linux/sound/firewire/amdtp-stream-trace.h
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   1/* SPDX-License-Identifier: GPL-2.0-only */
   2/*
   3 * amdtp-stream-trace.h - tracepoint definitions to dump a part of packet data
   4 *
   5 * Copyright (c) 2016 Takashi Sakamoto
   6 */
   7
   8#undef TRACE_SYSTEM
   9#define TRACE_SYSTEM            snd_firewire_lib
  10
  11#if !defined(_AMDTP_STREAM_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
  12#define _AMDTP_STREAM_TRACE_H
  13
  14#include <linux/tracepoint.h>
  15
  16TRACE_EVENT(amdtp_packet,
  17        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),
  18        TP_ARGS(s, cycles, cip_header, payload_length, data_blocks, data_block_counter, packet_index, index),
  19        TP_STRUCT__entry(
  20                __field(unsigned int, second)
  21                __field(unsigned int, cycle)
  22                __field(int, channel)
  23                __field(int, src)
  24                __field(int, dest)
  25                __dynamic_array(u8, cip_header, cip_header ? 8 : 0)
  26                __field(unsigned int, payload_quadlets)
  27                __field(unsigned int, data_blocks)
  28                __field(unsigned int, data_block_counter)
  29                __field(unsigned int, packet_index)
  30                __field(unsigned int, irq)
  31                __field(unsigned int, index)
  32        ),
  33        TP_fast_assign(
  34                __entry->second = cycles / CYCLES_PER_SECOND;
  35                __entry->cycle = cycles % CYCLES_PER_SECOND;
  36                __entry->channel = s->context->channel;
  37                if (s->direction == AMDTP_IN_STREAM) {
  38                        __entry->src = fw_parent_device(s->unit)->node_id;
  39                        __entry->dest = fw_parent_device(s->unit)->card->node_id;
  40                } else {
  41                        __entry->src = fw_parent_device(s->unit)->card->node_id;
  42                        __entry->dest = fw_parent_device(s->unit)->node_id;
  43                }
  44                if (cip_header) {
  45                        memcpy(__get_dynamic_array(cip_header), cip_header,
  46                               __get_dynamic_array_len(cip_header));
  47                }
  48                __entry->payload_quadlets = payload_length / sizeof(__be32);
  49                __entry->data_blocks = data_blocks;
  50                __entry->data_block_counter = data_block_counter,
  51                __entry->packet_index = packet_index;
  52                __entry->irq = !!in_softirq();
  53                __entry->index = index;
  54        ),
  55        TP_printk(
  56                "%02u %04u %04x %04x %02d %03u %02u %03u %02u %01u %02u %s",
  57                __entry->second,
  58                __entry->cycle,
  59                __entry->src,
  60                __entry->dest,
  61                __entry->channel,
  62                __entry->payload_quadlets,
  63                __entry->data_blocks,
  64                __entry->data_block_counter,
  65                __entry->packet_index,
  66                __entry->irq,
  67                __entry->index,
  68                __print_array(__get_dynamic_array(cip_header),
  69                              __get_dynamic_array_len(cip_header), 1))
  70);
  71
  72#endif
  73
  74#undef TRACE_INCLUDE_PATH
  75#define TRACE_INCLUDE_PATH      .
  76#undef TRACE_INCLUDE_FILE
  77#define TRACE_INCLUDE_FILE      amdtp-stream-trace
  78#include <trace/define_trace.h>
  79