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. 233c7284bdSAlexander Eremin * Copyright 2014 Nexenta Systems, Inc. All rights reserved. 247c478bd9Sstevel@tonic-gate */ 257c478bd9Sstevel@tonic-gate 267c478bd9Sstevel@tonic-gate #ifndef _SYS_ZONE_H 277c478bd9Sstevel@tonic-gate #define _SYS_ZONE_H 287c478bd9Sstevel@tonic-gate 297c478bd9Sstevel@tonic-gate #include <sys/types.h> 307c478bd9Sstevel@tonic-gate #include <sys/mutex.h> 317c478bd9Sstevel@tonic-gate #include <sys/param.h> 327c478bd9Sstevel@tonic-gate #include <sys/rctl.h> 33824c205fSml #include <sys/ipc_rctl.h> 347c478bd9Sstevel@tonic-gate #include <sys/pset.h> 3545916cd2Sjpk #include <sys/tsol/label.h> 36f4b3ec61Sdh #include <sys/cred.h> 37f4b3ec61Sdh #include <sys/netstack.h> 383f2f09c1Sdp #include <sys/uadmin.h> 39835ee219SRobert Harris #include <sys/ksynch.h> 40550b6e40SSowmini Varadhan #include <sys/socket_impl.h> 41550b6e40SSowmini Varadhan #include <netinet/in.h> 427c478bd9Sstevel@tonic-gate 437c478bd9Sstevel@tonic-gate #ifdef __cplusplus 447c478bd9Sstevel@tonic-gate extern "C" { 457c478bd9Sstevel@tonic-gate #endif 467c478bd9Sstevel@tonic-gate 477c478bd9Sstevel@tonic-gate /* 487c478bd9Sstevel@tonic-gate * NOTE 497c478bd9Sstevel@tonic-gate * 507c478bd9Sstevel@tonic-gate * The contents of this file are private to the implementation of 517c478bd9Sstevel@tonic-gate * Solaris and are subject to change at any time without notice. 527c478bd9Sstevel@tonic-gate * Applications and drivers using these interfaces may fail to 537c478bd9Sstevel@tonic-gate * run on future releases. 547c478bd9Sstevel@tonic-gate */ 557c478bd9Sstevel@tonic-gate 567c478bd9Sstevel@tonic-gate /* Available both in kernel and for user space */ 577c478bd9Sstevel@tonic-gate 587c478bd9Sstevel@tonic-gate /* zone id restrictions and special ids */ 597c478bd9Sstevel@tonic-gate #define MAX_ZONEID 9999 607c478bd9Sstevel@tonic-gate #define MIN_USERZONEID 1 /* lowest user-creatable zone ID */ 617c478bd9Sstevel@tonic-gate #define MIN_ZONEID 0 /* minimum zone ID on system */ 627c478bd9Sstevel@tonic-gate #define GLOBAL_ZONEID 0 637c478bd9Sstevel@tonic-gate #define ZONEID_WIDTH 4 /* for printf */ 647c478bd9Sstevel@tonic-gate 6545916cd2Sjpk /* 6645916cd2Sjpk * Special zoneid_t token to refer to all zones. 6745916cd2Sjpk */ 6845916cd2Sjpk #define ALL_ZONES (-1) 6945916cd2Sjpk 707c478bd9Sstevel@tonic-gate /* system call subcodes */ 71f4b3ec61Sdh #define ZONE_CREATE 0 72f4b3ec61Sdh #define ZONE_DESTROY 1 73f4b3ec61Sdh #define ZONE_GETATTR 2 74f4b3ec61Sdh #define ZONE_ENTER 3 75f4b3ec61Sdh #define ZONE_LIST 4 76f4b3ec61Sdh #define ZONE_SHUTDOWN 5 77f4b3ec61Sdh #define ZONE_LOOKUP 6 78f4b3ec61Sdh #define ZONE_BOOT 7 79f4b3ec61Sdh #define ZONE_VERSION 8 80f4b3ec61Sdh #define ZONE_SETATTR 9 81f4b3ec61Sdh #define ZONE_ADD_DATALINK 10 82f4b3ec61Sdh #define ZONE_DEL_DATALINK 11 83f4b3ec61Sdh #define ZONE_CHECK_DATALINK 12 84f4b3ec61Sdh #define ZONE_LIST_DATALINK 13 857c478bd9Sstevel@tonic-gate 867c478bd9Sstevel@tonic-gate /* zone attributes */ 877c478bd9Sstevel@tonic-gate #define ZONE_ATTR_ROOT 1 887c478bd9Sstevel@tonic-gate #define ZONE_ATTR_NAME 2 897c478bd9Sstevel@tonic-gate #define ZONE_ATTR_STATUS 3 907c478bd9Sstevel@tonic-gate #define ZONE_ATTR_PRIVSET 4 917c478bd9Sstevel@tonic-gate #define ZONE_ATTR_UNIQID 5 927c478bd9Sstevel@tonic-gate #define ZONE_ATTR_POOLID 6 937c478bd9Sstevel@tonic-gate #define ZONE_ATTR_INITPID 7 9445916cd2Sjpk #define ZONE_ATTR_SLBL 8 953f2f09c1Sdp #define ZONE_ATTR_INITNAME 9 963f2f09c1Sdp #define ZONE_ATTR_BOOTARGS 10 979acbbeafSnn #define ZONE_ATTR_BRAND 11 980209230bSgjelinek #define ZONE_ATTR_PHYS_MCAP 12 990209230bSgjelinek #define ZONE_ATTR_SCHED_CLASS 13 100f4b3ec61Sdh #define ZONE_ATTR_FLAGS 14 1015679c89fSjv #define ZONE_ATTR_HOSTID 15 1020fbb751dSJohn Levon #define ZONE_ATTR_FS_ALLOWED 16 103550b6e40SSowmini Varadhan #define ZONE_ATTR_NETWORK 17 1049acbbeafSnn 1059acbbeafSnn /* Start of the brand-specific attribute namespace */ 1069acbbeafSnn #define ZONE_ATTR_BRAND_ATTRS 32768 1077c478bd9Sstevel@tonic-gate 1080fbb751dSJohn Levon #define ZONE_FS_ALLOWED_MAX 1024 1090fbb751dSJohn Levon 110cf8f45c7Sdstaff #define ZONE_EVENT_CHANNEL "com.sun:zones:status" 111cf8f45c7Sdstaff #define ZONE_EVENT_STATUS_CLASS "status" 112cf8f45c7Sdstaff #define ZONE_EVENT_STATUS_SUBCLASS "change" 113cf8f45c7Sdstaff 114cf8f45c7Sdstaff #define ZONE_EVENT_UNINITIALIZED "uninitialized" 115bd41d0a8Snordmark #define ZONE_EVENT_INITIALIZED "initialized" 116cf8f45c7Sdstaff #define ZONE_EVENT_READY "ready" 117cf8f45c7Sdstaff #define ZONE_EVENT_RUNNING "running" 118cf8f45c7Sdstaff #define ZONE_EVENT_SHUTTING_DOWN "shutting_down" 119cf8f45c7Sdstaff 120cf8f45c7Sdstaff #define ZONE_CB_NAME "zonename" 121cf8f45c7Sdstaff #define ZONE_CB_NEWSTATE "newstate" 122cf8f45c7Sdstaff #define ZONE_CB_OLDSTATE "oldstate" 123cf8f45c7Sdstaff #define ZONE_CB_TIMESTAMP "when" 124cf8f45c7Sdstaff #define ZONE_CB_ZONEID "zoneid" 125cf8f45c7Sdstaff 1269acbbeafSnn /* 1279acbbeafSnn * Exit values that may be returned by scripts or programs invoked by various 1289acbbeafSnn * zone commands. 