If setting variable in Runtime and there has been a same GUID and name variable exist...

[mirror_edk2.git] / SecurityPkg / VariableAuthenticated / RuntimeDxe / Variable.h

diff --git a/SecurityPkg/VariableAuthenticated/RuntimeDxe/Variable.h b/SecurityPkg/VariableAuthenticated/RuntimeDxe/Variable.h
index 91c7b4aac0142dbc982b35a6cfe42bb18ba0c536..be3e632a2a771d8c89189a194705481a6266bbd6 100644 (file)
--- 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\r
   internal structure and functions used by Variable modules.\r
 \r
-Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved.<BR>\r
+Copyright (c) 2009 - 2012, 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
@@ -39,6 +39,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 #include <Guid/EventGroup.h>\r
 #include <Guid/AuthenticatedVariableFormat.h>\r
 #include <Guid/ImageAuthentication.h>\r
+#include <Guid/SystemNvDataGuid.h>\r
 \r
 #define VARIABLE_RECLAIM_THRESHOLD (1024)\r
 \r
@@ -119,20 +120,24 @@ FtwVariableSpace (
   This code finds variable in storage blocks of volatile and non-volatile storage areas.\r
   If VariableName is an empty string, then we just return the first\r
   qualified variable without comparing VariableName and VendorGuid.\r
-  Otherwise, VariableName and VendorGuid are compared.\r
+  If IgnoreRtCheck is TRUE, then we ignore the EFI_VARIABLE_RUNTIME_ACCESS attribute check\r
+  at runtime when searching existing variable, only VariableName and VendorGuid are compared.\r
+  Otherwise, variables without EFI_VARIABLE_RUNTIME_ACCESS are not visible at runtime.\r
 \r
-  @param  VariableName                Name of the variable to be found.\r
-  @param  VendorGuid                  Vendor GUID to be found.\r
-  @param  PtrTrack                    VARIABLE_POINTER_TRACK structure for output,\r
+  @param[in]   VariableName           Name of the variable to be found.\r
+  @param[in]   VendorGuid             Vendor GUID to be found.\r
+  @param[out]  PtrTrack               VARIABLE_POINTER_TRACK structure for output,\r
                                       including the range searched and the target position.\r
-  @param  Global                      Pointer to VARIABLE_GLOBAL structure, including\r
+  @param[in]   Global                 Pointer to VARIABLE_GLOBAL structure, including\r
                                       base of volatile variable storage area, base of\r
                                       NV variable storage area, and a lock.\r
+  @param[in]   IgnoreRtCheck          Ignore EFI_VARIABLE_RUNTIME_ACCESS attribute\r
+                                      check at runtime when searching variable.\r
 \r
   @retval EFI_INVALID_PARAMETER       If VariableName is not an empty string, while\r
                                       VendorGuid is NULL.\r
   @retval EFI_SUCCESS                 Variable successfully found.\r
-  @retval EFI_INVALID_PARAMETER       Variable not found.\r
+  @retval EFI_NOT_FOUND               Variable not found\r
 \r
 **/\r
 EFI_STATUS\r
@@ -140,7 +145,8 @@ FindVariable (
   IN  CHAR16                  *VariableName,\r
   IN  EFI_GUID                *VendorGuid,\r
   OUT VARIABLE_POINTER_TRACK  *PtrTrack,\r
-  IN  VARIABLE_GLOBAL         *Global\r
+  IN  VARIABLE_GLOBAL         *Global,\r
+  IN  BOOLEAN                 IgnoreRtCheck\r
   );\r
 \r
 /**\r