usr.sbin/installer/libinstaller/diskutil.h

   1 /*
   2  * Copyright (c)2004 The DragonFly Project.  All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  *
   8  *   Redistributions of source code must retain the above copyright
   9  *   notice, this list of conditions and the following disclaimer.
  10  *
  11  *   Redistributions in binary form must reproduce the above copyright
  12  *   notice, this list of conditions and the following disclaimer in
  13  *   the documentation and/or other materials provided with the
  14  *   distribution.
  15  *
  16  *   Neither the name of the DragonFly Project nor the names of its
  17  *   contributors may be used to endorse or promote products derived
  18  *   from this software without specific prior written permission.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  22  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  23  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
  24  * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
  25  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  26  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  27  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  29  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  31  * OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 /*
  35  * diskutil.h
  36  * $Id: diskutil.h,v 1.14 2005/02/07 06:41:42 cpressey Exp $
  37  */
  38
  39 #include <stdio.h>
  40
  41 #ifndef __DISKUTIL_H_
  42 #define __DISKUTIL_H_
  43
  44 #include "functions.h"
  45
  46 /*** TYPES ***/
  47
  48 struct storage;
  49 struct disk;
  50 struct slice;
  51 struct subpartition;
  52
  53 #define FS_UFS          0
  54 #define FS_HAMMER       1
  55 #define FS_HAMMER2      2
  56
  57 #ifdef NEEDS_DISKUTIL_STRUCTURE_DEFINITIONS
  58
  59 struct storage {
  60         struct disk *disk_head;
  61         struct disk *disk_tail;
  62         struct disk *selected_disk;
  63         struct slice *selected_slice;
  64         long ram;                       /* amount of physical memory in MB */
  65 };
  66
  67 struct disk {
  68         struct disk *next;
  69         struct disk *prev;
  70         struct slice *slice_head;
  71         struct slice *slice_tail;
  72         char *desc;                     /* from whereever we get the best */
  73         int number;                     /* Position in kern.disks */
  74         char *device;                   /* `ad0', `da1', and such */
  75         char *serno;                    /* serial number */
  76         int cylinders;                  /* geometry information */
  77         int heads;
  78         int sectors;                    /* (sectors per track) */
  79         long capacity;                  /* capacity in megabytes */
  80         int we_formatted;               /* did we format it ourselves? */
  81 };
  82
  83 struct slice {
  84         struct disk *parent;
  85         struct slice *next;
  86         struct slice *prev;
  87         struct subpartition *subpartition_head;
  88         struct subpartition *subpartition_tail;
  89         char *desc;                     /* description (w/sysid string) */
  90         int number;                     /* 1 - 4 (or more?) (from fdisk) */
  91         unsigned long start;            /* start sector (from fdisk) */
  92         unsigned long size;             /* size in sectors (from fdisk) */
  93         int type;                       /* sysid of slice (from fdisk) */
  94         int flags;                      /* flags (from fdisk) */
  95         unsigned long capacity;         /* capacity in megabytes */
  96 };
  97
  98 struct subpartition {
  99         struct slice *parent;
 100         struct subpartition *next;
 101         struct subpartition *prev;
 102         char letter;                    /* 'a' = root partition */
 103         char *mountpoint;               /* includes leading slash */
 104         long capacity;                  /* in megabytes, -1 = "rest of disk" */
 105         int encrypted;
 106         int softupdates;
 107         long fsize;                     /* fragment size */
 108         long bsize;                     /* block size */
 109         int is_swap;
 110         int tmpfsbacked;                /* TMPFS Backed */
 111         int type;                       /* FS type (UFS, HAMMER) */
 112         int pfs;                        /* HAMMER pseudo file system */
 113 };
 114
 115 #endif /* NEEDS_DISKUTIL_STRUCTURE_DEFINITIONS */
 116
 117 /*** PROTOTYPES ***/
 118
 119 struct storage          *storage_new(void);
 120 void                     storage_free(struct storage *);
 121 void                     storage_set_memsize(struct storage *, unsigned long);
 122 long                     storage_get_memsize(const struct storage *);
 123 struct disk             *storage_disk_first(const struct storage *);
 124 void                     storage_set_selected_disk(struct storage *, struct disk *);
 125 struct disk             *storage_get_selected_disk(const struct storage *);
 126 void                     storage_set_selected_slice(struct storage *, struct slice *);
