Quelle  amdtp-stream-trace.h   Sprache: C

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * amdtp-stream-trace.h - tracepoint definitions to dump a part of packet data
 *
 * Copyright (c) 2016 Takashi Sakamoto
 */

#undef TRACE_SYSTEM
#define TRACE_SYSTEM  snd_firewire_lib

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

#include <linux/tracepoint.h>

TRACE_EVENT(amdtp_packet,
 TP_PROTO(const struct amdtp_stream *s, u32 cycles, const __be32 *cip_header, unsigned int payload_length, unsigned int data_blocks, unsigned int data_block_counter, unsigned int packet_index, unsigned int index, u32 curr_cycle_time),
 TP_ARGS(s, cycles, cip_header, payload_length, data_blocks, data_block_counter, packet_index, index, curr_cycle_time),
 TP_STRUCT__entry(
  __field(unsigned int, cycle_time)
  __field(unsigned int, second)
  __field(unsigned int, cycle)
  __field(int, channel)
  __field(int, src)
  __field(int, dest)
  __dynamic_array(u8, cip_header, cip_header ? 8 : 0)
  __field(unsigned int, payload_quadlets)
  __field(unsigned int, data_blocks)
  __field(unsigned int, data_block_counter)
  __field(unsigned int, packet_index)
  __field(unsigned int, irq)
  __field(unsigned int, index)
 ),
 TP_fast_assign(
  __entry->cycle_time = curr_cycle_time;
  __entry->second = cycles / CYCLES_PER_SECOND;
  __entry->cycle = cycles % CYCLES_PER_SECOND;
  __entry->channel = s->context->channel;
  if (s->direction == AMDTP_IN_STREAM) {
   __entry->src = fw_parent_device(s->unit)->node_id;
   __entry->dest = fw_parent_device(s->unit)->card->node_id;
  } else {
   __entry->src = fw_parent_device(s->unit)->card->node_id;
   __entry->dest = fw_parent_device(s->unit)->node_id;
  }
  if (cip_header) {
   memcpy(__get_dynamic_array(cip_header), cip_header,
          __get_dynamic_array_len(cip_header));
  }
  __entry->payload_quadlets = payload_length / sizeof(__be32);
  __entry->data_blocks = data_blocks;
  __entry->data_block_counter = data_block_counter,
  __entry->packet_index = packet_index;
  __entry->irq = !!in_softirq();
  __entry->index = index;
 ),
 TP_printk(
  "%08x %02u %04u %04x %04x %02d %03u %02u %03u %02u %01u %02u %s",
  __entry->cycle_time,
  __entry->second,
  __entry->cycle,
  __entry->src,
  __entry->dest,
  __entry->channel,
  __entry->payload_quadlets,
  __entry->data_blocks,
  __entry->data_block_counter,
  __entry->packet_index,
  __entry->irq,
  __entry->index,
  __print_array(__get_dynamic_array(cip_header),
         __get_dynamic_array_len(cip_header), 1))
);

#endif

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