xref: /openbmc/linux/drivers/s390/net/ctcm_dbug.h (revision a2cce7a9)
1 /*
2  *	Copyright IBM Corp. 2001, 2007
3  *	Authors:	Peter Tiedemann (ptiedem@de.ibm.com)
4  *
5  */
6 
7 #ifndef _CTCM_DBUG_H_
8 #define _CTCM_DBUG_H_
9 
10 /*
11  * Debug Facility stuff
12  */
13 
14 #include <asm/debug.h>
15 
16 #ifdef DEBUG
17  #define do_debug 1
18 #else
19  #define do_debug 0
20 #endif
21 #ifdef DEBUGCCW
22  #define do_debug_ccw 1
23  #define DEBUGDATA 1
24 #else
25  #define do_debug_ccw 0
26 #endif
27 #ifdef DEBUGDATA
28  #define do_debug_data 1
29 #else
30  #define do_debug_data 0
31 #endif
32 
33 /* define dbf debug levels similar to kernel msg levels */
34 #define	CTC_DBF_ALWAYS	0	/* always print this 			*/
35 #define	CTC_DBF_EMERG	0	/* system is unusable			*/
36 #define	CTC_DBF_ALERT	1	/* action must be taken immediately	*/
37 #define	CTC_DBF_CRIT	2	/* critical conditions			*/
38 #define	CTC_DBF_ERROR	3	/* error conditions			*/
39 #define	CTC_DBF_WARN	4	/* warning conditions			*/
40 #define	CTC_DBF_NOTICE	5	/* normal but significant condition	*/
41 #define	CTC_DBF_INFO	5	/* informational			*/
42 #define	CTC_DBF_DEBUG	6	/* debug-level messages			*/
43 
44 enum ctcm_dbf_names {
45 	CTCM_DBF_SETUP,
46 	CTCM_DBF_ERROR,
47 	CTCM_DBF_TRACE,
48 	CTCM_DBF_MPC_SETUP,
49 	CTCM_DBF_MPC_ERROR,
50 	CTCM_DBF_MPC_TRACE,
51 	CTCM_DBF_INFOS	/* must be last element */
52 };
53 
54 struct ctcm_dbf_info {
55 	char name[DEBUG_MAX_NAME_LEN];
56 	int pages;
57 	int areas;
58 	int len;
59 	int level;
60 	debug_info_t *id;
61 };
62 
63 extern struct ctcm_dbf_info ctcm_dbf[CTCM_DBF_INFOS];
64 
65 int ctcm_register_dbf_views(void);
66 void ctcm_unregister_dbf_views(void);
67 void ctcm_dbf_longtext(enum ctcm_dbf_names dbf_nix, int level, char *text, ...);
68 
69 static inline const char *strtail(const char *s, int n)
70 {
71 	int l = strlen(s);
72 	return (l > n) ? s + (l - n) : s;
73 }
74 
75 #define CTCM_FUNTAIL strtail((char *)__func__, 16)
76 
77 #define CTCM_DBF_TEXT(name, level, text) \
78 	do { \
79 		debug_text_event(ctcm_dbf[CTCM_DBF_##name].id, level, text); \
80 	} while (0)
81 
82 #define CTCM_DBF_HEX(name, level, addr, len) \
83 	do { \
84 		debug_event(ctcm_dbf[CTCM_DBF_##name].id, \
85 					level, (void *)(addr), len); \
86 	} while (0)
87 
88 #define CTCM_DBF_TEXT_(name, level, text...) \
89 	ctcm_dbf_longtext(CTCM_DBF_##name, level, text)
90 
91 /*
92  * cat : one of {setup, mpc_setup, trace, mpc_trace, error, mpc_error}.
93  * dev : netdevice with valid name field.
94  * text: any text string.
95  */
96 #define CTCM_DBF_DEV_NAME(cat, dev, text) \
97 	do { \
98 		CTCM_DBF_TEXT_(cat, CTC_DBF_INFO, "%s(%s) :- %s", \
99 			CTCM_FUNTAIL, dev->name, text); \
100 	} while (0)
101 
102 #define MPC_DBF_DEV_NAME(cat, dev, text) \
103 	do { \
104 		CTCM_DBF_TEXT_(MPC_##cat, CTC_DBF_INFO, "%s(%s) := %s", \
105 			CTCM_FUNTAIL, dev->name, text); \
106 	} while (0)
107 
108 #define CTCMY_DBF_DEV_NAME(cat, dev, text) \
109 	do { \
110 		if (IS_MPCDEV(dev)) \
111 			MPC_DBF_DEV_NAME(cat, dev, text); \
112 		else \
113 			CTCM_DBF_DEV_NAME(cat, dev, text); \
114 	} while (0)
115 
116 /*
117  * cat : one of {setup, mpc_setup, trace, mpc_trace, error, mpc_error}.
118  * dev : netdevice.
119  * text: any text string.
120  */
121 #define CTCM_DBF_DEV(cat, dev, text) \
122 	do { \
123 		CTCM_DBF_TEXT_(cat, CTC_DBF_INFO, "%s(%p) :-: %s", \
124 			CTCM_FUNTAIL, dev, text); \
125 	} while (0)
126 
127 #define MPC_DBF_DEV(cat, dev, text) \
128 	do { \
129 		CTCM_DBF_TEXT_(MPC_##cat, CTC_DBF_INFO, "%s(%p) :=: %s", \
130 			CTCM_FUNTAIL, dev, text); \
131 	} while (0)
132 
133 #define CTCMY_DBF_DEV(cat, dev, text) \
134 	do { \
135 		if (IS_MPCDEV(dev)) \
136 			MPC_DBF_DEV(cat, dev, text); \
137 		else \
138 			CTCM_DBF_DEV(cat, dev, text); \
139 	} while (0)
140 
141 #endif
142