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_REISERFS                1
  46 #define HW_FS_EXT4                    2
  47 #define HW_FS_EXT4_WO_JOURNAL         3
  48 #define HW_FS_XFS                     4
  49 #define HW_FS_FAT32                   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 BYTES2MB(x) ((x) / 1024 / 1024)
  58 #define MB2BYTES(x) ((unsigned long long)(x) * 1024 * 1024)
  59
  60 struct hw {
  61         struct udev *udev;
  62         char arch[STRING_SIZE];
  63
  64         // Enabled if we should install in EFI mode
  65         int efi;
  66
  67         // Enabled if this system supports EFI
  68         int efi_supported;
  69 };
  70
  71 struct hw_disk {
  72         char path[DEV_SIZE];
  73         unsigned long long size;
  74
  75         char description[STRING_SIZE];
  76         char vendor[STRING_SIZE];
  77         char model[STRING_SIZE];
  78
  79         // Reference counter
  80         int ref;
  81 };
  82
  83 struct hw_destination {
  84         char path[DEV_SIZE];
  85
  86         int is_raid;
  87         int raid_level;
  88         const struct hw_disk* disk1;
  89         const struct hw_disk* disk2;
  90
  91         int part_table;
  92         char part_bootldr[DEV_SIZE];
  93         char part_boot[DEV_SIZE];
  94         char part_boot_efi[DEV_SIZE];
  95         char part_swap[DEV_SIZE];
  96         char part_root[DEV_SIZE];
  97         int part_boot_idx;
  98         int part_boot_efi_idx;
  99
 100         int filesystem;
 101
 102         unsigned long long size;
 103         unsigned long long size_bootldr;
 104         unsigned long long size_boot;
 105         unsigned long long size_boot_efi;
 106         unsigned long long size_swap;
 107         unsigned long long size_root;
 108 };
 109
 110 struct hw* hw_init();
 111 void hw_free(struct hw* hw);
 112
 113 int hw_mount(const char* source, const char* target, const char* fs, int flags);
 114 int hw_umount(const char* target);
 115
 116 char* hw_find_source_medium(struct hw* hw);
 117
 118 struct hw_disk** hw_find_disks(struct hw* hw, const char* sourcedrive);
 119 void hw_free_disks(struct hw_disk** disks);
 120 unsigned int hw_count_disks(const struct hw_disk** disks);
 121 struct hw_disk** hw_select_disks(struct hw_disk** disks, int* selection);
 122 struct hw_disk** hw_select_first_disk(const struct hw_disk** disks);
 123
 124 struct hw_destination* hw_make_destination(struct hw* hw, int part_type, struct hw_disk** disks,
 125         int disable_swap);
 126
 127 unsigned long long hw_memory();
 128
 129 int hw_create_partitions(struct hw_destination* dest, const char* output);
 130 int hw_create_filesystems(struct hw_destination* dest, const char* output);
 131
 132 int hw_mount_filesystems(struct hw_destination* dest, const char* prefix);
 133 int hw_umount_filesystems(struct hw_destination* dest, const char* prefix);
 134
 135 int hw_destroy_raid_superblocks(const struct hw_destination* dest, const char* output);
 136 int hw_setup_raid(struct hw_destination* dest, const char* output);
 137 int hw_stop_all_raid_arrays(const char* output);
 138
 139 int hw_install_bootloader(struct hw* hw, struct hw_destination* dest, const char* output);
 140 int hw_write_fstab(struct hw_destination* dest);
 141
 142 char* hw_find_backup_file(const char* output, const char* search_path);
 143 int hw_restore_backup(const char* output, const char* backup_path, const char* destination);
 144
 145 int hw_start_networking(const char* output);
 146
 147 void hw_sync();
 148
 149 #endif /* HEADER_HW_H */