[silverblade] 27483: Kernel-mode COM rough implementation for KS. Forgot to add to SVN on last commit.

Author: silverblade
Date: Sun Jul  8 19:54:12 2007
New Revision: 27483

URL: http://svn.reactos.org/svn/reactos?rev=27483&view=rev
Log:
Kernel-mode COM rough implementation for KS. Forgot to add to SVN on 
last commit.


Added:
    trunk/reactos/drivers/ksfilter/ks/kcom.c

Added: trunk/reactos/drivers/ksfilter/ks/kcom.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/ksfilter/ks/kcom.c…
==============================================================================
--- trunk/reactos/drivers/ksfilter/ks/kcom.c (added)
+++ trunk/reactos/drivers/ksfilter/ks/kcom.c Sun Jul  8 19:54:12 2007
@@ -1,0 +1,51 @@
+/* ===============================================================
+    Kernel-mode COM
+*/
+
+#include <windows.h>
+#include <ntddk.h>
+#include <ks.h>
+#include <kcom.h>
+#include <debug.h>
+
+
+/* http://msdn2.microsoft.com/en-us/library/ms809781.aspx */
+COMDDKAPI NTSTATUS NTAPI
+KoCreateInstance(
+    IN  REFCLSID ClassId,
+    IN  IUnknown* UnkOuter OPTIONAL,
+    IN  ULONG ClsContext,
+    IN  REFIID InterfaceId,
+    OUT PVOID* Interface)
+{
+    /* If UnkOuter isn't NULL, it must be IUnknown - TODO: CHECK THIS PARAM */
+    /* TODO: Check IRQL? */
+
+    DPRINT("KoCreateInstance called\n");
+
+    if ( ClsContext != CLSCTX_KERNEL_SERVER )
+    {
+        DPRINT("FAILED: ClsContext must be CLSCTX_KERNEL_SERVER\n");
+        return STATUS_INVALID_PARAMETER_3;
+    }
+
+    /*
+        Find the desired interface and create an instance.  
+
+        But we also need to supply a
+        pointer which will be set to a list of available interfaces, to
+        IoGetDeviceInterfaces.
+
+        We can then create a file based on this information and thus talk
+        to the appropriate device.
+
+        Useful references:
+            http://www.freelists.org/archives/wdmaudiodev/01-2003/msg00023.html
+
+        TODO
+    */
+
+    DPRINT("** FAKING SUCCESS **\n");
+
+    return STATUS_SUCCESS;
+}