Index: uspace/lib/drv/generic/remote_battery_dev.c
===================================================================
--- uspace/lib/drv/generic/remote_battery_dev.c	(revision 69a13a460047efaa83ac475840ee5fc01319cb5e)
+++ uspace/lib/drv/generic/remote_battery_dev.c	(revision 69a13a460047efaa83ac475840ee5fc01319cb5e)
@@ -0,0 +1,114 @@
+/*
+ * Copyright (c) 2012 Maurizio Lombardi
+ * 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.
+ */
+
+/** @addtogroup libdrv
+ * @{
+ */
+/** @file
+ */
+
+#include <async.h>
+#include <errno.h>
+#include <ops/battery_dev.h>
+#include <device/battery_dev.h>
+#include <ddf/driver.h>
+
+static void remote_battery_status_get(ddf_fun_t *, void *, ipc_callid_t,
+    ipc_call_t *);
+static void remote_battery_charge_level_get(ddf_fun_t *, void *, ipc_callid_t,
+    ipc_call_t *);
+
+/** Remote battery interface operations */
+static remote_iface_func_ptr_t remote_battery_dev_iface_ops[] = {
+	&remote_battery_status_get,
+	&remote_battery_charge_level_get,
+};
+
+/** Remote battery interface structure
+ *
+ * Interface for processing request from remote clients
+ * addressed by the battery interface.
+ *
+ */
+remote_iface_t remote_battery_dev_iface = {
+	.method_count = sizeof(remote_battery_dev_iface_ops) /
+	    sizeof(remote_iface_func_ptr_t),
+	.methods = remote_battery_dev_iface_ops,
+};
+
+/** Process the status_get() request from the remote client
+ *
+ * @param fun    The function from which the battery status is read
+ * @param ops    The local ops structure
+ */
+static void
+remote_battery_status_get(ddf_fun_t *fun, void *ops, ipc_callid_t callid,
+    ipc_call_t *call)
+{
+	const battery_dev_ops_t *bops = (battery_dev_ops_t *) ops;
+
+	if (bops->battery_status_get == NULL) {
+		async_answer_0(callid, ENOTSUP);
+		return;
+	}
+
+	battery_status_t batt_status;
+	const int rc = bops->battery_status_get(fun, &batt_status);
+
+	if (rc != EOK)
+		async_answer_0(callid, rc);
+	else
+		async_answer_1(callid, rc, batt_status);
+}
+
+/** Process the battery_charge_level_get() request from the remote client
+ *
+ * @param fun    The function from which the battery charge level is read
+ * @param ops    The local ops structure
+ *
+ */
+static void
+remote_battery_charge_level_get(ddf_fun_t *fun, void *ops, ipc_callid_t callid,
+    ipc_call_t *call)
+{
+	const battery_dev_ops_t *bops = (battery_dev_ops_t *) ops;
+
+	if (bops->battery_charge_level_get == NULL) {
+		async_answer_0(callid, ENOTSUP);
+		return;
+	}
+
+	int battery_level;
+	const int rc = bops->battery_charge_level_get(fun, &battery_level);
+
+	if (rc != EOK)
+		async_answer_0(callid, rc);
+	else
+		async_answer_1(callid, rc, battery_level);
+}
+