATTRIBUTE_NV_BS (EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS)\r
+#define VARIABLE_ATTRIBUTE_BS_RT (EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS)\r
+#define VARIABLE_ATTRIBUTE_BS_RT_AT (VARIABLE_ATTRIBUTE_BS_RT | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS)\r
+#define VARIABLE_ATTRIBUTE_NV_BS_RT (VARIABLE_ATTRIBUTE_BS_RT | EFI_VARIABLE_NON_VOLATILE)\r
+#define VARIABLE_ATTRIBUTE_NV_BS_RT_HR (VARIABLE_ATTRIBUTE_NV_BS_RT | EFI_VARIABLE_HARDWARE_ERROR_RECORD)\r
+#define VARIABLE_ATTRIBUTE_NV_BS_RT_AT (VARIABLE_ATTRIBUTE_NV_BS_RT | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS)\r
+#define VARIABLE_ATTRIBUTE_AT EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS\r
+#define VARIABLE_ATTRIBUTE_NV_BS_RT_HR_AT (VARIABLE_ATTRIBUTE_NV_BS_RT_HR | VARIABLE_ATTRIBUTE_AT)\r
+///\r
+/// EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS is deprecated and should be considered as reserved\r
+///\r
+#define VARIABLE_ATTRIBUTE_AT_AW (EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS | EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS)\r
+#define VARIABLE_ATTRIBUTE_NV_BS_RT_AW (VARIABLE_ATTRIBUTE_NV_BS_RT | EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS)\r
+#define VARIABLE_ATTRIBUTE_NV_BS_RT_HR_AT_AW (VARIABLE_ATTRIBUTE_NV_BS_RT_HR | VARIABLE_ATTRIBUTE_AT_AW)\r
+\r
///\r
/// Single Variable Data Header Structure.\r
///\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
+typedef struct {\r
+ EFI_GUID *Guid;\r
+ CHAR16 *Name;\r
+ UINTN VariableSize;\r
+} VARIABLE_ENTRY_CONSISTENCY;\r
+\r
#pragma pack()\r
\r
typedef struct _VARIABLE_INFO_ENTRY VARIABLE_INFO_ENTRY;\r
///\r
/// This structure contains the variable list that is put in EFI system table.\r
/// The variable driver collects all variables that were used at boot service time and produces this list.\r
-/// This is an optional feature to dump all used variables in shell environment. \r
+/// This is an optional feature to dump all used variables in shell environment.\r
///\r
struct _VARIABLE_INFO_ENTRY {\r
VARIABLE_INFO_ENTRY *Next; ///< Pointer to next entry.\r
EFI_GUID VendorGuid; ///< Guid of Variable.\r
- CHAR16 *Name; ///< Name of Variable. \r
+ CHAR16 *Name; ///< Name of Variable.\r
UINT32 Attributes; ///< Attributes of variable defined in UEFI specification.\r
UINT32 ReadCount; ///< Number of times to read this variable.\r
UINT32 WriteCount; ///< Number of times to write this variable.\r
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