LXR linux/drivers/s390/net/ctcm

   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
  44enum 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
  54struct 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
  63extern struct ctcm_dbf_info ctcm_dbf[CTCM_DBF_INFOS];
  64
  65int ctcm_register_dbf_views(void);
  66void ctcm_unregister_dbf_views(void);
  67void ctcm_dbf_longtext(enum ctcm_dbf_names dbf_nix, int level, char *text, ...);
  68
  69static 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
 142