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 packet_index, unsigned int index, u32 curr_cycle_time),
18 	TP_ARGS(s, cycles, cip_header, payload_length, data_blocks, data_block_counter, packet_index, index, curr_cycle_time),
19 	TP_STRUCT__entry(
20 		__field(unsigned int, cycle_time)
21 		__field(unsigned int, second)
22 		__field(unsigned int, cycle)
23 		__field(int, channel)
24 		__field(int, src)
25 		__field(int, dest)
26 		__dynamic_array(u8, cip_header, cip_header ? 8 : 0)
27 		__field(unsigned int, payload_quadlets)
28 		__field(unsigned int, data_blocks)
29 		__field(unsigned int, data_block_counter)
30 		__field(unsigned int, packet_index)
31 		__field(unsigned int, irq)
32 		__field(unsigned int, index)
33 	),
34 	TP_fast_assign(
35 		__entry->cycle_time = curr_cycle_time;
36 		__entry->second = cycles / CYCLES_PER_SECOND;
37 		__entry->cycle = cycles % CYCLES_PER_SECOND;
38 		__entry->channel = s->context->channel;
39 		if (s->direction == AMDTP_IN_STREAM) {
40 			__entry->src = fw_parent_device(s->unit)->node_id;
41 			__entry->dest = fw_parent_device(s->unit)->card->node_id;
42 		} else {
43 			__entry->src = fw_parent_device(s->unit)->card->node_id;
44 			__entry->dest = fw_parent_device(s->unit)->node_id;
45 		}
46 		if (cip_header) {
47 			memcpy(__get_dynamic_array(cip_header), cip_header,
48 			       __get_dynamic_array_len(cip_header));
49 		}
50 		__entry->payload_quadlets = payload_length / sizeof(__be32);
51 		__entry->data_blocks = data_blocks;
52 		__entry->data_block_counter = data_block_counter,
53 		__entry->packet_index = packet_index;
54 		__entry->irq = !!in_softirq();
55 		__entry->index = index;
56 	),
57 	TP_printk(
58 		"%08x %02u %04u %04x %04x %02d %03u %02u %03u %02u %01u %02u %s",
59 		__entry->cycle_time,
60 		__entry->second,
61 		__entry->cycle,
62 		__entry->src,
63 		__entry->dest,
64 		__entry->channel,
65 		__entry->payload_quadlets,
66 		__entry->data_blocks,
67 		__entry->data_block_counter,
68 		__entry->packet_index,
69 		__entry->irq,
70 		__entry->index,
71 		__print_array(__get_dynamic_array(cip_header),
72 			      __get_dynamic_array_len(cip_header), 1))
73 );
74 
75 #endif
76 
77 #undef TRACE_INCLUDE_PATH
78 #define TRACE_INCLUDE_PATH	.
79 #undef TRACE_INCLUDE_FILE
80 #define TRACE_INCLUDE_FILE	amdtp-stream-trace
81 #include <trace/define_trace.h>
82