1299acbbeafSnn * 1309acbbeafSnn * These are defined as: 1319acbbeafSnn * 1329acbbeafSnn * ZONE_SUBPROC_OK 1339acbbeafSnn * =============== 1349acbbeafSnn * The subprocess completed successfully. 1359acbbeafSnn * 1369acbbeafSnn * ZONE_SUBPROC_USAGE 1379acbbeafSnn * ================== 1389acbbeafSnn * The subprocess failed with a usage message, or a usage message should 1399acbbeafSnn * be output in its behalf. 1409acbbeafSnn * 1419acbbeafSnn * ZONE_SUBPROC_NOTCOMPLETE 1429acbbeafSnn * ======================== 1439acbbeafSnn * The subprocess did not complete, but the actions performed by the 1449acbbeafSnn * subprocess require no recovery actions by the user. 1459acbbeafSnn * 1469acbbeafSnn * For example, if the subprocess were called by "zoneadm install," the 1479acbbeafSnn * installation of the zone did not succeed but the user need not perform 1489acbbeafSnn * a "zoneadm uninstall" before attempting another install. 1499acbbeafSnn * 1509acbbeafSnn * ZONE_SUBPROC_FATAL 1519acbbeafSnn * ================== 1529acbbeafSnn * The subprocess failed in a fatal manner, usually one that will require 1539acbbeafSnn * some type of recovery action by the user. 1549acbbeafSnn * 1559acbbeafSnn * For example, if the subprocess were called by "zoneadm install," the 1569acbbeafSnn * installation of the zone did not succeed and the user will need to 1579acbbeafSnn * perform a "zoneadm uninstall" before another install attempt is 1589acbbeafSnn * possible. 1599acbbeafSnn * 1609acbbeafSnn * The non-success exit values are large to avoid accidental collision 1619acbbeafSnn * with values used internally by some commands (e.g. "Z_ERR" and 1629acbbeafSnn * "Z_USAGE" as used by zoneadm.) 1639acbbeafSnn */ 1649acbbeafSnn #define ZONE_SUBPROC_OK 0 1659acbbeafSnn #define ZONE_SUBPROC_USAGE 253 1669acbbeafSnn #define ZONE_SUBPROC_NOTCOMPLETE 254 1679acbbeafSnn #define ZONE_SUBPROC_FATAL 255 1689acbbeafSnn 1697c478bd9Sstevel@tonic-gate #ifdef _SYSCALL32 1707c478bd9Sstevel@tonic-gate typedef struct { 1717c478bd9Sstevel@tonic-gate caddr32_t zone_name; 1727c478bd9Sstevel@tonic-gate caddr32_t zone_root; 1737c478bd9Sstevel@tonic-gate caddr32_t zone_privs; 174821c4a97Sdp size32_t zone_privssz; 1757c478bd9Sstevel@tonic-gate caddr32_t rctlbuf; 1767c478bd9Sstevel@tonic-gate size32_t rctlbufsz; 1777c478bd9Sstevel@tonic-gate caddr32_t extended_error; 178fa9e4066Sahrens caddr32_t zfsbuf; 179fa9e4066Sahrens size32_t zfsbufsz; 18042bc57c4Srica int match; /* match level */ 18142bc57c4Srica uint32_t doi; /* DOI for label */ 18242bc57c4Srica caddr32_t label; /* label associated with zone */ 183f4b3ec61Sdh int flags; 1847c478bd9Sstevel@tonic-gate } zone_def32; 1857c478bd9Sstevel@tonic-gate #endif 1867c478bd9Sstevel@tonic-gate typedef struct { 1877c478bd9Sstevel@tonic-gate const char *zone_name; 1887c478bd9Sstevel@tonic-gate const char *zone_root; 1897c478bd9Sstevel@tonic-gate const struct priv_set *zone_privs; 190821c4a97Sdp size_t zone_privssz; 1917c478bd9Sstevel@tonic-gate const char *rctlbuf; 1927c478bd9Sstevel@tonic-gate size_t rctlbufsz; 1937c478bd9Sstevel@tonic-gate int *extended_error; 194fa9e4066Sahrens const char *zfsbuf; 195fa9e4066Sahrens size_t zfsbufsz; 19645916cd2Sjpk int match; /* match level */ 19742bc57c4Srica uint32_t doi; /* DOI for label */ 19845916cd2Sjpk const bslabel_t *label; /* label associated with zone */ 199f4b3ec61Sdh int flags; 2007c478bd9Sstevel@tonic-gate } zone_def; 2017c478bd9Sstevel@tonic-gate 2027c478bd9Sstevel@tonic-gate /* extended error information */ 2037c478bd9Sstevel@tonic-gate #define ZE_UNKNOWN 0 /* No extended error info */ 2047c478bd9Sstevel@tonic-gate #define ZE_CHROOTED 1 /* tried to zone_create from chroot */ 2057c478bd9Sstevel@tonic-gate #define ZE_AREMOUNTS 2 /* there are mounts within the zone */ 2068c55461bSton #define ZE_LABELINUSE 3 /* label is already in use by some other zone */ 2077c478bd9Sstevel@tonic-gate 208a19609f8Sjv /* 209a19609f8Sjv * zone_status values 210a19609f8Sjv * 211a19609f8Sjv * You must modify zone_status_names in mdb(1M)'s genunix module 212a19609f8Sjv * (genunix/zone.c) when you modify this enum. 213a19609f8Sjv */ 2147c478bd9Sstevel@tonic-gate typedef enum { 2157c478bd9Sstevel@tonic-gate ZONE_IS_UNINITIALIZED = 0, 216bd41d0a8Snordmark ZONE_IS_INITIALIZED, 2177c478bd9Sstevel@tonic-gate ZONE_IS_READY, 2187c478bd9Sstevel@tonic-gate ZONE_IS_BOOTING, 2197c478bd9Sstevel@tonic-gate ZONE_IS_RUNNING, 2207c478bd9Sstevel@tonic-gate ZONE_IS_SHUTTING_DOWN, 2217c478bd9Sstevel@tonic-gate ZONE_IS_EMPTY, 2227c478bd9Sstevel@tonic-gate ZONE_IS_DOWN, 2237c478bd9Sstevel@tonic-gate ZONE_IS_DYING, 2247c478bd9Sstevel@tonic-gate ZONE_IS_DEAD 2257c478bd9Sstevel@tonic-gate } zone_status_t; 2267c478bd9Sstevel@tonic-gate #define ZONE_MIN_STATE ZONE_IS_UNINITIALIZED 2277c478bd9Sstevel@tonic-gate #define ZONE_MAX_STATE ZONE_IS_DEAD 2287c478bd9Sstevel@tonic-gate 2297c478bd9Sstevel@tonic-gate /* 2307c478bd9Sstevel@tonic-gate * Valid commands which may be issued by zoneadm to zoneadmd. The kernel also 2317c478bd9Sstevel@tonic-gate * communicates with zoneadmd, but only uses Z_REBOOT and Z_HALT. 2327c478bd9Sstevel@tonic-gate */ 2337c478bd9Sstevel@tonic-gate typedef enum zone_cmd { 2349acbbeafSnn Z_READY, Z_BOOT, Z_FORCEBOOT, Z_REBOOT, Z_HALT, Z_NOTE_UNINSTALLING, 2353c7284bdSAlexander Eremin Z_MOUNT, Z_FORCEMOUNT, Z_UNMOUNT, Z_SHUTDOWN 2367c478bd9Sstevel@tonic-gate } zone_cmd_t; 2377c478bd9Sstevel@tonic-gate 2387c478bd9Sstevel@tonic-gate /* 2397c478bd9Sstevel@tonic-gate * The structure of a request to zoneadmd. 