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/*-
* Copyright (c) 2023 The FreeBSD Foundation
*
* This software was developed by Björn Zeeb under sponsorship from
* the FreeBSD Foundation.
*
* 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, 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
*/
#ifndef _LINUXKPI_LINUX_PTP_CLOCK_KERNEL_H
#define _LINUXKPI_LINUX_PTP_CLOCK_KERNEL_H
#include <linux/types.h>
#include <linux/device.h>
#include <linux/kernel.h> /* pr_debug */
#include <linux/ktime.h> /* system_device_crosststamp */
/* This very likely belongs elsewhere. */
struct system_device_crosststamp {
ktime_t device;
ktime_t sys_realtime;
ktime_t sys_monotonic_raw; /* name guessed based on comment */
};
struct ptp_clock_info {
char name[32];
int max_adj;
void *owner; /* THIS_MODULE */
int (*adjfine)(struct ptp_clock_info *, long);
int (*adjtime)(struct ptp_clock_info *, s64);
int (*getcrosststamp)(struct ptp_clock_info *, struct system_device_crosststamp *);
int (*gettime64)(struct ptp_clock_info *, struct timespec *);
};
static inline struct ptp_clock *
ptp_clock_register(struct ptp_clock_info *ptpci, struct device *dev)
{
pr_debug("%s: TODO\n", __func__);
return (NULL);
}
static inline void
ptp_clock_unregister(struct ptp_clock *ptpc)
{
pr_debug("%s: TODO\n", __func__);
}
static inline int
ptp_clock_index(struct ptp_clock *ptpc)
{
pr_debug("%s: TODO\n", __func__);
return (0);
}
#endif /* _LINUXKPI_LINUX_PTP_CLOCK_KERNEL_H */
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