1/* SPDX-License-Identifier: GPL-2.0 */
 2/*
 3 * trace.h - USB UVC Gadget Trace Support
 4 *
 5 * Copyright (C) 2024 Pengutronix e.K.
 6 *
 7 * Author: Michael Grzeschik <m.grzeschik@pengutronix.de>
 8 */
 9
10#undef TRACE_SYSTEM
11#define TRACE_SYSTEM uvcg
12
13#if !defined(__UVCG_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
14#define __UVCG_TRACE_H
15
16#include <linux/types.h>
17#include <linux/tracepoint.h>
18#include <linux/usb/gadget.h>
19#include <asm/byteorder.h>
20
21DECLARE_EVENT_CLASS(uvcg_video_req,
22	TP_PROTO(struct usb_request *req, u32 queued),
23	TP_ARGS(req, queued),
24	TP_STRUCT__entry(
25		__field(struct usb_request *, req)
26		__field(u32, length)
27		__field(u32, queued)
28	),
29	TP_fast_assign(
30		__entry->req = req;
31		__entry->length = req->length;
32		__entry->queued = queued;
33	),
34	TP_printk("req %p length %u queued %u",
35		__entry->req,
36		__entry->length,
37		__entry->queued)
38);
39
40DEFINE_EVENT(uvcg_video_req, uvcg_video_complete,
41	TP_PROTO(struct usb_request *req, u32 queued),
42	TP_ARGS(req, queued)
43);
44
45DEFINE_EVENT(uvcg_video_req, uvcg_video_queue,
46	TP_PROTO(struct usb_request *req, u32 queued),
47	TP_ARGS(req, queued)
48);
49
50#endif /* __UVCG_TRACE_H */
51
52/* this part has to be here */
53
54#undef TRACE_INCLUDE_PATH
55#define TRACE_INCLUDE_PATH .
56
57#undef TRACE_INCLUDE_FILE
58#define TRACE_INCLUDE_FILE uvc_trace
59
60#include <trace/define_trace.h>