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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/sound/firewire/motu/amdtp-motu-trace.h
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/* SPDX-License-Identifier: GPL-2.0-only */

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/*

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 * amdtp-motu-trace.h - tracepoint definitions to dump a part of packet data

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 *

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 * Copyright (c) 2017 Takashi Sakamoto

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 */

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#undef TRACE_SYSTEM

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#define TRACE_SYSTEM		snd_firewire_motu

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

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#define _SND_FIREWIRE_MOTU_TRACE_H

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#include <linux/tracepoint.h>

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static void copy_sph(u32 *frame, __be32 *buffer, unsigned int data_blocks,

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		     unsigned int data_block_quadlets);

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static void copy_message(u64 *frames, __be32 *buffer, unsigned int data_blocks,

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			 unsigned int data_block_quadlets);

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TRACE_EVENT(data_block_sph,

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	TP_PROTO(struct amdtp_stream *s, unsigned int data_blocks, __be32 *buffer),

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	TP_ARGS(s, data_blocks, buffer),

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	TP_STRUCT__entry(

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		__field(int, src)

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		__field(int, dst)

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		__field(unsigned int, data_blocks)

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		__dynamic_array(u32, tstamps, data_blocks)

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	),

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	TP_fast_assign(

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		if (s->direction == AMDTP_IN_STREAM) {

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			__entry->src = fw_parent_device(s->unit)->node_id;

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			__entry->dst = fw_parent_device(s->unit)->card->node_id;

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		} else {

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			__entry->src = fw_parent_device(s->unit)->card->node_id;

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			__entry->dst = fw_parent_device(s->unit)->node_id;

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		}

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		__entry->data_blocks = data_blocks;

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		copy_sph(__get_dynamic_array(tstamps), buffer, data_blocks, s->data_block_quadlets);

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	),

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	TP_printk(

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		"%04x %04x %u %s",

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		__entry->src,

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		__entry->dst,

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		__entry->data_blocks,

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		__print_array(__get_dynamic_array(tstamps), __entry->data_blocks, 4)

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	)

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);

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TRACE_EVENT(data_block_message,

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	TP_PROTO(struct amdtp_stream *s, unsigned int data_blocks, __be32 *buffer),

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	TP_ARGS(s, data_blocks, buffer),

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	TP_STRUCT__entry(

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		__field(int, src)

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		__field(int, dst)

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		__field(unsigned int, data_blocks)

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		__dynamic_array(u64, messages, data_blocks)

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	),

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	TP_fast_assign(

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		if (s->direction == AMDTP_IN_STREAM) {

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			__entry->src = fw_parent_device(s->unit)->node_id;

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			__entry->dst = fw_parent_device(s->unit)->card->node_id;

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		} else {

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			__entry->src = fw_parent_device(s->unit)->card->node_id;

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			__entry->dst = fw_parent_device(s->unit)->node_id;

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		}

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		__entry->data_blocks = data_blocks;

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		copy_message(__get_dynamic_array(messages), buffer, data_blocks, s->data_block_quadlets);

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	),

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	TP_printk(

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		"%04x %04x %u %s",

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		__entry->src,

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		__entry->dst,

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		__entry->data_blocks,

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		__print_array(__get_dynamic_array(messages), __entry->data_blocks, 8)

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	)

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);

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#endif

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#undef TRACE_INCLUDE_PATH

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#define TRACE_INCLUDE_PATH	.

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#undef TRACE_INCLUDE_FILE

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#define TRACE_INCLUDE_FILE	amdtp-motu-trace

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#include <trace/define_trace.h>

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