diff options
Diffstat (limited to 'drivers/usb/gadget/function/uvc_trace.h')
| -rw-r--r-- | drivers/usb/gadget/function/uvc_trace.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/drivers/usb/gadget/function/uvc_trace.h b/drivers/usb/gadget/function/uvc_trace.h new file mode 100644 index 000000000000..04c33cf43cc2 --- /dev/null +++ b/drivers/usb/gadget/function/uvc_trace.h @@ -0,0 +1,60 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * trace.h - USB UVC Gadget Trace Support + * + * Copyright (C) 2024 Pengutronix e.K. + * + * Author: Michael Grzeschik <m.grzeschik@pengutronix.de> + */ + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM uvcg + +#if !defined(__UVCG_TRACE_H) || defined(TRACE_HEADER_MULTI_READ) +#define __UVCG_TRACE_H + +#include <linux/types.h> +#include <linux/tracepoint.h> +#include <linux/usb/gadget.h> +#include <asm/byteorder.h> + +DECLARE_EVENT_CLASS(uvcg_video_req, + TP_PROTO(struct usb_request *req, u32 queued), + TP_ARGS(req, queued), + TP_STRUCT__entry( + __field(struct usb_request *, req) + __field(u32, length) + __field(u32, queued) + ), + TP_fast_assign( + __entry->req = req; + __entry->length = req->length; + __entry->queued = queued; + ), + TP_printk("req %p length %u queued %u", + __entry->req, + __entry->length, + __entry->queued) +); + +DEFINE_EVENT(uvcg_video_req, uvcg_video_complete, + TP_PROTO(struct usb_request *req, u32 queued), + TP_ARGS(req, queued) +); + +DEFINE_EVENT(uvcg_video_req, uvcg_video_queue, + TP_PROTO(struct usb_request *req, u32 queued), + TP_ARGS(req, queued) +); + +#endif /* __UVCG_TRACE_H */ + +/* this part has to be here */ + +#undef TRACE_INCLUDE_PATH +#define TRACE_INCLUDE_PATH . + +#undef TRACE_INCLUDE_FILE +#define TRACE_INCLUDE_FILE uvc_trace + +#include <trace/define_trace.h> |