1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2004, 2007 Lukas Ertl 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * $FreeBSD$ 29 */ 30 31 #ifndef _GEOM_VINUM_H_ 32 #define _GEOM_VINUM_H_ 33 34 /* geom_vinum_create.c */ 35 void gv_concat(struct g_geom *gp, struct gctl_req *); 36 void gv_mirror(struct g_geom *gp, struct gctl_req *); 37 void gv_stripe(struct g_geom *gp, struct gctl_req *); 38 void gv_raid5(struct g_geom *gp, struct gctl_req *); 39 int gv_create_drive(struct gv_softc *, struct gv_drive *); 40 int gv_create_volume(struct gv_softc *, struct gv_volume *); 41 int gv_create_plex(struct gv_softc *, struct gv_plex *); 42 int gv_create_sd(struct gv_softc *, struct gv_sd *); 43 44 /* geom_vinum_drive.c */ 45 void gv_save_config(struct gv_softc *); 46 int gv_read_header(struct g_consumer *, struct gv_hdr *); 47 int gv_write_header(struct g_consumer *, struct gv_hdr *); 48 49 /* geom_vinum_init.c */ 50 void gv_start_obj(struct g_geom *, struct gctl_req *); 51 int gv_start_plex(struct gv_plex *); 52 int gv_start_vol(struct gv_volume *); 53 54 /* geom_vinum_list.c */ 55 void gv_ld(struct g_geom *, struct gctl_req *, struct sbuf *); 56 void gv_lp(struct g_geom *, struct gctl_req *, struct sbuf *); 57 void gv_ls(struct g_geom *, struct gctl_req *, struct sbuf *); 58 void gv_lv(struct g_geom *, struct gctl_req *, struct sbuf *); 59 void gv_list(struct g_geom *, struct gctl_req *); 60 61 /* geom_vinum_move.c */ 62 void gv_move(struct g_geom *, struct gctl_req *); 63 int gv_move_sd(struct gv_softc *, struct gv_sd *, struct gv_drive *, int); 64 65 /* geom_vinum_rename.c */ 66 void gv_rename(struct g_geom *, struct gctl_req *); 67 int gv_rename_drive(struct gv_softc *, struct gv_drive *, char *, int); 68 int gv_rename_plex(struct gv_softc *, struct gv_plex *, char *, int); 69 int gv_rename_sd(struct gv_softc *, struct gv_sd *, char *, int); 70 int gv_rename_vol(struct gv_softc *, struct gv_volume *, char *, int); 71 72 /* geom_vinum_rm.c */ 73 void gv_remove(struct g_geom *, struct gctl_req *); 74 int gv_resetconfig(struct gv_softc *); 75 void gv_rm_sd(struct gv_softc *sc, struct gv_sd *s); 76 void gv_rm_drive(struct gv_softc *, struct gv_drive *, int); 77 void gv_rm_plex(struct gv_softc *, struct gv_plex *); 78 void gv_rm_vol(struct gv_softc *, struct gv_volume *); 79 80 81 /* geom_vinum_state.c */ 82 int gv_sdstatemap(struct gv_plex *); 83 void gv_setstate(struct g_geom *, struct gctl_req *); 84 int gv_set_drive_state(struct gv_drive *, int, int); 85 int gv_set_sd_state(struct gv_sd *, int, int); 86 int gv_set_vol_state(struct gv_volume *, int, int); 87 int gv_set_plex_state(struct gv_plex *, int, int); 88 void gv_update_sd_state(struct gv_sd *); 89 void gv_update_plex_state(struct gv_plex *); 90 void gv_update_vol_state(struct gv_volume *); 91 92 /* geom_vinum_subr.c */ 93 void gv_adjust_freespace(struct gv_sd *, off_t); 94 void gv_free_sd(struct gv_sd *); 95 struct gv_drive *gv_find_drive(struct gv_softc *, char *); 96 struct gv_drive *gv_find_drive_device(struct gv_softc *, char *); 97 struct gv_plex *gv_find_plex(struct gv_softc *, char *); 98 struct gv_sd *gv_find_sd(struct gv_softc *, char *); 99 struct gv_volume *gv_find_vol(struct gv_softc *, char *); 100 