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 57c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 67c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 77c478bd9Sstevel@tonic-gate * with the License. 87c478bd9Sstevel@tonic-gate * 97c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 107c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 117c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 127c478bd9Sstevel@tonic-gate * and limitations under the License. 137c478bd9Sstevel@tonic-gate * 147c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 157c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 167c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 177c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 187c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 197c478bd9Sstevel@tonic-gate * 207c478bd9Sstevel@tonic-gate * CDDL HEADER END 217c478bd9Sstevel@tonic-gate */ 227c478bd9Sstevel@tonic-gate /* 237c478bd9Sstevel@tonic-gate * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 247c478bd9Sstevel@tonic-gate * Use is subject to license terms. 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 #pragma ident "%Z%%M% %I% %E% SMI" 317c478bd9Sstevel@tonic-gate 327c478bd9Sstevel@tonic-gate #include <sys/types.h> 337c478bd9Sstevel@tonic-gate #include <sys/mutex.h> 347c478bd9Sstevel@tonic-gate #include <sys/param.h> 357c478bd9Sstevel@tonic-gate #include <sys/rctl.h> 367c478bd9Sstevel@tonic-gate #include <sys/pset.h> 377c478bd9Sstevel@tonic-gate 387c478bd9Sstevel@tonic-gate #ifdef __cplusplus 397c478bd9Sstevel@tonic-gate extern "C" { 407c478bd9Sstevel@tonic-gate #endif 417c478bd9Sstevel@tonic-gate 427c478bd9Sstevel@tonic-gate /* 437c478bd9Sstevel@tonic-gate * NOTE 447c478bd9Sstevel@tonic-gate * 457c478bd9Sstevel@tonic-gate * The contents of this file are private to the implementation of 467c478bd9Sstevel@tonic-gate * Solaris and are subject to change at any time without notice. 477c478bd9Sstevel@tonic-gate * Applications and drivers using these interfaces may fail to 487c478bd9Sstevel@tonic-gate * run on future releases. 497c478bd9Sstevel@tonic-gate */ 507c478bd9Sstevel@tonic-gate 517c478bd9Sstevel@tonic-gate /* Available both in kernel and for user space */ 527c478bd9Sstevel@tonic-gate 537c478bd9Sstevel@tonic-gate /* zone id restrictions and special ids */ 547c478bd9Sstevel@tonic-gate #define MAX_ZONEID 9999 557c478bd9Sstevel@tonic-gate #define MIN_USERZONEID 1 /* lowest user-creatable zone ID */ 567c478bd9Sstevel@tonic-gate #define MIN_ZONEID 0 /* minimum zone ID on system */ 577c478bd9Sstevel@tonic-gate #define GLOBAL_ZONEID 0 587c478bd9Sstevel@tonic-gate #define ZONEID_WIDTH 4 /* for printf */ 597c478bd9Sstevel@tonic-gate 607c478bd9Sstevel@tonic-gate /* system call subcodes */ 617c478bd9Sstevel@tonic-gate #define ZONE_CREATE 0 627c478bd9Sstevel@tonic-gate #define ZONE_DESTROY 1 637c478bd9Sstevel@tonic-gate #define ZONE_GETATTR 2 647c478bd9Sstevel@tonic-gate #define ZONE_ENTER 3 657c478bd9Sstevel@tonic-gate #define ZONE_LIST 4 667c478bd9Sstevel@tonic-gate #define ZONE_SHUTDOWN 5 677c478bd9Sstevel@tonic-gate #define ZONE_LOOKUP 6 687c478bd9Sstevel@tonic-gate #define ZONE_BOOT 7 69*821c4a97Sdp #define ZONE_VERSION 8 707c478bd9Sstevel@tonic-gate 717c478bd9Sstevel@tonic-gate /* zone attributes */ 727c478bd9Sstevel@tonic-gate #define ZONE_ATTR_ROOT 1 737c478bd9Sstevel@tonic-gate #define ZONE_ATTR_NAME 2 747c478bd9Sstevel@tonic-gate #define ZONE_ATTR_STATUS 3 757c478bd9Sstevel@tonic-gate #define ZONE_ATTR_PRIVSET 4 767c478bd9Sstevel@tonic-gate #define ZONE_ATTR_UNIQID 5 777c478bd9Sstevel@tonic-gate #define ZONE_ATTR_POOLID 6 787c478bd9Sstevel@tonic-gate #define ZONE_ATTR_INITPID 7 797c478bd9Sstevel@tonic-gate 807c478bd9Sstevel@tonic-gate #ifdef _SYSCALL32 817c478bd9Sstevel@tonic-gate typedef struct { 827c478bd9Sstevel@tonic-gate caddr32_t zone_name; 837c478bd9Sstevel@tonic-gate caddr32_t zone_root; 847c478bd9Sstevel@tonic-gate caddr32_t zone_privs; 85*821c4a97Sdp size32_t zone_privssz; 867c478bd9Sstevel@tonic-gate caddr32_t rctlbuf; 877c478bd9Sstevel@tonic-gate size32_t rctlbufsz; 887c478bd9Sstevel@tonic-gate caddr32_t extended_error; 89fa9e4066Sahrens caddr32_t zfsbuf; 90fa9e4066Sahrens size32_t zfsbufsz; 917c478bd9Sstevel@tonic-gate } zone_def32; 927c478bd9Sstevel@tonic-gate #endif 937c478bd9Sstevel@tonic-gate typedef struct { 947c478bd9Sstevel@tonic-gate const char *zone_name; 957c478bd9Sstevel@tonic-gate const char *zone_root; 967c478bd9Sstevel@tonic-gate const struct priv_set *zone_privs; 97*821c4a97Sdp size_t zone_privssz; 987c478bd9Sstevel@tonic-gate const char *rctlbuf; 997c478bd9Sstevel@tonic-gate size_t rctlbufsz; 1007c478bd9Sstevel@tonic-gate int *extended_error; 101fa9e4066Sahrens const char *zfsbuf; 102fa9e4066Sahrens size_t zfsbufsz; 1037c478bd9Sstevel@tonic-gate } zone_def; 1047c478bd9Sstevel@tonic-gate 1057c478bd9Sstevel@tonic-gate /* extended error information */ 1067c478bd9Sstevel@tonic-gate #define ZE_UNKNOWN 0 /* No extended error info */ 1077c478bd9Sstevel@tonic-gate #define ZE_CHROOTED 1 /* tried to zone_create from chroot */ 1087c478bd9Sstevel@tonic-gate #define ZE_AREMOUNTS 2 /* there are mounts within the zone */ 1097c478bd9Sstevel@tonic-gate 1107c478bd9Sstevel@tonic-gate /* zone_status */ 1117c478bd9Sstevel@tonic-gate typedef enum { 1127c478bd9Sstevel@tonic-gate ZONE_IS_UNINITIALIZED = 0, 1137c478bd9Sstevel@tonic-gate ZONE_IS_READY, 1147c478bd9Sstevel@tonic-gate ZONE_IS_BOOTING, 1157c478bd9Sstevel@tonic-gate ZONE_IS_RUNNING, 1167c478bd9Sstevel@tonic-gate ZONE_IS_SHUTTING_DOWN, 1177c478bd9Sstevel@tonic-gate ZONE_IS_EMPTY, 1187c478bd9Sstevel@tonic-gate ZONE_IS_DOWN, 1197c478bd9Sstevel@tonic-gate ZONE_IS_DYING, 1207c478bd9Sstevel@tonic-gate ZONE_IS_DEAD 1217c478bd9Sstevel@tonic-gate } zone_status_t; 1227c478bd9Sstevel@tonic-gate #define ZONE_MIN_STATE ZONE_IS_UNINITIALIZED 1237c478bd9Sstevel@tonic-gate #define ZONE_MAX_STATE ZONE_IS_DEAD 1247c478bd9Sstevel@tonic-gate 1257c478bd9Sstevel@tonic-gate /* 1267c478bd9Sstevel@tonic-gate * Valid commands which may be issued by zoneadm to zoneadmd. The kernel also 1277c478bd9Sstevel@tonic-gate * communicates with zoneadmd, but only uses Z_REBOOT and Z_HALT. 1287c478bd9Sstevel@tonic-gate */ 1297c478bd9Sstevel@tonic-gate typedef enum zone_cmd { 130108322fbScarlsonj Z_READY, Z_BOOT, Z_REBOOT, Z_HALT, Z_NOTE_UNINSTALLING, 131108322fbScarlsonj Z_MOUNT, Z_UNMOUNT 1327c478bd9Sstevel@tonic-gate } zone_cmd_t; 1337c478bd9Sstevel@tonic-gate 1347c478bd9Sstevel@tonic-gate #define ZONEBOOTARGS_MAX 257 /* uadmin()'s buffer is 257 bytes. */ 1357c478bd9Sstevel@tonic-gate 1367c478bd9Sstevel@tonic-gate /* 1377c478bd9Sstevel@tonic-gate * The structure of a request to zoneadmd. 