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 /* 2245916cd2Sjpk * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 237c478bd9Sstevel@tonic-gate * Use is subject to license terms. 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 #pragma ident "%Z%%M% %I% %E% SMI" 307c478bd9Sstevel@tonic-gate 317c478bd9Sstevel@tonic-gate #include <sys/types.h> 327c478bd9Sstevel@tonic-gate #include <sys/mutex.h> 337c478bd9Sstevel@tonic-gate #include <sys/param.h> 347c478bd9Sstevel@tonic-gate #include <sys/rctl.h> 35*824c205fSml93401 #include <sys/ipc_rctl.h> 367c478bd9Sstevel@tonic-gate #include <sys/pset.h> 3745916cd2Sjpk #include <sys/tsol/label.h> 383f2f09c1Sdp #include <sys/uadmin.h> 397c478bd9Sstevel@tonic-gate 407c478bd9Sstevel@tonic-gate #ifdef __cplusplus 417c478bd9Sstevel@tonic-gate extern "C" { 427c478bd9Sstevel@tonic-gate #endif 437c478bd9Sstevel@tonic-gate 447c478bd9Sstevel@tonic-gate /* 457c478bd9Sstevel@tonic-gate * NOTE 467c478bd9Sstevel@tonic-gate * 477c478bd9Sstevel@tonic-gate * The contents of this file are private to the implementation of 487c478bd9Sstevel@tonic-gate * Solaris and are subject to change at any time without notice. 497c478bd9Sstevel@tonic-gate * Applications and drivers using these interfaces may fail to 507c478bd9Sstevel@tonic-gate * run on future releases. 517c478bd9Sstevel@tonic-gate */ 527c478bd9Sstevel@tonic-gate 537c478bd9Sstevel@tonic-gate /* Available both in kernel and for user space */ 547c478bd9Sstevel@tonic-gate 557c478bd9Sstevel@tonic-gate /* zone id restrictions and special ids */ 567c478bd9Sstevel@tonic-gate #define MAX_ZONEID 9999 577c478bd9Sstevel@tonic-gate #define MIN_USERZONEID 1 /* lowest user-creatable zone ID */ 587c478bd9Sstevel@tonic-gate #define MIN_ZONEID 0 /* minimum zone ID on system */ 597c478bd9Sstevel@tonic-gate #define GLOBAL_ZONEID 0 607c478bd9Sstevel@tonic-gate #define ZONEID_WIDTH 4 /* for printf */ 617c478bd9Sstevel@tonic-gate 6245916cd2Sjpk /* 6345916cd2Sjpk * Special zoneid_t token to refer to all zones. 6445916cd2Sjpk */ 6545916cd2Sjpk #define ALL_ZONES (-1) 6645916cd2Sjpk 677c478bd9Sstevel@tonic-gate /* system call subcodes */ 687c478bd9Sstevel@tonic-gate #define ZONE_CREATE 0 697c478bd9Sstevel@tonic-gate #define ZONE_DESTROY 1 707c478bd9Sstevel@tonic-gate #define ZONE_GETATTR 2 717c478bd9Sstevel@tonic-gate #define ZONE_ENTER 3 727c478bd9Sstevel@tonic-gate #define ZONE_LIST 4 737c478bd9Sstevel@tonic-gate #define ZONE_SHUTDOWN 5 747c478bd9Sstevel@tonic-gate #define ZONE_LOOKUP 6 757c478bd9Sstevel@tonic-gate #define ZONE_BOOT 7 76821c4a97Sdp #define ZONE_VERSION 8 773f2f09c1Sdp #define ZONE_SETATTR 9 787c478bd9Sstevel@tonic-gate 797c478bd9Sstevel@tonic-gate /* zone attributes */ 807c478bd9Sstevel@tonic-gate #define ZONE_ATTR_ROOT 1 817c478bd9Sstevel@tonic-gate #define ZONE_ATTR_NAME 2 827c478bd9Sstevel@tonic-gate #define ZONE_ATTR_STATUS 3 837c478bd9Sstevel@tonic-gate #define ZONE_ATTR_PRIVSET 4 847c478bd9Sstevel@tonic-gate #define ZONE_ATTR_UNIQID 5 857c478bd9Sstevel@tonic-gate #define ZONE_ATTR_POOLID 6 867c478bd9Sstevel@tonic-gate #define ZONE_ATTR_INITPID 7 8745916cd2Sjpk #define ZONE_ATTR_SLBL 8 883f2f09c1Sdp #define ZONE_ATTR_INITNAME 9 893f2f09c1Sdp #define ZONE_ATTR_BOOTARGS 10 907c478bd9Sstevel@tonic-gate 91cf8f45c7Sdstaff #define ZONE_EVENT_CHANNEL "com.sun:zones:status" 92cf8f45c7Sdstaff #define ZONE_EVENT_STATUS_CLASS "status" 93cf8f45c7Sdstaff #define