文件操作 - counter_enum.h
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文件: /usr/src/kernels/4.18.0-553.124.4.el8_10.x86_64/include/linux/counter_enum.h
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/* SPDX-License-Identifier: GPL-2.0 */ /* * Counter interface enum functions * Copyright (C) 2018 William Breathitt Gray */ #ifndef _COUNTER_ENUM_H_ #define _COUNTER_ENUM_H_ #include <linux/types.h> struct counter_device; struct counter_signal; struct counter_count; ssize_t counter_signal_enum_read(struct counter_device *counter, struct counter_signal *signal, void *priv, char *buf); ssize_t counter_signal_enum_write(struct counter_device *counter, struct counter_signal *signal, void *priv, const char *buf, size_t len); ssize_t counter_signal_enum_available_read(struct counter_device *counter, struct counter_signal *signal, void *priv, char *buf); ssize_t counter_count_enum_read(struct counter_device *counter, struct counter_count *count, void *priv, char *buf); ssize_t counter_count_enum_write(struct counter_device *counter, struct counter_count *count, void *priv, const char *buf, size_t len); ssize_t counter_count_enum_available_read(struct counter_device *counter, struct counter_count *count, void *priv, char *buf); ssize_t counter_device_enum_read(struct counter_device *counter, void *priv, char *buf); ssize_t counter_device_enum_write(struct counter_device *counter, void *priv, const char *buf, size_t len); ssize_t counter_device_enum_available_read(struct counter_device *counter, void *priv, char *buf); #endif /* _COUNTER_ENUM_H_ */
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