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> 39550b6e40SSowmini Varadhan #include <sys/socket_impl.h> 40550b6e40SSowmini Varadhan #include <netinet/in.h> 417c478bd9Sstevel@tonic-gate 427c478bd9Sstevel@tonic-gate #ifdef __cplusplus 437c478bd9Sstevel@tonic-gate extern "C" { 447c478bd9Sstevel@tonic-gate #endif 457c478bd9Sstevel@tonic-gate 467c478bd9Sstevel@tonic-gate /* 477c478bd9Sstevel@tonic-gate * NOTE 487c478bd9Sstevel@tonic-gate * 497c478bd9Sstevel@tonic-gate * The contents of this file are private to the implementation of 507c478bd9Sstevel@tonic-gate * Solaris and are subject to change at any time without notice. 517c478bd9Sstevel@tonic-gate * Applications and drivers using these interfaces may fail to 527c478bd9Sstevel@tonic-gate * run on future releases. 537c478bd9Sstevel@tonic-gate */ 547c478bd9Sstevel@tonic-gate 557c478bd9Sstevel@tonic-gate /* Available both in kernel and for user space */ 567c478bd9Sstevel@tonic-gate 577c478bd9Sstevel@tonic-gate /* zone id restrictions and special ids */ 587c478bd9Sstevel@tonic-gate #define MAX_ZONEID 9999 597c478bd9Sstevel@tonic-gate #define MIN_USERZONEID 1 /* lowest user-creatable zone ID */ 607c478bd9Sstevel@tonic-gate #define MIN_ZONEID 0 /* minimum zone ID on system */ 617c478bd9Sstevel@tonic-gate #define GLOBAL_ZONEID 0 627c478bd9Sstevel@tonic-gate #define ZONEID_WIDTH 4 /* for printf */ 637c478bd9Sstevel@tonic-gate 6445916cd2Sjpk /* 6545916cd2Sjpk * Special zoneid_t token to refer to all zones. 6645916cd2Sjpk */ 6745916cd2Sjpk #define ALL_ZONES (-1) 6845916cd2Sjpk 697c478bd9Sstevel@tonic-gate /* system call subcodes */ 70f4b3ec61Sdh #define ZONE_CREATE 0 71f4b3ec61Sdh #define ZONE_DESTROY 1 72f4b3ec61Sdh #define ZONE_GETATTR 2 73f4b3ec61Sdh #define ZONE_ENTER 3 74f4b3ec61Sdh #define ZONE_LIST 4 75f4b3ec61Sdh #define ZONE_SHUTDOWN 5 76f4b3ec61Sdh #define ZONE_LOOKUP 6 77f4b3ec61Sdh #define ZONE_BOOT 7 78f4b3ec61Sdh #define ZONE_VERSION 8 79f4b3ec61Sdh #define ZONE_SETATTR 9 80f4b3ec61Sdh #define ZONE_ADD_DATALINK 10 81f4b3ec61Sdh #define ZONE_DEL_DATALINK 11 82f4b3ec61Sdh #define ZONE_CHECK_DATALINK 12 83f4b3ec61Sdh #define ZONE_LIST_DATALINK 13 847c478bd9Sstevel@tonic-gate 857c478bd9Sstevel@tonic-gate /* zone attributes */ 867c478bd9Sstevel@tonic-gate #define ZONE_ATTR_ROOT 1 877c478bd9Sstevel@tonic-gate #define ZONE_ATTR_NAME 2 887c478bd9Sstevel@tonic-gate #define ZONE_ATTR_STATUS 3 897c478bd9Sstevel@tonic-gate #define ZONE_ATTR_PRIVSET 4 907c478bd9Sstevel@tonic-gate #define ZONE_ATTR_UNIQID 5 917c478bd9Sstevel@tonic-gate #define ZONE_ATTR_POOLID 6 927c478bd9Sstevel@tonic-gate #define ZONE_ATTR_INITPID 7 9345916cd2Sjpk #define ZONE_ATTR_SLBL 8 943f2f09c1Sdp #define ZONE_ATTR_INITNAME 9 953f2f09c1Sdp #define ZONE_ATTR_BOOTARGS 10 969acbbeafSnn #define ZONE_ATTR_BRAND 11 970209230bSgjelinek #define ZONE_ATTR_PHYS_MCAP 12 980209230bSgjelinek #define ZONE_ATTR_SCHED_CLASS 13 99f4b3ec61Sdh #define ZONE_ATTR_FLAGS 14 1005679c89fSjv #define ZONE_ATTR_HOSTID 15 1010fbb751dSJohn Levon #define ZONE_ATTR_FS_ALLOWED 16 102550b6e40SSowmini Varadhan #define ZONE_ATTR_NETWORK 17 1039acbbeafSnn 1049acbbeafSnn /* Start of the brand-specific attribute namespace */ 1059acbbeafSnn #define ZONE_ATTR_BRAND_ATTRS 32768 1067c478bd9Sstevel@tonic-gate 1070fbb751dSJohn Levon #define ZONE_FS_ALLOWED_MAX 1024 1080fbb751dSJohn Levon 109cf8f45c7Sdstaff #define ZONE_EVENT_CHANNEL "com.sun:zones:status" 110cf8f45c7Sdstaff #define ZONE_EVENT_STATUS_CLASS "status" 111cf8f45c7Sdstaff #define ZONE_EVENT_STATUS_SUBCLASS "change" 112cf8f45c7Sdstaff 113cf8f45c7Sdstaff #define ZONE_EVENT_UNINITIALIZED "uninitialized" 114bd41d0a8Snordmark #define ZONE_EVENT_INITIALIZED "initialized" 115cf8f45c7Sdstaff #define ZONE_EVENT_READY "ready" 116cf8f45c7Sdstaff #define ZONE_EVENT_RUNNING "running" 117cf8f45c7Sdstaff #define ZONE_EVENT_SHUTTING_DOWN "shutting_down" 118cf8f45c7Sdstaff 119cf8f45c7Sdstaff #define ZONE_CB_NAME "zonename" 120cf8f45c7Sdstaff #define ZONE_CB_NEWSTATE "newstate" 121cf8f45c7Sdstaff #define ZONE_CB_OLDSTATE "oldstate" 122cf8f45c7Sdstaff #define ZONE_CB_TIMESTAMP "when" 123cf8f45c7Sdstaff #define ZONE_CB_ZONEID "zoneid" 124cf8f45c7Sdstaff 1259acbbeafSnn /* 1269acbbeafSnn * Exit values that may be returned by scripts or programs invoked by various 1279acbbeafSnn * zone commands. 1289acbbeafSnn * 1299acbbeafSnn * These are defined as: 1309acbbeafSnn * 1319acbbeafSnn * ZONE_SUBPROC_OK 1329acbbeafSnn * =============== 1339acbbeafSnn * The subprocess completed successfully. 1349acbbeafSnn * 1359acbbeafSnn * ZONE_SUBPROC_USAGE 1369acbbeafSnn * ================== 1379acbbeafSnn * The subprocess failed with a usage message, or a usage message should 1389acbbeafSnn * be output in its behalf. 1399acbbeafSnn * 1409acbbeafSnn * ZONE_SUBPROC_NOTCOMPLETE 1419acbbeafSnn * ======================== 1429acbbeafSnn * The subprocess did not complete, but the actions performed by the 1439acbbeafSnn * subprocess require no recovery actions by the user. 1449acbbeafSnn * 1459acbbeafSnn * For example, if the subprocess were called by "zoneadm install," the 1469acbbeafSnn * installation of the zone did not succeed but the user need not perform 1479acbbeafSnn * a "zoneadm uninstall" before attempting another install. 