1 /*
2  * Copyright (c) 2011 Broadcom Corporation
3  *
4  * Permission to use, copy, modify, and/or distribute this software for any
5  * purpose with or without fee is hereby granted, provided that the above
6  * copyright notice and this permission notice appear in all copies.
7  *
8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
11  * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
13  * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
14  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15  */
16 
17 #if !defined(__TRACE_BRCMSMAC_MSG_H) || defined(TRACE_HEADER_MULTI_READ)
18 #define __TRACE_BRCMSMAC_MSG_H
19 
20 #include <linux/tracepoint.h>
21 
22 #undef TRACE_SYSTEM
23 #define TRACE_SYSTEM brcmsmac_msg
24 
25 #define MAX_MSG_LEN	100
26 
27 DECLARE_EVENT_CLASS(brcms_msg_event,
28 	TP_PROTO(struct va_format *vaf),
29 	TP_ARGS(vaf),
30 	TP_STRUCT__entry(
31 		__dynamic_array(char, msg, MAX_MSG_LEN)
32 	),
33 	TP_fast_assign(
34 		WARN_ON_ONCE(vsnprintf(__get_dynamic_array(msg),
35 				       MAX_MSG_LEN, vaf->fmt,
36 				       *vaf->va) >= MAX_MSG_LEN);
37 	),
38 	TP_printk("%s", __get_str(msg))
39 );
40 
41 DEFINE_EVENT(brcms_msg_event, brcms_info,
42 	TP_PROTO(struct va_format *vaf),
43 	TP_ARGS(vaf)
44 );
45 
46 DEFINE_EVENT(brcms_msg_event, brcms_warn,
47 	TP_PROTO(struct va_format *vaf),
48 	TP_ARGS(vaf)
49 );
50 
51 DEFINE_EVENT(brcms_msg_event, brcms_err,
52 	TP_PROTO(struct va_format *vaf),
53 	TP_ARGS(vaf)
54 );
55 
56 DEFINE_EVENT(brcms_msg_event, brcms_crit,
57 	TP_PROTO(struct va_format *vaf),
58 	TP_ARGS(vaf)
59 );
60 
61 TRACE_EVENT(brcms_dbg,
62 	TP_PROTO(u32 level, const char *func, struct va_format *vaf),
63 	TP_ARGS(level, func, vaf),
64 	TP_STRUCT__entry(
65 		__field(u32, level)
66 		__string(func, func)
67 		__dynamic_array(char, msg, MAX_MSG_LEN)
68 	),
69 	TP_fast_assign(
70 		__entry->level = level;
71 		__assign_str(func, func);
72 		WARN_ON_ONCE(vsnprintf(__get_dynamic_array(msg),
73 				       MAX_MSG_LEN, vaf->fmt,
74 				       *vaf->va) >= MAX_MSG_LEN);
75 	),
76 	TP_printk("%s: %s", __get_str(func), __get_str(msg))
77 );
78 #endif /* __TRACE_BRCMSMAC_MSG_H */
79 
80 #ifdef CONFIG_BRCM_TRACING
81 
82 #undef TRACE_INCLUDE_PATH
83 #define TRACE_INCLUDE_PATH .
84 #undef TRACE_INCLUDE_FILE
85 #define TRACE_INCLUDE_FILE brcms_trace_brcmsmac_msg
86 #include <trace/define_trace.h>
87 
88 #endif /* CONFIG_BRCM_TRACING */
89