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. 246481fd49SIgor Kozhukhov * Copyright 2014 Igor Kozhukhov <ikozhukhov@gmail.com>. 257c478bd9Sstevel@tonic-gate */ 267c478bd9Sstevel@tonic-gate 277c478bd9Sstevel@tonic-gate #ifndef _SYS_ZONE_H 287c478bd9Sstevel@tonic-gate #define _SYS_ZONE_H 297c478bd9Sstevel@tonic-gate 307c478bd9Sstevel@tonic-gate #include <sys/types.h> 317c478bd9Sstevel@tonic-gate #include <sys/mutex.h> 327c478bd9Sstevel@tonic-gate #include <sys/param.h> 337c478bd9Sstevel@tonic-gate #include <sys/rctl.h> 34824c205fSml #include <sys/ipc_rctl.h> 357c478bd9Sstevel@tonic-gate #include <sys/pset.h> 3645916cd2Sjpk #include <sys/tsol/label.h> 37f4b3ec61Sdh #include <sys/cred.h> 38f4b3ec61Sdh #include <sys/netstack.h> 393f2f09c1Sdp #include <sys/uadmin.h> 40835ee219SRobert Harris #include <sys/ksynch.h> 41550b6e40SSowmini Varadhan #include <sys/socket_impl.h> 42550b6e40SSowmini Varadhan #include <netinet/in.h> 437c478bd9Sstevel@tonic-gate 447c478bd9Sstevel@tonic-gate #ifdef __cplusplus 457c478bd9Sstevel@tonic-gate extern "C" { 467c478bd9Sstevel@tonic-gate #endif 477c478bd9Sstevel@tonic-gate 487c478bd9Sstevel@tonic-gate /* 497c478bd9Sstevel@tonic-gate * NOTE 507c478bd9Sstevel@tonic-gate * 517c478bd9Sstevel@tonic-gate * The contents of this file are private to the implementation of 527c478bd9Sstevel@tonic-gate * Solaris and are subject to change at any time without notice. 537c478bd9Sstevel@tonic-gate * Applications and drivers using these interfaces may fail to 547c478bd9Sstevel@tonic-gate * run on future releases. 557c478bd9Sstevel@tonic-gate */ 567c478bd9Sstevel@tonic-gate 577c478bd9Sstevel@tonic-gate /* Available both in kernel and for user space */ 587c478bd9Sstevel@tonic-gate 597c478bd9Sstevel@tonic-gate /* zone id restrictions and special ids */ 607c478bd9Sstevel@tonic-gate #define MAX_ZONEID 9999 617c478bd9Sstevel@tonic-gate #define MIN_USERZONEID 1 /* lowest user-creatable zone ID */ 627c478bd9Sstevel@tonic-gate #define MIN_ZONEID 0 /* minimum zone ID on system */ 637c478bd9Sstevel@tonic-gate #define GLOBAL_ZONEID 0 647c478bd9Sstevel@tonic-gate #define ZONEID_WIDTH 4 /* for printf */ 657c478bd9Sstevel@tonic-gate 6645916cd2Sjpk /* 6745916cd2Sjpk * Special zoneid_t token to refer to all zones. 6845916cd2Sjpk */ 6945916cd2Sjpk #define ALL_ZONES (-1) 7045916cd2Sjpk 717c478bd9Sstevel@tonic-gate /* system call subcodes */ 72f4b3ec61Sdh #define ZONE_CREATE 0 73f4b3ec61Sdh #define ZONE_DESTROY 1 74f4b3ec61Sdh #define ZONE_GETATTR 2 75f4b3ec61Sdh #define ZONE_ENTER 3 76f4b3ec61Sdh #define ZONE_LIST 4 77f4b3ec61Sdh #define ZONE_SHUTDOWN 5 78f4b3ec61Sdh #define ZONE_LOOKUP 6 79f4b3ec61Sdh #define ZONE_BOOT 7 80f4b3ec61Sdh #define ZONE_VERSION 8 81f4b3ec61Sdh #define ZONE_SETATTR 9 82f4b3ec61Sdh #define ZONE_ADD_DATALINK 10 83f4b3ec61Sdh #define ZONE_DEL_DATALINK 11 84f4b3ec61Sdh #define ZONE_CHECK_DATALINK 12 85f4b3ec61Sdh #define ZONE_LIST_DATALINK 13 867c478bd9Sstevel@tonic-gate 877c478bd9Sstevel@tonic-gate /* zone attributes */ 887c478bd9Sstevel@tonic-gate #define ZONE_ATTR_ROOT 1 897c478bd9Sstevel@tonic-gate #define ZONE_ATTR_NAME 2 907c478bd9Sstevel@tonic-gate #define ZONE_ATTR_STATUS 3 917c478bd9Sstevel@tonic-gate #define ZONE_ATTR_PRIVSET 4 927c478bd9Sstevel@tonic-gate #define ZONE_ATTR_UNIQID 5 937c478bd9Sstevel@tonic-gate #define ZONE_ATTR_POOLID 6 947c478bd9Sstevel@tonic-gate #define ZONE_ATTR_INITPID 7 9545916cd2Sjpk #define ZONE_ATTR_SLBL 8 963f2f09c1Sdp #define ZONE_ATTR_INITNAME 9 973f2f09c1Sdp #define ZONE_ATTR_BOOTARGS 10 989acbbeafSnn #define ZONE_ATTR_BRAND 11 990209230bSgjelinek #define ZONE_ATTR_PHYS_MCAP 12 1000209230bSgjelinek #define ZONE_ATTR_SCHED_CLASS 13 101f4b3ec61Sdh #define ZONE_ATTR_FLAGS 14 1025679c89fSjv #define ZONE_ATTR_HOSTID 15 1030fbb751dSJohn Levon #define ZONE_ATTR_FS_ALLOWED 16 104550b6e40SSowmini Varadhan #define ZONE_ATTR_NETWORK 17 1059acbbeafSnn 1069acbbeafSnn /* Start of the brand-specific attribute namespace */ 1079acbbeafSnn #define ZONE_ATTR_BRAND_ATTRS 32768 1087c478bd9Sstevel@tonic-gate 1090fbb751dSJohn Levon #define ZONE_FS_ALLOWED_MAX 1024 1100fbb751dSJohn Levon 111cf8f45c7Sdstaff #define ZONE_EVENT_CHANNEL "com.sun:zones:status" 112cf8f45c7Sdstaff #define ZONE_EVENT_STATUS_CLASS "status" 113cf8f45c7Sdstaff #define ZONE_EVENT_STATUS_SUBCLASS "change" 114cf8f45c7Sdstaff 115cf8f45c7Sdstaff #define ZONE_EVENT_UNINITIALIZED "uninitialized" 116bd41d0a8Snordmark #define ZONE_EVENT_INITIALIZED "initialized" 117cf8f45c7Sdstaff #define ZONE_EVENT_READY "ready" 118cf8f45c7Sdstaff #define ZONE_EVENT_RUNNING "running" 119cf8f45c7Sdstaff #define ZONE_EVENT_SHUTTING_DOWN "shutting_down" 120cf8f45c7Sdstaff 121cf8f45c7Sdstaff #define ZONE_CB_NAME "zonename" 122cf8f45c7Sdstaff #define ZONE_CB_NEWSTATE "newstate" 123cf8f45c7Sdstaff #define ZONE_CB_OLDSTATE "oldstate" 124cf8f45c7Sdstaff #define ZONE_CB_TIMESTAMP "when" 125cf8f45c7Sdstaff #define ZONE_CB_ZONEID "zoneid" 126cf8f45c7Sdstaff 1279acbbeafSnn /* 1289acbbeafSnn * Exit values that may be returned by scripts or programs invoked by various 1299acbbeafSnn * zone commands. 1309acbbeafSnn * 1319acbbeafSnn * These are defined as: 1329acbbeafSnn * 1339acbbeafSnn * ZONE_SUBPROC_OK 1349acbbeafSnn * =============== 1359acbbeafSnn * The subprocess completed successfully. 1369acbbeafSnn * 1379acbbeafSnn * ZONE_SUBPROC_USAGE 1389acbbeafSnn * ================== 1399acbbeafSnn * The subprocess failed with a usage message, or a usage message should 1409acbbeafSnn * be output in its behalf. 