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), 18 TP_ARGS(s, cycles, cip_header, payload_length, data_blocks, data_block_counter, packet_index, 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 = packet_index; 52 __entry->irq = !!in_softirq(); 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