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-rw-r--r--SecurityPkg/VariableAuthenticated/RuntimeDxe/Variable.h33
1 files changed, 32 insertions, 1 deletions
diff --git a/SecurityPkg/VariableAuthenticated/RuntimeDxe/Variable.h b/SecurityPkg/VariableAuthenticated/RuntimeDxe/Variable.h
index 6a51bcce2a..427245abce 100644
--- a/SecurityPkg/VariableAuthenticated/RuntimeDxe/Variable.h
+++ b/SecurityPkg/VariableAuthenticated/RuntimeDxe/Variable.h
@@ -2,7 +2,7 @@
The internal header file includes the common header files, defines
internal structure and functions used by Variable modules.
-Copyright (c) 2009 - 2012, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2009 - 2013, 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
which accompanies this distribution. The full text of the license may be found at
@@ -367,6 +367,37 @@ VariableCommonInitialize (
);
/**
+
+ Variable store garbage collection and reclaim operation.
+
+ If ReclaimPubKeyStore is FALSE, reclaim variable space by deleting the obsoleted varaibles.
+ If ReclaimPubKeyStore is TRUE, reclaim invalid key in public key database and update the PubKeyIndex
+ for all the count-based authenticate variable in NV storage.
+
+ @param[in] VariableBase Base address of variable store.
+ @param[out] LastVariableOffset Offset of last variable.
+ @param[in] IsVolatile The variable store is volatile or not;
+ if it is non-volatile, need FTW.
+ @param[in] UpdatingVariable Pointer to updating variable.
+ @param[in] ReclaimPubKeyStore Reclaim for public key database or not.
+ @param[in] ReclaimAnyway If TRUE, do reclaim anyway.
+
+ @return EFI_OUT_OF_RESOURCES No enough memory resources.
+ @return EFI_SUCCESS Reclaim operation has finished successfully.
+ @return Others Unexpect error happened during reclaim operation.
+
+**/
+EFI_STATUS
+Reclaim (
+ IN EFI_PHYSICAL_ADDRESS VariableBase,
+ OUT UINTN *LastVariableOffset,
+ IN BOOLEAN IsVolatile,
+ IN VARIABLE_HEADER *UpdatingVariable,
+ IN BOOLEAN ReclaimPubKeyStore,
+ IN BOOLEAN ReclaimAnyway
+ );
+
+/**
This function reclaims variable storage if free size is below the threshold.
**/