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/* device.h - Define macros and declare prototypes for device.c */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 1999,2000,2004 Free Software Foundation, Inc.
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef DEVICE_MAP_HEADER
#define DEVICE_MAP_HEADER 1
/* The maximum number of BIOS disks. */
#define NUM_DISKS 256
/* Simulated disk sizes. */
#define DEFAULT_FD_CYLINDERS 80
#define DEFAULT_FD_HEADS 2
#define DEFAULT_FD_SECTORS 18
#define DEFAULT_HD_CYLINDERS 620
#define DEFAULT_HD_HEADS 128
#define DEFAULT_HD_SECTORS 63
/* Function prototypes. */
extern void get_drive_geometry (struct geometry *geom, char **map, int drive);
extern int check_device (const char *device);
extern int init_device_map (char ***map, const char *map_file,
int no_floppies);
extern void restore_device_map (char **map);
#ifdef __linux__
extern int is_disk_device (char **map, int drive);
extern int write_to_partition (char **map, int drive, int partition,
int offset, int size, const char *buf);
#endif /* __linux__ */
#endif /* DEVICE_MAP_HEADER */
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