2407c478bd9Sstevel@tonic-gate */ 2417c478bd9Sstevel@tonic-gate typedef struct zone_cmd_arg { 2427c478bd9Sstevel@tonic-gate uint64_t uniqid; /* unique "generation number" */ 2437c478bd9Sstevel@tonic-gate zone_cmd_t cmd; /* requested action */ 2443f2f09c1Sdp uint32_t _pad; /* need consistent 32/64 bit alignmt */ 2457c478bd9Sstevel@tonic-gate char locale[MAXPATHLEN]; /* locale in which to render messages */ 2463f2f09c1Sdp char bootbuf[BOOTARGS_MAX]; /* arguments passed to zone_boot() */ 2477c478bd9Sstevel@tonic-gate } zone_cmd_arg_t; 2487c478bd9Sstevel@tonic-gate 2497c478bd9Sstevel@tonic-gate /* 2507c478bd9Sstevel@tonic-gate * Structure of zoneadmd's response to a request. A NULL return value means 2517c478bd9Sstevel@tonic-gate * the caller should attempt to restart zoneadmd and retry. 2527c478bd9Sstevel@tonic-gate */ 2537c478bd9Sstevel@tonic-gate typedef struct zone_cmd_rval { 2547c478bd9Sstevel@tonic-gate int rval; /* return value of request */ 2557c478bd9Sstevel@tonic-gate char errbuf[1]; /* variable-sized buffer containing error messages */ 2567c478bd9Sstevel@tonic-gate } zone_cmd_rval_t; 2577c478bd9Sstevel@tonic-gate 2587c478bd9Sstevel@tonic-gate /* 2597c478bd9Sstevel@tonic-gate * The zone support infrastructure uses the zone name as a component 2607c478bd9Sstevel@tonic-gate * of unix domain (AF_UNIX) sockets, which are limited to 108 characters 2617c478bd9Sstevel@tonic-gate * in length, so ZONENAME_MAX is limited by that. 2627c478bd9Sstevel@tonic-gate */ 2637c478bd9Sstevel@tonic-gate #define ZONENAME_MAX 64 2647c478bd9Sstevel@tonic-gate 2657c478bd9Sstevel@tonic-gate #define GLOBAL_ZONENAME "global" 2667c478bd9Sstevel@tonic-gate 2677c478bd9Sstevel@tonic-gate /* 2687c478bd9Sstevel@tonic-gate * Extended Regular expression (see regex(5)) which matches all valid zone 2697c478bd9Sstevel@tonic-gate * names. 2707c478bd9Sstevel@tonic-gate */ 2717c478bd9Sstevel@tonic-gate #define ZONENAME_REGEXP "[a-zA-Z0-9][-_.a-zA-Z0-9]{0,62}" 2727c478bd9Sstevel@tonic-gate 2737c478bd9Sstevel@tonic-gate /* 2747c478bd9Sstevel@tonic-gate * Where the zones support infrastructure places temporary files. 2757c478bd9Sstevel@tonic-gate */ 2767c478bd9Sstevel@tonic-gate #define ZONES_TMPDIR "/var/run/zones" 2777c478bd9Sstevel@tonic-gate 2787c478bd9Sstevel@tonic-gate /* 2797c478bd9Sstevel@tonic-gate * The path to the door used by clients to communicate with zoneadmd. 2807c478bd9Sstevel@tonic-gate */ 2817c478bd9Sstevel@tonic-gate #define ZONE_DOOR_PATH ZONES_TMPDIR "/%s.zoneadmd_door" 2827c478bd9Sstevel@tonic-gate 283a19609f8Sjv 284f4b3ec61Sdh /* zone_flags */ 285a19609f8Sjv /* 286a19609f8Sjv * Threads that read or write the following flag must hold zone_lock. 287a19609f8Sjv */ 288a19609f8Sjv #define ZF_REFCOUNTS_LOGGED 0x1 /* a thread logged the zone's refs */ 289a19609f8Sjv 290a19609f8Sjv /* 291a19609f8Sjv * The following threads are set when the zone is created and never changed. 292a19609f8Sjv * Threads that test for these flags don't have to hold zone_lock. 293a19609f8Sjv */ 294f4b3ec61Sdh #define ZF_HASHED_LABEL 0x2 /* zone has a unique label */ 295f4b3ec61Sdh #define ZF_IS_SCRATCH 0x4 /* scratch zone */ 296f4b3ec61Sdh #define ZF_NET_EXCL 0x8 /* Zone has an exclusive IP stack */ 297f4b3ec61Sdh 298a19609f8Sjv 299f4b3ec61Sdh /* zone_create flags */ 300f4b3ec61Sdh #define ZCF_NET_EXCL 0x1 /* Create a zone with exclusive IP */ 301f4b3ec61Sdh 302550b6e40SSowmini Varadhan /* zone network properties */ 303550b6e40SSowmini Varadhan #define ZONE_NETWORK_ADDRESS 1 304550b6e40SSowmini Varadhan #define ZONE_NETWORK_DEFROUTER 2 305550b6e40SSowmini Varadhan 306550b6e40SSowmini Varadhan #define ZONE_NET_ADDRNAME "address" 307550b6e40SSowmini Varadhan #define ZONE_NET_RTRNAME "route" 308550b6e40SSowmini Varadhan 309550b6e40SSowmini Varadhan typedef struct zone_net_data { 310550b6e40SSowmini Varadhan int zn_type; 311550b6e40SSowmini Varadhan int zn_len; 312550b6e40SSowmini Varadhan datalink_id_t zn_linkid; 313550b6e40SSowmini Varadhan uint8_t zn_val[1]; 314550b6e40SSowmini Varadhan } zone_net_data_t; 315550b6e40SSowmini Varadhan 316550b6e40SSowmini Varadhan 3177c478bd9Sstevel@tonic-gate #ifdef _KERNEL 318a19609f8Sjv 3197c478bd9Sstevel@tonic-gate /* 3207c478bd9Sstevel@tonic-gate * We need to protect the definition of 'list_t' from userland applications and 3217c478bd9Sstevel@tonic-gate * libraries which may be defining ther own versions. 