1/* SPDX-License-Identifier: GPL-2.0 */
2#if !defined(_TRACE_PWC_H) || defined(TRACE_HEADER_MULTI_READ)
3#define _TRACE_PWC_H
4
5#include <linux/usb.h>
6#include <linux/tracepoint.h>
7
8#undef TRACE_SYSTEM
9#define TRACE_SYSTEM pwc
10
11TRACE_EVENT(pwc_handler_enter,
12 TP_PROTO(struct urb *urb, struct pwc_device *pdev),
13 TP_ARGS(urb, pdev),
14 TP_STRUCT__entry(
15 __field(struct urb*, urb)
16 __field(struct pwc_frame_buf*, fbuf)
17 __field(int, urb__status)
18 __field(u32, urb__actual_length)
19 __field(int, fbuf__filled)
20 __string(name, pdev->v4l2_dev.name)
21 ),
22 TP_fast_assign(
23 __entry->urb = urb;
24 __entry->fbuf = pdev->fill_buf;
25 __entry->urb__status = urb->status;
26 __entry->urb__actual_length = urb->actual_length;
27 __entry->fbuf__filled = (pdev->fill_buf
28 ? pdev->fill_buf->filled : 0);
29 __assign_str(name, pdev->v4l2_dev.name);
30 ),
31 TP_printk("dev=%s (fbuf=%p filled=%d) urb=%p (status=%d actual_length=%u)",
32 __get_str(name),
33 __entry->fbuf,
34 __entry->fbuf__filled,
35 __entry->urb,
36 __entry->urb__status,
37 __entry->urb__actual_length)
38);
39
40TRACE_EVENT(pwc_handler_exit,
41 TP_PROTO(struct urb *urb, struct pwc_device *pdev),
42 TP_ARGS(urb, pdev),
43 TP_STRUCT__entry(
44 __field(struct urb*, urb)
45 __field(struct pwc_frame_buf*, fbuf)
46 __field(int, fbuf__filled)
47 __string(name, pdev->v4l2_dev.name)
48 ),
49 TP_fast_assign(
50 __entry->urb = urb;
51 __entry->fbuf = pdev->fill_buf;
52 __entry->fbuf__filled = pdev->fill_buf->filled;
53 __assign_str(name, pdev->v4l2_dev.name);
54 ),
55 TP_printk(" dev=%s (fbuf=%p filled=%d) urb=%p",
56 __get_str(name),
57 __entry->fbuf,
58 __entry->fbuf__filled,
59 __entry->urb)
60);
61
62#endif /* _TRACE_PWC_H */
63
64/* This part must be outside protection */
65#include <trace/define_trace.h>
66

source code of linux/include/trace/events/pwc.h