Print this page




   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*
  22  * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.

  23  * Copyright 2014 Nexenta Systems, Inc. All rights reserved.
  24  * Copyright 2014 Igor Kozhukhov <ikozhukhov@gmail.com>.
  25  * Copyright 2016, Joyent, Inc.
  26  */
  27 
  28 #ifndef _SYS_ZONE_H
  29 #define _SYS_ZONE_H
  30 
  31 #include <sys/types.h>
  32 #include <sys/mutex.h>
  33 #include <sys/param.h>
  34 #include <sys/rctl.h>
  35 #include <sys/ipc_rctl.h>
  36 #include <sys/pset.h>
  37 #include <sys/tsol/label.h>
  38 #include <sys/cred.h>
  39 #include <sys/netstack.h>
  40 #include <sys/uadmin.h>
  41 #include <sys/ksynch.h>
  42 #include <sys/socket_impl.h>


 173 #define ZONE_SUBPROC_OK                 0
 174 #define ZONE_SUBPROC_USAGE              253
 175 #define ZONE_SUBPROC_NOTCOMPLETE        254
 176 #define ZONE_SUBPROC_FATAL              255
 177 
 178 #ifdef _SYSCALL32
 179 typedef struct {
 180         caddr32_t zone_name;
 181         caddr32_t zone_root;
 182         caddr32_t zone_privs;
 183         size32_t zone_privssz;
 184         caddr32_t rctlbuf;
 185         size32_t rctlbufsz;
 186         caddr32_t extended_error;
 187         caddr32_t zfsbuf;
 188         size32_t  zfsbufsz;
 189         int match;                      /* match level */
 190         uint32_t doi;                   /* DOI for label */
 191         caddr32_t label;                /* label associated with zone */
 192         int flags;
 193         zoneid_t zoneid;                /* requested zoneid */
 194 } zone_def32;
 195 #endif
 196 typedef struct {
 197         const char *zone_name;
 198         const char *zone_root;
 199         const struct priv_set *zone_privs;
 200         size_t zone_privssz;
 201         const char *rctlbuf;
 202         size_t rctlbufsz;
 203         int *extended_error;
 204         const char *zfsbuf;
 205         size_t zfsbufsz;
 206         int match;                      /* match level */
 207         uint32_t doi;                   /* DOI for label */
 208         const bslabel_t *label;         /* label associated with zone */
 209         int flags;
 210         zoneid_t zoneid;                /* requested zoneid */
 211 } zone_def;
 212 
 213 /* extended error information */
 214 #define ZE_UNKNOWN      0       /* No extended error info */
 215 #define ZE_CHROOTED     1       /* tried to zone_create from chroot */
 216 #define ZE_AREMOUNTS    2       /* there are mounts within the zone */
 217 #define ZE_LABELINUSE   3       /* label is already in use by some other zone */
 218 
 219 /*
 220  * zone_status values
 221  *
 222  * You must modify zone_status_names in mdb(1M)'s genunix module
 223  * (genunix/zone.c) when you modify this enum.
 224  */
 225 typedef enum {
 226         ZONE_IS_UNINITIALIZED = 0,
 227         ZONE_IS_INITIALIZED,
 228         ZONE_IS_READY,
 229         ZONE_IS_BOOTING,
 230         ZONE_IS_RUNNING,


