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ff3ead96 JS |
1 | #ifndef _LINUX_ALARMTIMER_H |
2 | #define _LINUX_ALARMTIMER_H | |
3 | ||
4 | #include <linux/time.h> | |
5 | #include <linux/hrtimer.h> | |
6 | #include <linux/timerqueue.h> | |
7 | #include <linux/rtc.h> | |
8 | ||
9 | enum alarmtimer_type { | |
10 | ALARM_REALTIME, | |
11 | ALARM_BOOTTIME, | |
12 | ||
13 | ALARM_NUMTYPE, | |
14 | }; | |
15 | ||
4b41308d JS |
16 | enum alarmtimer_restart { |
17 | ALARMTIMER_NORESTART, | |
18 | ALARMTIMER_RESTART, | |
19 | }; | |
20 | ||
180bf812 JS |
21 | /** |
22 | * struct alarm - Alarm timer structure | |
23 | * @node: timerqueue node for adding to the event list this value | |
24 | * also includes the expiration time. | |
25 | * @period: Period for recuring alarms | |
26 | * @function: Function pointer to be executed when the timer fires. | |
27 | * @type: Alarm type (BOOTTIME/REALTIME) | |
28 | * @enabled: Flag that represents if the alarm is set to fire or not | |
29 | * @data: Internal data value. | |
30 | */ | |
ff3ead96 JS |
31 | struct alarm { |
32 | struct timerqueue_node node; | |
33 | ktime_t period; | |
4b41308d | 34 | enum alarmtimer_restart (*function)(struct alarm *, ktime_t now); |
ff3ead96 | 35 | enum alarmtimer_type type; |
180bf812 | 36 | bool enabled; |
ff3ead96 JS |
37 | void *data; |
38 | }; | |
39 | ||
40 | void alarm_init(struct alarm *alarm, enum alarmtimer_type type, | |
4b41308d | 41 | enum alarmtimer_restart (*function)(struct alarm *, ktime_t)); |
ff3ead96 JS |
42 | void alarm_start(struct alarm *alarm, ktime_t start, ktime_t period); |
43 | void alarm_cancel(struct alarm *alarm); | |
44 | ||
45 | #endif |