1/*-
2 * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD$
27 */
28
29#ifndef _OPENSOLARIS_SYS_ZONE_H_
30#define	_OPENSOLARIS_SYS_ZONE_H_
31
32#ifdef _KERNEL
33
34#include <sys/jail.h>
35
36/*
37 * Macros to help with zone visibility restrictions.
38 */
39
40/*
41 * Is thread in the global zone?
42 */
43#define	INGLOBALZONE(thread)	(!jailed((thread)->td_ucred))
44
45/*
46 * Attach the given dataset to the given jail.
47 */
48extern int zone_dataset_attach(struct ucred *, const char *, int);
49
50/*
51 * Detach the given dataset to the given jail.
52 */
53extern int zone_dataset_detach(struct ucred *, const char *, int);
54
55/*
56 * Returns true if the named pool/dataset is visible in the current zone.
57 */
58extern int zone_dataset_visible(const char *, int *);
59
60/*
61 * Safely get the hostid of the specified zone (defaults to machine's hostid
62 * if the specified zone doesn't emulate a hostid).  Passing NULL retrieves
63 * the global zone's (i.e., physical system's) hostid.
64 */
65extern uint32_t zone_get_hostid(void *);
66
67#else	/* !_KERNEL */
68
69#define	GLOBAL_ZONEID	0
70
71#endif	/* _KERNEL */
72
73#endif	/* !_OPENSOLARIS_SYS_ZONE_H_ */
74