root/drivers/input/keyboard/applespi_trace.h

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INCLUDED FROM


   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * MacBook (Pro) SPI keyboard and touchpad driver
   4  *
   5  * Copyright (c) 2015-2019 Federico Lorenzi
   6  * Copyright (c) 2017-2019 Ronald Tschalär
   7  */
   8 
   9 #undef TRACE_SYSTEM
  10 #define TRACE_SYSTEM applespi
  11 
  12 #if !defined(_APPLESPI_TRACE_H_) || defined(TRACE_HEADER_MULTI_READ)
  13 #define _APPLESPI_TRACE_H_
  14 
  15 #include <linux/types.h>
  16 #include <linux/tracepoint.h>
  17 
  18 #include "applespi.h"
  19 
  20 DECLARE_EVENT_CLASS(dump_message_template,
  21         TP_PROTO(enum applespi_evt_type evt_type,
  22                  enum applespi_pkt_type pkt_type,
  23                  u8 *buf,
  24                  size_t len),
  25 
  26         TP_ARGS(evt_type, pkt_type, buf, len),
  27 
  28         TP_STRUCT__entry(
  29                 __field(enum applespi_evt_type, evt_type)
  30                 __field(enum applespi_pkt_type, pkt_type)
  31                 __field(size_t, len)
  32                 __dynamic_array(u8, buf, len)
  33         ),
  34 
  35         TP_fast_assign(
  36                 __entry->evt_type = evt_type;
  37                 __entry->pkt_type = pkt_type;
  38                 __entry->len = len;
  39                 memcpy(__get_dynamic_array(buf), buf, len);
  40         ),
  41 
  42         TP_printk("%-6s: %s",
  43                   __print_symbolic(__entry->pkt_type,
  44                                    { PT_READ, "read" },
  45                                    { PT_WRITE, "write" },
  46                                    { PT_STATUS, "status" }
  47                   ),
  48                   __print_hex(__get_dynamic_array(buf), __entry->len))
  49 );
  50 
  51 #define DEFINE_DUMP_MESSAGE_EVENT(name)                 \
  52 DEFINE_EVENT(dump_message_template, name,               \
  53         TP_PROTO(enum applespi_evt_type evt_type,       \
  54                  enum applespi_pkt_type pkt_type,       \
  55                  u8 *buf,                               \
  56                  size_t len),                           \
  57         TP_ARGS(evt_type, pkt_type, buf, len)           \
  58 )
  59 
  60 DEFINE_DUMP_MESSAGE_EVENT(applespi_tp_ini_cmd);
  61 DEFINE_DUMP_MESSAGE_EVENT(applespi_backlight_cmd);
  62 DEFINE_DUMP_MESSAGE_EVENT(applespi_caps_lock_cmd);
  63 DEFINE_DUMP_MESSAGE_EVENT(applespi_keyboard_data);
  64 DEFINE_DUMP_MESSAGE_EVENT(applespi_touchpad_data);
  65 DEFINE_DUMP_MESSAGE_EVENT(applespi_unknown_data);
  66 DEFINE_DUMP_MESSAGE_EVENT(applespi_bad_crc);
  67 
  68 TRACE_EVENT(applespi_irq_received,
  69         TP_PROTO(enum applespi_evt_type evt_type,
  70                  enum applespi_pkt_type pkt_type),
  71 
  72         TP_ARGS(evt_type, pkt_type),
  73 
  74         TP_STRUCT__entry(
  75                 __field(enum applespi_evt_type, evt_type)
  76                 __field(enum applespi_pkt_type, pkt_type)
  77         ),
  78 
  79         TP_fast_assign(
  80                 __entry->evt_type = evt_type;
  81                 __entry->pkt_type = pkt_type;
  82         ),
  83 
  84         "\n"
  85 );
  86 
  87 #endif /* _APPLESPI_TRACE_H_ */
  88 
  89 /* This part must be outside protection */
  90 #undef TRACE_INCLUDE_PATH
  91 #define TRACE_INCLUDE_PATH ../../drivers/input/keyboard
  92 #define TRACE_INCLUDE_FILE applespi_trace
  93 #include <trace/define_trace.h>

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