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#include <linux/stddef.h>
   8#include <linux/string.h>
   9#include <linux/kernel.h>
  10#include <linux/errno.h>
  11#include <linux/ctype.h>
  12#include <linux/sysctl.h>
  13#include <linux/module.h>
  14#include <linux/init.h>
  15#include <linux/fs.h>
  16#include <linux/debugfs.h>
  17#include "ctcm_dbug.h"
  18
  19/*
  20 * Debug Facility Stuff
  21 */
  22
  23struct ctcm_dbf_info ctcm_dbf[CTCM_DBF_INFOS] = {
  24        [CTCM_DBF_SETUP]     = {"ctc_setup", 8, 1, 64, CTC_DBF_INFO, NULL},
  25        [CTCM_DBF_ERROR]     = {"ctc_error", 8, 1, 64, CTC_DBF_ERROR, NULL},
  26        [CTCM_DBF_TRACE]     = {"ctc_trace", 8, 1, 64, CTC_DBF_ERROR, NULL},
  27        [CTCM_DBF_MPC_SETUP] = {"mpc_setup", 8, 1, 80, CTC_DBF_INFO, NULL},
  28        [CTCM_DBF_MPC_ERROR] = {"mpc_error", 8, 1, 80, CTC_DBF_ERROR, NULL},
  29        [CTCM_DBF_MPC_TRACE] = {"mpc_trace", 8, 1, 80, CTC_DBF_ERROR, NULL},
  30};
  31
  32void ctcm_unregister_dbf_views(void)
  33{
  34        int x;
  35        for (x = 0; x < CTCM_DBF_INFOS; x++) {
  36                debug_unregister(ctcm_dbf[x].id);
  37                ctcm_dbf[x].id = NULL;
  38        }
  39}
  40
  41int ctcm_register_dbf_views(void)
  42{
  43        int x;
  44        for (x = 0; x < CTCM_DBF_INFOS; x++) {
  45                /* register the areas */
  46                ctcm_dbf[x].id = debug_register(ctcm_dbf[x].name,
  47                                                ctcm_dbf[x].pages,
  48                                                ctcm_dbf[x].areas,
  49                                                ctcm_dbf[x].len);
  50                if (ctcm_dbf[x].id == NULL) {
  51                        ctcm_unregister_dbf_views();
  52                        return -ENOMEM;
  53                }
  54
  55                /* register a view */
  56                debug_register_view(ctcm_dbf[x].id, &debug_hex_ascii_view);
  57                /* set a passing level */
  58                debug_set_level(ctcm_dbf[x].id, ctcm_dbf[x].level);
  59        }
  60
  61        return 0;
  62}
  63
  64void ctcm_dbf_longtext(enum ctcm_dbf_names dbf_nix, int level, char *fmt, ...)
  65{
  66        char dbf_txt_buf[64];
  67        va_list args;
  68
  69        if (level > (ctcm_dbf[dbf_nix].id)->level)
  70                return;
  71        va_start(args, fmt);
  72        vsnprintf(dbf_txt_buf, sizeof(dbf_txt_buf), fmt, args);
  73        va_end(args);
  74
  75        debug_text_event(ctcm_dbf[dbf_nix].id, level, dbf_txt_buf);
  76}
  77
  78