trace.h

 1/* SPDX-License-Identifier: GPL-2.0 */
 2/*
 3 * Copyright (C) 2025 Google LLC
 4 */
 5#undef TRACE_SYSTEM
 6#define TRACE_SYSTEM usbcore
 7
 8#if !defined(_USB_CORE_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
 9#define _USB_CORE_TRACE_H
10
11#include <linux/types.h>
12#include <linux/tracepoint.h>
13#include <linux/usb.h>
14
15DECLARE_EVENT_CLASS(usb_core_log_usb_device,
16	TP_PROTO(struct usb_device *udev),
17	TP_ARGS(udev),
18	TP_STRUCT__entry(
19		__string(name, dev_name(&udev->dev))
20		__field(enum usb_device_speed, speed)
21		__field(enum usb_device_state, state)
22		__field(unsigned short, bus_mA)
23		__field(unsigned, authorized)
24	),
25	TP_fast_assign(
26		__assign_str(name);
27		__entry->speed = udev->speed;
28		__entry->state = udev->state;
29		__entry->bus_mA = udev->bus_mA;
30		__entry->authorized = udev->authorized;
31	),
32	TP_printk("usb %s speed %s state %s %dmA [%s]",
33		__get_str(name),
34		usb_speed_string(__entry->speed),
35		usb_state_string(__entry->state),
36		__entry->bus_mA,
37		__entry->authorized ? "authorized" : "unauthorized")
38);
39
40DEFINE_EVENT(usb_core_log_usb_device, usb_set_device_state,
41	TP_PROTO(struct usb_device *udev),
42	TP_ARGS(udev)
43);
44
45DEFINE_EVENT(usb_core_log_usb_device, usb_alloc_dev,
46	TP_PROTO(struct usb_device *udev),
47	TP_ARGS(udev)
48);
49
50
51#endif /* _USB_CORE_TRACE_H */
52
53/* this part has to be here */
54
55#undef TRACE_INCLUDE_PATH
56#define TRACE_INCLUDE_PATH .
57
58#undef TRACE_INCLUDE_FILE
59#define TRACE_INCLUDE_FILE trace
60
61#include <trace/define_trace.h>