Index: uspace/srv/devman/client_conn.c
===================================================================
--- uspace/srv/devman/client_conn.c	(revision 7969087d1b04a6580e8b990c03bbeb384e53aed3)
+++ uspace/srv/devman/client_conn.c	(revision 26bc0fd10fa2579b9b192f6dd165b50194fcedc4)
@@ -1,4 +1,5 @@
 /*
  * Copyright (c) 2010 Lenka Trochtova
+ * Copyright (c) 2013 Jiri Svoboda
  * All rights reserved.
  *
@@ -269,4 +270,29 @@
 }
 
+/** Get handle for parent function of a device. */
+static void devman_dev_get_parent(ipc_callid_t iid, ipc_call_t *icall)
+{
+	dev_node_t *dev;
+	
+	fibril_rwlock_read_lock(&device_tree.rwlock);
+	
+	dev = find_dev_node_no_lock(&device_tree, IPC_GET_ARG1(*icall));
+	if (dev == NULL || dev->state == DEVICE_REMOVED) {
+		fibril_rwlock_read_unlock(&device_tree.rwlock);
+		async_answer_0(iid, ENOENT);
+		return;
+	}
+	
+	if (dev->pfun == NULL) {
+		fibril_rwlock_read_unlock(&device_tree.rwlock);
+		async_answer_0(iid, ENOENT);
+		return;
+	}
+	
+	async_answer_1(iid, EOK, dev->pfun->handle);
+	
+	fibril_rwlock_read_unlock(&device_tree.rwlock);
+}
+
 static void devman_dev_get_functions(ipc_callid_t iid, ipc_call_t *icall)
 {
@@ -425,5 +451,4 @@
 	
 	if (!async_data_read_receive(&callid, &size)) {
-		async_answer_0(callid, EREFUSED);
 		async_answer_0(iid, EREFUSED);
 		return;
@@ -449,4 +474,45 @@
 	async_answer_1(iid, retval, act_size);
 }
+
+static void devman_driver_get_devices(ipc_callid_t iid, ipc_call_t *icall)
+{
+	ipc_callid_t callid;
+	size_t size;
+	size_t act_size;
+	int rc;
+	
+	if (!async_data_read_receive(&callid, &size)) {
+		async_answer_0(iid, EREFUSED);
+		return;
+	}
+	
+	driver_t *drv = driver_find(&drivers_list, IPC_GET_ARG1(*icall));
+	if (drv == NULL) {
+		async_answer_0(callid, ENOENT);
+		async_answer_0(iid, ENOENT);
+		return;
+	}
+	
+	devman_handle_t *hdl_buf = (devman_handle_t *) malloc(size);
+	if (hdl_buf == NULL) {
+		async_answer_0(callid, ENOMEM);
+		async_answer_0(iid, ENOMEM);
+		return;
+	}
+	
+	rc = driver_get_devices(drv, hdl_buf, size, &act_size);
+	if (rc != EOK) {
+		fibril_rwlock_read_unlock(&device_tree.rwlock);
+		async_answer_0(callid, rc);
+		async_answer_0(iid, rc);
+		return;
+	}
+	
+	sysarg_t retval = async_data_read_finalize(callid, hdl_buf, size);
+	free(hdl_buf);
+	
+	async_answer_1(iid, retval, act_size);
+}
+
 
 /** Find driver by name. */
@@ -563,4 +629,7 @@
 			devman_function_get_handle(callid, &call);
 			break;
+		case DEVMAN_DEV_GET_PARENT:
+			devman_dev_get_parent(callid, &call);
+			break;
 		case DEVMAN_DEV_GET_FUNCTIONS:
 			devman_dev_get_functions(callid, &call);
@@ -589,4 +658,7 @@
 		case DEVMAN_GET_DRIVERS:
 			devman_get_drivers(callid, &call);
+			break;
+		case DEVMAN_DRIVER_GET_DEVICES:
+			devman_driver_get_devices(callid, &call);
 			break;
 		case DEVMAN_DRIVER_GET_HANDLE:
Index: uspace/srv/devman/driver.c
===================================================================
--- uspace/srv/devman/driver.c	(revision 7969087d1b04a6580e8b990c03bbeb384e53aed3)
+++ uspace/srv/devman/driver.c	(revision 26bc0fd10fa2579b9b192f6dd165b50194fcedc4)
@@ -729,4 +729,36 @@
 }
 
+/** Get list of device functions. */
+int driver_get_devices(driver_t *driver, devman_handle_t *hdl_buf,
+    size_t buf_size, size_t *act_size)
+{
+	size_t act_cnt;
+	size_t buf_cnt;
+
+	fibril_mutex_lock(&driver->driver_mutex);
+
+	buf_cnt = buf_size / sizeof(devman_handle_t);
+
+	act_cnt = list_count(&driver->devices);
+	*act_size = act_cnt * sizeof(devman_handle_t);
+
+	if (buf_size % sizeof(devman_handle_t) != 0) {
+		fibril_mutex_unlock(&driver->driver_mutex);
+		return EINVAL;
+	}
+
+	size_t pos = 0;
+	list_foreach(driver->devices, driver_devices, dev_node_t, dev) {
+		if (pos < buf_cnt) {
+			hdl_buf[pos] = dev->handle;
+		}
+
+		pos++;
+	}
+
+	fibril_mutex_unlock(&driver->driver_mutex);
+	return EOK;
+}
+
 /** @}
  */
Index: uspace/srv/devman/driver.h
===================================================================
--- uspace/srv/devman/driver.h	(revision 7969087d1b04a6580e8b990c03bbeb384e53aed3)
+++ uspace/srv/devman/driver.h	(revision 26bc0fd10fa2579b9b192f6dd165b50194fcedc4)
@@ -64,4 +64,5 @@
 extern void delete_driver(driver_t *);
 extern int driver_get_list(driver_list_t *, devman_handle_t *, size_t, size_t *);
+extern int driver_get_devices(driver_t *, devman_handle_t *, size_t, size_t *);
 
 #endif