Index: uspace/drv/infrastructure/rootvirt/rootvirt.c
===================================================================
--- uspace/drv/infrastructure/rootvirt/rootvirt.c	(revision e4f8c77d2f0ec68a5943a6b063aaa901dc22d1b4)
+++ uspace/drv/infrastructure/rootvirt/rootvirt.c	(revision e4f8c77d2f0ec68a5943a6b063aaa901dc22d1b4)
@@ -0,0 +1,153 @@
+/*
+ * Copyright (c) 2010 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.
+ */
+
+/**
+ * @defgroup rootvirt Root device driver for virtual devices.
+ * @{
+ */
+
+/** @file
+ */
+
+#include <assert.h>
+#include <stdio.h>
+#include <errno.h>
+#include <str_error.h>
+#include <ddf/driver.h>
+#include <ddf/log.h>
+
+#define NAME "rootvirt"
+
+/** Virtual function entry */
+typedef struct {
+	/** Function name */
+	const char *name;
+	/** Function match ID */
+	const char *match_id;
+} virtual_function_t;
+
+/** List of existing virtual functions */
+virtual_function_t virtual_functions[] = {
+#include "devices.def"
+	/* Terminating item */
+	{
+		.name = NULL,
+		.match_id = NULL
+	}
+};
+
+static int rootvirt_add_device(ddf_dev_t *dev);
+
+static driver_ops_t rootvirt_ops = {
+	.add_device = &rootvirt_add_device
+};
+
+static driver_t rootvirt_driver = {
+	.name = NAME,
+	.driver_ops = &rootvirt_ops
+};
+
+/** Add function to the virtual device.
+ *
+ * @param vdev		The virtual device
+ * @param vfun		Virtual function description
+ * @return		EOK on success or negative error code.
+ */
+static int rootvirt_add_fun(ddf_dev_t *vdev, virtual_function_t *vfun)
+{
+	ddf_fun_t *fun;
+	int rc;
+
+	ddf_msg(LVL_DEBUG, "Registering function `%s' (match \"%s\")",
+	    vfun->name, vfun->match_id);
+
+	fun = ddf_fun_create(vdev, fun_inner, vfun->name);
+	if (fun == NULL) {
+		ddf_msg(LVL_ERROR, "Failed creating function %s", vfun->name);
+		return ENOMEM;
+	}
+
+	rc = ddf_fun_add_match_id(fun, vfun->match_id, 10);
+	if (rc != EOK) {
+		ddf_msg(LVL_ERROR, "Failed adding match IDs to function %s",
+		    vfun->name);
+		ddf_fun_destroy(fun);
+		return rc;
+	}
+
+	rc = ddf_fun_bind(fun);
+	if (rc != EOK) {
+		ddf_msg(LVL_ERROR, "Failed binding function %s: %s",
+		    vfun->name, str_error(rc));
+		ddf_fun_destroy(fun);
+		return rc;
+	}
+
+	ddf_msg(LVL_NOTE, "Registered child device `%s'", vfun->name);
+	return EOK;
+}
+
+static int rootvirt_add_device(ddf_dev_t *dev)
+{
+	static int instances = 0;
+
+	/*
+	 * Allow only single instance of root virtual device.
+	 */
+	instances++;
+	if (instances > 1) {
+		return ELIMIT;
+	}
+
+	ddf_msg(LVL_DEBUG, "add_device(handle=%d)", (int)dev->handle);
+
+	/*
+	 * Go through all virtual functions and try to add them.
+	 * We silently ignore failures.
+	 */
+	virtual_function_t *vfun = virtual_functions;
+	while (vfun->name != NULL) {
+		(void) rootvirt_add_fun(dev, vfun);
+		vfun++;
+	}
+
+	return EOK;
+}
+
+int main(int argc, char *argv[])
+{
+	printf(NAME ": HelenOS virtual devices root driver\n");
+
+	ddf_log_init(NAME, LVL_ERROR);
+	return ddf_driver_main(&rootvirt_driver);
+}
+
+/**
+ * @}
+ */
+