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 | #ifndef _CTCM_DBUG_H_ |
9 | #define _CTCM_DBUG_H_ |
10 | |
11 | /* |
12 | * Debug Facility stuff |
13 | */ |
14 | |
15 | #include <asm/debug.h> |
16 | |
17 | #ifdef DEBUG |
18 | #define do_debug 1 |
19 | #else |
20 | #define do_debug 0 |
21 | #endif |
22 | #ifdef DEBUGCCW |
23 | #define do_debug_ccw 1 |
24 | #define DEBUGDATA 1 |
25 | #else |
26 | #define do_debug_ccw 0 |
27 | #endif |
28 | #ifdef DEBUGDATA |
29 | #define do_debug_data 1 |
30 | #else |
31 | #define do_debug_data 0 |
32 | #endif |
33 | |
34 | /* define dbf debug levels similar to kernel msg levels */ |
35 | #define CTC_DBF_ALWAYS 0 /* always print this */ |
36 | #define CTC_DBF_EMERG 0 /* system is unusable */ |
37 | #define CTC_DBF_ALERT 1 /* action must be taken immediately */ |
38 | #define CTC_DBF_CRIT 2 /* critical conditions */ |
39 | #define CTC_DBF_ERROR 3 /* error conditions */ |
40 | #define CTC_DBF_WARN 4 /* warning conditions */ |
41 | #define CTC_DBF_NOTICE 5 /* normal but significant condition */ |
42 | #define CTC_DBF_INFO 5 /* informational */ |
43 | #define CTC_DBF_DEBUG 6 /* debug-level messages */ |
44 | |
45 | enum ctcm_dbf_names { |
46 | CTCM_DBF_SETUP, |
47 | CTCM_DBF_ERROR, |
48 | CTCM_DBF_TRACE, |
49 | CTCM_DBF_MPC_SETUP, |
50 | CTCM_DBF_MPC_ERROR, |
51 | CTCM_DBF_MPC_TRACE, |
52 | CTCM_DBF_INFOS /* must be last element */ |
53 | }; |
54 | |
55 | struct ctcm_dbf_info { |
56 | char name[DEBUG_MAX_NAME_LEN]; |
57 | int pages; |
58 | int areas; |
59 | int len; |
60 | int level; |
61 | debug_info_t *id; |
62 | }; |
63 | |
64 | extern struct ctcm_dbf_info ctcm_dbf[CTCM_DBF_INFOS]; |
65 | |
66 | int ctcm_register_dbf_views(void); |
67 | void ctcm_unregister_dbf_views(void); |
68 | __printf(3, 4) |
69 | void ctcm_dbf_longtext(enum ctcm_dbf_names dbf_nix, int level, char *text, ...); |
70 | |
71 | static inline const char *strtail(const char *s, int n) |
72 | { |
73 | int l = strlen(s); |
74 | return (l > n) ? s + (l - n) : s; |
75 | } |
76 | |
77 | #define CTCM_FUNTAIL strtail((char *)__func__, 16) |
78 | |
79 | #define CTCM_DBF_TEXT(name, level, text) \ |
80 | do { \ |
81 | debug_text_event(ctcm_dbf[CTCM_DBF_##name].id, level, text); \ |
82 | } while (0) |
83 | |
84 | #define CTCM_DBF_HEX(name, level, addr, len) \ |
85 | do { \ |
86 | debug_event(ctcm_dbf[CTCM_DBF_##name].id, \ |
87 | level, (void *)(addr), len); \ |
88 | } while (0) |
89 | |
90 | #define CTCM_DBF_TEXT_(name, level, text...) \ |
91 | ctcm_dbf_longtext(CTCM_DBF_##name, level, text) |
92 | |
93 | /* |
94 | * cat : one of {setup, mpc_setup, trace, mpc_trace, error, mpc_error}. |
95 | * dev : netdevice with valid name field. |
96 | * text: any text string. |
97 | */ |
98 | #define CTCM_DBF_DEV_NAME(cat, dev, text) \ |
99 | do { \ |
100 | CTCM_DBF_TEXT_(cat, CTC_DBF_INFO, "%s(%s) :- %s", \ |
101 | CTCM_FUNTAIL, dev->name, text); \ |
102 | } while (0) |
103 | |
104 | #define MPC_DBF_DEV_NAME(cat, dev, text) \ |
105 | do { \ |
106 | CTCM_DBF_TEXT_(MPC_##cat, CTC_DBF_INFO, "%s(%s) := %s", \ |
107 | CTCM_FUNTAIL, dev->name, text); \ |
108 | } while (0) |
109 | |
110 | #define CTCMY_DBF_DEV_NAME(cat, dev, text) \ |
111 | do { \ |
112 | if (IS_MPCDEV(dev)) \ |
113 | MPC_DBF_DEV_NAME(cat, dev, text); \ |
114 | else \ |
115 | CTCM_DBF_DEV_NAME(cat, dev, text); \ |
116 | } while (0) |
117 | |
118 | /* |
119 | * cat : one of {setup, mpc_setup, trace, mpc_trace, error, mpc_error}. |
120 | * dev : netdevice. |
121 | * text: any text string. |
122 | */ |
123 | #define CTCM_DBF_DEV(cat, dev, text) \ |
124 | do { \ |
125 | CTCM_DBF_TEXT_(cat, CTC_DBF_INFO, "%s(%p) :-: %s", \ |
126 | CTCM_FUNTAIL, dev, text); \ |
127 | } while (0) |
128 | |
129 | #define MPC_DBF_DEV(cat, dev, text) \ |
130 | do { \ |
131 | CTCM_DBF_TEXT_(MPC_##cat, CTC_DBF_INFO, "%s(%p) :=: %s", \ |
132 | CTCM_FUNTAIL, dev, text); \ |
133 | } while (0) |
134 | |
135 | #define CTCMY_DBF_DEV(cat, dev, text) \ |
136 | do { \ |
137 | if (IS_MPCDEV(dev)) \ |
138 | MPC_DBF_DEV(cat, dev, text); \ |
139 | else \ |
140 | CTCM_DBF_DEV(cat, dev, text); \ |
141 | } while (0) |
142 | |
143 | #endif |
144 | |