fa9e4066f08beec538e775443c5be79dd423fcabahrens * CDDL HEADER START
fa9e4066f08beec538e775443c5be79dd423fcabahrens * The contents of this file are subject to the terms of the
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * Common Development and Distribution License (the "License").
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * You may not use this file except in compliance with the License.
fa9e4066f08beec538e775443c5be79dd423fcabahrens * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
fa9e4066f08beec538e775443c5be79dd423fcabahrens * See the License for the specific language governing permissions
fa9e4066f08beec538e775443c5be79dd423fcabahrens * and limitations under the License.
fa9e4066f08beec538e775443c5be79dd423fcabahrens * When distributing Covered Code, include this CDDL HEADER in each
fa9e4066f08beec538e775443c5be79dd423fcabahrens * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
fa9e4066f08beec538e775443c5be79dd423fcabahrens * If applicable, add the following below this CDDL HEADER, with the
fa9e4066f08beec538e775443c5be79dd423fcabahrens * fields enclosed by brackets "[]" replaced with your own identifying
fa9e4066f08beec538e775443c5be79dd423fcabahrens * information: Portions Copyright [yyyy] [name of copyright owner]
fa9e4066f08beec538e775443c5be79dd423fcabahrens * CDDL HEADER END
3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
81cd5c555f505484180a62ca5a2fbb00d70c57d6Matthew Ahrens * Copyright (c) 2011, 2015 by Delphix. All rights reserved.
e9103aaee0c546d4644791198c54abb03c89969eGarrett D'Amore * Copyright 2011 Nexenta Systems, Inc. All rights reserved.
bc9014e6a81272073b9854d9f65dd59e18d18c35Justin Gibbs * Copyright (c) 2014 Spectra Logic Corporation, All rights reserved.
45818ee124adeaaf947698996b4f4c722afc6d1fMatthew Ahrens * Copyright 2013 Saso Kiselkov. All rights reserved.
fa9e4066f08beec538e775443c5be79dd423fcabahrensextern "C" {
06eeb2ad640ce72d394ac521094bed7681044408ek uint64_t sh_pool_create_len; /* ending offset of zpool create */
06eeb2ad640ce72d394ac521094bed7681044408ek uint64_t sh_records_lost; /* num of records overwritten */
fa94a07fd0519b8abfd871ad8fe60e6bebe1e2bbbrendan uint64_t sav_object; /* MOS object for device list */
fa94a07fd0519b8abfd871ad8fe60e6bebe1e2bbbrendan nvlist_t **sav_pending; /* pending device additions */
ec94d32216ed5705f5176582355cc311cf848e73Adam Leventhal * State machine for the zpool-poolname process. The states transitions
35a5a3587fd94b666239c157d3722745250ccbd7Jonathan Adams * are done as follows:
35a5a3587fd94b666239c157d3722745250ccbd7Jonathan Adams * From To Routine
35a5a3587fd94b666239c157d3722745250ccbd7Jonathan Adams * PROC_NONE -> PROC_CREATED spa_activate()
35a5a3587fd94b666239c157d3722745250ccbd7Jonathan Adams * PROC_CREATED -> PROC_ACTIVE spa_thread()
35a5a3587fd94b666239c157d3722745250ccbd7Jonathan Adams * PROC_ACTIVE -> PROC_DEACTIVATE spa_deactivate()
35a5a3587fd94b666239c157d3722745250ccbd7Jonathan Adams * PROC_DEACTIVATE -> PROC_GONE spa_thread()
35a5a3587fd94b666239c157d3722745250ccbd7Jonathan Adams * PROC_GONE -> PROC_NONE spa_deactivate()
35a5a3587fd94b666239c157d3722745250ccbd7Jonathan Adams SPA_PROC_NONE, /* spa_proc = &p0, no process created */
35a5a3587fd94b666239c157d3722745250ccbd7Jonathan Adams SPA_PROC_CREATED, /* spa_activate() has proc, is waiting */
35a5a3587fd94b666239c157d3722745250ccbd7Jonathan Adams SPA_PROC_ACTIVE, /* taskqs created, spa_proc set */
35a5a3587fd94b666239c157d3722745250ccbd7Jonathan Adams SPA_PROC_DEACTIVATE, /* spa_deactivate() requests process exit */
35a5a3587fd94b666239c157d3722745250ccbd7Jonathan Adams SPA_PROC_GONE /* spa_thread() is exiting, spa_proc = &p0 */
215198a6ad15cf4832370e2f19247abeb36b951aJoe Stein AVZ_ACTION_DESTROY, /* Destroy all per-vdev ZAPs and the AVZ. */
215198a6ad15cf4832370e2f19247abeb36b951aJoe Stein AVZ_ACTION_REBUILD /* Populate the new AVZ, see spa_avz_rebuild */
fa9e4066f08beec538e775443c5be79dd423fcabahrens * Fields protected by spa_namespace_lock.
