1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * Copyright IBM Corp. 2001, 2007
4*4882a593Smuzhiyun * Authors: Peter Tiedemann (ptiedem@de.ibm.com)
5*4882a593Smuzhiyun *
6*4882a593Smuzhiyun */
7*4882a593Smuzhiyun
8*4882a593Smuzhiyun #include <linux/stddef.h>
9*4882a593Smuzhiyun #include <linux/string.h>
10*4882a593Smuzhiyun #include <linux/kernel.h>
11*4882a593Smuzhiyun #include <linux/errno.h>
12*4882a593Smuzhiyun #include <linux/ctype.h>
13*4882a593Smuzhiyun #include <linux/sysctl.h>
14*4882a593Smuzhiyun #include <linux/module.h>
15*4882a593Smuzhiyun #include <linux/init.h>
16*4882a593Smuzhiyun #include <linux/fs.h>
17*4882a593Smuzhiyun #include <linux/debugfs.h>
18*4882a593Smuzhiyun #include "ctcm_dbug.h"
19*4882a593Smuzhiyun
20*4882a593Smuzhiyun /*
21*4882a593Smuzhiyun * Debug Facility Stuff
22*4882a593Smuzhiyun */
23*4882a593Smuzhiyun
24*4882a593Smuzhiyun struct ctcm_dbf_info ctcm_dbf[CTCM_DBF_INFOS] = {
25*4882a593Smuzhiyun [CTCM_DBF_SETUP] = {"ctc_setup", 8, 1, 64, CTC_DBF_INFO, NULL},
26*4882a593Smuzhiyun [CTCM_DBF_ERROR] = {"ctc_error", 8, 1, 64, CTC_DBF_ERROR, NULL},
27*4882a593Smuzhiyun [CTCM_DBF_TRACE] = {"ctc_trace", 8, 1, 64, CTC_DBF_ERROR, NULL},
28*4882a593Smuzhiyun [CTCM_DBF_MPC_SETUP] = {"mpc_setup", 8, 1, 80, CTC_DBF_INFO, NULL},
29*4882a593Smuzhiyun [CTCM_DBF_MPC_ERROR] = {"mpc_error", 8, 1, 80, CTC_DBF_ERROR, NULL},
30*4882a593Smuzhiyun [CTCM_DBF_MPC_TRACE] = {"mpc_trace", 8, 1, 80, CTC_DBF_ERROR, NULL},
31*4882a593Smuzhiyun };
32*4882a593Smuzhiyun
ctcm_unregister_dbf_views(void)33*4882a593Smuzhiyun void ctcm_unregister_dbf_views(void)
34*4882a593Smuzhiyun {
35*4882a593Smuzhiyun int x;
36*4882a593Smuzhiyun for (x = 0; x < CTCM_DBF_INFOS; x++) {
37*4882a593Smuzhiyun debug_unregister(ctcm_dbf[x].id);
38*4882a593Smuzhiyun ctcm_dbf[x].id = NULL;
39*4882a593Smuzhiyun }
40*4882a593Smuzhiyun }
41*4882a593Smuzhiyun
ctcm_register_dbf_views(void)42*4882a593Smuzhiyun int ctcm_register_dbf_views(void)
43*4882a593Smuzhiyun {
44*4882a593Smuzhiyun int x;
45*4882a593Smuzhiyun for (x = 0; x < CTCM_DBF_INFOS; x++) {
46*4882a593Smuzhiyun /* register the areas */
47*4882a593Smuzhiyun ctcm_dbf[x].id = debug_register(ctcm_dbf[x].name,
48*4882a593Smuzhiyun ctcm_dbf[x].pages,
49*4882a593Smuzhiyun ctcm_dbf[x].areas,
50*4882a593Smuzhiyun ctcm_dbf[x].len);
51*4882a593Smuzhiyun if (ctcm_dbf[x].id == NULL) {
52*4882a593Smuzhiyun ctcm_unregister_dbf_views();
53*4882a593Smuzhiyun return -ENOMEM;
54*4882a593Smuzhiyun }
55*4882a593Smuzhiyun
56*4882a593Smuzhiyun /* register a view */
57*4882a593Smuzhiyun debug_register_view(ctcm_dbf[x].id, &debug_hex_ascii_view);
58*4882a593Smuzhiyun /* set a passing level */
59*4882a593Smuzhiyun debug_set_level(ctcm_dbf[x].id, ctcm_dbf[x].level);
60*4882a593Smuzhiyun }
61*4882a593Smuzhiyun
62*4882a593Smuzhiyun return 0;
63*4882a593Smuzhiyun }
64*4882a593Smuzhiyun
ctcm_dbf_longtext(enum ctcm_dbf_names dbf_nix,int level,char * fmt,...)65*4882a593Smuzhiyun void ctcm_dbf_longtext(enum ctcm_dbf_names dbf_nix, int level, char *fmt, ...)
66*4882a593Smuzhiyun {
67*4882a593Smuzhiyun char dbf_txt_buf[64];
68*4882a593Smuzhiyun va_list args;
69*4882a593Smuzhiyun
70*4882a593Smuzhiyun if (!debug_level_enabled(ctcm_dbf[dbf_nix].id, level))
71*4882a593Smuzhiyun return;
72*4882a593Smuzhiyun va_start(args, fmt);
73*4882a593Smuzhiyun vsnprintf(dbf_txt_buf, sizeof(dbf_txt_buf), fmt, args);
74*4882a593Smuzhiyun va_end(args);
75*4882a593Smuzhiyun
76*4882a593Smuzhiyun debug_text_event(ctcm_dbf[dbf_nix].id, level, dbf_txt_buf);
77*4882a593Smuzhiyun }
78*4882a593Smuzhiyun
79