ZONE_EVENT_STATUS_SUBCLASS "change" 94cf8f45c7Sdstaff 95cf8f45c7Sdstaff #define ZONE_EVENT_UNINITIALIZED "uninitialized" 96cf8f45c7Sdstaff #define ZONE_EVENT_READY "ready" 97cf8f45c7Sdstaff #define ZONE_EVENT_RUNNING "running" 98cf8f45c7Sdstaff #define ZONE_EVENT_SHUTTING_DOWN "shutting_down" 99cf8f45c7Sdstaff 100cf8f45c7Sdstaff #define ZONE_CB_NAME "zonename" 101cf8f45c7Sdstaff #define ZONE_CB_NEWSTATE "newstate" 102cf8f45c7Sdstaff #define ZONE_CB_OLDSTATE "oldstate" 103cf8f45c7Sdstaff #define ZONE_CB_TIMESTAMP "when" 104cf8f45c7Sdstaff #define ZONE_CB_ZONEID "zoneid" 105cf8f45c7Sdstaff 1067c478bd9Sstevel@tonic-gate #ifdef _SYSCALL32 1077c478bd9Sstevel@tonic-gate typedef struct { 1087c478bd9Sstevel@tonic-gate caddr32_t zone_name; 1097c478bd9Sstevel@tonic-gate caddr32_t zone_root; 1107c478bd9Sstevel@tonic-gate caddr32_t zone_privs; 111821c4a97Sdp size32_t zone_privssz; 1127c478bd9Sstevel@tonic-gate caddr32_t rctlbuf; 1137c478bd9Sstevel@tonic-gate size32_t rctlbufsz; 1147c478bd9Sstevel@tonic-gate caddr32_t extended_error; 115fa9e4066Sahrens caddr32_t zfsbuf; 116fa9e4066Sahrens size32_t zfsbufsz; 11742bc57c4Srica int match; /* match level */ 11842bc57c4Srica uint32_t doi; /* DOI for label */ 11942bc57c4Srica caddr32_t label; /* label associated with zone */ 1207c478bd9Sstevel@tonic-gate } zone_def32; 1217c478bd9Sstevel@tonic-gate #endif 1227c478bd9Sstevel@tonic-gate typedef struct { 1237c478bd9Sstevel@tonic-gate const char *zone_name; 1247c478bd9Sstevel@tonic-gate const char *zone_root; 1257c478bd9Sstevel@tonic-gate const struct priv_set *zone_privs; 126821c4a97Sdp size_t zone_privssz; 1277c478bd9Sstevel@tonic-gate const char *rctlbuf; 1287c478bd9Sstevel@tonic-gate size_t rctlbufsz; 1297c478bd9Sstevel@tonic-gate int *extended_error; 130fa9e4066Sahrens const char *zfsbuf; 131fa9e4066Sahrens size_t zfsbufsz; 13245916cd2Sjpk int match; /* match level */ 13342bc57c4Srica uint32_t doi; /* DOI for label */ 13445916cd2Sjpk const bslabel_t *label; /* label associated with zone */ 1357c478bd9Sstevel@tonic-gate } zone_def; 1367c478bd9Sstevel@tonic-gate 1377c478bd9Sstevel@tonic-gate /* extended error information */ 1387c478bd9Sstevel@tonic-gate #define ZE_UNKNOWN 0 /* No extended error info */ 1397c478bd9Sstevel@tonic-gate #define ZE_CHROOTED 1 /* tried to zone_create from chroot */ 1407c478bd9Sstevel@tonic-gate #define ZE_AREMOUNTS 2 /* there are mounts within the zone */ 1417c478bd9Sstevel@tonic-gate 1427c478bd9Sstevel@tonic-gate /* zone_status */ 1437c478bd9Sstevel@tonic-gate typedef enum { 1447c478bd9Sstevel@tonic-gate ZONE_IS_UNINITIALIZED = 0, 1457c478bd9Sstevel@tonic-gate ZONE_IS_READY, 1467c478bd9Sstevel@tonic-gate ZONE_IS_BOOTING, 1477c478bd9Sstevel@tonic-gate ZONE_IS_RUNNING, 1487c478bd9Sstevel@tonic-gate ZONE_IS_SHUTTING_DOWN, 1497c478bd9Sstevel@tonic-gate ZONE_IS_EMPTY, 1507c478bd9Sstevel@tonic-gate ZONE_IS_DOWN, 1517c478bd9Sstevel@tonic-gate ZONE_IS_DYING, 1527c478bd9Sstevel@tonic-gate ZONE_IS_DEAD 1537c478bd9Sstevel@tonic-gate } zone_status_t; 1547c478bd9Sstevel@tonic-gate #define ZONE_MIN_STATE ZONE_IS_UNINITIALIZED 1557c478bd9Sstevel@tonic-gate #define ZONE_MAX_STATE ZONE_IS_DEAD 1567c478bd9Sstevel@tonic-gate 1577c478bd9Sstevel@tonic-gate /* 1587c478bd9Sstevel@tonic-gate * Valid commands which may be issued by zoneadm to zoneadmd. The kernel also 1597c478bd9Sstevel@tonic-gate * communicates with zoneadmd, but only uses Z_REBOOT and Z_HALT. 1607c478bd9Sstevel@tonic-gate */ 1617c478bd9Sstevel@tonic-gate typedef enum zone_cmd { 162108322fbScarlsonj Z_READY, Z_BOOT, Z_REBOOT, Z_HALT, Z_NOTE_UNINSTALLING, 163108322fbScarlsonj Z_MOUNT, Z_UNMOUNT 1647c478bd9Sstevel@tonic-gate } zone_cmd_t; 1657c478bd9Sstevel@tonic-gate 1667c478bd9Sstevel@tonic-gate /* 1677c478bd9Sstevel@tonic-gate * The structure of a request to zoneadmd. 