1419acbbeafSnn * 1429acbbeafSnn * ZONE_SUBPROC_NOTCOMPLETE 1439acbbeafSnn * ======================== 1449acbbeafSnn * The subprocess did not complete, but the actions performed by the 1459acbbeafSnn * subprocess require no recovery actions by the user. 1469acbbeafSnn * 1479acbbeafSnn * For example, if the subprocess were called by "zoneadm install," the 1489acbbeafSnn * installation of the zone did not succeed but the user need not perform 1499acbbeafSnn * a "zoneadm uninstall" before attempting another install. 1509acbbeafSnn * 1519acbbeafSnn * ZONE_SUBPROC_FATAL 1529acbbeafSnn * ================== 1539acbbeafSnn * The subprocess failed in a fatal manner, usually one that will require 1549acbbeafSnn * some type of recovery action by the user. 1559acbbeafSnn * 1569acbbeafSnn * For example, if the subprocess were called by "zoneadm install," the 1579acbbeafSnn * installation of the zone did not succeed and the user will need to 1589acbbeafSnn * perform a "zoneadm uninstall" before another install attempt is 1599acbbeafSnn * possible. 1609acbbeafSnn * 1619acbbeafSnn * The non-success exit values are large to avoid accidental collision 1629acbbeafSnn * with values used internally by some commands (e.g. "Z_ERR" and 1639acbbeafSnn * "Z_USAGE" as used by zoneadm.) 1649acbbeafSnn */ 1659acbbeafSnn #define ZONE_SUBPROC_OK 0 1669acbbeafSnn #define ZONE_SUBPROC_USAGE 253 1679acbbeafSnn #define ZONE_SUBPROC_NOTCOMPLETE 254 1689acbbeafSnn #define ZONE_SUBPROC_FATAL 255 1699acbbeafSnn 1707c478bd9Sstevel@tonic-gate #ifdef _SYSCALL32 1717c478bd9Sstevel@tonic-gate typedef struct { 1727c478bd9Sstevel@tonic-gate caddr32_t zone_name; 1737c478bd9Sstevel@tonic-gate caddr32_t zone_root; 1747c478bd9Sstevel@tonic-gate caddr32_t zone_privs; 175821c4a97Sdp size32_t zone_privssz; 1767c478bd9Sstevel@tonic-gate caddr32_t rctlbuf; 1777c478bd9Sstevel@tonic-gate size32_t rctlbufsz; 1787c478bd9Sstevel@tonic-gate caddr32_t extended_error; 179fa9e4066Sahrens caddr32_t zfsbuf; 180fa9e4066Sahrens size32_t zfsbufsz; 18142bc57c4Srica int match; /* match level */ 18242bc57c4Srica uint32_t doi; /* DOI for label */ 18342bc57c4Srica caddr32_t label; /* label associated with zone */ 184f4b3ec61Sdh int flags; 1857c478bd9Sstevel@tonic-gate } zone_def32; 1867c478bd9Sstevel@tonic-gate #endif 1877c478bd9Sstevel@tonic-gate typedef struct { 1887c478bd9Sstevel@tonic-gate const char *zone_name; 1897c478bd9Sstevel@tonic-gate const char *zone_root; 1907c478bd9Sstevel@tonic-gate const struct priv_set *zone_privs; 191821c4a97Sdp size_t zone_privssz; 1927c478bd9Sstevel@tonic-gate const char *rctlbuf; 1937c478bd9Sstevel@tonic-gate size_t rctlbufsz; 1947c478bd9Sstevel@tonic-gate int *extended_error; 195fa9e4066Sahrens const char *zfsbuf; 196fa9e4066Sahrens size_t zfsbufsz; 19745916cd2Sjpk int match; /* match level */ 19842bc57c4Srica uint32_t doi; /* DOI for label */ 19945916cd2Sjpk const bslabel_t *label; /* label associated with zone */ 200f4b3ec61Sdh int flags; 2017c478bd9Sstevel@tonic-gate } zone_def; 2027c478bd9Sstevel@tonic-gate 2037c478bd9Sstevel@tonic-gate /* extended error information */ 2047c478bd9Sstevel@tonic-gate #define ZE_UNKNOWN 0 /* No extended error info */ 2057c478bd9Sstevel@tonic-gate #define ZE_CHROOTED 1 /* tried to zone_create from chroot */ 2067c478bd9Sstevel@tonic-gate #define ZE_AREMOUNTS 2 /* there are mounts within the zone */ 2078c55461bSton #define ZE_LABELINUSE 3 /* label is already in use by some other zone */ 2087c478bd9Sstevel@tonic-gate 209a19609f8Sjv /* 210a19609f8Sjv * zone_status values 211a19609f8Sjv * 212a19609f8Sjv * You must modify zone_status_names in mdb(1M)'s genunix module 213a19609f8Sjv * (genunix/zone.c) when you modify this enum. 214a19609f8Sjv */ 2157c478bd9Sstevel@tonic-gate typedef enum { 2167c478bd9Sstevel@tonic-gate ZONE_IS_UNINITIALIZED = 0, 217bd41d0a8Snordmark ZONE_IS_INITIALIZED, 2187c478bd9Sstevel@tonic-gate ZONE_IS_READY, 2197c478bd9Sstevel@tonic-gate ZONE_IS_BOOTING, 2207c478bd9Sstevel@tonic-gate ZONE_IS_RUNNING, 2217c478bd9Sstevel@tonic-gate ZONE_IS_SHUTTING_DOWN, 2227c478bd9Sstevel@tonic-gate ZONE_IS_EMPTY, 2237c478bd9Sstevel@tonic-gate ZONE_IS_DOWN, 2247c478bd9Sstevel@tonic-gate ZONE_IS_DYING, 2257c478bd9Sstevel@tonic-gate ZONE_IS_DEAD 2267c478bd9Sstevel@tonic-gate } zone_status_t; 2277c478bd9Sstevel@tonic-gate #define ZONE_MIN_STATE ZONE_IS_UNINITIALIZED 2287c478bd9Sstevel@tonic-gate #define ZONE_MAX_STATE ZONE_IS_DEAD 2297c478bd9Sstevel@tonic-gate 2307c478bd9Sstevel@tonic-gate /* 2317c478bd9Sstevel@tonic-gate * Valid commands which may be issued by zoneadm to zoneadmd. The kernel also 2327c478bd9Sstevel@tonic-gate * communicates with zoneadmd, but only uses Z_REBOOT and Z_HALT. 2337c478bd9Sstevel@tonic-gate */ 2347c478bd9Sstevel@tonic-gate typedef enum zone_cmd { 2359acbbeafSnn Z_READY, Z_BOOT, Z_FORCEBOOT, Z_REBOOT, Z_HALT, Z_NOTE_UNINSTALLING, 2363c7284bdSAlexander Eremin Z_MOUNT, Z_FORCEMOUNT, Z_UNMOUNT, Z_SHUTDOWN 2377c478bd9Sstevel@tonic-gate } zone_cmd_t; 2387c478bd9Sstevel@tonic-gate 2397c478bd9Sstevel@tonic-gate /* 2407c478bd9Sstevel@tonic-gate * The structure of a request to zoneadmd. 