void gv_format_config(struct gv_softc *, struct sbuf *, int, 101 char *); 102 int gv_is_striped(struct gv_plex *); 103 int gv_consumer_is_open(struct g_consumer *); 104 int gv_provider_is_open(struct g_provider *); 105 int gv_object_type(struct gv_softc *, char *); 106 void gv_parse_config(struct gv_softc *, char *, 107 struct gv_drive *); 108 int gv_sd_to_drive(struct gv_sd *, struct gv_drive *); 109 int gv_sd_to_plex(struct gv_sd *, struct gv_plex *); 110 int gv_sdcount(struct gv_plex *, int); 111 void gv_update_plex_config(struct gv_plex *); 112 void gv_update_vol_size(struct gv_volume *, off_t); 113 off_t gv_vol_size(struct gv_volume *); 114 off_t gv_plex_size(struct gv_plex *); 115 int gv_plexdown(struct gv_volume *); 116 int gv_attach_plex(struct gv_plex *, struct gv_volume *, 117 int); 118 int gv_attach_sd(struct gv_sd *, struct gv_plex *, off_t, 119 int); 120 int gv_detach_plex(struct gv_plex *, int); 121 int gv_detach_sd(struct gv_sd *, int); 122 123 /* geom_vinum.c */ 124 void gv_worker(void *); 125 void gv_post_event(struct gv_softc *, int, void *, void *, intmax_t, 126 intmax_t); 127 void gv_worker_exit(struct gv_softc *); 128 struct gv_event *gv_get_event(struct gv_softc *); 129 void gv_remove_event(struct gv_softc *, struct gv_event *); 130 void gv_drive_tasted(struct gv_softc *, struct g_provider *); 131 void gv_drive_lost(struct gv_softc *, struct gv_drive *); 132 void gv_setup_objects(struct gv_softc *); 133 void gv_start(struct bio *); 134 int gv_access(struct g_provider *, int, int, int); 135 void gv_cleanup(struct gv_softc *); 136 137 /* geom_vinum_volume.c */ 138 void gv_done(struct bio *); 139 void gv_volume_start(struct gv_softc *, struct bio *); 140 void gv_volume_flush(struct gv_volume *); 141 void gv_bio_done(struct gv_softc *, struct bio *); 142 143 /* geom_vinum_plex.c */ 144 void gv_plex_start(struct gv_plex *, struct bio *); 145 void gv_plex_raid5_done(struct gv_plex *, struct bio *); 146 void gv_plex_normal_done(struct gv_plex *, struct bio *); 147 int gv_grow_request(struct gv_plex *, off_t, off_t, int, caddr_t); 148 void gv_grow_complete(struct gv_plex *, struct bio *); 149 void gv_init_request(struct gv_sd *, off_t, caddr_t, off_t); 150 void gv_init_complete(struct gv_plex *, struct bio *); 151 void gv_parity_request(struct gv_plex *, int, off_t); 152 void gv_parity_complete(struct gv_plex *, struct bio *); 153 void gv_rebuild_complete(struct gv_plex *, struct bio *); 154 int gv_sync_request(struct gv_plex *, struct gv_plex *, off_t, off_t, int, 155 caddr_t); 156 int gv_sync_complete(struct gv_plex *, struct bio *); 157 158 extern u_int g_vinum_debug; 159 160 #define G_VINUM_DEBUG(lvl, ...) do { \ 161 if (g_vinum_debug >= (lvl)) { \ 162 printf("GEOM_VINUM"); \ 163 if (g_vinum_debug > 0) \ 164 printf("[%u]", lvl); \ 165 printf(": "); \ 166 printf(__VA_ARGS__); \ 167 printf("\n"); \ 168 } \ 169 } while (0) 170 171 #define G_VINUM_LOGREQ(lvl, bp, ...) do { \ 172 if (g_vinum_debug >= (lvl)) { \ 173 printf("GEOM_VINUM"); \ 174 if (g_vinum_debug > 0) \ 175 printf("[%u]", lvl); \ 176 printf(": "); \ 177 printf(__VA_ARGS__); \ 178 printf(" "); \ 179 g_print_bio(bp); \ 180 printf("\n"); \ 181 } \ 182 } while (0) 183 184 #endif /* !_GEOM_VINUM_H_ */ 185