memory: allow MemoryListeners to observe a specific address space
Ignore any regions not belonging to a specified address space.
Signed-off-by: Avi Kivity <avi@redhat.com>
diff --git a/memory.h b/memory.h
index 1d99cee..bc9600b4 100644
--- a/memory.h
+++ b/memory.h
@@ -193,6 +193,7 @@
bool match_data, uint64_t data, int fd);
/* Lower = earlier (during add), later (during del) */
unsigned priority;
+ MemoryRegion *address_space_filter;
QTAILQ_ENTRY(MemoryListener) link;
};
@@ -685,8 +686,9 @@
* space
*
* @listener: an object containing the callbacks to be called
+ * @filter: if non-%NULL, only regions in this address space will be observed
*/
-void memory_listener_register(MemoryListener *listener);
+void memory_listener_register(MemoryListener *listener, MemoryRegion *filter);
/**
* memory_listener_unregister: undo the effect of memory_listener_register()