 366 
 367 /*
 368  * zone_ref represents a general-purpose references to a zone.  Each zone's
 369  * references are linked into the zone's zone_t::zone_ref_list.  This allows
 370  * debuggers to walk zones' references.
 371  */
 372 typedef struct zone_ref {
 373         struct zone     *zref_zone; /* the zone to which the reference refers */
 374         list_node_t     zref_linkage; /* linkage for zone_t::zone_ref_list */
 375 } zone_ref_t;
 376 
 377 /*
 378  * Structure to record list of ZFS datasets exported to a zone.
 379  */
 380 typedef struct zone_dataset {
 381         char            *zd_dataset;
 382         list_node_t     zd_linkage;
 383 } zone_dataset_t;
 384 
 385 /*
 386  * structure for rctl zone kstats
 387  */
 388 typedef struct zone_kstat {
 389         kstat_named_t zk_zonename;
 390         kstat_named_t zk_usage;
 391         kstat_named_t zk_value;
 392 } zone_kstat_t;
 393 
 394 struct cpucap;
 395 
 396 typedef struct {
 397         hrtime_t        cycle_start;
 398         uint_t          cycle_cnt;
 399         hrtime_t        zone_avg_cnt;
 400 } sys_zio_cntr_t;
 401 
 402 typedef struct {
 403         kstat_named_t   zv_zonename;
 404         kstat_named_t   zv_nread;
 405         kstat_named_t   zv_reads;
 406         kstat_named_t   zv_rtime;


 442         kstat_named_t   zm_anonpgin;
 443         kstat_named_t   zm_execpgin;
 444         kstat_named_t   zm_fspgin;
 445         kstat_named_t   zm_anon_alloc_fail;
 446         kstat_named_t   zm_pf_throttle;
 447         kstat_named_t   zm_pf_throttle_usec;
 448 } zone_mcap_kstat_t;
 449 
 450 typedef struct {
 451         kstat_named_t   zm_zonename;    /* full name, kstat truncates name */
 452         kstat_named_t   zm_utime;
 453         kstat_named_t   zm_stime;
 454         kstat_named_t   zm_wtime;
 455         kstat_named_t   zm_avenrun1;
 456         kstat_named_t   zm_avenrun5;
 457         kstat_named_t   zm_avenrun15;
 458         kstat_named_t   zm_ffcap;
 459         kstat_named_t   zm_ffnoproc;
 460         kstat_named_t   zm_ffnomem;
 461         kstat_named_t   zm_ffmisc;
 462         kstat_named_t   zm_mfseglim;
 463         kstat_named_t   zm_nested_intp;
 464         kstat_named_t   zm_init_pid;
 465         kstat_named_t   zm_boot_time;
 466 } zone_misc_kstat_t;
 467 
 468 typedef struct zone {
 469         /*
 470          * zone_name is never modified once set.
 471          */
 472         char            *zone_name;     /* zone's configuration name */
 473         /*
 474          * zone_nodename and zone_domain are never freed once allocated.
 475          */
 476         char            *zone_nodename; /* utsname.nodename equivalent */
 477         char            *zone_domain;   /* srpc_domain equivalent */
 478         /*
 479          * zone_hostid is used for per-zone hostid emulation.
 480          * Currently it isn't modified after it's set (so no locks protect
 481          * accesses), but that might have to change when we allow
 482          * administrators to change running zones' properties.


 487         uint32_t        zone_hostid;    /* zone's hostid, HW_INVALID_HOSTID */
 488                                         /* if not emulated */
 489         /*
 490          * zone_lock protects the following fields of a zone_t:
 491          *      zone_ref
 492          *      zone_cred_ref
 493          *      zone_subsys_ref
 494          *      zone_ref_list
 495          *      zone_ntasks
 496          *      zone_flags
 497          *      zone_zsd
 498          *      zone_pfexecd
 499          */
 500         kmutex_t        zone_lock;
 501         /*
 502          * zone_linkage is the zone's linkage into the active or
 503          * death-row list.  The field is protected by zonehash_lock.
 504          */
 505         list_node_t     zone_linkage;
 506         zoneid_t        zone_id;        /* ID of zone */
 507         zoneid_t        zone_did;       /* persistent debug ID of zone */
 508         uint_t          zone_ref;       /* count of zone_hold()s on zone */
 509         uint_t          zone_cred_ref;  /* count of zone_hold_cred()s on zone */
 510         /*
 511          * Fixed-sized array of subsystem-specific reference counts
 512          * The sum of all of the counts must be less than or equal to zone_ref.
 513          * The array is indexed by the counts' subsystems' zone_ref_subsys_t
 514          * constants.
 515          */
 516         uint_t          zone_subsys_ref[ZONE_REF_NUM_SUBSYS];
 517         list_t          zone_ref_list;  /* list of zone_ref_t structs */
 518         /*
 519          * zone_rootvp and zone_rootpath can never be modified once set.
 520          */
 521         struct vnode    *zone_rootvp;   /* zone's root vnode */
 522         char            *zone_rootpath; /* Path to zone's root + '/' */
 523         ushort_t        zone_flags;     /* misc flags */
 524         zone_status_t   zone_status;    /* protected by zone_status_lock */
 525         uint_t          zone_ntasks;    /* number of tasks executing in zone */
 526         kmutex_t        zone_nlwps_lock; /* protects zone_nlwps, and *_nlwps */
 527                                         /* counters in projects and tasks */


