1fa9e4066Sahrens /* 2fa9e4066Sahrens * CDDL HEADER START 3fa9e4066Sahrens * 4fa9e4066Sahrens * The contents of this file are subject to the terms of the 5ea8dc4b6Seschrock * Common Development and Distribution License (the "License"). 6ea8dc4b6Seschrock * You may not use this file except in compliance with the License. 7fa9e4066Sahrens * 8fa9e4066Sahrens * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9fa9e4066Sahrens * or http://www.opensolaris.org/os/licensing. 10fa9e4066Sahrens * See the License for the specific language governing permissions 11fa9e4066Sahrens * and limitations under the License. 12fa9e4066Sahrens * 13fa9e4066Sahrens * When distributing Covered Code, include this CDDL HEADER in each 14fa9e4066Sahrens * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15fa9e4066Sahrens * If applicable, add the following below this CDDL HEADER, with the 16fa9e4066Sahrens * fields enclosed by brackets "[]" replaced with your own identifying 17fa9e4066Sahrens * information: Portions Copyright [yyyy] [name of copyright owner] 18fa9e4066Sahrens * 19fa9e4066Sahrens * CDDL HEADER END 20fa9e4066Sahrens */ 21fa9e4066Sahrens /* 2239c23413Seschrock * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 23fa9e4066Sahrens * Use is subject to license terms. 24fa9e4066Sahrens */ 25fa9e4066Sahrens 26fa9e4066Sahrens #ifndef _SYS_SPA_IMPL_H 27fa9e4066Sahrens #define _SYS_SPA_IMPL_H 28fa9e4066Sahrens 29fa9e4066Sahrens #pragma ident "%Z%%M% %I% %E% SMI" 30fa9e4066Sahrens 31fa9e4066Sahrens #include <sys/spa.h> 32fa9e4066Sahrens #include <sys/vdev.h> 33fa9e4066Sahrens #include <sys/metaslab.h> 34fa9e4066Sahrens #include <sys/dmu.h> 35fa9e4066Sahrens #include <sys/dsl_pool.h> 36fa9e4066Sahrens #include <sys/uberblock_impl.h> 37fa9e4066Sahrens #include <sys/zfs_context.h> 38fa9e4066Sahrens #include <sys/avl.h> 39fa9e4066Sahrens #include <sys/refcount.h> 40fa9e4066Sahrens #include <sys/bplist.h> 41fa9e4066Sahrens 42fa9e4066Sahrens #ifdef __cplusplus 43fa9e4066Sahrens extern "C" { 44fa9e4066Sahrens #endif 45fa9e4066Sahrens 46fa9e4066Sahrens typedef struct spa_config_lock { 47fa9e4066Sahrens kmutex_t scl_lock; 48ea8dc4b6Seschrock refcount_t scl_count; 49fa9e4066Sahrens kthread_t *scl_writer; 50fa9e4066Sahrens kcondvar_t scl_cv; 51fa9e4066Sahrens } spa_config_lock_t; 52fa9e4066Sahrens 53ea8dc4b6Seschrock typedef struct spa_error_entry { 54ea8dc4b6Seschrock zbookmark_t se_bookmark; 55ea8dc4b6Seschrock char *se_name; 56ea8dc4b6Seschrock avl_node_t se_avl; 57ea8dc4b6Seschrock } spa_error_entry_t; 58ea8dc4b6Seschrock 5906eeb2adSek typedef struct spa_history_phys { 6006eeb2adSek uint64_t sh_pool_create_len; /* ending offset of zpool create */ 6106eeb2adSek uint64_t sh_phys_max_off; /* physical EOF */ 6206eeb2adSek uint64_t sh_bof; /* logical BOF */ 6306eeb2adSek uint64_t sh_eof; /* logical EOF */ 6406eeb2adSek uint64_t sh_records_lost; /* num of records overwritten */ 6506eeb2adSek } spa_history_phys_t; 6606eeb2adSek 67b1b8ab34Slling typedef struct spa_props { 68b1b8ab34Slling nvlist_t *spa_props_nvp; 69b1b8ab34Slling list_node_t spa_list_node; 70b1b8ab34Slling } spa_props_t; 71b1b8ab34Slling 72fa9e4066Sahrens struct spa { 73fa9e4066Sahrens /* 74fa9e4066Sahrens * Fields protected by spa_namespace_lock. 75fa9e4066Sahrens */ 760373e76bSbonwick char *spa_name; /* pool name */ 770373e76bSbonwick avl_node_t spa_avl; /* node in spa_namespace_avl */ 780373e76bSbonwick nvlist_t *spa_config; /* last synced config */ 790373e76bSbonwick nvlist_t *spa_config_syncing; /* currently syncing config */ 80fa9e4066Sahrens uint64_t spa_config_txg; /* txg of last config change */ 81fa9e4066Sahrens kmutex_t spa_config_cache_lock; /* for spa_config RW_READER */ 82fa9e4066Sahrens int spa_sync_pass; /* iterate-to-convergence */ 83fa9e4066Sahrens int spa_state; /* pool state */ 84ea8dc4b6Seschrock int spa_inject_ref; /* injection references */ 85fa9e4066Sahrens uint8_t spa_traverse_wanted; /* traverse lock wanted */ 86ea8dc4b6Seschrock uint8_t spa_sync_on; /* sync threads are running */ 87ea8dc4b6Seschrock spa_load_state_t spa_load_state; /* current load operation */ 88fa9e4066Sahrens taskq_t *spa_zio_issue_taskq[ZIO_TYPES]; 89fa9e4066Sahrens taskq_t *spa_zio_intr_taskq[ZIO_TYPES]; 90fa9e4066Sahrens dsl_pool_t *spa_dsl_pool; 91fa9e4066Sahrens metaslab_class_t *spa_normal_class; /* normal data class */ 92*8654d025Sperrin metaslab_class_t *spa_log_class; /* intent log data class */ 93fa9e4066Sahrens uint64_t spa_first_txg; /* first txg after spa_open() */ 940373e76bSbonwick uint64_t spa_final_txg; /* txg of export/destroy */ 95fa9e4066Sahrens uint64_t spa_freeze_txg; /* freeze pool at this txg */ 96fa9e4066Sahrens objset_t *spa_meta_objset; /* copy of dp->dp_meta_objset */ 97fa9e4066Sahrens txg_list_t spa_vdev_txg_list; /* per-txg dirty vdev list */ 98fa9e4066Sahrens vdev_t *spa_root_vdev; /* top-level vdev container */ 99b5989ec7Seschrock uint64_t spa_load_guid; /* initial guid for spa_load */ 100fa9e4066Sahrens list_t spa_dirty_list; /* vdevs with dirty labels */ 10199653d4eSeschrock uint64_t spa_spares_object; /* MOS object for spare list */ 10299653d4eSeschrock nvlist_t *spa_sparelist; /* cached spare config */ 10399653d4eSeschrock vdev_t **spa_spares; /* available hot spares */ 10499653d4eSeschrock int spa_nspares; /* number of hot spares */ 10599653d4eSeschrock boolean_t spa_sync_spares; /* sync the spares list */ 106fa9e4066Sahrens uint64_t spa_config_object; /* MOS object for pool config */ 107fa9e4066Sahrens uint64_t spa_syncing_txg; /* txg currently syncing */ 108fa9e4066Sahrens uint64_t spa_sync_bplist_obj; /* object for deferred frees */ 109fa9e4066Sahrens bplist_t spa_sync_bplist; /* deferred-free bplist */ 110fa9e4066Sahrens krwlock_t spa_traverse_lock; /* traverse vs. spa_sync() */ 111fa9e4066Sahrens uberblock_t spa_ubsync; /* last synced uberblock */ 112fa9e4066Sahrens uberblock_t spa_uberblock; /* current uberblock */ 113fa9e4066Sahrens kmutex_t spa_scrub_lock; /* resilver/scrub lock */ 114fa9e4066Sahrens kthread_t *spa_scrub_thread; /* scrub/resilver thread */ 115fa9e4066Sahrens traverse_handle_t *spa_scrub_th; /* scrub traverse handle */ 116fa9e4066Sahrens uint64_t spa_scrub_restart_txg; /* need to restart */ 117ea8dc4b6Seschrock uint64_t spa_scrub_mintxg; /* min txg we'll scrub */ 118fa9e4066Sahrens uint64_t spa_scrub_maxtxg; /* max txg we'll scrub */ 119fa9e4066Sahrens uint64_t spa_scrub_inflight; /* in-flight