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

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