3227c478bd9Sstevel@tonic-gate */ 3237c478bd9Sstevel@tonic-gate #include <sys/list.h> 3247c478bd9Sstevel@tonic-gate 3257c478bd9Sstevel@tonic-gate #define GLOBAL_ZONEUNIQID 0 /* uniqid of the global zone */ 3267c478bd9Sstevel@tonic-gate 3277c478bd9Sstevel@tonic-gate struct pool; 3289acbbeafSnn struct brand; 3297c478bd9Sstevel@tonic-gate 330a19609f8Sjv /* 331a19609f8Sjv * Each of these constants identifies a kernel subsystem that acquires and 332a19609f8Sjv * releases zone references. Each subsystem that invokes 333a19609f8Sjv * zone_hold_ref() and zone_rele_ref() should specify the 334a19609f8Sjv * zone_ref_subsys_t constant associated with the subsystem. Tracked holds 335a19609f8Sjv * help users and developers quickly identify subsystems that stall zone 336a19609f8Sjv * shutdowns indefinitely. 337a19609f8Sjv * 338a19609f8Sjv * NOTE: You must modify zone_ref_subsys_names in usr/src/uts/common/os/zone.c 339a19609f8Sjv * when you modify this enumeration. 340a19609f8Sjv */ 341a19609f8Sjv typedef enum zone_ref_subsys { 342a19609f8Sjv ZONE_REF_NFS, /* NFS */ 343a19609f8Sjv ZONE_REF_NFSV4, /* NFSv4 */ 344a19609f8Sjv ZONE_REF_SMBFS, /* SMBFS */ 345a19609f8Sjv ZONE_REF_MNTFS, /* MNTFS */ 346a19609f8Sjv ZONE_REF_LOFI, /* LOFI devices */ 347a19609f8Sjv ZONE_REF_VFS, /* VFS infrastructure */ 348a19609f8Sjv ZONE_REF_IPC, /* IPC infrastructure */ 349a19609f8Sjv ZONE_REF_NUM_SUBSYS /* This must be the last entry. */ 350a19609f8Sjv } zone_ref_subsys_t; 351a19609f8Sjv 352a19609f8Sjv /* 353a19609f8Sjv * zone_ref represents a general-purpose references to a zone. Each zone's 354a19609f8Sjv * references are linked into the zone's zone_t::zone_ref_list. This allows 355a19609f8Sjv * debuggers to walk zones' references. 356a19609f8Sjv */ 357a19609f8Sjv typedef struct zone_ref { 358a19609f8Sjv struct zone *zref_zone; /* the zone to which the reference refers */ 359a19609f8Sjv list_node_t zref_linkage; /* linkage for zone_t::zone_ref_list */ 360a19609f8Sjv } zone_ref_t; 361a19609f8Sjv 362fa9e4066Sahrens /* 363fa9e4066Sahrens * Structure to record list of ZFS datasets exported to a zone. 364fa9e4066Sahrens */ 365fa9e4066Sahrens typedef struct zone_dataset { 366fa9e4066Sahrens char *zd_dataset; 367fa9e4066Sahrens list_node_t zd_linkage; 368fa9e4066Sahrens } zone_dataset_t; 369fa9e4066Sahrens 3700209230bSgjelinek /* 3710209230bSgjelinek * structure for zone kstats 3720209230bSgjelinek */ 3730209230bSgjelinek typedef struct zone_kstat { 3740209230bSgjelinek kstat_named_t zk_zonename; 3750209230bSgjelinek kstat_named_t zk_usage; 3760209230bSgjelinek kstat_named_t zk_value; 3770209230bSgjelinek } zone_kstat_t; 3780209230bSgjelinek 379c97ad5cdSakolb struct cpucap; 380c97ad5cdSakolb 3817c478bd9Sstevel@tonic-gate typedef struct zone { 3827c478bd9Sstevel@tonic-gate /* 3837c478bd9Sstevel@tonic-gate * zone_name is never modified once set. 3847c478bd9Sstevel@tonic-gate */ 3857c478bd9Sstevel@tonic-gate char *zone_name; /* zone's configuration name */ 3867c478bd9Sstevel@tonic-gate /* 3877c478bd9Sstevel@tonic-gate * zone_nodename and zone_domain are never freed once allocated. 3887c478bd9Sstevel@tonic-gate */ 3897c478bd9Sstevel@tonic-gate char *zone_nodename; /* utsname.nodename equivalent */ 3907c478bd9Sstevel@tonic-gate char *zone_domain; /* srpc_domain equivalent */ 3915679c89fSjv /* 3925679c89fSjv * zone_hostid is used for per-zone hostid emulation. 3935679c89fSjv * Currently it isn't modified after it's set (so no locks protect 3945679c89fSjv * accesses), but that might have to change when we allow 3955679c89fSjv * administrators to change running zones' properties. 3965679c89fSjv * 3975679c89fSjv * The global zone's zone_hostid must always be HW_INVALID_HOSTID so 3985679c89fSjv * that zone_get_hostid() will function correctly. 3995679c89fSjv */ 4005679c89fSjv uint32_t zone_hostid; /* zone's hostid, HW_INVALID_HOSTID */ 4015679c89fSjv /* if not emulated */ 4027c478bd9Sstevel@tonic-gate /* 4037c478bd9Sstevel@tonic-gate * zone_lock protects the following fields of a zone_t: 4047c478bd9Sstevel@tonic-gate * zone_ref 4057c478bd9Sstevel@tonic-gate * zone_cred_ref 406a19609f8Sjv * zone_subsys_ref 407a19609f8Sjv * zone_ref_list 4087c478bd9Sstevel@tonic-gate * zone_ntasks 4097c478bd9Sstevel@tonic-gate * zone_flags 4107c478bd9Sstevel@tonic-gate * zone_zsd 411134a1f4eSCasper H.S. Dik * zone_pfexecd 4127c478bd9Sstevel@tonic-gate */ 4137c478bd9Sstevel@tonic-gate kmutex_t zone_lock; 4147c478bd9Sstevel@tonic-gate /* 4157c478bd9Sstevel@tonic-gate * zone_linkage is the zone's linkage into the active or 4167c478bd9Sstevel@tonic-gate * death-row list. The field is protected by zonehash_lock. 4177c478bd9Sstevel@tonic-gate */ 4187c478bd9Sstevel@tonic-gate list_node_t zone_linkage; 4197c478bd9Sstevel@tonic-gate zoneid_t zone_id; /* ID of zone */ 4207c478bd9Sstevel@tonic-gate uint_t zone_ref; /* count of zone_hold()s on zone */ 4217c478bd9Sstevel@tonic-gate uint_t zone_cred_ref; /* count of zone_hold_cred()s on zone */ 422a19609f8Sjv /* 423a19609f8Sjv * Fixed-sized array of subsystem-specific reference counts 424a19609f8Sjv * The sum of all of the counts must be less than or equal to zone_ref. 425a19609f8Sjv * The array is indexed by the counts' subsystems' zone_ref_subsys_t 426a19609f8Sjv * constants. 