1687c478bd9Sstevel@tonic-gate */ 1697c478bd9Sstevel@tonic-gate typedef struct zone_cmd_arg { 1707c478bd9Sstevel@tonic-gate uint64_t uniqid; /* unique "generation number" */ 1717c478bd9Sstevel@tonic-gate zone_cmd_t cmd; /* requested action */ 1723f2f09c1Sdp uint32_t _pad; /* need consistent 32/64 bit alignmt */ 1737c478bd9Sstevel@tonic-gate char locale[MAXPATHLEN]; /* locale in which to render messages */ 1743f2f09c1Sdp char bootbuf[BOOTARGS_MAX]; /* arguments passed to zone_boot() */ 1757c478bd9Sstevel@tonic-gate } zone_cmd_arg_t; 1767c478bd9Sstevel@tonic-gate 1777c478bd9Sstevel@tonic-gate /* 1787c478bd9Sstevel@tonic-gate * Structure of zoneadmd's response to a request. A NULL return value means 1797c478bd9Sstevel@tonic-gate * the caller should attempt to restart zoneadmd and retry. 1807c478bd9Sstevel@tonic-gate */ 1817c478bd9Sstevel@tonic-gate typedef struct zone_cmd_rval { 1827c478bd9Sstevel@tonic-gate int rval; /* return value of request */ 1837c478bd9Sstevel@tonic-gate char errbuf[1]; /* variable-sized buffer containing error messages */ 1847c478bd9Sstevel@tonic-gate } zone_cmd_rval_t; 1857c478bd9Sstevel@tonic-gate 1867c478bd9Sstevel@tonic-gate /* 1877c478bd9Sstevel@tonic-gate * The zone support infrastructure uses the zone name as a component 1887c478bd9Sstevel@tonic-gate * of unix domain (AF_UNIX) sockets, which are limited to 108 characters 1897c478bd9Sstevel@tonic-gate * in length, so ZONENAME_MAX is limited by that. 1907c478bd9Sstevel@tonic-gate */ 1917c478bd9Sstevel@tonic-gate #define ZONENAME_MAX 64 1927c478bd9Sstevel@tonic-gate 1937c478bd9Sstevel@tonic-gate #define GLOBAL_ZONENAME "global" 1947c478bd9Sstevel@tonic-gate 1957c478bd9Sstevel@tonic-gate /* 1967c478bd9Sstevel@tonic-gate * Extended Regular expression (see regex(5)) which matches all valid zone 1977c478bd9Sstevel@tonic-gate * names. 1987c478bd9Sstevel@tonic-gate */ 1997c478bd9Sstevel@tonic-gate #define ZONENAME_REGEXP "[a-zA-Z0-9][-_.a-zA-Z0-9]{0,62}" 2007c478bd9Sstevel@tonic-gate 2017c478bd9Sstevel@tonic-gate /* 2027c478bd9Sstevel@tonic-gate * Where the zones support infrastructure places temporary files. 2037c478bd9Sstevel@tonic-gate */ 2047c478bd9Sstevel@tonic-gate #define ZONES_TMPDIR "/var/run/zones" 2057c478bd9Sstevel@tonic-gate 2067c478bd9Sstevel@tonic-gate /* 2077c478bd9Sstevel@tonic-gate * The path to the door used by clients to communicate with zoneadmd. 2087c478bd9Sstevel@tonic-gate */ 2097c478bd9Sstevel@tonic-gate #define ZONE_DOOR_PATH ZONES_TMPDIR "/%s.zoneadmd_door" 2107c478bd9Sstevel@tonic-gate 2117c478bd9Sstevel@tonic-gate #ifdef _KERNEL 2127c478bd9Sstevel@tonic-gate /* 2137c478bd9Sstevel@tonic-gate * We need to protect the definition of 'list_t' from userland applications and 2147c478bd9Sstevel@tonic-gate * libraries which may be defining ther own versions. 