1489acbbeafSnn * 1499acbbeafSnn * ZONE_SUBPROC_FATAL 1509acbbeafSnn * ================== 1519acbbeafSnn * The subprocess failed in a fatal manner, usually one that will require 1529acbbeafSnn * some type of recovery action by the user. 1539acbbeafSnn * 1549acbbeafSnn * For example, if the subprocess were called by "zoneadm install," the 1559acbbeafSnn * installation of the zone did not succeed and the user will need to 1569acbbeafSnn * perform a "zoneadm uninstall" before another install attempt is 1579acbbeafSnn * possible. 1589acbbeafSnn * 1599acbbeafSnn * The non-success exit values are large to avoid accidental collision 1609acbbeafSnn * with values used internally by some commands (e.g. "Z_ERR" and 1619acbbeafSnn * "Z_USAGE" as used by zoneadm.) 1629acbbeafSnn */ 1639acbbeafSnn #define ZONE_SUBPROC_OK 0 1649acbbeafSnn #define ZONE_SUBPROC_USAGE 253 1659acbbeafSnn #define ZONE_SUBPROC_NOTCOMPLETE 254 1669acbbeafSnn #define ZONE_SUBPROC_FATAL 255 1679acbbeafSnn 1687c478bd9Sstevel@tonic-gate #ifdef _SYSCALL32 1697c478bd9Sstevel@tonic-gate typedef struct { 1707c478bd9Sstevel@tonic-gate caddr32_t zone_name; 1717c478bd9Sstevel@tonic-gate caddr32_t zone_root; 1727c478bd9Sstevel@tonic-gate caddr32_t zone_privs; 173821c4a97Sdp size32_t zone_privssz; 1747c478bd9Sstevel@tonic-gate caddr32_t rctlbuf; 1757c478bd9Sstevel@tonic-gate size32_t rctlbufsz; 1767c478bd9Sstevel@tonic-gate caddr32_t extended_error; 177fa9e4066Sahrens caddr32_t zfsbuf; 178fa9e4066Sahrens size32_t zfsbufsz; 17942bc57c4Srica int match; /* match level */ 18042bc57c4Srica uint32_t doi; /* DOI for label */ 18142bc57c4Srica caddr32_t label; /* label associated with zone */ 182f4b3ec61Sdh int flags; 1837c478bd9Sstevel@tonic-gate } zone_def32; 1847c478bd9Sstevel@tonic-gate #endif 1857c478bd9Sstevel@tonic-gate typedef struct { 1867c478bd9Sstevel@tonic-gate const char *zone_name; 1877c478bd9Sstevel@tonic-gate const char *zone_root; 1887c478bd9Sstevel@tonic-gate const struct priv_set *zone_privs; 189821c4a97Sdp size_t zone_privssz; 1907c478bd9Sstevel@tonic-gate const char *rctlbuf; 1917c478bd9Sstevel@tonic-gate size_t rctlbufsz; 1927c478bd9Sstevel@tonic-gate int *extended_error; 193fa9e4066Sahrens const char *zfsbuf; 194fa9e4066Sahrens size_t zfsbufsz; 19545916cd2Sjpk int match; /* match level */ 19642bc57c4Srica uint32_t doi; /* DOI for label */ 19745916cd2Sjpk const bslabel_t *label; /* label associated with zone */ 198f4b3ec61Sdh int flags; 1997c478bd9Sstevel@tonic-gate } zone_def; 2007c478bd9Sstevel@tonic-gate 2017c478bd9Sstevel@tonic-gate /* extended error information */ 2027c478bd9Sstevel@tonic-gate #define ZE_UNKNOWN 0 /* No extended error info */ 2037c478bd9Sstevel@tonic-gate #define ZE_CHROOTED 1 /* tried to zone_create from chroot */ 2047c478bd9Sstevel@tonic-gate #define ZE_AREMOUNTS 2 /* there are mounts within the zone */ 2058c55461bSton #define ZE_LABELINUSE 3 /* label is already in use by some other zone */ 2067c478bd9Sstevel@tonic-gate 207a19609f8Sjv /* 208a19609f8Sjv * zone_status values 209a19609f8Sjv * 210a19609f8Sjv * You must modify zone_status_names in mdb(1M)'s genunix module 211a19609f8Sjv * (genunix/zone.c) when you modify this enum. 212a19609f8Sjv */ 2137c478bd9Sstevel@tonic-gate typedef enum { 2147c478bd9Sstevel@tonic-gate ZONE_IS_UNINITIALIZED = 0, 215bd41d0a8Snordmark ZONE_IS_INITIALIZED, 2167c478bd9Sstevel@tonic-gate ZONE_IS_READY, 2177c478bd9Sstevel@tonic-gate ZONE_IS_BOOTING, 2187c478bd9Sstevel@tonic-gate ZONE_IS_RUNNING, 2197c478bd9Sstevel@tonic-gate ZONE_IS_SHUTTING_DOWN, 2207c478bd9Sstevel@tonic-gate ZONE_IS_EMPTY, 2217c478bd9Sstevel@tonic-gate ZONE_IS_DOWN, 2227c478bd9Sstevel@tonic-gate ZONE_IS_DYING, 2237c478bd9Sstevel@tonic-gate ZONE_IS_DEAD 2247c478bd9Sstevel@tonic-gate } zone_status_t; 2257c478bd9Sstevel@tonic-gate #define ZONE_MIN_STATE ZONE_IS_UNINITIALIZED 2267c478bd9Sstevel@tonic-gate #define ZONE_MAX_STATE ZONE_IS_DEAD 2277c478bd9Sstevel@tonic-gate 2287c478bd9Sstevel@tonic-gate /* 2297c478bd9Sstevel@tonic-gate * Valid commands which may be issued by zoneadm to zoneadmd. The kernel also 2307c478bd9Sstevel@tonic-gate * communicates with zoneadmd, but only uses Z_REBOOT and Z_HALT. 2317c478bd9Sstevel@tonic-gate */ 2327c478bd9Sstevel@tonic-gate typedef enum zone_cmd { 2339acbbeafSnn Z_READY, Z_BOOT, Z_FORCEBOOT, Z_REBOOT, Z_HALT, Z_NOTE_UNINSTALLING, 2349acbbeafSnn Z_MOUNT, Z_FORCEMOUNT, Z_UNMOUNT 2357c478bd9Sstevel@tonic-gate } zone_cmd_t; 2367c478bd9Sstevel@tonic-gate 2377c478bd9Sstevel@tonic-gate /* 2387c478bd9Sstevel@tonic-gate * The structure of a request to zoneadmd. 