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Diffstat (limited to 'include/sys/vdev.h')
| -rw-r--r-- | include/sys/vdev.h | 251 |
1 files changed, 0 insertions, 251 deletions
diff --git a/include/sys/vdev.h b/include/sys/vdev.h deleted file mode 100644 index 510474d6c085..000000000000 --- a/include/sys/vdev.h +++ /dev/null @@ -1,251 +0,0 @@ -// SPDX-License-Identifier: CDDL-1.0 -/* - * CDDL HEADER START - * - * The contents of this file are subject to the terms of the - * Common Development and Distribution License (the "License"). - * You may not use this file except in compliance with the License. - * - * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE - * or https://opensource.org/licenses/CDDL-1.0. - * See the License for the specific language governing permissions - * and limitations under the License. - * - * When distributing Covered Code, include this CDDL HEADER in each - * file and include the License file at usr/src/OPENSOLARIS.LICENSE. - * If applicable, add the following below this CDDL HEADER, with the - * fields enclosed by brackets "[]" replaced with your own identifying - * information: Portions Copyright [yyyy] [name of copyright owner] - * - * CDDL HEADER END - */ - -/* - * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. - * Copyright (c) 2011, 2020 by Delphix. All rights reserved. - * Copyright (c) 2017, Intel Corporation. - * Copyright (c) 2019, Datto Inc. All rights reserved. - */ - -#ifndef _SYS_VDEV_H -#define _SYS_VDEV_H - -#include <sys/spa.h> -#include <sys/zio.h> -#include <sys/dmu.h> -#include <sys/space_map.h> -#include <sys/metaslab.h> -#include <sys/fs/zfs.h> - -#ifdef __cplusplus -extern "C" { -#endif - -typedef enum vdev_dtl_type { - DTL_MISSING, /* 0% replication: no copies of the data */ - DTL_PARTIAL, /* less than 100% replication: some copies missing */ - DTL_SCRUB, /* unable to fully repair during scrub/resilver */ - DTL_OUTAGE, /* temporarily missing (used to attempt detach) */ - DTL_TYPES -} vdev_dtl_type_t; - -extern int zfs_nocacheflush; - -typedef boolean_t vdev_open_children_func_t(vdev_t *vd); - -extern void vdev_dbgmsg(vdev_t *vd, const char *fmt, ...) - __attribute__((format(printf, 2, 3))); -extern void vdev_dbgmsg_print_tree(vdev_t *, int); -extern int vdev_open(vdev_t *); -extern void vdev_open_children(vdev_t *); -extern void vdev_open_children_subset(vdev_t *, vdev_open_children_func_t *); -extern int vdev_validate(vdev_t *); -extern int vdev_copy_path_strict(vdev_t *, vdev_t *); -extern void vdev_copy_path_relaxed(vdev_t *, vdev_t *); -extern void vdev_close(vdev_t *); -extern int vdev_create(vdev_t *, uint64_t txg, boolean_t isreplace); -extern void vdev_reopen(vdev_t *); -extern int vdev_validate_aux(vdev_t *vd); -extern zio_t *vdev_probe(vdev_t *vd, zio_t *pio); -extern boolean_t vdev_is_concrete(vdev_t *vd); -extern boolean_t vdev_is_bootable(vdev_t *vd); -extern vdev_t *vdev_lookup_top(spa_t *spa, uint64_t vdev); -extern vdev_t *vdev_lookup_by_guid(vdev_t *vd, uint64_t guid); -extern int vdev_count_leaves(spa_t *spa); -extern void vdev_dtl_dirty(vdev_t *vd, vdev_dtl_type_t d, - uint64_t txg, uint64_t size); -extern boolean_t vdev_dtl_contains(vdev_t *vd, vdev_dtl_type_t d, - uint64_t txg, uint64_t size); -extern boolean_t vdev_dtl_empty(vdev_t *vd, vdev_dtl_type_t d); -extern boolean_t vdev_default_need_resilver(vdev_t *vd, const dva_t *dva, - size_t psize, uint64_t phys_birth); -extern boolean_t vdev_dtl_need_resilver(vdev_t *vd, const dva_t *dva, - size_t