2157c478bd9Sstevel@tonic-gate */ 2167c478bd9Sstevel@tonic-gate #include <sys/list.h> 2177c478bd9Sstevel@tonic-gate 2187c478bd9Sstevel@tonic-gate #define GLOBAL_ZONEUNIQID 0 /* uniqid of the global zone */ 2197c478bd9Sstevel@tonic-gate 2207c478bd9Sstevel@tonic-gate /* zone_flags */ 2217c478bd9Sstevel@tonic-gate #define ZF_DESTROYED 0x1 /* ZSD destructor callbacks run */ 22248451833Scarlsonj #define ZF_HASHED_LABEL 0x2 /* zone has a unique label */ 22348451833Scarlsonj #define ZF_IS_SCRATCH 0x4 /* scratch zone */ 2247c478bd9Sstevel@tonic-gate 2257c478bd9Sstevel@tonic-gate struct pool; 2267c478bd9Sstevel@tonic-gate 227fa9e4066Sahrens /* 228fa9e4066Sahrens * Structure to record list of ZFS datasets exported to a zone. 229fa9e4066Sahrens */ 230fa9e4066Sahrens typedef struct zone_dataset { 231fa9e4066Sahrens char *zd_dataset; 232fa9e4066Sahrens list_node_t zd_linkage; 233fa9e4066Sahrens } zone_dataset_t; 234fa9e4066Sahrens 2357c478bd9Sstevel@tonic-gate typedef struct zone { 2367c478bd9Sstevel@tonic-gate /* 2377c478bd9Sstevel@tonic-gate * zone_name is never modified once set. 2387c478bd9Sstevel@tonic-gate */ 2397c478bd9Sstevel@tonic-gate char *zone_name; /* zone's configuration name */ 2407c478bd9Sstevel@tonic-gate /* 2417c478bd9Sstevel@tonic-gate * zone_nodename and zone_domain are never freed once allocated. 2427c478bd9Sstevel@tonic-gate */ 2437c478bd9Sstevel@tonic-gate char *zone_nodename; /* utsname.nodename equivalent */ 2447c478bd9Sstevel@tonic-gate char *zone_domain; /* srpc_domain equivalent */ 2457c478bd9Sstevel@tonic-gate /* 2467c478bd9Sstevel@tonic-gate * zone_lock protects the following fields of a zone_t: 2477c478bd9Sstevel@tonic-gate * zone_ref 2487c478bd9Sstevel@tonic-gate * zone_cred_ref 2497c478bd9Sstevel@tonic-gate * zone_ntasks 2507c478bd9Sstevel@tonic-gate * zone_flags 2517c478bd9Sstevel@tonic-gate * zone_zsd 2527c478bd9Sstevel@tonic-gate */ 2537c478bd9Sstevel@tonic-gate kmutex_t zone_lock; 2547c478bd9Sstevel@tonic-gate /* 2557c478bd9Sstevel@tonic-gate * zone_linkage is the zone's linkage into the active or 2567c478bd9Sstevel@tonic-gate * death-row list. The field is protected by zonehash_lock. 2577c478bd9Sstevel@tonic-gate */ 2587c478bd9Sstevel@tonic-gate list_node_t zone_linkage; 2597c478bd9Sstevel@tonic-gate zoneid_t zone_id; /* ID of zone */ 2607c478bd9Sstevel@tonic-gate uint_t zone_ref; /* count of zone_hold()s on zone */ 2617c478bd9Sstevel@tonic-gate uint_t zone_cred_ref; /* count of zone_hold_cred()s on zone */ 2627c478bd9Sstevel@tonic-gate /* 2637c478bd9Sstevel@tonic-gate * zone_rootvp and zone_rootpath can never be modified once set. 2647c478bd9Sstevel@tonic-gate */ 2657c478bd9Sstevel@tonic-gate struct vnode *zone_rootvp; /* zone's root vnode */ 2667c478bd9Sstevel@tonic-gate char *zone_rootpath; /* Path to zone's root + '/' */ 2677c478bd9Sstevel@tonic-gate ushort_t zone_flags; /* misc flags */ 2687c478bd9Sstevel@tonic-gate zone_status_t zone_status; /* protected by zone_status_lock */ 2697c478bd9Sstevel@tonic-gate uint_t zone_ntasks; /* number of tasks executing in zone */ 2707c478bd9Sstevel@tonic-gate kmutex_t zone_nlwps_lock; /* protects zone_nlwps, and *_nlwps */ 2717c478bd9Sstevel@tonic-gate /* counters in projects and tasks */ 2727c478bd9Sstevel@tonic-gate /* that are within the zone */ 2737c478bd9Sstevel@tonic-gate rctl_qty_t zone_nlwps; /* number of lwps in zone */ 2747c478bd9Sstevel@tonic-gate rctl_qty_t zone_nlwps_ctl; /* protected by zone_rctls->rcs_lock */ 275*824c205fSml93401 rctl_qty_t zone_shmmax; /* System V shared memory usage */ 276*824c205fSml93401 ipc_rqty_t zone_ipc; /* System V IPC id resource usage */ 2777c478bd9Sstevel@tonic-gate 2787c478bd9Sstevel@tonic-gate uint_t zone_rootpathlen; /* strlen(zone_rootpath) + 1 */ 2797c478bd9Sstevel@tonic-gate uint32_t zone_shares; /* FSS shares allocated to zone */ 2807c478bd9Sstevel@tonic-gate rctl_set_t *zone_rctls; /* zone-wide (zone.