add new system file

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2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/sound/firewire/amdtp-stream-trace.h
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@@ -1,8 +1,8 @@
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+/* SPDX-License-Identifier: GPL-2.0-only */
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 /*
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  * amdtp-stream-trace.h - tracepoint definitions to dump a part of packet data
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  *
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  * Copyright (c) 2016 Takashi Sakamoto
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- * Licensed under the terms of the GNU General Public License, version 2.
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  */
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 #undef TRACE_SYSTEM
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@@ -13,103 +13,16 @@
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 #include <linux/tracepoint.h>
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-TRACE_EVENT(in_packet,
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-	TP_PROTO(const struct amdtp_stream *s, u32 cycles, u32 *cip_header, unsigned int payload_length, unsigned int index),
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-	TP_ARGS(s, cycles, cip_header, payload_length, index),
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+TRACE_EVENT(amdtp_packet,
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+	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),
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+	TP_ARGS(s, cycles, cip_header, payload_length, data_blocks, data_block_counter, packet_index, index),
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 	TP_STRUCT__entry(
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 		__field(unsigned int, second)
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 		__field(unsigned int, cycle)
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 		__field(int, channel)
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 		__field(int, src)
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 		__field(int, dest)
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-		__field(u32, cip_header0)
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-		__field(u32, cip_header1)
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-		__field(unsigned int, payload_quadlets)
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-		__field(unsigned int, packet_index)
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-		__field(unsigned int, irq)
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-		__field(unsigned int, index)
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-	),
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-	TP_fast_assign(
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-		__entry->second = cycles / CYCLES_PER_SECOND;
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-		__entry->cycle = cycles % CYCLES_PER_SECOND;
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-		__entry->channel = s->context->channel;
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-		__entry->src = fw_parent_device(s->unit)->node_id;
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-		__entry->dest = fw_parent_device(s->unit)->card->node_id;
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-		__entry->cip_header0 = cip_header[0];
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-		__entry->cip_header1 = cip_header[1];
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-		__entry->payload_quadlets = payload_length / 4;
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-		__entry->packet_index = s->packet_index;
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-		__entry->irq = !!in_interrupt();
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-		__entry->index = index;
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-	),
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-	TP_printk(
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-		"%02u %04u %04x %04x %02d %08x %08x %03u %02u %01u %02u",
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-		__entry->second,
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-		__entry->cycle,
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-		__entry->src,
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-		__entry->dest,
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-		__entry->channel,
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-		__entry->cip_header0,
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-		__entry->cip_header1,
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-		__entry->payload_quadlets,
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-		__entry->packet_index,
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-		__entry->irq,
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-		__entry->index)
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-);
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-
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-TRACE_EVENT(out_packet,
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-	TP_PROTO(const struct amdtp_stream *s, u32 cycles, __be32 *cip_header, unsigned int payload_length, unsigned int index),
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-	TP_ARGS(s, cycles, cip_header, payload_length, index),
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-	TP_STRUCT__entry(
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-		__field(unsigned int, second)
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-		__field(unsigned int, cycle)
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-		__field(int, channel)
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-		__field(int, src)
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-		__field(int, dest)
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-		__field(u32, cip_header0)
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-		__field(u32, cip_header1)
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-		__field(unsigned int, payload_quadlets)
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-		__field(unsigned int, packet_index)
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-		__field(unsigned int, irq)
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-		__field(unsigned int, index)
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-	),
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-	TP_fast_assign(
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-		__entry->second = cycles / CYCLES_PER_SECOND;
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-		__entry->cycle = cycles % CYCLES_PER_SECOND;
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-		__entry->channel = s->context->channel;
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-		__entry->src = fw_parent_device(s->unit)->card->node_id;
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-		__entry->dest = fw_parent_device(s->unit)->node_id;
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-		__entry->cip_header0 = be32_to_cpu(cip_header[0]);
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-		__entry->cip_header1 = be32_to_cpu(cip_header[1]);
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-		__entry->payload_quadlets = payload_length / 4;
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-		__entry->packet_index = s->packet_index;
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-		__entry->irq = !!in_interrupt();
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-		__entry->index = index;
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-	),
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-	TP_printk(
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-		"%02u %04u %04x %04x %02d %08x %08x %03u %02u %01u %02u",
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-		__entry->second,
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-		__entry->cycle,
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-		__entry->src,
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-		__entry->dest,
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-		__entry->channel,
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-		__entry->cip_header0,
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-		__entry->cip_header1,
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-		__entry->payload_quadlets,
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-		__entry->packet_index,
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-		__entry->irq,
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-		__entry->index)
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-);
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-
