1/*
 2 *	drivers/s390/net/ctcm_dbug.c
 3 *
 4 *	Copyright IBM Corp. 2001, 2007
 5 *	Authors:	Peter Tiedemann (ptiedem@de.ibm.com)
 6 *
 7 */
 8
 9#include <linux/stddef.h>
10#include <linux/string.h>
11#include <linux/kernel.h>
12#include <linux/errno.h>
13#include <linux/ctype.h>
14#include <linux/sysctl.h>
15#include <linux/module.h>
16#include <linux/init.h>
17#include <linux/fs.h>
18#include <linux/debugfs.h>
19#include "ctcm_dbug.h"
20
21/*
22 * Debug Facility Stuff
23 */
24
25struct ctcm_dbf_info ctcm_dbf[CTCM_DBF_INFOS] = {
26	[CTCM_DBF_SETUP]     = {"ctc_setup", 8, 1, 64, CTC_DBF_INFO, NULL},
27	[CTCM_DBF_ERROR]     = {"ctc_error", 8, 1, 64, CTC_DBF_ERROR, NULL},
28	[CTCM_DBF_TRACE]     = {"ctc_trace", 8, 1, 64, CTC_DBF_ERROR, NULL},
29	[CTCM_DBF_MPC_SETUP] = {"mpc_setup", 8, 1, 80, CTC_DBF_INFO, NULL},
30	[CTCM_DBF_MPC_ERROR] = {"mpc_error", 8, 1, 80, CTC_DBF_ERROR, NULL},
31	[CTCM_DBF_MPC_TRACE] = {"mpc_trace", 8, 1, 80, CTC_DBF_ERROR, NULL},
32};
33
34void ctcm_unregister_dbf_views(void)
35{
36	int x;
37	for (x = 0; x < CTCM_DBF_INFOS; x++) {
38		debug_unregister(ctcm_dbf[x].id);
39		ctcm_dbf[x].id = NULL;
40	}
41}
42
43int ctcm_register_dbf_views(void)
44{
45	int x;
46	for (x = 0; x < CTCM_DBF_INFOS; x++) {
47		/* register the areas */
48		ctcm_dbf[x].id = debug_register(ctcm_dbf[x].name,
49						ctcm_dbf[x].pages,
50						ctcm_dbf[x].areas,
51						ctcm_dbf[x].len);
52		if (ctcm_dbf[x].id == NULL) {
53			ctcm_unregister_dbf_views();
54			return -ENOMEM;
55		}
56
57		/* register a view */
58		debug_register_view(ctcm_dbf[x].id, &debug_hex_ascii_view);
59		/* set a passing level */
60		debug_set_level(ctcm_dbf[x].id, ctcm_dbf[x].level);
61	}
62
63	return 0;
64}
65
66void ctcm_dbf_longtext(enum ctcm_dbf_names dbf_nix, int level, char *fmt, ...)
67{
68	char dbf_txt_buf[64];
69	va_list args;
70
71	if (level > (ctcm_dbf[dbf_nix].id)->level)
72		return;
73	va_start(args, fmt);
74	vsnprintf(dbf_txt_buf, sizeof(dbf_txt_buf), fmt, args);
75	va_end(args);
76
77	debug_text_event(ctcm_dbf[dbf_nix].id, level, dbf_txt_buf);
78}
79

 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#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 Stuff
22 */
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