1 /*- 2 * Copyright (c) 2023 The FreeBSD Foundation 3 * 4 * This software was developed by Björn Zeeb under sponsorship from 5 * the FreeBSD Foundation. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #ifndef _LINUXKPI_LINUX_PTP_CLOCK_KERNEL_H 30 #define _LINUXKPI_LINUX_PTP_CLOCK_KERNEL_H 31 32 #include <linux/types.h> 33 #include <linux/device.h> 34 #include <linux/kernel.h> /* pr_debug */ 35 #include <linux/ktime.h> /* system_device_crosststamp */ 36 37 /* This very likely belongs elsewhere. */ 38 struct system_device_crosststamp { 39 ktime_t device; 40 ktime_t sys_realtime; 41 ktime_t sys_monotonic_raw; /* name guessed based on comment */ 42 }; 43 44 struct ptp_clock_info { 45 char name[32]; 46 int max_adj; 47 void *owner; /* THIS_MODULE */ 48 int (*adjfine)(struct ptp_clock_info *, long); 49 int (*adjtime)(struct ptp_clock_info *, s64); 50 int (*getcrosststamp)(struct ptp_clock_info *, struct system_device_crosststamp *); 51 int (*gettime64)(struct ptp_clock_info *, struct timespec *); 52 }; 53 54 static inline struct ptp_clock * 55 ptp_clock_register(struct ptp_clock_info *ptpci, struct device *dev) 56 { 57 58 pr_debug("%s: TODO\n", __func__); 59 return (NULL); 60 } 61 62 static inline void 63 ptp_clock_unregister(struct ptp_clock *ptpc) 64 { 65 pr_debug("%s: TODO\n", __func__); 66 } 67 68 static inline int 69 ptp_clock_index(struct ptp_clock *ptpc) 70 { 71 pr_debug("%s: TODO\n", __func__); 72 return (0); 73 } 74 75 #endif /* _LINUXKPI_LINUX_PTP_CLOCK_KERNEL_H */ 76