The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)

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FreeBSD/Linux Kernel Cross Reference
sys/geom/vinum/geom_vinum.h

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    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 /* geom_vinum_state.c */
   81 int     gv_sdstatemap(struct gv_plex *);
   82 void    gv_setstate(struct g_geom *, struct gctl_req *);
   83 int     gv_set_drive_state(struct gv_drive *, int, int);
   84 int     gv_set_sd_state(struct gv_sd *, int, int);
   85 int     gv_set_vol_state(struct gv_volume *, int, int);
   86 int     gv_set_plex_state(struct gv_plex *, int, int);
   87 void    gv_update_sd_state(struct gv_sd *);
   88 void    gv_update_plex_state(struct gv_plex *);
   89 void    gv_update_vol_state(struct gv_volume *);
   90 
   91 /* geom_vinum_subr.c */
   92 void                     gv_adjust_freespace(struct gv_sd *, off_t);
   93 void                     gv_free_sd(struct gv_sd *);
   94 struct gv_drive         *gv_find_drive(struct gv_softc *, char *);
   95 struct gv_drive         *gv_find_drive_device(struct gv_softc *, char *);
   96 struct gv_plex          *gv_find_plex(struct gv_softc *, char *);
   97 struct gv_sd            *gv_find_sd(struct gv_softc *, char *);
   98 struct gv_volume        *gv_find_vol(struct gv_softc *, char *);
   99 void                     gv_format_config(struct gv_softc *, struct sbuf *, int,
  100                              char *);
  101 int                      gv_is_striped(struct gv_plex *);
  102 int                      gv_consumer_is_open(struct g_consumer *);
  103 int                      gv_provider_is_open(struct g_provider *);
  104 int                      gv_object_type(struct gv_softc *, char *);
  105 void                     gv_parse_config(struct gv_softc *, char *,
  106                              struct gv_drive *);
  107 int                      gv_sd_to_drive(struct gv_sd *, struct gv_drive *);
  108 int                      gv_sd_to_plex(struct gv_sd *, struct gv_plex *);
  109 int                      gv_sdcount(struct gv_plex *, int);
  110 void                     gv_update_plex_config(struct gv_plex *);
  111 void                     gv_update_vol_size(struct gv_volume *, off_t);
  112 off_t                    gv_vol_size(struct gv_volume *);
  113 off_t                    gv_plex_size(struct gv_plex *);
  114 int                      gv_plexdown(struct gv_volume *);
  115 int                      gv_attach_plex(struct gv_plex *, struct gv_volume *,
  116                              int);
  117 int                      gv_attach_sd(struct gv_sd *, struct gv_plex *, off_t,
  118                              int);
  119 int                      gv_detach_plex(struct gv_plex *, int);
  120 int                      gv_detach_sd(struct gv_sd *, int);
  121 
  122 /* geom_vinum.c */
  123 void    gv_worker(void *);
  124 void    gv_post_event(struct gv_softc *, int, void *, void *, intmax_t,
  125             intmax_t);
  126 void    gv_worker_exit(struct gv_softc *);
  127 struct gv_event *gv_get_event(struct gv_softc *);
  128 void    gv_remove_event(struct gv_softc *, struct gv_event *);
  129 void    gv_drive_done(struct gv_drive *);
  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, ...) \
  161     _GEOM_DEBUG("GEOM_VINUM", g_vinum_debug, (lvl), NULL, __VA_ARGS__)
  162 #define G_VINUM_LOGREQ(lvl, bp, ...) \
  163     _GEOM_DEBUG("GEOM_VINUM", g_vinum_debug, (lvl), (bp), __VA_ARGS__)
  164 
  165 #endif /* !_GEOM_VINUM_H_ */

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