xref: /xnu-8020.101.4/iokit/IOKit/IOBSD.h (revision e7776783b89a353188416a9a346c6cdb4928faad)
1 /*
2  * Copyright (c) 1998-2000 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 #ifndef _IOBSD_H
29 #define _IOBSD_H
30 
31 /*
32  * bsd-related registry properties
33  */
34 
35 #define kIOBSDKey      "IOBSD"     // (BSD subsystem resource)
36 #define kIOBSDNameKey  "BSD Name"  // (an OSString)
37 #define kIOBSDNamesKey "BSD Names" // (an OSDictionary of OSString's, for links)
38 #define kIOBSDMajorKey "BSD Major" // (an OSNumber)
39 #define kIOBSDMinorKey "BSD Minor" // (an OSNumber)
40 #define kIOBSDUnitKey  "BSD Unit"  // (an OSNumber)
41 
42 
43 #ifdef KERNEL_PRIVATE
44 
45 #include <stdint.h>
46 #include <kern/task.h>
47 
48 #ifdef __cplusplus
49 extern "C" {
50 #endif
51 
52 struct IOPolledFileIOVars;
53 struct mount;
54 
55 enum{
56 	kIOMountChangeMount      = 0x00000101,
57 	kIOMountChangeUnmount    = 0x00000102,
58 	kIOMountChangeWillResize = 0x00000201,
59 	kIOMountChangeDidResize  = 0x00000202,
60 };
61 extern void IOBSDMountChange(struct mount *mp, uint32_t op);
62 /*
63  *       Tests that the entitlement is present and true
64  */
65 extern boolean_t IOCurrentTaskHasEntitlement(const char * entitlement);
66 extern boolean_t IOTaskHasEntitlement(task_t task, const char *entitlement);
67 extern boolean_t IOVnodeHasEntitlement(struct vnode *vnode, int64_t off, const char *entitlement);
68 /*
69  * IOVnodeGetEntitlement returns a null-terminated string that must be freed with kfree_data().
70  */
71 extern char *IOVnodeGetEntitlement(struct vnode *vnode, int64_t offset, const char *entitlement);
72 
73 typedef enum {
74 	kIOPolledCoreFileModeNotInitialized,
75 	kIOPolledCoreFileModeDisabled,
76 	kIOPolledCoreFileModeClosed,
77 	kIOPolledCoreFileModeStackshot,
78 	kIOPolledCoreFileModeCoredump,
79 } IOPolledCoreFileMode_t;
80 
81 extern struct IOPolledFileIOVars * gIOPolledCoreFileVars;
82 extern kern_return_t gIOPolledCoreFileOpenRet;
83 extern IOPolledCoreFileMode_t gIOPolledCoreFileMode;
84 
85 #ifdef __cplusplus
86 }
87 #endif
88 
89 #endif /* XNU_KERNEL_PRIVATE */
90 
91 #endif /* !_IOBSD_H */
92