2397c478bd9Sstevel@tonic-gate */ 2407c478bd9Sstevel@tonic-gate typedef struct zone_cmd_arg { 2417c478bd9Sstevel@tonic-gate uint64_t uniqid; /* unique "generation number" */ 2427c478bd9Sstevel@tonic-gate zone_cmd_t cmd; /* requested action */ 2433f2f09c1Sdp uint32_t _pad; /* need consistent 32/64 bit alignmt */ 2447c478bd9Sstevel@tonic-gate char locale[MAXPATHLEN]; /* locale in which to render messages */ 2453f2f09c1Sdp char bootbuf[BOOTARGS_MAX]; /* arguments passed to zone_boot() */ 2467c478bd9Sstevel@tonic-gate } zone_cmd_arg_t; 2477c478bd9Sstevel@tonic-gate 2487c478bd9Sstevel@tonic-gate /* 2497c478bd9Sstevel@tonic-gate * Structure of zoneadmd's response to a request. A NULL return value means 2507c478bd9Sstevel@tonic-gate * the caller should attempt to restart zoneadmd and retry. 2517c478bd9Sstevel@tonic-gate */ 2527c478bd9Sstevel@tonic-gate typedef struct zone_cmd_rval { 2537c478bd9Sstevel@tonic-gate int rval; /* return value of request */ 2547c478bd9Sstevel@tonic-gate char errbuf[1]; /* variable-sized buffer containing error messages */ 2557c478bd9Sstevel@tonic-gate } zone_cmd_rval_t; 2567c478bd9Sstevel@tonic-gate 2577c478bd9Sstevel@tonic-gate /* 2587c478bd9Sstevel@tonic-gate * The zone support infrastructure uses the zone name as a component 2597c478bd9Sstevel@tonic-gate * of unix domain (AF_UNIX) sockets, which are limited to 108 characters 2607c478bd9Sstevel@tonic-gate * in length, so ZONENAME_MAX is limited by that. 2617c478bd9Sstevel@tonic-gate */ 2627c478bd9Sstevel@tonic-gate #define ZONENAME_MAX 64 2637c478bd9Sstevel@tonic-gate 2647c478bd9Sstevel@tonic-gate #define GLOBAL_ZONENAME "global" 2657c478bd9Sstevel@tonic-gate 2667c478bd9Sstevel@tonic-gate /* 2677c478bd9Sstevel@tonic-gate * Extended Regular expression (see regex(5)) which matches all valid zone 2687c478bd9Sstevel@tonic-gate * names. 2697c478bd9Sstevel@tonic-gate */ 2707c478bd9Sstevel@tonic-gate #define ZONENAME_REGEXP "[a-zA-Z0-9][-_.a-zA-Z0-9]{0,62}" 2717c478bd9Sstevel@tonic-gate 2727c478bd9Sstevel@tonic-gate /* 2737c478bd9Sstevel@tonic-gate * Where the zones support infrastructure places temporary files. 2747c478bd9Sstevel@tonic-gate */ 2757c478bd9Sstevel@tonic-gate #define ZONES_TMPDIR "/var/run/zones" 2767c478bd9Sstevel@tonic-gate 2777c478bd9Sstevel@tonic-gate /* 2787c478bd9Sstevel@tonic-gate * The path to the door used by clients to communicate with zoneadmd. 2797c478bd9Sstevel@tonic-gate */ 2807c478bd9Sstevel@tonic-gate #define ZONE_DOOR_PATH ZONES_TMPDIR "/%s.zoneadmd_door" 2817c478bd9Sstevel@tonic-gate 282a19609f8Sjv 283f4b3ec61Sdh /* zone_flags */ 284a19609f8Sjv /* 285a19609f8Sjv * Threads that read or write the following flag must hold zone_lock. 286a19609f8Sjv */ 287a19609f8Sjv #define ZF_REFCOUNTS_LOGGED 0x1 /* a thread logged the zone's refs */ 288a19609f8Sjv 289a19609f8Sjv /* 290a19609f8Sjv * The following threads are set when the zone is created and never changed. 291a19609f8Sjv * Threads that test for these flags don't have to hold zone_lock. 292a19609f8Sjv */ 293f4b3ec61Sdh #define ZF_HASHED_LABEL 0x2 /* zone has a unique label */ 294f4b3ec61Sdh #define ZF_IS_SCRATCH 0x4 /* scratch zone */ 295f4b3ec61Sdh #define ZF_NET_EXCL 0x8 /* Zone has an exclusive IP stack */ 296f4b3ec61Sdh 297a19609f8Sjv 298f4b3ec61Sdh /* zone_create flags */ 299f4b3ec61Sdh #define ZCF_NET_EXCL 0x1 /* Create a zone with exclusive IP */ 300f4b3ec61Sdh 301550b6e40SSowmini Varadhan /* zone network properties */ 302550b6e40SSowmini Varadhan #define ZONE_NETWORK_ADDRESS 1 303550b6e40SSowmini Varadhan #define ZONE_NETWORK_DEFROUTER 2 304550b6e40SSowmini Varadhan 305550b6e40SSowmini Varadhan #define ZONE_NET_ADDRNAME "address" 306550b6e40SSowmini Varadhan #define ZONE_NET_RTRNAME "route" 307550b6e40SSowmini Varadhan 308550b6e40SSowmini Varadhan typedef struct zone_net_data { 309550b6e40SSowmini Varadhan int zn_type; 310550b6e40SSowmini Varadhan int zn_len; 311550b6e40SSowmini Varadhan datalink_id_t zn_linkid; 312550b6e40SSowmini Varadhan uint8_t zn_val[1]; 313550b6e40SSowmini Varadhan } zone_net_data_t; 314550b6e40SSowmini Varadhan 315550b6e40SSowmini Varadhan 3167c478bd9Sstevel@tonic-gate #ifdef _KERNEL 317a19609f8Sjv 3187c478bd9Sstevel@tonic-gate /* 3197c478bd9Sstevel@tonic-gate * We need to protect the definition of 'list_t' from userland applications and 3207c478bd9Sstevel@tonic-gate * libraries which may be defining ther own versions. 3217c478bd9Sstevel@tonic-gate */ 3227c478bd9Sstevel@tonic-gate #include <sys/list.h> 3237c478bd9Sstevel@tonic-gate 3247c478bd9Sstevel@tonic-gate #define GLOBAL_ZONEUNIQID 0 /* uniqid of the global zone */ 3257c478bd9Sstevel@tonic-gate 3267c478bd9Sstevel@tonic-gate struct pool; 3279acbbeafSnn struct brand; 3287c478bd9Sstevel@tonic-gate 329a19609f8Sjv /* 330a19609f8Sjv * Each of these constants identifies a kernel subsystem that acquires and 331a19609f8Sjv * releases zone references. Each subsystem that invokes 332a19609f8Sjv * zone_hold_ref() and zone_rele_ref() should specify the 333a19609f8Sjv * zone_ref_subsys_t constant associated with the subsystem. Tracked holds 334a19609f8Sjv * help users and developers quickly identify subsystems that stall zone 335a19609f8Sjv * shutdowns indefinitely. 