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_HAMMER 0 54 #define FS_UFS 1 55 56 #ifdef NEEDS_DISKUTIL_STRUCTURE_DEFINITIONS 57 58 struct storage { 59 struct disk *disk_head; 60 struct disk *disk_tail; 61 struct disk *selected_disk; 62 struct slice *selected_slice; 63 unsigned long ram; /* amount of physical memory in MB */ 64 }; 65 66 struct disk { 67 struct disk *next; 68 struct disk *prev; 69 struct slice *slice_head; 70 struct slice *slice_tail; 71 char *desc; /* from whereever we get the best */ 72 int number; /* Position in kern.disks */ 73 char *device; /* `ad0', `da1', and such */ 74 char *serno; /* serial number */ 75 int cylinders; /* geometry information */ 76 int heads; 77 int sectors; /* (sectors per track) */ 78 long capacity; /* capacity in megabytes */ 79 int we_formatted; /* did we format it ourselves? */ 80 }; 81 82 struct slice { 83 struct disk *parent; 84 struct slice *next; 85 struct slice *prev; 86 struct subpartition *subpartition_head; 87 struct subpartition *subpartition_tail; 88 char *desc; /* description (w/sysid string) */ 89 int number; /* 1 - 4 (or more?) (from fdisk) */ 90 unsigned long start; /* start sector (from fdisk) */ 91 unsigned long size; /* size in sectors (from fdisk) */ 92 int type; /* sysid of slice (from fdisk) */ 93 int flags; /* flags (from fdisk) */ 94 unsigned long capacity; /* capacity in megabytes */ 95 }; 96 97 struct subpartition { 98 struct slice *parent; 99 struct subpartition *next; 100 struct subpartition *prev; 101 char letter; /* 'a' = root partition */ 102 char *mountpoint; /* includes leading slash */ 103 long capacity; /* in megabytes, -1 = "rest of disk" */ 104 int softupdates; 105 long fsize; /* fragment size */ 106 long bsize; /* block size */ 107 int is_swap; 108 int mfsbacked; /* Memory File System Backed */ 109 int type; /* FS type (UFS, HAMMER) */ 110 int pfs; /* HAMMER pseudo file system */ 111 }; 112 113 #endif /* NEEDS_DISKUTIL_STRUCTURE_DEFINITIONS */ 114 115 /*** PROTOTYPES ***/ 116 117 struct storage *storage_new(void); 118 void storage_free(struct storage *); 119 void storage_set_memsize(struct storage *, unsigned long); 120 unsigned long storage_get_memsize(const struct storage *); 121 struct disk *storage_disk_first(const struct storage *); 122 void storage_set_selected_disk(struct storage *, struct disk *); 123 struct disk *storage_get_selected_disk(const struct storage *); 124 void storage_set_selected_slice(struct storage *, struct slice *); 125 struct slice *storage_get_selected_slice(const struct storage *); 126 int storage_get_mfs_status(const char *, struct storage *); 127 128 struct disk *disk_new(struct storage *, const char *); 129 struct disk *disk_find(const struct storage *, const char *); 130 struct disk *disk_next(const struct disk *); 131 void disks_free(struct storage *); 132 void disk_set_number(struct disk *, const int); 133 void disk_set_desc(struct disk *, const char *); 134 void disk_set_serno(struct disk *, const char *); 135 int disk_get_number(const struct disk *); 136 const char *disk_get_desc(const struct disk *); 137 const char *disk_get_device_name(const struct disk *); 138 const char *disk_get_serno(const struct disk *); 139 struct slice *disk_slice_first(const struct disk *); 140 void disk_set_formatted(struct disk *, int); 141 int disk_get_formatted(const struct disk *); 142 void disk_set_geometry(struct disk *, int, int, int); 143 void disk_get_geometry(const struct disk *, int *, int *, int *); 144 145 struct slice *slice_new(struct disk *, int, int, int, 146 unsigned long, unsigned long); 147 struct slice *slice_find(const struct disk *, int); 148 struct slice *slice_next(const struct slice *); 149 int slice_get_number(const struct slice *); 150 const char *slice_get_desc(const struct slice *); 151 const char *slice_get_device_name(const struct slice *); 152 unsigned long slice_get_capacity(const struct slice *); 153 unsigned long slice_get_start(const struct slice *); 154 unsigned long slice_get_size(const struct slice *); 155 int slice_get_type(const struct slice *); 156 int slice_get_flags(const struct slice *); 157 void slices_free(struct slice *); 158 struct subpartition *slice_subpartition_first(const struct slice *); 159 160 struct subpartition *subpartition_new(struct slice *, const char *, long, 161 int, long, long, int); 162 struct subpartition *subpartition_new_hammer(struct slice *, const char *, long); 163 int subpartition_count(const struct slice *); 164 struct subpartition *subpartition_find(const struct slice *, const char *, ...); 165 struct subpartition *subpartition_of(const struct slice *, const char *, ...); 166 struct subpartition *subpartition_find_capacity(const struct slice *, long); 167 void subpartitions_free(struct slice *); 168 struct subpartition *subpartition_next(const struct subpartition *); 169 int subpartition_get_pfs(const struct subpartition *); 170 const char *subpartition_get_mountpoint(const struct subpartition *); 171 const char *subpartition_get_device_name(const struct subpartition *); 172 char subpartition_get_letter(const struct subpartition *); 173 unsigned long subpartition_get_fsize(const struct subpartition *); 174 unsigned long subpartition_get_bsize(const struct subpartition *); 175 unsigned long subpartition_get_capacity(const struct subpartition *); 176 int subpartition_is_swap(const struct subpartition *); 177 int subpartition_is_softupdated(const struct subpartition *); 178 int subpartition_is_mfsbacked(const struct subpartition *); 179 180 long measure_activated_swap(const struct i_fn_args *); 181 long measure_activated_swap_from_slice(const struct i_fn_args *, 182 const struct disk *, const struct slice *); 183 long measure_activated_swap_from_disk(const struct i_fn_args *, 184 const struct disk *); 185 186 int survey_storage(struct i_fn_args *); 187 188 #endif /* !__DISKUTIL_H_ */ 189