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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 */