NetBSD/sys/dev/scsipi/scsipi_debug.h

88 lines
2.9 KiB
C

/* $NetBSD: scsipi_debug.h,v 1.17 2008/04/28 20:23:58 martin Exp $ */
/*-
* Copyright (c) 1999 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
* NASA Ames Research Center.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#if defined(_KERNEL_OPT)
#include "opt_scsipi_debug.h"
#endif
/*
* Originally written by Julian Elischer (julian@tfs.com)
*/
#define SCSIPI_DB1 0x0001 /* scsi commands, errors, data */
#define SCSIPI_DB2 0x0002 /* routine flow tracking */
#define SCSIPI_DB3 0x0004 /* internal to routine flows */
#define SCSIPI_DB4 0x0008 /* level 4 debugging for this dev */
/*
* The following options allow us to build a kernel with debugging on
* by default for a certain type of device. We can always enable
* debugging on a specific device using an ioctl.
*/
#ifndef SCSIPI_DEBUG_TYPE
#define SCSIPI_DEBUG_TYPE SCSIPI_BUSTYPE_ATAPI
#endif
#ifndef SCSIPI_DEBUG_TARGET
#define SCSIPI_DEBUG_TARGET -1 /* disabled */
#endif
#ifndef SCSIPI_DEBUG_LUN
#define SCSIPI_DEBUG_LUN 0
#endif
/*
* Default debugging flags for above.
*/
#ifndef SCSIPI_DEBUG_FLAGS
#define SCSIPI_DEBUG_FLAGS (SCSIPI_DB1|SCSIPI_DB2|SCSIPI_DB3)
#endif
#ifdef SCSIPI_DEBUG
#define SC_DEBUG(periph, flags, x) \
do { \
if ((periph)->periph_dbflags & (flags)) { \
scsipi_printaddr((periph)); \
printf x ; \
} \
} while (0)
#define SC_DEBUGN(periph, flags, x) \
do { \
if ((periph)->periph_dbflags & (flags)) \
printf x ; \
} while (0)
#else
#define SC_DEBUG(periph, flags, x) /* nothing */
#define SC_DEBUGN(periph, flags, x) /* nothing */
#endif