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 (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _SYS_MACHCLOCK_H 28 #define _SYS_MACHCLOCK_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 36 /* 37 * tod module name and operations 38 */ 39 40 struct tod_ops; 41 typedef struct tod_ops tod_ops_t; 42 43 /* 44 * TOD Ops. 45 * The only functions that _must_ be defined are the tod_get() and 46 * tod_set() functions. All others may be unused, and need to be 47 * checked for NULL before using. 48 */ 49 struct tod_ops { 50 int tod_version; 51 timestruc_t (*tod_get)(tod_ops_t *); 52 void (*tod_set)(tod_ops_t *, timestruc_t); 53 uint_t (*tod_set_watchdog_timer)(tod_ops_t *, int); 54 uint_t (*tod_clear_watchdog_timer)(tod_ops_t *); 55 void (*tod_set_wake_alarm)(tod_ops_t *, int); 56 void (*tod_clear_wake_alarm)(tod_ops_t *); 57 struct tod_ops *tod_next; 58 }; 59 60 #define TOD_OPS_VERSION 1 61 62 extern tod_ops_t *tod_ops; 63 extern char *tod_module_name; 64 65 #define TODOP_GET(top) ((top)->tod_get(top)) 66 #define TODOP_SET(top, ts) ((top)->tod_set(top, ts)) 67 #define TODOP_SETWD(top, nsec) ((top)->tod_set_watchdog_timer(top, nsec)) 68 #define TODOP_CLRWD(top) ((top)->tod_clear_watchdog_timer(top)) 69 #define TODOP_SETWAKE(top, nsec) ((top)->tod_set_wake_alarm(top, nsec)) 70 #define TODOP_CLRWAKE(top) ((top)->tod_clear_wake_alarm(top)) 71 72 #ifdef __cplusplus 73 } 74 #endif 75 76 #endif /* _SYS_MACHCLOCK_H */ 77