*) rctls */ 2817c478bd9Sstevel@tonic-gate list_t zone_zsd; /* list of Zone-Specific Data values */ 2827c478bd9Sstevel@tonic-gate kcondvar_t zone_cv; /* used to signal state changes */ 2837c478bd9Sstevel@tonic-gate struct proc *zone_zsched; /* Dummy kernel "zsched" process */ 2847c478bd9Sstevel@tonic-gate pid_t zone_proc_initpid; /* pid of "init" for this zone */ 2853f2f09c1Sdp char *zone_initname; /* fs path to 'init' */ 2867c478bd9Sstevel@tonic-gate int zone_boot_err; /* for zone_boot() if boot fails */ 2877c478bd9Sstevel@tonic-gate char *zone_bootargs; /* arguments passed via zone_boot() */ 2887c478bd9Sstevel@tonic-gate /* 2897c478bd9Sstevel@tonic-gate * zone_kthreads is protected by zone_status_lock. 2907c478bd9Sstevel@tonic-gate */ 2917c478bd9Sstevel@tonic-gate kthread_t *zone_kthreads; /* kernel threads in zone */ 2927c478bd9Sstevel@tonic-gate struct priv_set *zone_privset; /* limit set for zone */ 2937c478bd9Sstevel@tonic-gate /* 2947c478bd9Sstevel@tonic-gate * zone_vfslist is protected by vfs_list_lock(). 2957c478bd9Sstevel@tonic-gate */ 2967c478bd9Sstevel@tonic-gate struct vfs *zone_vfslist; /* list of FS's mounted in zone */ 2977c478bd9Sstevel@tonic-gate uint64_t zone_uniqid; /* unique zone generation number */ 2987c478bd9Sstevel@tonic-gate struct cred *zone_kcred; /* kcred-like, zone-limited cred */ 2997c478bd9Sstevel@tonic-gate /* 3007c478bd9Sstevel@tonic-gate * zone_pool is protected by pool_lock(). 3017c478bd9Sstevel@tonic-gate */ 3027c478bd9Sstevel@tonic-gate struct pool *zone_pool; /* pool the zone is bound to */ 3037c478bd9Sstevel@tonic-gate hrtime_t zone_pool_mod; /* last pool bind modification time */ 3047c478bd9Sstevel@tonic-gate /* zone_psetid is protected by cpu_lock */ 3057c478bd9Sstevel@tonic-gate psetid_t zone_psetid; /* pset the zone is bound to */ 3067c478bd9Sstevel@tonic-gate /* 3077c478bd9Sstevel@tonic-gate * The following two can be read without holding any locks. They are 3087c478bd9Sstevel@tonic-gate * updated under cpu_lock. 3097c478bd9Sstevel@tonic-gate */ 3107c478bd9Sstevel@tonic-gate int zone_ncpus; /* zone's idea of ncpus */ 3117c478bd9Sstevel@tonic-gate int zone_ncpus_online; /* zone's idea of ncpus_online */ 312fa9e4066Sahrens /* 313fa9e4066Sahrens * List of ZFS datasets exported to this zone. 314fa9e4066Sahrens */ 315fa9e4066Sahrens list_t zone_datasets; /* list of datasets */ 31645916cd2Sjpk 31742bc57c4Srica ts_label_t *zone_slabel; /* zone sensitivity label */ 31842bc57c4Srica int zone_match; /* require label match for packets */ 31945916cd2Sjpk tsol_mlp_list_t zone_mlps; /* MLPs on zone-private addresses */ 3203f2f09c1Sdp 3217c478bd9Sstevel@tonic-gate } zone_t; 3227c478bd9Sstevel@tonic-gate 3237c478bd9Sstevel@tonic-gate /* 3247c478bd9Sstevel@tonic-gate * Special value of zone_psetid to indicate that pools are disabled. 