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75 lines
2.6 KiB
C
75 lines
2.6 KiB
C
/*-
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* Copyright (c) 2023 The FreeBSD Foundation
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*
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* This software was developed by Björn Zeeb under sponsorship from
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* the FreeBSD Foundation.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _LINUXKPI_LINUX_PTP_CLOCK_KERNEL_H
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#define _LINUXKPI_LINUX_PTP_CLOCK_KERNEL_H
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#include <linux/types.h>
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#include <linux/device.h>
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#include <linux/kernel.h> /* pr_debug */
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#include <linux/ktime.h> /* system_device_crosststamp */
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/* This very likely belongs elsewhere. */
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struct system_device_crosststamp {
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ktime_t device;
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ktime_t sys_realtime;
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ktime_t sys_monotonic_raw; /* name guessed based on comment */
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};
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struct ptp_clock_info {
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char name[32];
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int max_adj;
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void *owner; /* THIS_MODULE */
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int (*adjfine)(struct ptp_clock_info *, long);
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int (*adjtime)(struct ptp_clock_info *, s64);
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int (*getcrosststamp)(struct ptp_clock_info *, struct system_device_crosststamp *);
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int (*gettime64)(struct ptp_clock_info *, struct timespec *);
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};
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static inline struct ptp_clock *
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ptp_clock_register(struct ptp_clock_info *ptpci, struct device *dev)
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{
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pr_debug("%s: TODO\n", __func__);
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return (NULL);
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}
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static inline void
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ptp_clock_unregister(struct ptp_clock *ptpc)
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{
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pr_debug("%s: TODO\n", __func__);
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}
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static inline int
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ptp_clock_index(struct ptp_clock *ptpc)
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{
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pr_debug("%s: TODO\n", __func__);
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return (0);
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}
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#endif /* _LINUXKPI_LINUX_PTP_CLOCK_KERNEL_H */
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