ntoskrnl: Add KeSetImportanceDpc stub.

dlls/ntoskrnl.exe/ntoskrnl.c

@@ -3032,6 +3032,14 @@ VOID WINAPI KeInitializeDpc(PRKDPC Dpc, PKDEFERRED_ROUTINE DeferredRoutine, PVOI
 }
 
 /***********************************************************************
+ *          KeSetImportanceDpc   (NTOSKRNL.EXE.@)
+ */
+VOID WINAPI KeSetImportanceDpc(PRKDPC dpc, KDPC_IMPORTANCE importance)
+{
+    FIXME("%p, %d stub\n", dpc, importance);
+}
+
+/***********************************************************************
  *          KeSetTargetProcessorDpc   (NTOSKRNL.EXE.@)
  */
 VOID WINAPI KeSetTargetProcessorDpc(PRKDPC dpc, CCHAR number)

dlls/ntoskrnl.exe/ntoskrnl.exe.spec

@@ -626,7 +626,7 @@
 @ stdcall KeSetEvent(ptr long long)
 @ stub KeSetEventBoostPriority
 @ stub KeSetIdealProcessorThread
-@ stub KeSetImportanceDpc
+@ stdcall KeSetImportanceDpc(ptr long)
 @ stub KeSetKernelStackSwapEnable
 @ stdcall KeSetPriorityThread(ptr long)
 @ stub KeSetProfileIrql

include/ddk/wdm.h

@@ -91,6 +91,13 @@ typedef struct _KDPC {
   PULONG_PTR  Lock;
 } KDPC, *PKDPC, *RESTRICTED_POINTER PRKDPC;
 
+typedef enum _KDPC_IMPORTANCE {
+  LowImportance,
+  MediumImportance,
+  HighImportance,
+  MediumHighImportance
+} KDPC_IMPORTANCE;
+
 typedef struct _KDEVICE_QUEUE_ENTRY {
   LIST_ENTRY  DeviceListEntry;
   ULONG  SortKey;