17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 545916cd2Sjpk * Common Development and Distribution License (the "License"). 645916cd2Sjpk * You may not use this file except in compliance with the License. 77c478bd9Sstevel@tonic-gate * 87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 117c478bd9Sstevel@tonic-gate * and limitations under the License. 127c478bd9Sstevel@tonic-gate * 137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 187c478bd9Sstevel@tonic-gate * 197c478bd9Sstevel@tonic-gate * CDDL HEADER END 207c478bd9Sstevel@tonic-gate */ 217c478bd9Sstevel@tonic-gate /* 22134a1f4eSCasper H.S. Dik * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. 237c478bd9Sstevel@tonic-gate */ 247c478bd9Sstevel@tonic-gate 257c478bd9Sstevel@tonic-gate #ifndef _SYS_ZONE_H 267c478bd9Sstevel@tonic-gate #define _SYS_ZONE_H 277c478bd9Sstevel@tonic-gate 287c478bd9Sstevel@tonic-gate #include <sys/types.h> 297c478bd9Sstevel@tonic-gate #include <sys/mutex.h> 307c478bd9Sstevel@tonic-gate #include <sys/param.h> 317c478bd9Sstevel@tonic-gate #include <sys/rctl.h> 32824c205fSml #include <sys/ipc_rctl.h> 337c478bd9Sstevel@tonic-gate #include <sys/pset.h> 3445916cd2Sjpk #include <sys/tsol/label.h> 35f4b3ec61Sdh #include <sys/cred.h> 36f4b3ec61Sdh #include <sys/netstack.h> 373f2f09c1Sdp #include <sys/uadmin.h> 38835ee219SRobert Harris #include <sys/ksynch.h> 397c478bd9Sstevel@tonic-gate 407c478bd9Sstevel@tonic-gate #ifdef __cplusplus 417c478bd9Sstevel@tonic-gate extern "C" { 427c478bd9Sstevel@tonic-gate #endif 437c478bd9Sstevel@tonic-gate 447c478bd9Sstevel@tonic-gate /* 457c478bd9Sstevel@tonic-gate * NOTE 467c478bd9Sstevel@tonic-gate * 477c478bd9Sstevel@tonic-gate * The contents of this file are private to the implementation of 487c478bd9Sstevel@tonic-gate * Solaris and are subject to change at any time without notice. 497c478bd9Sstevel@tonic-gate * Applications and drivers using these interfaces may fail to 507c478bd9Sstevel@tonic-gate * run on future releases. 517c478bd9Sstevel@tonic-gate */ 527c478bd9Sstevel@tonic-gate 537c478bd9Sstevel@tonic-gate /* Available both in kernel and for user space */ 547c478bd9Sstevel@tonic-gate 557c478bd9Sstevel@tonic-gate /* zone id restrictions and special ids */ 567c478bd9Sstevel@tonic-gate #define MAX_ZONEID 9999 577c478bd9Sstevel@tonic-gate #define MIN_USERZONEID 1 /* lowest user-creatable zone ID */ 587c478bd9Sstevel@tonic-gate #define MIN_ZONEID 0 /* minimum zone ID on system */ 597c478bd9Sstevel@tonic-gate #define GLOBAL_ZONEID 0 607c478bd9Sstevel@tonic-gate #define ZONEID_WIDTH 4 /* for printf */ 617c478bd9Sstevel@tonic-gate 6245916cd2Sjpk /* 6345916cd2Sjpk * Special zoneid_t token to refer to all zones. 6445916cd2Sjpk */ 6545916cd2Sjpk #define ALL_ZONES (-1) 6645916cd2Sjpk 677c478bd9Sstevel@tonic-gate /* system call subcodes */ 68f4b3ec61Sdh #define ZONE_CREATE 0 69f4b3ec61Sdh #define ZONE_DESTROY 1 70f4b3ec61Sdh #define ZONE_GETATTR 2 71f4b3ec61Sdh #define ZONE_ENTER 3 72f4b3ec61Sdh #define ZONE_LIST 4 73f4b3ec61Sdh #define ZONE_SHUTDOWN 5 74f4b3ec61Sdh #define ZONE_LOOKUP 6 75f4b3ec61Sdh #define ZONE_BOOT 7 76f4b3ec61Sdh #define ZONE_VERSION 8 77f4b3ec61Sdh #define ZONE_SETATTR 9 78f4b3ec61Sdh #define ZONE_ADD_DATALINK 10 79f4b3ec61Sdh #define ZONE_DEL_DATALINK 11 80f4b3ec61Sdh #define ZONE_CHECK_DATALINK 12 81f4b3ec61Sdh #define ZONE_LIST_DATALINK 13 827c478bd9Sstevel@tonic-gate 837c478bd9Sstevel@tonic-gate /* zone attributes */ 847c478bd9Sstevel@tonic-gate #define ZONE_ATTR_ROOT 1 857c478bd9Sstevel@tonic-gate #define ZONE_ATTR_NAME 2 867c478bd9Sstevel@tonic-gate #define ZONE_ATTR_STATUS 3 877c478bd9Sstevel@tonic-gate #define ZONE_ATTR_PRIVSET 4 887c478bd9Sstevel@tonic-gate #define ZONE_ATTR_UNIQID 5 897c478bd9Sstevel@tonic-gate #define ZONE_ATTR_POOLID 6 907c478bd9Sstevel@tonic-gate #define ZONE_ATTR_INITPID 7 9145916cd2Sjpk #define ZONE_ATTR_SLBL 8 923f2f09c1Sdp #define ZONE_ATTR_INITNAME 9 933f2f09c1Sdp #define ZONE_ATTR_BOOTARGS 10 949acbbeafSnn #define ZONE_ATTR_BRAND 11 950209230bSgjelinek #define ZONE_ATTR_PHYS_MCAP 12 960209230bSgjelinek #define ZONE_ATTR_SCHED_CLASS 13 97f4b3ec61Sdh #define ZONE_ATTR_FLAGS 14 985679c89fSjv #define ZONE_ATTR_HOSTID 15 990fbb751dSJohn Levon #define ZONE_ATTR_FS_ALLOWED 16 1009acbbeafSnn 1019acbbeafSnn /* Start of the brand-specific attribute namespace */ 1029acbbeafSnn #define ZONE_ATTR_BRAND_ATTRS 32768 1037c478bd9Sstevel@tonic-gate 1040fbb751dSJohn Levon #define ZONE_FS_ALLOWED_MAX 1024 1050fbb751dSJohn Levon 106cf8f45c7Sdstaff #define ZONE_EVENT_CHANNEL "com.sun:zones:status" 107cf8f45c7Sdstaff #define ZONE_EVENT_STATUS_CLASS "status" 108cf8f45c7Sdstaff #define ZONE_EVENT_STATUS_SUBCLASS "change" 109cf8f45c7Sdstaff 110cf8f45c7Sdstaff #define ZONE_EVENT_UNINITIALIZED "uninitialized" 111bd41d0a8Snordmark #define ZONE_EVENT_INITIALIZED "initialized" 112cf8f45c7Sdstaff #define ZONE_EVENT_READY "ready" 113cf8f45c7Sdstaff #define ZONE_EVENT_RUNNING "running" 114cf8f45c7Sdstaff #define ZONE_EVENT_SHUTTING_DOWN "shutting_down" 115cf8f45c7Sdstaff 116cf8f45c7Sdstaff #define ZONE_CB_NAME "zonename" 117cf8f45c7Sdstaff #define ZONE_CB_NEWSTATE "newstate" 118cf8f45c7Sdstaff #define ZONE_CB_OLDSTATE "oldstate" 119cf8f45c7Sdstaff #define ZONE_CB_TIMESTAMP "when" 120cf8f45c7Sdstaff #define ZONE_CB_ZONEID "zoneid" 121cf8f45c7Sdstaff 1229acbbeafSnn /* 1239acbbeafSnn * Exit values that may be returned by scripts or programs invoked by various 1249acbbeafSnn * zone commands. 1259acbbeafSnn * 1269acbbeafSnn * These are defined as: 1279acbbeafSnn * 1289acbbeafSnn * ZONE_SUBPROC_OK 1299acbbeafSnn * =============== 1309acbbeafSnn * The subprocess completed successfully. 1319acbbeafSnn * 1329acbbeafSnn * ZONE_SUBPROC_USAGE 1339acbbeafSnn * ================== 1349acbbeafSnn * The subprocess failed with a usage message, or a usage message should 1359acbbeafSnn * be output in its behalf. 1369acbbeafSnn * 1379acbbeafSnn * ZONE_SUBPROC_NOTCOMPLETE 1389acbbeafSnn * ======================== 1399acbbeafSnn * The subprocess did not complete, but the actions performed by the 1409acbbeafSnn * subprocess require no recovery actions by the user. 1419acbbeafSnn * 1429acbbeafSnn * For example, if the subprocess were called by "zoneadm install," the 1439acbbeafSnn * installation of the zone did not succeed but the user need not perform 1449acbbeafSnn * a "zoneadm uninstall" before attempting another install. 1459acbbeafSnn * 1469acbbeafSnn * ZONE_SUBPROC_FATAL 1479acbbeafSnn * ================== 1489acbbeafSnn * The subprocess failed in a fatal manner, usually one that will require 1499acbbeafSnn * some type of recovery action by the user. 1509acbbeafSnn * 1519acbbeafSnn * For example, if the subprocess were called by "zoneadm install," the 1529acbbeafSnn * installation of the zone did not succeed and the user will need to 1539acbbeafSnn * perform a "zoneadm uninstall" before another install attempt is 1549acbbeafSnn * possible. 1559acbbeafSnn * 1569acbbeafSnn * The non-success exit values are large to avoid accidental collision 1579acbbeafSnn * with values used internally by some commands (e.g. "Z_ERR" and 1589acbbeafSnn * "Z_USAGE" as used by zoneadm.) 1599acbbeafSnn */ 1609acbbeafSnn #define ZONE_SUBPROC_OK 0 1619acbbeafSnn #define ZONE_SUBPROC_USAGE 253 1629acbbeafSnn #define ZONE_SUBPROC_NOTCOMPLETE 254 1639acbbeafSnn #define ZONE_SUBPROC_FATAL 255 1649acbbeafSnn 1657c478bd9Sstevel@tonic-gate #ifdef _SYSCALL32 1667c478bd9Sstevel@tonic-gate typedef struct { 1677c478bd9Sstevel@tonic-gate caddr32_t zone_name; 1687c478bd9Sstevel@tonic-gate caddr32_t zone_root; 1697c478bd9Sstevel@tonic-gate caddr32_t zone_privs; 170821c4a97Sdp size32_t zone_privssz; 1717c478bd9Sstevel@tonic-gate caddr32_t rctlbuf; 1727c478bd9Sstevel@tonic-gate size32_t rctlbufsz; 1737c478bd9Sstevel@tonic-gate caddr32_t extended_error; 174fa9e4066Sahrens caddr32_t zfsbuf; 175fa9e4066Sahrens size32_t zfsbufsz; 17642bc57c4Srica int match; /* match level */ 17742bc57c4Srica uint32_t doi; /* DOI for label */ 17842bc57c4Srica caddr32_t label; /* label associated with zone */ 179f4b3ec61Sdh int flags; 1807c478bd9Sstevel@tonic-gate } zone_def32; 1817c478bd9Sstevel@tonic-gate #endif 1827c478bd9Sstevel@tonic-gate typedef struct { 1837c478bd9Sstevel@tonic-gate const char *zone_name; 1847c478bd9Sstevel@tonic-gate const char *zone_root; 1857c478bd9Sstevel@tonic-gate const struct priv_set *zone_privs; 186821c4a97Sdp size_t zone_privssz; 1877c478bd9Sstevel@tonic-gate const char *rctlbuf; 1887c478bd9Sstevel@tonic-gate size_t rctlbufsz; 1897c478bd9Sstevel@tonic-gate int *extended_error; 190fa9e4066Sahrens const char *zfsbuf; 191fa9e4066Sahrens size_t zfsbufsz; 19245916cd2Sjpk int match; /* match level */ 19342bc57c4Srica uint32_t doi; /* DOI for label */ 19445916cd2Sjpk const bslabel_t *label; /* label associated with zone */ 195f4b3ec61Sdh int flags; 1967c478bd9Sstevel@tonic-gate } zone_def; 1977c478bd9Sstevel@tonic-gate 1987c478bd9Sstevel@tonic-gate /* extended error information */ 1997c478bd9Sstevel@tonic-gate #define ZE_UNKNOWN 0 /* No extended error info */ 2007c478bd9Sstevel@tonic-gate #define ZE_CHROOTED 1 /* tried to zone_create from chroot */ 2017c478bd9Sstevel@tonic-gate #define ZE_AREMOUNTS 2 /* there are mounts within the zone */ 2028c55461bSton #define ZE_LABELINUSE 3 /* label is already in use by some other