WdfRequest: Introduce generic request context

Signed-off-by: Dmitry Fleytman <[email protected]>
yang123vc · Feb 10, 2016 · 32e0830 · 32e0830
1 parent 346554f
commit 32e0830
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/UsbDk/WdfRequest.h b/UsbDk/WdfRequest.h
@@ -23,6 +23,11 @@
 
 #pragma once
 
+using WDF_REQUEST_CONTEXT = struct {};
+using PWDF_REQUEST_CONTEXT = WDF_REQUEST_CONTEXT*;
+
+WDF_DECLARE_CONTEXT_TYPE_WITH_NAME(WDF_REQUEST_CONTEXT, WdfRequestGetContext);
+
 class CWdfRequest
 {
 public:
@@ -109,6 +114,9 @@ class CWdfRequest
         return Request;
     }
 
+    PWDF_REQUEST_CONTEXT Context() const
+    { return WdfRequestGetContext(m_Request); }
+
     operator WDFREQUEST() const
     { return m_Request; }