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Peter Tiedemann293d9842008-02-08 00:03:49 +01001/*
Peter Tiedemann293d9842008-02-08 00:03:49 +01002 * Copyright IBM Corp. 2001, 2007
3 * Authors: Peter Tiedemann (ptiedem@de.ibm.com)
4 *
5 */
6
7#include <linux/stddef.h>
Peter Tiedemannaa3f2cb2008-07-18 15:24:57 +02008#include <linux/string.h>
Peter Tiedemann293d9842008-02-08 00:03:49 +01009#include <linux/kernel.h>
10#include <linux/errno.h>
Peter Tiedemann293d9842008-02-08 00:03:49 +010011#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
Peter Tiedemann293d9842008-02-08 00:03:49 +010023struct ctcm_dbf_info ctcm_dbf[CTCM_DBF_INFOS] = {
Peter Tiedemannaa3f2cb2008-07-18 15:24:57 +020024 [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},
Peter Tiedemann293d9842008-02-08 00:03:49 +010030};
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
Peter Tiedemannaa3f2cb2008-07-18 15:24:57 +020064void 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
Hendrik Brueckner8e6a8282013-09-18 17:21:34 +020069 if (!debug_level_enabled(ctcm_dbf[dbf_nix].id, level))
Peter Tiedemannaa3f2cb2008-07-18 15:24:57 +020070 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