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