drivers/usb/gadget/function/uvc_trace.h

   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 <[email protected]>
   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
  21 DECLARE_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
  40 DEFINE_EVENT(uvcg_video_req, uvcg_video_complete,
  41         TP_PROTO(struct usb_request *req, u32 queued),
  42         TP_ARGS(req, queued)
  43 );
  44
  45 DEFINE_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>