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		__vstring(msg,		vaf->fmt, vaf->va)
 30	),
 31
 32	TP_fast_assign(
 33		__assign_str(dname, dev_name(dev));
 34		__assign_vstr(msg, 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>