2417c478bd9Sstevel@tonic-gate */ 2427c478bd9Sstevel@tonic-gate typedef struct zone_cmd_arg { 2437c478bd9Sstevel@tonic-gate uint64_t uniqid; /* unique "generation number" */ 2447c478bd9Sstevel@tonic-gate zone_cmd_t cmd; /* requested action */ 2453f2f09c1Sdp uint32_t _pad; /* need consistent 32/64 bit alignmt */ 2467c478bd9Sstevel@tonic-gate char locale[MAXPATHLEN]; /* locale in which to render messages */ 2473f2f09c1Sdp char bootbuf[BOOTARGS_MAX]; /* arguments passed to zone_boot() */ 2487c478bd9Sstevel@tonic-gate } zone_cmd_arg_t; 2497c478bd9Sstevel@tonic-gate 2507c478bd9Sstevel@tonic-gate /* 2517c478bd9Sstevel@tonic-gate * Structure of zoneadmd's response to a request. A NULL return value means 2527c478bd9Sstevel@tonic-gate * the caller should attempt to restart zoneadmd and retry. 2537c478bd9Sstevel@tonic-gate */ 2547c478bd9Sstevel@tonic-gate typedef struct zone_cmd_rval { 2557c478bd9Sstevel@tonic-gate int rval; /* return value of request */ 2567c478bd9Sstevel@tonic-gate char errbuf[1]; /* variable-sized buffer containing error messages */ 2577c478bd9Sstevel@tonic-gate } zone_cmd_rval_t; 2587c478bd9Sstevel@tonic-gate 2597c478bd9Sstevel@tonic-gate /* 2607c478bd9Sstevel@tonic-gate * The zone support infrastructure uses the zone name as a component 2617c478bd9Sstevel@tonic-gate * of unix domain (AF_UNIX) sockets, which are limited to 108 characters 2627c478bd9Sstevel@tonic-gate * in length, so ZONENAME_MAX is limited by that. 2637c478bd9Sstevel@tonic-gate */ 2647c478bd9Sstevel@tonic-gate #define ZONENAME_MAX 64 2657c478bd9Sstevel@tonic-gate 2667c478bd9Sstevel@tonic-gate #define GLOBAL_ZONENAME "global" 2677c478bd9Sstevel@tonic-gate 2687c478bd9Sstevel@tonic-gate /* 2697c478bd9Sstevel@tonic-gate * Extended Regular expression (see regex(5)) which matches all valid zone 2707c478bd9Sstevel@tonic-gate * names. 2717c478bd9Sstevel@tonic-gate */ 2727c478bd9Sstevel@tonic-gate #define ZONENAME_REGEXP "[a-zA-Z0-9][-_.a-zA-Z0-9]{0,62}" 2737c478bd9Sstevel@tonic-gate 2747c478bd9Sstevel@tonic-gate /* 2757c478bd9Sstevel@tonic-gate * Where the zones support infrastructure places temporary files. 2767c478bd9Sstevel@tonic-gate */ 2777c478bd9Sstevel@tonic-gate #define ZONES_TMPDIR "/var/run/zones" 2787c478bd9Sstevel@tonic-gate 2797c478bd9Sstevel@tonic-gate /* 2807c478bd9Sstevel@tonic-gate * The path to the door used by clients to communicate with zoneadmd. 2817c478bd9Sstevel@tonic-gate */ 2827c478bd9Sstevel@tonic-gate #define ZONE_DOOR_PATH ZONES_TMPDIR "/%s.zoneadmd_door" 2837c478bd9Sstevel@tonic-gate 284a19609f8Sjv 285f4b3ec61Sdh /* zone_flags */ 286a19609f8Sjv /* 287a19609f8Sjv * Threads that read or write the following flag must hold zone_lock. 288a19609f8Sjv */ 289a19609f8Sjv #define ZF_REFCOUNTS_LOGGED 0x1 /* a thread logged the zone's refs */ 290a19609f8Sjv 291a19609f8Sjv /* 292a19609f8Sjv * The following threads are set when the zone is created and never changed. 293a19609f8Sjv * Threads that test for these flags don't have to hold zone_lock. 294a19609f8Sjv */ 295f4b3ec61Sdh #define ZF_HASHED_LABEL 0x2 /* zone has a unique label */ 296f4b3ec61Sdh #define ZF_IS_SCRATCH 0x4 /* scratch zone */ 297f4b3ec61Sdh #define ZF_NET_EXCL 0x8 /* Zone has an exclusive IP stack */ 298f4b3ec61Sdh 299a19609f8Sjv 300f4b3ec61Sdh /* zone_create flags */ 301f4b3ec61Sdh #define ZCF_NET_EXCL 0x1 /* Create a zone with exclusive IP */ 302f4b3ec61Sdh 303550b6e40SSowmini Varadhan /* zone network properties */ 304550b6e40SSowmini Varadhan #define ZONE_NETWORK_ADDRESS 1 305550b6e40SSowmini Varadhan #define ZONE_NETWORK_DEFROUTER 2 306550b6e40SSowmini Varadhan 307550b6e40SSowmini Varadhan #define ZONE_NET_ADDRNAME "address" 308550b6e40SSowmini Varadhan #define ZONE_NET_RTRNAME "route" 309550b6e40SSowmini Varadhan 310550b6e40SSowmini Varadhan typedef struct zone_net_data { 311550b6e40SSowmini Varadhan int zn_type; 312550b6e40SSowmini Varadhan int zn_len; 313550b6e40SSowmini Varadhan datalink_id_t zn_linkid; 314550b6e40SSowmini Varadhan uint8_t zn_val[1]; 315550b6e40SSowmini Varadhan } zone_net_data_t; 316550b6e40SSowmini Varadhan 317550b6e40SSowmini Varadhan 3187c478bd9Sstevel@tonic-gate #ifdef _KERNEL 319a19609f8Sjv 3207c478bd9Sstevel@tonic-gate /* 3217c478bd9Sstevel@tonic-gate * We need to protect the definition of 'list_t' from userland applications and 3227c478bd9Sstevel@tonic-gate * libraries which may be defining ther own versions. 3237c478bd9Sstevel@tonic-gate */ 3247c478bd9Sstevel@tonic-gate #include <sys/list.h> 3256481fd49SIgor Kozhukhov #include <sys/loadavg.h> 3267c478bd9Sstevel@tonic-gate 3277c478bd9Sstevel@tonic-gate #define GLOBAL_ZONEUNIQID 0 /* uniqid of the global zone */ 3287c478bd9Sstevel@tonic-gate 3297c478bd9Sstevel@tonic-gate struct pool; 3309acbbeafSnn struct brand; 3317c478bd9Sstevel@tonic-gate 332a19609f8Sjv /* 333a19609f8Sjv * Each of these constants identifies a kernel subsystem that acquires and 334a19609f8Sjv * releases zone references. Each subsystem that invokes 335a19609f8Sjv * zone_hold_ref() and zone_rele_ref() should specify the 336a19609f8Sjv * zone_ref_subsys_t constant associated with the subsystem. Tracked holds 337a19609f8Sjv * help users and developers quickly identify subsystems that stall zone 338a19609f8Sjv * shutdowns indefinitely. 339a19609f8Sjv * 340a19609f8Sjv * NOTE: You must modify zone_ref_subsys_names in usr/src/uts/common/os/zone.c 341a19609f8Sjv * when you modify this enumeration. 342a19609f8Sjv */ 343a19609f8Sjv typedef enum zone_ref_subsys { 344a19609f8Sjv ZONE_REF_NFS, /* NFS */ 345a19609f8Sjv ZONE_REF_NFSV4, /* NFSv4 */ 346a19609f8Sjv ZONE_REF_SMBFS, /* SMBFS */ 347a19609f8Sjv ZONE_REF_MNTFS, /* MNTFS */ 348a19609f8Sjv ZONE_REF_LOFI, /* LOFI devices */ 349a19609f8Sjv ZONE_REF_VFS, /* VFS infrastructure */ 350a19609f8Sjv ZONE_REF_IPC, /* IPC infrastructure */ 351a19609f8Sjv ZONE_REF_NUM_SUBSYS /* This must be the last entry. */ 352a19609f8Sjv } zone_ref_subsys_t; 353a19609f8Sjv 354a19609f8Sjv /* 355a19609f8Sjv * zone_ref represents a general-purpose references to a zone. Each zone's 356a19609f8Sjv * references are linked into the zone's zone_t::zone_ref_list. This allows 357a19609f8Sjv * debuggers to walk zones' references. 