added PPI and Protocol definitions needed by porting modules

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2778 6f19259b-4bc3-4df7-8a09-765794883524

MdeModulePkg/Include/Ppi/FindFv.h

@@ -0,0 +1,71 @@
+/** @file
+  This file declares FindFv PPI used to locate FVs that contain PEIMs in PEI
+
+  Copyright (c) 2006, 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:  FindFv.h
+
+  @par Revision Reference:
+  This PPI is defined in PEI CIS
+  Version 0.91
+
+**/
+
+#ifndef __FIND_FV_H__
+#define __FIND_FV_H__
+
+#define EFI_PEI_FIND_FV_PPI_GUID \
+  { \
+    0x36164812, 0xa023, 0x44e5, {0xbd, 0x85, 0x5, 0xbf, 0x3c, 0x77, 0x0, 0xaa } \
+  }
+
+typedef struct _EFI_PEI_FIND_FV_PPI EFI_PEI_FIND_FV_PPI;
+
+/**
+  This interface returns the base address of the firmware volume whose index 
+  was passed in FvNumber.Once this function reports a firmware volume 
+  index/base address pair, that index/address pairing must continue throughout PEI.
+
+  @param  PeiServices    Pointer to the PEI Services Table.
+  @param  This           Interface pointer that implements the Find FV service.
+  @param  FvNumber       The index of the firmware volume to locate.
+  @param  FvAddress      The address of the volume to discover.
+
+  @retval EFI_SUCCESS           An additional firmware volume was found.
+  @retval EFI_OUT_OF_RESOURCES  There are no firmware volumes for the given FvNumber.
+  @retval EFI_INVALID_PARAMETER *FvAddress is NULL.
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EFI_PEI_FIND_FV_FINDFV) (
+  IN EFI_PEI_FIND_FV_PPI      *This,
+  IN EFI_PEI_SERVICES         **PeiServices,
+  UINT8                       *FvNumber,
+  EFI_FIRMWARE_VOLUME_HEADER  **FVAddress
+  );
+
+/**
+  @par Ppi Description:
+  Hardware mechanisms for locating FVs in a platform vary widely.
+  EFI_PEI_FIND_FV_PPI serves to abstract this variation so that the 
+  PEI Foundation can remain standard across a wide variety of platforms.
+
+  @param FindFv
+  Service that abstracts the location of additional firmware volumes.
+
+**/
+struct _EFI_PEI_FIND_FV_PPI {
+  EFI_PEI_FIND_FV_FINDFV  FindFv;
+};
+
+extern EFI_GUID gEfiFindFvPpiGuid;
+
+#endif