fixed DMA not be stopped issue when gBS->ExitBootServices called.

[mirror_edk2.git] / MdeModulePkg / Bus / Pci / UhciDxe / Uhci.h

diff --git a/MdeModulePkg/Bus/Pci/UhciDxe/Uhci.h b/MdeModulePkg/Bus/Pci/UhciDxe/Uhci.h
index 3f6d42f370ce3a40322ee1e58e08dbdaa4f71fcc..58be29e444a32ab6fc9b76311e6b191d923a6f18 100644 (file)
--- a/MdeModulePkg/Bus/Pci/UhciDxe/Uhci.h
+++ b/MdeModulePkg/Bus/Pci/UhciDxe/Uhci.h
@@ -2,7 +2,7 @@
 \r
   The definition for UHCI driver model and HC protocol routines.\r
 \r
-Copyright (c) 2004 - 2007, Intel Corporation\r
+Copyright (c) 2004 - 2009, Intel Corporation\r
 All rights reserved. This program and the accompanying materials\r
 are licensed and made available under the terms and conditions of the BSD License\r
 which accompanies this distribution.  The full text of the license may be found at\r
@@ -23,6 +23,8 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 #include <Protocol/UsbHostController.h>\r
 #include <Protocol/PciIo.h>\r
 \r
+#include <Guid/EventGroup.h>\r
+\r
 #include <Library/DebugLib.h>\r
 #include <Library/BaseMemoryLib.h>\r
 #include <Library/UefiDriverEntryPoint.h>\r
@@ -137,6 +139,12 @@ struct _USB_HC_DEV {
   USBHC_MEM_POOL            *MemPool;\r
   EFI_UNICODE_STRING_TABLE  *CtrlNameTable;\r
   VOID                      *FrameMapping;\r
+\r
+  //\r
+  // ExitBootServicesEvent is used to stop the EHC DMA operation \r
+  // after exit boot service.\r
+  //\r
+  EFI_EVENT                 ExitBootServiceEvent;\r
 };\r
 \r
 extern EFI_DRIVER_BINDING_PROTOCOL   gUhciDriverBinding;\r