xref: /xnu-10063.141.1/bsd/sys/kas_info.h (revision d8b80295118ef25ac3a784134bcf95cd8e88109f)
1*d8b80295SApple OSS Distributions /*
2*d8b80295SApple OSS Distributions  * Copyright (c) 2011 Apple Inc. All rights reserved.
3*d8b80295SApple OSS Distributions  *
4*d8b80295SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*d8b80295SApple OSS Distributions  *
6*d8b80295SApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*d8b80295SApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*d8b80295SApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*d8b80295SApple OSS Distributions  * compliance with the License. The rights granted to you under the License
10*d8b80295SApple OSS Distributions  * may not be used to create, or enable the creation or redistribution of,
11*d8b80295SApple OSS Distributions  * unlawful or unlicensed copies of an Apple operating system, or to
12*d8b80295SApple OSS Distributions  * circumvent, violate, or enable the circumvention or violation of, any
13*d8b80295SApple OSS Distributions  * terms of an Apple operating system software license agreement.
14*d8b80295SApple OSS Distributions  *
15*d8b80295SApple OSS Distributions  * Please obtain a copy of the License at
16*d8b80295SApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*d8b80295SApple OSS Distributions  *
18*d8b80295SApple OSS Distributions  * The Original Code and all software distributed under the License are
19*d8b80295SApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*d8b80295SApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*d8b80295SApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*d8b80295SApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*d8b80295SApple OSS Distributions  * Please see the License for the specific language governing rights and
24*d8b80295SApple OSS Distributions  * limitations under the License.
25*d8b80295SApple OSS Distributions  *
26*d8b80295SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*d8b80295SApple OSS Distributions  */
28*d8b80295SApple OSS Distributions 
29*d8b80295SApple OSS Distributions #ifndef _SYS_KAS_INFO_H_
30*d8b80295SApple OSS Distributions #define _SYS_KAS_INFO_H_
31*d8b80295SApple OSS Distributions 
32*d8b80295SApple OSS Distributions #include <sys/cdefs.h>
33*d8b80295SApple OSS Distributions #include <Availability.h>
34*d8b80295SApple OSS Distributions 
35*d8b80295SApple OSS Distributions /*
36*d8b80295SApple OSS Distributions  * kas_info() ("Kernel Address Space Info") is a private interface that allows
37*d8b80295SApple OSS Distributions  * appropriately privileged system components to introspect the overall
38*d8b80295SApple OSS Distributions  * kernel address space layout.
39*d8b80295SApple OSS Distributions  */
40*d8b80295SApple OSS Distributions 
41*d8b80295SApple OSS Distributions __BEGIN_DECLS
42*d8b80295SApple OSS Distributions 
43*d8b80295SApple OSS Distributions /* The slide of the main kernel compared to its static link address */
44*d8b80295SApple OSS Distributions #define KAS_INFO_KERNEL_TEXT_SLIDE_SELECTOR     (0) /* returns uint64_t */
45*d8b80295SApple OSS Distributions #define KAS_INFO_KERNEL_SEGMENT_VMADDR_SELECTOR (1)
46*d8b80295SApple OSS Distributions 
47*d8b80295SApple OSS Distributions /* Return the SPTM/TXM slide if on a system configured to run those images. */
48*d8b80295SApple OSS Distributions #define KAS_INFO_SPTM_TEXT_SLIDE_SELECTOR       (2) /* returns uint64_t */
49*d8b80295SApple OSS Distributions #define KAS_INFO_TXM_TEXT_SLIDE_SELECTOR        (3) /* returns uint64_t */
50*d8b80295SApple OSS Distributions #define KAS_INFO_MAX_SELECTOR                   (4)
51*d8b80295SApple OSS Distributions 
52*d8b80295SApple OSS Distributions #ifndef KERNEL
53*d8b80295SApple OSS Distributions 
54*d8b80295SApple OSS Distributions int kas_info(int selector, void *value, size_t *size) __OSX_AVAILABLE_STARTING(__MAC_10_8, __IPHONE_6_0);
55*d8b80295SApple OSS Distributions 
56*d8b80295SApple OSS Distributions #endif /* KERNEL */
57*d8b80295SApple OSS Distributions 
58*d8b80295SApple OSS Distributions __END_DECLS
59*d8b80295SApple OSS Distributions 
60*d8b80295SApple OSS Distributions #endif  /* !_SYS_KAS_INFO_H_ */
61