2 * Copyright (c) 2004, 2007 Lukas Ertl
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 #ifndef _GEOM_VINUM_H_
30 #define _GEOM_VINUM_H_
32 /* geom_vinum_create.c */
33 void gv_concat(struct g_geom *gp, struct gctl_req *);
34 void gv_mirror(struct g_geom *gp, struct gctl_req *);
35 void gv_stripe(struct g_geom *gp, struct gctl_req *);
36 void gv_raid5(struct g_geom *gp, struct gctl_req *);
37 int gv_create_drive(struct gv_softc *, struct gv_drive *);
38 int gv_create_volume(struct gv_softc *, struct gv_volume *);
39 int gv_create_plex(struct gv_softc *, struct gv_plex *);
40 int gv_create_sd(struct gv_softc *, struct gv_sd *);
42 /* geom_vinum_drive.c */
43 void gv_save_config(struct gv_softc *);
44 int gv_read_header(struct g_consumer *, struct gv_hdr *);
45 int gv_write_header(struct g_consumer *, struct gv_hdr *);
47 /* geom_vinum_init.c */
48 void gv_start_obj(struct g_geom *, struct gctl_req *);
49 int gv_start_plex(struct gv_plex *);
50 int gv_start_vol(struct gv_volume *);
52 /* geom_vinum_list.c */
53 void gv_ld(struct g_geom *, struct gctl_req *, struct sbuf *);
54 void gv_lp(struct g_geom *, struct gctl_req *, struct sbuf *);
55 void gv_ls(struct g_geom *, struct gctl_req *, struct sbuf *);
56 void gv_lv(struct g_geom *, struct gctl_req *, struct sbuf *);
57 void gv_list(struct g_geom *, struct gctl_req *);
59 /* geom_vinum_move.c */
60 void gv_move(struct g_geom *, struct gctl_req *);
61 int gv_move_sd(struct gv_softc *, struct gv_sd *, struct gv_drive *, int);
63 /* geom_vinum_rename.c */
64 void gv_rename(struct g_geom *, struct gctl_req *);
65 int gv_rename_drive(struct gv_softc *, struct gv_drive *, char *, int);
66 int gv_rename_plex(struct gv_softc *, struct gv_plex *, char *, int);
67 int gv_rename_sd(struct gv_softc *, struct gv_sd *, char *, int);
68 int gv_rename_vol(struct gv_softc *, struct gv_volume *, char *, int);
71 void gv_remove(struct g_geom *, struct gctl_req *);
72 int gv_resetconfig(struct gv_softc *);
73 void gv_rm_sd(struct gv_softc *sc, struct gv_sd *s);
74 void gv_rm_drive(struct gv_softc *, struct gv_drive *, int);
75 void gv_rm_plex(struct gv_softc *, struct gv_plex *);
76 void gv_rm_vol(struct gv_softc *, struct gv_volume *);
79 /* geom_vinum_state.c */
80 int gv_sdstatemap(struct gv_plex *);
81 void gv_setstate(struct g_geom *, struct gctl_req *);
82 int gv_set_drive_state(struct gv_drive *, int, int);
83 int gv_set_sd_state(struct gv_sd *, int, int);
84 int gv_set_vol_state(struct gv_volume *, int, int);
85 int gv_set_plex_state(struct gv_plex *, int, int);
86 void gv_update_sd_state(struct gv_sd *);
87 void gv_update_plex_state(struct gv_plex *);
88 void gv_update_vol_state(struct gv_volume *);
90 /* geom_vinum_subr.c */
91 void gv_adjust_freespace(struct gv_sd *, off_t);
92 void gv_free_sd(struct gv_sd *);
93 struct gv_drive *gv_find_drive(struct gv_softc *, char *);
94 struct gv_drive *gv_find_drive_device(struct gv_softc *, char *);
95 struct gv_plex *gv_find_plex(struct gv_softc *, char *);
