The internal header file includes the common header files, defines\r
internal structure and functions used by Variable modules.\r
\r
-Copyright (c) 2009 - 2013, Intel Corporation. All rights reserved.<BR>\r
+Copyright (c) 2009 - 2014, Intel Corporation. All rights reserved.<BR>\r
This program and the accompanying materials \r
are licensed and made available under the terms and conditions of the BSD License \r
which accompanies this distribution. The full text of the license may be found at \r
typedef struct {\r
EFI_GUID *Guid;\r
CHAR16 *Name;\r
- UINT32 Attributes;\r
- UINTN DataSize;\r
- VOID *Data;\r
-} VARIABLE_CACHE_ENTRY;\r
+ UINTN VariableSize;\r
+} VARIABLE_ENTRY_CONSISTENCY;\r
\r
typedef struct {\r
EFI_GUID Guid;\r
VariableBase. Fault Tolerant Write protocol is used for writing.\r
\r
@param VariableBase Base address of the variable to write.\r
- @param Buffer Point to the data buffer.\r
- @param BufferSize The number of bytes of the data Buffer.\r
+ @param VariableBuffer Point to the variable data buffer.\r
\r
@retval EFI_SUCCESS The function completed successfully.\r
@retval EFI_NOT_FOUND Fail to locate Fault Tolerant Write protocol.\r
EFI_STATUS\r
FtwVariableSpace (\r
IN EFI_PHYSICAL_ADDRESS VariableBase,\r
- IN UINT8 *Buffer,\r
- IN UINTN BufferSize\r
+ IN VARIABLE_STORE_HEADER *VariableBuffer\r
);\r
\r
/**\r
IN VARIABLE_HEADER *Variable\r
);\r
\r
+/**\r
+ This function is to check if the remaining variable space is enough to set\r
+ all Variables from argument list successfully. The purpose of the check\r
+ is to keep the consistency of the Variables to be in variable storage.\r
+\r
+ Note: Variables are assumed to be in same storage.\r
+ The set sequence of Variables will be same with the sequence of VariableEntry from argument list,\r
+ so follow the argument sequence to check the Variables.\r
+\r
+ @param[in] Attributes Variable attributes for Variable entries.\r
+ @param ... The variable argument list with type VARIABLE_ENTRY_CONSISTENCY *.\r
+ A NULL terminates the list. The VariableSize of \r
+ VARIABLE_ENTRY_CONSISTENCY is the variable data size as input.\r
+ It will be changed to variable total size as output.\r
+\r
+ @retval TRUE Have enough variable space to set the Variables successfully.\r
+ @retval FALSE No enough variable space to set the Variables successfully.\r
+\r
+**/\r
+BOOLEAN\r
+EFIAPI\r
+CheckRemainingSpaceForConsistency (\r
+ IN UINT32 Attributes,\r
+ ...\r
+ );\r
+ \r
/**\r
Update the variable region with Variable information. If EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS is set,\r
index of associated public key is needed.\r
@param[in] IsVolatile The variable store is volatile or not;\r
if it is non-volatile, need FTW.\r
@param[in, out] UpdatingPtrTrack Pointer to updating variable pointer track structure.\r
+ @param[in] NewVariable Pointer to new variable.\r
+ @param[in] NewVariableSize New variable size.\r
@param[in] ReclaimPubKeyStore Reclaim for public key database or not.\r
- @param[in] ReclaimAnyway If TRUE, do reclaim anyway.\r
\r
@return EFI_SUCCESS Reclaim operation has finished successfully.\r
- @return EFI_OUT_OF_RESOURCES No enough memory resources.\r
+ @return EFI_OUT_OF_RESOURCES No enough memory resources or variable space.\r
@return EFI_DEVICE_ERROR The public key database doesn't exist.\r
@return Others Unexpect error happened during reclaim operation.\r
\r
OUT UINTN *LastVariableOffset,\r
IN BOOLEAN IsVolatile,\r
IN OUT VARIABLE_POINTER_TRACK *UpdatingPtrTrack,\r
- IN BOOLEAN ReclaimPubKeyStore,\r
- IN BOOLEAN ReclaimAnyway\r
+ IN VARIABLE_HEADER *NewVariable,\r
+ IN UINTN NewVariableSize,\r
+ IN BOOLEAN ReclaimPubKeyStore\r
);\r
\r
/**\r
IN VOID *Data\r
);\r
\r
+/**\r
+\r
+ This code returns information about the EFI variables.\r
+\r
+ Caution: This function may receive untrusted input.\r
+ This function may be invoked in SMM mode. This function will do basic validation, before parse the data.\r
+\r
+ @param Attributes Attributes bitmask to specify the type of variables\r
+ on which to return information.\r
+ @param MaximumVariableStorageSize Pointer to the maximum size of the storage space available\r
+ for the EFI variables associated with the attributes specified.\r
+ @param RemainingVariableStorageSize Pointer to the remaining size of the storage space available\r
+ for EFI variables associated with the attributes specified.\r
+ @param MaximumVariableSize Pointer to the maximum size of an individual EFI variables\r
+ associated with the attributes specified.\r
+\r
+ @return EFI_SUCCESS Query successfully.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+VariableServiceQueryVariableInfoInternal (\r
+ IN UINT32 Attributes,\r
+ OUT UINT64 *MaximumVariableStorageSize,\r
+ OUT UINT64 *RemainingVariableStorageSize,\r
+ OUT UINT64 *MaximumVariableSize\r
+ );\r
+\r
/**\r
\r
This code returns information about the EFI variables.\r
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