336a19609f8Sjv * 337a19609f8Sjv * NOTE: You must modify zone_ref_subsys_names in usr/src/uts/common/os/zone.c 338a19609f8Sjv * when you modify this enumeration. 339a19609f8Sjv */ 340a19609f8Sjv typedef enum zone_ref_subsys { 341a19609f8Sjv ZONE_REF_NFS, /* NFS */ 342a19609f8Sjv ZONE_REF_NFSV4, /* NFSv4 */ 343a19609f8Sjv ZONE_REF_SMBFS, /* SMBFS */ 344a19609f8Sjv ZONE_REF_MNTFS, /* MNTFS */ 345a19609f8Sjv ZONE_REF_LOFI, /* LOFI devices */ 346a19609f8Sjv ZONE_REF_VFS, /* VFS infrastructure */ 347a19609f8Sjv ZONE_REF_IPC, /* IPC infrastructure */ 348a19609f8Sjv ZONE_REF_NUM_SUBSYS /* This must be the last entry. */ 349a19609f8Sjv } zone_ref_subsys_t; 350a19609f8Sjv 351a19609f8Sjv /* 352a19609f8Sjv * zone_ref represents a general-purpose references to a zone. Each zone's 353a19609f8Sjv * references are linked into the zone's zone_t::zone_ref_list. This allows 354a19609f8Sjv * debuggers to walk zones' references. 355a19609f8Sjv */ 356a19609f8Sjv typedef struct zone_ref { 357a19609f8Sjv struct zone *zref_zone; /* the zone to which the reference refers */ 358a19609f8Sjv list_node_t zref_linkage; /* linkage for zone_t::zone_ref_list */ 359a19609f8Sjv } zone_ref_t; 360a19609f8Sjv 361fa9e4066Sahrens /* 362fa9e4066Sahrens * Structure to record list of ZFS datasets exported to a zone. 363fa9e4066Sahrens */ 364fa9e4066Sahrens typedef struct zone_dataset { 365fa9e4066Sahrens char *zd_dataset; 366fa9e4066Sahrens list_node_t zd_linkage; 367fa9e4066Sahrens } zone_dataset_t; 368fa9e4066Sahrens 3690209230bSgjelinek /* 3700209230bSgjelinek * structure for zone kstats 3710209230bSgjelinek */ 3720209230bSgjelinek typedef struct zone_kstat { 3730209230bSgjelinek kstat_named_t zk_zonename; 3740209230bSgjelinek kstat_named_t zk_usage; 3750209230bSgjelinek kstat_named_t zk_value; 3760209230bSgjelinek } zone_kstat_t; 3770209230bSgjelinek 378c97ad5cdSakolb struct cpucap; 379c97ad5cdSakolb 3807c478bd9Sstevel@tonic-gate typedef struct zone { 3817c478bd9Sstevel@tonic-gate /* 3827c478bd9Sstevel@tonic-gate * zone_name is never modified once set. 3837c478bd9Sstevel@tonic-gate */ 3847c478bd9Sstevel@tonic-gate char *zone_name; /* zone's configuration name */ 3857c478bd9Sstevel@tonic-gate /* 3867c478bd9Sstevel@tonic-gate * zone_nodename and zone_domain are never freed once allocated. 3877c478bd9Sstevel@tonic-gate */ 3887c478bd9Sstevel@tonic-gate char *zone_nodename; /* utsname.nodename equivalent */ 3897c478bd9Sstevel@tonic-gate char *zone_domain; /* srpc_domain equivalent */ 3905679c89fSjv /* 3915679c89fSjv * zone_hostid is used for per-zone hostid emulation. 3925679c89fSjv * Currently it isn't modified after it's set (so no locks protect 3935679c89fSjv * accesses), but that might have to change when we allow 3945679c89fSjv * administrators to change running zones' properties. 3955679c89fSjv * 3965679c89fSjv * The global zone's zone_hostid must always be HW_INVALID_HOSTID so 3975679c89fSjv * that zone_get_hostid() will function correctly. 3985679c89fSjv */ 3995679c89fSjv uint32_t zone_hostid; /* zone's hostid, HW_INVALID_HOSTID */ 4005679c89fSjv /* if not emulated */ 4017c478bd9Sstevel@tonic-gate /* 4027c478bd9Sstevel@tonic-gate * zone_lock protects the following fields of a zone_t: 4037c478bd9Sstevel@tonic-gate * zone_ref 4047c478bd9Sstevel@tonic-gate * zone_cred_ref 405a19609f8Sjv * zone_subsys_ref 406a19609f8Sjv * zone_ref_list 4077c478bd9Sstevel@tonic-gate * zone_ntasks 4087c478bd9Sstevel@tonic-gate * zone_flags 4097c478bd9Sstevel@tonic-gate * zone_zsd 410134a1f4eSCasper H.S. Dik * zone_pfexecd 4117c478bd9Sstevel@tonic-gate */ 4127c478bd9Sstevel@tonic-gate kmutex_t zone_lock; 4137c478bd9Sstevel@tonic-gate /* 4147c478bd9Sstevel@tonic-gate * zone_linkage is the zone's linkage into the active or 4157c478bd9Sstevel@tonic-gate * death-row list. The field is protected by zonehash_lock. 4167c478bd9Sstevel@tonic-gate */ 4177c478bd9Sstevel@tonic-gate list_node_t zone_linkage; 4187c478bd9Sstevel@tonic-gate zoneid_t zone_id; /* ID of zone */ 4197c478bd9Sstevel@tonic-gate uint_t zone_ref; /* count of zone_hold()s on zone */ 4207c478bd9Sstevel@tonic-gate uint_t zone_cred_ref; /* count of zone_hold_cred()s on zone */ 421a19609f8Sjv /* 422a19609f8Sjv * Fixed-sized array of subsystem-specific reference counts 423a19609f8Sjv * The sum of all of the counts must be less than or equal to zone_ref. 424a19609f8Sjv * The array is indexed by the counts' subsystems' zone_ref_subsys_t 425a19609f8Sjv * constants. 