427a19609f8Sjv */ 428a19609f8Sjv uint_t zone_subsys_ref[ZONE_REF_NUM_SUBSYS]; 429a19609f8Sjv list_t zone_ref_list; /* list of zone_ref_t structs */ 4307c478bd9Sstevel@tonic-gate /* 4317c478bd9Sstevel@tonic-gate * zone_rootvp and zone_rootpath can never be modified once set. 4327c478bd9Sstevel@tonic-gate */ 4337c478bd9Sstevel@tonic-gate struct vnode *zone_rootvp; /* zone's root vnode */ 4347c478bd9Sstevel@tonic-gate char *zone_rootpath; /* Path to zone's root + '/' */ 4357c478bd9Sstevel@tonic-gate ushort_t zone_flags; /* misc flags */ 4367c478bd9Sstevel@tonic-gate zone_status_t zone_status; /* protected by zone_status_lock */ 4377c478bd9Sstevel@tonic-gate uint_t zone_ntasks; /* number of tasks executing in zone */ 4387c478bd9Sstevel@tonic-gate kmutex_t zone_nlwps_lock; /* protects zone_nlwps, and *_nlwps */ 4397c478bd9Sstevel@tonic-gate /* counters in projects and tasks */ 4407c478bd9Sstevel@tonic-gate /* that are within the zone */ 4417c478bd9Sstevel@tonic-gate rctl_qty_t zone_nlwps; /* number of lwps in zone */ 4427c478bd9Sstevel@tonic-gate rctl_qty_t zone_nlwps_ctl; /* protected by zone_rctls->rcs_lock */ 443824c205fSml rctl_qty_t zone_shmmax; /* System V shared memory usage */ 444824c205fSml ipc_rqty_t zone_ipc; /* System V IPC id resource usage */ 4457c478bd9Sstevel@tonic-gate 4467c478bd9Sstevel@tonic-gate uint_t zone_rootpathlen; /* strlen(zone_rootpath) + 1 */ 4477c478bd9Sstevel@tonic-gate uint32_t zone_shares; /* FSS shares allocated to zone */ 4487c478bd9Sstevel@tonic-gate rctl_set_t *zone_rctls; /* zone-wide (zone.*) rctls */ 4490209230bSgjelinek kmutex_t zone_mem_lock; /* protects zone_locked_mem and */ 450c6939658Ssl /* kpd_locked_mem for all */ 4510209230bSgjelinek /* projects in zone. */ 4520209230bSgjelinek /* Also protects zone_max_swap */ 453c6939658Ssl /* grab after p_lock, before rcs_lock */ 4540209230bSgjelinek rctl_qty_t zone_locked_mem; /* bytes of locked memory in */ 4550209230bSgjelinek /* zone */ 4560209230bSgjelinek rctl_qty_t zone_locked_mem_ctl; /* Current locked memory */ 457c6939658Ssl /* limit. Protected by */ 458c6939658Ssl /* zone_rctls->rcs_lock */ 4590209230bSgjelinek rctl_qty_t zone_max_swap; /* bytes of swap reserved by zone */ 4600209230bSgjelinek rctl_qty_t zone_max_swap_ctl; /* current swap limit. */ 4610209230bSgjelinek /* Protected by */ 4620209230bSgjelinek /* zone_rctls->rcs_lock */ 4630fbb751dSJohn Levon kmutex_t zone_rctl_lock; /* protects zone_max_lofi */ 4640fbb751dSJohn Levon rctl_qty_t zone_max_lofi; /* lofi devs for zone */ 4650fbb751dSJohn Levon rctl_qty_t zone_max_lofi_ctl; /* current lofi limit. */ 4660fbb751dSJohn Levon /* Protected by */ 4670fbb751dSJohn Levon /* zone_rctls->rcs_lock */ 4687c478bd9Sstevel@tonic-gate list_t zone_zsd; /* list of Zone-Specific Data values */ 4697c478bd9Sstevel@tonic-gate kcondvar_t zone_cv; /* used to signal state changes */ 4707c478bd9Sstevel@tonic-gate struct proc *zone_zsched; /* Dummy kernel "zsched" process */ 4717c478bd9Sstevel@tonic-gate pid_t zone_proc_initpid; /* pid of "init" for this zone */ 4723f2f09c1Sdp char *zone_initname; /* fs path to 'init' */ 4737c478bd9Sstevel@tonic-gate int zone_boot_err; /* for zone_boot() if boot fails */ 4747c478bd9Sstevel@tonic-gate char *zone_bootargs; /* arguments passed via zone_boot() */ 4750209230bSgjelinek uint64_t zone_phys_mcap; /* physical memory cap */ 4767c478bd9Sstevel@tonic-gate /* 4777c478bd9Sstevel@tonic-gate * zone_kthreads is protected by zone_status_lock. 4787c478bd9Sstevel@tonic-gate */ 4797c478bd9Sstevel@tonic-gate kthread_t *zone_kthreads; /* kernel threads in zone */ 4807c478bd9Sstevel@tonic-gate struct priv_set *zone_privset; /* limit set for zone */ 4817c478bd9Sstevel@tonic-gate /* 4827c478bd9Sstevel@tonic-gate * zone_vfslist is protected by vfs_list_lock(). 4837c478bd9Sstevel@tonic-gate */ 4847c478bd9Sstevel@tonic-gate struct vfs *zone_vfslist; /* list of FS's mounted in zone */ 4857c478bd9Sstevel@tonic-gate uint64_t zone_uniqid; /* unique zone generation number */ 4867c478bd9Sstevel@tonic-gate struct cred *zone_kcred; /* kcred-like, zone-limited cred */ 4877c478bd9Sstevel@tonic-gate /* 4887c478bd9Sstevel@tonic-gate * zone_pool is protected by pool_lock(). 4897c478bd9Sstevel@tonic-gate */ 4907c478bd9Sstevel@tonic-gate struct pool *zone_pool; /* pool the zone is bound to */ 4917c478bd9Sstevel@tonic-gate hrtime_t zone_pool_mod; /* last pool bind modification time */ 4927c478bd9Sstevel@tonic-gate /* zone_psetid is protected by cpu_lock */ 4937c478bd9Sstevel@tonic-gate psetid_t zone_psetid; /* pset the zone is bound to */ 49486ad481cSJerry Jelinek 49586ad481cSJerry Jelinek time_t zone_boot_time; /* Similar to boot_time */ 49686ad481cSJerry Jelinek 4977c478bd9Sstevel@tonic-gate /* 4987c478bd9Sstevel@tonic-gate * The following two can be read without holding any locks. They are 4997c478bd9Sstevel@tonic-gate * updated under cpu_lock. 5007c478bd9Sstevel@tonic-gate */ 5017c478bd9Sstevel@tonic-gate int zone_ncpus; /* zone's idea of ncpus */ 5027c478bd9Sstevel@tonic-gate int zone_ncpus_online; /* zone's idea of ncpus_online */ 503fa9e4066Sahrens /* 504fa9e4066Sahrens * List of ZFS datasets exported to this zone. 505fa9e4066Sahrens */ 506fa9e4066Sahrens list_t zone_datasets; /* list of datasets */ 50745916cd2Sjpk 50842bc57c4Srica ts_label_t *zone_slabel; /* zone sensitivity label */ 50942bc57c4Srica int zone_match; /* require label