LXR linux/drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer

   1/*
   2 * Copyright (c) 2018, Mellanox Technologies. All rights reserved.
   3 *
   4 * This software is available to you under a choice of one of two
   5 * licenses.  You may choose to be licensed under the terms of the GNU
   6 * General Public License (GPL) Version 2, available from the file
   7 * COPYING in the main directory of this source tree, or the
   8 * OpenIB.org BSD license below:
   9 *
  10 *     Redistribution and use in source and binary forms, with or
  11 *     without modification, are permitted provided that the following
  12 *     conditions are met:
  13 *
  14 *      - Redistributions of source code must retain the above
  15 *        copyright notice, this list of conditions and the following
  16 *        disclaimer.
  17 *
  18 *      - Redistributions in binary form must reproduce the above
  19 *        copyright notice, this list of conditions and the following
  20 *        disclaimer in the documentation and/or other materials
  21 *        provided with the distribution.
  22 *
  23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  30 * SOFTWARE.
  31 */
  32
  33#if !defined(__LIB_TRACER_TRACEPOINT_H__) || defined(TRACE_HEADER_MULTI_READ)
  34#define __LIB_TRACER_TRACEPOINT_H__
  35
  36#include <linux/tracepoint.h>
  37#include "fw_tracer.h"
  38
  39#undef TRACE_SYSTEM
  40#define TRACE_SYSTEM mlx5
  41
  42/* Tracepoint for FWTracer messages: */
  43TRACE_EVENT(mlx5_fw,
  44        TP_PROTO(const struct mlx5_fw_tracer *tracer, u64 trace_timestamp,
  45                 bool lost, u8 event_id, const char *msg),
  46
  47        TP_ARGS(tracer, trace_timestamp, lost, event_id, msg),
  48
  49        TP_STRUCT__entry(
  50                __string(dev_name, dev_name(tracer->dev->device))
  51                __field(u64, trace_timestamp)
  52                __field(bool, lost)
  53                __field(u8, event_id)
  54                __string(msg, msg)
  55        ),
  56
  57        TP_fast_assign(
  58                __assign_str(dev_name,
  59                             dev_name(tracer->dev->device));
  60                __entry->trace_timestamp = trace_timestamp;
  61                __entry->lost = lost;
  62                __entry->event_id = event_id;
  63                __assign_str(msg, msg);
  64        ),
  65
  66        TP_printk("%s [0x%llx] %d [0x%x] %s",
  67                  __get_str(dev_name),
  68                  __entry->trace_timestamp,
  69                  __entry->lost, __entry->event_id,
  70                  __get_str(msg))
  71);
  72
  73#endif
  74
  75#undef TRACE_INCLUDE_PATH
  76#undef TRACE_INCLUDE_FILE
  77#define TRACE_INCLUDE_PATH ./diag
  78#define TRACE_INCLUDE_FILE fw_tracer_tracepoint
  79#include <trace/define_trace.h>
  80