The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/dev/scsipi/scsipi_debug.h

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    1 /*      $NetBSD: scsipi_debug.h,v 1.14 2001/05/30 11:46:34 mrg 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@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

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