include/trace/events/iscsi.h

   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>