 612          */
 613         list_t          zone_dl_list;
 614         netstack_t      *zone_netstack;
 615         struct cpucap   *zone_cpucap;   /* CPU caps data */
 616 
 617         /*
 618          * Data and counters used for ZFS fair-share disk IO.
 619          */
 620         rctl_qty_t      zone_zfs_io_pri;        /* ZFS IO priority */
 621         uint_t          zone_zfs_queued[2];     /* sync I/O enqueued count */
 622         uint64_t        zone_zfs_weight;        /* used to prevent starvation */
 623         uint64_t        zone_io_util;           /* IO utilization metric */
 624         boolean_t       zone_io_util_above_avg; /* IO util percent > avg. */
 625         uint16_t        zone_io_delay;          /* IO delay on logical r/w */
 626         kmutex_t        zone_stg_io_lock;       /* protects IO window data */
 627         sys_zio_cntr_t  zone_rd_ops;            /* Counters for ZFS reads, */
 628         sys_zio_cntr_t  zone_wr_ops;            /* writes and */
 629         sys_zio_cntr_t  zone_lwr_ops;           /* logical writes. */
 630 
 631         /*







 632          * kstats and counters for VFS ops and bytes.
 633          */
 634         kmutex_t        zone_vfs_lock;          /* protects VFS statistics */
 635         kstat_t         *zone_vfs_ksp;
 636         kstat_io_t      zone_vfs_rwstats;
 637         zone_vfs_kstat_t *zone_vfs_stats;
 638 
 639         /*
 640          * kstats for ZFS I/O ops and bytes.
 641          */
 642         kmutex_t        zone_zfs_lock;          /* protects ZFS statistics */
 643         kstat_t         *zone_zfs_ksp;
 644         kstat_io_t      zone_zfs_rwstats;
 645         zone_zfs_kstat_t *zone_zfs_stats;
 646 
 647         /*
 648          * Solaris Auditing per-zone audit context
 649          */
 650         struct au_kcontext      *zone_audit_kctxt;
 651         /*
 652          * For private use by mntfs.
 653          */
 654         struct mntelem  *zone_mntfs_db;
 655         krwlock_t       zone_mntfs_db_lock;
 656 
 657         struct klpd_reg         *zone_pfexecd;
 658 
 659         char            *zone_fs_allowed;
 660         rctl_qty_t      zone_nprocs;    /* number of processes in the zone */
 661         rctl_qty_t      zone_nprocs_ctl;        /* current limit protected by */
 662                                                 /* zone_rctls->rcs_lock */
 663         kstat_t         *zone_nprocs_kstat;