3257c478bd9Sstevel@tonic-gate */ 3267c478bd9Sstevel@tonic-gate #define ZONE_PS_INVAL PS_MYID 3277c478bd9Sstevel@tonic-gate 3287c478bd9Sstevel@tonic-gate extern zone_t zone0; 3297c478bd9Sstevel@tonic-gate extern zone_t *global_zone; 3307c478bd9Sstevel@tonic-gate extern uint_t maxzones; 3317c478bd9Sstevel@tonic-gate extern rctl_hndl_t rc_zone_nlwps; 3327c478bd9Sstevel@tonic-gate 3337c478bd9Sstevel@tonic-gate extern const char * const zone_initname; 3347c478bd9Sstevel@tonic-gate 335fa9e4066Sahrens extern long zone(int, void *, void *, void *, void *); 3367c478bd9Sstevel@tonic-gate extern void zone_zsd_init(void); 3377c478bd9Sstevel@tonic-gate extern void zone_init(void); 3387c478bd9Sstevel@tonic-gate extern void zone_hold(zone_t *); 3397c478bd9Sstevel@tonic-gate extern void zone_rele(zone_t *); 3407c478bd9Sstevel@tonic-gate extern void zone_cred_hold(zone_t *); 3417c478bd9Sstevel@tonic-gate extern void zone_cred_rele(zone_t *); 3427c478bd9Sstevel@tonic-gate extern void zone_task_hold(zone_t *); 3437c478bd9Sstevel@tonic-gate extern void zone_task_rele(zone_t *); 3447c478bd9Sstevel@tonic-gate extern zone_t *zone_find_by_id(zoneid_t); 34545916cd2Sjpk extern zone_t *zone_find_by_label(const ts_label_t *); 3467c478bd9Sstevel@tonic-gate extern zone_t *zone_find_by_name(char *); 34745916cd2Sjpk extern zone_t *zone_find_by_any_path(const char *, boolean_t); 34848451833Scarlsonj extern zone_t *zone_find_by_path(const char *); 3497c478bd9Sstevel@tonic-gate extern zoneid_t getzoneid(void); 3507c478bd9Sstevel@tonic-gate 3517c478bd9Sstevel@tonic-gate /* 3527c478bd9Sstevel@tonic-gate * Zone-specific data (ZSD) APIs 3537c478bd9Sstevel@tonic-gate */ 3547c478bd9Sstevel@tonic-gate /* 3557c478bd9Sstevel@tonic-gate * The following is what code should be initializing its zone_key_t to if it 3567c478bd9Sstevel@tonic-gate * calls zone_getspecific() without necessarily knowing that zone_key_create() 3577c478bd9Sstevel@tonic-gate * has been called on the key. 3587c478bd9Sstevel@tonic-gate */ 3597c478bd9Sstevel@tonic-gate #define ZONE_KEY_UNINITIALIZED 0 3607c478bd9Sstevel@tonic-gate 3617c478bd9Sstevel@tonic-gate typedef uint_t zone_key_t; 3627c478bd9Sstevel@tonic-gate 3637c478bd9Sstevel@tonic-gate extern void zone_key_create(zone_key_t *, void *(*)(zoneid_t), 3647c478bd9Sstevel@tonic-gate void (*)(zoneid_t, void *), void (*)(zoneid_t, void *)); 3657c478bd9Sstevel@tonic-gate extern int zone_key_delete(zone_key_t); 3667c478bd9Sstevel@tonic-gate extern void *zone_getspecific(zone_key_t, zone_t *); 3677c478bd9Sstevel@tonic-gate extern int zone_setspecific(zone_key_t, zone_t *, const void *); 3687c478bd9Sstevel@tonic-gate 3697c478bd9Sstevel@tonic-gate /* 3707c478bd9Sstevel@tonic-gate * The definition of a zsd_entry is truly private to zone.c and is only 3717c478bd9Sstevel@tonic-gate * placed here so it can be shared with mdb. 3727c478bd9Sstevel@tonic-gate */ 3737c478bd9Sstevel@tonic-gate struct zsd_entry { 3747c478bd9Sstevel@tonic-gate zone_key_t zsd_key; /* Key used to lookup value */ 3757c478bd9Sstevel@tonic-gate void *zsd_data; /* Caller-managed value */ 3767c478bd9Sstevel@tonic-gate /* 3777c478bd9Sstevel@tonic-gate * Callbacks to be executed when a zone is created, shutdown, and 3787c478bd9Sstevel@tonic-gate * destroyed, respectively. 3797c478bd9Sstevel@tonic-gate */ 3807c478bd9Sstevel@tonic-gate void *(*zsd_create)(zoneid_t); 3817c478bd9Sstevel@tonic-gate void (*zsd_shutdown)(zoneid_t, void *); 3827c478bd9Sstevel@tonic-gate void (*zsd_destroy)(zoneid_t, void *); 3837c478bd9Sstevel@tonic-gate list_node_t zsd_linkage; 3847c478bd9Sstevel@tonic-gate }; 3857c478bd9Sstevel@tonic-gate 3867c478bd9Sstevel@tonic-gate /* 3877c478bd9Sstevel@tonic-gate * Macros to help with zone visibility restrictions. 