| #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 |
