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#ifndef _VFS_H
#define _VFS_H
#include <stdint.h>
#define DISK_IDE 1
#define DISK_MEM 2
int devopen(const char *name, int *reopen);
int devread(unsigned long sector, unsigned long byte_offset,
unsigned long byte_len, void *buf);
int file_open(const char *filename);
int file_read(void *buf, unsigned long len);
int file_seek(unsigned long offset);
unsigned long file_pos(void);
unsigned long file_size(void);
#define PARTITION_UNKNOWN 0xbad6a7
#ifdef CONFIG_FS_ELTORITO
int open_eltorito_image(int part, unsigned long *start, unsigned long *length);
#else
# define open_eltorito_image(x,y,z) PARTITION_UNKNOWN
#endif
extern int using_devsize;
#endif /* _VFS_H */
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