 690          * This is tracked in msacct.c as threads change state.
 691          * The zone_stime is the sum of the LMS_SYSTEM times.
 692          * The zone_utime is the sum of the LMS_USER times.
 693          * The zone_wtime is the sum of the LMS_WAIT_CPU times.
 694          * As with per-thread micro-state accounting values, these values are
 695          * not scaled to nanosecs.  The scaling is done by the
 696          * zone_misc_kstat_update function when kstats are requested.
 697          */
 698         kmutex_t        zone_misc_lock;         /* protects misc statistics */
 699         kstat_t         *zone_misc_ksp;
 700         zone_misc_kstat_t *zone_misc_stats;
 701         uint64_t        zone_stime;             /* total system time */
 702         uint64_t        zone_utime;             /* total user time */
 703         uint64_t        zone_wtime;             /* total time waiting in runq */
 704         /* fork-fail kstat tracking */
 705         uint32_t        zone_ffcap;             /* hit an rctl cap */
 706         uint32_t        zone_ffnoproc;          /* get proc/lwp error */
 707         uint32_t        zone_ffnomem;           /* as_dup/memory error */
 708         uint32_t        zone_ffmisc;            /* misc. other error */
 709 
 710         uint32_t        zone_mfseglim;          /* map failure (# segs limit) */
 711 
 712         uint32_t        zone_nested_intp;       /* nested interp. kstat */
 713 
 714         struct loadavg_s zone_loadavg;          /* loadavg for this zone */
 715         uint64_t        zone_hp_avenrun[3];     /* high-precision avenrun */
 716         int             zone_avenrun[3];        /* FSCALED avg. run queue len */
 717 
 718         /*
 719          * FSS stats updated once per second by fss_decay_usage.
 720          */
 721         uint32_t        zone_fss_gen;           /* FSS generation cntr */
 722         uint64_t        zone_run_ticks;         /* tot # of ticks running */
 723 
 724         /*
 725          * DTrace-private per-zone state
 726          */
 727         int             zone_dtrace_getf;       /* # of unprivileged getf()s */
 728 
 729         /*
 730          * Synchronization primitives used to synchronize between mounts and
 731          * zone creation/destruction.


 748 extern rctl_hndl_t rc_zone_nprocs;
 749 
 750 extern long zone(int, void *, void *, void *, void *);
 751 extern void zone_zsd_init(void);
 752 extern void zone_init(void);
 753 extern void zone_hold(zone_t *);
 754 extern void zone_rele(zone_t *);
 755 extern void zone_init_ref(zone_ref_t *);
 756 extern void zone_hold_ref(zone_t *, zone_ref_t *, zone_ref_subsys_t);
 757 extern void zone_rele_ref(zone_ref_t *, zone_ref_subsys_t);
 758 extern void zone_cred_hold(zone_t *);
 759 extern void zone_cred_rele(zone_t *);
 760 extern void zone_task_hold(zone_t *);
 761 extern void zone_task_rele(zone_t *);
 762 extern zone_t *zone_find_by_id(zoneid_t);
 763 extern zone_t *zone_find_by_label(const ts_label_t *);
 764 extern zone_t *zone_find_by_name(char *);
 765 extern zone_t *zone_find_by_any_path(const char *, boolean_t);
 766 extern zone_t *zone_find_by_path(const char *);
 767 extern zoneid_t getzoneid(void);
 768 extern zoneid_t getzonedid(void);
 769 extern zone_t *zone_find_by_id_nolock(zoneid_t);
 770 extern int zone_datalink_walk(zoneid_t, int (*)(datalink_id_t, void *), void *);
 771 extern int zone_check_datalink(zoneid_t *, datalink_id_t);
 772 extern void zone_loadavg_update();
 773 
 774 /*
 775  * Zone-specific data (ZSD) APIs
 776  */
 777 /*
 778  * The following is what code should be initializing its zone_key_t to if it
 779  * calls zone_getspecific() without necessarily knowing that zone_key_create()
 780  * has been called on the key.
 781  */
 782 #define ZONE_KEY_UNINITIALIZED  0
 783 
 784 typedef uint_t zone_key_t;
 785 
 786 extern void     zone_key_create(zone_key_t *, void *(*)(zoneid_t),
 787     void (*)(zoneid_t, void *), void (*)(zoneid_t, void *));
 788 extern int      zone_key_delete(zone_key_t);