426a19609f8Sjv */ 427a19609f8Sjv uint_t zone_subsys_ref[ZONE_REF_NUM_SUBSYS]; 428a19609f8Sjv list_t zone_ref_list; /* list of zone_ref_t structs */ 4297c478bd9Sstevel@tonic-gate /* 4307c478bd9Sstevel@tonic-gate * zone_rootvp and zone_rootpath can never be modified once set. 4317c478bd9Sstevel@tonic-gate */ 4327c478bd9Sstevel@tonic-gate struct vnode *zone_rootvp; /* zone's root vnode */ 4337c478bd9Sstevel@tonic-gate char *zone_rootpath; /* Path to zone's root + '/' */ 4347c478bd9Sstevel@tonic-gate ushort_t zone_flags; /* misc flags */ 4357c478bd9Sstevel@tonic-gate zone_status_t zone_status; /* protected by zone_status_lock */ 4367c478bd9Sstevel@tonic-gate uint_t zone_ntasks; /* number of tasks executing in zone */ 4377c478bd9Sstevel@tonic-gate kmutex_t zone_nlwps_lock; /* protects zone_nlwps, and *_nlwps */ 4387c478bd9Sstevel@tonic-gate /* counters in projects and tasks */ 4397c478bd9Sstevel@tonic-gate /* that are within the zone */ 4407c478bd9Sstevel@tonic-gate rctl_qty_t zone_nlwps; /* number of lwps in zone */ 4417c478bd9Sstevel@tonic-gate rctl_qty_t zone_nlwps_ctl; /* protected by zone_rctls->rcs_lock */ 442824c205fSml rctl_qty_t zone_shmmax; /* System V shared memory usage */ 443824c205fSml ipc_rqty_t zone_ipc; /* System V IPC id resource usage */ 4447c478bd9Sstevel@tonic-gate 4457c478bd9Sstevel@tonic-gate uint_t zone_rootpathlen; /* strlen(zone_rootpath) + 1 */ 4467c478bd9Sstevel@tonic-gate uint32_t zone_shares; /* FSS shares allocated to zone */ 4477c478bd9Sstevel@tonic-gate rctl_set_t *zone_rctls; /* zone-wide (zone.*) rctls */ 4480209230bSgjelinek kmutex_t zone_mem_lock; /* protects zone_locked_mem and */ 449c6939658Ssl /* kpd_locked_mem for all */ 4500209230bSgjelinek /* projects in zone. */ 4510209230bSgjelinek /* Also protects zone_max_swap */ 452c6939658Ssl /* grab after p_lock, before rcs_lock */ 4530209230bSgjelinek rctl_qty_t zone_locked_mem; /* bytes of locked memory in */ 4540209230bSgjelinek /* zone */ 4550209230bSgjelinek rctl_qty_t zone_locked_mem_ctl; /* Current locked memory */ 456c6939658Ssl /* limit. Protected by */ 457c6939658Ssl /* zone_rctls->rcs_lock */ 4580209230bSgjelinek rctl_qty_t zone_max_swap; /* bytes of swap reserved by zone */ 4590209230bSgjelinek rctl_qty_t zone_max_swap_ctl; /* current swap limit. */ 4600209230bSgjelinek /* Protected by */ 4610209230bSgjelinek /* zone_rctls->rcs_lock */ 4620fbb751dSJohn Levon kmutex_t zone_rctl_lock; /* protects zone_max_lofi */ 4630fbb751dSJohn Levon rctl_qty_t zone_max_lofi; /* lofi devs for zone */ 4640fbb751dSJohn Levon rctl_qty_t zone_max_lofi_ctl; /* current lofi limit. */ 4650fbb751dSJohn Levon /* Protected by */ 4660fbb751dSJohn Levon /* zone_rctls->rcs_lock */ 4677c478bd9Sstevel@tonic-gate list_t zone_zsd; /* list of Zone-Specific Data values */ 4687c478bd9Sstevel@tonic-gate kcondvar_t zone_cv; /* used to signal state changes */ 4697c478bd9Sstevel@tonic-gate struct proc *zone_zsched; /* Dummy kernel "zsched" process */ 4707c478bd9Sstevel@tonic-gate pid_t zone_proc_initpid; /* pid of "init" for this zone */ 4713f2f09c1Sdp char *zone_initname; /* fs path to 'init' */ 4727c478bd9Sstevel@tonic-gate int zone_boot_err; /* for zone_boot() if boot fails */ 4737c478bd9Sstevel@tonic-gate char *zone_bootargs; /* arguments passed via zone_boot() */ 4740209230bSgjelinek uint64_t zone_phys_mcap; /* physical memory cap */ 4757c478bd9Sstevel@tonic-gate /* 4767c478bd9Sstevel@tonic-gate * zone_kthreads is protected by zone_status_lock. 4777c478bd9Sstevel@tonic-gate */ 4787c478bd9Sstevel@tonic-gate kthread_t *zone_kthreads; /* kernel threads in zone */ 4797c478bd9Sstevel@tonic-gate struct priv_set *zone_privset; /* limit set for zone */ 4807c478bd9Sstevel@tonic-gate /* 4817c478bd9Sstevel@tonic-gate * zone_vfslist is protected by vfs_list_lock(). 4827c478bd9Sstevel@tonic-gate */ 4837c478bd9Sstevel@tonic-gate struct vfs *zone_vfslist; /* list of FS's mounted in zone */ 4847c478bd9Sstevel@tonic-gate uint64_t zone_uniqid; /* unique zone generation number */ 4857c478bd9Sstevel@tonic-gate struct cred *zone_kcred; /* kcred-like, zone-limited cred */ 4867c478bd9Sstevel@tonic-gate /* 4877c478bd9Sstevel@tonic-gate * zone_pool is protected by pool_lock(). 4887c478bd9Sstevel@tonic-gate */ 4897c478bd9Sstevel@tonic-gate struct pool *zone_pool; /* pool the zone is bound to */ 4907c478bd9Sstevel@tonic-gate hrtime_t zone_pool_mod; /* last pool bind modification time */ 4917c478bd9Sstevel@tonic-gate /* zone_psetid is protected by cpu_lock */ 4927c478bd9Sstevel@tonic-gate psetid_t zone_psetid; /* pset the zone is bound to */ 493*86ad481cSJerry Jelinek 494*86ad481cSJerry Jelinek time_t zone_boot_time; /* Similar to boot_time */ 495*86ad481cSJerry Jelinek 4967c478bd9Sstevel@tonic-gate /* 4977c478bd9Sstevel@tonic-gate * The following two can be read without holding any locks. They are 4987c478bd9Sstevel@tonic-gate * updated under cpu_lock. 4997c478bd9Sstevel@tonic-gate */ 5007c478bd9Sstevel@tonic-gate int zone_ncpus; /* zone's idea of ncpus */ 5017c478bd9Sstevel@tonic-gate int zone_ncpus_online; /* zone's idea of ncpus_online */ 502fa9e4066Sahrens /* 503fa9e4066Sahrens * List of ZFS datasets exported to this zone. 504fa9e4066Sahrens */ 505fa9e4066Sahrens list_t zone_datasets; /* list of datasets */ 50645916cd2Sjpk 50742bc57c4Srica ts_label_t *zone_slabel; /* zone sensitivity label */ 50842bc57c4Srica int zone_match; /* require label match for packets */ 50945916cd2Sjpk tsol_mlp_list_t zone_mlps; /* MLPs on zone-private addresses */ 5103f2f09c1Sdp 5119acbbeafSnn boolean_t zone_restart_init; /* Restart