SourceLevelDebugPkg DebugUsb3: Support IOMMU

For PEI, allocate granted DMA buffer from IOMMU PPI.
For DXE, map DMA buffer by PciIo.

Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Ruiyu Ni <ruiyu.ni@intel.com>
Cc: Hao Wu <hao.a.wu@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>

SourceLevelDebugPkg/Library/DebugCommunicationLibUsb3/DebugCommunicationLibUsb3Dxe.inf

@@ -1,7 +1,7 @@
 ## @file
 #  Debug Communication Library instance based on usb3 debug port.
 #
-#  Copyright (c) 2014 - 2017, Intel Corporation. All rights reserved.<BR>
+#  Copyright (c) 2014 - 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
@@ -21,6 +21,8 @@
   MODULE_TYPE                    = DXE_DRIVER
   VERSION_STRING                 = 1.0
   LIBRARY_CLASS                  = DebugCommunicationLib|DXE_CORE DXE_DRIVER DXE_RUNTIME_DRIVER DXE_SAL_DRIVER DXE_SMM_DRIVER UEFI_APPLICATION UEFI_DRIVER SMM_CORE
+  CONSTRUCTOR                    = DebugCommunicationUsb3DxeConstructor
+  DESTRUCTOR                     = DebugCommunicationUsb3DxeDestructor
 
 #
 # The following information is for reference only and not required by the build tools.
@@ -54,7 +56,11 @@
 
   # The value of data buffer size used for USB debug port handle.
   # It should be equal to sizeof (USB3_DEBUG_PORT_HANDLE).
-  gEfiSourceLevelDebugPkgTokenSpaceGuid.PcdDebugPortHandleBufferSize|239   ## SOMETIMES_CONSUMES
+  gEfiSourceLevelDebugPkgTokenSpaceGuid.PcdDebugPortHandleBufferSize|250   ## SOMETIMES_CONSUMES
+
+[Protocols]
+  gEfiPciIoProtocolGuid                 ## CONSUMES
+  gEdkiiIoMmuProtocolGuid               ## CONSUMES
 
 [LibraryClasses]
   BaseLib
@@ -65,4 +71,4 @@
   UefiBootServicesTableLib
   UefiLib
   BaseMemoryLib
-  
+  HobLib