| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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| 2 | /* |
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| 3 | * trace.h - USB UVC Gadget Trace Support |
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| 4 | * |
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| 5 | * Copyright (C) 2024 Pengutronix e.K. |
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| 6 | * |
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| 7 | * Author: Michael Grzeschik <m.grzeschik@pengutronix.de> |
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| 8 | */ |
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| 9 | |
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| 10 | #undef TRACE_SYSTEM |
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| 11 | #define TRACE_SYSTEM uvcg |
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| 12 | |
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| 13 | #if !defined(__UVCG_TRACE_H) || defined(TRACE_HEADER_MULTI_READ) |
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| 14 | #define __UVCG_TRACE_H |
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| 15 | |
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| 16 | #include <linux/types.h> |
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| 17 | #include <linux/tracepoint.h> |
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| 18 | #include <linux/usb/gadget.h> |
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| 19 | #include <asm/byteorder.h> |
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| 20 | |
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| 21 | DECLARE_EVENT_CLASS(uvcg_video_req, |
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| 22 | TP_PROTO(struct usb_request *req, u32 queued), |
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| 23 | TP_ARGS(req, queued), |
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| 24 | TP_STRUCT__entry( |
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| 25 | __field(struct usb_request *, req) |
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| 26 | __field(u32, length) |
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| 27 | __field(u32, queued) |
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| 28 | ), |
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| 29 | TP_fast_assign( |
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| 30 | __entry->req = req; |
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| 31 | __entry->length = req->length; |
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| 32 | __entry->queued = queued; |
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| 33 | ), |
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| 34 | TP_printk("req %p length %u queued %u" , |
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| 35 | __entry->req, |
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| 36 | __entry->length, |
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| 37 | __entry->queued) |
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| 38 | ); |
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| 39 | |
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| 40 | DEFINE_EVENT(uvcg_video_req, uvcg_video_complete, |
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| 41 | TP_PROTO(struct usb_request *req, u32 queued), |
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| 42 | TP_ARGS(req, queued) |
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| 43 | ); |
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| 44 | |
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| 45 | DEFINE_EVENT(uvcg_video_req, uvcg_video_queue, |
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| 46 | TP_PROTO(struct usb_request *req, u32 queued), |
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| 47 | TP_ARGS(req, queued) |
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| 48 | ); |
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| 49 | |
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| 50 | #endif /* __UVCG_TRACE_H */ |
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| 51 | |
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| 52 | /* this part has to be here */ |
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| 53 | |
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| 54 | #undef TRACE_INCLUDE_PATH |
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| 55 | #define TRACE_INCLUDE_PATH . |
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| 56 | |
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| 57 | #undef TRACE_INCLUDE_FILE |
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| 58 | #define TRACE_INCLUDE_FILE uvc_trace |
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| 59 | |
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| 60 | #include <trace/define_trace.h> |
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| 61 | |
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