scsipi_debug.h

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    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

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

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sys/dev/scsipi/scsipi_debug.h