scrub I/Os */ 12005b2b3b8Smishra uint64_t spa_scrub_maxinflight; /* max in-flight scrub I/Os */ 121fa9e4066Sahrens uint64_t spa_scrub_errors; /* scrub I/O error count */ 122ea8dc4b6Seschrock int spa_scrub_suspended; /* tell scrubber to suspend */ 123fa9e4066Sahrens kcondvar_t spa_scrub_cv; /* scrub thread state change */ 124fa9e4066Sahrens kcondvar_t spa_scrub_io_cv; /* scrub I/O completion */ 125fa9e4066Sahrens uint8_t spa_scrub_stop; /* tell scrubber to stop */ 126fa9e4066Sahrens uint8_t spa_scrub_active; /* active or suspended? */ 127fa9e4066Sahrens uint8_t spa_scrub_type; /* type of scrub we're doing */ 1280373e76bSbonwick uint8_t spa_scrub_finished; /* indicator to rotate logs */ 129ea8dc4b6Seschrock kmutex_t spa_async_lock; /* protect async state */ 130ea8dc4b6Seschrock kthread_t *spa_async_thread; /* thread doing async task */ 131ea8dc4b6Seschrock int spa_async_suspended; /* async tasks suspended */ 132ea8dc4b6Seschrock kcondvar_t spa_async_cv; /* wait for thread_exit() */ 133ea8dc4b6Seschrock uint16_t spa_async_tasks; /* async task mask */ 134fa9e4066Sahrens char *spa_root; /* alternate root directory */ 135fa9e4066Sahrens kmutex_t spa_uberblock_lock; /* vdev_uberblock_load_done() */ 136ea8dc4b6Seschrock uint64_t spa_ena; /* spa-wide ereport ENA */ 137ea8dc4b6Seschrock boolean_t spa_last_open_failed; /* true if last open faled */ 138ea8dc4b6Seschrock kmutex_t spa_errlog_lock; /* error log lock */ 139ea8dc4b6Seschrock uint64_t spa_errlog_last; /* last error log object */ 140ea8dc4b6Seschrock uint64_t spa_errlog_scrub; /* scrub error log object */ 141ea8dc4b6Seschrock kmutex_t spa_errlist_lock; /* error list/ereport lock */ 142ea8dc4b6Seschrock avl_tree_t spa_errlist_last; /* last error list */ 143ea8dc4b6Seschrock avl_tree_t spa_errlist_scrub; /* scrub error list */ 14499653d4eSeschrock uint64_t spa_deflate; /* should we deflate? */ 14506eeb2adSek uint64_t spa_history; /* history object */ 14606eeb2adSek kmutex_t spa_history_lock; /* history lock */ 14739c23413Seschrock vdev_t *spa_pending_vdev; /* pending vdev additions */ 14839c23413Seschrock nvlist_t **spa_pending_spares; /* pending spare additions */ 14939c23413Seschrock uint_t spa_pending_nspares; /* # pending spares */ 150b1b8ab34Slling kmutex_t spa_props_lock; /* property lock */ 151b1b8ab34Slling uint64_t spa_pool_props_object; /* object for properties */ 152b1b8ab34Slling uint64_t spa_bootfs; /* default boot filesystem */ 153fa9e4066Sahrens /* 154fa9e4066Sahrens * spa_refcnt must be the last element because it changes size based on 155fa9e4066Sahrens * compilation options. In order for the MDB module to function 156fa9e4066Sahrens * correctly, the other fields must remain in the same location. 157fa9e4066Sahrens */ 15899653d4eSeschrock spa_config_lock_t spa_config_lock; /* configuration changes */ 159fa9e4066Sahrens refcount_t spa_refcount; /* number of opens */ 160fa9e4066Sahrens }; 161fa9e4066Sahrens 162fa9e4066Sahrens extern const char *spa_config_dir; 163fa9e4066Sahrens extern kmutex_t spa_namespace_lock; 164fa9e4066Sahrens 165fa9e4066Sahrens #ifdef __cplusplus 166fa9e4066Sahrens } 167fa9e4066Sahrens #endif 168fa9e4066Sahrens 169fa9e4066Sahrens #endif /* _SYS_SPA_IMPL_H */ 170