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/* biosdisk.h - emulate biosdisk */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2002,2007 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef GRUB_BIOSDISK_MACHINE_UTIL_HEADER
#define GRUB_BIOSDISK_MACHINE_UTIL_HEADER 1
#include <grub/disk.h>
#include <grub/partition.h>
#include <sys/types.h>
#include <grub/emu/hostfile.h>
grub_util_fd_t
grub_util_fd_open_device (const grub_disk_t disk, grub_disk_addr_t sector, int flags,
grub_disk_addr_t *max);
void grub_util_biosdisk_init (const char *dev_map);
void grub_util_biosdisk_fini (void);
char *grub_util_biosdisk_get_grub_dev (const char *os_dev);
const char *grub_util_biosdisk_get_osdev (grub_disk_t disk);
int grub_util_biosdisk_is_present (const char *name);
int grub_util_biosdisk_is_floppy (grub_disk_t disk);
const char *
grub_util_biosdisk_get_compatibility_hint (grub_disk_t disk);
grub_err_t grub_util_biosdisk_flush (struct grub_disk *disk);
grub_err_t
grub_cryptodisk_cheat_mount (const char *sourcedev, const char *cheat);
const char *
grub_util_cryptodisk_get_uuid (grub_disk_t disk);
char *
grub_util_get_ldm (grub_disk_t disk, grub_disk_addr_t start);
int
grub_util_is_ldm (grub_disk_t disk);
#ifdef GRUB_UTIL
grub_err_t
grub_util_ldm_embed (struct grub_disk *disk, unsigned int *nsectors,
unsigned int max_nsectors,
grub_embed_type_t embed_type,
grub_disk_addr_t **sectors);
#endif
const char *
grub_hostdisk_os_dev_to_grub_drive (const char *os_dev, int add);
char *
grub_util_get_os_disk (const char *os_dev);
int
grub_util_get_dm_node_linear_info (dev_t dev,
int *maj, int *min,
grub_disk_addr_t *st);
/* Supplied by hostdisk_*.c. */
grub_int64_t
grub_util_get_fd_size_os (grub_util_fd_t fd, const char *name, unsigned *log_secsize);
/* REturns partition offset in 512B blocks. */
grub_disk_addr_t
grub_hostdisk_find_partition_start_os (const char *dev);
void
grub_hostdisk_flush_initial_buffer (const char *os_dev);
#ifdef __GNU__
int
grub_util_hurd_get_disk_info (const char *dev, grub_uint32_t *secsize, grub_disk_addr_t *offset,
grub_disk_addr_t *size, char **parent);
#endif
struct grub_util_hostdisk_data
{
char *dev;
int access_mode;
grub_util_fd_t fd;
int is_disk;
int device_map;
};
void grub_host_init (void);
void grub_host_fini (void);
void grub_hostfs_init (void);
void grub_hostfs_fini (void);
#endif /* ! GRUB_BIOSDISK_MACHINE_UTIL_HEADER */
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