358a19609f8Sjv */ 359a19609f8Sjv typedef struct zone_ref { 360a19609f8Sjv struct zone *zref_zone; /* the zone to which the reference refers */ 361a19609f8Sjv list_node_t zref_linkage; /* linkage for zone_t::zone_ref_list */ 362a19609f8Sjv } zone_ref_t; 363a19609f8Sjv 364fa9e4066Sahrens /* 365fa9e4066Sahrens * Structure to record list of ZFS datasets exported to a zone. 366fa9e4066Sahrens */ 367fa9e4066Sahrens typedef struct zone_dataset { 368fa9e4066Sahrens char *zd_dataset; 369fa9e4066Sahrens list_node_t zd_linkage; 370fa9e4066Sahrens } zone_dataset_t; 371fa9e4066Sahrens 3720209230bSgjelinek /* 3730209230bSgjelinek * structure for zone kstats 3740209230bSgjelinek */ 3750209230bSgjelinek typedef struct zone_kstat { 3760209230bSgjelinek kstat_named_t zk_zonename; 3770209230bSgjelinek kstat_named_t zk_usage; 3780209230bSgjelinek kstat_named_t zk_value; 3790209230bSgjelinek } zone_kstat_t; 3800209230bSgjelinek 381c97ad5cdSakolb struct cpucap; 382c97ad5cdSakolb 383542a813cSJerry Jelinek typedef struct { 384542a813cSJerry Jelinek kstat_named_t zm_zonename; /* full name, kstat truncates name */ 385542a813cSJerry Jelinek kstat_named_t zm_utime; 386542a813cSJerry Jelinek kstat_named_t zm_stime; 387542a813cSJerry Jelinek kstat_named_t zm_wtime; 38881d43577SJerry Jelinek kstat_named_t zm_avenrun1; 38981d43577SJerry Jelinek kstat_named_t zm_avenrun5; 39081d43577SJerry Jelinek kstat_named_t zm_avenrun15; 391*482a7749SJerry Jelinek kstat_named_t zm_run_ticks; 392*482a7749SJerry Jelinek kstat_named_t zm_run_wait; 393*482a7749SJerry Jelinek kstat_named_t zm_fss_shr_pct; 394*482a7749SJerry Jelinek kstat_named_t zm_fss_pri_hi; 395*482a7749SJerry Jelinek kstat_named_t zm_fss_pri_avg; 396542a813cSJerry Jelinek } zone_misc_kstat_t; 397542a813cSJerry Jelinek 3987c478bd9Sstevel@tonic-gate typedef struct zone { 3997c478bd9Sstevel@tonic-gate /* 4007c478bd9Sstevel@tonic-gate * zone_name is never modified once set. 4017c478bd9Sstevel@tonic-gate */ 4027c478bd9Sstevel@tonic-gate char *zone_name; /* zone's configuration name */ 4037c478bd9Sstevel@tonic-gate /* 4047c478bd9Sstevel@tonic-gate * zone_nodename and zone_domain are never freed once allocated. 4057c478bd9Sstevel@tonic-gate */ 4067c478bd9Sstevel@tonic-gate char *zone_nodename; /* utsname.nodename equivalent */ 4077c478bd9Sstevel@tonic-gate char *zone_domain; /* srpc_domain equivalent */ 4085679c89fSjv /* 4095679c89fSjv * zone_hostid is used for per-zone hostid emulation. 4105679c89fSjv * Currently it isn't modified after it's set (so no locks protect 4115679c89fSjv * accesses), but that might have to change when we allow 4125679c89fSjv * administrators to change running zones' properties. 4135679c89fSjv * 4145679c89fSjv * The global zone's zone_hostid must always be HW_INVALID_HOSTID so 4155679c89fSjv * that zone_get_hostid() will function correctly. 4165679c89fSjv */ 4175679c89fSjv uint32_t zone_hostid; /* zone's hostid, HW_INVALID_HOSTID */ 4185679c89fSjv /* if not emulated */ 4197c478bd9Sstevel@tonic-gate /* 4207c478bd9Sstevel@tonic-gate * zone_lock protects the following fields of a zone_t: 4217c478bd9Sstevel@tonic-gate * zone_ref 4227c478bd9Sstevel@tonic-gate * zone_cred_ref 423a19609f8Sjv * zone_subsys_ref 424a19609f8Sjv * zone_ref_list 4257c478bd9Sstevel@tonic-gate * zone_ntasks 4267c478bd9Sstevel@tonic-gate * zone_flags 4277c478bd9Sstevel@tonic-gate * zone_zsd 428134a1f4eSCasper H.S. Dik * zone_pfexecd 4297c478bd9Sstevel@tonic-gate */ 4307c478bd9Sstevel@tonic-gate kmutex_t zone_lock; 4317c478bd9Sstevel@tonic-gate /* 4327c478bd9Sstevel@tonic-gate * zone_linkage is the zone's linkage into the active or 4337c478bd9Sstevel@tonic-gate * death-row list. The field is protected by zonehash_lock. 4347c478bd9Sstevel@tonic-gate */ 4357c478bd9Sstevel@tonic-gate list_node_t zone_linkage; 4367c478bd9Sstevel@tonic-gate zoneid_t zone_id; /* ID of zone */ 4377c478bd9Sstevel@tonic-gate uint_t zone_ref; /* count of zone_hold()s on zone */ 4387c478bd9Sstevel@tonic-gate uint_t zone_cred_ref; /* count of zone_hold_cred()s on zone */ 439a19609f8Sjv /* 440a19609f8Sjv * Fixed-sized array of subsystem-specific reference counts 441a19609f8Sjv * The sum of all of the counts must be less than or equal to zone_ref. 442a19609f8Sjv * The array is indexed by the counts' subsystems' zone_ref_subsys_t 443a19609f8Sjv * constants. 444a19609f8Sjv */ 445a19609f8Sjv uint_t zone_subsys_ref[ZONE_REF_NUM_SUBSYS]; 446a19609f8Sjv list_t zone_ref_list; /* list of zone_ref_t structs */ 4477c478bd9Sstevel@tonic-gate /* 4487c478bd9Sstevel@tonic-gate * zone_rootvp and zone_rootpath can never be modified once set. 4497c478bd9Sstevel@tonic-gate */ 4507c478bd9Sstevel@tonic-gate struct vnode *zone_rootvp; /* zone's root vnode */ 4517c478bd9Sstevel@tonic-gate char *zone_rootpath; /* Path to zone's root + '/' */ 4527c478bd9Sstevel@tonic-gate ushort_t zone_flags; /* misc flags */ 4537c478bd9Sstevel@tonic-gate zone_status_t zone_status; /* protected by zone_status_lock */ 4547c478bd9Sstevel@tonic-gate uint_t zone_ntasks; /* number of tasks executing in zone */ 4557c478bd9Sstevel@tonic-gate kmutex_t zone_nlwps_lock; /* protects zone_nlwps, and *_nlwps */ 4567c478bd9Sstevel@tonic-gate /* counters in projects and tasks */ 4577c478bd9Sstevel@tonic-gate /* that are within the zone */ 4587c478bd9Sstevel@tonic-gate rctl_qty_t zone_nlwps; /* number of lwps in zone */ 4597c478bd9Sstevel@tonic-gate rctl_qty_t zone_nlwps_ctl; /* protected by zone_rctls->rcs_lock */ 460824c205fSml rctl_qty_t zone_shmmax; /* System V shared memory usage */ 461824c205fSml ipc_rqty_t zone_ipc; /* System V IPC id resource usage */ 4627c478bd9Sstevel@tonic-gate 4637c478bd9Sstevel@tonic-gate uint_t zone_rootpathlen; /* strlen(zone_rootpath) + 1 */ 4647c478bd9Sstevel@tonic-gate uint32_t zone_shares; /* FSS shares allocated to zone */ 4657c478bd9Sstevel@tonic-gate rctl_set_t *zone_rctls; /* zone-wide (zone.