match for packets */ 51045916cd2Sjpk tsol_mlp_list_t zone_mlps; /* MLPs on zone-private addresses */ 5113f2f09c1Sdp 5129acbbeafSnn boolean_t zone_restart_init; /* Restart init if it dies? */ 5139acbbeafSnn struct brand *zone_brand; /* zone's brand */ 514319378d9Seh void *zone_brand_data; /* store brand specific data */ 5150209230bSgjelinek id_t zone_defaultcid; /* dflt scheduling class id */ 5160209230bSgjelinek kstat_t *zone_swapresv_kstat; 5170209230bSgjelinek kstat_t *zone_lockedmem_kstat; 518f4b3ec61Sdh /* 519f4b3ec61Sdh * zone_dl_list is protected by zone_lock 520f4b3ec61Sdh */ 5212b24ab6bSSebastien Roy list_t zone_dl_list; 522f4b3ec61Sdh netstack_t *zone_netstack; 523c97ad5cdSakolb struct cpucap *zone_cpucap; /* CPU caps data */ 5249e9e6ab8Spaulson /* 5259e9e6ab8Spaulson * Solaris Auditing per-zone audit context 5269e9e6ab8Spaulson */ 5279e9e6ab8Spaulson struct au_kcontext *zone_audit_kctxt; 528835ee219SRobert Harris /* 529835ee219SRobert Harris * For private use by mntfs. 530835ee219SRobert Harris */ 531835ee219SRobert Harris struct mntelem *zone_mntfs_db; 532835ee219SRobert Harris krwlock_t zone_mntfs_db_lock; 533134a1f4eSCasper H.S. Dik 534134a1f4eSCasper H.S. Dik struct klpd_reg *zone_pfexecd; 5350fbb751dSJohn Levon 5360fbb751dSJohn Levon char *zone_fs_allowed; 537ff19e029SMenno Lageman rctl_qty_t zone_nprocs; /* number of processes in the zone */ 538ff19e029SMenno Lageman rctl_qty_t zone_nprocs_ctl; /* current limit protected by */ 539ff19e029SMenno Lageman /* zone_rctls->rcs_lock */ 540ff19e029SMenno Lageman kstat_t *zone_nprocs_kstat; 541*b0f673c4SBryan Cantrill 542*b0f673c4SBryan Cantrill /* 543*b0f673c4SBryan Cantrill * DTrace-private per-zone state 544*b0f673c4SBryan Cantrill */ 545*b0f673c4SBryan Cantrill int zone_dtrace_getf; /* # of unprivileged getf()s */ 5467c478bd9Sstevel@tonic-gate } zone_t; 5477c478bd9Sstevel@tonic-gate 5487c478bd9Sstevel@tonic-gate /* 5497c478bd9Sstevel@tonic-gate * Special value of zone_psetid to indicate that pools are disabled. 5507c478bd9Sstevel@tonic-gate */ 5517c478bd9Sstevel@tonic-gate #define ZONE_PS_INVAL PS_MYID 5527c478bd9Sstevel@tonic-gate 553f4b3ec61Sdh 5547c478bd9Sstevel@tonic-gate extern zone_t zone0; 5557c478bd9Sstevel@tonic-gate extern zone_t *global_zone; 5567c478bd9Sstevel@tonic-gate extern uint_t maxzones; 5577c478bd9Sstevel@tonic-gate extern rctl_hndl_t rc_zone_nlwps; 558ff19e029SMenno Lageman extern rctl_hndl_t rc_zone_nprocs; 5597c478bd9Sstevel@tonic-gate 560fa9e4066Sahrens extern long zone(int, void *, void *, void *, void *); 5617c478bd9Sstevel@tonic-gate extern void zone_zsd_init(void); 5627c478bd9Sstevel@tonic-gate extern void zone_init(void); 5637c478bd9Sstevel@tonic-gate extern void zone_hold(zone_t *); 5647c478bd9Sstevel@tonic-gate extern void zone_rele(zone_t *); 565a19609f8Sjv extern void zone_init_ref(zone_ref_t *); 566a19609f8Sjv extern void zone_hold_ref(zone_t *, zone_ref_t *, zone_ref_subsys_t); 567a19609f8Sjv extern void zone_rele_ref(zone_ref_t *, zone_ref_subsys_t); 5687c478bd9Sstevel@tonic-gate extern void zone_cred_hold(zone_t *); 5697c478bd9Sstevel@tonic-gate extern void zone_cred_rele(zone_t *); 5707c478bd9Sstevel@tonic-gate extern void zone_task_hold(zone_t *); 5717c478bd9Sstevel@tonic-gate extern void zone_task_rele(zone_t *); 5727c478bd9Sstevel@tonic-gate extern zone_t *zone_find_by_id(zoneid_t); 57345916cd2Sjpk extern zone_t *zone_find_by_label(const ts_label_t *); 5747c478bd9Sstevel@tonic-gate extern zone_t *zone_find_by_name(char *); 57545916cd2Sjpk extern zone_t *zone_find_by_any_path(const char *, boolean_t); 57648451833Scarlsonj extern zone_t *zone_find_by_path(const char *); 5777c478bd9Sstevel@tonic-gate extern zoneid_t getzoneid(void); 578f4b3ec61Sdh extern zone_t *zone_find_by_id_nolock(zoneid_t); 5792b24ab6bSSebastien Roy extern int zone_datalink_walk(zoneid_t, int (*)(datalink_id_t, void *), void *); 5802b24ab6bSSebastien Roy extern int zone_check_datalink(zoneid_t *, datalink_id_t); 5817c478bd9Sstevel@tonic-gate 5827c478bd9Sstevel@tonic-gate /* 5837c478bd9Sstevel@tonic-gate * Zone-specific data (ZSD) APIs 5847c478bd9Sstevel@tonic-gate */ 5857c478bd9Sstevel@tonic-gate /* 5867c478bd9Sstevel@tonic-gate * The following is what code should be initializing its zone_key_t to if it 5877c478bd9Sstevel@tonic-gate * calls zone_getspecific() without necessarily knowing that zone_key_create() 5887c478bd9Sstevel@tonic-gate * has been called on the key. 5897c478bd9Sstevel@tonic-gate */ 5907c478bd9Sstevel@tonic-gate #define ZONE_KEY_UNINITIALIZED 0 5917c478bd9Sstevel@tonic-gate 5927c478bd9Sstevel@tonic-gate typedef uint_t zone_key_t; 5937c478bd9Sstevel@tonic-gate 5947c478bd9Sstevel@tonic-gate extern void zone_key_create(zone_key_t *, void *(*)(zoneid_t), 5957c478bd9Sstevel@tonic-gate void (*)(zoneid_t, void *), void (*)(zoneid_t, void *)); 5967c478bd9Sstevel@tonic-gate extern int zone_key_delete(zone_key_t); 5977c478bd9Sstevel@tonic-gate extern void *zone_getspecific(zone_key_t, zone_t *); 5987c478bd9Sstevel@tonic-gate extern int zone_setspecific(zone_key_t, zone_t *, const void *); 5997c478bd9Sstevel@tonic-gate 6007c478bd9Sstevel@tonic-gate /* 6017c478bd9Sstevel@tonic-gate * The definition of a zsd_entry is truly private to zone.c and is only 6027c478bd9Sstevel@tonic-gate * placed here so it can be shared with mdb. 603bd41d0a8Snordmark * 604bd41d0a8Snordmark * State maintained for each zone times each registered key, which tracks 605bd41d0a8Snordmark * the state of the create, shutdown and destroy callbacks. 