LXR linux/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 */
  15void 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 */
  21DECLARE_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 */
  44DEFINE_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 */
  53DEFINE_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 */
  62DEFINE_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 */
  71DEFINE_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 */
  80DEFINE_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 */
  89DEFINE_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 */
  98DEFINE_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