init if it dies? */ 5129acbbeafSnn struct brand *zone_brand; /* zone's brand */ 513319378d9Seh void *zone_brand_data; /* store brand specific data */ 5140209230bSgjelinek id_t zone_defaultcid; /* dflt scheduling class id */ 5150209230bSgjelinek kstat_t *zone_swapresv_kstat; 5160209230bSgjelinek kstat_t *zone_lockedmem_kstat; 517f4b3ec61Sdh /* 518f4b3ec61Sdh * zone_dl_list is protected by zone_lock 519f4b3ec61Sdh */ 5202b24ab6bSSebastien Roy list_t zone_dl_list; 521f4b3ec61Sdh netstack_t *zone_netstack; 522c97ad5cdSakolb struct cpucap *zone_cpucap; /* CPU caps data */ 5239e9e6ab8Spaulson /* 5249e9e6ab8Spaulson * Solaris Auditing per-zone audit context 5259e9e6ab8Spaulson */ 5269e9e6ab8Spaulson struct au_kcontext *zone_audit_kctxt; 527835ee219SRobert Harris /* 528835ee219SRobert Harris * For private use by mntfs. 529835ee219SRobert Harris */ 530835ee219SRobert Harris struct mntelem *zone_mntfs_db; 531835ee219SRobert Harris krwlock_t zone_mntfs_db_lock; 532134a1f4eSCasper H.S. Dik 533134a1f4eSCasper H.S. Dik struct klpd_reg *zone_pfexecd; 5340fbb751dSJohn Levon 5350fbb751dSJohn Levon char *zone_fs_allowed; 536ff19e029SMenno Lageman rctl_qty_t zone_nprocs; /* number of processes in the zone */ 537ff19e029SMenno Lageman rctl_qty_t zone_nprocs_ctl; /* current limit protected by */ 538ff19e029SMenno Lageman /* zone_rctls->rcs_lock */ 539ff19e029SMenno Lageman kstat_t *zone_nprocs_kstat; 5407c478bd9Sstevel@tonic-gate } zone_t; 5417c478bd9Sstevel@tonic-gate 5427c478bd9Sstevel@tonic-gate /* 5437c478bd9Sstevel@tonic-gate * Special value of zone_psetid to indicate that pools are disabled. 5447c478bd9Sstevel@tonic-gate */ 5457c478bd9Sstevel@tonic-gate #define ZONE_PS_INVAL PS_MYID 5467c478bd9Sstevel@tonic-gate 547f4b3ec61Sdh 5487c478bd9Sstevel@tonic-gate extern zone_t zone0; 5497c478bd9Sstevel@tonic-gate extern zone_t *global_zone; 5507c478bd9Sstevel@tonic-gate extern uint_t maxzones; 5517c478bd9Sstevel@tonic-gate extern rctl_hndl_t rc_zone_nlwps; 552ff19e029SMenno Lageman extern rctl_hndl_t rc_zone_nprocs; 5537c478bd9Sstevel@tonic-gate 554fa9e4066Sahrens extern long zone(int, void *, void *, void *, void *); 5557c478bd9Sstevel@tonic-gate extern void zone_zsd_init(void); 5567c478bd9Sstevel@tonic-gate extern void zone_init(void); 5577c478bd9Sstevel@tonic-gate extern void zone_hold(zone_t *); 5587c478bd9Sstevel@tonic-gate extern void zone_rele(zone_t *); 559a19609f8Sjv extern void zone_init_ref(zone_ref_t *); 560a19609f8Sjv extern void zone_hold_ref(zone_t *, zone_ref_t *, zone_ref_subsys_t); 561a19609f8Sjv extern void zone_rele_ref(zone_ref_t *, zone_ref_subsys_t); 5627c478bd9Sstevel@tonic-gate extern void zone_cred_hold(zone_t *); 5637c478bd9Sstevel@tonic-gate extern void zone_cred_rele(zone_t *); 5647c478bd9Sstevel@tonic-gate extern void zone_task_hold(zone_t *); 5657c478bd9Sstevel@tonic-gate extern void zone_task_rele(zone_t *); 5667c478bd9Sstevel@tonic-gate extern zone_t *zone_find_by_id(zoneid_t); 56745916cd2Sjpk extern zone_t *zone_find_by_label(const ts_label_t *); 5687c478bd9Sstevel@tonic-gate extern zone_t *zone_find_by_name(char *); 56945916cd2Sjpk extern zone_t *zone_find_by_any_path(const char *, boolean_t); 57048451833Scarlsonj extern zone_t *zone_find_by_path(const char *); 5717c478bd9Sstevel@tonic-gate extern zoneid_t getzoneid(void); 572f4b3ec61Sdh extern zone_t *zone_find_by_id_nolock(zoneid_t); 5732b24ab6bSSebastien Roy extern int zone_datalink_walk(zoneid_t, int (*)(datalink_id_t, void *), void *); 5742b24ab6bSSebastien Roy extern int zone_check_datalink(zoneid_t *, datalink_id_t); 5757c478bd9Sstevel@tonic-gate 5767c478bd9Sstevel@tonic-gate /* 5777c478bd9Sstevel@tonic-gate * Zone-specific data (ZSD) APIs 5787c478bd9Sstevel@tonic-gate */ 5797c478bd9Sstevel@tonic-gate /* 5807c478bd9Sstevel@tonic-gate * The following is what code should be initializing its zone_key_t to if it 5817c478bd9Sstevel@tonic-gate * calls zone_getspecific() without necessarily knowing that zone_key_create() 5827c478bd9Sstevel@tonic-gate * has been called on the key. 5837c478bd9Sstevel@tonic-gate */ 5847c478bd9Sstevel@tonic-gate #define ZONE_KEY_UNINITIALIZED 0 5857c478bd9Sstevel@tonic-gate 5867c478bd9Sstevel@tonic-gate typedef uint_t zone_key_t; 5877c478bd9Sstevel@tonic-gate 5887c478bd9Sstevel@tonic-gate extern void zone_key_create(zone_key_t *, void *(*)(zoneid_t), 5897c478bd9Sstevel@tonic-gate void (*)(zoneid_t, void *), void (*)(zoneid_t, void *)); 5907c478bd9Sstevel@tonic-gate extern int zone_key_delete(zone_key_t); 5917c478bd9Sstevel@tonic-gate extern void *zone_getspecific(zone_key_t, zone_t *); 5927c478bd9Sstevel@tonic-gate extern int zone_setspecific(zone_key_t, zone_t *, const void *); 5937c478bd9Sstevel@tonic-gate 5947c478bd9Sstevel@tonic-gate /* 5957c478bd9Sstevel@tonic-gate * The definition of a zsd_entry is truly private to zone.c and is only 5967c478bd9Sstevel@tonic-gate * placed here so it can be shared with mdb. 597bd41d0a8Snordmark * 598bd41d0a8Snordmark * State maintained for each zone times each registered key, which tracks 599bd41d0a8Snordmark * the state of the create, shutdown and destroy callbacks. 