sound/firewire/amdtp-stream-trace.h

0001 /* SPDX-License-Identifier: GPL-2.0-only */
0002 /*
0003  * amdtp-stream-trace.h - tracepoint definitions to dump a part of packet data
0004  *
0005  * Copyright (c) 2016 Takashi Sakamoto
0006  */
0007
0008 #undef TRACE_SYSTEM
0009 #define TRACE_SYSTEM        snd_firewire_lib
0010
0011 #if !defined(_AMDTP_STREAM_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
0012 #define _AMDTP_STREAM_TRACE_H
0013
0014 #include <linux/tracepoint.h>
0015
0016 TRACE_EVENT(amdtp_packet,
0017     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),
0018     TP_ARGS(s, cycles, cip_header, payload_length, data_blocks, data_block_counter, packet_index, index),
0019     TP_STRUCT__entry(
0020         __field(unsigned int, second)
0021         __field(unsigned int, cycle)
0022         __field(int, channel)
0023         __field(int, src)
0024         __field(int, dest)
0025         __dynamic_array(u8, cip_header, cip_header ? 8 : 0)
0026         __field(unsigned int, payload_quadlets)
0027         __field(unsigned int, data_blocks)
0028         __field(unsigned int, data_block_counter)
0029         __field(unsigned int, packet_index)
0030         __field(unsigned int, irq)
0031         __field(unsigned int, index)
0032     ),
0033     TP_fast_assign(
0034         __entry->second = cycles / CYCLES_PER_SECOND;
0035         __entry->cycle = cycles % CYCLES_PER_SECOND;
0036         __entry->channel = s->context->channel;
0037         if (s->direction == AMDTP_IN_STREAM) {
0038             __entry->src = fw_parent_device(s->unit)->node_id;
0039             __entry->dest = fw_parent_device(s->unit)->card->node_id;
0040         } else {
0041             __entry->src = fw_parent_device(s->unit)->card->node_id;
0042             __entry->dest = fw_parent_device(s->unit)->node_id;
0043         }
0044         if (cip_header) {
0045             memcpy(__get_dynamic_array(cip_header), cip_header,
0046                    __get_dynamic_array_len(cip_header));
0047         }
0048         __entry->payload_quadlets = payload_length / sizeof(__be32);
0049         __entry->data_blocks = data_blocks;
0050         __entry->data_block_counter = data_block_counter,
0051         __entry->packet_index = packet_index;
0052         __entry->irq = !!in_softirq();
0053         __entry->index = index;
0054     ),
0055     TP_printk(
0056         "%02u %04u %04x %04x %02d %03u %02u %03u %02u %01u %02u %s",
0057         __entry->second,
0058         __entry->cycle,
0059         __entry->src,
0060         __entry->dest,
0061         __entry->channel,
0062         __entry->payload_quadlets,
0063         __entry->data_blocks,
0064         __entry->data_block_counter,
0065         __entry->packet_index,
0066         __entry->irq,
0067         __entry->index,
0068         __print_array(__get_dynamic_array(cip_header),
0069                   __get_dynamic_array_len(cip_header), 1))
0070 );
0071
0072 #endif
0073
0074 #undef TRACE_INCLUDE_PATH
0075 #define TRACE_INCLUDE_PATH  .
0076 #undef TRACE_INCLUDE_FILE
0077 #define TRACE_INCLUDE_FILE  amdtp-stream-trace
0078 #include <trace/define_trace.h>