1387c478bd9Sstevel@tonic-gate */ 1397c478bd9Sstevel@tonic-gate typedef struct zone_cmd_arg { 1407c478bd9Sstevel@tonic-gate uint64_t uniqid; /* unique "generation number" */ 1417c478bd9Sstevel@tonic-gate zone_cmd_t cmd; /* requested action */ 1427c478bd9Sstevel@tonic-gate char locale[MAXPATHLEN]; /* locale in which to render messages */ 1437c478bd9Sstevel@tonic-gate char bootbuf[ZONEBOOTARGS_MAX]; /* arguments passed to zone_boot() */ 1447c478bd9Sstevel@tonic-gate } zone_cmd_arg_t; 1457c478bd9Sstevel@tonic-gate 1467c478bd9Sstevel@tonic-gate /* 1477c478bd9Sstevel@tonic-gate * Structure of zoneadmd's response to a request. A NULL return value means 1487c478bd9Sstevel@tonic-gate * the caller should attempt to restart zoneadmd and retry. 1497c478bd9Sstevel@tonic-gate */ 1507c478bd9Sstevel@tonic-gate typedef struct zone_cmd_rval { 1517c478bd9Sstevel@tonic-gate int rval; /* return value of request */ 1527c478bd9Sstevel@tonic-gate char errbuf[1]; /* variable-sized buffer containing error messages */ 1537c478bd9Sstevel@tonic-gate } zone_cmd_rval_t; 1547c478bd9Sstevel@tonic-gate 1557c478bd9Sstevel@tonic-gate /* 1567c478bd9Sstevel@tonic-gate * The zone support infrastructure uses the zone name as a component 1577c478bd9Sstevel@tonic-gate * of unix domain (AF_UNIX) sockets, which are limited to 108 characters 1587c478bd9Sstevel@tonic-gate * in length, so ZONENAME_MAX is limited by that. 1597c478bd9Sstevel@tonic-gate */ 1607c478bd9Sstevel@tonic-gate #define ZONENAME_MAX 64 1617c478bd9Sstevel@tonic-gate 1627c478bd9Sstevel@tonic-gate #define GLOBAL_ZONENAME "global" 1637c478bd9Sstevel@tonic-gate 1647c478bd9Sstevel@tonic-gate /* 1657c478bd9Sstevel@tonic-gate * Extended Regular expression (see regex(5)) which matches all valid zone 1667c478bd9Sstevel@tonic-gate * names. 1677c478bd9Sstevel@tonic-gate */ 1687c478bd9Sstevel@tonic-gate #define ZONENAME_REGEXP "[a-zA-Z0-9][-_.a-zA-Z0-9]{0,62}" 1697c478bd9Sstevel@tonic-gate 1707c478bd9Sstevel@tonic-gate /* 1717c478bd9Sstevel@tonic-gate * Where the zones support infrastructure places temporary files. 1727c478bd9Sstevel@tonic-gate */ 1737c478bd9Sstevel@tonic-gate #define ZONES_TMPDIR "/var/run/zones" 1747c478bd9Sstevel@tonic-gate 1757c478bd9Sstevel@tonic-gate /* 1767c478bd9Sstevel@tonic-gate * The path to the door used by clients to communicate with zoneadmd. 1777c478bd9Sstevel@tonic-gate */ 1787c478bd9Sstevel@tonic-gate #define ZONE_DOOR_PATH ZONES_TMPDIR "/%s.zoneadmd_door" 1797c478bd9Sstevel@tonic-gate 1807c478bd9Sstevel@tonic-gate 1817c478bd9Sstevel@tonic-gate #ifdef _KERNEL 1827c478bd9Sstevel@tonic-gate /* 1837c478bd9Sstevel@tonic-gate * We need to protect the definition of 'list_t' from userland applications and 1847c478bd9Sstevel@tonic-gate * libraries which may be defining ther own versions. 