Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / drivers / s390 / net / ctcm_dbug.c
1 /*
2  *      Copyright IBM Corp. 2001, 2007
3  *      Authors:        Peter Tiedemann (ptiedem@de.ibm.com)
4  *
5  */
6
7 #include <linux/stddef.h>
8 #include <linux/string.h>
9 #include <linux/kernel.h>
10 #include <linux/errno.h>
11 #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
23 struct ctcm_dbf_info ctcm_dbf[CTCM_DBF_INFOS] = {
24         [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},
30 };
31
32 void 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
41 int 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
64 void 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
69         if (!debug_level_enabled(ctcm_dbf[dbf_nix].id, level))
70                 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