root/drivers/base/regmap/trace.h
/* SPDX-License-Identifier: GPL-2.0 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM regmap

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

#include <linux/ktime.h>
#include <linux/tracepoint.h>

#include "internal.h"

/*
 * Log register events
 */
DECLARE_EVENT_CLASS(regmap_reg,

        TP_PROTO(struct regmap *map, unsigned int reg,
                 unsigned int val),

        TP_ARGS(map, reg, val),

        TP_STRUCT__entry(
                __string(       name,           regmap_name(map)        )
                __field(        unsigned int,   reg                     )
                __field(        unsigned int,   val                     )
        ),

        TP_fast_assign(
                __assign_str(name);
                __entry->reg = reg;
                __entry->val = val;
        ),

        TP_printk("%s reg=%x val=%x", __get_str(name), __entry->reg, __entry->val)
);

DEFINE_EVENT(regmap_reg, regmap_reg_write,

        TP_PROTO(struct regmap *map, unsigned int reg,
                 unsigned int val),

        TP_ARGS(map, reg, val)
);

DEFINE_EVENT(regmap_reg, regmap_reg_read,

        TP_PROTO(struct regmap *map, unsigned int reg,
                 unsigned int val),

        TP_ARGS(map, reg, val)
);

DEFINE_EVENT(regmap_reg, regmap_reg_read_cache,

        TP_PROTO(struct regmap *map, unsigned int reg,
                 unsigned int val),

        TP_ARGS(map, reg, val)
);

DECLARE_EVENT_CLASS(regmap_bulk,

        TP_PROTO(struct regmap *map, unsigned int reg,
                 const void *val, int val_len),

        TP_ARGS(map, reg, val, val_len),

        TP_STRUCT__entry(
                __string(name, regmap_name(map))
                __field(unsigned int, reg)
                __dynamic_array(char, buf, val_len)
                __field(int, val_len)
        ),

        TP_fast_assign(
                __assign_str(name);
                __entry->reg = reg;
                __entry->val_len = val_len;
                memcpy(__get_dynamic_array(buf), val, val_len);
        ),

        TP_printk("%s reg=%x val=%s", __get_str(name), __entry->reg,
                  __print_hex(__get_dynamic_array(buf), __entry->val_len))
);

DEFINE_EVENT(regmap_bulk, regmap_bulk_write,

        TP_PROTO(struct regmap *map, unsigned int reg,
                 const void *val, int val_len),

        TP_ARGS(map, reg, val, val_len)
);

DEFINE_EVENT(regmap_bulk, regmap_bulk_read,

        TP_PROTO(struct regmap *map, unsigned int reg,
                 const void *val, int val_len),

        TP_ARGS(map, reg, val, val_len)
);

DECLARE_EVENT_CLASS(regmap_block,

        TP_PROTO(struct regmap *map, unsigned int reg, int count),

        TP_ARGS(map, reg, count),

        TP_STRUCT__entry(
                __string(       name,           regmap_name(map)        )
                __field(        unsigned int,   reg                     )
                __field(        int,            count                   )
        ),

        TP_fast_assign(
                __assign_str(name);
                __entry->reg = reg;
                __entry->count = count;
        ),

        TP_printk("%s reg=%x count=%d", __get_str(name), __entry->reg, __entry->count)
);

DEFINE_EVENT(regmap_block, regmap_hw_read_start,

        TP_PROTO(struct regmap *map, unsigned int reg, int count),

        TP_ARGS(map, reg, count)
);

DEFINE_EVENT(regmap_block, regmap_hw_read_done,

        TP_PROTO(struct regmap *map, unsigned int reg, int count),

        TP_ARGS(map, reg, count)
);

DEFINE_EVENT(regmap_block, regmap_hw_write_start,

        TP_PROTO(struct regmap *map, unsigned int reg, int count),

        TP_ARGS(map, reg, count)
);

DEFINE_EVENT(regmap_block, regmap_hw_write_done,

        TP_PROTO(struct regmap *map, unsigned int reg, int count),

        TP_ARGS(map, reg, count)
);

TRACE_EVENT(regcache_sync,

        TP_PROTO(struct regmap *map, const char *type,
                 const char *status),

        TP_ARGS(map, type, status),

        TP_STRUCT__entry(
                __string(       name,           regmap_name(map)        )
                __string(       status,         status                  )
                __string(       type,           type                    )
        ),

        TP_fast_assign(
                __assign_str(name);
                __assign_str(status);
                __assign_str(type);
        ),

        TP_printk("%s type=%s status=%s", __get_str(name),
                  __get_str(type), __get_str(status))
);

DECLARE_EVENT_CLASS(regmap_bool,

        TP_PROTO(struct regmap *map, bool flag),

        TP_ARGS(map, flag),

        TP_STRUCT__entry(
                __string(       name,           regmap_name(map)        )
                __field(        int,            flag                    )
        ),

        TP_fast_assign(
                __assign_str(name);
                __entry->flag = flag;
        ),

        TP_printk("%s flag=%d", __get_str(name), __entry->flag)
);

DEFINE_EVENT(regmap_bool, regmap_cache_only,

        TP_PROTO(struct regmap *map, bool flag),

        TP_ARGS(map, flag)
);

DEFINE_EVENT(regmap_bool, regmap_cache_bypass,

        TP_PROTO(struct regmap *map, bool flag),

        TP_ARGS(map, flag)
);

DECLARE_EVENT_CLASS(regmap_async,

        TP_PROTO(struct regmap *map),

        TP_ARGS(map),

        TP_STRUCT__entry(
                __string(       name,           regmap_name(map)        )
        ),

        TP_fast_assign(
                __assign_str(name);
        ),

        TP_printk("%s", __get_str(name))
);

DEFINE_EVENT(regmap_block, regmap_async_write_start,

        TP_PROTO(struct regmap *map, unsigned int reg, int count),

        TP_ARGS(map, reg, count)
);

DEFINE_EVENT(regmap_async, regmap_async_io_complete,

        TP_PROTO(struct regmap *map),

        TP_ARGS(map)
);

DEFINE_EVENT(regmap_async, regmap_async_complete_start,

        TP_PROTO(struct regmap *map),

        TP_ARGS(map)
);

DEFINE_EVENT(regmap_async, regmap_async_complete_done,

        TP_PROTO(struct regmap *map),

        TP_ARGS(map)
);

TRACE_EVENT(regcache_drop_region,

        TP_PROTO(struct regmap *map, unsigned int from,
                 unsigned int to),

        TP_ARGS(map, from, to),

        TP_STRUCT__entry(
                __string(       name,           regmap_name(map)        )
                __field(        unsigned int,   from                    )
                __field(        unsigned int,   to                      )
        ),

        TP_fast_assign(
                __assign_str(name);
                __entry->from = from;
                __entry->to = to;
        ),

        TP_printk("%s %u-%u", __get_str(name), __entry->from, __entry->to)
);

#endif /* _TRACE_REGMAP_H */

#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH .

#undef TRACE_INCLUDE_FILE
#define TRACE_INCLUDE_FILE trace

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