]>
Commit | Line | Data |
---|---|---|
34dc7c2f BB |
1 | /* |
2 | * CDDL HEADER START | |
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 | /* | |
b128c09f | 22 | * Copyright 2008 Sun Microsystems, Inc. All rights reserved. |
34dc7c2f BB |
23 | * Use is subject to license terms. |
24 | */ | |
25 | ||
26 | #ifndef _SYS_VDEV_H | |
27 | #define _SYS_VDEV_H | |
28 | ||
34dc7c2f BB |
29 | #include <sys/spa.h> |
30 | #include <sys/zio.h> | |
31 | #include <sys/dmu.h> | |
32 | #include <sys/space_map.h> | |
33 | #include <sys/fs/zfs.h> | |
34 | ||
35 | #ifdef __cplusplus | |
36 | extern "C" { | |
37 | #endif | |
38 | ||
39 | extern boolean_t zfs_nocacheflush; | |
40 | ||
34dc7c2f BB |
41 | extern int vdev_open(vdev_t *); |
42 | extern int vdev_validate(vdev_t *); | |
43 | extern void vdev_close(vdev_t *); | |
44 | extern int vdev_create(vdev_t *, uint64_t txg, boolean_t isreplace); | |
45 | extern void vdev_init(vdev_t *, uint64_t txg); | |
46 | extern void vdev_reopen(vdev_t *); | |
47 | extern int vdev_validate_aux(vdev_t *vd); | |
b128c09f | 48 | extern zio_t *vdev_probe(vdev_t *vd, zio_t *pio); |
34dc7c2f | 49 | |
b128c09f | 50 | extern boolean_t vdev_is_bootable(vdev_t *vd); |
34dc7c2f BB |
51 | extern vdev_t *vdev_lookup_top(spa_t *spa, uint64_t vdev); |
52 | extern vdev_t *vdev_lookup_by_guid(vdev_t *vd, uint64_t guid); | |
53 | extern void vdev_dtl_dirty(space_map_t *sm, uint64_t txg, uint64_t size); | |
54 | extern int vdev_dtl_contains(space_map_t *sm, uint64_t txg, uint64_t size); | |
55 | extern void vdev_dtl_reassess(vdev_t *vd, uint64_t txg, uint64_t scrub_txg, | |
56 | int scrub_done); | |
b128c09f BB |
57 | extern boolean_t vdev_resilver_needed(vdev_t *vd, |
58 | uint64_t *minp, uint64_t *maxp); | |
34dc7c2f BB |
59 | |
60 | extern int vdev_metaslab_init(vdev_t *vd, uint64_t txg); | |
61 | extern void vdev_metaslab_fini(vdev_t *vd); | |
62 | ||
63 | extern void vdev_get_stats(vdev_t *vd, vdev_stat_t *vs); | |
64 | extern void vdev_clear_stats(vdev_t *vd); | |
b128c09f | 65 | extern void vdev_stat_update(zio_t *zio, uint64_t psize); |
34dc7c2f BB |
66 | extern void vdev_scrub_stat_update(vdev_t *vd, pool_scrub_type_t type, |
67 | boolean_t complete); | |
68 | extern int vdev_getspec(spa_t *spa, uint64_t vdev, char **vdev_spec); | |
69 | extern void vdev_propagate_state(vdev_t *vd); | |
70 | extern void vdev_set_state(vdev_t *vd, boolean_t isopen, vdev_state_t state, | |
71 | vdev_aux_t aux); | |
72 | ||
73 | extern void vdev_space_update(vdev_t *vd, int64_t space_delta, | |
74 | int64_t alloc_delta, boolean_t update_root); | |
75 | ||
76 | extern uint64_t vdev_psize_to_asize(vdev_t *vd, uint64_t psize); | |
77 | ||
78 | extern int vdev_fault(spa_t *spa, uint64_t guid); | |
79 | extern int vdev_degrade(spa_t *spa, uint64_t guid); | |
80 | extern int vdev_online(spa_t *spa, uint64_t guid, uint64_t flags, | |
81 | vdev_state_t *); | |
82 | extern int vdev_offline(spa_t *spa, uint64_t guid, uint64_t flags); | |
b128c09f | 83 | extern void vdev_clear(spa_t *spa, vdev_t *vd); |
34dc7c2f | 84 | |
b128c09f BB |
85 | extern boolean_t vdev_is_dead(vdev_t *vd); |
86 | extern boolean_t vdev_readable(vdev_t *vd); | |
87 | extern boolean_t vdev_writeable(vdev_t *vd); | |
88 | extern boolean_t vdev_allocatable(vdev_t *vd); | |
89 | extern boolean_t vdev_accessible(vdev_t *vd, zio_t *zio); | |
34dc7c2f BB |
90 | |
91 | extern void vdev_cache_init(vdev_t *vd); | |
92 | extern void vdev_cache_fini(vdev_t *vd); | |
93 | extern int vdev_cache_read(zio_t *zio); | |
94 | extern void vdev_cache_write(zio_t *zio); | |
95 | extern void vdev_cache_purge(vdev_t *vd); | |
96 | ||
97 | extern void vdev_queue_init(vdev_t *vd); | |
98 | extern void vdev_queue_fini(vdev_t *vd); | |
99 | extern zio_t *vdev_queue_io(zio_t *zio); | |
100 | extern void vdev_queue_io_done(zio_t *zio); | |
101 | ||
102 | extern void vdev_config_dirty(vdev_t *vd); | |
103 | extern void vdev_config_clean(vdev_t *vd); | |
104 | extern int vdev_config_sync(vdev_t **svd, int svdcount, uint64_t txg); | |
105 | ||
b128c09f BB |
106 | extern void vdev_state_dirty(vdev_t *vd); |
107 | extern void vdev_state_clean(vdev_t *vd); | |
108 | ||
34dc7c2f BB |
109 | extern nvlist_t *vdev_config_generate(spa_t *spa, vdev_t *vd, |
110 | boolean_t getstats, boolean_t isspare, boolean_t isl2cache); | |
111 | ||
112 | /* | |
113 | * Label routines | |
114 | */ | |
115 | struct uberblock; | |
116 | extern uint64_t vdev_label_offset(uint64_t psize, int l, uint64_t offset); | |
b128c09f | 117 | extern int vdev_label_number(uint64_t psise, uint64_t offset); |
34dc7c2f BB |
118 | extern nvlist_t *vdev_label_read_config(vdev_t *vd); |
119 | extern void vdev_uberblock_load(zio_t *zio, vdev_t *vd, struct uberblock *ub); | |
120 | ||
121 | typedef enum { | |
122 | VDEV_LABEL_CREATE, /* create/add a new device */ | |
123 | VDEV_LABEL_REPLACE, /* replace an existing device */ | |
124 | VDEV_LABEL_SPARE, /* add a new hot spare */ | |
125 | VDEV_LABEL_REMOVE, /* remove an existing device */ | |
126 | VDEV_LABEL_L2CACHE /* add an L2ARC cache device */ | |
127 | } vdev_labeltype_t; | |
128 | ||
129 | extern int vdev_label_init(vdev_t *vd, uint64_t txg, vdev_labeltype_t reason); | |
130 | ||
131 | #ifdef __cplusplus | |
132 | } | |
133 | #endif | |
134 | ||
135 | #endif /* _SYS_VDEV_H */ |