include/trace/events/firewire_ohci.h

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 // Copyright (c) 2024 Takashi Sakamoto
   3
   4 #undef TRACE_SYSTEM
   5 #define TRACE_SYSTEM    firewire_ohci
   6
   7 #if !defined(_FIREWIRE_OHCI_TRACE_EVENT_H) || defined(TRACE_HEADER_MULTI_READ)
   8 #define _FIREWIRE_OHCI_TRACE_EVENT_H
   9
  10 #include <linux/tracepoint.h>
  11
  12 // Some macros and helper functions are defined in 'drivers/firewire/ohci.c'.
  13
  14 TRACE_EVENT(irqs,
  15         TP_PROTO(unsigned int card_index, u32 events),
  16         TP_ARGS(card_index, events),
  17         TP_STRUCT__entry(
  18                 __field(u8, card_index)
  19                 __field(u32, events)
  20         ),
  21         TP_fast_assign(
  22                 __entry->card_index = card_index;
  23                 __entry->events = events;
  24         ),
  25         TP_printk(
  26                 "card_index=%u events=%s",
  27                 __entry->card_index,
  28                 __print_flags(__entry->events, "|",
  29                         { OHCI1394_selfIDComplete,      "selfIDComplete" },
  30                         { OHCI1394_RQPkt,               "RQPkt" },
  31                         { OHCI1394_RSPkt,               "RSPkt" },
  32                         { OHCI1394_reqTxComplete,       "reqTxComplete" },
  33                         { OHCI1394_respTxComplete,      "respTxComplete" },
  34                         { OHCI1394_isochRx,             "isochRx" },
  35                         { OHCI1394_isochTx,             "isochTx" },
  36                         { OHCI1394_postedWriteErr,      "postedWriteErr" },
  37                         { OHCI1394_cycleTooLong,        "cycleTooLong" },
  38                         { OHCI1394_cycle64Seconds,      "cycle64Seconds" },
  39                         { OHCI1394_cycleInconsistent,   "cycleInconsistent" },
  40                         { OHCI1394_regAccessFail,       "regAccessFail" },
  41                         { OHCI1394_unrecoverableError,  "unrecoverableError" },
  42                         { OHCI1394_busReset,            "busReset" }
  43                 )
  44         )
  45 );
  46
  47 #define QUADLET_SIZE    4
  48
  49 #define SELF_ID_COUNT_IS_ERROR(reg)     \
  50         (!!(((reg) & OHCI1394_SelfIDCount_selfIDError_MASK) >> OHCI1394_SelfIDCount_selfIDError_SHIFT))
  51
  52 #define SELF_ID_COUNT_GET_GENERATION(reg)       \
  53         (((reg) & OHCI1394_SelfIDCount_selfIDGeneration_MASK) >> OHCI1394_SelfIDCount_selfIDGeneration_SHIFT)
  54
  55 #define SELF_ID_RECEIVE_Q0_GET_GENERATION(quadlet)      \
  56         (((quadlet) & OHCI1394_SELF_ID_RECEIVE_Q0_GENERATION_MASK) >> OHCI1394_SELF_ID_RECEIVE_Q0_GENERATION_SHIFT)
  57
  58 #define SELF_ID_RECEIVE_Q0_GET_TIMESTAMP(quadlet)       \
  59         (((quadlet) & OHCI1394_SELF_ID_RECEIVE_Q0_TIMESTAMP_MASK) >> OHCI1394_SELF_ID_RECEIVE_Q0_TIMESTAMP_SHIFT)
  60
  61 TRACE_EVENT(self_id_complete,
  62         TP_PROTO(unsigned int card_index, u32 reg, const __le32 *self_id_receive, bool has_be_header_quirk),
  63         TP_ARGS(card_index, reg, self_id_receive, has_be_header_quirk),
  64         TP_STRUCT__entry(
  65                 __field(u8, card_index)
  66                 __field(u32, reg)
  67                 __dynamic_array(u32, self_id_receive, ohci1394_self_id_count_get_size(reg))
  68         ),
  69         TP_fast_assign(
  70                 __entry->card_index = card_index;
  71                 __entry->reg = reg;
  72                 {
  73                         u32 *ptr = __get_dynamic_array(self_id_receive);
  74                         int i;
  75
  76                         for (i = 0; i < __get_dynamic_array_len(self_id_receive) / QUADLET_SIZE; ++i)
  77                                 ptr[i] = cond_le32_to_cpu(self_id_receive[i], has_be_header_quirk);
  78                 }
  79         ),
  80         TP_printk(
  81                 "card_index=%u is_error=%s generation_at_bus_reset=%u generation_at_completion=%u timestamp=0x%04x packet_data=%s",
  82                 __entry->card_index,
  83                 SELF_ID_COUNT_IS_ERROR(__entry->reg) ? "true" : "false",
  84                 SELF_ID_COUNT_GET_GENERATION(__entry->reg),
  85                 SELF_ID_RECEIVE_Q0_GET_GENERATION(((const u32 *)__get_dynamic_array(self_id_receive))[0]),
  86                 SELF_ID_RECEIVE_Q0_GET_TIMESTAMP(((const u32 *)__get_dynamic_array(self_id_receive))[0]),
  87                 __print_array(((const u32 *)__get_dynamic_array(self_id_receive)) + 1,
  88                               (__get_dynamic_array_len(self_id_receive) / QUADLET_SIZE) - 1, QUADLET_SIZE)
  89         )
  90 );
  91
  92 #undef SELF_ID_COUNT_IS_ERROR
  93 #undef SELF_ID_COUNT_GET_GENERATION
  94 #undef SELF_ID_RECEIVE_Q0_GET_GENERATION
  95 #undef SELF_ID_RECEIVE_Q0_GET_TIMESTAMP
  96
  97 #undef QUADLET_SIZE
  98
  99 #endif // _FIREWIRE_OHCI_TRACE_EVENT_H
 100
 101 #include <trace/define_trace.h>