src/installer/hw.h

   1 /*#############################################################################
   2 #                                                                             #
   3 # IPFire - An Open Source Firewall Distribution                               #
   4 # Copyright (C) 2014 IPFire development team                                  #
   5 #                                                                             #
   6 # This program is free software: you can redistribute it and/or modify        #
   7 # it under the terms of the GNU General Public License as published by        #
   8 # the Free Software Foundation, either version 3 of the License, or           #
   9 # (at your option) any later version.                                         #
  10 #                                                                             #
  11 # This program is distributed in the hope that it will be useful,             #
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of              #
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               #
  14 # GNU General Public License for more details.                                #
  15 #                                                                             #
  16 # You should have received a copy of the GNU General Public License           #
  17 # along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
  18 #                                                                             #
  19 #############################################################################*/
  20
  21 #ifndef HEADER_HW_H
  22 #define HEADER_HW_H
  23
  24 #include <libudev.h>
  25
  26 #define DESTINATION_MOUNT_PATH        "/harddisk"
  27 #define SOURCE_MOUNT_PATH "/cdrom"
  28 #define SOURCE_TEST_FILE  SOURCE_MOUNT_PATH "/" VERSION ".media"
  29
  30 #define HW_MAX_DISKS                 32
  31 #define STRING_SIZE                1024
  32 #define DEV_SIZE                    128
  33
  34 #define HW_PATH_BOOT                  "/boot"
  35 #define HW_PATH_DATA                  "/var"
  36
  37 #define HW_PART_TYPE_NORMAL           0
  38 #define HW_PART_TYPE_RAID1            1
  39
  40 #define HW_PART_TABLE_MSDOS           0
  41 #define HW_PART_TABLE_GPT             1
  42
  43 #define HW_FS_SWAP                    0
  44 #define HW_FS_REISERFS                1
  45 #define HW_FS_EXT4                    2
  46 #define HW_FS_EXT4_WO_JOURNAL         3
  47 #define HW_FS_XFS                     4
  48
  49 #define HW_FS_DEFAULT                 HW_FS_EXT4
  50
  51 #define RAID_METADATA                 "1.0"
  52
  53 #define SERIAL_BAUDRATE               115200
  54
  55 #define BYTES2MB(x) ((x) / 1024 / 1024)
  56 #define MB2BYTES(x) ((unsigned long long)(x) * 1024 * 1024)
  57
  58 struct hw {
  59         struct udev *udev;
  60 };
  61
  62 struct hw_disk {
  63         char path[DEV_SIZE];
  64         unsigned long long size;
  65
  66         char description[STRING_SIZE];
  67         char vendor[STRING_SIZE];
  68         char model[STRING_SIZE];
  69
  70         // Reference counter
  71         int ref;
  72 };
  73
  74 struct hw_destination {
  75         char path[DEV_SIZE];
  76
  77         int is_raid;
  78         int raid_level;
  79         const struct hw_disk* disk1;
  80         const struct hw_disk* disk2;
  81
  82         int part_table;
  83         char part_bootldr[DEV_SIZE];
  84         char part_boot[DEV_SIZE];
  85         char part_swap[DEV_SIZE];
  86         char part_root[DEV_SIZE];
  87         char part_data[DEV_SIZE];
  88         int part_boot_idx;
  89
  90         int filesystem;
  91
  92         unsigned long long size;
  93         unsigned long long size_bootldr;
  94         unsigned long long size_boot;
  95         unsigned long long size_swap;
  96         unsigned long long size_root;
  97         unsigned long long size_data;
  98 };
  99
 100 struct hw* hw_init();
 101 void hw_free(struct hw* hw);
 102
 103 int hw_mount(const char* source, const char* target, const char* fs, int flags);
 104 int hw_umount(const char* target);
 105
 106 char* hw_find_source_medium(struct hw* hw);
 107
 108 struct hw_disk** hw_find_disks(struct hw* hw, const char* sourcedrive);
 109 void hw_free_disks(struct hw_disk** disks);
 110 unsigned int hw_count_disks(const struct hw_disk** disks);
 111 struct hw_disk** hw_select_disks(struct hw_disk** disks, int* selection);
 112 struct hw_disk** hw_select_first_disk(const struct hw_disk** disks);
 113
 114 struct hw_destination* hw_make_destination(int part_type, struct hw_disk** disks,
 115         int disable_swap);
 116
 117 unsigned long long hw_memory();
 118
 119 int hw_create_partitions(struct hw_destination* dest, const char* output);
 120 int hw_create_filesystems(struct hw_destination* dest, const char* output);
 121
 122 int hw_mount_filesystems(struct hw_destination* dest, const char* prefix);
 123 int hw_umount_filesystems(struct hw_destination* dest, const char* prefix);
 124
 125 int hw_destroy_raid_superblocks(const struct hw_destination* dest, const char* output);
 126 int hw_setup_raid(struct hw_destination* dest, const char* output);
 127 int hw_stop_all_raid_arrays(const char* output);
 128
 129 int hw_install_bootloader(struct hw_destination* dest, const char* output);
 130 int hw_write_fstab(struct hw_destination* dest);
 131
 132 char* hw_find_backup_file(const char* output, const char* search_path);
 133 int hw_restore_backup(const char* output, const char* backup_path, const char* destination);
 134
 135 int hw_start_networking(const char* output);
 136
 137 void hw_sync();
 138
 139 #endif /* HEADER_HW_H */