LXR linux/include/trace/events/devlink.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2#if IS_ENABLED(CONFIG_NET_DEVLINK)
   3
   4#undef TRACE_SYSTEM
   5#define TRACE_SYSTEM devlink
   6
   7#if !defined(_TRACE_DEVLINK_H) || defined(TRACE_HEADER_MULTI_READ)
   8#define _TRACE_DEVLINK_H
   9
  10#include <linux/device.h>
  11#include <net/devlink.h>
  12#include <linux/tracepoint.h>
  13
  14/*
  15 * Tracepoint for devlink hardware message:
  16 */
  17TRACE_EVENT(devlink_hwmsg,
  18        TP_PROTO(const struct devlink *devlink, bool incoming,
  19                 unsigned long type, const u8 *buf, size_t len),
  20
  21        TP_ARGS(devlink, incoming, type, buf, len),
  22
  23        TP_STRUCT__entry(
  24                __string(bus_name, devlink->dev->bus->name)
  25                __string(dev_name, dev_name(devlink->dev))
  26                __string(driver_name, devlink->dev->driver->name)
  27                __field(bool, incoming)
  28                __field(unsigned long, type)
  29                __dynamic_array(u8, buf, len)
  30                __field(size_t, len)
  31        ),
  32
  33        TP_fast_assign(
  34                __assign_str(bus_name, devlink->dev->bus->name);
  35                __assign_str(dev_name, dev_name(devlink->dev));
  36                __assign_str(driver_name, devlink->dev->driver->name);
  37                __entry->incoming = incoming;
  38                __entry->type = type;
  39                memcpy(__get_dynamic_array(buf), buf, len);
  40                __entry->len = len;
  41        ),
  42
  43        TP_printk("bus_name=%s dev_name=%s driver_name=%s incoming=%d type=%lu buf=0x[%*phD] len=%zu",
  44                  __get_str(bus_name), __get_str(dev_name),
  45                  __get_str(driver_name), __entry->incoming, __entry->type,
  46                  (int) __entry->len, __get_dynamic_array(buf), __entry->len)
  47);
  48
  49#endif /* _TRACE_DEVLINK_H */
  50
  51/* This part must be outside protection */
  52#include <trace/define_trace.h>
  53
  54#else /* CONFIG_NET_DEVLINK */
  55
  56#if !defined(_TRACE_DEVLINK_H)
  57#define _TRACE_DEVLINK_H
  58
  59#include <net/devlink.h>
  60
  61static inline void trace_devlink_hwmsg(const struct devlink *devlink,
  62                                       bool incoming, unsigned long type,
  63                                       const u8 *buf, size_t len)
  64{
  65}
  66
  67#endif /* _TRACE_DEVLINK_H */
  68
  69#endif
  70