606bd41d0a8Snordmark * 607bd41d0a8Snordmark * zsd_flags is used to keep track of pending actions to avoid holding locks 608bd41d0a8Snordmark * when calling the create/shutdown/destroy callbacks, since doing so 609bd41d0a8Snordmark * could lead to deadlocks. 6107c478bd9Sstevel@tonic-gate */ 6117c478bd9Sstevel@tonic-gate struct zsd_entry { 6127c478bd9Sstevel@tonic-gate zone_key_t zsd_key; /* Key used to lookup value */ 6137c478bd9Sstevel@tonic-gate void *zsd_data; /* Caller-managed value */ 6147c478bd9Sstevel@tonic-gate /* 6157c478bd9Sstevel@tonic-gate * Callbacks to be executed when a zone is created, shutdown, and 6167c478bd9Sstevel@tonic-gate * destroyed, respectively. 6177c478bd9Sstevel@tonic-gate */ 6187c478bd9Sstevel@tonic-gate void *(*zsd_create)(zoneid_t); 6197c478bd9Sstevel@tonic-gate void (*zsd_shutdown)(zoneid_t, void *); 6207c478bd9Sstevel@tonic-gate void (*zsd_destroy)(zoneid_t, void *); 6217c478bd9Sstevel@tonic-gate list_node_t zsd_linkage; 622bd41d0a8Snordmark uint16_t zsd_flags; /* See below */ 623bd41d0a8Snordmark kcondvar_t zsd_cv; 6247c478bd9Sstevel@tonic-gate }; 6257c478bd9Sstevel@tonic-gate 626bd41d0a8Snordmark /* 627bd41d0a8Snordmark * zsd_flags 628bd41d0a8Snordmark */ 629bd41d0a8Snordmark #define ZSD_CREATE_NEEDED 0x0001 630bd41d0a8Snordmark #define ZSD_CREATE_INPROGRESS 0x0002 631bd41d0a8Snordmark #define ZSD_CREATE_COMPLETED 0x0004 632bd41d0a8Snordmark #define ZSD_SHUTDOWN_NEEDED 0x0010 633bd41d0a8Snordmark #define ZSD_SHUTDOWN_INPROGRESS 0x0020 634bd41d0a8Snordmark #define ZSD_SHUTDOWN_COMPLETED 0x0040 635bd41d0a8Snordmark #define ZSD_DESTROY_NEEDED 0x0100 636bd41d0a8Snordmark #define ZSD_DESTROY_INPROGRESS 0x0200 637bd41d0a8Snordmark #define ZSD_DESTROY_COMPLETED 0x0400 638bd41d0a8Snordmark 639bd41d0a8Snordmark #define ZSD_CREATE_ALL \ 640bd41d0a8Snordmark (ZSD_CREATE_NEEDED|ZSD_CREATE_INPROGRESS|ZSD_CREATE_COMPLETED) 641bd41d0a8Snordmark #define ZSD_SHUTDOWN_ALL \ 642bd41d0a8Snordmark (ZSD_SHUTDOWN_NEEDED|ZSD_SHUTDOWN_INPROGRESS|ZSD_SHUTDOWN_COMPLETED) 643bd41d0a8Snordmark #define ZSD_DESTROY_ALL \ 644bd41d0a8Snordmark (ZSD_DESTROY_NEEDED|ZSD_DESTROY_INPROGRESS|ZSD_DESTROY_COMPLETED) 645bd41d0a8Snordmark 646bd41d0a8Snordmark #define ZSD_ALL_INPROGRESS \ 647bd41d0a8Snordmark (ZSD_CREATE_INPROGRESS|ZSD_SHUTDOWN_INPROGRESS|ZSD_DESTROY_INPROGRESS) 648bd41d0a8Snordmark 6497c478bd9Sstevel@tonic-gate /* 6507c478bd9Sstevel@tonic-gate * Macros to help with zone visibility restrictions. 6517c478bd9Sstevel@tonic-gate */ 6527c478bd9Sstevel@tonic-gate 6537c478bd9Sstevel@tonic-gate /* 6547c478bd9Sstevel@tonic-gate * Is process in the global zone? 6557c478bd9Sstevel@tonic-gate */ 6567c478bd9Sstevel@tonic-gate #define INGLOBALZONE(p) \ 6577c478bd9Sstevel@tonic-gate ((p)->p_zone == global_zone) 6587c478bd9Sstevel@tonic-gate 6597c478bd9Sstevel@tonic-gate /* 6607c478bd9Sstevel@tonic-gate * Can process view objects in given zone? 6617c478bd9Sstevel@tonic-gate */ 6627c478bd9Sstevel@tonic-gate #define HASZONEACCESS(p, zoneid) \ 6637c478bd9Sstevel@tonic-gate ((p)->p_zone->zone_id == (zoneid) || INGLOBALZONE(p)) 6647c478bd9Sstevel@tonic-gate 6657c478bd9Sstevel@tonic-gate /* 6667c478bd9Sstevel@tonic-gate * Convenience macro to see if a resolved path is visible from within a 6677c478bd9Sstevel@tonic-gate * given zone. 6687c478bd9Sstevel@tonic-gate * 6697c478bd9Sstevel@tonic-gate * The basic idea is that the first (zone_rootpathlen - 1) bytes of the 6707c478bd9Sstevel@tonic-gate * two strings must be equal. Since the rootpathlen has a trailing '/', 6717c478bd9Sstevel@tonic-gate * we want to skip everything in the path up to (but not including) the 6727c478bd9Sstevel@tonic-gate * trailing '/'. 6737c478bd9Sstevel@tonic-gate */ 6747c478bd9Sstevel@tonic-gate #define ZONE_PATH_VISIBLE(path, zone) \ 6757c478bd9Sstevel@tonic-gate (strncmp((path), (zone)->zone_rootpath, \ 6767c478bd9Sstevel@tonic-gate (zone)->zone_rootpathlen - 1) == 0) 6777c478bd9Sstevel@tonic-gate 6787c478bd9Sstevel@tonic-gate /* 6797c478bd9Sstevel@tonic-gate * Convenience macro to go from the global view of a path to that seen 6807c478bd9Sstevel@tonic-gate * from within said zone. It is the responsibility of the caller to 6817c478bd9Sstevel@tonic-gate * ensure that the path is a resolved one (ie, no '..'s or '.'s), and is 6827c478bd9Sstevel@tonic-gate * in fact visible from within the zone. 6837c478bd9Sstevel@tonic-gate */ 6847c478bd9Sstevel@tonic-gate #define ZONE_PATH_TRANSLATE(path, zone) \ 6857c478bd9Sstevel@tonic-gate (ASSERT(ZONE_PATH_VISIBLE(path, zone)), \ 6867c478bd9Sstevel@tonic-gate (path) + (zone)->zone_rootpathlen - 2) 6877c478bd9Sstevel@tonic-gate 6887c478bd9Sstevel@tonic-gate /* 6897c478bd9Sstevel@tonic-gate * Special processes visible in all zones. 