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-TRACE_EVENT(in_packet_without_header,
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-	TP_PROTO(const struct amdtp_stream *s, u32 cycles, unsigned int payload_quadlets, unsigned int data_blocks, unsigned int index),
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-	TP_ARGS(s, cycles, payload_quadlets, data_blocks, index),
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-	TP_STRUCT__entry(
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-		__field(unsigned int, second)
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-		__field(unsigned int, cycle)
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-		__field(int, channel)
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-		__field(int, src)
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-		__field(int, dest)
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+		__dynamic_array(u8, cip_header, cip_header ? 8 : 0)
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 		__field(unsigned int, payload_quadlets)
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 		__field(unsigned int, data_blocks)
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 		__field(unsigned int, data_block_counter)
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@@ -121,17 +34,26 @@
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 		__entry->second = cycles / CYCLES_PER_SECOND;
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 		__entry->cycle = cycles % CYCLES_PER_SECOND;
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 		__entry->channel = s->context->channel;
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-		__entry->src = fw_parent_device(s->unit)->node_id;
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-		__entry->dest = fw_parent_device(s->unit)->card->node_id;
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-		__entry->payload_quadlets = payload_quadlets;
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-		__entry->data_blocks = data_blocks,
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-		__entry->data_block_counter = s->data_block_counter,
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-		__entry->packet_index = s->packet_index;
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+		if (s->direction == AMDTP_IN_STREAM) {
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+			__entry->src = fw_parent_device(s->unit)->node_id;
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+			__entry->dest = fw_parent_device(s->unit)->card->node_id;
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+		} else {
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+			__entry->src = fw_parent_device(s->unit)->card->node_id;
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+			__entry->dest = fw_parent_device(s->unit)->node_id;
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+		}
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+		if (cip_header) {
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+			memcpy(__get_dynamic_array(cip_header), cip_header,
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+			       __get_dynamic_array_len(cip_header));
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+		}
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+		__entry->payload_quadlets = payload_length / sizeof(__be32);
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+		__entry->data_blocks = data_blocks;
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+		__entry->data_block_counter = data_block_counter,
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+		__entry->packet_index = packet_index;
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 		__entry->irq = !!in_interrupt();
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 		__entry->index = index;
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 	),
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 	TP_printk(
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-		"%02u %04u %04x %04x %02d %03u %02u %03u %02u %01u %02u",
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+		"%02u %04u %04x %04x %02d %03u %02u %03u %02u %01u %02u %s",
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 		__entry->second,
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 		__entry->cycle,
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 		__entry->src,
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@@ -142,51 +64,9 @@
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 		__entry->data_block_counter,
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 		__entry->packet_index,
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 		__entry->irq,
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-		__entry->index)
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-);
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-
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-TRACE_EVENT(out_packet_without_header,
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-	TP_PROTO(const struct amdtp_stream *s, u32 cycles, unsigned int payload_length, unsigned int data_blocks, unsigned int index),
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-	TP_ARGS(s, cycles, payload_length, data_blocks, index),
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-	TP_STRUCT__entry(
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-		__field(unsigned int, second)
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-		__field(unsigned int, cycle)
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-		__field(int, channel)
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-		__field(int, src)
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-		__field(int, dest)
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-		__field(unsigned int, payload_quadlets)
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-		__field(unsigned int, data_blocks)
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-		__field(unsigned int, data_block_counter)
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-		__field(unsigned int, packet_index)
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-		__field(unsigned int, irq)
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-		__field(unsigned int, index)
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-	),
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-	TP_fast_assign(
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-		__entry->second = cycles / CYCLES_PER_SECOND;
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-		__entry->cycle = cycles % CYCLES_PER_SECOND;
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-		__entry->channel = s->context->channel;
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-		__entry->src = fw_parent_device(s->unit)->card->node_id;
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-		__entry->dest = fw_parent_device(s->unit)->node_id;
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-		__entry->payload_quadlets = payload_length / 4;
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-		__entry->data_blocks = data_blocks,
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-		__entry->data_block_counter = s->data_block_counter,
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-		__entry->packet_index = s->packet_index;
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-		__entry->irq = !!in_interrupt();
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-		__entry->index = index;
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-	),
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-	TP_printk(
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-		"%02u %04u %04x %04x %02d %03u %02u %03u %02u %01u %02u",
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-		__entry->second,
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-		__entry->cycle,
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-		__entry->src,
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-		__entry->dest,
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-		__entry->channel,
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-		__entry->payload_quadlets,
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-		__entry->data_blocks,
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-		__entry->data_block_counter,
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-		__entry->packet_index,
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-		__entry->irq,
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-		__entry->index)
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+		__entry->index,
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+		__print_array(__get_dynamic_array(cip_header),
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+			      __get_dynamic_array_len(cip_header), 1))
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 );
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 #endif