bsd/sys/kern_overrides.h

   1 /*
   2  * Copyright (c) 2013 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 _SYS_KERN_OVERRIDES_H
  30 #define _SYS_KERN_OVERRIDES_H
  31
  32 #include <sys/cdefs.h>
  33 #include <sys/param.h>
  34 #include <sys/types.h>
  35 #include <stdint.h>
  36
  37 __BEGIN_DECLS
  38
  39 /* System Overrides Flags */
  40 #define SYS_OVERRIDE_DISABLE            0x0
  41 #define SYS_OVERRIDE_IO_THROTTLE        0x1
  42 #define SYS_OVERRIDE_CPU_THROTTLE       0x2
  43
  44
  45 #define SYS_OVERRIDE_FLAGS_MASK         (SYS_OVERRIDE_DISABLE | SYS_OVERRIDE_IO_THROTTLE | SYS_OVERRIDE_CPU_THROTTLE)
  46
  47 #ifdef BSD_KERNEL_PRIVATE
  48 void init_system_override(void);
  49 #endif
  50
  51 #ifndef KERNEL
  52 int system_override(uint64_t timeout, uint64_t flags);
  53 #endif
  54
  55 __END_DECLS
  56
  57 #endif /*_SYS_KERN_OVERRIDES_H */