*) rctls */ 4660209230bSgjelinek kmutex_t zone_mem_lock; /* protects zone_locked_mem and */ 467c6939658Ssl /* kpd_locked_mem for all */ 4680209230bSgjelinek /* projects in zone. */ 4690209230bSgjelinek /* Also protects zone_max_swap */ 470c6939658Ssl /* grab after p_lock, before rcs_lock */ 4710209230bSgjelinek rctl_qty_t zone_locked_mem; /* bytes of locked memory in */ 4720209230bSgjelinek /* zone */ 4730209230bSgjelinek rctl_qty_t zone_locked_mem_ctl; /* Current locked memory */ 474c6939658Ssl /* limit. Protected by */ 475c6939658Ssl /* zone_rctls->rcs_lock */ 4760209230bSgjelinek rctl_qty_t zone_max_swap; /* bytes of swap reserved by zone */ 4770209230bSgjelinek rctl_qty_t zone_max_swap_ctl; /* current swap limit. */ 4780209230bSgjelinek /* Protected by */ 4790209230bSgjelinek /* zone_rctls->rcs_lock */ 4800fbb751dSJohn Levon kmutex_t zone_rctl_lock; /* protects zone_max_lofi */ 4810fbb751dSJohn Levon rctl_qty_t zone_max_lofi; /* lofi devs for zone */ 4820fbb751dSJohn Levon rctl_qty_t zone_max_lofi_ctl; /* current lofi limit. */ 4830fbb751dSJohn Levon /* Protected by */ 4840fbb751dSJohn Levon /* zone_rctls->rcs_lock */ 4857c478bd9Sstevel@tonic-gate list_t zone_zsd; /* list of Zone-Specific Data values */ 4867c478bd9Sstevel@tonic-gate kcondvar_t zone_cv; /* used to signal state changes */ 4877c478bd9Sstevel@tonic-gate struct proc *zone_zsched; /* Dummy kernel "zsched" process */ 4887c478bd9Sstevel@tonic-gate pid_t zone_proc_initpid; /* pid of "init" for this zone */ 4893f2f09c1Sdp char *zone_initname; /* fs path to 'init' */ 4907c478bd9Sstevel@tonic-gate int zone_boot_err; /* for zone_boot() if boot fails */ 4917c478bd9Sstevel@tonic-gate char *zone_bootargs; /* arguments passed via zone_boot() */ 4920209230bSgjelinek uint64_t zone_phys_mcap; /* physical memory cap */ 4937c478bd9Sstevel@tonic-gate /* 4947c478bd9Sstevel@tonic-gate * zone_kthreads is protected by zone_status_lock. 4957c478bd9Sstevel@tonic-gate */ 4967c478bd9Sstevel@tonic-gate kthread_t *zone_kthreads; /* kernel threads in zone */ 4977c478bd9Sstevel@tonic-gate struct priv_set *zone_privset; /* limit set for zone */ 4987c478bd9Sstevel@tonic-gate /* 4997c478bd9Sstevel@tonic-gate * zone_vfslist is protected by vfs_list_lock(). 5007c478bd9Sstevel@tonic-gate */ 5017c478bd9Sstevel@tonic-gate struct vfs *zone_vfslist; /* list of FS's mounted in zone */ 5027c478bd9Sstevel@tonic-gate uint64_t zone_uniqid; /* unique zone generation number */ 5037c478bd9Sstevel@tonic-gate struct cred *zone_kcred; /* kcred-like, zone-limited cred */ 5047c478bd9Sstevel@tonic-gate /* 5057c478bd9Sstevel@tonic-gate * zone_pool is protected by pool_lock(). 5067c478bd9Sstevel@tonic-gate */ 5077c478bd9Sstevel@tonic-gate struct pool *zone_pool; /* pool the zone is bound to */ 5087c478bd9Sstevel@tonic-gate hrtime_t zone_pool_mod; /* last pool bind modification time */ 5097c478bd9Sstevel@tonic-gate /* zone_psetid is protected by cpu_lock */ 5107c478bd9Sstevel@tonic-gate psetid_t zone_psetid; /* pset the zone is bound to */ 51186ad481cSJerry Jelinek 51286ad481cSJerry Jelinek time_t zone_boot_time; /* Similar to boot_time */ 51386ad481cSJerry Jelinek 5147c478bd9Sstevel@tonic-gate /* 5157c478bd9Sstevel@tonic-gate * The following two can be read without holding any locks. They are 5167c478bd9Sstevel@tonic-gate * updated under cpu_lock. 5177c478bd9Sstevel@tonic-gate */ 5187c478bd9Sstevel@tonic-gate int zone_ncpus; /* zone's idea of ncpus */ 5197c478bd9Sstevel@tonic-gate int zone_ncpus_online; /* zone's idea of ncpus_online */ 520fa9e4066Sahrens /* 521fa9e4066Sahrens * List of ZFS datasets exported to this zone. 522fa9e4066Sahrens */ 523fa9e4066Sahrens list_t zone_datasets; /* list of datasets */ 52445916cd2Sjpk 52542bc57c4Srica ts_label_t *zone_slabel; /* zone sensitivity label */ 52642bc57c4Srica int zone_match; /* require label match for packets */ 52745916cd2Sjpk tsol_mlp_list_t zone_mlps; /* MLPs on zone-private addresses */ 5283f2f09c1Sdp 5299acbbeafSnn boolean_t zone_restart_init; /* Restart init if it dies? */ 5309acbbeafSnn struct brand *zone_brand; /* zone's brand */ 531319378d9Seh void *zone_brand_data; /* store brand specific data */ 5320209230bSgjelinek id_t zone_defaultcid; /* dflt scheduling class id */ 5330209230bSgjelinek kstat_t *zone_swapresv_kstat; 5340209230bSgjelinek kstat_t *zone_lockedmem_kstat; 535f4b3ec61Sdh /* 536f4b3ec61Sdh * zone_dl_list is protected by zone_lock 537f4b3ec61Sdh */ 5382b24ab6bSSebastien Roy list_t zone_dl_list; 539f4b3ec61Sdh netstack_t *zone_netstack; 540c97ad5cdSakolb struct cpucap *zone_cpucap; /* CPU caps data */ 5419e9e6ab8Spaulson /* 5429e9e6ab8Spaulson * Solaris Auditing per-zone audit context 5439e9e6ab8Spaulson */ 5449e9e6ab8Spaulson struct au_kcontext *zone_audit_kctxt; 545835ee219SRobert Harris /* 546835ee219SRobert Harris * For private use by mntfs. 