| 1 |
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| 2 | |
| 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 <[email protected]>
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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
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| 51 |
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| 52 |
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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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