Add in the 1st version of ECP.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2832 6f19259b-4bc3-4df7-8a09-765794883524

EdkCompatibilityPkg/Foundation/Framework/Ppi/Variable/Variable.h

@@ -0,0 +1,62 @@
+/*++
+
+Copyright (c) 2004, Intel Corporation                                                         
+All rights reserved. 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        
+http://opensource.org/licenses/bsd-license.php                                            
+                                                                                          
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.             
+
+Module Name:
+
+  Variable.h
+    
+Abstract:
+
+  Read-only Variable Service PPI as defined in Tiano
+
+--*/
+
+#ifndef _PEI_READ_ONLY_VARIABLE_PPI_H
+#define _PEI_READ_ONLY_VARIABLE_PPI_H
+
+#include "EfiVariable.h"
+
+#define PEI_READ_ONLY_VARIABLE_ACCESS_PPI_GUID \
+  { \
+    0x3cdc90c6, 0x13fb, 0x4a75, 0x9e, 0x79, 0x59, 0xe9, 0xdd, 0x78, 0xb9, 0xfa \
+  }
+
+
+typedef
+EFI_STATUS
+(EFIAPI *PEI_GET_VARIABLE) (
+  IN EFI_PEI_SERVICES             **PeiServices,
+  IN CHAR16                       *VariableName,
+  IN EFI_GUID                     * VendorGuid,
+  OUT UINT32                      *Attributes OPTIONAL,
+  IN OUT UINTN                    *DataSize,
+  OUT VOID                        *Data
+  );
+
+typedef
+EFI_STATUS
+(EFIAPI *PEI_GET_NEXT_VARIABLE_NAME) (
+  IN EFI_PEI_SERVICES             **PeiServices,
+  IN OUT UINTN                    *VariableNameSize,
+  IN OUT CHAR16                   *VariableName,
+  IN OUT EFI_GUID                 * VendorGuid
+  );
+
+typedef struct PEI_READ_ONLY_VARIABLE_PPI {
+  PEI_GET_VARIABLE            PeiGetVariable;
+  PEI_GET_NEXT_VARIABLE_NAME  PeiGetNextVariableName;
+} PEI_READ_ONLY_VARIABLE_PPI;
+
+EFI_FORWARD_DECLARATION (PEI_MASTER_BOOT_MODE_PPI);
+
+extern EFI_GUID gPeiReadOnlyVariablePpiGuid;
+
+#endif