9adfa60d484ce2435f5af77cc99dcd4e692b6660Matthew Ahrens char spa_name[ZFS_MAX_DATASET_NAME_LEN]; /* pool name */
0373e76b3c3643df49ef3483e0f293fdea61d8c6bonwick nvlist_t *spa_config_syncing; /* currently syncing config */
1195e687f1c03c8d57417b5999578922e20a3554Mark J Musante nvlist_t *spa_config_splitting; /* config for splitting */
4b964ada391d44b89d97e7e930e6a9a136e0a2f4George Wilson nvlist_t *spa_load_info; /* info and errors from load */
fa9e4066f08beec538e775443c5be79dd423fcabahrens uint64_t spa_config_txg; /* txg of last config change */
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock uint8_t spa_sync_on; /* sync threads are running */
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock spa_load_state_t spa_load_state; /* current load operation */
4b964ada391d44b89d97e7e930e6a9a136e0a2f4George Wilson uint64_t spa_import_flags; /* import specific flags */
ec94d32216ed5705f5176582355cc311cf848e73Adam Leventhal spa_taskqs_t spa_zio_taskq[ZIO_TYPES][ZIO_TASKQ_TYPES];
ad135b5d644628e791c3188a6ecbd9c257961ef8Christopher Siden boolean_t spa_is_initializing; /* true while opening pool */
fa9e4066f08beec538e775443c5be79dd423fcabahrens metaslab_class_t *spa_normal_class; /* normal data class */
8654d0253136055bd4cc2423d87378e8a37f2eb5perrin metaslab_class_t *spa_log_class; /* intent log data class */
fa9e4066f08beec538e775443c5be79dd423fcabahrens uint64_t spa_first_txg; /* first txg after spa_open() */
fa9e4066f08beec538e775443c5be79dd423fcabahrens uint64_t spa_freeze_txg; /* freeze pool at this txg */
468c413a79615e77179e8d98f22a7e513a8135bdTim Haley uint64_t spa_load_max_txg; /* best initial ub_txg */
b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick uint64_t spa_claim_max_txg; /* highest claimed birth txg */
11027bc778dc4f44eabf0c8bc54260ea890b0a15Tim Haley timespec_t spa_loaded_ts; /* 1st successful open time */
fa9e4066f08beec538e775443c5be79dd423fcabahrens objset_t *spa_meta_objset; /* copy of dp->dp_meta_objset */
bc9014e6a81272073b9854d9f65dd59e18d18c35Justin Gibbs kmutex_t spa_evicting_os_lock; /* Evicting objset list lock */
bc9014e6a81272073b9854d9f65dd59e18d18c35Justin Gibbs list_t spa_evicting_os_list; /* Objsets being evicted. */
bc9014e6a81272073b9854d9f65dd59e18d18c35Justin Gibbs kcondvar_t spa_evicting_os_cv; /* Objset Eviction Completion */
fa9e4066f08beec538e775443c5be79dd423fcabahrens txg_list_t spa_vdev_txg_list; /* per-txg dirty vdev list */
fa9e4066f08beec538e775443c5be79dd423fcabahrens vdev_t *spa_root_vdev; /* top-level vdev container */
81cd5c555f505484180a62ca5a2fbb00d70c57d6Matthew Ahrens int spa_min_ashift; /* of vdevs in normal class */
81cd5c555f505484180a62ca5a2fbb00d70c57d6Matthew Ahrens int spa_max_ashift; /* of vdevs in normal class */
e9103aaee0c546d4644791198c54abb03c89969eGarrett D'Amore uint64_t spa_config_guid; /* config pool guid */
e9103aaee0c546d4644791198c54abb03c89969eGarrett D'Amore uint64_t spa_load_guid; /* spa_load initialized guid */
dfbb943217bf8ab22a1a9d2e9dca01d4da95ee0bGeorge Wilson uint64_t spa_last_synced_guid; /* last synced guid */
e14bb3258d05c1b1077e2db7cf77088924e56919Jeff Bonwick list_t spa_config_dirty_list; /* vdevs with dirty config */
