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-rw-r--r--include/trace/events/iscsi.h107
1 files changed, 107 insertions, 0 deletions
diff --git a/include/trace/events/iscsi.h b/include/trace/events/iscsi.h
new file mode 100644
index 000000000000..87408faf6e4e
--- /dev/null
+++ b/include/trace/events/iscsi.h
@@ -0,0 +1,107 @@
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM iscsi
+
+#if !defined(_TRACE_ISCSI_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_ISCSI_H
+
+#include <linux/tracepoint.h>
+
+/* max debug message length */
+#define ISCSI_MSG_MAX 256
+
+/*
+ * Declare tracepoint helper function.
+ */
+void iscsi_dbg_trace(void (*trace)(struct device *dev, struct va_format *),
+ struct device *dev, const char *fmt, ...);
+
+/*
+ * Declare event class for iscsi debug messages.
+ */
+DECLARE_EVENT_CLASS(iscsi_log_msg,
+
+ TP_PROTO(struct device *dev, struct va_format *vaf),
+
+ TP_ARGS(dev, vaf),
+
+ TP_STRUCT__entry(
+ __string(dname, dev_name(dev) )
+ __dynamic_array(char, msg, ISCSI_MSG_MAX )
+ ),
+
+ TP_fast_assign(
+ __assign_str(dname, dev_name(dev));
+ vsnprintf(__get_str(msg), ISCSI_MSG_MAX, vaf->fmt, *vaf->va);
+ ),
+
+ TP_printk("%s: %s",__get_str(dname), __get_str(msg)
+ )
+);
+
+/*
+ * Define event to capture iscsi connection debug messages.
+ */
+DEFINE_EVENT(iscsi_log_msg, iscsi_dbg_conn,
+ TP_PROTO(struct device *dev, struct va_format *vaf),
+
+ TP_ARGS(dev, vaf)
+);
+
+/*
+ * Define event to capture iscsi session debug messages.
+ */
+DEFINE_EVENT(iscsi_log_msg, iscsi_dbg_session,
+ TP_PROTO(struct device *dev, struct va_format *vaf),
+
+ TP_ARGS(dev, vaf)
+);
+
+/*
+ * Define event to capture iscsi error handling debug messages.
+ */
+DEFINE_EVENT(iscsi_log_msg, iscsi_dbg_eh,
+ TP_PROTO(struct device *dev, struct va_format *vaf),
+
+ TP_ARGS(dev, vaf)
+);
+
+/*
+ * Define event to capture iscsi tcp debug messages.
+ */
+DEFINE_EVENT(iscsi_log_msg, iscsi_dbg_tcp,
+ TP_PROTO(struct device *dev, struct va_format *vaf),
+
+ TP_ARGS(dev, vaf)
+);
+
+/*
+ * Define event to capture iscsi sw tcp debug messages.
+ */
+DEFINE_EVENT(iscsi_log_msg, iscsi_dbg_sw_tcp,
+ TP_PROTO(struct device *dev, struct va_format *vaf),
+
+ TP_ARGS(dev, vaf)
+);
+
+/*
+ * Define event to capture iscsi transport session debug messages.
+ */
+DEFINE_EVENT(iscsi_log_msg, iscsi_dbg_trans_session,
+ TP_PROTO(struct device *dev, struct va_format *vaf),
+
+ TP_ARGS(dev, vaf)
+);
+
+/*
+ * Define event to capture iscsi transport connection debug messages.
+ */
+DEFINE_EVENT(iscsi_log_msg, iscsi_dbg_trans_conn,
+ TP_PROTO(struct device *dev, struct va_format *vaf),
+
+ TP_ARGS(dev, vaf)
+);
+
+#endif /* _TRACE_ISCSI_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>