ulong ide_read(int device, lbaint_t blknr, ulong blkcnt, void *buffer);
ulong ide_write(int device, lbaint_t blknr, ulong blkcnt, void *buffer);
ulong ide_read(int device, lbaint_t blknr, ulong blkcnt, void *buffer);
ulong ide_write(int device, lbaint_t blknr, ulong blkcnt, void *buffer);