fs/9p/debug.h

   1 /*
   2  *  linux/fs/9p/debug.h - V9FS Debug Definitions
   3  *
   4  *  Copyright (C) 2004 by Eric Van Hensbergen <ericvh@gmail.com>
   5  *  Copyright (C) 2002 by Ron Minnich <rminnich@lanl.gov>
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License as published by
   9  *  the Free Software Foundation; either version 2 of the License, or
  10  *  (at your option) any later version.
  11  *
  12  *  This program is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *  GNU General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU General Public License
  18  *  along with this program; if not, write to:
  19  *  Free Software Foundation
  20  *  51 Franklin Street, Fifth Floor
  21  *  Boston, MA  02111-1301  USA
  22  *
  23  */
  24
  25 #define DEBUG_ERROR             (1<<0)
  26 #define DEBUG_CURRENT           (1<<1)
  27 #define DEBUG_9P                (1<<2)
  28 #define DEBUG_VFS               (1<<3)
  29 #define DEBUG_CONV              (1<<4)
  30 #define DEBUG_MUX               (1<<5)
  31 #define DEBUG_TRANS             (1<<6)
  32 #define DEBUG_SLABS             (1<<7)
  33
  34 #define DEBUG_DUMP_PKT          0
  35
  36 extern int v9fs_debug_level;
  37
  38 #define dprintk(level, format, arg...) \
  39 do {  \
  40         if((v9fs_debug_level & level)==level) \
  41                 printk(KERN_NOTICE "-- %s (%d): " \
  42                 format , __FUNCTION__, current->pid , ## arg); \
  43 } while(0)
  44
  45 #define eprintk(level, format, arg...) \
  46 do { \
  47         printk(level "v9fs: %s (%d): " \
  48                 format , __FUNCTION__, current->pid , ## arg); \
  49 } while(0)
  50
  51 #if DEBUG_DUMP_PKT
  52 static inline void dump_data(const unsigned char *data, unsigned int datalen)
  53 {
  54         int i, j;
  55         int len = datalen;
  56
  57         printk(KERN_DEBUG "data ");
  58         for (i = 0; i < len; i += 4) {
  59                 for (j = 0; (j < 4) && (i + j < len); j++)
  60                         printk(KERN_DEBUG "%02x", data[i + j]);
  61                 printk(KERN_DEBUG " ");
  62         }
  63         printk(KERN_DEBUG "\n");
  64 }
  65 #else                           /* DEBUG_DUMP_PKT */
  66 static inline void dump_data(const unsigned char *data, unsigned int datalen)
  67 {
  68
  69 }
  70 #endif                          /* DEBUG_DUMP_PKT */