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>
86