1857c478bd9Sstevel@tonic-gate */ 1867c478bd9Sstevel@tonic-gate #include <sys/list.h> 1877c478bd9Sstevel@tonic-gate 1887c478bd9Sstevel@tonic-gate #define GLOBAL_ZONEUNIQID 0 /* uniqid of the global zone */ 1897c478bd9Sstevel@tonic-gate 1907c478bd9Sstevel@tonic-gate /* zone_flags */ 1917c478bd9Sstevel@tonic-gate #define ZF_DESTROYED 0x1 /* ZSD destructor callbacks run */ 1927c478bd9Sstevel@tonic-gate 1937c478bd9Sstevel@tonic-gate struct pool; 1947c478bd9Sstevel@tonic-gate 195fa9e4066Sahrens /* 196fa9e4066Sahrens * Structure to record list of ZFS datasets exported to a zone. 197fa9e4066Sahrens */ 198fa9e4066Sahrens typedef struct zone_dataset { 199fa9e4066Sahrens char *zd_dataset; 200fa9e4066Sahrens list_node_t zd_linkage; 201fa9e4066Sahrens } zone_dataset_t; 202fa9e4066Sahrens 2037c478bd9Sstevel@tonic-gate typedef struct zone { 2047c478bd9Sstevel@tonic-gate /* 2057c478bd9Sstevel@tonic-gate * zone_name is never modified once set. 2067c478bd9Sstevel@tonic-gate */ 2077c478bd9Sstevel@tonic-gate char *zone_name; /* zone's configuration name */ 2087c478bd9Sstevel@tonic-gate /* 2097c478bd9Sstevel@tonic-gate * zone_nodename and zone_domain are never freed once allocated. 2107c478bd9Sstevel@tonic-gate */ 2117c478bd9Sstevel@tonic-gate char *zone_nodename; /* utsname.nodename equivalent */ 2127c478bd9Sstevel@tonic-gate char *zone_domain; /* srpc_domain equivalent */ 2137c478bd9Sstevel@tonic-gate /* 2147c478bd9Sstevel@tonic-gate * zone_lock protects the following fields of a zone_t: 2157c478bd9Sstevel@tonic-gate * zone_ref 2167c478bd9Sstevel@tonic-gate * zone_cred_ref 2177c478bd9Sstevel@tonic-gate * zone_ntasks 2187c478bd9Sstevel@tonic-gate * zone_flags 2197c478bd9Sstevel@tonic-gate * zone_zsd 2207c478bd9Sstevel@tonic-gate */ 2217c478bd9Sstevel@tonic-gate kmutex_t zone_lock; 2227c478bd9Sstevel@tonic-gate /* 2237c478bd9Sstevel@tonic-gate * zone_linkage is the zone's linkage into the active or 2247c478bd9Sstevel@tonic-gate * death-row list. The field is protected by zonehash_lock. 2257c478bd9Sstevel@tonic-gate */ 2267c478bd9Sstevel@tonic-gate list_node_t zone_linkage; 2277c478bd9Sstevel@tonic-gate zoneid_t zone_id; /* ID of zone */ 2287c478bd9Sstevel@tonic-gate uint_t zone_ref; /* count of zone_hold()s on zone */ 2297c478bd9Sstevel@tonic-gate uint_t zone_cred_ref; /* count of zone_hold_cred()s on zone */ 2307c478bd9Sstevel@tonic-gate /* 2317c478bd9Sstevel@tonic-gate * zone_rootvp and zone_rootpath can never be modified once set. 2327c478bd9Sstevel@tonic-gate */ 2337c478bd9Sstevel@tonic-gate struct vnode *zone_rootvp; /* zone's root vnode */ 2347c478bd9Sstevel@tonic-gate char *zone_rootpath; /* Path to zone's root + '/' */ 2357c478bd9Sstevel@tonic-gate ushort_t zone_flags; /* misc flags */ 2367c478bd9Sstevel@tonic-gate zone_status_t zone_status; /* protected by zone_status_lock */ 2377c478bd9Sstevel@tonic-gate uint_t zone_ntasks; /* number of tasks executing in zone */ 2387c478bd9Sstevel@tonic-gate kmutex_t zone_nlwps_lock; /* protects zone_nlwps, and *_nlwps */ 2397c478bd9Sstevel@tonic-gate /* counters in projects and tasks */ 2407c478bd9Sstevel@tonic-gate /* that are within the zone */ 2417c478bd9Sstevel@tonic-gate rctl_qty_t zone_nlwps; /* number of lwps in zone */ 2427c478bd9Sstevel@tonic-gate rctl_qty_t zone_nlwps_ctl; /* protected by zone_rctls->rcs_lock */ 2437c478bd9Sstevel@tonic-gate 2447c478bd9Sstevel@tonic-gate uint_t zone_rootpathlen; /* strlen(zone_rootpath) + 1 */ 2457c478bd9Sstevel@tonic-gate uint32_t zone_shares; /* FSS shares allocated to zone */ 2467c478bd9Sstevel@tonic-gate rctl_set_t *zone_rctls; /* zone-wide (zone.