zone */ 2037c478bd9Sstevel@tonic-gate 2047c478bd9Sstevel@tonic-gate /* zone_status */ 2057c478bd9Sstevel@tonic-gate typedef enum { 2067c478bd9Sstevel@tonic-gate ZONE_IS_UNINITIALIZED = 0, 207bd41d0a8Snordmark ZONE_IS_INITIALIZED, 2087c478bd9Sstevel@tonic-gate ZONE_IS_READY, 2097c478bd9Sstevel@tonic-gate ZONE_IS_BOOTING, 2107c478bd9Sstevel@tonic-gate ZONE_IS_RUNNING, 2117c478bd9Sstevel@tonic-gate ZONE_IS_SHUTTING_DOWN, 2127c478bd9Sstevel@tonic-gate ZONE_IS_EMPTY, 2137c478bd9Sstevel@tonic-gate ZONE_IS_DOWN, 2147c478bd9Sstevel@tonic-gate ZONE_IS_DYING, 2157c478bd9Sstevel@tonic-gate ZONE_IS_DEAD 2167c478bd9Sstevel@tonic-gate } zone_status_t; 2177c478bd9Sstevel@tonic-gate #define ZONE_MIN_STATE ZONE_IS_UNINITIALIZED 2187c478bd9Sstevel@tonic-gate #define ZONE_MAX_STATE ZONE_IS_DEAD 2197c478bd9Sstevel@tonic-gate 2207c478bd9Sstevel@tonic-gate /* 2217c478bd9Sstevel@tonic-gate * Valid commands which may be issued by zoneadm to zoneadmd. The kernel also 2227c478bd9Sstevel@tonic-gate * communicates with zoneadmd, but only uses Z_REBOOT and Z_HALT. 2237c478bd9Sstevel@tonic-gate */ 2247c478bd9Sstevel@tonic-gate typedef enum zone_cmd { 2259acbbeafSnn Z_READY, Z_BOOT, Z_FORCEBOOT, Z_REBOOT, Z_HALT, Z_NOTE_UNINSTALLING, 2269acbbeafSnn Z_MOUNT, Z_FORCEMOUNT, Z_UNMOUNT 2277c478bd9Sstevel@tonic-gate } zone_cmd_t; 2287c478bd9Sstevel@tonic-gate 2297c478bd9Sstevel@tonic-gate /* 2307c478bd9Sstevel@tonic-gate * The structure of a request to zoneadmd. 2317c478bd9Sstevel@tonic-gate */ 2327c478bd9Sstevel@tonic-gate typedef struct zone_cmd_arg { 2337c478bd9Sstevel@tonic-gate uint64_t uniqid; /* unique "generation number" */ 2347c478bd9Sstevel@tonic-gate zone_cmd_t cmd; /* requested action */ 2353f2f09c1Sdp uint32_t _pad; /* need consistent 32/64 bit alignmt */ 2367c478bd9Sstevel@tonic-gate char locale[MAXPATHLEN]; /* locale in which to render messages */ 2373f2f09c1Sdp char bootbuf[BOOTARGS_MAX]; /* arguments passed to zone_boot() */ 2387c478bd9Sstevel@tonic-gate } zone_cmd_arg_t; 2397c478bd9Sstevel@tonic-gate 2407c478bd9Sstevel@tonic-gate /* 2417c478bd9Sstevel@tonic-gate * Structure of zoneadmd's response to a request. A NULL return value means 2427c478bd9Sstevel@tonic-gate * the caller should attempt to restart zoneadmd and retry. 2437c478bd9Sstevel@tonic-gate */ 2447c478bd9Sstevel@tonic-gate typedef struct zone_cmd_rval { 2457c478bd9Sstevel@tonic-gate int rval; /* return value of request */ 2467c478bd9Sstevel@tonic-gate char errbuf[1]; /* variable-sized buffer containing error messages */ 2477c478bd9Sstevel@tonic-gate } zone_cmd_rval_t; 2487c478bd9Sstevel@tonic-gate 2497c478bd9Sstevel@tonic-gate /* 2507c478bd9Sstevel@tonic-gate * The zone support infrastructure uses the zone name as a component 2517c478bd9Sstevel@tonic-gate * of unix domain (AF_UNIX) sockets, which are limited to 108 characters 2527c478bd9Sstevel@tonic-gate * in length, so ZONENAME_MAX is limited by that. 2537c478bd9Sstevel@tonic-gate */ 2547c478bd9Sstevel@tonic-gate #define ZONENAME_MAX 64 2557c478bd9Sstevel@tonic-gate 2567c478bd9Sstevel@tonic-gate #define GLOBAL_ZONENAME "global" 2577c478bd9Sstevel@tonic-gate 2587c478bd9Sstevel@tonic-gate /* 2597c478bd9Sstevel@tonic-gate * Extended Regular expression (see regex(5)) which matches all valid zone 2607c478bd9Sstevel@tonic-gate * names. 2617c478bd9Sstevel@tonic-gate */ 2627c478bd9Sstevel@tonic-gate #define ZONENAME_REGEXP "[a-zA-Z0-9][-_.a-zA-Z0-9]{0,62}" 2637c478bd9Sstevel@tonic-gate 2647c478bd9Sstevel@tonic-gate /* 2657c478bd9Sstevel@tonic-gate * Where the zones support infrastructure places temporary files. 2667c478bd9Sstevel@tonic-gate */ 2677c478bd9Sstevel@tonic-gate #define ZONES_TMPDIR "/var/run/zones" 2687c478bd9Sstevel@tonic-gate 2697c478bd9Sstevel@tonic-gate /* 2707c478bd9Sstevel@tonic-gate * The path to the door used by clients to communicate with zoneadmd. 2717c478bd9Sstevel@tonic-gate */ 2727c478bd9Sstevel@tonic-gate #define ZONE_DOOR_PATH ZONES_TMPDIR "/%s.zoneadmd_door" 2737c478bd9Sstevel@tonic-gate 274f4b3ec61Sdh /* zone_flags */ 275f4b3ec61Sdh #define ZF_HASHED_LABEL 0x2 /* zone has a unique label */ 276f4b3ec61Sdh #define ZF_IS_SCRATCH 0x4 /* scratch zone */ 277f4b3ec61Sdh #define ZF_NET_EXCL 0x8 /* Zone has an exclusive IP stack */ 278f4b3ec61Sdh 279f4b3ec61Sdh /* zone_create flags */ 280f4b3ec61Sdh #define ZCF_NET_EXCL 0x1 /* Create a zone with exclusive IP */ 281f4b3ec61Sdh 2827c478bd9Sstevel@tonic-gate #ifdef _KERNEL 2837c478bd9Sstevel@tonic-gate /* 2847c478bd9Sstevel@tonic-gate * We need to protect the definition of 'list_t' from userland applications and 2857c478bd9Sstevel@tonic-gate * libraries which may be defining ther own versions. 