   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*
  22  * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
  23  * Copyright 2015 Joyent, Inc. All rights reserved.
  24  * Copyright 2014 Nexenta Systems, Inc. All rights reserved.
  25  * Copyright 2014 Igor Kozhukhov <ikozhukhov@gmail.com>.
  26  * Copyright 2016, Joyent, Inc.
  27  */
  28 
  29 #ifndef _SYS_ZONE_H
  30 #define _SYS_ZONE_H
  31 
  32 #include <sys/types.h>
  33 #include <sys/mutex.h>
  34 #include <sys/param.h>
  35 #include <sys/rctl.h>
  36 #include <sys/ipc_rctl.h>
  37 #include <sys/pset.h>
  38 #include <sys/tsol/label.h>
  39 #include <sys/cred.h>
  40 #include <sys/netstack.h>
  41 #include <sys/uadmin.h>
  42 #include <sys/ksynch.h>
  43 #include <sys/socket_impl.h>


 174 #define ZONE_SUBPROC_OK                 0
 175 #define ZONE_SUBPROC_USAGE              253
 176 #define ZONE_SUBPROC_NOTCOMPLETE        254
 177 #define ZONE_SUBPROC_FATAL              255
 178 
 179 #ifdef _SYSCALL32
 180 typedef struct {
 181         caddr32_t zone_name;
 182         caddr32_t zone_root;
 183         caddr32_t zone_privs;
 184         size32_t zone_privssz;
 185         caddr32_t rctlbuf;
 186         size32_t rctlbufsz;
 187         caddr32_t extended_error;
 188         caddr32_t zfsbuf;
 189         size32_t  zfsbufsz;
 190         int match;                      /* match level */
 191         uint32_t doi;                   /* DOI for label */
 192         caddr32_t label;                /* label associated with zone */
 193         int flags;

 194 } zone_def32;
 195 #endif
 196 typedef struct {
 197         const char *zone_name;
 198         const char *zone_root;
 199         const struct priv_set *zone_privs;
 200         size_t zone_privssz;
 201         const char *rctlbuf;
 202         size_t rctlbufsz;
 203         int *extended_error;
 204         const char *zfsbuf;
 205         size_t zfsbufsz;
 206         int match;                      /* match level */
 207         uint32_t doi;                   /* DOI for label */
 208         const bslabel_t *label;         /* label associated with zone */
 209         int flags;

 210 } zone_def;
 211 
 212 /* extended error information */
 213 #define ZE_UNKNOWN      0       /* No extended error info */
 214 #define ZE_CHROOTED     1       /* tried to zone_create from chroot */
 215 #define ZE_AREMOUNTS    2       /* there are mounts within the zone */
 216 #define ZE_LABELINUSE   3       /* label is already in use by some other zone */
 217 
 218 /*
 219  * zone_status values
 220  *
 221  * You must modify zone_status_names in mdb(1M)'s genunix module
 222  * (genunix/zone.c) when you modify this enum.
 223  */
 224 typedef enum {
 225         ZONE_IS_UNINITIALIZED = 0,
 226         ZONE_IS_INITIALIZED,
 227         ZONE_IS_READY,
 228         ZONE_IS_BOOTING,
 229         ZONE_IS_RUNNING,


