/*      $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