1 /* $NetBSD: scsipi_debug.h,v 1.14 2001/05/30 11:46:34 mrg 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 * 3. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgement:
21 * This product includes software developed by the NetBSD
22 * Foundation, Inc. and its contributors.
23 * 4. Neither the name of The NetBSD Foundation nor the names of its
24 * contributors may be used to endorse or promote products derived
25 * from this software without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 * POSSIBILITY OF SUCH DAMAGE.
38 */
39
40 #if defined(_KERNEL_OPT)
41 #include "opt_scsipi_debug.h"
42 #endif
43
44 /*
45 * Originally written by Julian Elischer (julian@tfs.com)
46 */
47
48 #define SCSIPI_DB1 0x0001 /* scsi commands, errors, data */
49 #define SCSIPI_DB2 0x0002 /* routine flow tracking */
50 #define SCSIPI_DB3 0x0004 /* internal to routine flows */
51 #define SCSIPI_DB4 0x0008 /* level 4 debugging for this dev */
52
53 /*
54 * The following options allow us to build a kernel with debugging on
55 * by default for a certain type of device. We can always enable
56 * debugging on a specific device using an ioctl.
57 */
58 #ifndef SCSIPI_DEBUG_TYPE
59 #define SCSIPI_DEBUG_TYPE SCSIPI_BUSTYPE_ATAPI
60 #endif
61
62 #ifndef SCSIPI_DEBUG_TARGET
63 #define SCSIPI_DEBUG_TARGET -1 /* disabled */
64 #endif
65
66 #ifndef SCSIPI_DEBUG_LUN
67 #define SCSIPI_DEBUG_LUN 0
68 #endif
69
70 /*
71 * Default debugging flags for above.
72 */
73 #ifndef SCSIPI_DEBUG_FLAGS
74 #define SCSIPI_DEBUG_FLAGS (SCSIPI_DB1|SCSIPI_DB2|SCSIPI_DB3)
75 #endif
76
77 #ifdef SCSIPI_DEBUG
78 #define SC_DEBUG(periph, flags, x) \
79 do { \
80 if ((periph)->periph_dbflags & (flags)) { \
81 scsipi_printaddr((periph)); \
82 printf x ; \
83 } \
84 } while (0)
85
86 #define SC_DEBUGN(periph, flags, x) \
87 do { \
88 if ((periph)->periph_dbflags & (flags)) \
89 printf x ; \
90 } while (0)
91 #else
92 #define SC_DEBUG(periph, flags, x) /* nothing */
93 #define SC_DEBUGN(periph, flags, x) /* nothing */
94 #endif
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