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b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
293d984f | 2 | /* |
293d984f PT |
3 | * Copyright IBM Corp. 2001, 2007 |
4 | * Authors: Peter Tiedemann (ptiedem@de.ibm.com) | |
5 | * | |
6 | */ | |
7 | ||
8 | #include <linux/stddef.h> | |
aa3f2cb6 | 9 | #include <linux/string.h> |
293d984f PT |
10 | #include <linux/kernel.h> |
11 | #include <linux/errno.h> | |
293d984f PT |
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 | ||
293d984f | 24 | struct ctcm_dbf_info ctcm_dbf[CTCM_DBF_INFOS] = { |
aa3f2cb6 PT |
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}, | |
293d984f PT |
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 | ||
aa3f2cb6 PT |
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 | ||
8e6a8285 | 70 | if (!debug_level_enabled(ctcm_dbf[dbf_nix].id, level)) |
aa3f2cb6 PT |
71 | return; |
72 | va_start(args, fmt); | |
73 | vsnprintf(dbf_txt_buf, 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 |