#ifndef _LINUX_ALARMTIMER_H#define _LINUX_ALARMTIMER_H #include <linux/time.h>#include <linux/hrtimer.h>#include <linux/timerqueue.h>#include <linux/rtc.h> enum alarmtimer_type {	ALARM_REALTIME,	ALARM_BOOTTIME, 	ALARM_NUMTYPE,}; /** * struct alarm - Alarm timer structure * @node:	timerqueue node for adding to the event list this value *		also includes the expiration time. * @period:	Period for recuring alarms * @function:	Function pointer to be executed when the timer fires. * @type:	Alarm type (BOOTTIME/REALTIME) * @enabled:	Flag that represents if the alarm is set to fire or not * @data:	Internal data value. */struct alarm {	struct timerqueue_node	node;	ktime_t			period;	void			(*function)(struct alarm *);	enum alarmtimer_type	type;	bool			enabled;	void			*data;}; void alarm_init(struct alarm *alarm, enum alarmtimer_type type,		void (*function)(struct alarm *));void alarm_start(struct alarm *alarm, ktime_t start, ktime_t period);void alarm_cancel(struct alarm *alarm); #endif