1 /* $FreeBSD: releng/8.3/sys/dev/usb/usb_debug.h 207399 2010-04-29 22:44:04Z thompsa $ */
2 /*-
3 * Copyright (c) 2008 Hans Petter Selasky. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27 /* This file contains various factored out debug macros. */
28
29 #ifndef _USB_DEBUG_H_
30 #define _USB_DEBUG_H_
31
32 /* Declare global USB debug variable. */
33 extern int usb_debug;
34
35 /* Check if USB debugging is enabled. */
36 #ifdef USB_DEBUG_VAR
37 #ifdef USB_DEBUG
38 #define DPRINTFN(n,fmt,...) do { \
39 if ((USB_DEBUG_VAR) >= (n)) { \
40 printf("%s: " fmt, \
41 __FUNCTION__,## __VA_ARGS__); \
42 } \
43 } while (0)
44 #define DPRINTF(...) DPRINTFN(1, __VA_ARGS__)
45 #else
46 #define DPRINTF(...) do { } while (0)
47 #define DPRINTFN(...) do { } while (0)
48 #endif
49 #endif
50
51 struct usb_interface;
52 struct usb_device;
53 struct usb_endpoint;
54 struct usb_xfer;
55
56 void usb_dump_iface(struct usb_interface *iface);
57 void usb_dump_device(struct usb_device *udev);
58 void usb_dump_queue(struct usb_endpoint *ep);
59 void usb_dump_endpoint(struct usb_endpoint *ep);
60 void usb_dump_xfer(struct usb_xfer *xfer);
61
62 #endif /* _USB_DEBUG_H_ */
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