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 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #include <sys/types.h> 33 34 #ifdef __cplusplus 35 extern "C" { 36 #endif 37 38 typedef struct fmd_timeval { 39 uint64_t ftv_sec; /* seconds since gettimeofday(3C) Epoch */ 40 uint64_t ftv_nsec; /* nanoseconds past value of ftv_sec */ 41 } fmd_timeval_t; 42 43 typedef struct fmd_timeops { 44 void *(*fto_init)(void); 45 void (*fto_fini)(void *); 46 int (*fto_gettimeofday)(struct timeval *, void *); 47 hrtime_t (*fto_gethrtime)(void); 48 void (*fto_addhrtime)(hrtime_t); 49 void (*fto_waithrtime)(hrtime_t); 50 void (*fto_waitcancel)(pthread_t); 51 } fmd_timeops_t; 52 53 typedef struct fmd_timesim { 54 pthread_mutex_t fts_lock; /* lock protecting contents of fmd_timesim */ 55 pthread_cond_t fts_cv; /* condition variable for timerq wait */ 56 hrtime_t fts_tod; /* time-of-day nsec corresponding to hrt=0 */ 57 hrtime_t fts_hrt; /* hrtime clock in simulated universe */ 58 uint_t fts_cancel; /* count of pending fto_waitcancel()s */ 59 } fmd_timesim_t; 60 61 extern const fmd_timeops_t fmd_timeops_native; 62 extern const fmd_timeops_t fmd_timeops_simulated; 63 64 extern void fmd_time_gettimeofday(struct timeval *); 65 extern hrtime_t fmd_time_gethrtime(void); 66 extern void fmd_time_addhrtime(hrtime_t); 67 extern void fmd_time_waithrtime(hrtime_t); 68 extern void fmd_time_waitcancel(pthread_t); 69 extern void fmd_time_sync(fmd_timeval_t *, hrtime_t *, uint_t); 70 71 extern void fmd_time_hrt2tod(hrtime_t, const fmd_timeval_t *, 72 hrtime_t, fmd_timeval_t *); 73 74 extern void fmd_time_tod2hrt(hrtime_t, const fmd_timeval_t *, 75 const fmd_timeval_t *, hrtime_t *); 76 77 extern hrtime_t fmd_time_ena2hrt(hrtime_t, uint64_t); 78 79 #ifdef __cplusplus 80 } 81 #endif 82 83 #endif /* _FMD_TIME_H */ 84