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) \ |
72 | do { \ |
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) \ |
80 | do { \ |
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 | |