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