LXR linux/drivers/usb/chipidea/trace.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2/*
   3 * Trace support header file for device mode
   4 *
   5 * Copyright (C) 2020 NXP
   6 *
   7 * Author: Peter Chen <peter.chen@nxp.com>
   8 */
   9
  10#undef TRACE_SYSTEM
  11#define TRACE_SYSTEM chipidea
  12
  13#if !defined(__LINUX_CHIPIDEA_TRACE) || defined(TRACE_HEADER_MULTI_READ)
  14#define __LINUX_CHIPIDEA_TRACE
  15
  16#include <linux/types.h>
  17#include <linux/tracepoint.h>
  18#include <linux/usb/chipidea.h>
  19#include "ci.h"
  20#include "udc.h"
  21
  22#define CHIPIDEA_MSG_MAX        500
  23
  24void ci_log(struct ci_hdrc *ci, const char *fmt, ...);
  25
  26TRACE_EVENT(ci_log,
  27        TP_PROTO(struct ci_hdrc *ci, struct va_format *vaf),
  28        TP_ARGS(ci, vaf),
  29        TP_STRUCT__entry(
  30                __string(name, dev_name(ci->dev))
  31                __dynamic_array(char, msg, CHIPIDEA_MSG_MAX)
  32        ),
  33        TP_fast_assign(
  34                __assign_str(name, dev_name(ci->dev));
  35                vsnprintf(__get_str(msg), CHIPIDEA_MSG_MAX, vaf->fmt, *vaf->va);
  36        ),
  37        TP_printk("%s: %s", __get_str(name), __get_str(msg))
  38);
  39
  40DECLARE_EVENT_CLASS(ci_log_trb,
  41        TP_PROTO(struct ci_hw_ep *hwep, struct ci_hw_req *hwreq, struct td_node *td),
  42        TP_ARGS(hwep, hwreq, td),
  43        TP_STRUCT__entry(
  44                __string(name, hwep->name)
  45                __field(struct td_node *, td)
  46                __field(struct usb_request *, req)
  47                __field(dma_addr_t, dma)
  48                __field(s32, td_remaining_size)
  49                __field(u32, next)
  50                __field(u32, token)
  51                __field(u32, type)
  52        ),
  53        TP_fast_assign(
  54                __assign_str(name, hwep->name);
  55                __entry->req = &hwreq->req;
  56                __entry->td = td;
  57                __entry->dma = td->dma;
  58                __entry->td_remaining_size = td->td_remaining_size;
  59                __entry->next = le32_to_cpu(td->ptr->next);
  60                __entry->token = le32_to_cpu(td->ptr->token);
  61                __entry->type = usb_endpoint_type(hwep->ep.desc);
  62        ),
  63        TP_printk("%s: req: %p, td: %p, td_dma_address: %pad, remaining_size: %d, "
  64               "next: %x, total bytes: %d, status: %lx",
  65                __get_str(name), __entry->req, __entry->td, &__entry->dma,
  66                __entry->td_remaining_size, __entry->next,
  67                (int)((__entry->token & TD_TOTAL_BYTES) >> __ffs(TD_TOTAL_BYTES)),
  68                __entry->token & TD_STATUS
  69        )
  70);
  71
  72DEFINE_EVENT(ci_log_trb, ci_prepare_td,
  73        TP_PROTO(struct ci_hw_ep *hwep, struct ci_hw_req *hwreq, struct td_node *td),
  74        TP_ARGS(hwep, hwreq, td)
  75);
  76
  77DEFINE_EVENT(ci_log_trb, ci_complete_td,
  78        TP_PROTO(struct ci_hw_ep *hwep, struct ci_hw_req *hwreq, struct td_node *td),
  79        TP_ARGS(hwep, hwreq, td)
  80);
  81
  82#endif /* __LINUX_CHIPIDEA_TRACE */
  83
  84/* this part must be outside header guard */
  85
  86#undef TRACE_INCLUDE_PATH
  87#define TRACE_INCLUDE_PATH .
  88
  89#undef TRACE_INCLUDE_FILE
  90#define TRACE_INCLUDE_FILE trace
  91
  92#include <trace/define_trace.h>
  93