 365 
 366 /*
 367  * zone_ref represents a general-purpose references to a zone.  Each zone's
 368  * references are linked into the zone's zone_t::zone_ref_list.  This allows
 369  * debuggers to walk zones' references.
 370  */
 371 typedef struct zone_ref {
 372         struct zone     *zref_zone; /* the zone to which the reference refers */
 373         list_node_t     zref_linkage; /* linkage for zone_t::zone_ref_list */
 374 } zone_ref_t;
 375 
 376 /*
 377  * Structure to record list of ZFS datasets exported to a zone.
 378  */
 379 typedef struct zone_dataset {
 380         char            *zd_dataset;
 381         list_node_t     zd_linkage;
 382 } zone_dataset_t;
 383 
 384 /*
 385  * structure for zone kstats
 386  */
 387 typedef struct zone_kstat {
 388         kstat_named_t zk_zonename;
 389         kstat_named_t zk_usage;
 390         kstat_named_t zk_value;
 391 } zone_kstat_t;
 392 
 393 struct cpucap;
 394 
 395 typedef struct {
 396         hrtime_t        cycle_start;
 397         uint_t          cycle_cnt;
 398         hrtime_t        zone_avg_cnt;
 399 } sys_zio_cntr_t;
 400 
 401 typedef struct {
 402         kstat_named_t   zv_zonename;
 403         kstat_named_t   zv_nread;
 404         kstat_named_t   zv_reads;
 405         kstat_named_t   zv_rtime;


 441         kstat_named_t   zm_anonpgin;
 442         kstat_named_t   zm_execpgin;
 443         kstat_named_t   zm_fspgin;
 444         kstat_named_t   zm_anon_alloc_fail;
 445         kstat_named_t   zm_pf_throttle;
 446         kstat_named_t   zm_pf_throttle_usec;
 447 } zone_mcap_kstat_t;
 448 
 449 typedef struct {
 450         kstat_named_t   zm_zonename;    /* full name, kstat truncates name */
 451         kstat_named_t   zm_utime;
 452         kstat_named_t   zm_stime;
 453         kstat_named_t   zm_wtime;
 454         kstat_named_t   zm_avenrun1;
 455         kstat_named_t   zm_avenrun5;
 456         kstat_named_t   zm_avenrun15;
 457         kstat_named_t   zm_ffcap;
 458         kstat_named_t   zm_ffnoproc;
 459         kstat_named_t   zm_ffnomem;
 460         kstat_named_t   zm_ffmisc;

 461         kstat_named_t   zm_nested_intp;
 462         kstat_named_t   zm_init_pid;
 463         kstat_named_t   zm_boot_time;
 464 } zone_misc_kstat_t;
 465 
 466 typedef struct zone {
 467         /*
 468          * zone_name is never modified once set.
 469          */
 470         char            *zone_name;     /* zone's configuration name */
 471         /*
 472          * zone_nodename and zone_domain are never freed once allocated.
 473          */
 474         char            *zone_nodename; /* utsname.nodename equivalent */
 475         char            *zone_domain;   /* srpc_domain equivalent */
 476         /*
 477          * zone_hostid is used for per-zone hostid emulation.
 478          * Currently it isn't modified after it's set (so no locks protect
 479          * accesses), but that might have to change when we allow
 480          * administrators to change running zones' properties.


 485         uint32_t        zone_hostid;    /* zone's hostid, HW_INVALID_HOSTID */
 486                                         /* if not emulated */
 487         /*
 488          * zone_lock protects the following fields of a zone_t:
 489          *      zone_ref
 490          *      zone_cred_ref
 491          *      zone_subsys_ref
 492          *      zone_ref_list
 493          *      zone_ntasks
 494          *      zone_flags
 495          *      zone_zsd
 496          *      zone_pfexecd
 497          */
 498         kmutex_t        zone_lock;
 499         /*
 500          * zone_linkage is the zone's linkage into the active or
 501          * death-row list.  The field is protected by zonehash_lock.
 502          */
 503         list_node_t     zone_linkage;
 504         zoneid_t        zone_id;        /* ID of zone */