2867c478bd9Sstevel@tonic-gate */ 2877c478bd9Sstevel@tonic-gate #include <sys/list.h> 2887c478bd9Sstevel@tonic-gate 2897c478bd9Sstevel@tonic-gate #define GLOBAL_ZONEUNIQID 0 /* uniqid of the global zone */ 2907c478bd9Sstevel@tonic-gate 2917c478bd9Sstevel@tonic-gate struct pool; 2929acbbeafSnn struct brand; 2937c478bd9Sstevel@tonic-gate 294fa9e4066Sahrens /* 295fa9e4066Sahrens * Structure to record list of ZFS datasets exported to a zone. 296fa9e4066Sahrens */ 297fa9e4066Sahrens typedef struct zone_dataset { 298fa9e4066Sahrens char *zd_dataset; 299fa9e4066Sahrens list_node_t zd_linkage; 300fa9e4066Sahrens } zone_dataset_t; 301fa9e4066Sahrens 3020209230bSgjelinek /* 3030209230bSgjelinek * structure for zone kstats 3040209230bSgjelinek */ 3050209230bSgjelinek typedef struct zone_kstat { 3060209230bSgjelinek kstat_named_t zk_zonename; 3070209230bSgjelinek kstat_named_t zk_usage; 3080209230bSgjelinek kstat_named_t zk_value; 3090209230bSgjelinek } zone_kstat_t; 3100209230bSgjelinek 311c97ad5cdSakolb struct cpucap; 312c97ad5cdSakolb 3137c478bd9Sstevel@tonic-gate typedef struct zone { 3147c478bd9Sstevel@tonic-gate /* 3157c478bd9Sstevel@tonic-gate * zone_name is never modified once set. 3167c478bd9Sstevel@tonic-gate */ 3177c478bd9Sstevel@tonic-gate char *zone_name; /* zone's configuration name */ 3187c478bd9Sstevel@tonic-gate /* 3197c478bd9Sstevel@tonic-gate * zone_nodename and zone_domain are never freed once allocated. 3207c478bd9Sstevel@tonic-gate */ 3217c478bd9Sstevel@tonic-gate char *zone_nodename; /* utsname.nodename equivalent */ 3227c478bd9Sstevel@tonic-gate char *zone_domain; /* srpc_domain equivalent */ 3235679c89fSjv /* 3245679c89fSjv * zone_hostid is used for per-zone hostid emulation. 3255679c89fSjv * Currently it isn't modified after it's set (so no locks protect 3265679c89fSjv * accesses), but that might have to change when we allow 3275679c89fSjv * administrators to change running zones' properties. 3285679c89fSjv * 3295679c89fSjv * The global zone's zone_hostid must always be HW_INVALID_HOSTID so 3305679c89fSjv * that zone_get_hostid() will function correctly. 3315679c89fSjv */ 3325679c89fSjv uint32_t zone_hostid; /* zone's hostid, HW_INVALID_HOSTID */ 3335679c89fSjv /* if not emulated */ 3347c478bd9Sstevel@tonic-gate /* 3357c478bd9Sstevel@tonic-gate * zone_lock protects the following fields of a zone_t: 3367c478bd9Sstevel@tonic-gate * zone_ref 3377c478bd9Sstevel@tonic-gate * zone_cred_ref 3387c478bd9Sstevel@tonic-gate * zone_ntasks 3397c478bd9Sstevel@tonic-gate * zone_flags 3407c478bd9Sstevel@tonic-gate * zone_zsd 341134a1f4eSCasper H.S. Dik * zone_pfexecd 3427c478bd9Sstevel@tonic-gate */ 3437c478bd9Sstevel@tonic-gate kmutex_t zone_lock; 3447c478bd9Sstevel@tonic-gate /* 3457c478bd9Sstevel@tonic-gate * zone_linkage is the zone's linkage into the active or 3467c478bd9Sstevel@tonic-gate * death-row list. The field is protected by zonehash_lock. 3477c478bd9Sstevel@tonic-gate */ 3487c478bd9Sstevel@tonic-gate list_node_t zone_linkage; 3497c478bd9Sstevel@tonic-gate zoneid_t zone_id; /* ID of zone */ 3507c478bd9Sstevel@tonic-gate uint_t zone_ref; /* count of zone_hold()s on zone */ 3517c478bd9Sstevel@tonic-gate uint_t zone_cred_ref; /* count of zone_hold_cred()s on zone */ 3527c478bd9Sstevel@tonic-gate /* 3537c478bd9Sstevel@tonic-gate * zone_rootvp and zone_rootpath can never be modified once set. 3547c478bd9Sstevel@tonic-gate */ 3557c478bd9Sstevel@tonic-gate struct vnode *zone_rootvp; /* zone's root vnode */ 3567c478bd9Sstevel@tonic-gate char *zone_rootpath; /* Path to zone's root + '/' */ 3577c478bd9Sstevel@tonic-gate ushort_t zone_flags; /* misc flags */ 3587c478bd9Sstevel@tonic-gate zone_status_t zone_status; /* protected by zone_status_lock */ 3597c478bd9Sstevel@tonic-gate uint_t zone_ntasks; /* number of tasks executing in zone */ 3607c478bd9Sstevel@tonic-gate kmutex_t zone_nlwps_lock; /* protects zone_nlwps, and *_nlwps */ 3617c478bd9Sstevel@tonic-gate /* counters in projects and tasks */ 3627c478bd9Sstevel@tonic-gate /* that are within the zone */ 3637c478bd9Sstevel@tonic-gate rctl_qty_t zone_nlwps; /* number of lwps in zone */ 3647c478bd9Sstevel@tonic-gate rctl_qty_t zone_nlwps_ctl; /* protected by zone_rctls->rcs_lock */ 365824c205fSml rctl_qty_t zone_shmmax; /* System V shared memory usage */ 366824c205fSml ipc_rqty_t zone_ipc; /* System V IPC id resource usage */ 3677c478bd9Sstevel@tonic-gate 3687c478bd9Sstevel@tonic-gate uint_t zone_rootpathlen; /* strlen(zone_rootpath) + 1 */ 3697c478bd9Sstevel@tonic-gate uint32_t zone_shares; /* FSS shares allocated to zone */ 3707c478bd9Sstevel@tonic-gate rctl_set_t *zone_rctls; /* zone-wide (zone.