547835ee219SRobert Harris */ 548835ee219SRobert Harris struct mntelem *zone_mntfs_db; 549835ee219SRobert Harris krwlock_t zone_mntfs_db_lock; 550134a1f4eSCasper H.S. Dik 551134a1f4eSCasper H.S. Dik struct klpd_reg *zone_pfexecd; 5520fbb751dSJohn Levon 5530fbb751dSJohn Levon char *zone_fs_allowed; 554ff19e029SMenno Lageman rctl_qty_t zone_nprocs; /* number of processes in the zone */ 555ff19e029SMenno Lageman rctl_qty_t zone_nprocs_ctl; /* current limit protected by */ 556ff19e029SMenno Lageman /* zone_rctls->rcs_lock */ 557ff19e029SMenno Lageman kstat_t *zone_nprocs_kstat; 558b0f673c4SBryan Cantrill 559542a813cSJerry Jelinek /* 560542a813cSJerry Jelinek * Misc. kstats and counters for zone cpu-usage aggregation. 561542a813cSJerry Jelinek * The zone_Xtime values are the sum of the micro-state accounting 562542a813cSJerry Jelinek * values for all threads that are running or have run in the zone. 563542a813cSJerry Jelinek * This is tracked in msacct.c as threads change state. 564542a813cSJerry Jelinek * The zone_stime is the sum of the LMS_SYSTEM times. 565542a813cSJerry Jelinek * The zone_utime is the sum of the LMS_USER times. 566542a813cSJerry Jelinek * The zone_wtime is the sum of the LMS_WAIT_CPU times. 567542a813cSJerry Jelinek * As with per-thread micro-state accounting values, these values are 568542a813cSJerry Jelinek * not scaled to nanosecs. The scaling is done by the 569542a813cSJerry Jelinek * zone_misc_kstat_update function when kstats are requested. 570542a813cSJerry Jelinek */ 571542a813cSJerry Jelinek kmutex_t zone_misc_lock; /* protects misc statistics */ 572542a813cSJerry Jelinek kstat_t *zone_misc_ksp; 573542a813cSJerry Jelinek zone_misc_kstat_t *zone_misc_stats; 574542a813cSJerry Jelinek uint64_t zone_stime; /* total system time */ 575542a813cSJerry Jelinek uint64_t zone_utime; /* total user time */ 576542a813cSJerry Jelinek uint64_t zone_wtime; /* total time waiting in runq */ 577542a813cSJerry Jelinek 57881d43577SJerry Jelinek struct loadavg_s zone_loadavg; /* loadavg for this zone */ 57981d43577SJerry Jelinek uint64_t zone_hp_avenrun[3]; /* high-precision avenrun */ 58081d43577SJerry Jelinek int zone_avenrun[3]; /* FSCALED avg. run queue len */ 58181d43577SJerry Jelinek 582*482a7749SJerry Jelinek /* 583*482a7749SJerry Jelinek * FSS stats updated once per second by fss_decay_usage. 584*482a7749SJerry Jelinek */ 585*482a7749SJerry Jelinek uint32_t zone_fss_gen; /* FSS generation cntr */ 586*482a7749SJerry Jelinek uint64_t zone_run_ticks; /* tot # of ticks running */ 587*482a7749SJerry Jelinek 588b0f673c4SBryan Cantrill /* 589b0f673c4SBryan Cantrill * DTrace-private per-zone state 590b0f673c4SBryan Cantrill */ 591b0f673c4SBryan Cantrill int zone_dtrace_getf; /* # of unprivileged getf()s */ 5927c478bd9Sstevel@tonic-gate } zone_t; 5937c478bd9Sstevel@tonic-gate 5947c478bd9Sstevel@tonic-gate /* 5957c478bd9Sstevel@tonic-gate * Special value of zone_psetid to indicate that pools are disabled. 5967c478bd9Sstevel@tonic-gate */ 5977c478bd9Sstevel@tonic-gate #define ZONE_PS_INVAL PS_MYID 5987c478bd9Sstevel@tonic-gate 599f4b3ec61Sdh 6007c478bd9Sstevel@tonic-gate extern zone_t zone0; 6017c478bd9Sstevel@tonic-gate extern zone_t *global_zone; 6027c478bd9Sstevel@tonic-gate extern uint_t maxzones; 6037c478bd9Sstevel@tonic-gate extern rctl_hndl_t rc_zone_nlwps; 604ff19e029SMenno Lageman extern rctl_hndl_t rc_zone_nprocs; 6057c478bd9Sstevel@tonic-gate 606fa9e4066Sahrens extern long zone(int, void *, void *, void *, void *); 6077c478bd9Sstevel@tonic-gate extern void zone_zsd_init(void); 6087c478bd9Sstevel@tonic-gate extern void zone_init(void); 6097c478bd9Sstevel@tonic-gate extern void zone_hold(zone_t *); 6107c478bd9Sstevel@tonic-gate extern void zone_rele(zone_t *); 611a19609f8Sjv extern void zone_init_ref(zone_ref_t *); 612a19609f8Sjv extern void zone_hold_ref(zone_t *, zone_ref_t *, zone_ref_subsys_t); 613a19609f8Sjv extern void zone_rele_ref(zone_ref_t *, zone_ref_subsys_t); 6147c478bd9Sstevel@tonic-gate extern void zone_cred_hold(zone_t *); 6157c478bd9Sstevel@tonic-gate extern void zone_cred_rele(zone_t *); 6167c478bd9Sstevel@tonic-gate extern void zone_task_hold(zone_t *); 6177c478bd9Sstevel@tonic-gate extern void zone_task_rele(zone_t *); 6187c478bd9Sstevel@tonic-gate extern zone_t *zone_find_by_id(zoneid_t); 61945916cd2Sjpk extern zone_t *zone_find_by_label(const ts_label_t *); 6207c478bd9Sstevel@tonic-gate extern zone_t *zone_find_by_name(char *); 62145916cd2Sjpk extern zone_t *zone_find_by_any_path(const char *, boolean_t); 62248451833Scarlsonj extern zone_t *zone_find_by_path(const char *); 6237c478bd9Sstevel@tonic-gate extern zoneid_t getzoneid(void); 624f4b3ec61Sdh extern zone_t *zone_find_by_id_nolock(zoneid_t); 6252b24ab6bSSebastien Roy extern int zone_datalink_walk(zoneid_t, int (*)(datalink_id_t, void *), void *); 6262b24ab6bSSebastien Roy extern int zone_check_datalink(zoneid_t *, datalink_id_t); 62781d43577SJerry Jelinek extern void zone_loadavg_update(); 6287c478bd9Sstevel@tonic-gate 6297c478bd9Sstevel@tonic-gate /* 6307c478bd9Sstevel@tonic-gate * Zone-specific data (ZSD) APIs 6317c478bd9Sstevel@tonic-gate */ 6327c478bd9Sstevel@tonic-gate /* 6337c478bd9Sstevel@tonic-gate * The following is what code should be initializing its zone_key_t to if it 6347c478bd9Sstevel@tonic-gate * calls zone_getspecific() without necessarily knowing that zone_key_create() 6357c478bd9Sstevel@tonic-gate * has been