[lttng-modules.git] / include / instrumentation / events / i2c.h

// SPDX-FileCopyrightText: 2016 Simon Marchi <simon.marchi@ericsson.com>
//
// SPDX-License-Identifier: GPL-2.0-only

#undef TRACE_SYSTEM
#define TRACE_SYSTEM i2c

#if !defined(LTTNG_TRACE_I2C_H) || defined(TRACE_HEADER_MULTI_READ)
#define LTTNG_TRACE_I2C_H

#include <lttng/tracepoint-event.h>

/*
 * __i2c_transfer() write request
 */
LTTNG_TRACEPOINT_EVENT_CODE(i2c_write,

	TP_PROTO(const struct i2c_adapter *adap, const struct i2c_msg *msg,
		int num),

	TP_ARGS(adap, msg, num),

	TP_locvar(
		int extract_sensitive_payload;
	),

	TP_code_pre(
		tp_locvar->extract_sensitive_payload =
			LTTNG_READ_ONCE(extract_sensitive_payload);
	),

	TP_FIELDS(
		ctf_integer(int, adapter_nr, adap->nr)
		ctf_integer(__u16, msg_nr, num)
		ctf_integer(__u16, addr, msg->addr)
		ctf_integer(__u16, flags, msg->flags)
		ctf_integer(__u16, len, msg->len)
		ctf_sequence_hex(__u8, buf,
				tp_locvar->extract_sensitive_payload ?
				msg->buf : NULL,
				__u16,
				tp_locvar->extract_sensitive_payload ?
				msg->len : 0)
	),

	TP_code_post()
)

/*
 * __i2c_transfer() read request
 */
LTTNG_TRACEPOINT_EVENT(i2c_read,

	TP_PROTO(const struct i2c_adapter *adap, const struct i2c_msg *msg,
		int num),

	TP_ARGS(adap, msg, num),

	TP_FIELDS(
		ctf_integer(int, adapter_nr, adap->nr)
		ctf_integer(__u16, msg_nr, num)
		ctf_integer(__u16, addr, msg->addr)
		ctf_integer(__u16, flags, msg->flags)
		ctf_integer(__u16, len, msg->len)
	)
)

/*
 * __i2c_transfer() read reply
 */
LTTNG_TRACEPOINT_EVENT_CODE(i2c_reply,

	TP_PROTO(const struct i2c_adapter *adap, const struct i2c_msg *msg,
		int num),

	TP_ARGS(adap, msg, num),

	TP_locvar(
		int extract_sensitive_payload;
	),

	TP_code_pre(
		tp_locvar->extract_sensitive_payload =
			LTTNG_READ_ONCE(extract_sensitive_payload);
	),

	TP_FIELDS(
		ctf_integer(int, adapter_nr, adap->nr)
		ctf_integer(__u16, msg_nr, num)
		ctf_integer(__u16, addr, msg->addr)
		ctf_integer(__u16, flags, msg->flags)
		ctf_integer(__u16, len, msg->len)
		ctf_sequence_hex(__u8, buf,
				tp_locvar->extract_sensitive_payload ?
				msg->buf : NULL,
				__u16,
				tp_locvar->extract_sensitive_payload ?
				msg->len : 0)
	),

	TP_code_post()
)

/*
 * __i2c_transfer() result
 */
LTTNG_TRACEPOINT_EVENT(i2c_result,

	TP_PROTO(const struct i2c_adapter *adap, int num, int ret),

	TP_ARGS(adap, num, ret),

	TP_FIELDS(
		ctf_integer(int, adapter_nr, adap->nr)
		ctf_integer(__u16, nr_msgs, num)
		ctf_integer(__s16, ret, ret)
	)
)

