83 lines
2.2 KiB
C
83 lines
2.2 KiB
C
/*
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* \brief Linux kernel API
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* \author Norman Feske
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* \author Sebastian Sumpf
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* \author Josef Soentgen
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* \author Stefan Kalkowski
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* \date 2014-08-21
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*
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* Based on the prototypes found in the Linux kernel's 'include/'.
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*/
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/*
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* Copyright (C) 2014-2017 Genode Labs GmbH
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*
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* This file is distributed under the terms of the GNU General Public License
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* version 2.
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*/
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/*******************
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** linux/timer.h **
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*******************/
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struct tvec_base;
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extern struct tvec_base boot_tvec_bases; /* needed by 'dwc_common_linux.c' */
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struct timer_list
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{
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unsigned long expires;
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void (*function)(struct timer_list*);
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unsigned int flags;
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/*
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* For compatibility with 4.4.3 drivers, the 'data' member is kept and
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* passed as argument to the callback function. Since the 4.16.3 callback
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* function interface has a 'timer_list' pointer as argument, the 'data'
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* member points to the 'timer_list' object itself when set up with the
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* 'timer_setup()' function.
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*/
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unsigned long data;
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};
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int mod_timer(struct timer_list *timer, unsigned long expires);
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int del_timer(struct timer_list * timer);
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void timer_setup(struct timer_list *timer,
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void (*callback)(struct timer_list *), unsigned int flags);
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int timer_pending(const struct timer_list * timer);
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unsigned long round_jiffies(unsigned long j);
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unsigned long round_jiffies_relative(unsigned long j);
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unsigned long round_jiffies_up(unsigned long j);
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static inline void add_timer(struct timer_list *timer) {
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mod_timer(timer, timer->expires); }
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static inline int del_timer_sync(struct timer_list * timer) {
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return del_timer(timer); }
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/*********************
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** linux/hrtimer.h **
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*********************/
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enum hrtimer_mode {
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HRTIMER_MODE_ABS = 0,
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HRTIMER_MODE_REL = 0x1,
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HRTIMER_MODE_REL_PINNED = 0x03,
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};
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enum hrtimer_restart {
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HRTIMER_NORESTART,
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HRTIMER_RESTART,
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};
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struct hrtimer
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{
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enum hrtimer_restart (*function)(struct hrtimer *);
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struct hrtimer *data;
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void *timer;
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};
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int hrtimer_start_range_ns(struct hrtimer *, ktime_t,
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unsigned long, const enum hrtimer_mode);
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void hrtimer_init(struct hrtimer *, clockid_t, enum hrtimer_mode);
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int hrtimer_cancel(struct hrtimer *);
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bool hrtimer_active(const struct hrtimer *);
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