drivers/s390/net/ctcm_dbug.h

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