osfmk/arm/commpage/commpage.h

   1 /*
   2  * Copyright (c) 2003-2008 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_LICENSE_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 License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28
  29 #ifndef _ARM_COMMPAGE_H
  30 #define _ARM_COMMPAGE_H
  31
  32 #ifndef __ASSEMBLER__
  33 #include <stdint.h>
  34 #endif /* __ASSEMBLER__ */
  35
  36 extern void     commpage_set_timestamp(uint64_t tbr, uint64_t secs, uint64_t frac, uint64_t scale, uint64_t tick_per_sec);
  37 #define commpage_disable_timestamp() commpage_set_timestamp( 0, 0, 0, 0, 0 );
  38 extern  void    commpage_set_memory_pressure( unsigned int pressure );
  39 extern  void    commpage_update_active_cpus(void);
  40 extern  void    commpage_set_spin_count(unsigned int  count);
  41 extern  void    commpage_update_timebase(void);
  42 extern  void    commpage_update_mach_approximate_time(uint64_t);
  43 extern  void    commpage_update_kdebug_state(void);
  44 extern  void    commpage_update_atm_diagnostic_config(uint32_t);
  45 extern  void    commpage_update_mach_continuous_time(uint64_t sleeptime);
  46 extern  void    commpage_update_multiuser_config(uint32_t);
  47 extern  void    commpage_update_boottime(uint64_t boottime_usec);
  48
  49 #endif /* _ARM_COMMPAGE_H */