Index: uspace/lib/c/include/device/ahci.h
===================================================================
--- uspace/lib/c/include/device/ahci.h	(revision 730dce77253b6e2ff27c35fa1c5ddc07e8cfe838)
+++ uspace/lib/c/include/device/ahci.h	(revision 730dce77253b6e2ff27c35fa1c5ddc07e8cfe838)
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2012 Petr Jerman
+ * 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 libc
+ * @{
+ */
+/** @file
+ * @brief AHCI interface definition.
+ */
+
+#ifndef LIBC_DEVICE_AHCI_H_
+#define LIBC_DEVICE_AHCI_H_
+
+#include <async.h>
+#include <devman.h>
+
+extern async_sess_t* ahci_get_sess(devman_handle_t, char **);
+
+extern int ahci_get_sata_device_name(async_sess_t *, size_t, char *);
+extern int ahci_get_num_blocks(async_sess_t *, uint64_t *);
+extern int ahci_get_block_size(async_sess_t *, size_t *);
+extern int ahci_read_blocks(async_sess_t *, uint64_t, size_t, void *);
+extern int ahci_write_blocks(async_sess_t *, uint64_t, size_t, void *);
+
+#endif
+
+/** @}
+ */
Index: uspace/lib/c/include/ipc/dev_iface.h
===================================================================
--- uspace/lib/c/include/ipc/dev_iface.h	(revision a3fcfbab8ada7658810ed4966e92d5dc1f3cfec7)
+++ uspace/lib/c/include/ipc/dev_iface.h	(revision 730dce77253b6e2ff27c35fa1c5ddc07e8cfe838)
@@ -51,4 +51,6 @@
 	/** Interface provided by USB HID devices. */
 	USBHID_DEV_IFACE,
+	/** Interface provided by AHCI devices. */
+	AHCI_DEV_IFACE,
 
 	DEV_IFACE_MAX