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https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
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46a01427e9
struct usb_request have 3 flags which might be important to know about during debug. This patch shows each of the 3 flags as a single letter: z -> for zero s -> short not okay i -> interrupt A capital letter means the feature is enabled while a lower case letter means it is disabled; Thus 'zsI' indicates that a ZLP is not needed, that we can accept a short packet and interrupt for this request should be enabled. Signed-off-by: Felipe Balbi <balbi@ti.com>
266 lines
6.6 KiB
C
266 lines
6.6 KiB
C
/**
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* trace.h - DesignWare USB3 DRD Controller Trace Support
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*
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* Copyright (C) 2014 Texas Instruments Incorporated - http://www.ti.com
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*
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* Author: Felipe Balbi <balbi@ti.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 of
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* the License as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM dwc3
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#if !defined(__DWC3_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
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#define __DWC3_TRACE_H
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#include <linux/types.h>
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#include <linux/tracepoint.h>
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#include <asm/byteorder.h>
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#include "core.h"
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#include "debug.h"
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DECLARE_EVENT_CLASS(dwc3_log_msg,
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TP_PROTO(struct va_format *vaf),
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TP_ARGS(vaf),
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TP_STRUCT__entry(__dynamic_array(char, msg, DWC3_MSG_MAX)),
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TP_fast_assign(
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vsnprintf(__get_str(msg), DWC3_MSG_MAX, vaf->fmt, *vaf->va);
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),
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TP_printk("%s", __get_str(msg))
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);
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DEFINE_EVENT(dwc3_log_msg, dwc3_readl,
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TP_PROTO(struct va_format *vaf),
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TP_ARGS(vaf)
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);
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DEFINE_EVENT(dwc3_log_msg, dwc3_writel,
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TP_PROTO(struct va_format *vaf),
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TP_ARGS(vaf)
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);
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DEFINE_EVENT(dwc3_log_msg, dwc3_gadget,
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TP_PROTO(struct va_format *vaf),
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TP_ARGS(vaf)
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);
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DEFINE_EVENT(dwc3_log_msg, dwc3_core,
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TP_PROTO(struct va_format *vaf),
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TP_ARGS(vaf)
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);
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DEFINE_EVENT(dwc3_log_msg, dwc3_ep0,
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TP_PROTO(struct va_format *vaf),
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TP_ARGS(vaf)
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);
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DECLARE_EVENT_CLASS(dwc3_log_event,
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TP_PROTO(u32 event),
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TP_ARGS(event),
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TP_STRUCT__entry(
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__field(u32, event)
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),
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TP_fast_assign(
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__entry->event = event;
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),
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TP_printk("event %08x", __entry->event)
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);
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DEFINE_EVENT(dwc3_log_event, dwc3_event,
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TP_PROTO(u32 event),
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TP_ARGS(event)
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);
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DECLARE_EVENT_CLASS(dwc3_log_ctrl,
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TP_PROTO(struct usb_ctrlrequest *ctrl),
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TP_ARGS(ctrl),
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TP_STRUCT__entry(
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__field(__u8, bRequestType)
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__field(__u8, bRequest)
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__field(__le16, wValue)
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__field(__le16, wIndex)
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__field(__le16, wLength)
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),
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TP_fast_assign(
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__entry->bRequestType = ctrl->bRequestType;
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__entry->bRequest = ctrl->bRequest;
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__entry->wValue = ctrl->wValue;
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__entry->wIndex = ctrl->wIndex;
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__entry->wLength = ctrl->wLength;
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),
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TP_printk("bRequestType %02x bRequest %02x wValue %04x wIndex %04x wLength %d",
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__entry->bRequestType, __entry->bRequest,
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le16_to_cpu(__entry->wValue), le16_to_cpu(__entry->wIndex),
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le16_to_cpu(__entry->wLength)
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)
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);
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DEFINE_EVENT(dwc3_log_ctrl, dwc3_ctrl_req,
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TP_PROTO(struct usb_ctrlrequest *ctrl),
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TP_ARGS(ctrl)
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);
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DECLARE_EVENT_CLASS(dwc3_log_request,
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TP_PROTO(struct dwc3_request *req),
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TP_ARGS(req),
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TP_STRUCT__entry(
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__dynamic_array(char, name, DWC3_MSG_MAX)
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__field(struct dwc3_request *, req)
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__field(unsigned, actual)
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__field(unsigned, length)
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__field(int, status)
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__field(int, zero)
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__field(int, short_not_ok)
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__field(int, no_interrupt)
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),
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TP_fast_assign(
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snprintf(__get_str(name), DWC3_MSG_MAX, "%s", req->dep->name);
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__entry->req = req;
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__entry->actual = req->request.actual;
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__entry->length = req->request.length;
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__entry->status = req->request.status;
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__entry->zero = req->request.zero;
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__entry->short_not_ok = req->request.short_not_ok;
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__entry->no_interrupt = req->request.no_interrupt;
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),