e14bb3258d05c1b1077e2db7cf77088924e56919Jeff Bonwick list_t spa_state_dirty_list; /* vdevs with dirty state */
fa94a07fd0519b8abfd871ad8fe60e6bebe1e2bbbrendan spa_aux_vdev_t spa_l2cache; /* L2ARC cache devices */
ad135b5d644628e791c3188a6ecbd9c257961ef8Christopher Siden nvlist_t *spa_label_features; /* Features for reading MOS */
fa9e4066f08beec538e775443c5be79dd423fcabahrens uint64_t spa_config_object; /* MOS object for pool config */
8f18d1fadf6a0c20fac9ff7259a5368faa3c3bfbGeorge Wilson uint64_t spa_config_generation; /* config generation number */
fa9e4066f08beec538e775443c5be79dd423fcabahrens uint64_t spa_syncing_txg; /* txg currently syncing */
cde58dbc6a23d4d38db7c8866312be83221c765fMatthew Ahrens bpobj_t spa_deferred_bpobj; /* deferred-free bplist */
b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick bplist_t spa_free_bplist[TXG_SIZE]; /* bplist of stuff to free */
45818ee124adeaaf947698996b4f4c722afc6d1fMatthew Ahrens zio_cksum_salt_t spa_cksum_salt; /* secret salt for cksum */
45818ee124adeaaf947698996b4f4c722afc6d1fMatthew Ahrens /* checksum context templates */
45818ee124adeaaf947698996b4f4c722afc6d1fMatthew Ahrens void *spa_cksum_tmpls[ZIO_CHECKSUM_FUNCTIONS];
468c413a79615e77179e8d98f22a7e513a8135bdTim Haley boolean_t spa_extreme_rewind; /* rewind past deferred frees */
44ecc5327ab4ce0750dcca2a17e05566bf2812e2George Wilson uint64_t spa_last_io; /* lbolt of last non-scan I/O */
fa9e4066f08beec538e775443c5be79dd423fcabahrens uint64_t spa_scrub_inflight; /* in-flight scrub I/Os */
fa9e4066f08beec538e775443c5be79dd423fcabahrens kcondvar_t spa_scrub_io_cv; /* scrub I/O completion */
fa9e4066f08beec538e775443c5be79dd423fcabahrens uint8_t spa_scrub_type; /* type of scrub we're doing */
0373e76b3c3643df49ef3483e0f293fdea61d8c6bonwick uint8_t spa_scrub_finished; /* indicator to rotate logs */
088f389458728c464569a5506b58070254fa4f7dahrens uint8_t spa_scrub_started; /* started since last boot */
088f389458728c464569a5506b58070254fa4f7dahrens uint8_t spa_scrub_reopen; /* scrub doing vdev_reopen */
3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling uint64_t spa_scan_pass_start; /* start time per pass/reboot */
3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling uint64_t spa_scan_pass_exam; /* examined bytes per pass */
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock kthread_t *spa_async_thread; /* thread doing async task */
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock int spa_async_suspended; /* async tasks suspended */
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock kcondvar_t spa_async_cv; /* wait for thread_exit() */
468c413a79615e77179e8d98f22a7e513a8135bdTim Haley int spa_last_open_failed; /* error if last open failed */
468c413a79615e77179e8d98f22a7e513a8135bdTim Haley uint64_t spa_last_ubsync_txg; /* "best" uberblock txg */
468c413a79615e77179e8d98f22a7e513a8135bdTim Haley uint64_t spa_last_ubsync_txg_ts; /* timestamp from that ub */
468c413a79615e77179e8d98f22a7e513a8135bdTim Haley uint64_t spa_load_txg_ts; /* timestamp from that ub */
