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>
79