96 struct gv_sd *gv_find_sd(struct gv_softc *, char *);
97 struct gv_volume *gv_find_vol(struct gv_softc *, char *);
98 void gv_format_config(struct gv_softc *, struct sbuf *, int,
100 int gv_is_striped(struct gv_plex *);
101 int gv_consumer_is_open(struct g_consumer *);
102 int gv_provider_is_open(struct g_provider *);
103 int gv_object_type(struct gv_softc *, char *);
104 void gv_parse_config(struct gv_softc *, char *,
106 int gv_sd_to_drive(struct gv_sd *, struct gv_drive *);
107 int gv_sd_to_plex(struct gv_sd *, struct gv_plex *);
108 int gv_sdcount(struct gv_plex *, int);
109 void gv_update_plex_config(struct gv_plex *);
110 void gv_update_vol_size(struct gv_volume *, off_t);
111 off_t gv_vol_size(struct gv_volume *);
112 off_t gv_plex_size(struct gv_plex *);
113 int gv_plexdown(struct gv_volume *);
114 int gv_attach_plex(struct gv_plex *, struct gv_volume *,
116 int gv_attach_sd(struct gv_sd *, struct gv_plex *, off_t,
118 int gv_detach_plex(struct gv_plex *, int);
119 int gv_detach_sd(struct gv_sd *, int);
122 void gv_worker(void *);
123 void gv_post_event(struct gv_softc *, int, void *, void *, intmax_t,
125 void gv_worker_exit(struct gv_softc *);
126 struct gv_event *gv_get_event(struct gv_softc *);
127 void gv_remove_event(struct gv_softc *, struct gv_event *);
128 void gv_drive_tasted(struct gv_softc *, struct g_provider *);
129 void gv_drive_lost(struct gv_softc *, struct gv_drive *);
130 void gv_setup_objects(struct gv_softc *);
131 void gv_start(struct bio *);
132 int gv_access(struct g_provider *, int, int, int);
133 void gv_cleanup(struct gv_softc *);
135 /* geom_vinum_volume.c */
136 void gv_done(struct bio *);
137 void gv_volume_start(struct gv_softc *, struct bio *);
138 void gv_volume_flush(struct gv_volume *);
139 void gv_bio_done(struct gv_softc *, struct bio *);
141 /* geom_vinum_plex.c */
142 void gv_plex_start(struct gv_plex *, struct bio *);
143 void gv_plex_raid5_done(struct gv_plex *, struct bio *);
144 void gv_plex_normal_done(struct gv_plex *, struct bio *);
145 int gv_grow_request(struct gv_plex *, off_t, off_t, int, caddr_t);
146 void gv_grow_complete(struct gv_plex *, struct bio *);
147 void gv_init_request(struct gv_sd *, off_t, caddr_t, off_t);
148 void gv_init_complete(struct gv_plex *, struct bio *);
149 void gv_parity_request(struct gv_plex *, int, off_t);
150 void gv_parity_complete(struct gv_plex *, struct bio *);
151 void gv_rebuild_complete(struct gv_plex *, struct bio *);
152 int gv_sync_request(struct gv_plex *, struct gv_plex *, off_t, off_t, int,
154 int gv_sync_complete(struct gv_plex *, struct bio *);
156 extern u_int g_vinum_debug;
158 #define G_VINUM_DEBUG(lvl, ...) do { \
159 if (g_vinum_debug >= (lvl)) { \
160 printf("GEOM_VINUM"); \
161 if (g_vinum_debug > 0) \
162 printf("[%u]", lvl); \
164 printf(__VA_ARGS__); \
169 #define G_VINUM_LOGREQ(lvl, bp, ...) do { \
170 if (g_vinum_debug >= (lvl)) { \
171 printf("GEOM_VINUM"); \
172 if (g_vinum_debug > 0) \
173 printf("[%u]", lvl); \
175 printf(__VA_ARGS__); \
182 #endif /* !_GEOM_VINUM_H_ */