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linux/include/trace/events/firewire.h
Takashi Sakamoto 2c945b10d7 firewire: core: add tracepoint event for asynchronous inbound request 
This commit adds an event for asynchronous inbound request.

The following example is for asynchronous block write request as IEC
61883-1 FCP request from node 0xffc1.

async_request_inbound: \
  transaction=0xffff89fa08cf16c0 generation=4 scode=2 status=2 \
  timestamp=0x00b3 dst_id=0xffc0 tlabel=19 tcode=1 src_id=0xffc1 \
  offset=0xfffff0000d00 header={0xffc04d10,0xffc1ffff,0xf0000d00,0x80000} \
  data={0x19ff08,0xffff0090}

Link: https://lore.kernel.org/r/20240429043218.609398-5-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
2024-05-06 11:06:05 +09:00

188 lines
7.2 KiB
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// SPDX-License-Identifier: GPL-2.0-or-later
// Copyright (c) 2024 Takashi Sakamoto
#define TRACE_SYSTEM firewire
#if !defined(_FIREWIRE_TRACE_EVENT_H) || defined(TRACE_HEADER_MULTI_READ)
#define _FIREWIRE_TRACE_EVENT_H
#include <linux/tracepoint.h>
#include <linux/firewire.h>
#include <linux/firewire-constants.h>
#include "../../../drivers/firewire/packet-header-definitions.h"
// The content of TP_printk field is preprocessed, then put to the module binary.
#define ASYNC_HEADER_GET_DESTINATION(header) \
(((header)[0] & ASYNC_HEADER_Q0_DESTINATION_MASK) >> ASYNC_HEADER_Q0_DESTINATION_SHIFT)
#define ASYNC_HEADER_GET_TLABEL(header) \
(((header)[0] & ASYNC_HEADER_Q0_TLABEL_MASK) >> ASYNC_HEADER_Q0_TLABEL_SHIFT)
#define ASYNC_HEADER_GET_TCODE(header) \
(((header)[0] & ASYNC_HEADER_Q0_TCODE_MASK) >> ASYNC_HEADER_Q0_TCODE_SHIFT)
#define ASYNC_HEADER_GET_SOURCE(header) \
(((header)[1] & ASYNC_HEADER_Q1_SOURCE_MASK) >> ASYNC_HEADER_Q1_SOURCE_SHIFT)
#define ASYNC_HEADER_GET_OFFSET(header) \
((((unsigned long long)((header)[1] & ASYNC_HEADER_Q1_OFFSET_HIGH_MASK)) >> ASYNC_HEADER_Q1_OFFSET_HIGH_SHIFT) << 32)| \
(header)[2]
#define ASYNC_HEADER_GET_RCODE(header) \
(((header)[1] & ASYNC_HEADER_Q1_RCODE_MASK) >> ASYNC_HEADER_Q1_RCODE_SHIFT)
#define QUADLET_SIZE 4
DECLARE_EVENT_CLASS(async_outbound_initiate_template,
TP_PROTO(u64 transaction, unsigned int generation, unsigned int scode, const u32 *header, const u32 *data, unsigned int data_count),
TP_ARGS(transaction, generation, scode, header, data, data_count),
TP_STRUCT__entry(
__field(u64, transaction)
__field(u8, generation)
__field(u8, scode)
__array(u32, header, ASYNC_HEADER_QUADLET_COUNT)
__dynamic_array(u32, data, data_count)
),
TP_fast_assign(
__entry->transaction = transaction;
__entry->generation = generation;
__entry->scode = scode;
memcpy(__entry->header, header, QUADLET_SIZE * ASYNC_HEADER_QUADLET_COUNT);
memcpy(__get_dynamic_array(data), data, __get_dynamic_array_len(data));
),
// This format is for the request subaction.
TP_printk(
"transaction=0x%llx generation=%u scode=%u dst_id=0x%04x tlabel=%u tcode=%u src_id=0x%04x offset=0x%012llx header=%s data=%s",
__entry->transaction,
__entry->generation,
__entry->scode,
ASYNC_HEADER_GET_DESTINATION(__entry->header),
ASYNC_HEADER_GET_TLABEL(__entry->header),
ASYNC_HEADER_GET_TCODE(__entry->header),
ASYNC_HEADER_GET_SOURCE(__entry->header),
ASYNC_HEADER_GET_OFFSET(__entry->header),
__print_array(__entry->header, ASYNC_HEADER_QUADLET_COUNT, QUADLET_SIZE),
__print_array(__get_dynamic_array(data),
__get_dynamic_array_len(data) / QUADLET_SIZE, QUADLET_SIZE)
)
);
// The value of status is one of ack codes and rcodes specific to Linux FireWire subsystem.
DECLARE_EVENT_CLASS(async_outbound_complete_template,
TP_PROTO(u64 transaction, unsigned int generation, unsigned int scode, unsigned int status, unsigned int timestamp),
TP_ARGS(transaction, generation, scode, status, timestamp),
TP_STRUCT__entry(
__field(u64, transaction)
__field(u8, generation)
__field(u8, scode)
__field(u8, status)
__field(u16, timestamp)
),
TP_fast_assign(
__entry->transaction = transaction;
__entry->generation = generation;
__entry->scode = scode;
__entry->status = status;
__entry->timestamp = timestamp;
),
