1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _FMD_TIME_H 28 #define _FMD_TIME_H 29 30 #include <sys/types.h> 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 36 typedef struct fmd_timeval { 37 uint64_t ftv_sec; /* seconds since gettimeofday(3C) Epoch */ 38 uint64_t ftv_nsec; /* nanoseconds past value of ftv_sec */ 39 } fmd_timeval_t; 40 41 typedef struct fmd_timeops { 42 void *(*fto_init)(void); 43 void (*fto_fini)(void *); 44 int (*fto_gettimeofday)(struct timeval *, void *); 45 hrtime_t (*fto_gethrtime)(void); 46 void (*fto_addhrtime)(hrtime_t); 47 void (*fto_waithrtime)(hrtime_t); 48 void (*fto_waitcancel)(pthread_t); 49 } fmd_timeops_t; 50 51 typedef struct fmd_timesim { 52 pthread_mutex_t fts_lock; /* lock protecting contents of fmd_timesim */ 53 pthread_cond_t fts_cv; /* condition variable for timerq wait */ 54 hrtime_t fts_tod; /* time-of-day nsec corresponding to hrt=0 */ 55 hrtime_t fts_hrt; /* hrtime clock in simulated universe */ 56 uint_t fts_cancel; /* count of pending fto_waitcancel()s */ 57 } fmd_timesim_t; 58 59 extern const fmd_timeops_t fmd_timeops_native; 60 extern const fmd_timeops_t fmd_timeops_simulated; 61 62 extern void fmd_time_gettimeofday(struct timeval *); 63 extern hrtime_t fmd_time_gethrtime(void); 64 extern void fmd_time_addhrtime(hrtime_t); 65 extern void fmd_time_waithrtime(hrtime_t); 66 extern void fmd_time_waitcancel(pthread_t); 67 extern void fmd_time_sync(fmd_timeval_t *, hrtime_t *, uint_t); 68 69 extern void fmd_time_hrt2tod(hrtime_t, const fmd_timeval_t *, 70 hrtime_t, fmd_timeval_t *); 71 72 extern void fmd_time_tod2hrt(hrtime_t, const fmd_timeval_t *, 73 const fmd_timeval_t *, hrtime_t *); 74 75 extern hrtime_t fmd_time_ena2hrt(hrtime_t, uint64_t); 76 77 #ifdef __cplusplus 78 } 79 #endif 80 81 #endif /* _FMD_TIME_H */ 82