xref: /netbsd-src/sys/dev/usb/usbhist.h (revision d909946ca08dceb44d7d0f22ec9488679695d976)
1 /*	$NetBSD: usbhist.h,v 1.4 2016/04/23 10:15:32 skrll Exp $	*/
2 
3 /*
4  * Copyright (c) 2012 Matthew R. Green
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. The name of the author may not be used to endorse or promote products
16  *    derived from this software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
23  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
24  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
25  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
26  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28  * SUCH DAMAGE.
29  */
30 
31 #ifndef _DEV_USB_USBHIST_H_
32 #define _DEV_USB_USBHIST_H_
33 
34 #if defined(_KERNEL_OPT)
35 #include "opt_usb.h"
36 #endif
37 
38 /*
39  * Make USBHIST_PRINT force on KERNHIST_PRINT for at least USBHIST_* usage.
40  */
41 #if defined(USBHIST_PRINT) && !defined(KERNHIST_PRINT)
42 #define KERNHIST_PRINT 1
43 #endif
44 
45 #include <sys/kernhist.h>
46 
47 #ifdef USB_DEBUG
48 
49 extern int usbdebug;
50 
51 #define USBHIST_DECL(NAME)		KERNHIST_DECL(NAME)
52 #define USBHIST_DEFINE(NAME)		KERNHIST_DEFINE(NAME)
53 #define USBHIST_INIT(NAME,N)		KERNHIST_INIT(NAME,N)
54 #define USBHIST_INIT_STATIC(NAME,BUF)	KERNHIST_INIT_STATIC(NAME,BUF)
55 #define USBHIST_LINK_STATIC(NAME)	KERNHIST_LINK_STATIC(NAME)
56 #define USBHIST_LOGN(NAME,N,FMT,A,B,C,D)	do {		\
57 	if ((NAME) >= (N)) {					\
58 		KERNHIST_LOG(usbhist,FMT,A,B,C,D);		\
59 	}							\
60 } while (0)
61 #define USBHIST_LOGM(NAME,N,FMT,A,B,C,D)	do {		\
62 	if ((NAME) & (N)) {					\
63 		KERNHIST_LOG(usbhist,FMT,A,B,C,D);		\
64 	}							\
65 } while (0)
66 #define USBHIST_LOG(NAME,FMT,A,B,C,D)	USBHIST_LOGN(NAME,1,FMT,A,B,C,D)
67 #define USBHIST_CALLED(NAME)			do {		\
68 	if ((NAME) != 0) {					\
69 		KERNHIST_CALLED(usbhist);			\
70 	}							\
71 } while (0)
72 #define USBHIST_FUNC()			KERNHIST_FUNC(__func__)
73 
74 USBHIST_DECL(usbhist);
75 
76 #else
77 
78 #define USBHIST_DECL(NAME)
79 #define USBHIST_DEFINE(NAME)
80 #define USBHIST_INIT(NAME,N)
81 #define USBHIST_INIT_STATIC(NAME,BUF)
82 #define USBHIST_LINK_STATIC(NAME)
83 #define USBHIST_LOGN(N,NAME,FMT,A,B,C,D)	do { } while(0)
84 #define USBHIST_LOGM(N,NAME,FMT,A,B,C,D)	do { } while(0)
85 #define USBHIST_LOG(NAME,FMT,A,B,C,D)		do { } while(0)
86 #define USBHIST_CALLED(NAME)
87 #define USBHIST_FUNC()
88 
89 #endif
90 
91 #endif /* _DEV_USBUSB_HIST_H_ */
92