*) rctls */ 3710209230bSgjelinek kmutex_t zone_mem_lock; /* protects zone_locked_mem and */ 372c6939658Ssl /* kpd_locked_mem for all */ 3730209230bSgjelinek /* projects in zone. */ 3740209230bSgjelinek /* Also protects zone_max_swap */ 375c6939658Ssl /* grab after p_lock, before rcs_lock */ 3760209230bSgjelinek rctl_qty_t zone_locked_mem; /* bytes of locked memory in */ 3770209230bSgjelinek /* zone */ 3780209230bSgjelinek rctl_qty_t zone_locked_mem_ctl; /* Current locked memory */ 379c6939658Ssl /* limit. Protected by */ 380c6939658Ssl /* zone_rctls->rcs_lock */ 3810209230bSgjelinek rctl_qty_t zone_max_swap; /* bytes of swap reserved by zone */ 3820209230bSgjelinek rctl_qty_t zone_max_swap_ctl; /* current swap limit. */ 3830209230bSgjelinek /* Protected by */ 3840209230bSgjelinek /* zone_rctls->rcs_lock */ 3850fbb751dSJohn Levon kmutex_t zone_rctl_lock; /* protects zone_max_lofi */ 3860fbb751dSJohn Levon rctl_qty_t zone_max_lofi; /* lofi devs for zone */ 3870fbb751dSJohn Levon rctl_qty_t zone_max_lofi_ctl; /* current lofi limit. */ 3880fbb751dSJohn Levon /* Protected by */ 3890fbb751dSJohn Levon /* zone_rctls->rcs_lock */ 3907c478bd9Sstevel@tonic-gate list_t zone_zsd; /* list of Zone-Specific Data values */ 3917c478bd9Sstevel@tonic-gate kcondvar_t zone_cv; /* used to signal state changes */ 3927c478bd9Sstevel@tonic-gate struct proc *zone_zsched; /* Dummy kernel "zsched" process */ 3937c478bd9Sstevel@tonic-gate pid_t zone_proc_initpid; /* pid of "init" for this zone */ 3943f2f09c1Sdp char *zone_initname; /* fs path to 'init' */ 3957c478bd9Sstevel@tonic-gate int zone_boot_err; /* for zone_boot() if boot fails */ 3967c478bd9Sstevel@tonic-gate char *zone_bootargs; /* arguments passed via zone_boot() */ 3970209230bSgjelinek uint64_t zone_phys_mcap; /* physical memory cap */ 3987c478bd9Sstevel@tonic-gate /* 3997c478bd9Sstevel@tonic-gate * zone_kthreads is protected by zone_status_lock. 4007c478bd9Sstevel@tonic-gate */ 4017c478bd9Sstevel@tonic-gate kthread_t *zone_kthreads; /* kernel threads in zone */ 4027c478bd9Sstevel@tonic-gate struct priv_set *zone_privset; /* limit set for zone */ 4037c478bd9Sstevel@tonic-gate /* 4047c478bd9Sstevel@tonic-gate * zone_vfslist is protected by vfs_list_lock(). 4057c478bd9Sstevel@tonic-gate */ 4067c478bd9Sstevel@tonic-gate struct vfs *zone_vfslist; /* list of FS's mounted in zone */ 4077c478bd9Sstevel@tonic-gate uint64_t zone_uniqid; /* unique zone generation number */ 4087c478bd9Sstevel@tonic-gate struct cred *zone_kcred; /* kcred-like, zone-limited cred */ 4097c478bd9Sstevel@tonic-gate /* 4107c478bd9Sstevel@tonic-gate * zone_pool is protected by pool_lock(). 4117c478bd9Sstevel@tonic-gate */ 4127c478bd9Sstevel@tonic-gate struct pool *zone_pool; /* pool the zone is bound to */ 4137c478bd9Sstevel@tonic-gate hrtime_t zone_pool_mod; /* last pool bind modification time */ 4147c478bd9Sstevel@tonic-gate /* zone_psetid is protected by cpu_lock */ 4157c478bd9Sstevel@tonic-gate psetid_t zone_psetid; /* pset the zone is bound to */ 4167c478bd9Sstevel@tonic-gate /* 4177c478bd9Sstevel@tonic-gate * The following two can be read without holding any locks. They are 4187c478bd9Sstevel@tonic-gate * updated under cpu_lock. 4197c478bd9Sstevel@tonic-gate */ 4207c478bd9Sstevel@tonic-gate int zone_ncpus; /* zone's idea of ncpus */ 4217c478bd9Sstevel@tonic-gate int zone_ncpus_online; /* zone's idea of ncpus_online */ 422fa9e4066Sahrens /* 423fa9e4066Sahrens * List of ZFS datasets exported to this zone. 424fa9e4066Sahrens */ 425fa9e4066Sahrens list_t zone_datasets; /* list of datasets */ 42645916cd2Sjpk 42742bc57c4Srica ts_label_t *zone_slabel; /* zone sensitivity label */ 42842bc57c4Srica int zone_match; /* require label match for packets */ 42945916cd2Sjpk tsol_mlp_list_t zone_mlps; /* MLPs on zone-private addresses */ 4303f2f09c1Sdp 4319acbbeafSnn boolean_t zone_restart_init; /* Restart init if it dies? */ 4329acbbeafSnn struct brand *zone_brand; /* zone's brand */ 433319378d9Seh void *zone_brand_data; /* store brand specific data */ 4340209230bSgjelinek id_t zone_defaultcid; /* dflt scheduling class id */ 4350209230bSgjelinek kstat_t *zone_swapresv_kstat; 4360209230bSgjelinek kstat_t *zone_lockedmem_kstat; 437f4b3ec61Sdh /* 438f4b3ec61Sdh * zone_dl_list is protected by zone_lock 439f4b3ec61Sdh */ 4402b24ab6bSSebastien Roy list_t zone_dl_list; 441f4b3ec61Sdh netstack_t *zone_netstack; 442c97ad5cdSakolb struct cpucap *zone_cpucap; /* CPU caps data */ 4439e9e6ab8Spaulson /* 4449e9e6ab8Spaulson * Solaris Auditing per-zone audit context 4459e9e6ab8Spaulson */ 4469e9e6ab8Spaulson struct au_kcontext *zone_audit_kctxt; 447835ee219SRobert Harris /* 448835ee219SRobert Harris * For private use by mntfs. 