psize, uint64_t phys_birth); -extern void vdev_dtl_reassess(vdev_t *vd, uint64_t txg, uint64_t scrub_txg, - boolean_t scrub_done, boolean_t rebuild_done); -extern boolean_t vdev_dtl_required(vdev_t *vd); -extern boolean_t vdev_resilver_needed(vdev_t *vd, - uint64_t *minp, uint64_t *maxp); -extern void vdev_destroy_unlink_zap(vdev_t *vd, uint64_t zapobj, - dmu_tx_t *tx); -extern uint64_t vdev_create_link_zap(vdev_t *vd, dmu_tx_t *tx); -extern void vdev_construct_zaps(vdev_t *vd, dmu_tx_t *tx); -extern void vdev_destroy_spacemaps(vdev_t *vd, dmu_tx_t *tx); -extern void vdev_indirect_mark_obsolete(vdev_t *vd, uint64_t offset, - uint64_t size); -extern void spa_vdev_indirect_mark_obsolete(spa_t *spa, uint64_t vdev, - uint64_t offset, uint64_t size, dmu_tx_t *tx); -extern boolean_t vdev_replace_in_progress(vdev_t *vdev); - -extern void vdev_hold(vdev_t *); -extern void vdev_rele(vdev_t *); - -void vdev_update_nonallocating_space(vdev_t *vd, boolean_t add); -extern int vdev_metaslab_init(vdev_t *vd, uint64_t txg); -extern void vdev_metaslab_fini(vdev_t *vd); -extern void vdev_metaslab_set_size(vdev_t *); -extern void vdev_expand(vdev_t *vd, uint64_t txg); -extern void vdev_split(vdev_t *vd); -extern void vdev_deadman(vdev_t *vd, const char *tag); - -typedef void vdev_xlate_func_t(void *arg, zfs_range_seg64_t *physical_rs); - -extern boolean_t vdev_xlate_is_empty(zfs_range_seg64_t *rs); -extern void vdev_xlate(vdev_t *vd, const zfs_range_seg64_t *logical_rs, - zfs_range_seg64_t *physical_rs, zfs_range_seg64_t *remain_rs); -extern void vdev_xlate_walk(vdev_t *vd, const zfs_range_seg64_t *logical_rs, - vdev_xlate_func_t *func, void *arg); - -extern void vdev_get_stats_ex(vdev_t *vd, vdev_stat_t *vs, vdev_stat_ex_t *vsx); - -extern metaslab_group_t *vdev_get_mg(vdev_t *vd, metaslab_class_t *mc); - -extern void vdev_get_stats(vdev_t *vd, vdev_stat_t *vs); -extern void vdev_clear_stats(vdev_t *vd); -extern void vdev_stat_update(zio_t *zio, uint64_t psize); -extern void vdev_scan_stat_init(vdev_t *vd); -extern void vdev_propagate_state(vdev_t *vd); -extern void vdev_set_state(vdev_t *vd, boolean_t isopen, vdev_state_t state, - vdev_aux_t aux); -extern boolean_t vdev_children_are_offline(vdev_t *vd); - -extern void vdev_space_update(vdev_t *vd, - int64_t alloc_delta, int64_t defer_delta, int64_t space_delta); - -extern int64_t vdev_deflated_space(vdev_t *vd, int64_t space); - -extern uint64_t vdev_asize_to_psize_txg(vdev_t *vd, uint64_t asize, - uint64_t txg); -extern uint64_t vdev_psize_to_asize_txg(vdev_t *vd, uint64_t psize, - uint64_t txg); -extern uint64_t vdev_psize_to_asize(vdev_t *vd, uint64_t psize); -extern uint64_t vdev_get_min_alloc(vdev_t *vd); - -/* - * Return the amount of space allocated for a gang block header. Note that - * since the physical birth txg is not provided, this must be constant for - * a given vdev. (e.g. raidz expansion can't change this) - */ -static inline uint64_t -vdev_gang_header_asize(vdev_t *vd) -{ - return (vdev_psize_to_asize_txg(vd, SPA_OLD_GANGBLOCKSIZE, 0)); -} - -/* - * Return the amount of data that can be stored in a gang header. Because we - * need to ensure gang headers can always be allocated (as long as there is - * space available), this is the minimum allocatable size on the vdev. Note that - * since the physical birth txg is not provided, this must be constant for - * a given vdev. (e.g. raidz expansion can't change this) - */ -static inline uint64_t -vdev_gang_header_psize(vdev_t *vd) -{ - return (vdev_get_min_alloc(vd)); -} - -extern int vdev_fault(spa_t *spa, uint64_t guid, vdev_aux_t aux); -extern int vdev_degrade(spa_t *spa, uint64_t guid, vdev_aux_t aux); -extern int vdev_online(spa_t *spa, uint64_t guid, uint64_t flags, - vdev_state_t *); -extern int vdev_offline(spa_t *spa, uint64_t guid, uint64_t flags); -extern int vdev_remove_wanted(spa_t *spa, uint64_t guid); -extern void vdev_clear(spa_t *spa, vdev_t *vd); - -extern boolean_t vdev_is_dead(vdev_t *vd); -extern boolean_t vdev_readable(vdev_t *vd); -extern boolean_t vdev_writeable(vdev_t *vd); -extern boolean_t vdev_allocatable(vdev_t *vd); -extern boolean_t vdev_accessible(vdev_t *vd, zio_t *zio); -extern boolean_t vdev_is_spacemap_addressable(vdev_t *vd); - -extern void vdev_queue_init(vdev_t *vd); -extern void vdev_queue_fini(vdev_t *vd); -extern zio_t *vdev_queue_io(zio_t *zio); -extern void vdev_queue_io_done(zio_t *zio); -extern void vdev_queue_change_io_priority(zio_t *zio, zio_priority_t priority); - -extern uint32_t vdev_queue_length(vdev_t *vd); -extern uint64_t vdev_queue_last_offset(vdev_t *vd); -extern uint64_t vdev_queue_class_length(vdev_t *vq, zio_priority_t p); -extern boolean_t vdev_queue_pool_busy(spa_t *spa); - -extern void vdev_config_dirty(vdev_t *vd); -extern void vdev_config_clean(vdev_t *vd); -extern int vdev_config_sync(vdev_t **svd, int svdcount, uint64_t txg); - -extern void vdev_state_dirty(vdev_t *vd); -extern void vdev_state_clean(vdev_t *vd); - -extern void vdev_defer_resilver(vdev_t *vd); -extern boolean_t vdev_clear_resilver_deferred(vdev_t *vd, dmu_tx_t *tx); - -typedef enum vdev_config_flag { - VDEV_CONFIG_SPARE = 1 << 0, - VDEV_CONFIG_L2CACHE = 1 << 1, - VDEV_CONFIG_MOS = 1 << 2, - VDEV_CONFIG_MISSING = 1 << 3 -} vdev_config_flag_t; - -extern void vdev_post_kobj_evt(vdev_t *vd); -extern void vdev_clear_kobj_evt(vdev_t *vd); -extern void vdev_top_config_generate(spa_t *spa, nvlist_t *config); -extern nvlist_t *vdev_config_generate(spa_t *spa, vdev_t *vd, - boolean_t getstats, vdev_config_flag_t flags); - -/* - * Label routines - */ -struct uberblock; -extern uint64_t vdev_label_offset(uint64_t psize, int l, uint64_t offset); -extern int vdev_label_number(uint64_t psise, uint64_t offset); -extern nvlist_t *vdev_label_read_config(vdev_t *vd, uint64_t txg); -extern void vdev_uberblock_load(vdev_t *, struct uberblock *, nvlist_t **); -extern void vdev_config_generate_stats(vdev_t *vd, nvlist_t *nv); -extern void vdev_label_write(zio_t *zio, vdev_t *vd, int l, abd_t *buf, uint64_t - offset, uint64_t size, zio_done_func_t *done, void *priv, int flags); -extern int vdev_label_read_bootenv(vdev_t *, nvlist_t *); -extern int vdev_label_write_bootenv(vdev_t *, nvlist_t *); -extern int vdev_uberblock_sync_list(vdev_t **, int, struct uberblock *, int); -extern int vdev_check_boot_reserve(spa_t *, vdev_t *); - -typedef enum { - VDEV_LABEL_CREATE, /* create/add a new device */ - VDEV_LABEL_REPLACE, /* replace an existing device */ - VDEV_LABEL_SPARE, /* add a new hot spare */ - VDEV_LABEL_REMOVE, /* remove an existing device */ - VDEV_LABEL_L2CACHE, /* add an L2ARC cache device */ - VDEV_LABEL_SPLIT /* generating new label for split-off dev */ -} vdev_labeltype_t; - -extern int vdev_label_init(vdev_t *vd, uint64_t txg, vdev_labeltype_t reason); - -extern int vdev_prop_set(vdev_t *vd, nvlist_t *innvl, nvlist_t *outnvl); -extern int vdev_prop_get(vdev_t *vd, nvlist_t *nvprops, nvlist_t *outnvl); - -#ifdef __cplusplus -} -#endif - -#endif /* _SYS_VDEV_H */ |