52extern void vdev_close(vdev_t *);
53extern int vdev_create(vdev_t *, uint64_t txg, boolean_t isreplace);
54extern void vdev_reopen(vdev_t *);
55extern int vdev_validate_aux(vdev_t *vd);
56extern zio_t *vdev_probe(vdev_t *vd, zio_t *pio);
57
58extern boolean_t vdev_is_bootable(vdev_t *vd);
59extern vdev_t *vdev_lookup_top(spa_t *spa, uint64_t vdev);
60extern vdev_t *vdev_lookup_by_guid(vdev_t *vd, uint64_t guid);
61extern void vdev_dtl_dirty(vdev_t *vd, vdev_dtl_type_t d,
62 uint64_t txg, uint64_t size);
63extern boolean_t vdev_dtl_contains(vdev_t *vd, vdev_dtl_type_t d,
64 uint64_t txg, uint64_t size);
65extern boolean_t vdev_dtl_empty(vdev_t *vd, vdev_dtl_type_t d);
66extern void vdev_dtl_reassess(vdev_t *vd, uint64_t txg, uint64_t scrub_txg,
67 int scrub_done);
68extern boolean_t vdev_dtl_required(vdev_t *vd);
69extern boolean_t vdev_resilver_needed(vdev_t *vd,
70 uint64_t *minp, uint64_t *maxp);
71
72extern void vdev_hold(vdev_t *);
73extern void vdev_rele(vdev_t *);
74
75extern int vdev_metaslab_init(vdev_t *vd, uint64_t txg);
76extern void vdev_metaslab_fini(vdev_t *vd);
77extern void vdev_metaslab_set_size(vdev_t *);
78extern void vdev_expand(vdev_t *vd, uint64_t txg);
79extern void vdev_split(vdev_t *vd);
80
81
82extern void vdev_get_stats(vdev_t *vd, vdev_stat_t *vs);
83extern void vdev_clear_stats(vdev_t *vd);
84extern void vdev_stat_update(zio_t *zio, uint64_t psize);
85extern void vdev_scan_stat_init(vdev_t *vd);
86extern void vdev_propagate_state(vdev_t *vd);
87extern void vdev_set_state(vdev_t *vd, boolean_t isopen, vdev_state_t state,
88 vdev_aux_t aux);
89
90extern void vdev_space_update(vdev_t *vd,
91 int64_t alloc_delta, int64_t defer_delta, int64_t space_delta);
92
93extern uint64_t vdev_psize_to_asize(vdev_t *vd, uint64_t psize);
94
95extern int vdev_fault(spa_t *spa, uint64_t guid, vdev_aux_t aux);
96extern int vdev_degrade(spa_t *spa, uint64_t guid, vdev_aux_t aux);
97extern int vdev_online(spa_t *spa, uint64_t guid, uint64_t flags,
98 vdev_state_t *);
99extern int vdev_offline(spa_t *spa, uint64_t guid, uint64_t flags);
100extern void vdev_clear(spa_t *spa, vdev_t *vd);
101
102extern boolean_t vdev_is_dead(vdev_t *vd);
103extern boolean_t vdev_readable(vdev_t *vd);
104extern boolean_t vdev_writeable(vdev_t *vd);
105extern boolean_t vdev_allocatable(vdev_t *vd);
106extern boolean_t vdev_accessible(vdev_t *vd, zio_t *zio);
107
108extern void vdev_cache_init(vdev_t *vd);
109extern void vdev_cache_fini(vdev_t *vd);
110extern int vdev_cache_read(zio_t *zio);
111extern void vdev_cache_write(zio_t *zio);
112extern void vdev_cache_purge(vdev_t *vd);
113
114extern void vdev_queue_init(vdev_t *vd);
115extern void vdev_queue_fini(vdev_t *vd);
116extern zio_t *vdev_queue_io(zio_t *zio);
117extern void vdev_queue_io_done(zio_t *zio);
118
119extern void vdev_config_dirty(vdev_t *vd);
120extern void vdev_config_clean(vdev_t *vd);
