IntelSiliconPkg/IntelVTdDxe: Do global invalidation before boot

[mirror_edk2.git] / IntelSiliconPkg / Feature / VTd / IntelVTdDxe / DmaProtection.h

diff --git a/IntelSiliconPkg/Feature/VTd/IntelVTdDxe/DmaProtection.h b/IntelSiliconPkg/Feature/VTd/IntelVTdDxe/DmaProtection.h
index 72426d23c3ffb1fe15bfe1b47e1ce8e90026d971..a3331db8f76b8f65aeaff346e51d4d55c7e96dfe 100644 (file)
--- a/IntelSiliconPkg/Feature/VTd/IntelVTdDxe/DmaProtection.h
+++ b/IntelSiliconPkg/Feature/VTd/IntelVTdDxe/DmaProtection.h
@@ -1,6 +1,6 @@
 /** @file\r
 \r
-  Copyright (c) 2017 - 2018, Intel Corporation. All rights reserved.<BR>\r
+  Copyright (c) 2017 - 2019, Intel Corporation. All rights reserved.<BR>\r
   SPDX-License-Identifier: BSD-2-Clause-Patent\r
 \r
 **/\r
@@ -168,6 +168,36 @@ DisableDmar (
   VOID\r
   );\r
 \r
+/**\r
+  Flush VTd engine write buffer.\r
+\r
+  @param[in]  VtdIndex          The index used to identify a VTd engine.\r
+**/\r
+VOID\r
+FlushWriteBuffer (\r
+  IN UINTN  VtdIndex\r
+  );\r
+\r
+/**\r
+  Invalidate VTd context cache.\r
+\r
+  @param[in]  VtdIndex          The index used to identify a VTd engine.\r
+**/\r
+EFI_STATUS\r
+InvalidateContextCache (\r
+  IN UINTN  VtdIndex\r
+  );\r
+\r
+/**\r
+  Invalidate VTd IOTLB.\r
+\r
+  @param[in]  VtdIndex          The index used to identify a VTd engine.\r
+**/\r
+EFI_STATUS\r
+InvalidateIOTLB (\r
+  IN UINTN  VtdIndex\r
+  );\r
+\r
 /**\r
   Invalid VTd global IOTLB.\r
 \r