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 "/" DISTRO_SNAME "-" DISTRO_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_BOOT_EFI              "/boot/efi"
  36 #define HW_PATH_DATA                  "/var"
  37
  38 #define HW_PART_TYPE_NORMAL           0
  39 #define HW_PART_TYPE_RAID1            1
  40
  41 #define HW_PART_TABLE_MSDOS           0
  42 #define HW_PART_TABLE_GPT             1
  43
  44 #define HW_FS_SWAP                    0
  45 #define HW_FS_EXT4                    1
  46 #define HW_FS_EXT4_WO_JOURNAL         2
  47 #define HW_FS_XFS                     3
  48 #define HW_FS_FAT32                   4
  49 #define HW_FS_BTRFS                   5
  50
  51 #define HW_FS_DEFAULT                 HW_FS_EXT4
  52
  53 #define RAID_METADATA                 "1.0"
  54
  55 #define SERIAL_BAUDRATE               115200
  56
  57 #define BTRFS_MOUNT_OPTIONS           "compress=zstd:1"
  58
  59 #define BYTES2MB(x) ((x) / 1024 / 1024)
  60 #define MB2BYTES(x) ((unsigned long long)(x) * 1024 * 1024)
  61
  62 struct hw {
  63         struct udev *udev;
  64         char arch[STRING_SIZE];
  65
  66         // Enabled if we should install in EFI mode
  67         int efi;
  68 };
  69
  70 struct hw_disk {
  71         char path[DEV_SIZE];
  72         unsigned long long size;
  73
  74         char description[STRING_SIZE];
  75         char vendor[STRING_SIZE];
  76         char model[STRING_SIZE];
  77
  78         // Reference counter
  79         int ref;
  80 };
  81
  82 struct hw_destination {
  83         char path[DEV_SIZE];
  84
  85         int is_raid;
  86         int raid_level;
  87         const struct hw_disk* disk1;
  88         const struct hw_disk* disk2;
  89
  90         int part_table;
  91         char part_bootldr[DEV_SIZE];
  92         char part_boot[DEV_SIZE];
  93         char part_boot_efi[DEV_SIZE];
  94         char part_swap[DEV_SIZE];
  95         char part_root[DEV_SIZE];
  96         int part_boot_idx;
  97         int part_boot_efi_idx;
  98
  99         int filesystem;
 100
 101         unsigned long long size;
 102         unsigned long long size_bootldr;
 103         unsigned long long size_boot;
 104         unsigned long long size_boot_efi;
 105         unsigned long long size_swap;
 106         unsigned long long size_root;
 107 };
 108
 109 // Struct to define the BTRFS subvolumes layout
 110 static const struct btrfs_subvolumes {
 111         const char* name;
 112         const char* mount_path;
 113 } btrfs_subvolumes[] = {
 114         { "@",          "/" },
 115         { "@snapshots", "/.snapshots" },
 116         { "@home",      "/home" },
 117         { "@root",      "/root" },
 118         { "@cache",     "/var/cache" },
 119         { "@backups",   "/var/ipfire/backup" },
 120         { "@lib",       "/var/lib" },
 121         { "@logs",      "/var/log" },
 122         { "@mails",     "/var/mail" },
 123         { "@tmp",       "/var/tmp" },
 124
 125         // Sentinel
 126         { NULL },
 127 };
 128
 129 struct hw* hw_init();
 130 void hw_free(struct hw* hw);
 131
 132 int hw_mount(const char* source, const char* target, const char* fs, int flags);
 133 int hw_umount(const char* source, const char* prefix);
 134
 135 char* hw_find_source_medium(struct hw* hw);
 136
 137 struct hw_disk** hw_find_disks(struct hw* hw, const char* sourcedrive);
 138 void hw_free_disks(struct hw_disk** disks);
 139 unsigned int hw_count_disks(struct hw_disk** disks);
 140 struct hw_disk** hw_select_disks(struct hw_disk** disks, int* selection);
 141 struct hw_disk** hw_select_first_disk(struct hw_disk** disks);
 142
 143 struct hw_destination* hw_make_destination(struct hw* hw, int part_type, struct hw_disk** disks,
 144         int disable_swap, int filesystem);
 145
 146 unsigned long long hw_memory();
 147
 148 int hw_create_partitions(struct hw_destination* dest, const char* output);
 149 int hw_create_filesystems(struct hw_destination* dest, const char* output);
 150
 151 int hw_mount_filesystems(struct hw_destination* dest, const char* prefix);
 152 int hw_umount_filesystems(struct hw_destination* dest, const char* prefix);
 153
 154 int hw_destroy_raid_superblocks(const struct hw_destination* dest, const char* output);
 155 int hw_setup_raid(struct hw_destination* dest, const char* output);
 156 int hw_stop_all_raid_arrays(const char* output);
 157
 158 int hw_install_bootloader(struct hw* hw, struct hw_destination* dest, const char* output);
 159 int hw_write_fstab(struct hw_destination* dest);
 160
 161 char* hw_find_backup_file(const char* output, const char* search_path);
 162 int hw_restore_backup(const char* output, const char* backup_path, const char* destination);
 163
 164 int hw_start_networking(const char* output);
 165
 166 void hw_sync();
 167
 168 #endif /* HEADER_HW_H */