LXR linux/include/linux/counter

   1/* SPDX-License-Identifier: GPL-2.0 */
   2/*
   3 * Counter interface enum functions
   4 * Copyright (C) 2018 William Breathitt Gray
   5 */
   6#ifndef _COUNTER_ENUM_H_
   7#define _COUNTER_ENUM_H_
   8
   9#include <linux/types.h>
  10
  11struct counter_device;
  12struct counter_signal;
  13struct counter_count;
  14
  15ssize_t counter_signal_enum_read(struct counter_device *counter,
  16                                 struct counter_signal *signal, void *priv,
  17                                 char *buf);
  18ssize_t counter_signal_enum_write(struct counter_device *counter,
  19                                  struct counter_signal *signal, void *priv,
  20                                  const char *buf, size_t len);
  21
  22ssize_t counter_signal_enum_available_read(struct counter_device *counter,
  23                                           struct counter_signal *signal,
  24                                           void *priv, char *buf);
  25
  26ssize_t counter_count_enum_read(struct counter_device *counter,
  27                                struct counter_count *count, void *priv,
  28                                char *buf);
  29ssize_t counter_count_enum_write(struct counter_device *counter,
  30                                 struct counter_count *count, void *priv,
  31                                 const char *buf, size_t len);
  32
  33ssize_t counter_count_enum_available_read(struct counter_device *counter,
  34                                          struct counter_count *count,
  35                                          void *priv, char *buf);
  36
  37ssize_t counter_device_enum_read(struct counter_device *counter, void *priv,
  38                                 char *buf);
  39ssize_t counter_device_enum_write(struct counter_device *counter, void *priv,
  40                                  const char *buf, size_t len);
  41
  42ssize_t counter_device_enum_available_read(struct counter_device *counter,
  43                                           void *priv, char *buf);
  44
  45#endif /* _COUNTER_ENUM_H_ */
  46