drivers/s390/net/ctcm_dbug.h

   1 /*
   2  *      drivers/s390/net/ctcm_dbug.h
   3  *
   4  *      Copyright IBM Corp. 2001, 2007
   5  *      Authors:        Peter Tiedemann (ptiedem@de.ibm.com)
   6  *
   7  */
   8
   9 #ifndef _CTCM_DBUG_H_
  10 #define _CTCM_DBUG_H_
  11
  12 /*
  13  * Debug Facility stuff
  14  */
  15
  16 #include <asm/debug.h>
  17
  18 #ifdef DEBUG
  19  #define do_debug 1
  20 #else
  21  #define do_debug 0
  22 #endif
  23 #ifdef DEBUGCCW
  24  #define do_debug_ccw 1
  25  #define DEBUGDATA 1
  26 #else
  27  #define do_debug_ccw 0
  28 #endif
  29 #ifdef DEBUGDATA
  30  #define do_debug_data 1
  31 #else
  32  #define do_debug_data 0
  33 #endif
  34
  35 /* define dbf debug levels similar to kernel msg levels */
  36 #define CTC_DBF_ALWAYS  0       /* always print this                    */
  37 #define CTC_DBF_EMERG   0       /* system is unusable                   */
  38 #define CTC_DBF_ALERT   1       /* action must be taken immediately     */
  39 #define CTC_DBF_CRIT    2       /* critical conditions                  */
  40 #define CTC_DBF_ERROR   3       /* error conditions                     */
  41 #define CTC_DBF_WARN    4       /* warning conditions                   */
  42 #define CTC_DBF_NOTICE  5       /* normal but significant condition     */
  43 #define CTC_DBF_INFO    5       /* informational                        */
  44 #define CTC_DBF_DEBUG   6       /* debug-level messages                 */
  45
  46 enum ctcm_dbf_names {
  47         CTCM_DBF_SETUP,
  48         CTCM_DBF_ERROR,
  49         CTCM_DBF_TRACE,
  50         CTCM_DBF_MPC_SETUP,
  51         CTCM_DBF_MPC_ERROR,
  52         CTCM_DBF_MPC_TRACE,
  53         CTCM_DBF_INFOS  /* must be last element */
  54 };
  55
  56 struct ctcm_dbf_info {
  57         char name[DEBUG_MAX_NAME_LEN];
  58         int pages;
  59         int areas;
  60         int len;
  61         int level;
  62         debug_info_t *id;
  63 };
  64
  65 extern struct ctcm_dbf_info ctcm_dbf[CTCM_DBF_INFOS];
  66
  67 int ctcm_register_dbf_views(void);
  68 void ctcm_unregister_dbf_views(void);
  69 void ctcm_dbf_longtext(enum ctcm_dbf_names dbf_nix, int level, char *text, ...);
  70
  71 static inline const char *strtail(const char *s, int n)
  72 {
  73         int l = strlen(s);
  74         return (l > n) ? s + (l - n) : s;
  75 }
  76
  77 #define CTCM_FUNTAIL strtail((char *)__func__, 16)
  78
  79 #define CTCM_DBF_TEXT(name, level, text) \
  80         do { \
  81                 debug_text_event(ctcm_dbf[CTCM_DBF_##name].id, level, text); \
  82         } while (0)
  83
  84 #define CTCM_DBF_HEX(name, level, addr, len) \
  85         do { \
  86                 debug_event(ctcm_dbf[CTCM_DBF_##name].id, \
  87                                         level, (void *)(addr), len); \
  88         } while (0)
  89
  90 #define CTCM_DBF_TEXT_(name, level, text...) \
  91         ctcm_dbf_longtext(CTCM_DBF_##name, level, text)
  92
  93 /*
  94  * cat : one of {setup, mpc_setup, trace, mpc_trace, error, mpc_error}.
  95  * dev : netdevice with valid name field.
  96  * text: any text string.
  97  */
  98 #define CTCM_DBF_DEV_NAME(cat, dev, text) \
  99         do { \
 100                 CTCM_DBF_TEXT_(cat, CTC_DBF_INFO, "%s(%s) :- %s", \
 101                         CTCM_FUNTAIL, dev->name, text); \
 102         } while (0)
 103
 104 #define MPC_DBF_DEV_NAME(cat, dev, text) \
 105         do { \
 106                 CTCM_DBF_TEXT_(MPC_##cat, CTC_DBF_INFO, "%s(%s) := %s", \
 107                         CTCM_FUNTAIL, dev->name, text); \
 108         } while (0)
 109
 110 #define CTCMY_DBF_DEV_NAME(cat, dev, text) \
 111         do { \
 112                 if (IS_MPCDEV(dev)) \
 113                         MPC_DBF_DEV_NAME(cat, dev, text); \
 114                 else \
 115                         CTCM_DBF_DEV_NAME(cat, dev, text); \
 116         } while (0)
 117
 118 /*
 119  * cat : one of {setup, mpc_setup, trace, mpc_trace, error, mpc_error}.
 120  * dev : netdevice.
 121  * text: any text string.
 122  */
 123 #define CTCM_DBF_DEV(cat, dev, text) \
 124         do { \
 125                 CTCM_DBF_TEXT_(cat, CTC_DBF_INFO, "%s(%p) :-: %s", \
 126                         CTCM_FUNTAIL, dev, text); \
 127         } while (0)
 128
 129 #define MPC_DBF_DEV(cat, dev, text) \
 130         do { \
 131                 CTCM_DBF_TEXT_(MPC_##cat, CTC_DBF_INFO, "%s(%p) :=: %s", \
 132                         CTCM_FUNTAIL, dev, text); \
 133         } while (0)
 134
 135 #define CTCMY_DBF_DEV(cat, dev, text) \
 136         do { \
 137                 if (IS_MPCDEV(dev)) \
 138                         MPC_DBF_DEV(cat, dev, text); \
 139                 else \
 140                         CTCM_DBF_DEV(cat, dev, text); \
 141         } while (0)
 142
 143 #endif