449835ee219SRobert Harris */ 450835ee219SRobert Harris struct mntelem *zone_mntfs_db; 451835ee219SRobert Harris krwlock_t zone_mntfs_db_lock; 452134a1f4eSCasper H.S. Dik 453134a1f4eSCasper H.S. Dik struct klpd_reg *zone_pfexecd; 4540fbb751dSJohn Levon 4550fbb751dSJohn Levon char *zone_fs_allowed; 456*ff19e029SMenno Lageman rctl_qty_t zone_nprocs; /* number of processes in the zone */ 457*ff19e029SMenno Lageman rctl_qty_t zone_nprocs_ctl; /* current limit protected by */ 458*ff19e029SMenno Lageman /* zone_rctls->rcs_lock */ 459*ff19e029SMenno Lageman kstat_t *zone_nprocs_kstat; 4607c478bd9Sstevel@tonic-gate } zone_t; 4617c478bd9Sstevel@tonic-gate 4627c478bd9Sstevel@tonic-gate /* 4637c478bd9Sstevel@tonic-gate * Special value of zone_psetid to indicate that pools are disabled. 4647c478bd9Sstevel@tonic-gate */ 4657c478bd9Sstevel@tonic-gate #define ZONE_PS_INVAL PS_MYID 4667c478bd9Sstevel@tonic-gate 467f4b3ec61Sdh 4687c478bd9Sstevel@tonic-gate extern zone_t zone0; 4697c478bd9Sstevel@tonic-gate extern zone_t *global_zone; 4707c478bd9Sstevel@tonic-gate extern uint_t maxzones; 4717c478bd9Sstevel@tonic-gate extern rctl_hndl_t rc_zone_nlwps; 472*ff19e029SMenno Lageman extern rctl_hndl_t rc_zone_nprocs; 4737c478bd9Sstevel@tonic-gate 474fa9e4066Sahrens extern long zone(int, void *, void *, void *, void *); 4757c478bd9Sstevel@tonic-gate extern void zone_zsd_init(void); 4767c478bd9Sstevel@tonic-gate extern void zone_init(void); 4777c478bd9Sstevel@tonic-gate extern void zone_hold(zone_t *); 4787c478bd9Sstevel@tonic-gate extern void zone_rele(zone_t *); 4797c478bd9Sstevel@tonic-gate extern void zone_cred_hold(zone_t *); 4807c478bd9Sstevel@tonic-gate extern void zone_cred_rele(zone_t *); 4817c478bd9Sstevel@tonic-gate extern void zone_task_hold(zone_t *); 4827c478bd9Sstevel@tonic-gate extern void zone_task_rele(zone_t *); 4837c478bd9Sstevel@tonic-gate extern zone_t *zone_find_by_id(zoneid_t); 48445916cd2Sjpk extern zone_t *zone_find_by_label(const ts_label_t *); 4857c478bd9Sstevel@tonic-gate extern zone_t *zone_find_by_name(char *); 48645916cd2Sjpk extern zone_t *zone_find_by_any_path(const char *, boolean_t); 48748451833Scarlsonj extern zone_t *zone_find_by_path(const char *); 4887c478bd9Sstevel@tonic-gate extern zoneid_t getzoneid(void); 489f4b3ec61Sdh extern zone_t *zone_find_by_id_nolock(zoneid_t); 4902b24ab6bSSebastien Roy extern int zone_datalink_walk(zoneid_t, int (*)(datalink_id_t, void *), void *); 4912b24ab6bSSebastien Roy extern int zone_check_datalink(zoneid_t *, datalink_id_t); 4927c478bd9Sstevel@tonic-gate 4937c478bd9Sstevel@tonic-gate /* 4947c478bd9Sstevel@tonic-gate * Zone-specific data (ZSD) APIs 4957c478bd9Sstevel@tonic-gate */ 4967c478bd9Sstevel@tonic-gate /* 4977c478bd9Sstevel@tonic-gate * The following is what code should be initializing its zone_key_t to if it 4987c478bd9Sstevel@tonic-gate * calls zone_getspecific() without necessarily knowing that zone_key_create() 4997c478bd9Sstevel@tonic-gate * has been called on the key. 5007c478bd9Sstevel@tonic-gate */ 5017c478bd9Sstevel@tonic-gate #define ZONE_KEY_UNINITIALIZED 0 5027c478bd9Sstevel@tonic-gate 5037c478bd9Sstevel@tonic-gate typedef uint_t zone_key_t; 5047c478bd9Sstevel@tonic-gate 5057c478bd9Sstevel@tonic-gate extern void zone_key_create(zone_key_t *, void *(*)(zoneid_t), 5067c478bd9Sstevel@tonic-gate void (*)(zoneid_t, void *), void (*)(zoneid_t, void *)); 5077c478bd9Sstevel@tonic-gate extern int zone_key_delete(zone_key_t); 5087c478bd9Sstevel@tonic-gate extern void *zone_getspecific(zone_key_t, zone_t *); 5097c478bd9Sstevel@tonic-gate extern int zone_setspecific(zone_key_t, zone_t *, const void *); 5107c478bd9Sstevel@tonic-gate 5117c478bd9Sstevel@tonic-gate /* 5127c478bd9Sstevel@tonic-gate * The definition of a zsd_entry is truly private to zone.c and is only 5137c478bd9Sstevel@tonic-gate * placed here so it can be shared with mdb. 514bd41d0a8Snordmark * 515bd41d0a8Snordmark * State maintained for each zone times each registered key, which tracks 516bd41d0a8Snordmark * the state of the create, shutdown and destroy callbacks. 517bd41d0a8Snordmark * 518bd41d0a8Snordmark * zsd_flags is used to keep track of pending actions to avoid holding locks 519bd41d0a8Snordmark * when calling the create/shutdown/destroy callbacks, since doing so 520bd41d0a8Snordmark * could lead to deadlocks. 5217c478bd9Sstevel@tonic-gate */ 5227c478bd9Sstevel@tonic-gate struct zsd_entry { 5237c478bd9Sstevel@tonic-gate zone_key_t zsd_key; /* Key used to lookup value */ 5247c478bd9Sstevel@tonic-gate void *zsd_data; /* Caller-managed value */ 5257c478bd9Sstevel@tonic-gate /* 5267c478bd9Sstevel@tonic-gate * Callbacks to be executed when a zone is created, shutdown, and 5277c478bd9Sstevel@tonic-gate * destroyed, respectively. 