Quelle  bno055_ser_trace.h   Sprache: C

/* SPDX-License-Identifier: GPL-2.0 */

#if !defined(__BNO055_SERDEV_TRACE_H__) || defined(TRACE_HEADER_MULTI_READ)
#define __BNO055_SERDEV_TRACE_H__

#include <linux/tracepoint.h>

#undef TRACE_SYSTEM
#define TRACE_SYSTEM bno055_ser

TRACE_EVENT(send_chunk,
     TP_PROTO(int len, const u8 *data),
     TP_ARGS(len, data),
     TP_STRUCT__entry(
      __field(int, len)
      __dynamic_array(u8, chunk, len)
     ),
     TP_fast_assign(
      __entry->len = len;
      memcpy(__get_dynamic_array(chunk),
      data, __entry->len);
     ),
     TP_printk("len: %d, data: = %*ph",
        __entry->len, __entry->len, __get_dynamic_array(chunk)
     )
);

TRACE_EVENT(cmd_retry,
     TP_PROTO(bool read, int addr, int retry),
     TP_ARGS(read, addr, retry),
     TP_STRUCT__entry(
      __field(bool, read)
      __field(int, addr)
      __field(int, retry)
     ),
     TP_fast_assign(
      __entry->read = read;
      __entry->addr = addr;
      __entry->retry = retry;
     ),
     TP_printk("%s addr 0x%x retry #%d",
        __entry->read ? "read" : "write",
        __entry->addr, __entry->retry
     )
);

TRACE_EVENT(write_reg,
     TP_PROTO(u8 addr, u8 value),
     TP_ARGS(addr, value),
     TP_STRUCT__entry(
      __field(u8, addr)
      __field(u8, value)
     ),
     TP_fast_assign(
      __entry->addr = addr;
      __entry->value = value;
     ),
     TP_printk("reg 0x%x = 0x%x",
        __entry->addr, __entry->value
     )
);

TRACE_EVENT(read_reg,
     TP_PROTO(int addr, size_t len),
     TP_ARGS(addr, len),
     TP_STRUCT__entry(
      __field(int, addr)
      __field(size_t, len)
     ),
     TP_fast_assign(
      __entry->addr = addr;
      __entry->len = len;
     ),
     TP_printk("reg 0x%x (len %zu)",
        __entry->addr, __entry->len
     )
);

TRACE_EVENT(recv,
     TP_PROTO(size_t len, const unsigned char *buf),
     TP_ARGS(len, buf),
     TP_STRUCT__entry(
      __field(size_t, len)
      __dynamic_array(unsigned char, buf, len)
     ),
     TP_fast_assign(
      __entry->len = len;
      memcpy(__get_dynamic_array(buf),
      buf, __entry->len);
     ),
     TP_printk("len: %zu, data: = %*ph",
        __entry->len, (int)__entry->len, __get_dynamic_array(buf)
     )
);

#endif /* __BNO055_SERDEV_TRACE_H__ || TRACE_HEADER_MULTI_READ */

#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH .
#undef TRACE_INCLUDE_FILE
#define TRACE_INCLUDE_FILE bno055_ser_trace

/* This part must be outside protection */
#include <trace/define_trace.h>