osfmk/kern/etimer.h

   1 /*
   2  * Copyright (c) 2004-2005 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 /*
  23  * @OSF_COPYRIGHT@
  24  */
  25 /*
  26  * @APPLE_FREE_COPYRIGHT@
  27  */
  28 /*
  29  *      File:           etimer.h
  30  *      Purpose:        Routines for handling the machine independent
  31  *                              real-time clock.
  32  */
  33
  34 #ifndef _ETIMER_H_
  35 #define _ETIMER_H_
  36
  37 #define EndOfAllTime    0xFFFFFFFFFFFFFFFFULL
  38
  39 /* extern void rtclock_intr(int inuser, uint64_t iaddr);  - this is currently MD */
  40 typedef void (*etimer_intr_t)(int, uint64_t);
  41
  42 extern int setTimerReq(void);
  43 extern void etimer_intr(int inuser, uint64_t iaddr);
  44
  45 extern void etimer_set_deadline(uint64_t deadline);
  46 extern int setPop(uint64_t time);
  47
  48 extern void etimer_resync_deadlines(void);
  49
  50 extern uint32_t rtclock_tick_interval;
  51
  52 extern uint64_t tsc_to_nanoseconds(uint64_t abstime);
  53
  54 #if 0 /* this is currently still MD */
  55 #pragma pack(push,4)
  56 struct rtclock_timer_t  {
  57         uint64_t                deadline;
  58         uint32_t
  59         /*boolean_t*/   is_set:1,
  60                                         has_expired:1,
  61                                         :0;
  62 };
  63 #pragma pack(pop)
  64 typedef struct rtclock_timer_t rtclock_timer_t;
  65 #endif /* MD */
  66
  67
  68 #endif /* _ETIMER_H_ */