| 1 |
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| 2 | #ifndef _LINUX_HRTIMER_TYPES_H
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| 3 | #define _LINUX_HRTIMER_TYPES_H
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| 4 |
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| 5 | #include <linux/types.h>
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| 6 | #include <linux/timerqueue_types.h>
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| 7 |
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| 8 | struct hrtimer_clock_base;
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| 9 |
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| 10 | |
| 11 | * Return values for the callback function
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| 12 |
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| 13 | enum hrtimer_restart {
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| 14 | HRTIMER_NORESTART,
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| 15 | HRTIMER_RESTART,
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| 16 | };
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| 17 |
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| 18 | |
| 19 | * struct hrtimer - the basic hrtimer structure
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| 20 | * @node: Linked timerqueue node, which also manages node.expires,
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| 21 | * the absolute expiry time in the hrtimers internal
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| 22 | * representation. The time is related to the clock on
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| 23 | * which the timer is based. Is setup by adding
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| 24 | * slack to the _softexpires value. For non range timers
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| 25 | * identical to _softexpires.
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| 26 | * @_softexpires: the absolute earliest expiry time of the hrtimer.
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| 27 | * The time which was given as expiry time when the timer
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| 28 | * was armed.
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| 29 | * @function: timer expiry callback function
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| 30 | * @base: pointer to the timer base (per cpu and per clock)
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| 31 | * @is_queued: Indicates whether a timer is enqueued or not
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| 32 | * @is_rel: Set if the timer was armed relative
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| 33 | * @is_soft: Set if hrtimer will be expired in soft interrupt context.
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| 34 | * @is_hard: Set if hrtimer will be expired in hard interrupt context
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| 35 | * even on RT.
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| 36 | * @is_lazy: Set if the timer is frequently rearmed to avoid updates
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| 37 | * of the clock event device
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| 38 | *
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| 39 | * The hrtimer structure must be initialized by hrtimer_setup()
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| 40 |
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| 41 | struct hrtimer {
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| 42 | struct timerqueue_linked_node node;
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| 43 | struct hrtimer_clock_base *base;
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| 44 | bool is_queued;
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| 45 | bool is_rel;
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| 46 | bool is_soft;
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| 47 | bool is_hard;
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| 48 | bool is_lazy;
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| 49 | ktime_t _softexpires;
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| 50 | enum hrtimer_restart (*__private function)(struct hrtimer *);
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| 51 | };
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| 52 |
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| 53 | #endif
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