600bd41d0a8Snordmark * 601bd41d0a8Snordmark * zsd_flags is used to keep track of pending actions to avoid holding locks 602bd41d0a8Snordmark * when calling the create/shutdown/destroy callbacks, since doing so 603bd41d0a8Snordmark * could lead to deadlocks. 6047c478bd9Sstevel@tonic-gate */ 6057c478bd9Sstevel@tonic-gate struct zsd_entry { 6067c478bd9Sstevel@tonic-gate zone_key_t zsd_key; /* Key used to lookup value */ 6077c478bd9Sstevel@tonic-gate void *zsd_data; /* Caller-managed value */ 6087c478bd9Sstevel@tonic-gate /* 6097c478bd9Sstevel@tonic-gate * Callbacks to be executed when a zone is created, shutdown, and 6107c478bd9Sstevel@tonic-gate * destroyed, respectively. 6117c478bd9Sstevel@tonic-gate */ 6127c478bd9Sstevel@tonic-gate void *(*zsd_create)(zoneid_t); 6137c478bd9Sstevel@tonic-gate void (*zsd_shutdown)(zoneid_t, void *); 6147c478bd9Sstevel@tonic-gate void (*zsd_destroy)(zoneid_t, void *); 6157c478bd9Sstevel@tonic-gate list_node_t zsd_linkage; 616bd41d0a8Snordmark uint16_t zsd_flags; /* See below */ 617bd41d0a8Snordmark kcondvar_t zsd_cv; 6187c478bd9Sstevel@tonic-gate }; 6197c478bd9Sstevel@tonic-gate 620bd41d0a8Snordmark /* 621bd41d0a8Snordmark * zsd_flags 622bd41d0a8Snordmark */ 623bd41d0a8Snordmark #define ZSD_CREATE_NEEDED 0x0001 624bd41d0a8Snordmark #define ZSD_CREATE_INPROGRESS 0x0002 625bd41d0a8Snordmark #define ZSD_CREATE_COMPLETED 0x0004 626bd41d0a8Snordmark #define ZSD_SHUTDOWN_NEEDED 0x0010 627bd41d0a8Snordmark #define ZSD_SHUTDOWN_INPROGRESS 0x0020 628bd41d0a8Snordmark #define ZSD_SHUTDOWN_COMPLETED 0x0040 629bd41d0a8Snordmark #define ZSD_DESTROY_NEEDED 0x0100 630bd41d0a8Snordmark #define ZSD_DESTROY_INPROGRESS 0x0200 631bd41d0a8Snordmark #define ZSD_DESTROY_COMPLETED 0x0400 632bd41d0a8Snordmark 633bd41d0a8Snordmark #define ZSD_CREATE_ALL \ 634bd41d0a8Snordmark (ZSD_CREATE_NEEDED|ZSD_CREATE_INPROGRESS|ZSD_CREATE_COMPLETED) 635bd41d0a8Snordmark #define ZSD_SHUTDOWN_ALL \ 636bd41d0a8Snordmark (ZSD_SHUTDOWN_NEEDED|ZSD_SHUTDOWN_INPROGRESS|ZSD_SHUTDOWN_COMPLETED) 637bd41d0a8Snordmark #define ZSD_DESTROY_ALL \ 638bd41d0a8Snordmark (ZSD_DESTROY_NEEDED|ZSD_DESTROY_INPROGRESS|ZSD_DESTROY_COMPLETED) 639bd41d0a8Snordmark 640bd41d0a8Snordmark #define ZSD_ALL_INPROGRESS \ 641bd41d0a8Snordmark (ZSD_CREATE_INPROGRESS|ZSD_SHUTDOWN_INPROGRESS|ZSD_DESTROY_INPROGRESS) 642bd41d0a8Snordmark 6437c478bd9Sstevel@tonic-gate /* 6447c478bd9Sstevel@tonic-gate * Macros to help with zone visibility restrictions. 6457c478bd9Sstevel@tonic-gate */ 6467c478bd9Sstevel@tonic-gate 6477c478bd9Sstevel@tonic-gate /* 6487c478bd9Sstevel@tonic-gate * Is process in the global zone? 6497c478bd9Sstevel@tonic-gate */ 6507c478bd9Sstevel@tonic-gate #define INGLOBALZONE(p) \ 6517c478bd9Sstevel@tonic-gate ((p)->p_zone == global_zone) 6527c478bd9Sstevel@tonic-gate 6537c478bd9Sstevel@tonic-gate /* 6547c478bd9Sstevel@tonic-gate * Can process view objects in given zone? 6557c478bd9Sstevel@tonic-gate */ 6567c478bd9Sstevel@tonic-gate #define HASZONEACCESS(p, zoneid) \ 6577c478bd9Sstevel@tonic-gate ((p)->p_zone->zone_id == (zoneid) || INGLOBALZONE(p)) 6587c478bd9Sstevel@tonic-gate 6597c478bd9Sstevel@tonic-gate /* 6607c478bd9Sstevel@tonic-gate * Convenience macro to see if a resolved path is visible from within a 6617c478bd9Sstevel@tonic-gate * given zone. 6627c478bd9Sstevel@tonic-gate * 6637c478bd9Sstevel@tonic-gate * The basic idea is that the first (zone_rootpathlen - 1) bytes of the 6647c478bd9Sstevel@tonic-gate * two strings must be equal. Since the rootpathlen has a trailing '/', 6657c478bd9Sstevel@tonic-gate * we want to skip everything in the path up to (but not including) the 6667c478bd9Sstevel@tonic-gate * trailing '/'. 6677c478bd9Sstevel@tonic-gate */ 6687c478bd9Sstevel@tonic-gate #define ZONE_PATH_VISIBLE(path, zone) \ 6697c478bd9Sstevel@tonic-gate (strncmp((path), (zone)->zone_rootpath, \ 6707c478bd9Sstevel@tonic-gate (zone)->zone_rootpathlen - 1) == 0) 6717c478bd9Sstevel@tonic-gate 6727c478bd9Sstevel@tonic-gate /* 6737c478bd9Sstevel@tonic-gate * Convenience macro to go from the global view of a path to that seen 6747c478bd9Sstevel@tonic-gate * from within said zone. It is the responsibility of the caller to 6757c478bd9Sstevel@tonic-gate * ensure that the path is a resolved one (ie, no '..'s or '.'s), and is 6767c478bd9Sstevel@tonic-gate * in fact visible from within the zone. 6777c478bd9Sstevel@tonic-gate */ 6787c478bd9Sstevel@tonic-gate #define ZONE_PATH_TRANSLATE(path, zone) \ 6797c478bd9Sstevel@tonic-gate (ASSERT(ZONE_PATH_VISIBLE(path, zone)), \ 6807c478bd9Sstevel@tonic-gate (path) + (zone)->zone_rootpathlen - 2) 6817c478bd9Sstevel@tonic-gate 6827c478bd9Sstevel@tonic-gate /* 6837c478bd9Sstevel@tonic-gate * Special processes visible in all zones. 