 127 struct slice            *storage_get_selected_slice(const struct storage *);
 128 int                      storage_get_tmpfs_status(const char *, struct storage *);
 129
 130 struct disk             *disk_new(struct storage *, const char *);
 131 struct disk             *disk_find(const struct storage *, const char *);
 132 struct disk             *disk_next(const struct disk *);
 133 void                     disks_free(struct storage *);
 134 unsigned long            disk_get_capacity(const struct disk *);
 135 void                     disk_set_number(struct disk *, const int);
 136 void                     disk_set_desc(struct disk *, const char *);
 137 void                     disk_set_serno(struct disk *, const char *);
 138 int                      disk_get_number(const struct disk *);
 139 const char              *disk_get_desc(const struct disk *);
 140 const char              *disk_get_device_name(const struct disk *);
 141 const char              *disk_get_serno(const struct disk *);
 142 struct slice            *disk_slice_first(const struct disk *);
 143 void                     disk_set_formatted(struct disk *, int);
 144 int                      disk_get_formatted(const struct disk *);
 145 void                     disk_set_geometry(struct disk *, int, int, int);
 146 void                     disk_get_geometry(const struct disk *, int *, int *, int *);
 147
 148 struct slice            *slice_new(struct disk *, int, int, int,
 149                                    unsigned long, unsigned long);
 150 struct slice            *slice_find(const struct disk *, int);
 151 struct slice            *slice_next(const struct slice *);
 152 int                      slice_get_number(const struct slice *);
 153 const char              *slice_get_desc(const struct slice *);
 154 const char              *slice_get_device_name(const struct slice *);
 155 unsigned long            slice_get_capacity(const struct slice *);
 156 unsigned long            slice_get_start(const struct slice *);
 157 unsigned long            slice_get_size(const struct slice *);
 158 int                      slice_get_type(const struct slice *);
 159 int                      slice_get_flags(const struct slice *);
 160 void                     slices_free(struct slice *);
 161 struct subpartition     *slice_subpartition_first(const struct slice *);
 162
 163 struct subpartition     *subpartition_new_hammer(struct slice *, const char *,
 164                                                  long, int);
 165 struct subpartition     *subpartition_new_hammer2(struct slice *, const char *,
 166                                                  long, int);
 167 struct subpartition     *subpartition_new_ufs(struct slice *, const char *,
 168                                               long, int, int, long, long, int);
 169 int                      subpartition_count(const struct slice *);
 170 struct subpartition     *subpartition_find(const struct slice *, const char *, ...)
 171                              __printflike(2, 3);
 172 struct subpartition     *subpartition_of(const struct slice *, const char *, ...)
 173                              __printflike(2, 3);
 174 struct subpartition     *subpartition_find_capacity(const struct slice *, long);
 175 void                     subpartitions_free(struct slice *);
 176 struct subpartition     *subpartition_next(const struct subpartition *);
 177 int                      subpartition_get_pfs(const struct subpartition *);
 178 const char              *subpartition_get_mountpoint(const struct subpartition *);
 179 const char              *subpartition_get_device_name(const struct subpartition *);
 180 const char              *subpartition_get_mapper_name(const struct subpartition *, int);
 181 char                     subpartition_get_letter(const struct subpartition *);
 182 unsigned long            subpartition_get_fsize(const struct subpartition *);
 183 unsigned long            subpartition_get_bsize(const struct subpartition *);
 184 long                     subpartition_get_capacity(const struct subpartition *);
 185 void                     subpartition_clr_encrypted(struct subpartition *);
 186 int                      subpartition_is_encrypted(const struct subpartition *);
 187 int                      subpartition_is_swap(const struct subpartition *);
 188 int                      subpartition_is_softupdated(const struct subpartition *);
 189 int                      subpartition_is_tmpfsbacked(const struct subpartition *);
 190
 191 long                     measure_activated_swap(const struct i_fn_args *);
 192 long                     measure_activated_swap_from_slice(const struct i_fn_args *,
 193                                 const struct disk *, const struct slice *);
 194 long                     measure_activated_swap_from_disk(const struct i_fn_args *,
 195                                 const struct disk *);
 196 void                    *swapoff_all(const struct i_fn_args *);
 197 void                    *remove_all_mappings(const struct i_fn_args *);
 198
 199 int                      survey_storage(struct i_fn_args *);
 200
 201 #endif /* !__DISKUTIL_H_ */