Index: uspace/drv/test3/Makefile
===================================================================
--- uspace/drv/test3/Makefile	(revision 5d1b3aa2ae833977640704ed7cf0ed0ad531bb41)
+++ uspace/drv/test3/Makefile	(revision 5d1b3aa2ae833977640704ed7cf0ed0ad531bb41)
@@ -0,0 +1,37 @@
+#
+# Copyright (c) 2011 Vojtech Horky
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# - Redistributions of source code must retain the above copyright
+#   notice, this list of conditions and the following disclaimer.
+# - Redistributions in binary form must reproduce the above copyright
+#   notice, this list of conditions and the following disclaimer in the
+#   documentation and/or other materials provided with the distribution.
+# - The name of the author may not be used to endorse or promote products
+#   derived from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+
+USPACE_PREFIX = ../..
+LIBS = $(LIBDRV_PREFIX)/libdrv.a
+EXTRA_CFLAGS += -I$(LIBDRV_PREFIX)/include
+BINARY = test3
+
+SOURCES = \
+	test3.c
+
+include $(USPACE_PREFIX)/Makefile.common
Index: uspace/drv/test3/test3.c
===================================================================
--- uspace/drv/test3/test3.c	(revision 5d1b3aa2ae833977640704ed7cf0ed0ad531bb41)
+++ uspace/drv/test3/test3.c	(revision 5d1b3aa2ae833977640704ed7cf0ed0ad531bb41)
@@ -0,0 +1,118 @@
+/*
+ * Copyright (c) 2011 Vojtech Horky
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * - The name of the author may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/** @file
+ */
+
+#include <assert.h>
+#include <stdio.h>
+#include <errno.h>
+#include <str_error.h>
+#include <ddf/driver.h>
+#include <ddf/log.h>
+
+#define NAME "test3"
+
+static int test3_add_device(ddf_dev_t *dev);
+
+static driver_ops_t driver_ops = {
+	.add_device = &test3_add_device
+};
+
+static driver_t test3_driver = {
+	.name = NAME,
+	.driver_ops = &driver_ops
+};
+
+static int register_fun_and_add_to_class(ddf_dev_t *parent,
+     const char *base_name, size_t index, const char *class_name)
+{
+	ddf_fun_t *fun = NULL;
+	int rc;
+	char *fun_name = NULL;
+	
+	rc = asprintf(&fun_name, "%s%zu", base_name, index);
+	if (rc < 0) {
+		ddf_msg(LVL_ERROR, "Failed to format string: %s", str_error(rc));
+		goto leave;
+	}
+	
+	fun = ddf_fun_create(parent, fun_exposed, fun_name);
+	if (fun == NULL) {
+		ddf_msg(LVL_ERROR, "Failed creating function %s", fun_name);
+		rc = ENOMEM;
+		goto leave;
+	}
+
+	rc = ddf_fun_bind(fun);
+	if (rc != EOK) {
+		ddf_msg(LVL_ERROR, "Failed binding function %s: %s", fun_name,
+		    str_error(rc));
+		goto leave;
+	}
+	
+	ddf_fun_add_to_class(fun, class_name);
+
+	ddf_msg(LVL_NOTE, "Registered exposed function `%s'.", fun_name);
+
+leave:	
+	free(fun_name);
+	
+	if ((rc != EOK) && (fun != NULL)) {
+		ddf_fun_destroy(fun);
+	}
+	
+	return rc;
+}
+
+static int test3_add_device(ddf_dev_t *dev)
+{
+	int rc = EOK;
+
+	ddf_msg(LVL_DEBUG, "add_device(name=\"%s\", handle=%d)",
+	    dev->name, (int) dev->handle);
+
+	size_t i;
+	for (i = 0; i < 20; i++) {
+		rc = register_fun_and_add_to_class(dev,
+		    "test3_", i, "test3");
+		if (rc != EOK) {
+			break;
+		}
+	}
+	
+	return rc;
+}
+
+int main(int argc, char *argv[])
+{
+	printf(NAME ": HelenOS test3 virtual device driver\n");
+	ddf_log_init(NAME, LVL_ERROR);
+	return ddf_driver_main(&test3_driver);
+}
+
Index: uspace/drv/test3/test3.ma
===================================================================
--- uspace/drv/test3/test3.ma	(revision 5d1b3aa2ae833977640704ed7cf0ed0ad531bb41)
+++ uspace/drv/test3/test3.ma	(revision 5d1b3aa2ae833977640704ed7cf0ed0ad531bb41)
@@ -0,0 +1,1 @@
+10 virtual&test3