Index: uspace/lib/usb/device.h
===================================================================
--- uspace/lib/usb/device.h	(revision 6c1315b6359d200b79fc0425d4a1bcbd0892f1f2)
+++ uspace/lib/usb/device.h	(revision 6c1315b6359d200b79fc0425d4a1bcbd0892f1f2)
@@ -0,0 +1,83 @@
+/*
+ * 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.
+ */
+
+/** @addtogroup libusb usb
+ * @{
+ */
+/** @file
+ * @brief USB device related types.
+ */
+#ifndef LIBUSB_DEVICE_H_
+#define LIBUSB_DEVICE_H_
+
+#include <ipc/ipc.h>
+#include <async.h>
+
+/** Standard USB device descriptor.
+ */
+typedef struct {
+	/** Size of this descriptor in bytes. */
+	uint8_t length;
+	/** Device descriptor type. */
+	uint8_t descriptor_type;
+	/** USB specification release number.
+	 * The number shall be coded as binary-coded decimal (BCD).
+	 */
+	uint16_t usb_spec_version;
+	/** Device class. */
+	uint8_t device_class;
+	/** Device sub-class. */
+	uint8_t device_subclass;
+	/** Device protocol. */
+	uint8_t device_protocol;
+	/** Maximum packet size for endpoint zero.
+	 * Valid values are only 8, 16, 32, 64).
+	 */
+	uint8_t max_packet_size;
+	/** Vendor ID. */
+	uint16_t vendor_id;
+	/** Product ID. */
+	uint16_t product_id;
+	/** Device release number (in BCD). */
+	uint16_t device_version;
+	/** Manufacturer descriptor index. */
+	uint8_t manufacturer;
+	/** Product descriptor index. */
+	uint8_t product;
+	/** Device serial number desriptor index. */
+	uint8_t serial_number;
+	/** Number of possible configurations. */
+	uint8_t configuration_count;
+} __attribute__ ((packed)) usb_standard_device_descriptor_t;
+
+
+
+#endif
+/**
+ * @}
+ */
Index: uspace/lib/usb/devreq.h
===================================================================
--- uspace/lib/usb/devreq.h	(revision b8100da862d7faddeef79335833e685b1bc3b497)
+++ uspace/lib/usb/devreq.h	(revision 6c1315b6359d200b79fc0425d4a1bcbd0892f1f2)
@@ -51,8 +51,16 @@
 	USB_DEVREQ_GET_INTERFACE = 10,
 	USB_DEVREQ_SET_INTERFACE = 11,
-	USB_DEVREQ_SYNCH_FRAME = 12
+	USB_DEVREQ_SYNCH_FRAME = 12,
+	USB_DEVREQ_LAST_STD
 } usb_stddevreq_t;
 
-
+/** Descriptor type. */
+typedef enum {
+	USB_DESCTYPE_DEVICE = 1,
+	USB_DESCTYPE_CONFIGURATION = 2,
+	USB_DESCTYPE_STRING = 3,
+	USB_DESCTYPE_INTERFACE = 4,
+	USB_DESCTYPE_ENDPOINT = 5
+} usb_descriptor_type_t;
 
 #endif