X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=IntelSiliconPkg%2FFeature%2FVTd%2FIntelVTdDxe%2FVtdReg.c;h=8dbc83fa2d6764654209d820f4a98ab9e9c90785;hp=1404af7cd7817fb4163b9eb01e7ad2df66631d87;hb=8d8c487fb9845685a2d7d0489bc0e2b3cca4d5ff;hpb=9010459c9aaa985619e341ecc2789a06993b2310

diff --git a/IntelSiliconPkg/Feature/VTd/IntelVTdDxe/VtdReg.c b/IntelSiliconPkg/Feature/VTd/IntelVTdDxe/VtdReg.c
index 1404af7cd7..8dbc83fa2d 100644
--- a/IntelSiliconPkg/Feature/VTd/IntelVTdDxe/VtdReg.c
+++ b/IntelSiliconPkg/Feature/VTd/IntelVTdDxe/VtdReg.c
@@ -1,6 +1,6 @@
 /** @file
 
-  Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
+  Copyright (c) 2017 - 2018, Intel Corporation. All rights reserved.<BR>
   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
@@ -13,7 +13,6 @@
 
 #include "DmaProtection.h"
 
-UINT64                           mVtdHostAddressWidthMask;
 UINTN                            mVtdUnitNumber;
 VTD_UNIT_INFORMATION             *mVtdUnitInformation;
 
@@ -482,7 +481,7 @@ DumpVtdRegs (
       SourceId.Uint16 = (UINT16)FrcdReg.Bits.SID;
       DEBUG((DEBUG_INFO, "    Source - B%02x D%02x F%02x\n", SourceId.Bits.Bus, SourceId.Bits.Device, SourceId.Bits.Function));
       DEBUG((DEBUG_INFO, "    Type - %x (%a)\n", FrcdReg.Bits.T, FrcdReg.Bits.T ? "read" : "write"));
-      DEBUG((DEBUG_INFO, "    Reason - %x\n", FrcdReg.Bits.FR));
+      DEBUG((DEBUG_INFO, "    Reason - %x (Refer to VTd Spec, Appendix A)\n", FrcdReg.Bits.FR));
     }
   }