 505         uint_t          zone_ref;       /* count of zone_hold()s on zone */
 506         uint_t          zone_cred_ref;  /* count of zone_hold_cred()s on zone */
 507         /*
 508          * Fixed-sized array of subsystem-specific reference counts
 509          * The sum of all of the counts must be less than or equal to zone_ref.
 510          * The array is indexed by the counts' subsystems' zone_ref_subsys_t
 511          * constants.
 512          */
 513         uint_t          zone_subsys_ref[ZONE_REF_NUM_SUBSYS];
 514         list_t          zone_ref_list;  /* list of zone_ref_t structs */
 515         /*
 516          * zone_rootvp and zone_rootpath can never be modified once set.
 517          */
 518         struct vnode    *zone_rootvp;   /* zone's root vnode */
 519         char            *zone_rootpath; /* Path to zone's root + '/' */
 520         ushort_t        zone_flags;     /* misc flags */
 521         zone_status_t   zone_status;    /* protected by zone_status_lock */
 522         uint_t          zone_ntasks;    /* number of tasks executing in zone */
 523         kmutex_t        zone_nlwps_lock; /* protects zone_nlwps, and *_nlwps */
 524                                         /* counters in projects and tasks */


 609          */
 610         list_t          zone_dl_list;
 611         netstack_t      *zone_netstack;
 612         struct cpucap   *zone_cpucap;   /* CPU caps data */
 613 
 614         /*
 615          * Data and counters used for ZFS fair-share disk IO.
 616          */
 617         rctl_qty_t      zone_zfs_io_pri;        /* ZFS IO priority */
 618         uint_t          zone_zfs_queued[2];     /* sync I/O enqueued count */
 619         uint64_t        zone_zfs_weight;        /* used to prevent starvation */
 620         uint64_t        zone_io_util;           /* IO utilization metric */
 621         boolean_t       zone_io_util_above_avg; /* IO util percent > avg. */
 622         uint16_t        zone_io_delay;          /* IO delay on logical r/w */
 623         kmutex_t        zone_stg_io_lock;       /* protects IO window data */
 624         sys_zio_cntr_t  zone_rd_ops;            /* Counters for ZFS reads, */
 625         sys_zio_cntr_t  zone_wr_ops;            /* writes and */
 626         sys_zio_cntr_t  zone_lwr_ops;           /* logical writes. */
 627 
 628         /*
 629          * kstats and counters for I/O ops and bytes.
 630          */
 631         kmutex_t        zone_io_lock;           /* protects I/O statistics */
 632         kstat_t         *zone_io_ksp;
 633         kstat_io_t      *zone_io_kiop;
 634 
 635         /*
 636          * kstats and counters for VFS ops and bytes.
 637          */
 638         kmutex_t        zone_vfs_lock;          /* protects VFS statistics */
 639         kstat_t         *zone_vfs_ksp;
 640         kstat_io_t      zone_vfs_rwstats;
 641         zone_vfs_kstat_t *zone_vfs_stats;
 642 
 643         /*
 644          * kstats for ZFS I/O ops and bytes.
 645          */
 646         kmutex_t        zone_zfs_lock;          /* protects ZFS statistics */

 647         kstat_io_t      zone_zfs_rwstats;
 648         zone_zfs_kstat_t *zone_zfs_stats;
 649 
 650         /*
 651          * Solaris Auditing per-zone audit context
 652          */
 653         struct au_kcontext      *zone_audit_kctxt;
 654         /*
 655          * For private use by mntfs.
 656          */
 657         struct mntelem  *zone_mntfs_db;
 658         krwlock_t       zone_mntfs_db_lock;
 659 
 660         struct klpd_reg         *zone_pfexecd;
 661 
 662         char            *zone_fs_allowed;
 663         rctl_qty_t      zone_nprocs;    /* number of processes in the zone */
 664         rctl_qty_t      zone_nprocs_ctl;        /* current limit protected by */
 665                                                 /* zone_rctls->rcs_lock */
 666         kstat_t         *zone_nprocs_kstat;


