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scsipi_debug.h revision 1.14.30.1 
      1 /*	$NetBSD: scsipi_debug.h,v 1.14.30.1 2005/04/29 11:29:17 kent 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 (at) 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
     95