1 #undef TRACE_SYSTEM
2 #define TRACE_SYSTEM iscsi
3 
4 #if !defined(_TRACE_ISCSI_H) || defined(TRACE_HEADER_MULTI_READ)
5 #define _TRACE_ISCSI_H
6 
7 #include <linux/tracepoint.h>
8 
9 /* max debug message length */
10 #define ISCSI_MSG_MAX	256
11 
12 /*
13  * Declare tracepoint helper function.
14  */
15 void iscsi_dbg_trace(void (*trace)(struct device *dev, struct va_format *),
16 		     struct device *dev, const char *fmt, ...);
17 
18 /*
19  * Declare event class for iscsi debug messages.
20  */
21 DECLARE_EVENT_CLASS(iscsi_log_msg,
22 
23 	TP_PROTO(struct device *dev, struct va_format *vaf),
24 
25 	TP_ARGS(dev, vaf),
26 
27 	TP_STRUCT__entry(
28 		__string(dname, 	dev_name(dev)		)
29 		__dynamic_array(char,	msg, ISCSI_MSG_MAX	)
30 	),
31 
32 	TP_fast_assign(
33 		__assign_str(dname, dev_name(dev));
34 		vsnprintf(__get_str(msg), ISCSI_MSG_MAX, vaf->fmt, *vaf->va);
35 	),
36 
37 	TP_printk("%s: %s",__get_str(dname),  __get_str(msg)
38 	)
39 );
40 
41 /*
42  * Define event to capture iscsi connection debug messages.
43  */
44 DEFINE_EVENT(iscsi_log_msg, iscsi_dbg_conn,
45 	TP_PROTO(struct device *dev, struct va_format *vaf),
46 
47 	TP_ARGS(dev, vaf)
48 );
49 
50 /*
51  * Define event to capture iscsi session debug messages.
52  */
53 DEFINE_EVENT(iscsi_log_msg, iscsi_dbg_session,
54 	TP_PROTO(struct device *dev, struct va_format *vaf),
55 
56 	TP_ARGS(dev, vaf)
57 );
58 
59 /*
60  * Define event to capture iscsi error handling debug messages.
61  */
62 DEFINE_EVENT(iscsi_log_msg, iscsi_dbg_eh,
63         TP_PROTO(struct device *dev, struct va_format *vaf),
64 
65         TP_ARGS(dev, vaf)
66 );
67 
68 /*
69  * Define event to capture iscsi tcp debug messages.
70  */
71 DEFINE_EVENT(iscsi_log_msg, iscsi_dbg_tcp,
72         TP_PROTO(struct device *dev, struct va_format *vaf),
73 
74         TP_ARGS(dev, vaf)
75 );
76 
77 /*
78  * Define event to capture iscsi sw tcp debug messages.
79  */
80 DEFINE_EVENT(iscsi_log_msg, iscsi_dbg_sw_tcp,
81 	TP_PROTO(struct device *dev, struct va_format *vaf),
82 
83 	TP_ARGS(dev, vaf)
84 );
85 
86 /*
87  * Define event to capture iscsi transport session debug messages.
88  */
89 DEFINE_EVENT(iscsi_log_msg, iscsi_dbg_trans_session,
90 	TP_PROTO(struct device *dev, struct va_format *vaf),
91 
92 	TP_ARGS(dev, vaf)
93 );
94 
95 /*
96  * Define event to capture iscsi transport connection debug messages.
97  */
98 DEFINE_EVENT(iscsi_log_msg, iscsi_dbg_trans_conn,
99 	TP_PROTO(struct device *dev, struct va_format *vaf),
100 
101 	TP_ARGS(dev, vaf)
102 );
103 
104 #endif /* _TRACE_ISCSI_H */
105 
106 /* This part must be outside protection */
107 #include <trace/define_trace.h>
108