| 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 | |