sound/firewire/amdtp-stream-trace.h

   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
  16 TRACE_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 index),
  18         TP_ARGS(s, cycles, cip_header, payload_length, data_blocks, data_block_counter, 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 = s->packet_index;
  52                 __entry->irq = !!in_interrupt();
  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>