TP_printk(
"transaction=0x%llx generation=%u scode=%u status=%u timestamp=0x%04x",
__entry->transaction,
__entry->generation,
__entry->scode,
__entry->status,
__entry->timestamp
)
);
// The value of status is one of ack codes and rcodes specific to Linux FireWire subsystem.
DECLARE_EVENT_CLASS(async_inbound_template,
TP_PROTO(u64 transaction, unsigned int generation, unsigned int scode, unsigned int status, unsigned int timestamp, const u32 *header, const u32 *data, unsigned int data_count),
TP_ARGS(transaction, generation, scode, status, timestamp, header, data, data_count),
TP_STRUCT__entry(
__field(u64, transaction)
__field(u8, generation)
__field(u8, scode)
__field(u8, status)
__field(u8, timestamp)
__array(u32, header, ASYNC_HEADER_QUADLET_COUNT)
__dynamic_array(u32, data, data_count)
),
TP_fast_assign(
__entry->transaction = transaction;
__entry->generation = generation;
__entry->scode = scode;
__entry->status = status;
__entry->timestamp = timestamp;
memcpy(__entry->header, header, QUADLET_SIZE * ASYNC_HEADER_QUADLET_COUNT);
memcpy(__get_dynamic_array(data), data, __get_dynamic_array_len(data));
),
// This format is for the response subaction.
TP_printk(
"transaction=0x%llx generation=%u scode=%u status=%u timestamp=0x%04x dst_id=0x%04x tlabel=%u tcode=%u src_id=0x%04x rcode=%u header=%s data=%s",
__entry->transaction,
__entry->generation,
__entry->scode,
__entry->status,
__entry->timestamp,
ASYNC_HEADER_GET_DESTINATION(__entry->header),
ASYNC_HEADER_GET_TLABEL(__entry->header),
ASYNC_HEADER_GET_TCODE(__entry->header),
ASYNC_HEADER_GET_SOURCE(__entry->header),
ASYNC_HEADER_GET_RCODE(__entry->header),
__print_array(__entry->header, ASYNC_HEADER_QUADLET_COUNT, QUADLET_SIZE),
__print_array(__get_dynamic_array(data),
__get_dynamic_array_len(data) / QUADLET_SIZE, QUADLET_SIZE)
)
);
DEFINE_EVENT(async_outbound_initiate_template, async_request_outbound_initiate,
TP_PROTO(u64 transaction, unsigned int generation, unsigned int scode, const u32 *header, const u32 *data, unsigned int data_count),
TP_ARGS(transaction, generation, scode, header, data, data_count)
);
DEFINE_EVENT(async_outbound_complete_template, async_request_outbound_complete,
TP_PROTO(u64 transaction, unsigned int generation, unsigned int scode, unsigned int status, unsigned int timestamp),
TP_ARGS(transaction, generation, scode, status, timestamp)
);
DEFINE_EVENT(async_inbound_template, async_response_inbound,
TP_PROTO(u64 transaction, unsigned int generation, unsigned int scode, unsigned int status, unsigned int timestamp, const u32 *header, const u32 *data, unsigned int data_count),
TP_ARGS(transaction, generation, scode, status, timestamp, header, data, data_count)
);
DEFINE_EVENT_PRINT(async_inbound_template, async_request_inbound,
TP_PROTO(u64 transaction, unsigned int generation, unsigned int scode, unsigned int status, unsigned int timestamp, const u32 *header, const u32 *data, unsigned int data_count),
TP_ARGS(transaction, generation, scode, status, timestamp, header, data, data_count),
TP_printk(
"transaction=0x%llx generation=%u scode=%u status=%u timestamp=0x%04x dst_id=0x%04x tlabel=%u tcode=%u src_id=0x%04x offset=0x%012llx header=%s data=%s",
__entry->transaction,
__entry->generation,
__entry->scode,
__entry->status,
__entry->timestamp,
ASYNC_HEADER_GET_DESTINATION(__entry->header),
ASYNC_HEADER_GET_TLABEL(__entry->header),
ASYNC_HEADER_GET_TCODE(__entry->header),
ASYNC_HEADER_GET_SOURCE(__entry->header),
ASYNC_HEADER_GET_OFFSET(__entry->header),
__print_array(__entry->header, ASYNC_HEADER_QUADLET_COUNT, QUADLET_SIZE),
__print_array(__get_dynamic_array(data),
__get_dynamic_array_len(data) / QUADLET_SIZE, QUADLET_SIZE)
)
);
#undef ASYNC_HEADER_GET_DESTINATION
#undef ASYNC_HEADER_GET_TLABEL
#undef ASYNC_HEADER_GET_TCODE
#undef ASYNC_HEADER_GET_SOURCE
#undef ASYNC_HEADER_GET_OFFSET
#undef ASYNC_HEADER_GET_RCODE
#undef QUADLET_SIZE
#endif // _FIREWIRE_TRACE_EVENT_H
#include <trace/define_trace.h>
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