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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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214a983669
commit 814b43127f4ac69332e809152e30773941438aff upstream.
The snd_firewire_lib:amdtp_packet tracepoints event includes index of
packet processed in a context handling. However in IR context, it is not
calculated as expected.
Cc: <stable@vger.kernel.org>
Fixes: 753e717986 ("ALSA: firewire-lib: use packet descriptor for IR context")
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Link: https://lore.kernel.org/r/20210513125652.110249-6-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
79 lines
2.5 KiB
C
79 lines
2.5 KiB
C
/* 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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*/
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM snd_firewire_lib
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#if !defined(_AMDTP_STREAM_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _AMDTP_STREAM_TRACE_H
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#include <linux/tracepoint.h>
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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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__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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__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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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 %s",
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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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__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
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#undef TRACE_INCLUDE_PATH
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#define TRACE_INCLUDE_PATH .
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#undef TRACE_INCLUDE_FILE
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#define TRACE_INCLUDE_FILE amdtp-stream-trace
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#include <trace/define_trace.h>
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