1#ifndef FS_H 2#define FS_H 3 4#include <stdint.h> 5 6//typedef uint64_t sector_t; 7 8#ifdef IDE_DISK 9int ide_probe(int drive); 10int ide_read(int drive, sector_t sector, void *buffer); 11#endif 12 13#ifdef USB_DISK 14int usb_probe(int drive); 15int usb_read(int drive, sector_t sector, void *buffer); 16#endif 17 18#define DISK_IDE 1 19#define DISK_MEM 2 20#define DISK_USB 3 21 22int devopen(const char *name, int *reopen); 23int devread(unsigned long sector, unsigned long byte_offset, 24 unsigned long byte_len, void *buf); 25 26int file_open(const char *filename); 27int file_read(void *buf, unsigned long len); 28int file_seek(unsigned long offset); 29unsigned long file_size(void); 30 31#define PARTITION_UNKNOWN 0xbad6a7 32 33#ifdef ELTORITO 34int open_eltorito_image(int part, unsigned long *start, unsigned long *length); 35#else 36# define open_eltorito_image(x,y,z) PARTITION_UNKNOWN 37#endif 38 39extern int using_devsize; 40 41#endif /* FS_H */ 42