called on the key. 6367c478bd9Sstevel@tonic-gate */ 6377c478bd9Sstevel@tonic-gate #define ZONE_KEY_UNINITIALIZED 0 6387c478bd9Sstevel@tonic-gate 6397c478bd9Sstevel@tonic-gate typedef uint_t zone_key_t; 6407c478bd9Sstevel@tonic-gate 6417c478bd9Sstevel@tonic-gate extern void zone_key_create(zone_key_t *, void *(*)(zoneid_t), 6427c478bd9Sstevel@tonic-gate void (*)(zoneid_t, void *), void (*)(zoneid_t, void *)); 6437c478bd9Sstevel@tonic-gate extern int zone_key_delete(zone_key_t); 6447c478bd9Sstevel@tonic-gate extern void *zone_getspecific(zone_key_t, zone_t *); 6457c478bd9Sstevel@tonic-gate extern int zone_setspecific(zone_key_t, zone_t *, const void *); 6467c478bd9Sstevel@tonic-gate 6477c478bd9Sstevel@tonic-gate /* 6487c478bd9Sstevel@tonic-gate * The definition of a zsd_entry is truly private to zone.c and is only 6497c478bd9Sstevel@tonic-gate * placed here so it can be shared with mdb. 650bd41d0a8Snordmark * 651bd41d0a8Snordmark * State maintained for each zone times each registered key, which tracks 652bd41d0a8Snordmark * the state of the create, shutdown and destroy callbacks. 653bd41d0a8Snordmark * 654bd41d0a8Snordmark * zsd_flags is used to keep track of pending actions to avoid holding locks 655bd41d0a8Snordmark * when calling the create/shutdown/destroy callbacks, since doing so 656bd41d0a8Snordmark * could lead to deadlocks. 6577c478bd9Sstevel@tonic-gate */ 6587c478bd9Sstevel@tonic-gate struct zsd_entry { 6597c478bd9Sstevel@tonic-gate zone_key_t zsd_key; /* Key used to lookup value */ 6607c478bd9Sstevel@tonic-gate void *zsd_data; /* Caller-managed value */ 6617c478bd9Sstevel@tonic-gate /* 6627c478bd9Sstevel@tonic-gate * Callbacks to be executed when a zone is created, shutdown, and 6637c478bd9Sstevel@tonic-gate * destroyed, respectively. 6647c478bd9Sstevel@tonic-gate */ 6657c478bd9Sstevel@tonic-gate void *(*zsd_create)(zoneid_t); 6667c478bd9Sstevel@tonic-gate void (*zsd_shutdown)(zoneid_t, void *); 6677c478bd9Sstevel@tonic-gate void (*zsd_destroy)(zoneid_t, void *); 6687c478bd9Sstevel@tonic-gate list_node_t zsd_linkage; 669bd41d0a8Snordmark uint16_t zsd_flags; /* See below */ 670bd41d0a8Snordmark kcondvar_t zsd_cv; 6717c478bd9Sstevel@tonic-gate }; 6727c478bd9Sstevel@tonic-gate 673bd41d0a8Snordmark /* 674bd41d0a8Snordmark * zsd_flags 675bd41d0a8Snordmark */ 676bd41d0a8Snordmark #define ZSD_CREATE_NEEDED 0x0001 677bd41d0a8Snordmark #define ZSD_CREATE_INPROGRESS 0x0002 678bd41d0a8Snordmark #define ZSD_CREATE_COMPLETED 0x0004 679bd41d0a8Snordmark #define ZSD_SHUTDOWN_NEEDED 0x0010 680bd41d0a8Snordmark #define ZSD_SHUTDOWN_INPROGRESS 0x0020 681bd41d0a8Snordmark #define ZSD_SHUTDOWN_COMPLETED 0x0040 682bd41d0a8Snordmark #define ZSD_DESTROY_NEEDED 0x0100 683bd41d0a8Snordmark #define ZSD_DESTROY_INPROGRESS 0x0200 684bd41d0a8Snordmark #define ZSD_DESTROY_COMPLETED 0x0400 685bd41d0a8Snordmark 686bd41d0a8Snordmark #define ZSD_CREATE_ALL \ 687bd41d0a8Snordmark (ZSD_CREATE_NEEDED|ZSD_CREATE_INPROGRESS|ZSD_CREATE_COMPLETED) 688bd41d0a8Snordmark #define ZSD_SHUTDOWN_ALL \ 689bd41d0a8Snordmark (ZSD_SHUTDOWN_NEEDED|ZSD_SHUTDOWN_INPROGRESS|ZSD_SHUTDOWN_COMPLETED) 690bd41d0a8Snordmark #define ZSD_DESTROY_ALL \ 691bd41d0a8Snordmark (ZSD_DESTROY_NEEDED|ZSD_DESTROY_INPROGRESS|ZSD_DESTROY_COMPLETED) 692bd41d0a8Snordmark 693bd41d0a8Snordmark #define ZSD_ALL_INPROGRESS \ 694bd41d0a8Snordmark (ZSD_CREATE_INPROGRESS|ZSD_SHUTDOWN_INPROGRESS|ZSD_DESTROY_INPROGRESS) 695bd41d0a8Snordmark 6967c478bd9Sstevel@tonic-gate /* 6977c478bd9Sstevel@tonic-gate * Macros to help with zone visibility restrictions. 6987c478bd9Sstevel@tonic-gate */ 6997c478bd9Sstevel@tonic-gate 7007c478bd9Sstevel@tonic-gate /* 7017c478bd9Sstevel@tonic-gate * Is process in the global zone? 7027c478bd9Sstevel@tonic-gate */ 7037c478bd9Sstevel@tonic-gate #define INGLOBALZONE(p) \ 7047c478bd9Sstevel@tonic-gate ((p)->p_zone == global_zone) 7057c478bd9Sstevel@tonic-gate 7067c478bd9Sstevel@tonic-gate /* 7077c478bd9Sstevel@tonic-gate * Can process view objects in given zone? 7087c478bd9Sstevel@tonic-gate */ 7097c478bd9Sstevel@tonic-gate #define HASZONEACCESS(p, zoneid) \ 7107c478bd9Sstevel@tonic-gate ((p)->p_zone->zone_id == (zoneid) || INGLOBALZONE(p)) 7117c478bd9Sstevel@tonic-gate 7127c478bd9Sstevel@tonic-gate /* 7137c478bd9Sstevel@tonic-gate * Convenience macro to see if a resolved path is visible from within a 7147c478bd9Sstevel@tonic-gate * given zone. 7157c478bd9Sstevel@tonic-gate * 7167c478bd9Sstevel@tonic-gate * The basic idea is that the first (zone_rootpathlen - 1) bytes of the 7177c478bd9Sstevel@tonic-gate * two strings must be equal. Since the rootpathlen has a trailing '/', 7187c478bd9Sstevel@tonic-gate * we want to skip everything in the path up to (but not including) the 7197c478bd9Sstevel@tonic-gate * trailing '/'. 7207c478bd9Sstevel@tonic-gate */ 7217c478bd9Sstevel@tonic-gate #define ZONE_PATH_VISIBLE(path, zone) \ 7227c478bd9Sstevel@tonic-gate (strncmp((path), (zone)->zone_rootpath, \ 7237c478bd9Sstevel@tonic-gate (zone)->zone_rootpathlen - 1) == 0) 7247c478bd9Sstevel@tonic-gate 7257c478bd9Sstevel@tonic-gate /* 7267c478bd9Sstevel@tonic-gate * Convenience macro to go from the global view of a path to that seen 7277c478bd9Sstevel@tonic-gate * from within said zone. It is the responsibility of the caller to 7287c478bd9Sstevel@tonic-gate * ensure that the path is a resolved one (ie, no '..'s or '.'s), and is 7297c478bd9Sstevel@tonic-gate * in fact visible from within the zone. 7307c478bd9Sstevel@tonic-gate */ 7317c478bd9Sstevel@tonic-gate #define ZONE_PATH_TRANSLATE(path, zone) \ 7327c478bd9Sstevel@tonic-gate (ASSERT(ZONE_PATH_VISIBLE(path, zone)), \ 7337c478bd9Sstevel@tonic-gate (path) + (zone)->zone_rootpathlen - 2) 7347c478bd9Sstevel@tonic-gate 7357c478bd9Sstevel@tonic-gate /* 7367c478bd9Sstevel@tonic-gate * Special processes visible in all zones. 