diff --git a/include/spdk/nbd.h b/include/spdk/nbd.h
index 15e905a9c..584dd0652 100644
--- a/include/spdk/nbd.h
+++ b/include/spdk/nbd.h
@@ -44,6 +44,8 @@ extern "C" {
 
 struct spdk_bdev;
 struct spdk_nbd_disk;
+struct spdk_json_write_ctx;
+struct spdk_event;
 
 /**
  * Initialize the network block device layer.
@@ -75,6 +77,14 @@ struct spdk_nbd_disk *spdk_nbd_start(const char *bdev_name, const char *nbd_path
  */
 void spdk_nbd_stop(struct spdk_nbd_disk *nbd);
 
+/**
+ * Write NBD subsystem configuration into provided JSON context.
+ *
+ * \param w JSON write context
+ * \param done_ev call this event when done.
+ */
+void spdk_nbd_write_config_json(struct spdk_json_write_ctx *w, struct spdk_event *done_ev);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/lib/event/subsystems/nbd/nbd.c b/lib/event/subsystems/nbd/nbd.c
index b82ae4f89..767364462 100644
--- a/lib/event/subsystems/nbd/nbd.c
+++ b/lib/event/subsystems/nbd/nbd.c
@@ -59,6 +59,7 @@ static struct spdk_subsystem g_spdk_subsystem_nbd = {
 	.init = spdk_nbd_subsystem_init,
 	.fini = spdk_nbd_subsystem_fini,
 	.config = NULL,
+	.write_config_json = spdk_nbd_write_config_json,
 };
 
 SPDK_SUBSYSTEM_REGISTER(g_spdk_subsystem_nbd);
diff --git a/lib/nbd/nbd.c b/lib/nbd/nbd.c
index 19225788f..d476e8ece 100644
--- a/lib/nbd/nbd.c
+++ b/lib/nbd/nbd.c
@@ -44,6 +44,7 @@
 #include "spdk/log.h"
 #include "spdk/util.h"
 #include "spdk/io_channel.h"
+#include "spdk/event.h"
 
 #include "spdk_internal/log.h"
 #include "spdk/queue.h"
@@ -211,6 +212,27 @@ spdk_nbd_disk_get_bdev_name(struct spdk_nbd_disk *nbd)
 	return spdk_bdev_get_name(nbd->bdev);
 }
 
+void
+spdk_nbd_write_config_json(struct spdk_json_write_ctx *w, struct spdk_event *done_ev)
+{
+	struct spdk_nbd_disk *nbd;
+
+	TAILQ_FOREACH(nbd, &g_spdk_nbd.disk_head, tailq) {
+		spdk_json_write_object_begin(w);
+
+		spdk_json_write_named_string(w, "method", "start_nbd_disk");
+
+		spdk_json_write_named_object_begin(w, "params");
+		spdk_json_write_named_string(w, "nbd_device",  spdk_nbd_disk_get_nbd_path(nbd));
+		spdk_json_write_named_string(w, "bdev_name", spdk_nbd_disk_get_bdev_name(nbd));
+		spdk_json_write_object_end(w);
+
+		spdk_json_write_object_end(w);
+	}
+
+	spdk_event_call(done_ev);
+}
+
 void
 nbd_disconnect(struct spdk_nbd_disk *nbd)
 {