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
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