zfs-builds-mm/zfs-2.0.0-rc6/include/os/freebsd/spl/sys/zone.h

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2020-11-15 11:35:49 +01:00
/*
* Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _OPENSOLARIS_SYS_ZONE_H_
#define _OPENSOLARIS_SYS_ZONE_H_
#include <sys/jail.h>
/*
* Macros to help with zone visibility restrictions.
*/
#define GLOBAL_ZONEID 0
/*
* Is proc in the global zone?
*/
#define INGLOBALZONE(proc) (!jailed((proc)->p_ucred))
/*
* Attach the given dataset to the given jail.
*/
extern int zone_dataset_attach(struct ucred *, const char *, int);
/*
* Detach the given dataset to the given jail.
*/
extern int zone_dataset_detach(struct ucred *, const char *, int);
/*
* Returns true if the named pool/dataset is visible in the current zone.
*/
extern int zone_dataset_visible(const char *, int *);
/*
* Safely get the hostid of the specified zone (defaults to machine's hostid
* if the specified zone doesn't emulate a hostid). Passing NULL retrieves
* the global zone's (i.e., physical system's) hostid.
*/
extern uint32_t zone_get_hostid(void *);
#endif /* !_OPENSOLARIS_SYS_ZONE_H_ */