1 files changed, 78 insertions, 0 deletions
diff --git a/sound/firewire/amdtp-stream-trace.h b/sound/firewire/amdtp-stream-trace.h
new file mode 100644
index 000000000..5fd2aeccd
--- /dev/null
+++ b/sound/firewire/amdtp-stream-trace.h
@@ -0,0 +1,78 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * amdtp-stream-trace.h - tracepoint definitions to dump a part of packet data
+ *
+ * Copyright (c) 2016 Takashi Sakamoto
+ */
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM		snd_firewire_lib
+
+#if !defined(_AMDTP_STREAM_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _AMDTP_STREAM_TRACE_H
+
+#include <linux/tracepoint.h>
+
+TRACE_EVENT(amdtp_packet,
+	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),
+	TP_ARGS(s, cycles, cip_header, payload_length, data_blocks, data_block_counter, packet_index, index),
+	TP_STRUCT__entry(
+		__field(unsigned int, second)
+		__field(unsigned int, cycle)
+		__field(int, channel)
+		__field(int, src)
+		__field(int, dest)
+		__dynamic_array(u8, cip_header, cip_header ? 8 : 0)
+		__field(unsigned int, payload_quadlets)
+		__field(unsigned int, data_blocks)
+		__field(unsigned int, data_block_counter)
+		__field(unsigned int, packet_index)
+		__field(unsigned int, irq)
+		__field(unsigned int, index)
+	),
+	TP_fast_assign(
+		__entry->second = cycles / CYCLES_PER_SECOND;
+		__entry->cycle = cycles % CYCLES_PER_SECOND;
+		__entry->channel = s->context->channel;
+		if (s->direction == AMDTP_IN_STREAM) {
+			__entry->src = fw_parent_device(s->unit)->node_id;
+			__entry->dest = fw_parent_device(s->unit)->card->node_id;
+		} else {
+			__entry->src = fw_parent_device(s->unit)->card->node_id;
+			__entry->dest = fw_parent_device(s->unit)->node_id;
+		}
+		if (cip_header) {
+			memcpy(__get_dynamic_array(cip_header), cip_header,
+			       __get_dynamic_array_len(cip_header));
+		}
+		__entry->payload_quadlets = payload_length / sizeof(__be32);
+		__entry->data_blocks = data_blocks;
+		__entry->data_block_counter = data_block_counter,
+		__entry->packet_index = packet_index;
+		__entry->irq = !!in_softirq();
+		__entry->index = index;
+	),
+	TP_printk(
+		"%02u %04u %04x %04x %02d %03u %02u %03u %02u %01u %02u %s",
+		__entry->second,
+		__entry->cycle,
+		__entry->src,
+		__entry->dest,
+		__entry->channel,
+		__entry->payload_quadlets,
+		__entry->data_blocks,
+		__entry->data_block_counter,
+		__entry->packet_index,
+		__entry->irq,
+		__entry->index,
+		__print_array(__get_dynamic_array(cip_header),
+			      __get_dynamic_array_len(cip_header), 1))
+);
+
+#endif
+
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH	.
+#undef TRACE_INCLUDE_FILE
+#define TRACE_INCLUDE_FILE	amdtp-stream-trace
+#include <trace/define_trace.h>