Файловый менеджер - Редактировать - /usr/src/linux-headers-5.4.0-200/include/trace/events/i2c.h
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/* SPDX-License-Identifier: GPL-2.0-or-later */ /* I2C message transfer tracepoints * * Copyright (C) 2013 Red Hat, Inc. All Rights Reserved. * Written by David Howells (dhowells@redhat.com) */ #undef TRACE_SYSTEM #define TRACE_SYSTEM i2c #if !defined(_TRACE_I2C_H) || defined(TRACE_HEADER_MULTI_READ) #define _TRACE_I2C_H #include <linux/i2c.h> #include <linux/tracepoint.h> /* * drivers/i2c/i2c-core-base.c */ extern int i2c_transfer_trace_reg(void); extern void i2c_transfer_trace_unreg(void); /* * __i2c_transfer() write request */ TRACE_EVENT_FN(i2c_write, TP_PROTO(const struct i2c_adapter *adap, const struct i2c_msg *msg, int num), TP_ARGS(adap, msg, num), TP_STRUCT__entry( __field(int, adapter_nr ) __field(__u16, msg_nr ) __field(__u16, addr ) __field(__u16, flags ) __field(__u16, len ) __dynamic_array(__u8, buf, msg->len) ), TP_fast_assign( __entry->adapter_nr = adap->nr; __entry->msg_nr = num; __entry->addr = msg->addr; __entry->flags = msg->flags; __entry->len = msg->len; memcpy(__get_dynamic_array(buf), msg->buf, msg->len); ), TP_printk("i2c-%d #%u a=%03x f=%04x l=%u [%*phD]", __entry->adapter_nr, __entry->msg_nr, __entry->addr, __entry->flags, __entry->len, __entry->len, __get_dynamic_array(buf) ), i2c_transfer_trace_reg, i2c_transfer_trace_unreg); /* * __i2c_transfer() read request */ TRACE_EVENT_FN(i2c_read, TP_PROTO(const struct i2c_adapter *adap, const struct i2c_msg *msg, int num), TP_ARGS(adap, msg, num), TP_STRUCT__entry( __field(int, adapter_nr ) __field(__u16, msg_nr ) __field(__u16, addr ) __field(__u16, flags ) __field(__u16, len ) ), TP_fast_assign( __entry->adapter_nr = adap->nr; __entry->msg_nr = num; __entry->addr = msg->addr; __entry->flags = msg->flags; __entry->len = msg->len; ), TP_printk("i2c-%d #%u a=%03x f=%04x l=%u", __entry->adapter_nr, __entry->msg_nr, __entry->addr, __entry->flags, __entry->len ), i2c_transfer_trace_reg, i2c_transfer_trace_unreg); /* * __i2c_transfer() read reply */ TRACE_EVENT_FN(i2c_reply, TP_PROTO(const struct i2c_adapter *adap, const struct i2c_msg *msg, int num), TP_ARGS(adap, msg, num), TP_STRUCT__entry( __field(int, adapter_nr ) __field(__u16, msg_nr ) __field(__u16, addr ) __field(__u16, flags ) __field(__u16, len ) __dynamic_array(__u8, buf, msg->len) ), TP_fast_assign( __entry->adapter_nr = adap->nr; __entry->msg_nr = num; __entry->addr = msg->addr; __entry->flags = msg->flags; __entry->len = msg->len; memcpy(__get_dynamic_array(buf), msg->buf, msg->len); ), TP_printk("i2c-%d #%u a=%03x f=%04x l=%u [%*phD]", __entry->adapter_nr, __entry->msg_nr, __entry->addr, __entry->flags, __entry->len, __entry->len, __get_dynamic_array(buf) ), i2c_transfer_trace_reg, i2c_transfer_trace_unreg); /* * __i2c_transfer() result */ TRACE_EVENT_FN(i2c_result, TP_PROTO(const struct i2c_adapter *adap, int num, int ret), TP_ARGS(adap, num, ret), TP_STRUCT__entry( __field(int, adapter_nr ) __field(__u16, nr_msgs ) __field(__s16, ret ) ), TP_fast_assign( __entry->adapter_nr = adap->nr; __entry->nr_msgs = num; __entry->ret = ret; ), TP_printk("i2c-%d n=%u ret=%d", __entry->adapter_nr, __entry->nr_msgs, __entry->ret ), i2c_transfer_trace_reg, i2c_transfer_trace_unreg); #endif /* _TRACE_I2C_H */ /* This part must be outside protection */ #include <trace/define_trace.h>
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