 693          * This is tracked in msacct.c as threads change state.
 694          * The zone_stime is the sum of the LMS_SYSTEM times.
 695          * The zone_utime is the sum of the LMS_USER times.
 696          * The zone_wtime is the sum of the LMS_WAIT_CPU times.
 697          * As with per-thread micro-state accounting values, these values are
 698          * not scaled to nanosecs.  The scaling is done by the
 699          * zone_misc_kstat_update function when kstats are requested.
 700          */
 701         kmutex_t        zone_misc_lock;         /* protects misc statistics */
 702         kstat_t         *zone_misc_ksp;
 703         zone_misc_kstat_t *zone_misc_stats;
 704         uint64_t        zone_stime;             /* total system time */
 705         uint64_t        zone_utime;             /* total user time */
 706         uint64_t        zone_wtime;             /* total time waiting in runq */
 707         /* fork-fail kstat tracking */
 708         uint32_t        zone_ffcap;             /* hit an rctl cap */
 709         uint32_t        zone_ffnoproc;          /* get proc/lwp error */
 710         uint32_t        zone_ffnomem;           /* as_dup/memory error */
 711         uint32_t        zone_ffmisc;            /* misc. other error */
 712 


 713         uint32_t        zone_nested_intp;       /* nested interp. kstat */
 714 
 715         struct loadavg_s zone_loadavg;          /* loadavg for this zone */
 716         uint64_t        zone_hp_avenrun[3];     /* high-precision avenrun */
 717         int             zone_avenrun[3];        /* FSCALED avg. run queue len */
 718 
 719         /*
 720          * FSS stats updated once per second by fss_decay_usage.
 721          */
 722         uint32_t        zone_fss_gen;           /* FSS generation cntr */
 723         uint64_t        zone_run_ticks;         /* tot # of ticks running */
 724 
 725         /*
 726          * DTrace-private per-zone state
 727          */
 728         int             zone_dtrace_getf;       /* # of unprivileged getf()s */
 729 
 730         /*
 731          * Synchronization primitives used to synchronize between mounts and
 732          * zone creation/destruction.


 749 extern rctl_hndl_t rc_zone_nprocs;
 750 
 751 extern long zone(int, void *, void *, void *, void *);
 752 extern void zone_zsd_init(void);
 753 extern void zone_init(void);
 754 extern void zone_hold(zone_t *);
 755 extern void zone_rele(zone_t *);
 756 extern void zone_init_ref(zone_ref_t *);
 757 extern void zone_hold_ref(zone_t *, zone_ref_t *, zone_ref_subsys_t);
 758 extern void zone_rele_ref(zone_ref_t *, zone_ref_subsys_t);
 759 extern void zone_cred_hold(zone_t *);
 760 extern void zone_cred_rele(zone_t *);
 761 extern void zone_task_hold(zone_t *);
 762 extern void zone_task_rele(zone_t *);
 763 extern zone_t *zone_find_by_id(zoneid_t);
 764 extern zone_t *zone_find_by_label(const ts_label_t *);
 765 extern zone_t *zone_find_by_name(char *);
 766 extern zone_t *zone_find_by_any_path(const char *, boolean_t);
 767 extern zone_t *zone_find_by_path(const char *);
 768 extern zoneid_t getzoneid(void);

 769 extern zone_t *zone_find_by_id_nolock(zoneid_t);
 770 extern int zone_datalink_walk(zoneid_t, int (*)(datalink_id_t, void *), void *);
 771 extern int zone_check_datalink(zoneid_t *, datalink_id_t);
 772 extern void zone_loadavg_update();
 773 
 774 /*
 775  * Zone-specific data (ZSD) APIs
 776  */
 777 /*
 778  * The following is what code should be initializing its zone_key_t to if it
 779  * calls zone_getspecific() without necessarily knowing that zone_key_create()
 780  * has been called on the key.
 781  */
 782 #define ZONE_KEY_UNINITIALIZED  0
 783 
 784 typedef uint_t zone_key_t;
 785 
 786 extern void     zone_key_create(zone_key_t *, void *(*)(zoneid_t),
 787     void (*)(zoneid_t, void *), void (*)(zoneid_t, void *));
 788 extern int      zone_key_delete(zone_key_t);