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
25 struct 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
ctcm_unregister_dbf_views(void)34 void 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
ctcm_register_dbf_views(void)43 int 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
ctcm_dbf_longtext(enum ctcm_dbf_names dbf_nix,int level,char * fmt,...)66 void 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
80