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 27 #ifndef _OPENSOLARIS_SYS_ZONE_H_ 28 #define _OPENSOLARIS_SYS_ZONE_H_ 29 30 #ifdef _KERNEL 31 32 #include <sys/jail.h> 33 34 /* 35 * Macros to help with zone visibility restrictions. 36 */ 37 38 /* 39 * Is thread in the global zone? 40 */ 41 #define INGLOBALZONE(thread) (!jailed((thread)->td_ucred)) 42 43 /* 44 * Attach the given dataset to the given jail. 45 */ 46 extern int zone_dataset_attach(struct ucred *, const char *, int); 47 48 /* 49 * Detach the given dataset to the given jail. 50 */ 51 extern int zone_dataset_detach(struct ucred *, const char *, int); 52 53 /* 54 * Returns true if the named pool/dataset is visible in the current zone. 55 */ 56 extern int zone_dataset_visible(const char *, int *); 57 58 /* 59 * Safely get the hostid of the specified zone (defaults to machine's hostid 60 * if the specified zone doesn't emulate a hostid). Passing NULL retrieves 61 * the global zone's (i.e., physical system's) hostid. 62 */ 63 extern uint32_t zone_get_hostid(void *); 64 65 #else /* !_KERNEL */ 66 67 #define GLOBAL_ZONEID 0 68 69 #endif /* _KERNEL */ 70 71 #endif /* !_OPENSOLARIS_SYS_ZONE_H_ */ 72