*) rctls */ 2477c478bd9Sstevel@tonic-gate list_t zone_zsd; /* list of Zone-Specific Data values */ 2487c478bd9Sstevel@tonic-gate kcondvar_t zone_cv; /* used to signal state changes */ 2497c478bd9Sstevel@tonic-gate struct proc *zone_zsched; /* Dummy kernel "zsched" process */ 2507c478bd9Sstevel@tonic-gate pid_t zone_proc_initpid; /* pid of "init" for this zone */ 2517c478bd9Sstevel@tonic-gate int zone_boot_err; /* for zone_boot() if boot fails */ 2527c478bd9Sstevel@tonic-gate char *zone_bootargs; /* arguments passed via zone_boot() */ 2537c478bd9Sstevel@tonic-gate /* 2547c478bd9Sstevel@tonic-gate * zone_kthreads is protected by zone_status_lock. 2557c478bd9Sstevel@tonic-gate */ 2567c478bd9Sstevel@tonic-gate kthread_t *zone_kthreads; /* kernel threads in zone */ 2577c478bd9Sstevel@tonic-gate struct priv_set *zone_privset; /* limit set for zone */ 2587c478bd9Sstevel@tonic-gate /* 2597c478bd9Sstevel@tonic-gate * zone_vfslist is protected by vfs_list_lock(). 2607c478bd9Sstevel@tonic-gate */ 2617c478bd9Sstevel@tonic-gate struct vfs *zone_vfslist; /* list of FS's mounted in zone */ 2627c478bd9Sstevel@tonic-gate uint64_t zone_uniqid; /* unique zone generation number */ 2637c478bd9Sstevel@tonic-gate struct cred *zone_kcred; /* kcred-like, zone-limited cred */ 2647c478bd9Sstevel@tonic-gate /* 2657c478bd9Sstevel@tonic-gate * zone_pool is protected by pool_lock(). 2667c478bd9Sstevel@tonic-gate */ 2677c478bd9Sstevel@tonic-gate struct pool *zone_pool; /* pool the zone is bound to */ 2687c478bd9Sstevel@tonic-gate hrtime_t zone_pool_mod; /* last pool bind modification time */ 2697c478bd9Sstevel@tonic-gate /* zone_psetid is protected by cpu_lock */ 2707c478bd9Sstevel@tonic-gate psetid_t zone_psetid; /* pset the zone is bound to */ 2717c478bd9Sstevel@tonic-gate /* 2727c478bd9Sstevel@tonic-gate * The following two can be read without holding any locks. They are 2737c478bd9Sstevel@tonic-gate * updated under cpu_lock. 2747c478bd9Sstevel@tonic-gate */ 2757c478bd9Sstevel@tonic-gate int zone_ncpus; /* zone's idea of ncpus */ 2767c478bd9Sstevel@tonic-gate int zone_ncpus_online; /* zone's idea of ncpus_online */ 277fa9e4066Sahrens /* 278fa9e4066Sahrens * List of ZFS datasets exported to this zone. 279fa9e4066Sahrens */ 280fa9e4066Sahrens list_t zone_datasets; /* list of datasets */ 2817c478bd9Sstevel@tonic-gate } zone_t; 2827c478bd9Sstevel@tonic-gate 2837c478bd9Sstevel@tonic-gate /* 2847c478bd9Sstevel@tonic-gate * Special value of zone_psetid to indicate that pools are disabled. 2857c478bd9Sstevel@tonic-gate */ 2867c478bd9Sstevel@tonic-gate #define ZONE_PS_INVAL PS_MYID 2877c478bd9Sstevel@tonic-gate 2887c478bd9Sstevel@tonic-gate extern zone_t zone0; 2897c478bd9Sstevel@tonic-gate extern zone_t *global_zone; 2907c478bd9Sstevel@tonic-gate extern uint_t maxzones; 2917c478bd9Sstevel@tonic-gate extern rctl_hndl_t rc_zone_nlwps; 2927c478bd9Sstevel@tonic-gate 2937c478bd9Sstevel@tonic-gate extern const char * const zone_initname; 2947c478bd9Sstevel@tonic-gate 295fa9e4066Sahrens extern long zone(int, void *, void *, void *, void *); 2967c478bd9Sstevel@tonic-gate extern void zone_zsd_init(void); 2977c478bd9Sstevel@tonic-gate extern void zone_init(void); 2987c478bd9Sstevel@tonic-gate extern void zone_hold(zone_t *); 2997c478bd9Sstevel@tonic-gate extern void zone_rele(zone_t *); 3007c478bd9Sstevel@tonic-gate extern void zone_cred_hold(zone_t *); 3017c478bd9Sstevel@tonic-gate extern void zone_cred_rele(zone_t *); 3027c478bd9Sstevel@tonic-gate extern void zone_task_hold(zone_t *); 3037c478bd9Sstevel@tonic-gate extern void zone_task_rele(zone_t *); 3047c478bd9Sstevel@tonic-gate extern zone_t *zone_find_by_id(zoneid_t); 3057c478bd9Sstevel@tonic-gate extern zone_t *zone_find_by_name(char *); 3067c478bd9Sstevel@tonic-gate extern zone_t *zone_find_by_path(const char *); 3077c478bd9Sstevel@tonic-gate extern zoneid_t getzoneid(void); 3087c478bd9Sstevel@tonic-gate 3097c478bd9Sstevel@tonic-gate /* 3107c478bd9Sstevel@tonic-gate * Zone-specific data (ZSD) APIs 3117c478bd9Sstevel@tonic-gate */ 3127c478bd9Sstevel@tonic-gate /* 3137c478bd9Sstevel@tonic-gate * The following is what code should be initializing its zone_key_t to if it 3147c478bd9Sstevel@tonic-gate * calls zone_getspecific() without necessarily knowing that zone_key_create() 3157c478bd9Sstevel@tonic-gate * has been called on the key. 3167c478bd9Sstevel@tonic-gate */ 3177c478bd9Sstevel@tonic-gate #define ZONE_KEY_UNINITIALIZED 0 3187c478bd9Sstevel@tonic-gate 3197c478bd9Sstevel@tonic-gate typedef uint_t zone_key_t; 3207c478bd9Sstevel@tonic-gate 3217c478bd9Sstevel@tonic-gate extern void zone_key_create(zone_key_t *, void *(*)(zoneid_t), 3227c478bd9Sstevel@tonic-gate void (*)(zoneid_t, void *), void (*)(zoneid_t, void *)); 3237c478bd9Sstevel@tonic-gate extern int zone_key_delete(zone_key_t); 3247c478bd9Sstevel@tonic-gate extern void *zone_getspecific(zone_key_t, zone_t *); 3257c478bd9Sstevel@tonic-gate extern int zone_setspecific(zone_key_t, zone_t *, const void *); 3267c478bd9Sstevel@tonic-gate 3277c478bd9Sstevel@tonic-gate /* 3287c478bd9Sstevel@tonic-gate * The definition of a zsd_entry is truly private to zone.c and is only 3297c478bd9Sstevel@tonic-gate * placed here so it can be shared with mdb. 3307c478bd9Sstevel@tonic-gate */ 3317c478bd9Sstevel@tonic-gate struct zsd_entry { 3327c478bd9Sstevel@tonic-gate zone_key_t zsd_key; /* Key used to lookup value */ 3337c478bd9Sstevel@tonic-gate void *zsd_data; /* Caller-managed value */ 3347c478bd9Sstevel@tonic-gate /* 3357c478bd9Sstevel@tonic-gate * Callbacks to be executed when a zone is created, shutdown, and 3367c478bd9Sstevel@tonic-gate * destroyed, respectively. 3377c478bd9Sstevel@tonic-gate */ 3387c478bd9Sstevel@tonic-gate void *(*zsd_create)(zoneid_t); 3397c478bd9Sstevel@tonic-gate void (*zsd_shutdown)(zoneid_t, void *); 3407c478bd9Sstevel@tonic-gate void (*zsd_destroy)(zoneid_t, void *); 3417c478bd9Sstevel@tonic-gate list_node_t zsd_linkage; 3427c478bd9Sstevel@tonic-gate }; 3437c478bd9Sstevel@tonic-gate 3447c478bd9Sstevel@tonic-gate /* 3457c478bd9Sstevel@tonic-gate * Macros to help with zone visibility restrictions. 3467c478bd9Sstevel@tonic-gate */ 3477c478bd9Sstevel@tonic-gate 3487c478bd9Sstevel@tonic-gate /* 3497c478bd9Sstevel@tonic-gate * Is process in the global zone? 3507c478bd9Sstevel@tonic-gate */ 3517c478bd9Sstevel@tonic-gate #define INGLOBALZONE(p) \ 3527c478bd9Sstevel@tonic-gate ((p)->p_zone == global_zone) 3537c478bd9Sstevel@tonic-gate 3547c478bd9Sstevel@tonic-gate /* 3557c478bd9Sstevel@tonic-gate * Can process view objects in given zone? 3567c478bd9Sstevel@tonic-gate */ 3577c478bd9Sstevel@tonic-gate #define HASZONEACCESS(p, zoneid) \ 