468c413a79615e77179e8d98f22a7e513a8135bdTim Haley uint64_t spa_load_meta_errors; /* verify metadata err count */
468c413a79615e77179e8d98f22a7e513a8135bdTim Haley uint64_t spa_load_data_errors; /* verify data err count */
468c413a79615e77179e8d98f22a7e513a8135bdTim Haley uint64_t spa_verify_min_txg; /* start txg of verify scrub */
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock uint64_t spa_errlog_last; /* last error log object */
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock uint64_t spa_errlog_scrub; /* scrub error log object */
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock kmutex_t spa_errlist_lock; /* error list/ereport lock */
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock avl_tree_t spa_errlist_scrub; /* scrub error list */
39c23413b8df94a95f67b34cfd4a4dfc3fd0b48deschrock vdev_t *spa_pending_vdev; /* pending vdev additions */
b1b8ab34de515a5e83206da22c3d7e563241b021lling uint64_t spa_pool_props_object; /* object for properties */
e14bb3258d05c1b1077e2db7cf77088924e56919Jeff Bonwick uint64_t spa_failmode; /* failure mode for the pool */
e14bb3258d05c1b1077e2db7cf77088924e56919Jeff Bonwick uint64_t spa_delegation; /* delegation on/off */
c5904d138f3bdf0762dbf452a43d5a5c387ea6a8eschrock list_t spa_config_list; /* previous cache file(s) */
6f834bc197c703a6568554c889157fb345bac079Matthew Ahrens /* per-CPU array of root of async I/O: */
e14bb3258d05c1b1077e2db7cf77088924e56919Jeff Bonwick zio_t *spa_suspend_zio_root; /* root of all suspended I/O */
e14bb3258d05c1b1077e2db7cf77088924e56919Jeff Bonwick kmutex_t spa_suspend_lock; /* protects suspend_zio_root */
e14bb3258d05c1b1077e2db7cf77088924e56919Jeff Bonwick kcondvar_t spa_suspend_cv; /* notification of resume */
b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick uint8_t spa_claiming; /* pool is doing zil_claim() */
573ca77e53dd31dcaebef023e7eb41969e6896c1George Wilson uint64_t spa_autoexpand; /* lun expansion on/off */
b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick ddt_t *spa_ddt[ZIO_CHECKSUM_FUNCTIONS]; /* in-core DDTs */
b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick uint64_t spa_ddt_stat_object; /* DDT statistics */
b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick uint64_t spa_dedup_ditto; /* dedup ditto threshold */
b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick uint64_t spa_dedup_checksum; /* default dedup checksum */
485bbbf5450c6645352388d798251c1a89ef4c9cGeorge Wilson uint64_t spa_dspace; /* dspace in normal class */
a15215608b8bd90f714f6db21ee623b584607cb6Jeff Bonwick kmutex_t spa_vdev_top_lock; /* dueling offline/remove */
35a5a3587fd94b666239c157d3722745250ccbd7Jonathan Adams kmutex_t spa_proc_lock; /* protects spa_proc* */
35a5a3587fd94b666239c157d3722745250ccbd7Jonathan Adams kcondvar_t spa_proc_cv; /* spa_proc_state transitions */
35a5a3587fd94b666239c157d3722745250ccbd7Jonathan Adams spa_proc_state_t spa_proc_state; /* see definition */
35a5a3587fd94b666239c157d3722745250ccbd7Jonathan Adams struct proc *spa_proc; /* "zpool-poolname" process */
35a5a3587fd94b666239c157d3722745250ccbd7Jonathan Adams uint64_t spa_did; /* if procp != p0, did of t1 */
