Quelle  v4l2.h   Sprache: C

/* SPDX-License-Identifier: GPL-2.0 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM v4l2

#if !defined(_TRACE_V4L2_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_V4L2_H

#include <linux/tracepoint.h>
#include <media/videobuf2-v4l2.h>

/* Enums require being exported to userspace, for user tool parsing */
#undef EM
#undef EMe
#define EM(a, b) TRACE_DEFINE_ENUM(a);
#define EMe(a, b) TRACE_DEFINE_ENUM(a);

#define show_type(type)       \
 __print_symbolic(type, SHOW_TYPE)

#define SHOW_TYPE       \
 EM( V4L2_BUF_TYPE_VIDEO_CAPTURE, "VIDEO_CAPTURE" ) \
 EM( V4L2_BUF_TYPE_VIDEO_OUTPUT,  "VIDEO_OUTPUT" ) \
 EM( V4L2_BUF_TYPE_VIDEO_OVERLAY, "VIDEO_OVERLAY" ) \
 EM( V4L2_BUF_TYPE_VBI_CAPTURE,  "VBI_CAPTURE" )  \
 EM( V4L2_BUF_TYPE_VBI_OUTPUT,  "VBI_OUTPUT" )  \
 EM( V4L2_BUF_TYPE_SLICED_VBI_CAPTURE,   "SLICED_VBI_CAPTURE" ) \
 EM( V4L2_BUF_TYPE_SLICED_VBI_OUTPUT,    "SLICED_VBI_OUTPUT" ) \
 EM( V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY, "VIDEO_OUTPUT_OVERLAY" ) \
 EM( V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, "VIDEO_CAPTURE_MPLANE" ) \
 EM( V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,  "VIDEO_OUTPUT_MPLANE" ) \
 EM( V4L2_BUF_TYPE_SDR_CAPTURE,          "SDR_CAPTURE" )  \
 EM( V4L2_BUF_TYPE_SDR_OUTPUT,           "SDR_OUTPUT" )  \
 EM( V4L2_BUF_TYPE_META_CAPTURE,  "META_CAPTURE" ) \
 EMe(V4L2_BUF_TYPE_PRIVATE,  "PRIVATE" )

SHOW_TYPE

#define show_field(field)      \
 __print_symbolic(field, SHOW_FIELD)

#define SHOW_FIELD       \
 EM( V4L2_FIELD_ANY,  "ANY" )    \
 EM( V4L2_FIELD_NONE,  "NONE" )   \
 EM( V4L2_FIELD_TOP,  "TOP" )    \
 EM( V4L2_FIELD_BOTTOM,  "BOTTOM" )   \
 EM( V4L2_FIELD_INTERLACED, "INTERLACED" )   \
 EM( V4L2_FIELD_SEQ_TB,  "SEQ_TB" )   \
 EM( V4L2_FIELD_SEQ_BT,  "SEQ_BT" )   \
 EM( V4L2_FIELD_ALTERNATE, "ALTERNATE" )   \
 EM( V4L2_FIELD_INTERLACED_TB, "INTERLACED_TB" )  \
 EMe( V4L2_FIELD_INTERLACED_BT, "INTERLACED_BT" )

SHOW_FIELD

/*
 * Now redefine the EM() and EMe() macros to map the enums to the strings
 * that will be printed in the output.
 */
#undef EM
#undef EMe
#define EM(a, b) {a, b},
#define EMe(a, b) {a, b}

/* V4L2_TC_TYPE_* are macros, not defines, they do not need processing */

#define show_timecode_type(type)     \
 __print_symbolic(type,      \
  { V4L2_TC_TYPE_24FPS,  "24FPS" },  \
  { V4L2_TC_TYPE_25FPS,  "25FPS" },  \
  { V4L2_TC_TYPE_30FPS,  "30FPS" },  \
  { V4L2_TC_TYPE_50FPS,  "50FPS" },  \
  { V4L2_TC_TYPE_60FPS,  "60FPS" })