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TP_printk("%s: req %p length %u/%u %s%s%s ==> %d",
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__get_str(name), __entry->req, __entry->actual, __entry->length,
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__entry->zero ? "Z" : "z",
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__entry->short_not_ok ? "S" : "s",
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__entry->no_interrupt ? "i" : "I",
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__entry->status
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)
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);
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DEFINE_EVENT(dwc3_log_request, dwc3_alloc_request,
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TP_PROTO(struct dwc3_request *req),
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TP_ARGS(req)
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);
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DEFINE_EVENT(dwc3_log_request, dwc3_free_request,
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TP_PROTO(struct dwc3_request *req),
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TP_ARGS(req)
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);
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DEFINE_EVENT(dwc3_log_request, dwc3_ep_queue,
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TP_PROTO(struct dwc3_request *req),
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TP_ARGS(req)
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);
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DEFINE_EVENT(dwc3_log_request, dwc3_ep_dequeue,
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TP_PROTO(struct dwc3_request *req),
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TP_ARGS(req)
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);
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DEFINE_EVENT(dwc3_log_request, dwc3_gadget_giveback,
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TP_PROTO(struct dwc3_request *req),
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TP_ARGS(req)
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);
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DECLARE_EVENT_CLASS(dwc3_log_generic_cmd,
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TP_PROTO(unsigned int cmd, u32 param),
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TP_ARGS(cmd, param),
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TP_STRUCT__entry(
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__field(unsigned int, cmd)
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__field(u32, param)
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),
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TP_fast_assign(
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__entry->cmd = cmd;
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__entry->param = param;
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),
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TP_printk("cmd '%s' [%d] param %08x",
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dwc3_gadget_generic_cmd_string(__entry->cmd),
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__entry->cmd, __entry->param
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)
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);
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DEFINE_EVENT(dwc3_log_generic_cmd, dwc3_gadget_generic_cmd,
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TP_PROTO(unsigned int cmd, u32 param),
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TP_ARGS(cmd, param)
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);
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DECLARE_EVENT_CLASS(dwc3_log_gadget_ep_cmd,
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TP_PROTO(struct dwc3_ep *dep, unsigned int cmd,
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struct dwc3_gadget_ep_cmd_params *params),
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TP_ARGS(dep, cmd, params),
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TP_STRUCT__entry(
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__dynamic_array(char, name, DWC3_MSG_MAX)
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__field(unsigned int, cmd)
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__field(u32, param0)
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__field(u32, param1)
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__field(u32, param2)
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),
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TP_fast_assign(
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snprintf(__get_str(name), DWC3_MSG_MAX, "%s", dep->name);
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__entry->cmd = cmd;
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__entry->param0 = params->param0;
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__entry->param1 = params->param1;
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__entry->param2 = params->param2;
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),
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TP_printk("%s: cmd '%s' [%d] params %08x %08x %08x",
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__get_str(name), dwc3_gadget_ep_cmd_string(__entry->cmd),
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__entry->cmd, __entry->param0,
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__entry->param1, __entry->param2
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)
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);
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DEFINE_EVENT(dwc3_log_gadget_ep_cmd, dwc3_gadget_ep_cmd,
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TP_PROTO(struct dwc3_ep *dep, unsigned int cmd,
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struct dwc3_gadget_ep_cmd_params *params),
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TP_ARGS(dep, cmd, params)
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);
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DECLARE_EVENT_CLASS(dwc3_log_trb,
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TP_PROTO(struct dwc3_ep *dep, struct dwc3_trb *trb),
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TP_ARGS(dep, trb),
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TP_STRUCT__entry(
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__dynamic_array(char, name, DWC3_MSG_MAX)
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__field(struct dwc3_trb *, trb)
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__field(u32, bpl)
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__field(u32, bph)
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__field(u32, size)
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__field(u32, ctrl)
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),
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TP_fast_assign(
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snprintf(__get_str(name), DWC3_MSG_MAX, "%s", dep->name);
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__entry->trb = trb;
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__entry->bpl = trb->bpl;
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__entry->bph = trb->bph;
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__entry->size = trb->size;
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__entry->ctrl = trb->ctrl;
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),
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TP_printk("%s: trb %p bph %08x bpl %08x size %08x ctrl %08x",
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__get_str(name), __entry->trb, __entry->bph, __entry->bpl,
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__entry->size, __entry->ctrl
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)
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);
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DEFINE_EVENT(dwc3_log_trb, dwc3_prepare_trb,
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TP_PROTO(struct dwc3_ep *dep, struct dwc3_trb *trb),
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TP_ARGS(dep, trb)
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);
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DEFINE_EVENT(dwc3_log_trb, dwc3_complete_trb,
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TP_PROTO(struct dwc3_ep *dep, struct dwc3_trb *trb),
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TP_ARGS(dep, trb)
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);
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#endif /* __DWC3_TRACE_H */
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/* this part has to be here */
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#undef TRACE_INCLUDE_PATH
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#define TRACE_INCLUDE_PATH .
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#undef TRACE_INCLUDE_FILE
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#define TRACE_INCLUDE_FILE trace
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#include <trace/define_trace.h>
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