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