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 version 2
   9  *  as published by the Free Software Foundation.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to:
  18  *  Free Software Foundation
  19  *  51 Franklin Street, Fifth Floor
  20  *  Boston, MA  02111-1301  USA
  21  *
  22  */
  23
  24 #define DEBUG_ERROR             (1<<0)
  25 #define DEBUG_CURRENT           (1<<1)
  26 #define DEBUG_9P                (1<<2)
  27 #define DEBUG_VFS               (1<<3)
  28 #define DEBUG_CONV              (1<<4)
  29 #define DEBUG_MUX               (1<<5)
  30 #define DEBUG_TRANS             (1<<6)
  31 #define DEBUG_SLABS             (1<<7)
  32 #define DEBUG_FCALL             (1<<8)
  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, n;
  55         char buf[5*8];
  56
  57         n = 0;
  58         i = 0;
  59         while (i < datalen) {
  60                 n += snprintf(buf+n, sizeof(buf)-n, "%02x", data[i++]);
  61                 if (i%4 == 0)
  62                         n += snprintf(buf+n, sizeof(buf)-n, " ");
  63
  64                 if (i%16 == 0) {
  65                         dprintk(DEBUG_ERROR, "%s\n", buf);
  66                         n = 0;
  67                 }
  68         }
  69
  70         dprintk(DEBUG_ERROR, "%s\n", buf);
  71 }
  72 #else                           /* DEBUG_DUMP_PKT */
  73 static inline void dump_data(const unsigned char *data, unsigned int datalen)
  74 {
  75
  76 }
  77 #endif                          /* DEBUG_DUMP_PKT */