1 files changed, 11 insertions, 0 deletions
diff --git a/UefiCpuPkg/Library/MpInitLib/MpLib.h b/UefiCpuPkg/Library/MpInitLib/MpLib.h
index 56de3bfb1c..be67cd88ec 100644
--- a/UefiCpuPkg/Library/MpInitLib/MpLib.h
+++ b/UefiCpuPkg/Library/MpInitLib/MpLib.h
@@ -224,6 +224,7 @@ typedef struct {
   BOOLEAN            SevEsIsEnabled;
   BOOLEAN            SevSnpIsEnabled;
   UINTN              GhcbBase;
+  BOOLEAN            ExtTopoAvail;
 } MP_CPU_EXCHANGE_INFO;
 
 #pragma pack()
@@ -788,4 +789,14 @@ ConfidentialComputingGuestHas (
   CONFIDENTIAL_COMPUTING_GUEST_ATTR  Attr
   );
 
+/**
+  The function fills the exchange data for the AP.
+
+  @param[in]   ExchangeInfo  The pointer to CPU Exchange Data structure
+**/
+VOID
+FillExchangeInfoDataSevEs (
+  IN volatile MP_CPU_EXCHANGE_INFO  *ExchangeInfo
+  );
+
 #endif