#define show_flags(flags)            \
 __print_flags(flags, "|",           \
  { V4L2_BUF_FLAG_MAPPED,       "MAPPED" },       \
  { V4L2_BUF_FLAG_QUEUED,       "QUEUED" },       \
  { V4L2_BUF_FLAG_DONE,       "DONE" },        \
  { V4L2_BUF_FLAG_KEYFRAME,      "KEYFRAME" },       \
  { V4L2_BUF_FLAG_PFRAME,       "PFRAME" },       \
  { V4L2_BUF_FLAG_BFRAME,       "BFRAME" },       \
  { V4L2_BUF_FLAG_ERROR,       "ERROR" },        \
  { V4L2_BUF_FLAG_TIMECODE,      "TIMECODE" },       \
  { V4L2_BUF_FLAG_PREPARED,      "PREPARED" },       \
  { V4L2_BUF_FLAG_NO_CACHE_INVALIDATE, "NO_CACHE_INVALIDATE" }, \
  { V4L2_BUF_FLAG_NO_CACHE_CLEAN,      "NO_CACHE_CLEAN" },      \
  { V4L2_BUF_FLAG_TIMESTAMP_MASK,      "TIMESTAMP_MASK" },      \
  { V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN,   "TIMESTAMP_UNKNOWN" },   \
  { V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC, "TIMESTAMP_MONOTONIC" }, \
  { V4L2_BUF_FLAG_TIMESTAMP_COPY,      "TIMESTAMP_COPY" },      \
  { V4L2_BUF_FLAG_LAST,                "LAST" })

#define show_timecode_flags(flags)       \
 __print_flags(flags, "|",       \
  { V4L2_TC_FLAG_DROPFRAME,       "DROPFRAME" },    \
  { V4L2_TC_FLAG_COLORFRAME,      "COLORFRAME" },    \
  { V4L2_TC_USERBITS_USERDEFINED, "USERBITS_USERDEFINED" }, \
  { V4L2_TC_USERBITS_8BITCHARS, "USERBITS_8BITCHARS" })

DECLARE_EVENT_CLASS(v4l2_event_class,
 TP_PROTO(int minor, struct v4l2_buffer *buf),

 TP_ARGS(minor, buf),

 TP_STRUCT__entry(
  __field(int, minor)
  __field(u32, index)
  __field(u32, type)
  __field(u32, bytesused)
  __field(u32, flags)
  __field(u32, field)
  __field(s64, timestamp)
  __field(u32, timecode_type)
  __field(u32, timecode_flags)
  __field(u8, timecode_frames)
  __field(u8, timecode_seconds)
  __field(u8, timecode_minutes)
  __field(u8, timecode_hours)
  __field(u8, timecode_userbits0)
  __field(u8, timecode_userbits1)
  __field(u8, timecode_userbits2)
  __field(u8, timecode_userbits3)
  __field(u32, sequence)
 ),

 TP_fast_assign(
  __entry->minor = minor;
  __entry->index = buf->index;
  __entry->type = buf->type;
  __entry->bytesused = buf->bytesused;
  __entry->flags = buf->flags;
  __entry->field = buf->field;
  __entry->timestamp = v4l2_buffer_get_timestamp(buf);
  __entry->timecode_type = buf->timecode.type;
  __entry->timecode_flags = buf->timecode.flags;
  __entry->timecode_frames = buf->timecode.frames;
  __entry->timecode_seconds = buf->timecode.seconds;
  __entry->timecode_minutes = buf->timecode.minutes;
  __entry->timecode_hours = buf->timecode.hours;
  __entry->timecode_userbits0 = buf->timecode.userbits[0];
  __entry->timecode_userbits1 = buf->timecode.userbits[1];
  __entry->timecode_userbits2 = buf->timecode.userbits[2];
  __entry->timecode_userbits3 = buf->timecode.userbits[3];
  __entry->sequence = buf->sequence;
 ),

 TP_printk("minor = %d, index = %u, type = %s, bytesused = %u, "
    "flags = %s, field = %s, timestamp = %llu, "
    "timecode = { type = %s, flags = %s, frames = %u, "
    "seconds = %u, minutes = %u, hours = %u, "
    "userbits = { %u %u %u %u } }, sequence = %u", __entry->minor,
    __entry->index, show_type(__entry->type),
    __entry->bytesused,
    show_flags(__entry->flags),
    show_field(__entry->field),
    __entry->timestamp,
    show_timecode_type(__entry->timecode_type),
    show_timecode_flags(__entry->timecode_flags),
    __entry->timecode_frames,
    __entry->timecode_seconds,
    __entry->timecode_minutes,
    __entry->timecode_hours,
    __entry->timecode_userbits0,
    __entry->timecode_userbits1,
    __entry->timecode_userbits2,
    __entry->timecode_userbits3,
    __entry->sequence
 )
)

