include/grub/emu/getroot.h

   1 /*
   2  *  GRUB  --  GRand Unified Bootloader
   3  *  Copyright (C) 2003, 2007, 2008, 2009  Free Software Foundation, Inc.
   4  *
   5  *  GRUB is free software: you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation, either version 3 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  GRUB is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19 #ifndef GRUB_UTIL_GETROOT_HEADER
  20 #define GRUB_UTIL_GETROOT_HEADER        1
  21
  22 #include <grub/types.h>
  23
  24 #include <sys/types.h>
  25
  26 enum grub_dev_abstraction_types {
  27   GRUB_DEV_ABSTRACTION_NONE,
  28   GRUB_DEV_ABSTRACTION_LVM,
  29   GRUB_DEV_ABSTRACTION_RAID,
  30   GRUB_DEV_ABSTRACTION_LUKS,
  31   GRUB_DEV_ABSTRACTION_GELI,
  32 };
  33
  34 char *grub_find_device (const char *dir, dev_t dev);
  35 void grub_util_pull_device (const char *osname);
  36 char **grub_guess_root_devices (const char *dir);
  37 int grub_util_get_dev_abstraction (const char *os_dev);
  38 char *grub_make_system_path_relative_to_its_root (const char *path);
  39 char *
  40 grub_make_system_path_relative_to_its_root_os (const char *path);
  41 char *grub_util_get_grub_dev (const char *os_dev);
  42 #if defined (__FreeBSD__) || defined(__FreeBSD_kernel__)
  43 void grub_util_follow_gpart_up (const char *name, grub_disk_addr_t *off_out,
  44                                 char **name_out);
  45 #endif
  46
  47 #include <sys/stat.h>
  48
  49 #ifdef __linux__
  50 char **
  51 grub_find_root_devices_from_mountinfo (const char *dir, char **relroot);
  52 #endif
  53
  54 /* Devmapper functions provided by getroot_devmapper.c.  */
  55 void
  56 grub_util_pull_devmapper (const char *os_dev);
  57 int
  58 grub_util_device_is_mapped_stat (struct stat *st);
  59 void grub_util_devmapper_cleanup (void);
  60 enum grub_dev_abstraction_types
  61 grub_util_get_dm_abstraction (const char *os_dev);
  62 char *
  63 grub_util_get_vg_uuid (const char *os_dev);
  64 char *
  65 grub_util_devmapper_part_to_disk (struct stat *st,
  66                                   int *is_part, const char *os_dev);
  67 char *
  68 grub_util_get_devmapper_grub_dev (const char *os_dev);
  69
  70 void
  71 grub_util_pull_lvm_by_command (const char *os_dev);
  72 char **
  73 grub_util_find_root_devices_from_poolname (char *poolname);
  74
  75 grub_disk_addr_t
  76 grub_util_find_partition_start (const char *dev);
  77
  78 /* OS-specific functions provided by getroot_*.c.  */
  79 enum grub_dev_abstraction_types
  80 grub_util_get_dev_abstraction_os (const char *os_dev);
  81 char *
  82 grub_util_part_to_disk (const char *os_dev, struct stat *st,
  83                         int *is_part);
  84 int
  85 grub_util_pull_device_os (const char *osname,
  86                           enum grub_dev_abstraction_types ab);
  87 char *
  88 grub_util_get_grub_dev_os (const char *os_dev);
  89 grub_disk_addr_t
  90 grub_util_find_partition_start_os (const char *dev);
  91
  92 #endif /* ! GRUB_UTIL_GETROOT_HEADER */