5287c478bd9Sstevel@tonic-gate */ 5297c478bd9Sstevel@tonic-gate void *(*zsd_create)(zoneid_t); 5307c478bd9Sstevel@tonic-gate void (*zsd_shutdown)(zoneid_t, void *); 5317c478bd9Sstevel@tonic-gate void (*zsd_destroy)(zoneid_t, void *); 5327c478bd9Sstevel@tonic-gate list_node_t zsd_linkage; 533bd41d0a8Snordmark uint16_t zsd_flags; /* See below */ 534bd41d0a8Snordmark kcondvar_t zsd_cv; 5357c478bd9Sstevel@tonic-gate }; 5367c478bd9Sstevel@tonic-gate 537bd41d0a8Snordmark /* 538bd41d0a8Snordmark * zsd_flags 539bd41d0a8Snordmark */ 540bd41d0a8Snordmark #define ZSD_CREATE_NEEDED 0x0001 541bd41d0a8Snordmark #define ZSD_CREATE_INPROGRESS 0x0002 542bd41d0a8Snordmark #define ZSD_CREATE_COMPLETED 0x0004 543bd41d0a8Snordmark #define ZSD_SHUTDOWN_NEEDED 0x0010 544bd41d0a8Snordmark #define ZSD_SHUTDOWN_INPROGRESS 0x0020 545bd41d0a8Snordmark #define ZSD_SHUTDOWN_COMPLETED 0x0040 546bd41d0a8Snordmark #define ZSD_DESTROY_NEEDED 0x0100 547bd41d0a8Snordmark #define ZSD_DESTROY_INPROGRESS 0x0200 548bd41d0a8Snordmark #define ZSD_DESTROY_COMPLETED 0x0400 549bd41d0a8Snordmark 550bd41d0a8Snordmark #define ZSD_CREATE_ALL \ 551bd41d0a8Snordmark (ZSD_CREATE_NEEDED|ZSD_CREATE_INPROGRESS|ZSD_CREATE_COMPLETED) 552bd41d0a8Snordmark #define ZSD_SHUTDOWN_ALL \ 553bd41d0a8Snordmark (ZSD_SHUTDOWN_NEEDED|ZSD_SHUTDOWN_INPROGRESS|ZSD_SHUTDOWN_COMPLETED) 554bd41d0a8Snordmark #define ZSD_DESTROY_ALL \ 555bd41d0a8Snordmark (ZSD_DESTROY_NEEDED|ZSD_DESTROY_INPROGRESS|ZSD_DESTROY_COMPLETED) 556bd41d0a8Snordmark 557bd41d0a8Snordmark #define ZSD_ALL_INPROGRESS \ 558bd41d0a8Snordmark (ZSD_CREATE_INPROGRESS|ZSD_SHUTDOWN_INPROGRESS|ZSD_DESTROY_INPROGRESS) 559bd41d0a8Snordmark 5607c478bd9Sstevel@tonic-gate /* 5617c478bd9Sstevel@tonic-gate * Macros to help with zone visibility restrictions. 5627c478bd9Sstevel@tonic-gate */ 5637c478bd9Sstevel@tonic-gate 5647c478bd9Sstevel@tonic-gate /* 5657c478bd9Sstevel@tonic-gate * Is process in the global zone? 5667c478bd9Sstevel@tonic-gate */ 5677c478bd9Sstevel@tonic-gate #define INGLOBALZONE(p) \ 5687c478bd9Sstevel@tonic-gate ((p)->p_zone == global_zone) 5697c478bd9Sstevel@tonic-gate 5707c478bd9Sstevel@tonic-gate /* 5717c478bd9Sstevel@tonic-gate * Can process view objects in given zone? 5727c478bd9Sstevel@tonic-gate */ 5737c478bd9Sstevel@tonic-gate #define HASZONEACCESS(p, zoneid) \ 5747c478bd9Sstevel@tonic-gate ((p)->p_zone->zone_id == (zoneid) || INGLOBALZONE(p)) 5757c478bd9Sstevel@tonic-gate 5767c478bd9Sstevel@tonic-gate /* 5777c478bd9Sstevel@tonic-gate * Convenience macro to see if a resolved path is visible from within a 5787c478bd9Sstevel@tonic-gate * given zone. 5797c478bd9Sstevel@tonic-gate * 5807c478bd9Sstevel@tonic-gate * The basic idea is that the first (zone_rootpathlen - 1) bytes of the 5817c478bd9Sstevel@tonic-gate * two strings must be equal. Since the rootpathlen has a trailing '/', 5827c478bd9Sstevel@tonic-gate * we want to skip everything in the path up to (but not including) the 5837c478bd9Sstevel@tonic-gate * trailing '/'. 5847c478bd9Sstevel@tonic-gate */ 5857c478bd9Sstevel@tonic-gate #define ZONE_PATH_VISIBLE(path, zone) \ 5867c478bd9Sstevel@tonic-gate (strncmp((path), (zone)->zone_rootpath, \ 5877c478bd9Sstevel@tonic-gate (zone)->zone_rootpathlen - 1) == 0) 5887c478bd9Sstevel@tonic-gate 5897c478bd9Sstevel@tonic-gate /* 5907c478bd9Sstevel@tonic-gate * Convenience macro to go from the global view of a path to that seen 5917c478bd9Sstevel@tonic-gate * from within said zone. It is the responsibility of the caller to 5927c478bd9Sstevel@tonic-gate * ensure that the path is a resolved one (ie, no '..'s or '.'s), and is 5937c478bd9Sstevel@tonic-gate * in fact visible from within the zone. 5947c478bd9Sstevel@tonic-gate */ 5957c478bd9Sstevel@tonic-gate #define ZONE_PATH_TRANSLATE(path, zone) \ 5967c478bd9Sstevel@tonic-gate (ASSERT(ZONE_PATH_VISIBLE(path, zone)), \ 5977c478bd9Sstevel@tonic-gate (path) + (zone)->zone_rootpathlen - 2) 5987c478bd9Sstevel@tonic-gate 5997c478bd9Sstevel@tonic-gate /* 6007c478bd9Sstevel@tonic-gate * Special processes visible in all zones. 6017c478bd9Sstevel@tonic-gate */ 6027c478bd9Sstevel@tonic-gate #define ZONE_SPECIALPID(x) ((x) == 0 || (x) == 1) 6037c478bd9Sstevel@tonic-gate 6047c478bd9Sstevel@tonic-gate /* 6057c478bd9Sstevel@tonic-gate * Zone-safe version of thread_create() to be used when the caller wants to 6067c478bd9Sstevel@tonic-gate * create a kernel thread to run within the current zone's context. 