drivers/net/wireless/ath/ath10k/trace.h

   1 /*
   2  * Copyright (c) 2005-2011 Atheros Communications Inc.
   3  * Copyright (c) 2011-2013 Qualcomm Atheros, Inc.
   4  *
   5  * Permission to use, copy, modify, and/or distribute this software for any
   6  * purpose with or without fee is hereby granted, provided that the above
   7  * copyright notice and this permission notice appear in all copies.
   8  *
   9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  16  */
  17
  18 #if !defined(_TRACE_H_) || defined(TRACE_HEADER_MULTI_READ)
  19
  20 #include <linux/tracepoint.h>
  21
  22 #define _TRACE_H_
  23
  24 /* create empty functions when tracing is disabled */
  25 #if !defined(CONFIG_ATH10K_TRACING)
  26 #undef TRACE_EVENT
  27 #define TRACE_EVENT(name, proto, ...) \
  28 static inline void trace_ ## name(proto) {}
  29 #undef DECLARE_EVENT_CLASS
  30 #define DECLARE_EVENT_CLASS(...)
  31 #undef DEFINE_EVENT
  32 #define DEFINE_EVENT(evt_class, name, proto, ...) \
  33 static inline void trace_ ## name(proto) {}
  34 #endif /* !CONFIG_ATH10K_TRACING || __CHECKER__ */
  35
  36 #undef TRACE_SYSTEM
  37 #define TRACE_SYSTEM ath10k
  38
  39 #define ATH10K_MSG_MAX 200
  40
  41 DECLARE_EVENT_CLASS(ath10k_log_event,
  42         TP_PROTO(struct va_format *vaf),
  43         TP_ARGS(vaf),
  44         TP_STRUCT__entry(
  45                 __dynamic_array(char, msg, ATH10K_MSG_MAX)
  46         ),
  47         TP_fast_assign(
  48                 WARN_ON_ONCE(vsnprintf(__get_dynamic_array(msg),
  49                                        ATH10K_MSG_MAX,
  50                                        vaf->fmt,
  51                                        *vaf->va) >= ATH10K_MSG_MAX);
  52         ),
  53         TP_printk("%s", __get_str(msg))
  54 );
  55
  56 DEFINE_EVENT(ath10k_log_event, ath10k_log_err,
  57              TP_PROTO(struct va_format *vaf),
  58              TP_ARGS(vaf)
  59 );
  60
  61 DEFINE_EVENT(ath10k_log_event, ath10k_log_warn,
  62              TP_PROTO(struct va_format *vaf),
  63              TP_ARGS(vaf)
  64 );
  65
  66 DEFINE_EVENT(ath10k_log_event, ath10k_log_info,
  67              TP_PROTO(struct va_format *vaf),
  68              TP_ARGS(vaf)
  69 );
  70
  71 TRACE_EVENT(ath10k_log_dbg,
  72         TP_PROTO(unsigned int level, struct va_format *vaf),
  73         TP_ARGS(level, vaf),
  74         TP_STRUCT__entry(
  75                 __field(unsigned int, level)
  76                 __dynamic_array(char, msg, ATH10K_MSG_MAX)
  77         ),
  78         TP_fast_assign(
  79                 __entry->level = level;
  80                 WARN_ON_ONCE(vsnprintf(__get_dynamic_array(msg),
  81                                        ATH10K_MSG_MAX,
  82                                        vaf->fmt,
  83                                        *vaf->va) >= ATH10K_MSG_MAX);
  84         ),
  85         TP_printk("%s", __get_str(msg))
  86 );
  87
  88 TRACE_EVENT(ath10k_log_dbg_dump,
  89         TP_PROTO(const char *msg, const char *prefix,
  90                  const void *buf, size_t buf_len),
  91
  92         TP_ARGS(msg, prefix, buf, buf_len),
  93
  94         TP_STRUCT__entry(
  95                 __string(msg, msg)
  96                 __string(prefix, prefix)
  97                 __field(size_t, buf_len)
  98                 __dynamic_array(u8, buf, buf_len)
  99         ),
 100
 101         TP_fast_assign(
 102                 __assign_str(msg, msg);
 103                 __assign_str(prefix, prefix);
 104                 __entry->buf_len = buf_len;
 105                 memcpy(__get_dynamic_array(buf), buf, buf_len);
 106         ),
 107
 108         TP_printk(
 109                 "%s/%s\n", __get_str(prefix), __get_str(msg)
 110         )
 111 );
 112
 113 TRACE_EVENT(ath10k_wmi_cmd,
 114         TP_PROTO(int id, void *buf, size_t buf_len),
 115
 116         TP_ARGS(id, buf, buf_len),
 117
 118         TP_STRUCT__entry(
 119                 __field(unsigned int, id)
 120                 __field(size_t, buf_len)
 121                 __dynamic_array(u8, buf, buf_len)
 122         ),
 123
 124         TP_fast_assign(
 125                 __entry->id = id;
 126                 __entry->buf_len = buf_len;
 127                 memcpy(__get_dynamic_array(buf), buf, buf_len);
 128         ),
 129
 130         TP_printk(
 131                 "id %d len %zu",
 132                 __entry->id,
 133                 __entry->buf_len
 134         )
 135 );
 136
 137 TRACE_EVENT(ath10k_wmi_event,
 138         TP_PROTO(int id, void *buf, size_t buf_len),
 139
 140         TP_ARGS(id, buf, buf_len),
 141
 142         TP_STRUCT__entry(
 143                 __field(unsigned int, id)
 144                 __field(size_t, buf_len)
 145                 __dynamic_array(u8, buf, buf_len)
 146         ),
 147
 148         TP_fast_assign(
 149                 __entry->id = id;
 150                 __entry->buf_len = buf_len;
 151                 memcpy(__get_dynamic_array(buf), buf, buf_len);
 152         ),
 153
 154         TP_printk(
 155                 "id %d len %zu",
 156                 __entry->id,
 157                 __entry->buf_len
 158         )
 159 );
 160
 161 #endif /* _TRACE_H_ || TRACE_HEADER_MULTI_READ*/
 162
 163 /* we don't want to use include/trace/events */
 164 #undef TRACE_INCLUDE_PATH
 165 #define TRACE_INCLUDE_PATH .
 166 #undef TRACE_INCLUDE_FILE
 167 #define TRACE_INCLUDE_FILE trace
 168
 169 /* This part must be outside protection */
 170 #include <trace/define_trace.h>