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