ctcm_dbug.h

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/*
 *  Copyright IBM Corp. 2001, 2007
 *  Authors:    Peter Tiedemann ([email protected])
 *
 */

#ifndef _CTCM_DBUG_H_
#define _CTCM_DBUG_H_

/*
 * Debug Facility stuff
 */

#include <asm/debug.h>

#ifdef DEBUG
 #define do_debug 1
#else
 #define do_debug 0
#endif
#ifdef DEBUGCCW
 #define do_debug_ccw 1
 #define DEBUGDATA 1
#else
 #define do_debug_ccw 0
#endif
#ifdef DEBUGDATA
 #define do_debug_data 1
#else
 #define do_debug_data 0
#endif

/* define dbf debug levels similar to kernel msg levels */
#define CTC_DBF_ALWAYS  0   /* always print this            */
#define CTC_DBF_EMERG   0   /* system is unusable           */
#define CTC_DBF_ALERT   1   /* action must be taken immediately */
#define CTC_DBF_CRIT    2   /* critical conditions          */
#define CTC_DBF_ERROR   3   /* error conditions         */
#define CTC_DBF_WARN    4   /* warning conditions           */
#define CTC_DBF_NOTICE  5   /* normal but significant condition */
#define CTC_DBF_INFO    5   /* informational            */
#define CTC_DBF_DEBUG   6   /* debug-level messages         */

enum ctcm_dbf_names {
    CTCM_DBF_SETUP,
    CTCM_DBF_ERROR,
    CTCM_DBF_TRACE,
    CTCM_DBF_MPC_SETUP,
    CTCM_DBF_MPC_ERROR,
    CTCM_DBF_MPC_TRACE,
    CTCM_DBF_INFOS  /* must be last element */
};

struct ctcm_dbf_info {
    char name[DEBUG_MAX_NAME_LEN];
    int pages;
    int areas;
    int len;
    int level;
    debug_info_t *id;
};

extern struct ctcm_dbf_info ctcm_dbf[CTCM_DBF_INFOS];

int ctcm_register_dbf_views(void);
void ctcm_unregister_dbf_views(void);
void ctcm_dbf_longtext(enum ctcm_dbf_names dbf_nix, int level, char *text, ...);

static inline const char *strtail(const char *s, int n)
{
    int l = strlen(s);
    return (l > n) ? s + (l - n) : s;
}

#define CTCM_FUNTAIL strtail((char *)__func__, 16)

#define CTCM_DBF_TEXT(name, level, text) \
    do { \
        debug_text_event(ctcm_dbf[CTCM_DBF_##name].id, level, text); \
    } while (0)

#define CTCM_DBF_HEX(name, level, addr, len) \
    do { \
        debug_event(ctcm_dbf[CTCM_DBF_##name].id, \
                    level, (void *)(addr), len); \
    } while (0)

#define CTCM_DBF_TEXT_(name, level, text...) \
    ctcm_dbf_longtext(CTCM_DBF_##name, level, text)

/*
 * cat : one of {setup, mpc_setup, trace, mpc_trace, error, mpc_error}.
 * dev : netdevice with valid name field.
 * text: any text string.
 */
#define CTCM_DBF_DEV_NAME(cat, dev, text) \
    do { \
        CTCM_DBF_TEXT_(cat, CTC_DBF_INFO, "%s(%s) :- %s", \
            CTCM_FUNTAIL, dev->name, text); \
    } while (0)

#define MPC_DBF_DEV_NAME(cat, dev, text) \
    do { \
        CTCM_DBF_TEXT_(MPC_##cat, CTC_DBF_INFO, "%s(%s) := %s", \
            CTCM_FUNTAIL, dev->name, text); \
    } while (0)

#define CTCMY_DBF_DEV_NAME(cat, dev, text) \
    do { \
        if (IS_MPCDEV(dev)) \
            MPC_DBF_DEV_NAME(cat, dev, text); \
        else \
            CTCM_DBF_DEV_NAME(cat, dev, text); \
    } while (0)

/*
 * cat : one of {setup, mpc_setup, trace, mpc_trace, error, mpc_error}.
 * dev : netdevice.
 * text: any text string.
 */
#define CTCM_DBF_DEV(cat, dev, text) \
    do { \
        CTCM_DBF_TEXT_(cat, CTC_DBF_INFO, "%s(%p) :-: %s", \
            CTCM_FUNTAIL, dev, text); \
    } while (0)

#define MPC_DBF_DEV(cat, dev, text) \
    do { \
        CTCM_DBF_TEXT_(MPC_##cat, CTC_DBF_INFO, "%s(%p) :=: %s", \
            CTCM_FUNTAIL, dev, text); \
    } while (0)

#define CTCMY_DBF_DEV(cat, dev, text) \
    do { \
        if (IS_MPCDEV(dev)) \
            MPC_DBF_DEV(cat, dev, text); \
        else \
            CTCM_DBF_DEV(cat, dev, text); \
    } while (0)

#endif