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/*
  50 * Tracepoint for devlink hardware error:
  51 */
  52TRACE_EVENT(devlink_hwerr,
  53        TP_PROTO(const struct devlink *devlink, int err, const char *msg),
  54
  55        TP_ARGS(devlink, err, msg),
  56
  57        TP_STRUCT__entry(
  58                __string(bus_name, devlink->dev->bus->name)
  59                __string(dev_name, dev_name(devlink->dev))
  60                __string(driver_name, devlink->dev->driver->name)
  61                __field(int, err)
  62                __string(msg, msg)
  63                ),
  64
  65        TP_fast_assign(
  66                __assign_str(bus_name, devlink->dev->bus->name);
  67                __assign_str(dev_name, dev_name(devlink->dev));
  68                __assign_str(driver_name, devlink->dev->driver->name);
  69                __entry->err = err;
  70                __assign_str(msg, msg);
  71                ),
  72
  73        TP_printk("bus_name=%s dev_name=%s driver_name=%s err=%d %s",
  74                        __get_str(bus_name), __get_str(dev_name),
  75                        __get_str(driver_name), __entry->err, __get_str(msg))
  76);
  77
  78/*
  79 * Tracepoint for devlink health message:
  80 */
  81TRACE_EVENT(devlink_health_report,
  82        TP_PROTO(const struct devlink *devlink, const char *reporter_name,
  83                 const char *msg),
  84
  85        TP_ARGS(devlink, reporter_name, msg),
  86
  87        TP_STRUCT__entry(
  88                __string(bus_name, devlink->dev->bus->name)
  89                __string(dev_name, dev_name(devlink->dev))
  90                __string(driver_name, devlink->dev->driver->name)
  91                __string(reporter_name, msg)
  92                __string(msg, msg)
  93        ),
  94
  95        TP_fast_assign(
  96                __assign_str(bus_name, devlink->dev->bus->name);
  97                __assign_str(dev_name, dev_name(devlink->dev));
  98                __assign_str(driver_name, devlink->dev->driver->name);
  99                __assign_str(reporter_name, reporter_name);
 100                __assign_str(msg, msg);
 101        ),
 102
 103        TP_printk("bus_name=%s dev_name=%s driver_name=%s reporter_name=%s: %s",
 104                  __get_str(bus_name), __get_str(dev_name),
 105                  __get_str(driver_name), __get_str(reporter_name),
 106                  __get_str(msg))
 107);
 108
 109/*
 110 * Tracepoint for devlink health recover aborted message:
 111 */
 112TRACE_EVENT(devlink_health_recover_aborted,
 113        TP_PROTO(const struct devlink *devlink, const char *reporter_name,
 114                 bool health_state, u64 time_since_last_recover),
 115
 116        TP_ARGS(devlink, reporter_name, health_state, time_since_last_recover),
 117
 118        TP_STRUCT__entry(
 119                __string(bus_name, devlink->dev->bus->name)
 120                __string(dev_name, dev_name(devlink->dev))
 121                __string(driver_name, devlink->dev->driver->name)
 122                __string(reporter_name, reporter_name)
 123                __field(bool, health_state)
 124                __field(u64, time_since_last_recover)
 125        ),
 126
 127        TP_fast_assign(
 128                __assign_str(bus_name, devlink->dev->bus->name);
 129                __assign_str(dev_name, dev_name(devlink->dev));
 130                __assign_str(driver_name, devlink->dev->driver->name);
 131                __assign_str(reporter_name, reporter_name);
 132                __entry->health_state = health_state;
 133                __entry->time_since_last_recover = time_since_last_recover;
 134        ),
 135
 136        TP_printk("bus_name=%s dev_name=%s driver_name=%s reporter_name=%s: health_state=%d time_since_last_recover=%llu recover aborted",
 137                  __get_str(bus_name), __get_str(dev_name),
 138                  __get_str(driver_name), __get_str(reporter_name),
 139                  __entry->health_state,
 140                  __entry->time_since_last_recover)
 141);
 142
 143/*
 144 * Tracepoint for devlink health reporter state update:
 145 */
 146TRACE_EVENT(devlink_health_reporter_state_update,
 147        TP_PROTO(const struct devlink *devlink, const char *reporter_name,
 148                 bool new_state),
 149
 150        TP_ARGS(devlink, reporter_name, new_state),
 151
 152        TP_STRUCT__entry(
 153                __string(bus_name, devlink->dev->bus->name)
 154                __string(dev_name, dev_name(devlink->dev))
 155                __string(driver_name, devlink->dev->driver->name)
 156                __string(reporter_name, reporter_name)
 157                __field(u8, new_state)
 158        ),
 159
 160        TP_fast_assign(
 161                __assign_str(bus_name, devlink->dev->bus->name);
 162                __assign_str(dev_name, dev_name(devlink->dev));
 163                __assign_str(driver_name, devlink->dev->driver->name);
 164                __assign_str(reporter_name, reporter_name);
 165                __entry->new_state = new_state;
 166        ),
 167
 168        TP_printk("bus_name=%s dev_name=%s driver_name=%s reporter_name=%s: new_state=%d",
 169                  __get_str(bus_name), __get_str(dev_name),
 170                  __get_str(driver_name), __get_str(reporter_name),
 171                  __entry->new_state)
 172);
 173
 174#endif /* _TRACE_DEVLINK_H */
 175
 176/* This part must be outside protection */
 177#include <trace/define_trace.h>
 178
 179#else /* CONFIG_NET_DEVLINK */
 180
 181#if !defined(_TRACE_DEVLINK_H)
 182#define _TRACE_DEVLINK_H
 183
 184#include <net/devlink.h>
 185
 186static inline void trace_devlink_hwmsg(const struct devlink *devlink,
 187                                       bool incoming, unsigned long type,
 188                                       const u8 *buf, size_t len)
 189{
 190}
 191
 192static inline void trace_devlink_hwerr(const struct devlink *devlink,
 193                                       int err, const char *msg)
 194{
 195}
 196#endif /* _TRACE_DEVLINK_H */
 197
 198#endif
 199