osfmk/kern/etimer.h

   1 /*
   2  * Copyright (c) 2004-2005 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License.  The rights granted to you under the
  10  * License may not be used to create, or enable the creation or
  11  * redistribution of, unlawful or unlicensed copies of an Apple operating
  12  * system, or to circumvent, violate, or enable the circumvention or
  13  * violation of, any terms of an Apple operating system software license
  14  * agreement.
  15  *
  16  * Please obtain a copy of the License at
  17  * http://www.opensource.apple.com/apsl/ and read it before using this
  18  * file.
  19  *
  20  * The Original Code and all software distributed under the License are
  21  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  22  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  23  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  24  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  25  * Please see the License for the specific language governing rights and
  26  * limitations under the License.
  27  *
  28  * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
  29  */
  30 /*
  31  * @OSF_COPYRIGHT@
  32  */
  33 /*
  34  * @APPLE_FREE_COPYRIGHT@
  35  */
  36 /*
  37  *      File:           etimer.h
  38  *      Purpose:        Routines for handling the machine independent
  39  *                              real-time clock.
  40  */
  41
  42 #ifndef _ETIMER_H_
  43 #define _ETIMER_H_
  44
  45 #define EndOfAllTime    0xFFFFFFFFFFFFFFFFULL
  46
  47 /* extern void rtclock_intr(int inuser, uint64_t iaddr);  - this is currently MD */
  48 typedef void (*etimer_intr_t)(int, uint64_t);
  49
  50 extern int setTimerReq(void);
  51 extern void etimer_intr(int inuser, uint64_t iaddr);
  52
  53 extern void etimer_set_deadline(uint64_t deadline);
  54 extern int setPop(uint64_t time);
  55
  56 extern void etimer_resync_deadlines(void);
  57
  58 extern uint32_t rtclock_tick_interval;
  59
  60 extern uint64_t tsc_to_nanoseconds(uint64_t abstime);
  61
  62 #if 0 /* this is currently still MD */
  63 #pragma pack(push,4)
  64 struct rtclock_timer_t  {
  65         uint64_t                deadline;
  66         uint32_t
  67         /*boolean_t*/   is_set:1,
  68                                         has_expired:1,
  69                                         :0;
  70 };
  71 #pragma pack(pop)
  72 typedef struct rtclock_timer_t rtclock_timer_t;
  73 #endif /* MD */
  74
  75
  76 #endif /* _ETIMER_H_ */