1 files changed, 23 insertions, 0 deletions
diff --git a/IntelFsp2Pkg/Include/Library/FspSecPlatformLib.h b/IntelFsp2Pkg/Include/Library/FspSecPlatformLib.h
index 920115e..c91ea4a 100644
--- a/IntelFsp2Pkg/Include/Library/FspSecPlatformLib.h
+++ b/IntelFsp2Pkg/Include/Library/FspSecPlatformLib.h
@@ -81,6 +81,7 @@ FspUpdSignatureCheck (
 
 /**
   This function handles FspMultiPhaseSiInitApi.
+  Starting from FSP 2.4 this function is obsolete and FspMultiPhaseSiInitApiHandlerV2 is the replacement.
 
   @param[in]  ApiIdx           Internal index of the FSP API.
   @param[in]  ApiParam         Parameter of the FSP API.
@@ -93,4 +94,26 @@ FspMultiPhaseSiInitApiHandler (
   IN VOID    *ApiParam
   );
 
+/**
+  FSP MultiPhase Platform Get Number Of Phases Function.
+
+  Allows an FSP binary to dynamically update the number of phases at runtime.
+  For example, UPD settings could negate the need to enter the multi-phase flow
+  in certain scenarios. If this function returns FALSE, the default number of phases
+  provided by PcdMultiPhaseNumberOfPhases will be returned to the bootloader instead.
+
+  @param[in] ApiIdx                  - Internal index of the FSP API.
+  @param[in] NumberOfPhasesSupported - How many phases are supported by current FSP Component.
+
+  @retval  TRUE  - NumberOfPhases are modified by Platform during runtime.
+  @retval  FALSE - The Default build time NumberOfPhases should be used.
+
+**/
+BOOLEAN
+EFIAPI
+FspMultiPhasePlatformGetNumberOfPhases (
+  IN     UINTN   ApiIdx,
+  IN OUT UINT32  *NumberOfPhasesSupported
+  );
+
 #endif