3587c478bd9Sstevel@tonic-gate ((p)->p_zone->zone_id == (zoneid) || INGLOBALZONE(p)) 3597c478bd9Sstevel@tonic-gate 3607c478bd9Sstevel@tonic-gate /* 3617c478bd9Sstevel@tonic-gate * Convenience macro to see if a resolved path is visible from within a 3627c478bd9Sstevel@tonic-gate * given zone. 3637c478bd9Sstevel@tonic-gate * 3647c478bd9Sstevel@tonic-gate * The basic idea is that the first (zone_rootpathlen - 1) bytes of the 3657c478bd9Sstevel@tonic-gate * two strings must be equal. Since the rootpathlen has a trailing '/', 3667c478bd9Sstevel@tonic-gate * we want to skip everything in the path up to (but not including) the 3677c478bd9Sstevel@tonic-gate * trailing '/'. 3687c478bd9Sstevel@tonic-gate */ 3697c478bd9Sstevel@tonic-gate #define ZONE_PATH_VISIBLE(path, zone) \ 3707c478bd9Sstevel@tonic-gate (strncmp((path), (zone)->zone_rootpath, \ 3717c478bd9Sstevel@tonic-gate (zone)->zone_rootpathlen - 1) == 0) 3727c478bd9Sstevel@tonic-gate 3737c478bd9Sstevel@tonic-gate /* 3747c478bd9Sstevel@tonic-gate * Convenience macro to go from the global view of a path to that seen 3757c478bd9Sstevel@tonic-gate * from within said zone. It is the responsibility of the caller to 3767c478bd9Sstevel@tonic-gate * ensure that the path is a resolved one (ie, no '..'s or '.'s), and is 3777c478bd9Sstevel@tonic-gate * in fact visible from within the zone. 3787c478bd9Sstevel@tonic-gate */ 3797c478bd9Sstevel@tonic-gate #define ZONE_PATH_TRANSLATE(path, zone) \ 3807c478bd9Sstevel@tonic-gate (ASSERT(ZONE_PATH_VISIBLE(path, zone)), \ 3817c478bd9Sstevel@tonic-gate (path) + (zone)->zone_rootpathlen - 2) 3827c478bd9Sstevel@tonic-gate 3837c478bd9Sstevel@tonic-gate /* 3847c478bd9Sstevel@tonic-gate * Special processes visible in all zones. 3857c478bd9Sstevel@tonic-gate */ 3867c478bd9Sstevel@tonic-gate #define ZONE_SPECIALPID(x) ((x) == 0 || (x) == 1) 3877c478bd9Sstevel@tonic-gate 3887c478bd9Sstevel@tonic-gate /* 3897c478bd9Sstevel@tonic-gate * Special zoneid_t token to refer to all zones. 3907c478bd9Sstevel@tonic-gate */ 3917c478bd9Sstevel@tonic-gate #define ALL_ZONES (-1) 3927c478bd9Sstevel@tonic-gate 3937c478bd9Sstevel@tonic-gate /* 3947c478bd9Sstevel@tonic-gate * Zone-safe version of thread_create() to be used when the caller wants to 3957c478bd9Sstevel@tonic-gate * create a kernel thread to run within the current zone's context. 3967c478bd9Sstevel@tonic-gate */ 3977c478bd9Sstevel@tonic-gate extern kthread_t *zthread_create(caddr_t, size_t, void (*)(), void *, size_t, 3987c478bd9Sstevel@tonic-gate pri_t); 3997c478bd9Sstevel@tonic-gate extern void zthread_exit(void); 4007c478bd9Sstevel@tonic-gate 4017c478bd9Sstevel@tonic-gate /* 4027c478bd9Sstevel@tonic-gate * Functions for an external observer to register interest in a zone's status 4037c478bd9Sstevel@tonic-gate * change. Observers will be woken up when the zone status equals the status 4047c478bd9Sstevel@tonic-gate * argument passed in (in the case of zone_status_timedwait, the function may 4057c478bd9Sstevel@tonic-gate * also return because of a timeout; zone_status_wait_sig may return early due 4067c478bd9Sstevel@tonic-gate * to a signal being delivered; zone_status_timedwait_sig may return for any of 4077c478bd9Sstevel@tonic-gate * the above reasons). 