6907c478bd9Sstevel@tonic-gate */ 6917c478bd9Sstevel@tonic-gate #define ZONE_SPECIALPID(x) ((x) == 0 || (x) == 1) 6927c478bd9Sstevel@tonic-gate 6937c478bd9Sstevel@tonic-gate /* 6947c478bd9Sstevel@tonic-gate * Zone-safe version of thread_create() to be used when the caller wants to 6957c478bd9Sstevel@tonic-gate * create a kernel thread to run within the current zone's context. 6967c478bd9Sstevel@tonic-gate */ 6977c478bd9Sstevel@tonic-gate extern kthread_t *zthread_create(caddr_t, size_t, void (*)(), void *, size_t, 6987c478bd9Sstevel@tonic-gate pri_t); 6997c478bd9Sstevel@tonic-gate extern void zthread_exit(void); 7007c478bd9Sstevel@tonic-gate 7017c478bd9Sstevel@tonic-gate /* 7027c478bd9Sstevel@tonic-gate * Functions for an external observer to register interest in a zone's status 7037c478bd9Sstevel@tonic-gate * change. Observers will be woken up when the zone status equals the status 7047c478bd9Sstevel@tonic-gate * argument passed in (in the case of zone_status_timedwait, the function may 7057c478bd9Sstevel@tonic-gate * also return because of a timeout; zone_status_wait_sig may return early due 7067c478bd9Sstevel@tonic-gate * to a signal being delivered; zone_status_timedwait_sig may return for any of 7077c478bd9Sstevel@tonic-gate * the above reasons). 7087c478bd9Sstevel@tonic-gate * 7097c478bd9Sstevel@tonic-gate * Otherwise these behave identically to cv_timedwait(), cv_wait(), and 7107c478bd9Sstevel@tonic-gate * cv_wait_sig() respectively. 7117c478bd9Sstevel@tonic-gate */ 7127c478bd9Sstevel@tonic-gate extern clock_t zone_status_timedwait(zone_t *, clock_t, zone_status_t); 7137c478bd9Sstevel@tonic-gate extern clock_t zone_status_timedwait_sig(zone_t *, clock_t, zone_status_t); 7147c478bd9Sstevel@tonic-gate extern void zone_status_wait(zone_t *, zone_status_t); 7157c478bd9Sstevel@tonic-gate extern int zone_status_wait_sig(zone_t *, zone_status_t); 7167c478bd9Sstevel@tonic-gate 7177c478bd9Sstevel@tonic-gate /* 7187c478bd9Sstevel@tonic-gate * Get the status of the zone (at the time it was called). The state may 7197c478bd9Sstevel@tonic-gate * have progressed by the time it is returned. 7207c478bd9Sstevel@tonic-gate */ 7217c478bd9Sstevel@tonic-gate extern zone_status_t zone_status_get(zone_t *); 7227c478bd9Sstevel@tonic-gate 7235679c89fSjv /* 7245679c89fSjv * Safely get the hostid of the specified zone (defaults to machine's hostid 7255679c89fSjv * if the specified zone doesn't emulate a hostid). Passing NULL retrieves 7265679c89fSjv * the global zone's (i.e., physical system's) hostid. 7275679c89fSjv */ 7285679c89fSjv extern uint32_t zone_get_hostid(zone_t *); 7295679c89fSjv 7307c478bd9Sstevel@tonic-gate /* 7317c478bd9Sstevel@tonic-gate * Get the "kcred" credentials corresponding to the given zone. 7327c478bd9Sstevel@tonic-gate */ 7337c478bd9Sstevel@tonic-gate extern struct cred *zone_get_kcred(zoneid_t); 7347c478bd9Sstevel@tonic-gate 7357c478bd9Sstevel@tonic-gate /* 7367c478bd9Sstevel@tonic-gate * Get/set the pool the zone is currently bound to. 7377c478bd9Sstevel@tonic-gate */ 7387c478bd9Sstevel@tonic-gate extern struct pool *zone_pool_get(zone_t *); 7397c478bd9Sstevel@tonic-gate extern void zone_pool_set(zone_t *, struct pool *); 7407c478bd9Sstevel@tonic-gate 7417c478bd9Sstevel@tonic-gate /* 7427c478bd9Sstevel@tonic-gate * Get/set the pset the zone is currently using. 7437c478bd9Sstevel@tonic-gate */ 7447c478bd9Sstevel@tonic-gate extern psetid_t zone_pset_get(zone_t *); 7457c478bd9Sstevel@tonic-gate extern void zone_pset_set(zone_t *, psetid_t); 7467c478bd9Sstevel@tonic-gate 7477c478bd9Sstevel@tonic-gate /* 7487c478bd9Sstevel@tonic-gate * Get the number of cpus/online-cpus visible from the given zone. 7497c478bd9Sstevel@tonic-gate */ 7507c478bd9Sstevel@tonic-gate extern int zone_ncpus_get(zone_t *); 7517c478bd9Sstevel@tonic-gate extern int zone_ncpus_online_get(zone_t *); 7527c478bd9Sstevel@tonic-gate 753fa9e4066Sahrens /* 754fa9e4066Sahrens * Returns true if the named pool/dataset is visible in the current zone. 755fa9e4066Sahrens */ 756fa9e4066Sahrens extern int zone_dataset_visible(const char *, int *); 757fa9e4066Sahrens 7587c478bd9Sstevel@tonic-gate /* 7593f2f09c1Sdp * zone version of kadmin() 7607c478bd9Sstevel@tonic-gate */ 7613f2f09c1Sdp extern int zone_kadmin(int, int, const char *, cred_t *); 7627c478bd9Sstevel@tonic-gate extern void zone_shutdown_global(void); 7637c478bd9Sstevel@tonic-gate 7647c478bd9Sstevel@tonic-gate extern void mount_in_progress(void); 7657c478bd9Sstevel@tonic-gate extern void mount_completed(void); 7667c478bd9Sstevel@tonic-gate 7677c478bd9Sstevel@tonic-gate extern int zone_walk(int (*)(zone_t *, void *), void *); 7687c478bd9Sstevel@tonic-gate 769c6939658Ssl extern rctl_hndl_t rc_zone_locked_mem; 7700209230bSgjelinek extern rctl_hndl_t rc_zone_max_swap; 7710fbb751dSJohn Levon extern rctl_hndl_t rc_zone_max_lofi; 772c6939658Ssl 7737c478bd9Sstevel@tonic-gate #endif /* _KERNEL */ 7747c478bd9Sstevel@tonic-gate 7757c478bd9Sstevel@tonic-gate #ifdef __cplusplus 7767c478bd9Sstevel@tonic-gate } 7777c478bd9Sstevel@tonic-gate #endif 7787c478bd9Sstevel@tonic-gate 7797c478bd9Sstevel@tonic-gate #endif /* _SYS_ZONE_H */ 780