1// SPDX-License-Identifier: GPL-2.0-or-later
  2// Copyright (c) 2024 Takashi Sakamoto
  3
  4#undef TRACE_SYSTEM
  5#define TRACE_SYSTEM	firewire_ohci
  6
  7#if !defined(_FIREWIRE_OHCI_TRACE_EVENT_H) || defined(TRACE_HEADER_MULTI_READ)
  8#define _FIREWIRE_OHCI_TRACE_EVENT_H
  9
 10#include <linux/tracepoint.h>
 11
 12// Some macros and helper functions are defined in 'drivers/firewire/ohci.c'.
 13
 14TRACE_EVENT(irqs,
 15	TP_PROTO(unsigned int card_index, u32 events),
 16	TP_ARGS(card_index, events),
 17	TP_STRUCT__entry(
 18		__field(u8, card_index)
 19		__field(u32, events)
 20	),
 21	TP_fast_assign(
 22		__entry->card_index = card_index;
 23		__entry->events = events;
 24	),
 25	TP_printk(
 26		"card_index=%u events=%s",
 27		__entry->card_index,
 28		__print_flags(__entry->events, "|",
 29			{ OHCI1394_selfIDComplete,	"selfIDComplete" },
 30			{ OHCI1394_RQPkt,		"RQPkt" },
 31			{ OHCI1394_RSPkt,		"RSPkt" },
 32			{ OHCI1394_reqTxComplete,	"reqTxComplete" },
 33			{ OHCI1394_respTxComplete,	"respTxComplete" },
 34			{ OHCI1394_isochRx,		"isochRx" },
 35			{ OHCI1394_isochTx,		"isochTx" },
 36			{ OHCI1394_postedWriteErr,	"postedWriteErr" },
 37			{ OHCI1394_cycleTooLong,	"cycleTooLong" },
 38			{ OHCI1394_cycle64Seconds,	"cycle64Seconds" },
 39			{ OHCI1394_cycleInconsistent,	"cycleInconsistent" },
 40			{ OHCI1394_regAccessFail,	"regAccessFail" },
 41			{ OHCI1394_unrecoverableError,	"unrecoverableError" },
 42			{ OHCI1394_busReset,		"busReset" }
 43		)
 44	)
 45);
 46
 47#define QUADLET_SIZE	4
 48
 49#define SELF_ID_COUNT_IS_ERROR(reg)	\
 50	(!!(((reg) & OHCI1394_SelfIDCount_selfIDError_MASK) >> OHCI1394_SelfIDCount_selfIDError_SHIFT))
 51
 52#define SELF_ID_COUNT_GET_GENERATION(reg)	\
 53	(((reg) & OHCI1394_SelfIDCount_selfIDGeneration_MASK) >> OHCI1394_SelfIDCount_selfIDGeneration_SHIFT)
 54
 55#define SELF_ID_RECEIVE_Q0_GET_GENERATION(quadlet)	\
 56	(((quadlet) & OHCI1394_SELF_ID_RECEIVE_Q0_GENERATION_MASK) >> OHCI1394_SELF_ID_RECEIVE_Q0_GENERATION_SHIFT)
 57
 58#define SELF_ID_RECEIVE_Q0_GET_TIMESTAMP(quadlet)	\
 59	(((quadlet) & OHCI1394_SELF_ID_RECEIVE_Q0_TIMESTAMP_MASK) >> OHCI1394_SELF_ID_RECEIVE_Q0_TIMESTAMP_SHIFT)
 60
 61TRACE_EVENT(self_id_complete,
 62	TP_PROTO(unsigned int card_index, u32 reg, const __le32 *self_id_receive, bool has_be_header_quirk),
 63	TP_ARGS(card_index, reg, self_id_receive, has_be_header_quirk),
 64	TP_STRUCT__entry(
 65		__field(u8, card_index)
 66		__field(u32, reg)
 67		__dynamic_array(u32, self_id_receive, ohci1394_self_id_count_get_size(reg))
 68	),
 69	TP_fast_assign(
 70		__entry->card_index = card_index;
 71		__entry->reg = reg;
 72		{
 73			u32 *ptr = __get_dynamic_array(self_id_receive);
 74			int i;
 75
 76			for (i = 0; i < __get_dynamic_array_len(self_id_receive) / QUADLET_SIZE; ++i)
 77				ptr[i] = cond_le32_to_cpu(self_id_receive[i], has_be_header_quirk);
 78		}
 79	),
 80	TP_printk(
 81		"card_index=%u is_error=%s generation_at_bus_reset=%u generation_at_completion=%u timestamp=0x%04x packet_data=%s",
 82		__entry->card_index,
 83		SELF_ID_COUNT_IS_ERROR(__entry->reg) ? "true" : "false",
 84		SELF_ID_COUNT_GET_GENERATION(__entry->reg),
 85		SELF_ID_RECEIVE_Q0_GET_GENERATION(((const u32 *)__get_dynamic_array(self_id_receive))[0]),
 86		SELF_ID_RECEIVE_Q0_GET_TIMESTAMP(((const u32 *)__get_dynamic_array(self_id_receive))[0]),
 87		__print_array(((const u32 *)__get_dynamic_array(self_id_receive)) + 1,
 88			      (__get_dynamic_array_len(self_id_receive) / QUADLET_SIZE) - 1, QUADLET_SIZE)
 89	)
 90);
 91
 92#undef SELF_ID_COUNT_IS_ERROR
 93#undef SELF_ID_COUNT_GET_GENERATION
 94#undef SELF_ID_RECEIVE_Q0_GET_GENERATION
 95#undef SELF_ID_RECEIVE_Q0_GET_TIMESTAMP
 96
 97#undef QUADLET_SIZE
 98
 99#endif // _FIREWIRE_OHCI_TRACE_EVENT_H
100
101#include <trace/define_trace.h>