3887c478bd9Sstevel@tonic-gate */ 3897c478bd9Sstevel@tonic-gate 3907c478bd9Sstevel@tonic-gate /* 3917c478bd9Sstevel@tonic-gate * Is process in the global zone? 3927c478bd9Sstevel@tonic-gate */ 3937c478bd9Sstevel@tonic-gate #define INGLOBALZONE(p) \ 3947c478bd9Sstevel@tonic-gate ((p)->p_zone == global_zone) 3957c478bd9Sstevel@tonic-gate 3967c478bd9Sstevel@tonic-gate /* 3977c478bd9Sstevel@tonic-gate * Can process view objects in given zone? 3987c478bd9Sstevel@tonic-gate */ 3997c478bd9Sstevel@tonic-gate #define HASZONEACCESS(p, zoneid) \ 4007c478bd9Sstevel@tonic-gate ((p)->p_zone->zone_id == (zoneid) || INGLOBALZONE(p)) 4017c478bd9Sstevel@tonic-gate 4027c478bd9Sstevel@tonic-gate /* 4037c478bd9Sstevel@tonic-gate * Convenience macro to see if a resolved path is visible from within a 4047c478bd9Sstevel@tonic-gate * given zone. 4057c478bd9Sstevel@tonic-gate * 4067c478bd9Sstevel@tonic-gate * The basic idea is that the first (zone_rootpathlen - 1) bytes of the 4077c478bd9Sstevel@tonic-gate * two strings must be equal. Since the rootpathlen has a trailing '/', 4087c478bd9Sstevel@tonic-gate * we want to skip everything in the path up to (but not including) the 4097c478bd9Sstevel@tonic-gate * trailing '/'. 4107c478bd9Sstevel@tonic-gate */ 4117c478bd9Sstevel@tonic-gate #define ZONE_PATH_VISIBLE(path, zone) \ 4127c478bd9Sstevel@tonic-gate (strncmp((path), (zone)->zone_rootpath, \ 4137c478bd9Sstevel@tonic-gate (zone)->zone_rootpathlen - 1) == 0) 4147c478bd9Sstevel@tonic-gate 4157c478bd9Sstevel@tonic-gate /* 4167c478bd9Sstevel@tonic-gate * Convenience macro to go from the global view of a path to that seen 4177c478bd9Sstevel@tonic-gate * from within said zone. It is the responsibility of the caller to 4187c478bd9Sstevel@tonic-gate * ensure that the path is a resolved one (ie, no '..'s or '.'s), and is 4197c478bd9Sstevel@tonic-gate * in fact visible from within the zone. 4207c478bd9Sstevel@tonic-gate */ 4217c478bd9Sstevel@tonic-gate #define ZONE_PATH_TRANSLATE(path, zone) \ 4227c478bd9Sstevel@tonic-gate (ASSERT(ZONE_PATH_VISIBLE(path, zone)), \ 4237c478bd9Sstevel@tonic-gate (path) + (zone)->zone_rootpathlen - 2) 4247c478bd9Sstevel@tonic-gate 4257c478bd9Sstevel@tonic-gate /* 4267c478bd9Sstevel@tonic-gate * Special processes visible in all zones. 4277c478bd9Sstevel@tonic-gate */ 4287c478bd9Sstevel@tonic-gate #define ZONE_SPECIALPID(x) ((x) == 0 || (x) == 1) 4297c478bd9Sstevel@tonic-gate 4307c478bd9Sstevel@tonic-gate /* 4317c478bd9Sstevel@tonic-gate * Zone-safe version of thread_create() to be used when the caller wants to 4327c478bd9Sstevel@tonic-gate * create a kernel thread to run within the current zone's context. 4337c478bd9Sstevel@tonic-gate */ 4347c478bd9Sstevel@tonic-gate extern kthread_t *zthread_create(caddr_t, size_t, void (*)(), void *, size_t, 4357c478bd9Sstevel@tonic-gate pri_t); 4367c478bd9Sstevel@tonic-gate extern void zthread_exit(void); 4377c478bd9Sstevel@tonic-gate 4387c478bd9Sstevel@tonic-gate /* 4397c478bd9Sstevel@tonic-gate * Functions for an external observer to register interest in a zone's status 4407c478bd9Sstevel@tonic-gate * change. Observers will be woken up when the zone status equals the status 4417c478bd9Sstevel@tonic-gate * argument passed in (in the case of zone_status_timedwait, the function may 4427c478bd9Sstevel@tonic-gate * also return because of a timeout; zone_status_wait_sig may return early due 4437c478bd9Sstevel@tonic-gate * to a signal being delivered; zone_status_timedwait_sig may return for any of 4447c478bd9Sstevel@tonic-gate * the above reasons). 