drivers/infiniband/hw/ipath/verbs_debug.h

   1 /*
   2  * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
   3  *
   4  * This software is available to you under a choice of one of two
   5  * licenses.  You may choose to be licensed under the terms of the GNU
   6  * General Public License (GPL) Version 2, available from the file
   7  * COPYING in the main directory of this source tree, or the
   8  * OpenIB.org BSD license below:
   9  *
  10  *     Redistribution and use in source and binary forms, with or
  11  *     without modification, are permitted provided that the following
  12  *     conditions are met:
  13  *
  14  *      - Redistributions of source code must retain the above
  15  *        copyright notice, this list of conditions and the following
  16  *        disclaimer.
  17  *
  18  *      - Redistributions in binary form must reproduce the above
  19  *        copyright notice, this list of conditions and the following
  20  *        disclaimer in the documentation and/or other materials
  21  *        provided with the distribution.
  22  *
  23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  30  * SOFTWARE.
  31  */
  32
  33 #ifndef _VERBS_DEBUG_H
  34 #define _VERBS_DEBUG_H
  35
  36 /*
  37  * This file contains tracing code for the ib_ipath kernel module.
  38  */
  39 #ifndef _VERBS_DEBUGGING        /* tracing enabled or not */
  40 #define _VERBS_DEBUGGING 1
  41 #endif
  42
  43 extern unsigned ib_ipath_debug;
  44
  45 #define _VERBS_ERROR(fmt,...) \
  46         do { \
  47                 printk(KERN_ERR "%s: " fmt, "ib_ipath", ##__VA_ARGS__); \
  48         } while(0)
  49
  50 #define _VERBS_UNIT_ERROR(unit,fmt,...) \
  51         do { \
  52                 printk(KERN_ERR "%s: " fmt, "ib_ipath", ##__VA_ARGS__); \
  53         } while(0)
  54
  55 #if _VERBS_DEBUGGING
  56
  57 /*
  58  * Mask values for debugging.  The scheme allows us to compile out any
  59  * of the debug tracing stuff, and if compiled in, to enable or
  60  * disable dynamically.
  61  * This can be set at modprobe time also:
  62  *      modprobe ib_path ib_ipath_debug=3
  63  */
  64
  65 #define __VERBS_INFO        0x1 /* generic low verbosity stuff */
  66 #define __VERBS_DBG         0x2 /* generic debug */
  67 #define __VERBS_VDBG        0x4 /* verbose debug */
  68 #define __VERBS_SMADBG      0x8000      /* sma packet debug */
  69
  70 #define _VERBS_INFO(fmt,...) \
  71         do { \
  72                 if (unlikely(ib_ipath_debug&__VERBS_INFO)) \
  73                         printk(KERN_INFO "%s: " fmt,"ib_ipath", \
  74                                ##__VA_ARGS__); \
  75         } while(0)
  76
  77 #define _VERBS_DBG(fmt,...) \
  78         do { \
  79                 if (unlikely(ib_ipath_debug&__VERBS_DBG)) \
  80                         printk(KERN_DEBUG "%s: " fmt, __func__, \
  81                                ##__VA_ARGS__); \
  82         } while(0)
  83
  84 #define _VERBS_VDBG(fmt,...) \
  85         do { \
  86                 if (unlikely(ib_ipath_debug&__VERBS_VDBG)) \
  87                         printk(KERN_DEBUG "%s: " fmt, __func__, \
  88                                ##__VA_ARGS__); \
  89         } while(0)
  90
  91 #define _VERBS_SMADBG(fmt,...) \
  92         do { \
  93                 if (unlikely(ib_ipath_debug&__VERBS_SMADBG)) \
  94                         printk(KERN_DEBUG "%s: " fmt, __func__, \
  95                                ##__VA_ARGS__); \
  96         } while(0)
  97
  98 #else /* ! _VERBS_DEBUGGING */
  99
 100 #define _VERBS_INFO(fmt,...)
 101 #define _VERBS_DBG(fmt,...)
 102 #define _VERBS_VDBG(fmt,...)
 103 #define _VERBS_SMADBG(fmt,...)
 104
 105 #endif /* _VERBS_DEBUGGING */
 106
 107 #endif /* _VERBS_DEBUG_H */