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ctcm: infrastructure for replaced ctc driver

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ctcm driver supports the channel-to-channel connections of the
old ctc driver plus an additional MPC protocol to provide SNA
connectivity.

This new ctcm driver replaces the existing ctc driver.

Signed-off-by: Peter Tiedemann <ptiedem@de.ibm.com>
Signed-off-by: Ursula Braun <braunu@de.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Peter Tiedemann
2008-02-08 00:03:49 +01:00
committed by Jeff Garzik
parent f423f73506
commit 293d984f0e
11 changed files with 7920 additions and 8 deletions
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158
drivers/s390/net/ctcm_dbug.h Normal file
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/*
* drivers/s390/net/ctcm_dbug.h
*
* Copyright IBM Corp. 2001, 2007
* Authors: Peter Tiedemann (ptiedem@de.ibm.com)
*
*/
#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 DEBUGDATA
#define do_debug_data 1
#else
#define do_debug_data 0
#endif
#ifdef DEBUGCCW
#define do_debug_ccw 1
#else
#define do_debug_ccw 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 */
DECLARE_PER_CPU(char[256], ctcm_dbf_txt_buf);
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);
static inline const char *strtail(const char *s, int n)
{
int l = strlen(s);
return (l > n) ? s + (l - n) : s;
}
/* sort out levels early to avoid unnecessary sprintfs */
static inline int ctcm_dbf_passes(debug_info_t *dbf_grp, int level)
{
return (dbf_grp->level >= level);
}
#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...) \
do { \
if (ctcm_dbf_passes(ctcm_dbf[CTCM_DBF_##name].id, level)) { \
char *ctcm_dbf_txt_buf = \
get_cpu_var(ctcm_dbf_txt_buf); \
sprintf(ctcm_dbf_txt_buf, text); \
debug_text_event(ctcm_dbf[CTCM_DBF_##name].id, \
level, ctcm_dbf_txt_buf); \
put_cpu_var(ctcm_dbf_txt_buf); \
} \
} while (0)
/*
* 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