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Peter Tiedemann293d9842008-02-08 00:03:49 +01001/*
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>
Peter Tiedemannaa3f2cb2008-07-18 15:24:57 +020010#include <linux/string.h>
Peter Tiedemann293d9842008-02-08 00:03:49 +010011#include <linux/kernel.h>
12#include <linux/errno.h>
13#include <linux/slab.h>
14#include <linux/ctype.h>
15#include <linux/sysctl.h>
16#include <linux/module.h>
17#include <linux/init.h>
18#include <linux/fs.h>
19#include <linux/debugfs.h>
20#include "ctcm_dbug.h"
21
22/*
23 * Debug Facility Stuff
24 */
25
Peter Tiedemann293d9842008-02-08 00:03:49 +010026struct ctcm_dbf_info ctcm_dbf[CTCM_DBF_INFOS] = {
Peter Tiedemannaa3f2cb2008-07-18 15:24:57 +020027 [CTCM_DBF_SETUP] = {"ctc_setup", 8, 1, 64, CTC_DBF_INFO, NULL},
28 [CTCM_DBF_ERROR] = {"ctc_error", 8, 1, 64, CTC_DBF_ERROR, NULL},
29 [CTCM_DBF_TRACE] = {"ctc_trace", 8, 1, 64, CTC_DBF_ERROR, NULL},
30 [CTCM_DBF_MPC_SETUP] = {"mpc_setup", 8, 1, 80, CTC_DBF_INFO, NULL},
31 [CTCM_DBF_MPC_ERROR] = {"mpc_error", 8, 1, 80, CTC_DBF_ERROR, NULL},
32 [CTCM_DBF_MPC_TRACE] = {"mpc_trace", 8, 1, 80, CTC_DBF_ERROR, NULL},
Peter Tiedemann293d9842008-02-08 00:03:49 +010033};
34
35void ctcm_unregister_dbf_views(void)
36{
37 int x;
38 for (x = 0; x < CTCM_DBF_INFOS; x++) {
39 debug_unregister(ctcm_dbf[x].id);
40 ctcm_dbf[x].id = NULL;
41 }
42}
43
44int ctcm_register_dbf_views(void)
45{
46 int x;
47 for (x = 0; x < CTCM_DBF_INFOS; x++) {
48 /* register the areas */
49 ctcm_dbf[x].id = debug_register(ctcm_dbf[x].name,
50 ctcm_dbf[x].pages,
51 ctcm_dbf[x].areas,
52 ctcm_dbf[x].len);
53 if (ctcm_dbf[x].id == NULL) {
54 ctcm_unregister_dbf_views();
55 return -ENOMEM;
56 }
57
58 /* register a view */
59 debug_register_view(ctcm_dbf[x].id, &debug_hex_ascii_view);
60 /* set a passing level */
61 debug_set_level(ctcm_dbf[x].id, ctcm_dbf[x].level);
62 }
63
64 return 0;
65}
66
Peter Tiedemannaa3f2cb2008-07-18 15:24:57 +020067void ctcm_dbf_longtext(enum ctcm_dbf_names dbf_nix, int level, char *fmt, ...)
68{
69 char dbf_txt_buf[64];
70 va_list args;
71
72 if (level > (ctcm_dbf[dbf_nix].id)->level)
73 return;
74 va_start(args, fmt);
75 vsnprintf(dbf_txt_buf, sizeof(dbf_txt_buf), fmt, args);
76 va_end(args);
77
78 debug_text_event(ctcm_dbf[dbf_nix].id, level, dbf_txt_buf);
79}
80