121extern int vdev_config_sync(vdev_t **svd, int svdcount, uint64_t txg,
122 boolean_t);
123
124extern void vdev_state_dirty(vdev_t *vd);
125extern void vdev_state_clean(vdev_t *vd);
126
127typedef enum vdev_config_flag {
128 VDEV_CONFIG_SPARE = 1 << 0,
129 VDEV_CONFIG_L2CACHE = 1 << 1,
130 VDEV_CONFIG_REMOVING = 1 << 2
131} vdev_config_flag_t;
132
133extern void vdev_top_config_generate(spa_t *spa, nvlist_t *config);
134extern nvlist_t *vdev_config_generate(spa_t *spa, vdev_t *vd,
135 boolean_t getstats, vdev_config_flag_t flags);
136
137/*
138 * Label routines
139 */
140struct uberblock;
141extern uint64_t vdev_label_offset(uint64_t psize, int l, uint64_t offset);
142extern int vdev_label_number(uint64_t psise, uint64_t offset);
143extern nvlist_t *vdev_label_read_config(vdev_t *vd);
144extern void vdev_uberblock_load(zio_t *zio, vdev_t *vd, struct uberblock *ub);
145
146typedef enum {
147 VDEV_LABEL_CREATE, /* create/add a new device */
148 VDEV_LABEL_REPLACE, /* replace an existing device */
149 VDEV_LABEL_SPARE, /* add a new hot spare */
150 VDEV_LABEL_REMOVE, /* remove an existing device */
151 VDEV_LABEL_L2CACHE, /* add an L2ARC cache device */
152 VDEV_LABEL_SPLIT /* generating new label for split-off dev */
153} vdev_labeltype_t;
154
155extern int vdev_label_init(vdev_t *vd, uint64_t txg, vdev_labeltype_t reason);
156
157#ifdef __cplusplus
158}
159#endif
160
161#endif /* _SYS_VDEV_H */
| 53extern void vdev_close(vdev_t *);
54extern int vdev_create(vdev_t *, uint64_t txg, boolean_t isreplace);
55extern void vdev_reopen(vdev_t *);
56extern int vdev_validate_aux(vdev_t *vd);
57extern zio_t *vdev_probe(vdev_t *vd, zio_t *pio);
58
59extern boolean_t vdev_is_bootable(vdev_t *vd);
60extern vdev_t *vdev_lookup_top(spa_t *spa, uint64_t vdev);
61extern vdev_t *vdev_lookup_by_guid(vdev_t *vd, uint64_t guid);
62extern void vdev_dtl_dirty(vdev_t *vd, vdev_dtl_type_t d,
63 uint64_t txg, uint64_t size);
64extern boolean_t vdev_dtl_contains(vdev_t *vd, vdev_dtl_type_t d,
65 uint64_t txg, uint64_t size);
66extern boolean_t vdev_dtl_empty(vdev_t *vd, vdev_dtl_type_t d);
67extern void vdev_dtl_reassess(vdev_t *vd, uint64_t txg, uint64_t scrub_txg,
68 int scrub_done);
69extern boolean_t vdev_dtl_required(vdev_t *vd);
70extern boolean_t vdev_resilver_needed(vdev_t *vd,
71 uint64_t *minp, uint64_t *maxp);
72
73extern void vdev_hold(vdev_t *);
74extern void vdev_rele(vdev_t *);
75
76extern int vdev_metaslab_init(vdev_t *vd, uint64_t txg);
77extern void vdev_metaslab_fini(vdev_t *vd);
78extern void vdev_metaslab_set_size(vdev_t *);
79extern void vdev_expand(vdev_t *vd, uint64_t txg);
80extern void vdev_split(vdev_t *vd);
81
82
83extern void vdev_get_stats(vdev_t *vd, vdev_stat_t *vs);
84extern void vdev_clear_stats(vdev_t *vd);
85extern void vdev_stat_update(zio_t *zio, uint64_t psize);
86extern void vdev_scan_stat_init(vdev_t *vd);
