include/trace/events/mdio.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #undef TRACE_SYSTEM
   3 #define TRACE_SYSTEM mdio
   4
   5 #if !defined(_TRACE_MDIO_H) || defined(TRACE_HEADER_MULTI_READ)
   6 #define _TRACE_MDIO_H
   7
   8 #include <linux/tracepoint.h>
   9
  10 TRACE_EVENT_CONDITION(mdio_access,
  11
  12         TP_PROTO(struct mii_bus *bus, char read,
  13                  u8 addr, unsigned regnum, u16 val, int err),
  14
  15         TP_ARGS(bus, read, addr, regnum, val, err),
  16
  17         TP_CONDITION(err >= 0),
  18
  19         TP_STRUCT__entry(
  20                 __array(char, busid, MII_BUS_ID_SIZE)
  21                 __field(char, read)
  22                 __field(u8, addr)
  23                 __field(u16, val)
  24                 __field(unsigned, regnum)
  25         ),
  26
  27         TP_fast_assign(
  28                 strncpy(__entry->busid, bus->id, MII_BUS_ID_SIZE);
  29                 __entry->read = read;
  30                 __entry->addr = addr;
  31                 __entry->regnum = regnum;
  32                 __entry->val = val;
  33         ),
  34
  35         TP_printk("%s %-5s phy:0x%02hhx reg:0x%02x val:0x%04hx",
  36                   __entry->busid, __entry->read ? "read" : "write",
  37                   __entry->addr, __entry->regnum, __entry->val)
  38 );
  39
  40 #endif /* if !defined(_TRACE_MDIO_H) || defined(TRACE_HEADER_MULTI_READ) */
  41
  42 /* This part must be outside protection */
  43 #include <trace/define_trace.h>