xref: /xnu-11215.41.3/bsd/skywalk/nexus/kpipe/nx_kernel_pipe.h (revision 33de042d024d46de5ff4e89f2471de6608e37fa4)
1 /*
2  * Copyright (c) 2015-2016 Apple Inc. All rights reserved.
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6  * This file contains Original Code and/or Modifications of Original Code
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8  * Version 2.0 (the 'License'). You may not use this file except in
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28 
29 /*
30  * Copyright (C) 2011-2014 Matteo Landi, Luigi Rizzo. All rights reserved.
31  * Copyright (C) 2013-2014 Universita` di Pisa. All rights reserved.
32  *
33  * Redistribution and use in source and binary forms, with or without
34  * modification, are permitted provided that the following conditions
35  * are met:
36  *   1. Redistributions of source code must retain the above copyright
37  *      notice, this list of conditions and the following disclaimer.
38  *   2. Redistributions in binary form must reproduce the above copyright
39  *      notice, this list of conditions and the following disclaimer in the
40  *    documentation and/or other materials provided with the distribution.
41  *
42  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
43  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
44  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
45  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
46  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
47  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
48  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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50  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
51  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
52  * SUCH DAMAGE.
53  */
54 
55 #ifndef _SKYWALK_NEXUS_KERNEL_PIPE_H_
56 #define _SKYWALK_NEXUS_KERNEL_PIPE_H_
57 
58 #include <skywalk/os_skywalk_private.h>
59 
60 #if CONFIG_NEXUS_KERNEL_PIPE
61 
62 struct nexus_kpipe_adapter {
63 	/*
64 	 * This is an overlay structure on nexus_adapter;
65 	 * make sure it contains 'up' as the first member.
66 	 */
67 	struct nexus_adapter kna_up;
68 };
69 
70 #define NEXUS_PROVIDER_KERNEL_PIPE      "com.apple.nexus.kpipe"
71 
72 extern struct nxdom nx_kpipe_dom_s;
73 
74 __BEGIN_DECLS
75 extern int nx_kpipe_na_find(struct kern_nexus *, struct kern_channel *,
76     struct chreq *, struct nxbind *, struct proc *, struct nexus_adapter **,
77     boolean_t);
78 __END_DECLS
79 
80 #if (DEVELOPMENT || DEBUG)
81 SYSCTL_DECL(_kern_skywalk_kpipe);
82 #endif /* !DEVELOPMENT && !DEBUG */
83 
84 #endif /* CONFIG_NEXUS_KERNEL_PIPE */
85 #endif /* _SKYWALK_NEXUS_KERNEL_PIPE_H_ */
86