79 lines · c
1// SPDX-License-Identifier: GPL-2.02/*3 * Copyright IBM Corp. 2001, 20074 * Authors: Peter Tiedemann (ptiedem@de.ibm.com)5 *6 */7 8#include <linux/stddef.h>9#include <linux/string.h>10#include <linux/kernel.h>11#include <linux/errno.h>12#include <linux/ctype.h>13#include <linux/sysctl.h>14#include <linux/module.h>15#include <linux/init.h>16#include <linux/fs.h>17#include <linux/debugfs.h>18#include "ctcm_dbug.h"19 20/*21 * Debug Facility Stuff22 */23 24struct ctcm_dbf_info ctcm_dbf[CTCM_DBF_INFOS] = {25 [CTCM_DBF_SETUP] = {"ctc_setup", 8, 1, 64, CTC_DBF_INFO, NULL},26 [CTCM_DBF_ERROR] = {"ctc_error", 8, 1, 64, CTC_DBF_ERROR, NULL},27 [CTCM_DBF_TRACE] = {"ctc_trace", 8, 1, 64, CTC_DBF_ERROR, NULL},28 [CTCM_DBF_MPC_SETUP] = {"mpc_setup", 8, 1, 80, CTC_DBF_INFO, NULL},29 [CTCM_DBF_MPC_ERROR] = {"mpc_error", 8, 1, 80, CTC_DBF_ERROR, NULL},30 [CTCM_DBF_MPC_TRACE] = {"mpc_trace", 8, 1, 80, CTC_DBF_ERROR, NULL},31};32 33void ctcm_unregister_dbf_views(void)34{35 int x;36 for (x = 0; x < CTCM_DBF_INFOS; x++) {37 debug_unregister(ctcm_dbf[x].id);38 ctcm_dbf[x].id = NULL;39 }40}41 42int ctcm_register_dbf_views(void)43{44 int x;45 for (x = 0; x < CTCM_DBF_INFOS; x++) {46 /* register the areas */47 ctcm_dbf[x].id = debug_register(ctcm_dbf[x].name,48 ctcm_dbf[x].pages,49 ctcm_dbf[x].areas,50 ctcm_dbf[x].len);51 if (ctcm_dbf[x].id == NULL) {52 ctcm_unregister_dbf_views();53 return -ENOMEM;54 }55 56 /* register a view */57 debug_register_view(ctcm_dbf[x].id, &debug_hex_ascii_view);58 /* set a passing level */59 debug_set_level(ctcm_dbf[x].id, ctcm_dbf[x].level);60 }61 62 return 0;63}64 65void ctcm_dbf_longtext(enum ctcm_dbf_names dbf_nix, int level, char *fmt, ...)66{67 char dbf_txt_buf[64];68 va_list args;69 70 if (!debug_level_enabled(ctcm_dbf[dbf_nix].id, level))71 return;72 va_start(args, fmt);73 vscnprintf(dbf_txt_buf, sizeof(dbf_txt_buf), fmt, args);74 va_end(args);75 76 debug_text_event(ctcm_dbf[dbf_nix].id, level, dbf_txt_buf);77}78 79