6077c478bd9Sstevel@tonic-gate */ 6087c478bd9Sstevel@tonic-gate extern kthread_t *zthread_create(caddr_t, size_t, void (*)(), void *, size_t, 6097c478bd9Sstevel@tonic-gate pri_t); 6107c478bd9Sstevel@tonic-gate extern void zthread_exit(void); 6117c478bd9Sstevel@tonic-gate 6127c478bd9Sstevel@tonic-gate /* 6137c478bd9Sstevel@tonic-gate * Functions for an external observer to register interest in a zone's status 6147c478bd9Sstevel@tonic-gate * change. Observers will be woken up when the zone status equals the status 6157c478bd9Sstevel@tonic-gate * argument passed in (in the case of zone_status_timedwait, the function may 6167c478bd9Sstevel@tonic-gate * also return because of a timeout; zone_status_wait_sig may return early due 6177c478bd9Sstevel@tonic-gate * to a signal being delivered; zone_status_timedwait_sig may return for any of 6187c478bd9Sstevel@tonic-gate * the above reasons). 6197c478bd9Sstevel@tonic-gate * 6207c478bd9Sstevel@tonic-gate * Otherwise these behave identically to cv_timedwait(), cv_wait(), and 6217c478bd9Sstevel@tonic-gate * cv_wait_sig() respectively. 6227c478bd9Sstevel@tonic-gate */ 6237c478bd9Sstevel@tonic-gate extern clock_t zone_status_timedwait(zone_t *, clock_t, zone_status_t); 6247c478bd9Sstevel@tonic-gate extern clock_t zone_status_timedwait_sig(zone_t *, clock_t, zone_status_t); 6257c478bd9Sstevel@tonic-gate extern void zone_status_wait(zone_t *, zone_status_t); 6267c478bd9Sstevel@tonic-gate extern int zone_status_wait_sig(zone_t *, zone_status_t); 6277c478bd9Sstevel@tonic-gate 6287c478bd9Sstevel@tonic-gate /* 6297c478bd9Sstevel@tonic-gate * Get the status of the zone (at the time it was called). The state may 6307c478bd9Sstevel@tonic-gate * have progressed by the time it is returned. 6317c478bd9Sstevel@tonic-gate */ 6327c478bd9Sstevel@tonic-gate extern zone_status_t zone_status_get(zone_t *); 6337c478bd9Sstevel@tonic-gate 6345679c89fSjv /* 6355679c89fSjv * Safely get the hostid of the specified zone (defaults to machine's hostid 6365679c89fSjv * if the specified zone doesn't emulate a hostid). Passing NULL retrieves 6375679c89fSjv * the global zone's (i.e., physical system's) hostid. 6385679c89fSjv */ 6395679c89fSjv extern uint32_t zone_get_hostid(zone_t *); 6405679c89fSjv 6417c478bd9Sstevel@tonic-gate /* 6427c478bd9Sstevel@tonic-gate * Get the "kcred" credentials corresponding to the given zone. 6437c478bd9Sstevel@tonic-gate */ 6447c478bd9Sstevel@tonic-gate extern struct cred *zone_get_kcred(zoneid_t); 6457c478bd9Sstevel@tonic-gate 6467c478bd9Sstevel@tonic-gate /* 6477c478bd9Sstevel@tonic-gate * Get/set the pool the zone is currently bound to. 6487c478bd9Sstevel@tonic-gate */ 6497c478bd9Sstevel@tonic-gate extern struct pool *zone_pool_get(zone_t *); 6507c478bd9Sstevel@tonic-gate extern void zone_pool_set(zone_t *, struct pool *); 6517c478bd9Sstevel@tonic-gate 6527c478bd9Sstevel@tonic-gate /* 6537c478bd9Sstevel@tonic-gate * Get/set the pset the zone is currently using. 6547c478bd9Sstevel@tonic-gate */ 6557c478bd9Sstevel@tonic-gate extern psetid_t zone_pset_get(zone_t *); 6567c478bd9Sstevel@tonic-gate extern void zone_pset_set(zone_t *, psetid_t); 6577c478bd9Sstevel@tonic-gate 6587c478bd9Sstevel@tonic-gate /* 6597c478bd9Sstevel@tonic-gate * Get the number of cpus/online-cpus visible from the given zone. 6607c478bd9Sstevel@tonic-gate */ 6617c478bd9Sstevel@tonic-gate extern int zone_ncpus_get(zone_t *); 6627c478bd9Sstevel@tonic-gate extern int zone_ncpus_online_get(zone_t *); 6637c478bd9Sstevel@tonic-gate 664fa9e4066Sahrens /* 665fa9e4066Sahrens * Returns true if the named pool/dataset is visible in the current zone. 666fa9e4066Sahrens */ 667fa9e4066Sahrens extern int zone_dataset_visible(const char *, int *); 668fa9e4066Sahrens 6697c478bd9Sstevel@tonic-gate /* 6703f2f09c1Sdp * zone version of kadmin() 6717c478bd9Sstevel@tonic-gate */ 6723f2f09c1Sdp extern int zone_kadmin(int, int, const char *, cred_t *); 6737c478bd9Sstevel@tonic-gate extern void zone_shutdown_global(void); 6747c478bd9Sstevel@tonic-gate 6757c478bd9Sstevel@tonic-gate extern void mount_in_progress(void); 6767c478bd9Sstevel@tonic-gate extern void mount_completed(void); 6777c478bd9Sstevel@tonic-gate 6787c478bd9Sstevel@tonic-gate extern int zone_walk(int (*)(zone_t *, void *), void *); 6797c478bd9Sstevel@tonic-gate 680c6939658Ssl extern rctl_hndl_t rc_zone_locked_mem; 6810209230bSgjelinek extern rctl_hndl_t rc_zone_max_swap; 6820fbb751dSJohn Levon extern rctl_hndl_t rc_zone_max_lofi; 683c6939658Ssl 6847c478bd9Sstevel@tonic-gate #endif /* _KERNEL */ 6857c478bd9Sstevel@tonic-gate 6867c478bd9Sstevel@tonic-gate #ifdef __cplusplus 6877c478bd9Sstevel@tonic-gate } 6887c478bd9Sstevel@tonic-gate #endif 6897c478bd9Sstevel@tonic-gate 6907c478bd9Sstevel@tonic-gate #endif /* _SYS_ZONE_H */ 691