7377c478bd9Sstevel@tonic-gate */ 7387c478bd9Sstevel@tonic-gate #define ZONE_SPECIALPID(x) ((x) == 0 || (x) == 1) 7397c478bd9Sstevel@tonic-gate 7407c478bd9Sstevel@tonic-gate /* 7417c478bd9Sstevel@tonic-gate * Zone-safe version of thread_create() to be used when the caller wants to 7427c478bd9Sstevel@tonic-gate * create a kernel thread to run within the current zone's context. 7437c478bd9Sstevel@tonic-gate */ 7447c478bd9Sstevel@tonic-gate extern kthread_t *zthread_create(caddr_t, size_t, void (*)(), void *, size_t, 7457c478bd9Sstevel@tonic-gate pri_t); 7467c478bd9Sstevel@tonic-gate extern void zthread_exit(void); 7477c478bd9Sstevel@tonic-gate 7487c478bd9Sstevel@tonic-gate /* 7497c478bd9Sstevel@tonic-gate * Functions for an external observer to register interest in a zone's status 7507c478bd9Sstevel@tonic-gate * change. Observers will be woken up when the zone status equals the status 7517c478bd9Sstevel@tonic-gate * argument passed in (in the case of zone_status_timedwait, the function may 7527c478bd9Sstevel@tonic-gate * also return because of a timeout; zone_status_wait_sig may return early due 7537c478bd9Sstevel@tonic-gate * to a signal being delivered; zone_status_timedwait_sig may return for any of 7547c478bd9Sstevel@tonic-gate * the above reasons). 7557c478bd9Sstevel@tonic-gate * 7567c478bd9Sstevel@tonic-gate * Otherwise these behave identically to cv_timedwait(), cv_wait(), and 7577c478bd9Sstevel@tonic-gate * cv_wait_sig() respectively. 7587c478bd9Sstevel@tonic-gate */ 7597c478bd9Sstevel@tonic-gate extern clock_t zone_status_timedwait(zone_t *, clock_t, zone_status_t); 7607c478bd9Sstevel@tonic-gate extern clock_t zone_status_timedwait_sig(zone_t *, clock_t, zone_status_t); 7617c478bd9Sstevel@tonic-gate extern void zone_status_wait(zone_t *, zone_status_t); 7627c478bd9Sstevel@tonic-gate extern int zone_status_wait_sig(zone_t *, zone_status_t); 7637c478bd9Sstevel@tonic-gate 7647c478bd9Sstevel@tonic-gate /* 7657c478bd9Sstevel@tonic-gate * Get the status of the zone (at the time it was called). The state may 7667c478bd9Sstevel@tonic-gate * have progressed by the time it is returned. 7677c478bd9Sstevel@tonic-gate */ 7687c478bd9Sstevel@tonic-gate extern zone_status_t zone_status_get(zone_t *); 7697c478bd9Sstevel@tonic-gate 7705679c89fSjv /* 7715679c89fSjv * Safely get the hostid of the specified zone (defaults to machine's hostid 7725679c89fSjv * if the specified zone doesn't emulate a hostid). Passing NULL retrieves 7735679c89fSjv * the global zone's (i.e., physical system's) hostid. 7745679c89fSjv */ 7755679c89fSjv extern uint32_t zone_get_hostid(zone_t *); 7765679c89fSjv 7777c478bd9Sstevel@tonic-gate /* 7787c478bd9Sstevel@tonic-gate * Get the "kcred" credentials corresponding to the given zone. 7797c478bd9Sstevel@tonic-gate */ 7807c478bd9Sstevel@tonic-gate extern struct cred *zone_get_kcred(zoneid_t); 7817c478bd9Sstevel@tonic-gate 7827c478bd9Sstevel@tonic-gate /* 7837c478bd9Sstevel@tonic-gate * Get/set the pool the zone is currently bound to. 7847c478bd9Sstevel@tonic-gate */ 7857c478bd9Sstevel@tonic-gate extern struct pool *zone_pool_get(zone_t *); 7867c478bd9Sstevel@tonic-gate extern void zone_pool_set(zone_t *, struct pool *); 7877c478bd9Sstevel@tonic-gate 7887c478bd9Sstevel@tonic-gate /* 7897c478bd9Sstevel@tonic-gate * Get/set the pset the zone is currently using. 7907c478bd9Sstevel@tonic-gate */ 7917c478bd9Sstevel@tonic-gate extern psetid_t zone_pset_get(zone_t *); 7927c478bd9Sstevel@tonic-gate extern void zone_pset_set(zone_t *, psetid_t); 7937c478bd9Sstevel@tonic-gate 7947c478bd9Sstevel@tonic-gate /* 7957c478bd9Sstevel@tonic-gate * Get the number of cpus/online-cpus visible from the given zone. 7967c478bd9Sstevel@tonic-gate */ 7977c478bd9Sstevel@tonic-gate extern int zone_ncpus_get(zone_t *); 7987c478bd9Sstevel@tonic-gate extern int zone_ncpus_online_get(zone_t *); 7997c478bd9Sstevel@tonic-gate 800fa9e4066Sahrens /* 801fa9e4066Sahrens * Returns true if the named pool/dataset is visible in the current zone. 802fa9e4066Sahrens */ 803fa9e4066Sahrens extern int zone_dataset_visible(const char *, int *); 804fa9e4066Sahrens 8057c478bd9Sstevel@tonic-gate /* 8063f2f09c1Sdp * zone version of kadmin() 8077c478bd9Sstevel@tonic-gate */ 8083f2f09c1Sdp extern int zone_kadmin(int, int, const char *, cred_t *); 8097c478bd9Sstevel@tonic-gate extern void zone_shutdown_global(void); 8107c478bd9Sstevel@tonic-gate 8117c478bd9Sstevel@tonic-gate extern void mount_in_progress(void); 8127c478bd9Sstevel@tonic-gate extern void mount_completed(void); 8137c478bd9Sstevel@tonic-gate 8147c478bd9Sstevel@tonic-gate extern int zone_walk(int (*)(zone_t *, void *), void *); 8157c478bd9Sstevel@tonic-gate 816c6939658Ssl extern rctl_hndl_t rc_zone_locked_mem; 8170209230bSgjelinek extern rctl_hndl_t rc_zone_max_swap; 8180fbb751dSJohn Levon extern rctl_hndl_t rc_zone_max_lofi; 819c6939658Ssl 8207c478bd9Sstevel@tonic-gate #endif /* _KERNEL */ 8217c478bd9Sstevel@tonic-gate 8227c478bd9Sstevel@tonic-gate #ifdef __cplusplus 8237c478bd9Sstevel@tonic-gate } 8247c478bd9Sstevel@tonic-gate #endif 8257c478bd9Sstevel@tonic-gate 8267c478bd9Sstevel@tonic-gate #endif /* _SYS_ZONE_H */ 827