LXR linux/drivers/s390/net/ctcm

   1/* SPDX-License-Identifier: GPL-2.0 */
   2/*
   3 *      Copyright IBM Corp. 2001, 2007
   4 *      Authors:        Peter Tiedemann (ptiedem@de.ibm.com)
   5 *
   6 */
   7
   8#ifndef _CTCM_DBUG_H_
   9#define _CTCM_DBUG_H_
  10
  11/*
  12 * Debug Facility stuff
  13 */
  14
  15#include <asm/debug.h>
  16
  17#ifdef DEBUG
  18 #define do_debug 1
  19#else
  20 #define do_debug 0
  21#endif
  22#ifdef DEBUGCCW
  23 #define do_debug_ccw 1
  24 #define DEBUGDATA 1
  25#else
  26 #define do_debug_ccw 0
  27#endif
  28#ifdef DEBUGDATA
  29 #define do_debug_data 1
  30#else
  31 #define do_debug_data 0
  32#endif
  33
  34/* define dbf debug levels similar to kernel msg levels */
  35#define CTC_DBF_ALWAYS  0       /* always print this                    */
  36#define CTC_DBF_EMERG   0       /* system is unusable                   */
  37#define CTC_DBF_ALERT   1       /* action must be taken immediately     */
  38#define CTC_DBF_CRIT    2       /* critical conditions                  */
  39#define CTC_DBF_ERROR   3       /* error conditions                     */
  40#define CTC_DBF_WARN    4       /* warning conditions                   */
  41#define CTC_DBF_NOTICE  5       /* normal but significant condition     */
  42#define CTC_DBF_INFO    5       /* informational                        */
  43#define CTC_DBF_DEBUG   6       /* debug-level messages                 */
  44
  45enum ctcm_dbf_names {
  46        CTCM_DBF_SETUP,
  47        CTCM_DBF_ERROR,
  48        CTCM_DBF_TRACE,
  49        CTCM_DBF_MPC_SETUP,
  50        CTCM_DBF_MPC_ERROR,
  51        CTCM_DBF_MPC_TRACE,
  52        CTCM_DBF_INFOS  /* must be last element */
  53};
  54
  55struct ctcm_dbf_info {
  56        char name[DEBUG_MAX_NAME_LEN];
  57        int pages;
  58        int areas;
  59        int len;
  60        int level;
  61        debug_info_t *id;
  62};
  63
  64extern struct ctcm_dbf_info ctcm_dbf[CTCM_DBF_INFOS];
  65
  66int ctcm_register_dbf_views(void);
  67void ctcm_unregister_dbf_views(void);
  68void ctcm_dbf_longtext(enum ctcm_dbf_names dbf_nix, int level, char *text, ...);
  69
  70static inline const char *strtail(const char *s, int n)
  71{
  72        int l = strlen(s);
  73        return (l > n) ? s + (l - n) : s;
  74}
  75
  76#define CTCM_FUNTAIL strtail((char *)__func__, 16)
  77
  78#define CTCM_DBF_TEXT(name, level, text) \
  79        do { \
  80                debug_text_event(ctcm_dbf[CTCM_DBF_##name].id, level, text); \
  81        } while (0)
  82
  83#define CTCM_DBF_HEX(name, level, addr, len) \
  84        do { \
  85                debug_event(ctcm_dbf[CTCM_DBF_##name].id, \
  86                                        level, (void *)(addr), len); \
  87        } while (0)
  88
  89#define CTCM_DBF_TEXT_(name, level, text...) \
  90        ctcm_dbf_longtext(CTCM_DBF_##name, level, text)
  91
  92/*
  93 * cat : one of {setup, mpc_setup, trace, mpc_trace, error, mpc_error}.
  94 * dev : netdevice with valid name field.
  95 * text: any text string.
  96 */
  97#define CTCM_DBF_DEV_NAME(cat, dev, text) \
  98        do { \
  99                CTCM_DBF_TEXT_(cat, CTC_DBF_INFO, "%s(%s) :- %s", \
 100                        CTCM_FUNTAIL, dev->name, text); \
 101        } while (0)
 102
 103#define MPC_DBF_DEV_NAME(cat, dev, text) \
 104        do { \
 105                CTCM_DBF_TEXT_(MPC_##cat, CTC_DBF_INFO, "%s(%s) := %s", \
 106                        CTCM_FUNTAIL, dev->name, text); \
 107        } while (0)
 108
 109#define CTCMY_DBF_DEV_NAME(cat, dev, text) \
 110        do { \
 111                if (IS_MPCDEV(dev)) \
 112                        MPC_DBF_DEV_NAME(cat, dev, text); \
 113                else \
 114                        CTCM_DBF_DEV_NAME(cat, dev, text); \
 115        } while (0)
 116
 117/*
 118 * cat : one of {setup, mpc_setup, trace, mpc_trace, error, mpc_error}.
 119 * dev : netdevice.
 120 * text: any text string.
 121 */
 122#define CTCM_DBF_DEV(cat, dev, text) \
 123        do { \
 124                CTCM_DBF_TEXT_(cat, CTC_DBF_INFO, "%s(%p) :-: %s", \
 125                        CTCM_FUNTAIL, dev, text); \
 126        } while (0)
 127
 128#define MPC_DBF_DEV(cat, dev, text) \
 129        do { \
 130                CTCM_DBF_TEXT_(MPC_##cat, CTC_DBF_INFO, "%s(%p) :=: %s", \
 131                        CTCM_FUNTAIL, dev, text); \
 132        } while (0)
 133
 134#define CTCMY_DBF_DEV(cat, dev, text) \
 135        do { \
 136                if (IS_MPCDEV(dev)) \
 137                        MPC_DBF_DEV(cat, dev, text); \
 138                else \
 139                        CTCM_DBF_DEV(cat, dev, text); \
 140        } while (0)
 141
 142#endif
 143