DEFINE_EVENT(v4l2_event_class, v4l2_dqbuf,
 TP_PROTO(int minor, struct v4l2_buffer *buf),
 TP_ARGS(minor, buf)
);

DEFINE_EVENT(v4l2_event_class, v4l2_qbuf,
 TP_PROTO(int minor, struct v4l2_buffer *buf),
 TP_ARGS(minor, buf)
);

DECLARE_EVENT_CLASS(vb2_v4l2_event_class,
 TP_PROTO(struct vb2_queue *q, struct vb2_buffer *vb),
 TP_ARGS(q, vb),

 TP_STRUCT__entry(
  __field(int, minor)
  __field(u32, flags)
  __field(u32, field)
  __field(u64, timestamp)
  __field(u32, timecode_type)
  __field(u32, timecode_flags)
  __field(u8, timecode_frames)
  __field(u8, timecode_seconds)
  __field(u8, timecode_minutes)
  __field(u8, timecode_hours)
  __field(u8, timecode_userbits0)
  __field(u8, timecode_userbits1)
  __field(u8, timecode_userbits2)
  __field(u8, timecode_userbits3)
  __field(u32, sequence)
 ),

 TP_fast_assign(
  struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
  struct v4l2_fh *owner = q->owner;

  __entry->minor = owner ? owner->vdev->minor : -1;
  __entry->flags = vbuf->flags;
  __entry->field = vbuf->field;
  __entry->timestamp = vb->timestamp;
  __entry->timecode_type = vbuf->timecode.type;
  __entry->timecode_flags = vbuf->timecode.flags;
  __entry->timecode_frames = vbuf->timecode.frames;
  __entry->timecode_seconds = vbuf->timecode.seconds;
  __entry->timecode_minutes = vbuf->timecode.minutes;
  __entry->timecode_hours = vbuf->timecode.hours;
  __entry->timecode_userbits0 = vbuf->timecode.userbits[0];
  __entry->timecode_userbits1 = vbuf->timecode.userbits[1];
  __entry->timecode_userbits2 = vbuf->timecode.userbits[2];
  __entry->timecode_userbits3 = vbuf->timecode.userbits[3];
  __entry->sequence = vbuf->sequence;
 ),

 TP_printk("minor=%d flags = %s, field = %s, "
    "timestamp = %llu, timecode = { type = %s, flags = %s, "
    "frames = %u, seconds = %u, minutes = %u, hours = %u, "
    "userbits = { %u %u %u %u } }, sequence = %u", __entry->minor,
    show_flags(__entry->flags),
    show_field(__entry->field),
    __entry->timestamp,
    show_timecode_type(__entry->timecode_type),
    show_timecode_flags(__entry->timecode_flags),
    __entry->timecode_frames,
    __entry->timecode_seconds,
    __entry->timecode_minutes,
    __entry->timecode_hours,
    __entry->timecode_userbits0,
    __entry->timecode_userbits1,
    __entry->timecode_userbits2,
    __entry->timecode_userbits3,
    __entry->sequence
 )
)

DEFINE_EVENT(vb2_v4l2_event_class, vb2_v4l2_buf_done,
 TP_PROTO(struct vb2_queue *q, struct vb2_buffer *vb),
 TP_ARGS(q, vb)
);

DEFINE_EVENT(vb2_v4l2_event_class, vb2_v4l2_buf_queue,
 TP_PROTO(struct vb2_queue *q, struct vb2_buffer *vb),
 TP_ARGS(q, vb)
);

DEFINE_EVENT(vb2_v4l2_event_class, vb2_v4l2_dqbuf,
 TP_PROTO(struct vb2_queue *q, struct vb2_buffer *vb),
 TP_ARGS(q, vb)
);

DEFINE_EVENT(vb2_v4l2_event_class, vb2_v4l2_qbuf,
 TP_PROTO(struct vb2_queue *q, struct vb2_buffer *vb),
 TP_ARGS(q, vb)
);

#endif /* if !defined(_TRACE_V4L2_H) || defined(TRACE_HEADER_MULTI_READ) */

/* This part must be outside protection */
#include <trace/define_trace.h>