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linux_acpi.c
(6.4 KB)
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linux_compat.c
(56.15 KB)
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linux_current.c
(5.98 KB)
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linux_devres.c
(5.61 KB)
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linux_dmi.c
(4.38 KB)
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linux_firmware.c
(5.51 KB)
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linux_fpu.c
(1.91 KB)
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linux_hrtimer.c
(3.25 KB)
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linux_idr.c
(16.5 KB)
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linux_kmod.c
(1.57 KB)
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linux_kthread.c
(4.21 KB)
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linux_lock.c
(4.35 KB)
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linux_page.c
(6.88 KB)
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linux_pci.c
(25.59 KB)
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linux_radix.c
(9.18 KB)
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linux_rcu.c
(9.98 KB)
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linux_schedule.c
(9.04 KB)
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linux_seq_file.c
(3.62 KB)
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linux_shmemfs.c
(3.65 KB)
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linux_shrinker.c
(3.37 KB)
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linux_slab.c
(4.22 KB)
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linux_tasklet.c
(6.12 KB)
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linux_usb.c
(46.71 KB)
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linux_work.c
(19.58 KB)
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linux_xarray.c
(8.6 KB)
Editing: linux_hrtimer.c
/*- * Copyright (c) 2017 Mark Johnston <markj@FreeBSD.org> * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice unmodified, this list of conditions, and the following * disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include <sys/cdefs.h> __FBSDID("$FreeBSD$"); #include <sys/param.h> #include <sys/systm.h> #include <sys/lock.h> #include <sys/mutex.h> #include <sys/time.h> #include <machine/cpu.h> #include <linux/hrtimer.h> static void hrtimer_call_handler(void *arg) { struct hrtimer *hrtimer; enum hrtimer_restart ret; hrtimer = arg; ret = hrtimer->function(hrtimer); if (ret == HRTIMER_RESTART) { callout_schedule_sbt(&hrtimer->callout, nstosbt(hrtimer->expires), nstosbt(hrtimer->precision), 0); } else { callout_deactivate(&hrtimer->callout); } } bool linux_hrtimer_active(struct hrtimer *hrtimer) { bool ret; mtx_lock(&hrtimer->mtx); ret = callout_active(&hrtimer->callout); mtx_unlock(&hrtimer->mtx); return (ret); } /* * Cancel active hrtimer. * Return 1 if timer was active and cancellation succeeded, or 0 otherwise. */ int linux_hrtimer_cancel(struct hrtimer *hrtimer) { return (callout_drain(&hrtimer->callout) > 0); } void linux_hrtimer_init(struct hrtimer *hrtimer) { memset(hrtimer, 0, sizeof(*hrtimer)); mtx_init(&hrtimer->mtx, "hrtimer", NULL, MTX_DEF | MTX_RECURSE | MTX_NOWITNESS); callout_init_mtx(&hrtimer->callout, &hrtimer->mtx, 0); } void linux_hrtimer_set_expires(struct hrtimer *hrtimer, ktime_t time) { hrtimer->expires = ktime_to_ns(time); } void linux_hrtimer_start(struct hrtimer *hrtimer, ktime_t time) { linux_hrtimer_start_range_ns(hrtimer, time, 0); } void linux_hrtimer_start_range_ns(struct hrtimer *hrtimer, ktime_t time, int64_t nsec) { mtx_lock(&hrtimer->mtx); hrtimer->precision = nsec; callout_reset_sbt(&hrtimer->callout, nstosbt(ktime_to_ns(time)), nstosbt(nsec), hrtimer_call_handler, hrtimer, 0); mtx_unlock(&hrtimer->mtx); } void linux_hrtimer_forward_now(struct hrtimer *hrtimer, ktime_t interval) { mtx_lock(&hrtimer->mtx); callout_reset_sbt(&hrtimer->callout, nstosbt(ktime_to_ns(interval)), nstosbt(hrtimer->precision), hrtimer_call_handler, hrtimer, 0); mtx_unlock(&hrtimer->mtx); }
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