fd.h File Reference

#include "shell/sys/linux/vsf_linux_cfg.h"
#include "../sys/ioctl.h"

Go to the source code of this file.

Data Structures
struct	floppy_struct

Macros
#define	FD_STRETCH   1
#define	FD_SWAPSIDES   2
#define	FD_ZEROBASED   4
#define	FD_SECTBASEMASK   0x3FC
#define	FD_MKSECTBASE(s)
#define	FD_SECTBASE(floppy)
#define	FD_2M   0x4
#define	FD_SIZECODEMASK   0x38
#define	FD_SIZECODE(floppy)
#define	FD_SECTSIZE(floppy)
#define	FD_PERP   0x40
#define	FDGETPRM   _IOR(2, 0x04, struct floppy_struct)

Macro Definition Documentation

FD_STRETCH

#define FD_STRETCH   1

FD_SWAPSIDES

#define FD_SWAPSIDES   2

FD_ZEROBASED

#define FD_ZEROBASED   4

FD_SECTBASEMASK

#define FD_SECTBASEMASK   0x3FC

FD_MKSECTBASE

#define FD_MKSECTBASE

(

s

)

Value:

(((s) ^ 1) << 2)

FD_SECTBASE

#define FD_SECTBASE

(

floppy

)

Value:

((((floppy)->stretch & FD_SECTBASEMASK) >> 2) ^ 1)

FD_2M

#define FD_2M   0x4

FD_SIZECODEMASK

#define FD_SIZECODEMASK   0x38

FD_SIZECODE

#define FD_SIZECODE

(

floppy

)

Value:

(((((floppy)->rate&FD_SIZECODEMASK)>> 3)+ 2) %8)

FD_SECTSIZE

#define FD_SECTSIZE

(

floppy

)

Value:

                 ( (floppy)->rate & FD_2M ? \
                 512 : 128 << FD_SIZECODE(floppy) )

FD_PERP

#define FD_PERP   0x40

FDGETPRM

#define FDGETPRM   _IOR(2, 0x04, struct floppy_struct)