diff --git a/headers/private/virtio/virtio.h b/headers/private/virtio/virtio.h
index 03792426b4..12691a1e52 100644
--- a/headers/private/virtio/virtio.h
+++ b/headers/private/virtio/virtio.h
@@ -117,6 +117,12 @@ typedef struct {
 		size_t readVectorCount, size_t writtenVectorCount,
 		virtio_callback_func callback, void *callbackCookie);
 
+	bool (*queue_is_full)(virtio_queue queue);
+
+	bool (*queue_is_empty)(virtio_queue queue);
+
+	uint16 (*queue_size)(virtio_queue queue);
+
 } virtio_device_interface;
 
 
diff --git a/src/add-ons/kernel/bus_managers/virtio/VirtioModule.cpp b/src/add-ons/kernel/bus_managers/virtio/VirtioModule.cpp
index f2a284e96e..41b5860365 100644
--- a/src/add-ons/kernel/bus_managers/virtio/VirtioModule.cpp
+++ b/src/add-ons/kernel/bus_managers/virtio/VirtioModule.cpp
@@ -134,6 +134,31 @@ virtio_queue_request(virtio_queue cookie, const physical_entry *readEntry,
 }
 
 
+bool
+virtio_queue_is_full(virtio_queue cookie)
+{
+	VirtioQueue *queue = (VirtioQueue *)cookie;
+	return queue->IsFull();
+}
+
+
+bool
+virtio_queue_is_empty(virtio_queue cookie)
+{
+	VirtioQueue *queue = (VirtioQueue *)cookie;
+	return queue->IsEmpty();
+}
+
+
+uint16
+virtio_queue_size(virtio_queue cookie)
+{
+	VirtioQueue *queue = (VirtioQueue *)cookie;
+	return queue->Size();
+}
+
+
+
 //	#pragma mark -
 
 
@@ -222,7 +247,10 @@ virtio_device_interface virtio_device_module = {
 	virtio_alloc_queues,
 	virtio_setup_interrupt,
 	virtio_queue_request,
-	virtio_queue_request_v
+	virtio_queue_request_v,
+	virtio_queue_is_full,
+	virtio_queue_is_empty,
+	virtio_queue_size
 };
 
 virtio_for_controller_interface virtio_for_controller_module = {
diff --git a/src/add-ons/kernel/bus_managers/virtio/VirtioPrivate.h b/src/add-ons/kernel/bus_managers/virtio/VirtioPrivate.h
index a83eaf8058..4e0e0d132e 100644
--- a/src/add-ons/kernel/bus_managers/virtio/VirtioPrivate.h
+++ b/src/add-ons/kernel/bus_managers/virtio/VirtioPrivate.h
@@ -107,6 +107,7 @@ public:
 
 			bool				IsFull() const { return fRingFree == 0; }
 			bool				IsEmpty() const { return fRingFree == fRingSize; }
+			uint16				Size() const { return fRingSize; }
 
 			VirtioDevice*		Device() { return fDevice; }