87extern void vdev_propagate_state(vdev_t *vd);
88extern void vdev_set_state(vdev_t *vd, boolean_t isopen, vdev_state_t state,
89 vdev_aux_t aux);
90
91extern void vdev_space_update(vdev_t *vd,
92 int64_t alloc_delta, int64_t defer_delta, int64_t space_delta);
93
94extern uint64_t vdev_psize_to_asize(vdev_t *vd, uint64_t psize);
95
96extern int vdev_fault(spa_t *spa, uint64_t guid, vdev_aux_t aux);
97extern int vdev_degrade(spa_t *spa, uint64_t guid, vdev_aux_t aux);
98extern int vdev_online(spa_t *spa, uint64_t guid, uint64_t flags,
99 vdev_state_t *);
100extern int vdev_offline(spa_t *spa, uint64_t guid, uint64_t flags);
101extern void vdev_clear(spa_t *spa, vdev_t *vd);
102
103extern boolean_t vdev_is_dead(vdev_t *vd);
104extern boolean_t vdev_readable(vdev_t *vd);
105extern boolean_t vdev_writeable(vdev_t *vd);
106extern boolean_t vdev_allocatable(vdev_t *vd);
107extern boolean_t vdev_accessible(vdev_t *vd, zio_t *zio);
108
109extern void vdev_cache_init(vdev_t *vd);
110extern void vdev_cache_fini(vdev_t *vd);
111extern int vdev_cache_read(zio_t *zio);
112extern void vdev_cache_write(zio_t *zio);
113extern void vdev_cache_purge(vdev_t *vd);
114
115extern void vdev_queue_init(vdev_t *vd);
116extern void vdev_queue_fini(vdev_t *vd);
117extern zio_t *vdev_queue_io(zio_t *zio);
118extern void vdev_queue_io_done(zio_t *zio);
119
120extern void vdev_config_dirty(vdev_t *vd);
121extern void vdev_config_clean(vdev_t *vd);
122extern int vdev_config_sync(vdev_t **svd, int svdcount, uint64_t txg,
123 boolean_t);
124
125extern void vdev_state_dirty(vdev_t *vd);
126extern void vdev_state_clean(vdev_t *vd);
127
128typedef enum vdev_config_flag {
129 VDEV_CONFIG_SPARE = 1 << 0,
130 VDEV_CONFIG_L2CACHE = 1 << 1,
131 VDEV_CONFIG_REMOVING = 1 << 2
132} vdev_config_flag_t;
133
134extern void vdev_top_config_generate(spa_t *spa, nvlist_t *config);
135extern nvlist_t *vdev_config_generate(spa_t *spa, vdev_t *vd,
136 boolean_t getstats, vdev_config_flag_t flags);
137
138/*
139 * Label routines
140 */
141struct uberblock;
142extern uint64_t vdev_label_offset(uint64_t psize, int l, uint64_t offset);
143extern int vdev_label_number(uint64_t psise, uint64_t offset);
144extern nvlist_t *vdev_label_read_config(vdev_t *vd);
145extern void vdev_uberblock_load(zio_t *zio, vdev_t *vd, struct uberblock *ub);
146
147typedef enum {
148 VDEV_LABEL_CREATE, /* create/add a new device */
149 VDEV_LABEL_REPLACE, /* replace an existing device */
150 VDEV_LABEL_SPARE, /* add a new hot spare */
151 VDEV_LABEL_REMOVE, /* remove an existing device */
152 VDEV_LABEL_L2CACHE, /* add an L2ARC cache device */
153 VDEV_LABEL_SPLIT /* generating new label for split-off dev */
154} vdev_labeltype_t;
155
156extern int vdev_label_init(vdev_t *vd, uint64_t txg, vdev_labeltype_t reason);
157
158#ifdef __cplusplus
159}
160#endif
161
162#endif /* _SYS_VDEV_H */
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