Index: uspace/lib/drv/include/ddf/interrupt.h
===================================================================
--- uspace/lib/drv/include/ddf/interrupt.h	(revision beb6b3d6e20326397f9e424ddf9e80a5793ba573)
+++ uspace/lib/drv/include/ddf/interrupt.h	(revision beb6b3d6e20326397f9e424ddf9e80a5793ba573)
@@ -0,0 +1,86 @@
+/*
+ * Copyright (c) 2010 Lenka Trochtova
+ * 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
+ */
+
+#ifndef DDF_INTERRUPT_H_
+#define DDF_INTERRUPT_H_
+
+#include <kernel/ddi/irq.h>
+#include <adt/list.h>
+#include <ddi.h>
+#include <fibril_synch.h>
+
+#include "driver.h"
+#include "../dev_iface.h"
+
+/*
+ * Interrupts
+ */
+
+typedef void interrupt_handler_t(ddf_dev_t *, ipc_callid_t, ipc_call_t *);
+
+typedef struct interrupt_context {
+	int id;
+	ddf_dev_t *dev;
+	int irq;
+	interrupt_handler_t *handler;
+	link_t link;
+} interrupt_context_t;
+
+typedef struct interrupt_context_list {
+	int curr_id;
+	link_t contexts;
+	fibril_mutex_t mutex;
+} interrupt_context_list_t;
+
+extern interrupt_context_t *create_interrupt_context(void);
+extern void delete_interrupt_context(interrupt_context_t *);
+extern void init_interrupt_context_list(interrupt_context_list_t *);
+extern void add_interrupt_context(interrupt_context_list_t *,
+    interrupt_context_t *);
+extern void remove_interrupt_context(interrupt_context_list_t *,
+    interrupt_context_t *);
+extern interrupt_context_t *find_interrupt_context_by_id(
+    interrupt_context_list_t *, int);
+extern interrupt_context_t *find_interrupt_context(
+    interrupt_context_list_t *, ddf_dev_t *, int);
+
+extern int register_interrupt_handler(ddf_dev_t *, int, interrupt_handler_t *,
+    irq_code_t *);
+extern int unregister_interrupt_handler(ddf_dev_t *, int);
+
+#endif
+
+/**
+ * @}
+ */