1/* $NetBSD: scsipi_debug.h,v 1.17 2008/04/28 20:23:58 martin Exp $ */
2
3/*-
4 * Copyright (c) 1999 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
9 * NASA Ames Research Center.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 */
32
33#if defined(_KERNEL_OPT)
34#include "opt_scsipi_debug.h"
35#endif
36
37/*
38 * Originally written by Julian Elischer (julian@tfs.com)
39 */
40
41#define SCSIPI_DB1 0x0001 /* scsi commands, errors, data */
42#define SCSIPI_DB2 0x0002 /* routine flow tracking */
43#define SCSIPI_DB3 0x0004 /* internal to routine flows */
44#define SCSIPI_DB4 0x0008 /* level 4 debugging for this dev */
45
46/*
47 * The following options allow us to build a kernel with debugging on
48 * by default for a certain type of device. We can always enable
49 * debugging on a specific device using an ioctl.
50 */
51#ifndef SCSIPI_DEBUG_TYPE
52#define SCSIPI_DEBUG_TYPE SCSIPI_BUSTYPE_ATAPI
53#endif
54
55#ifndef SCSIPI_DEBUG_TARGET
56#define SCSIPI_DEBUG_TARGET -1 /* disabled */
57#endif
58
59#ifndef SCSIPI_DEBUG_LUN
60#define SCSIPI_DEBUG_LUN 0
61#endif
62
63/*
64 * Default debugging flags for above.
65 */
66#ifndef SCSIPI_DEBUG_FLAGS
67#define SCSIPI_DEBUG_FLAGS (SCSIPI_DB1|SCSIPI_DB2|SCSIPI_DB3)
68#endif
69
70#ifdef SCSIPI_DEBUG
71#define SC_DEBUG(periph, flags, x) \
72do { \
73 if ((periph)->periph_dbflags & (flags)) { \
74 scsipi_printaddr((periph)); \
75 printf x ; \
76 } \
77} while (0)
78
79#define SC_DEBUGN(periph, flags, x) \
80do { \
81 if ((periph)->periph_dbflags & (flags)) \
82 printf x ; \
83} while (0)
84#else
85#define SC_DEBUG(periph, flags, x) /* nothing */
86#define SC_DEBUGN(periph, flags, x) /* nothing */
87#endif
88