4457c478bd9Sstevel@tonic-gate * 4467c478bd9Sstevel@tonic-gate * Otherwise these behave identically to cv_timedwait(), cv_wait(), and 4477c478bd9Sstevel@tonic-gate * cv_wait_sig() respectively. 4487c478bd9Sstevel@tonic-gate */ 4497c478bd9Sstevel@tonic-gate extern clock_t zone_status_timedwait(zone_t *, clock_t, zone_status_t); 4507c478bd9Sstevel@tonic-gate extern clock_t zone_status_timedwait_sig(zone_t *, clock_t, zone_status_t); 4517c478bd9Sstevel@tonic-gate extern void zone_status_wait(zone_t *, zone_status_t); 4527c478bd9Sstevel@tonic-gate extern int zone_status_wait_sig(zone_t *, zone_status_t); 4537c478bd9Sstevel@tonic-gate 4547c478bd9Sstevel@tonic-gate /* 4557c478bd9Sstevel@tonic-gate * Get the status of the zone (at the time it was called). The state may 4567c478bd9Sstevel@tonic-gate * have progressed by the time it is returned. 4577c478bd9Sstevel@tonic-gate */ 4587c478bd9Sstevel@tonic-gate extern zone_status_t zone_status_get(zone_t *); 4597c478bd9Sstevel@tonic-gate 4607c478bd9Sstevel@tonic-gate /* 4617c478bd9Sstevel@tonic-gate * Get the "kcred" credentials corresponding to the given zone. 4627c478bd9Sstevel@tonic-gate */ 4637c478bd9Sstevel@tonic-gate extern struct cred *zone_get_kcred(zoneid_t); 4647c478bd9Sstevel@tonic-gate 4657c478bd9Sstevel@tonic-gate /* 4667c478bd9Sstevel@tonic-gate * Get/set the pool the zone is currently bound to. 4677c478bd9Sstevel@tonic-gate */ 4687c478bd9Sstevel@tonic-gate extern struct pool *zone_pool_get(zone_t *); 4697c478bd9Sstevel@tonic-gate extern void zone_pool_set(zone_t *, struct pool *); 4707c478bd9Sstevel@tonic-gate 4717c478bd9Sstevel@tonic-gate /* 4727c478bd9Sstevel@tonic-gate * Get/set the pset the zone is currently using. 4737c478bd9Sstevel@tonic-gate */ 4747c478bd9Sstevel@tonic-gate extern psetid_t zone_pset_get(zone_t *); 4757c478bd9Sstevel@tonic-gate extern void zone_pset_set(zone_t *, psetid_t); 4767c478bd9Sstevel@tonic-gate 4777c478bd9Sstevel@tonic-gate /* 4787c478bd9Sstevel@tonic-gate * Get the number of cpus/online-cpus visible from the given zone. 4797c478bd9Sstevel@tonic-gate */ 4807c478bd9Sstevel@tonic-gate extern int zone_ncpus_get(zone_t *); 4817c478bd9Sstevel@tonic-gate extern int zone_ncpus_online_get(zone_t *); 4827c478bd9Sstevel@tonic-gate 4837c478bd9Sstevel@tonic-gate /* 484fa9e4066Sahrens * Returns true if the named pool/dataset is visible in the current zone. 485fa9e4066Sahrens */ 486fa9e4066Sahrens extern int zone_dataset_visible(const char *, int *); 487fa9e4066Sahrens 488fa9e4066Sahrens /* 4893f2f09c1Sdp * zone version of kadmin() 4907c478bd9Sstevel@tonic-gate */ 4913f2f09c1Sdp extern int zone_kadmin(int, int, const char *, cred_t *); 4927c478bd9Sstevel@tonic-gate extern void zone_shutdown_global(void); 4937c478bd9Sstevel@tonic-gate 4947c478bd9Sstevel@tonic-gate extern void mount_in_progress(void); 4957c478bd9Sstevel@tonic-gate extern void mount_completed(void); 4967c478bd9Sstevel@tonic-gate 4977c478bd9Sstevel@tonic-gate extern int zone_walk(int (*)(zone_t *, void *), void *); 4987c478bd9Sstevel@tonic-gate 4997c478bd9Sstevel@tonic-gate #endif /* _KERNEL */ 5007c478bd9Sstevel@tonic-gate 5017c478bd9Sstevel@tonic-gate #ifdef __cplusplus 5027c478bd9Sstevel@tonic-gate } 5037c478bd9Sstevel@tonic-gate #endif 5047c478bd9Sstevel@tonic-gate 5057c478bd9Sstevel@tonic-gate #endif /* _SYS_ZONE_H */ 506