Quelle  amdtp-motu-trace.h   Sprache: C

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * amdtp-motu-trace.h - tracepoint definitions to dump a part of packet data
 *
 * Copyright (c) 2017 Takashi Sakamoto
 */

#undef TRACE_SYSTEM
#define TRACE_SYSTEM  snd_firewire_motu

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

#include <linux/tracepoint.h>

static void copy_sph(u32 *frame, __be32 *buffer, unsigned int data_blocks,
       unsigned int data_block_quadlets);
static void copy_message(u64 *frames, __be32 *buffer, unsigned int data_blocks,
    unsigned int data_block_quadlets);

TRACE_EVENT(data_block_sph,
 TP_PROTO(struct amdtp_stream *s, unsigned int data_blocks, __be32 *buffer),
 TP_ARGS(s, data_blocks, buffer),
 TP_STRUCT__entry(
  __field(int, src)
  __field(int, dst)
  __field(unsigned int, data_blocks)
  __dynamic_array(u32, tstamps, data_blocks)
 ),
 TP_fast_assign(
  if (s->direction == AMDTP_IN_STREAM) {
   __entry->src = fw_parent_device(s->unit)->node_id;
   __entry->dst = fw_parent_device(s->unit)->card->node_id;
  } else {
   __entry->src = fw_parent_device(s->unit)->card->node_id;
   __entry->dst = fw_parent_device(s->unit)->node_id;
  }
  __entry->data_blocks = data_blocks;
  copy_sph(__get_dynamic_array(tstamps), buffer, data_blocks, s->data_block_quadlets);
 ),
 TP_printk(
  "%04x %04x %u %s",
  __entry->src,
  __entry->dst,
  __entry->data_blocks,
  __print_array(__get_dynamic_array(tstamps), __entry->data_blocks, 4)
 )
);

TRACE_EVENT(data_block_message,
 TP_PROTO(struct amdtp_stream *s, unsigned int data_blocks, __be32 *buffer),
 TP_ARGS(s, data_blocks, buffer),
 TP_STRUCT__entry(
  __field(int, src)
  __field(int, dst)
  __field(unsigned int, data_blocks)
  __dynamic_array(u64, messages, data_blocks)
 ),
 TP_fast_assign(
  if (s->direction == AMDTP_IN_STREAM) {
   __entry->src = fw_parent_device(s->unit)->node_id;
   __entry->dst = fw_parent_device(s->unit)->card->node_id;
  } else {
   __entry->src = fw_parent_device(s->unit)->card->node_id;
   __entry->dst = fw_parent_device(s->unit)->node_id;
  }
  __entry->data_blocks = data_blocks;
  copy_message(__get_dynamic_array(messages), buffer, data_blocks, s->data_block_quadlets);
 ),
 TP_printk(
  "%04x %04x %u %s",
  __entry->src,
  __entry->dst,
  __entry->data_blocks,
  __print_array(__get_dynamic_array(messages), __entry->data_blocks, 8)
 )
);

#endif

#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH .
#undef TRACE_INCLUDE_FILE
#define TRACE_INCLUDE_FILE amdtp-motu-trace
#include <trace/define_trace.h>