include/instrumentation/events/v4l2.h

   1 // SPDX-FileCopyrightText: 2014 Wade Farnsworth <wade_farnsworth@mentor.com>
   2 //
   3 // SPDX-License-Identifier: GPL-2.0-only
   4
   5 #undef TRACE_SYSTEM
   6 #define TRACE_SYSTEM v4l2
   7
   8 #if !defined(LTTNG_TRACE_V4L2_H) || defined(TRACE_HEADER_MULTI_READ)
   9 #define LTTNG_TRACE_V4L2_H
  10
  11 #include <lttng/tracepoint-event.h>
  12
  13 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,6,0))
  14 LTTNG_TRACEPOINT_EVENT_CLASS(v4l2_class,
  15
  16         TP_PROTO(int minor, struct v4l2_buffer *buf),
  17
  18         TP_ARGS(minor, buf),
  19
  20         TP_FIELDS(
  21                 ctf_integer(int, minor, minor)
  22                 ctf_integer(u32, index, buf->index)
  23                 ctf_integer(u32, type, buf->type)
  24                 ctf_integer(u32, bytesused, buf->bytesused)
  25                 ctf_integer(u32, flags, buf->flags)
  26                 ctf_integer(u32, field, buf->field)
  27                 ctf_integer(s64, timestamp, v4l2_buffer_get_timestamp(buf))
  28                 ctf_integer(u32, timecode_type, buf->timecode.type)
  29                 ctf_integer(u32, timecode_flags, buf->timecode.flags)
  30                 ctf_integer(u8, timecode_frames, buf->timecode.frames)
  31                 ctf_integer(u8, timecode_seconds, buf->timecode.seconds)
  32                 ctf_integer(u8, timecode_minutes, buf->timecode.minutes)
  33                 ctf_integer(u8, timecode_hours, buf->timecode.hours)
  34                 ctf_array(u8, timecode_userbits, buf->timecode.userbits, 4)
  35                 ctf_integer(u32, sequence, buf->sequence)
  36         )
  37 )
  38 #else
  39 LTTNG_TRACEPOINT_EVENT_CLASS(v4l2_class,
  40
  41         TP_PROTO(int minor, struct v4l2_buffer *buf),
  42
  43         TP_ARGS(minor, buf),
  44
  45         TP_FIELDS(
  46                 ctf_integer(int, minor, minor)
  47                 ctf_integer(u32, index, buf->index)
  48                 ctf_integer(u32, type, buf->type)
  49                 ctf_integer(u32, bytesused, buf->bytesused)
  50                 ctf_integer(u32, flags, buf->flags)
  51                 ctf_integer(u32, field, buf->field)
  52                 ctf_integer(s64, timestamp, timeval_to_ns(&buf->timestamp))
  53                 ctf_integer(u32, timecode_type, buf->timecode.type)
  54                 ctf_integer(u32, timecode_flags, buf->timecode.flags)
  55                 ctf_integer(u8, timecode_frames, buf->timecode.frames)
  56                 ctf_integer(u8, timecode_seconds, buf->timecode.seconds)
  57                 ctf_integer(u8, timecode_minutes, buf->timecode.minutes)
  58                 ctf_integer(u8, timecode_hours, buf->timecode.hours)
  59                 ctf_array(u8, timecode_userbits, buf->timecode.userbits, 4)
  60                 ctf_integer(u32, sequence, buf->sequence)
  61         )
  62 )
  63 #endif
  64
  65 LTTNG_TRACEPOINT_EVENT_INSTANCE(v4l2_class,
  66         v4l2_dqbuf,
  67
  68         TP_PROTO(int minor, struct v4l2_buffer *buf),
  69
  70         TP_ARGS(minor, buf)
  71 )
  72
  73 LTTNG_TRACEPOINT_EVENT_INSTANCE(v4l2_class,
  74
  75         v4l2_qbuf,
  76
  77         TP_PROTO(int minor, struct v4l2_buffer *buf),
  78
  79         TP_ARGS(minor, buf)
  80 )
  81
  82 #endif /* if !defined(LTTNG_TRACE_V4L2_H) || defined(TRACE_HEADER_MULTI_READ) */
  83
  84 /* This part must be outside protection */
  85 #include <lttng/define_trace.h>