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
  24 void ci_log(struct ci_hdrc *ci, const char *fmt, ...);
  25
  26 TRACE_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
  40 DECLARE_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
  72 DEFINE_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
  77 DEFINE_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>