sound/firewire/motu/amdtp-motu-trace.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * amdtp-motu-trace.h - tracepoint definitions to dump a part of packet data
   4  *
   5  * Copyright (c) 2017 Takashi Sakamoto
   6  */
   7
   8 #undef TRACE_SYSTEM
   9 #define TRACE_SYSTEM            snd_firewire_motu
  10
  11 #if !defined(_SND_FIREWIRE_MOTU_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
  12 #define _SND_FIREWIRE_MOTU_TRACE_H
  13
  14 #include <linux/tracepoint.h>
  15
  16 static void copy_sph(u32 *frame, __be32 *buffer, unsigned int data_blocks,
  17                      unsigned int data_block_quadlets);
  18 static void copy_message(u64 *frames, __be32 *buffer, unsigned int data_blocks,
  19                          unsigned int data_block_quadlets);
  20
  21 TRACE_EVENT(data_block_sph,
  22         TP_PROTO(struct amdtp_stream *s, unsigned int data_blocks, __be32 *buffer),
  23         TP_ARGS(s, data_blocks, buffer),
  24         TP_STRUCT__entry(
  25                 __field(int, src)
  26                 __field(int, dst)
  27                 __field(unsigned int, data_blocks)
  28                 __dynamic_array(u32, tstamps, data_blocks)
  29         ),
  30         TP_fast_assign(
  31                 if (s->direction == AMDTP_IN_STREAM) {
  32                         __entry->src = fw_parent_device(s->unit)->node_id;
  33                         __entry->dst = fw_parent_device(s->unit)->card->node_id;
  34                 } else {
  35                         __entry->src = fw_parent_device(s->unit)->card->node_id;
  36                         __entry->dst = fw_parent_device(s->unit)->node_id;
  37                 }
  38                 __entry->data_blocks = data_blocks;
  39                 copy_sph(__get_dynamic_array(tstamps), buffer, data_blocks, s->data_block_quadlets);
  40         ),
  41         TP_printk(
  42                 "%04x %04x %u %s",
  43                 __entry->src,
  44                 __entry->dst,
  45                 __entry->data_blocks,
  46                 __print_array(__get_dynamic_array(tstamps), __entry->data_blocks, 4)
  47         )
  48 );
  49
  50 TRACE_EVENT(data_block_message,
  51         TP_PROTO(struct amdtp_stream *s, unsigned int data_blocks, __be32 *buffer),
  52         TP_ARGS(s, data_blocks, buffer),
  53         TP_STRUCT__entry(
  54                 __field(int, src)
  55                 __field(int, dst)
  56                 __field(unsigned int, data_blocks)
  57                 __dynamic_array(u64, messages, data_blocks)
  58         ),
  59         TP_fast_assign(
  60                 if (s->direction == AMDTP_IN_STREAM) {
  61                         __entry->src = fw_parent_device(s->unit)->node_id;
  62                         __entry->dst = fw_parent_device(s->unit)->card->node_id;
  63                 } else {
  64                         __entry->src = fw_parent_device(s->unit)->card->node_id;
  65                         __entry->dst = fw_parent_device(s->unit)->node_id;
  66                 }
  67                 __entry->data_blocks = data_blocks;
  68                 copy_message(__get_dynamic_array(messages), buffer, data_blocks, s->data_block_quadlets);
  69         ),
  70         TP_printk(
  71                 "%04x %04x %u %s",
  72                 __entry->src,
  73                 __entry->dst,
  74                 __entry->data_blocks,
  75                 __print_array(__get_dynamic_array(messages), __entry->data_blocks, 8)
  76         )
  77 );
  78
  79 #endif
  80
  81 #undef TRACE_INCLUDE_PATH
  82 #define TRACE_INCLUDE_PATH      .
  83 #undef TRACE_INCLUDE_FILE
  84 #define TRACE_INCLUDE_FILE      amdtp-motu-trace
  85 #include <trace/define_trace.h>