b693757a2e07699c354cbc85e1ab83b588553262Eric Schrock boolean_t spa_autoreplace; /* autoreplace set in open */
3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling uint64_t spa_creation_version; /* version at pool creation */
ad135b5d644628e791c3188a6ecbd9c257961ef8Christopher Siden uint64_t spa_prev_software_version; /* See ub_software_version */
ad135b5d644628e791c3188a6ecbd9c257961ef8Christopher Siden uint64_t spa_feat_for_write_obj; /* required to write to pool */
ad135b5d644628e791c3188a6ecbd9c257961ef8Christopher Siden uint64_t spa_feat_for_read_obj; /* required to read from pool */
ad135b5d644628e791c3188a6ecbd9c257961ef8Christopher Siden uint64_t spa_feat_desc_obj; /* Feature descriptions */
43466aae47bfcd2ad9bf501faec8e75c08095e4fMax Grossman uint64_t spa_feat_enabled_txg_obj; /* Feature enabled txg */
43466aae47bfcd2ad9bf501faec8e75c08095e4fMax Grossman /* cache feature refcounts */
43466aae47bfcd2ad9bf501faec8e75c08095e4fMax Grossman uint64_t spa_feat_refcount_cache[SPA_FEATURES];
283b84606b6fc326692c03273de1774e8c122f9aGeorge.Wilson cyclic_id_t spa_deadman_cycid; /* cyclic id */
283b84606b6fc326692c03273de1774e8c122f9aGeorge.Wilson uint64_t spa_deadman_calls; /* number of deadman calls */
69962b5647e4a8b9b14998733b765925381b727eMatthew Ahrens hrtime_t spa_sync_starttime; /* starting time fo spa_sync */
283b84606b6fc326692c03273de1774e8c122f9aGeorge.Wilson uint64_t spa_deadman_synctime; /* deadman expiration timer */
215198a6ad15cf4832370e2f19247abeb36b951aJoe Stein uint64_t spa_all_vdev_zaps; /* ZAP of per-vd ZAP obj #s */
215198a6ad15cf4832370e2f19247abeb36b951aJoe Stein spa_avz_action_t spa_avz_action; /* destroy/rebuild AVZ? */
69962b5647e4a8b9b14998733b765925381b727eMatthew Ahrens * spa_iokstat_lock protects spa_iokstat and
69962b5647e4a8b9b14998733b765925381b727eMatthew Ahrens * spa_queue_stats[].
c3a66015199e1814c2af8f7e6929af2004302e7eMatthew Ahrens struct kstat *spa_iokstat; /* kstat of io to this pool */
69962b5647e4a8b9b14998733b765925381b727eMatthew Ahrens } spa_queue_stats[ZIO_PRIORITY_NUM_QUEUEABLE];
3cb69f734bc60bbb4d56a28c83706db862bec082Will Andrews hrtime_t spa_ccw_fail_time; /* Conf cache write fail time */
f7170741490edba9d1d9c697c177c887172bc741Will Andrews * spa_refcount & spa_config_lock must be the last elements
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens * because refcount_t changes size based on compilation options.
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens * In order for the MDB module to function correctly, the other
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens * fields must remain in the same location.
e14bb3258d05c1b1077e2db7cf77088924e56919Jeff Bonwick spa_config_lock_t spa_config_lock[SCL_LOCKS]; /* config changes */
c5904d138f3bdf0762dbf452a43d5a5c387ea6a8eschrockextern const char *spa_config_path;
ec94d32216ed5705f5176582355cc311cf848e73Adam Leventhalextern void spa_taskq_dispatch_ent(spa_t *spa, zio_type_t t, zio_taskq_type_t q,
ec94d32216ed5705f5176582355cc311cf848e73Adam Leventhal task_func_t *func, void *arg, uint_t flags, taskq_ent_t *ent);
fa9e4066f08beec538e775443c5be79dd423fcabahrens#endif /* _SYS_SPA_IMPL_H */