arch/all-pc/boot/grub2-aros/include/grub/emu/hostdisk.h

   1 /* biosdisk.h - emulate biosdisk */
   2 /*
   3  *  GRUB  --  GRand Unified Bootloader
   4  *  Copyright (C) 2002,2007  Free Software Foundation, Inc.
   5  *
   6  *  GRUB 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  *  GRUB 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 GRUB.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #ifndef GRUB_BIOSDISK_MACHINE_UTIL_HEADER
  21 #define GRUB_BIOSDISK_MACHINE_UTIL_HEADER       1
  22
  23 #include <grub/disk.h>
  24 #include <grub/partition.h>
  25 #include <sys/types.h>
  26 #include <grub/emu/hostfile.h>
  27
  28 grub_util_fd_t
  29 grub_util_fd_open_device (const grub_disk_t disk, grub_disk_addr_t sector, int flags,
  30                           grub_disk_addr_t *max);
  31
  32 void grub_util_biosdisk_init (const char *dev_map);
  33 void grub_util_biosdisk_fini (void);
  34 char *grub_util_biosdisk_get_grub_dev (const char *os_dev);
  35 const char *grub_util_biosdisk_get_osdev (grub_disk_t disk);
  36 int grub_util_biosdisk_is_present (const char *name);
  37 int grub_util_biosdisk_is_floppy (grub_disk_t disk);
  38 const char *
  39 grub_util_biosdisk_get_compatibility_hint (grub_disk_t disk);
  40 grub_err_t grub_util_biosdisk_flush (struct grub_disk *disk);
  41 grub_err_t
  42 grub_cryptodisk_cheat_mount (const char *sourcedev, const char *cheat);
  43 const char *
  44 grub_util_cryptodisk_get_uuid (grub_disk_t disk);
  45 char *
  46 grub_util_get_ldm (grub_disk_t disk, grub_disk_addr_t start);
  47 int
  48 grub_util_is_ldm (grub_disk_t disk);
  49 #ifdef GRUB_UTIL
  50 grub_err_t
  51 grub_util_ldm_embed (struct grub_disk *disk, unsigned int *nsectors,
  52                      unsigned int max_nsectors,
  53                      grub_embed_type_t embed_type,
  54                      grub_disk_addr_t **sectors);
  55 #endif
  56 const char *
  57 grub_hostdisk_os_dev_to_grub_drive (const char *os_dev, int add);
  58
  59
  60 char *
  61 grub_util_get_os_disk (const char *os_dev);
  62
  63 int
  64 grub_util_get_dm_node_linear_info (dev_t dev,
  65                                    int *maj, int *min,
  66                                    grub_disk_addr_t *st);
  67
  68
  69 /* Supplied by hostdisk_*.c.  */
  70 grub_int64_t
  71 grub_util_get_fd_size_os (grub_util_fd_t fd, const char *name, unsigned *log_secsize);
  72 /* REturns partition offset in 512B blocks.  */
  73 grub_disk_addr_t
  74 grub_hostdisk_find_partition_start_os (const char *dev);
  75 void
  76 grub_hostdisk_flush_initial_buffer (const char *os_dev);
  77
  78 #ifdef __GNU__
  79 int
  80 grub_util_hurd_get_disk_info (const char *dev, grub_uint32_t *secsize, grub_disk_addr_t *offset,
  81                               grub_disk_addr_t *size, char **parent);
  82 #endif
  83
  84 struct grub_util_hostdisk_data
  85 {
  86   char *dev;
  87   int access_mode;
  88   grub_util_fd_t fd;
  89   int is_disk;
  90   int device_map;
  91 };
  92
  93 void grub_host_init (void);
  94 void grub_host_fini (void);
  95 void grub_hostfs_init (void);
  96 void grub_hostfs_fini (void);
  97
  98 #endif /* ! GRUB_BIOSDISK_MACHINE_UTIL_HEADER */