#endif /*  LTTNG_TRACE_I2C_H */

/* This part must be outside protection */
#include <lttng/define_trace.h>
Commit	Line	Data
	1	// SPDX-FileCopyrightText: 2016 Simon Marchi <simon.marchi@ericsson.com>
	2	//
	3	// SPDX-License-Identifier: GPL-2.0-only
	4
	5	#undef TRACE_SYSTEM
	6	#define TRACE_SYSTEM i2c
	7
	8	#if !defined(LTTNG_TRACE_I2C_H) \|\| defined(TRACE_HEADER_MULTI_READ)
	9	#define LTTNG_TRACE_I2C_H
	10
	11	#include <lttng/tracepoint-event.h>
	12
	13	/*
	14	* __i2c_transfer() write request
	15	*/
	16	LTTNG_TRACEPOINT_EVENT_CODE(i2c_write,
	17
	18	TP_PROTO(const struct i2c_adapter adap, const struct i2c_msg msg,
	19	int num),
	20
	21	TP_ARGS(adap, msg, num),
	22
	23	TP_locvar(
	24	int extract_sensitive_payload;
	25	),
	26
	27	TP_code_pre(
	28	tp_locvar->extract_sensitive_payload =
	29	LTTNG_READ_ONCE(extract_sensitive_payload);
	30	),
	31
	32	TP_FIELDS(
	33	ctf_integer(int, adapter_nr, adap->nr)
	34	ctf_integer(__u16, msg_nr, num)
	35	ctf_integer(__u16, addr, msg->addr)
	36	ctf_integer(__u16, flags, msg->flags)
	37	ctf_integer(__u16, len, msg->len)
	38	ctf_sequence_hex(__u8, buf,
	39	tp_locvar->extract_sensitive_payload ?
	40	msg->buf : NULL,
	41	__u16,
	42	tp_locvar->extract_sensitive_payload ?
	43	msg->len : 0)
	44	),
	45
	46	TP_code_post()
	47	)
	48
	49	/*
	50	* __i2c_transfer() read request
	51	*/
	52	LTTNG_TRACEPOINT_EVENT(i2c_read,
	53
	54	TP_PROTO(const struct i2c_adapter adap, const struct i2c_msg msg,
	55	int num),
	56
	57	TP_ARGS(adap, msg, num),
	58
	59	TP_FIELDS(
	60	ctf_integer(int, adapter_nr, adap->nr)
	61	ctf_integer(__u16, msg_nr, num)
	62	ctf_integer(__u16, addr, msg->addr)
	63	ctf_integer(__u16, flags, msg->flags)
	64	ctf_integer(__u16, len, msg->len)
	65	)
	66	)
	67
	68	/*
	69	* __i2c_transfer() read reply
	70	*/
	71	LTTNG_TRACEPOINT_EVENT_CODE(i2c_reply,
	72
	73	TP_PROTO(const struct i2c_adapter adap, const struct i2c_msg msg,
	74	int num),
	75
	76	TP_ARGS(adap, msg, num),
	77
	78	TP_locvar(
	79	int extract_sensitive_payload;
	80	),
	81
	82	TP_code_pre(
	83	tp_locvar->extract_sensitive_payload =
	84	LTTNG_READ_ONCE(extract_sensitive_payload);
	85	),
	86
	87	TP_FIELDS(
	88	ctf_integer(int, adapter_nr, adap->nr)
	89	ctf_integer(__u16, msg_nr, num)
	90	ctf_integer(__u16, addr, msg->addr)
	91	ctf_integer(__u16, flags, msg->flags)
	92	ctf_integer(__u16, len, msg->len)
	93	ctf_sequence_hex(__u8, buf,
	94	tp_locvar->extract_sensitive_payload ?
	95	msg->buf : NULL,
	96	__u16,
	97	tp_locvar->extract_sensitive_payload ?
	98	msg->len : 0)
	99	),
	100
	101	TP_code_post()
	102	)
	103
	104	/*
	105	* __i2c_transfer() result
	106	*/
	107	LTTNG_TRACEPOINT_EVENT(i2c_result,
	108
	109	TP_PROTO(const struct i2c_adapter *adap, int num, int ret),
	110
	111	TP_ARGS(adap, num, ret),
	112
	113	TP_FIELDS(
	114	ctf_integer(int, adapter_nr, adap->nr)
	115	ctf_integer(__u16, nr_msgs, num)
	116	ctf_integer(__s16, ret, ret)
	117	)
	118	)
	119
	120	#endif /* LTTNG_TRACE_I2C_H */
	121
	122	/* This part must be outside protection */
	123	#include <lttng/define_trace.h>