6847c478bd9Sstevel@tonic-gate */ 6857c478bd9Sstevel@tonic-gate #define ZONE_SPECIALPID(x) ((x) == 0 || (x) == 1) 6867c478bd9Sstevel@tonic-gate 6877c478bd9Sstevel@tonic-gate /* 6887c478bd9Sstevel@tonic-gate * Zone-safe version of thread_create() to be used when the caller wants to 6897c478bd9Sstevel@tonic-gate * create a kernel thread to run within the current zone's context. 6907c478bd9Sstevel@tonic-gate */ 6917c478bd9Sstevel@tonic-gate extern kthread_t *zthread_create(caddr_t, size_t, void (*)(), void *, size_t, 6927c478bd9Sstevel@tonic-gate pri_t); 6937c478bd9Sstevel@tonic-gate extern void zthread_exit(void); 6947c478bd9Sstevel@tonic-gate 6957c478bd9Sstevel@tonic-gate /* 6967c478bd9Sstevel@tonic-gate * Functions for an external observer to register interest in a zone's status 6977c478bd9Sstevel@tonic-gate * change. Observers will be woken up when the zone status equals the status 6987c478bd9Sstevel@tonic-gate * argument passed in (in the case of zone_status_timedwait, the function may 6997c478bd9Sstevel@tonic-gate * also return because of a timeout; zone_status_wait_sig may return early due 7007c478bd9Sstevel@tonic-gate * to a signal being delivered; zone_status_timedwait_sig may return for any of 7017c478bd9Sstevel@tonic-gate * the above reasons). 7027c478bd9Sstevel@tonic-gate * 7037c478bd9Sstevel@tonic-gate * Otherwise these behave identically to cv_timedwait(), cv_wait(), and 7047c478bd9Sstevel@tonic-gate * cv_wait_sig() respectively. 7057c478bd9Sstevel@tonic-gate */ 7067c478bd9Sstevel@tonic-gate extern clock_t zone_status_timedwait(zone_t *, clock_t, zone_status_t); 7077c478bd9Sstevel@tonic-gate extern clock_t zone_status_timedwait_sig(zone_t *, clock_t, zone_status_t); 7087c478bd9Sstevel@tonic-gate extern void zone_status_wait(zone_t *, zone_status_t); 7097c478bd9Sstevel@tonic-gate extern int zone_status_wait_sig(zone_t *, zone_status_t); 7107c478bd9Sstevel@tonic-gate 7117c478bd9Sstevel@tonic-gate /* 7127c478bd9Sstevel@tonic-gate * Get the status of the zone (at the time it was called). The state may 7137c478bd9Sstevel@tonic-gate * have progressed by the time it is returned. 7147c478bd9Sstevel@tonic-gate */ 7157c478bd9Sstevel@tonic-gate extern zone_status_t zone_status_get(zone_t *); 7167c478bd9Sstevel@tonic-gate 7175679c89fSjv /* 7185679c89fSjv * Safely get the hostid of the specified zone (defaults to machine's hostid 7195679c89fSjv * if the specified zone doesn't emulate a hostid). Passing NULL retrieves 7205679c89fSjv * the global zone's (i.e., physical system's) hostid. 7215679c89fSjv */ 7225679c89fSjv extern uint32_t zone_get_hostid(zone_t *); 7235679c89fSjv 7247c478bd9Sstevel@tonic-gate /* 7257c478bd9Sstevel@tonic-gate * Get the "kcred" credentials corresponding to the given zone. 7267c478bd9Sstevel@tonic-gate */ 7277c478bd9Sstevel@tonic-gate extern struct cred *zone_get_kcred(zoneid_t); 7287c478bd9Sstevel@tonic-gate 7297c478bd9Sstevel@tonic-gate /* 7307c478bd9Sstevel@tonic-gate * Get/set the pool the zone is currently bound to. 7317c478bd9Sstevel@tonic-gate */ 7327c478bd9Sstevel@tonic-gate extern struct pool *zone_pool_get(zone_t *); 7337c478bd9Sstevel@tonic-gate extern void zone_pool_set(zone_t *, struct pool *); 7347c478bd9Sstevel@tonic-gate 7357c478bd9Sstevel@tonic-gate /* 7367c478bd9Sstevel@tonic-gate * Get/set the pset the zone is currently using. 7377c478bd9Sstevel@tonic-gate */ 7387c478bd9Sstevel@tonic-gate extern psetid_t zone_pset_get(zone_t *); 7397c478bd9Sstevel@tonic-gate extern void zone_pset_set(zone_t *, psetid_t); 7407c478bd9Sstevel@tonic-gate 7417c478bd9Sstevel@tonic-gate /* 7427c478bd9Sstevel@tonic-gate * Get the number of cpus/online-cpus visible from the given zone. 7437c478bd9Sstevel@tonic-gate */ 7447c478bd9Sstevel@tonic-gate extern int zone_ncpus_get(zone_t *); 7457c478bd9Sstevel@tonic-gate extern int zone_ncpus_online_get(zone_t *); 7467c478bd9Sstevel@tonic-gate 747fa9e4066Sahrens /* 748fa9e4066Sahrens * Returns true if the named pool/dataset is visible in the current zone. 749fa9e4066Sahrens */ 750fa9e4066Sahrens extern int zone_dataset_visible(const char *, int *); 751fa9e4066Sahrens 7527c478bd9Sstevel@tonic-gate /* 7533f2f09c1Sdp * zone version of kadmin() 7547c478bd9Sstevel@tonic-gate */ 7553f2f09c1Sdp extern int zone_kadmin(int, int, const char *, cred_t *); 7567c478bd9Sstevel@tonic-gate extern void zone_shutdown_global(void); 7577c478bd9Sstevel@tonic-gate 7587c478bd9Sstevel@tonic-gate extern void mount_in_progress(void); 7597c478bd9Sstevel@tonic-gate extern void mount_completed(void); 7607c478bd9Sstevel@tonic-gate 7617c478bd9Sstevel@tonic-gate extern int zone_walk(int (*)(zone_t *, void *), void *); 7627c478bd9Sstevel@tonic-gate 763c6939658Ssl extern rctl_hndl_t rc_zone_locked_mem; 7640209230bSgjelinek extern rctl_hndl_t rc_zone_max_swap; 7650fbb751dSJohn Levon extern rctl_hndl_t rc_zone_max_lofi; 766c6939658Ssl 7677c478bd9Sstevel@tonic-gate #endif /* _KERNEL */ 7687c478bd9Sstevel@tonic-gate 7697c478bd9Sstevel@tonic-gate #ifdef __cplusplus 7707c478bd9Sstevel@tonic-gate } 7717c478bd9Sstevel@tonic-gate #endif 7727c478bd9Sstevel@tonic-gate 7737c478bd9Sstevel@tonic-gate #endif /* _SYS_ZONE_H */ 774