4087c478bd9Sstevel@tonic-gate * 4097c478bd9Sstevel@tonic-gate * Otherwise these behave identically to cv_timedwait(), cv_wait(), and 4107c478bd9Sstevel@tonic-gate * cv_wait_sig() respectively. 4117c478bd9Sstevel@tonic-gate */ 4127c478bd9Sstevel@tonic-gate extern clock_t zone_status_timedwait(zone_t *, clock_t, zone_status_t); 4137c478bd9Sstevel@tonic-gate extern clock_t zone_status_timedwait_sig(zone_t *, clock_t, zone_status_t); 4147c478bd9Sstevel@tonic-gate extern void zone_status_wait(zone_t *, zone_status_t); 4157c478bd9Sstevel@tonic-gate extern int zone_status_wait_sig(zone_t *, zone_status_t); 4167c478bd9Sstevel@tonic-gate 4177c478bd9Sstevel@tonic-gate /* 4187c478bd9Sstevel@tonic-gate * Get the status of the zone (at the time it was called). The state may 4197c478bd9Sstevel@tonic-gate * have progressed by the time it is returned. 4207c478bd9Sstevel@tonic-gate */ 4217c478bd9Sstevel@tonic-gate extern zone_status_t zone_status_get(zone_t *); 4227c478bd9Sstevel@tonic-gate 4237c478bd9Sstevel@tonic-gate /* 4247c478bd9Sstevel@tonic-gate * Get the "kcred" credentials corresponding to the given zone. 4257c478bd9Sstevel@tonic-gate */ 4267c478bd9Sstevel@tonic-gate extern struct cred *zone_get_kcred(zoneid_t); 4277c478bd9Sstevel@tonic-gate 4287c478bd9Sstevel@tonic-gate /* 4297c478bd9Sstevel@tonic-gate * Get/set the pool the zone is currently bound to. 4307c478bd9Sstevel@tonic-gate */ 4317c478bd9Sstevel@tonic-gate extern struct pool *zone_pool_get(zone_t *); 4327c478bd9Sstevel@tonic-gate extern void zone_pool_set(zone_t *, struct pool *); 4337c478bd9Sstevel@tonic-gate 4347c478bd9Sstevel@tonic-gate /* 4357c478bd9Sstevel@tonic-gate * Get/set the pset the zone is currently using. 4367c478bd9Sstevel@tonic-gate */ 4377c478bd9Sstevel@tonic-gate extern psetid_t zone_pset_get(zone_t *); 4387c478bd9Sstevel@tonic-gate extern void zone_pset_set(zone_t *, psetid_t); 4397c478bd9Sstevel@tonic-gate 4407c478bd9Sstevel@tonic-gate /* 4417c478bd9Sstevel@tonic-gate * Get the number of cpus/online-cpus visible from the given zone. 4427c478bd9Sstevel@tonic-gate */ 4437c478bd9Sstevel@tonic-gate extern int zone_ncpus_get(zone_t *); 4447c478bd9Sstevel@tonic-gate extern int zone_ncpus_online_get(zone_t *); 4457c478bd9Sstevel@tonic-gate 4467c478bd9Sstevel@tonic-gate /* 447fa9e4066Sahrens * Returns true if the named pool/dataset is visible in the current zone. 448fa9e4066Sahrens */ 449fa9e4066Sahrens extern int zone_dataset_visible(const char *, int *); 450fa9e4066Sahrens 451fa9e4066Sahrens /* 4527c478bd9Sstevel@tonic-gate * zone version of uadmin() 4537c478bd9Sstevel@tonic-gate */ 4547c478bd9Sstevel@tonic-gate extern int zone_uadmin(int, int, struct cred *); 4557c478bd9Sstevel@tonic-gate extern void zone_shutdown_global(void); 4567c478bd9Sstevel@tonic-gate 4577c478bd9Sstevel@tonic-gate extern void mount_in_progress(void); 4587c478bd9Sstevel@tonic-gate extern void mount_completed(void); 4597c478bd9Sstevel@tonic-gate 4607c478bd9Sstevel@tonic-gate extern int zone_walk(int (*)(zone_t *, void *), void *); 4617c478bd9Sstevel@tonic-gate 4627c478bd9Sstevel@tonic-gate #endif /* _KERNEL */ 4637c478bd9Sstevel@tonic-gate 4647c478bd9Sstevel@tonic-gate #ifdef __cplusplus 4657c478bd9Sstevel@tonic-gate } 4667c478bd9Sstevel@tonic-gate #endif 4677c478bd9Sstevel@tonic-gate 4687c478bd9Sstevel@tonic-gate #endif /* _SYS_ZONE_H */ 469