#ifndef _LINUX_FD_H
#define _LINUX_FD_H
-#include <linux/ioctl.h>
-#include <linux/compiler.h>
+#include <uapi/linux/fd.h>
-/* New file layout: Now the ioctl definitions immediately follow the
- * definitions of the structures that they use */
-
-/*
- * Geometry
- */
-struct floppy_struct {
- unsigned int size, /* nr of sectors total */
- sect, /* sectors per track */
- head, /* nr of heads */
- track, /* nr of tracks */
- stretch; /* bit 0 !=0 means double track steps */
- /* bit 1 != 0 means swap sides */
- /* bits 2..9 give the first sector */
- /* number (the LSB is flipped) */
-#define FD_STRETCH 1
-#define FD_SWAPSIDES 2
-#define FD_ZEROBASED 4
-#define FD_SECTBASEMASK 0x3FC
-#define FD_MKSECTBASE(s) (((s) ^ 1) << 2)
-#define FD_SECTBASE(floppy) ((((floppy)->stretch & FD_SECTBASEMASK) >> 2) ^ 1)
-
- unsigned char gap, /* gap1 size */
-
- rate, /* data rate. |= 0x40 for perpendicular */
-#define FD_2M 0x4
-#define FD_SIZECODEMASK 0x38
-#define FD_SIZECODE(floppy) (((((floppy)->rate&FD_SIZECODEMASK)>> 3)+ 2) %8)
-#define FD_SECTSIZE(floppy) ( (floppy)->rate & FD_2M ? \
- 512 : 128 << FD_SIZECODE(floppy) )
-#define FD_PERP 0x40
-
- spec1, /* stepping rate, head unload time */
- fmt_gap; /* gap2 size */
- const char * name; /* used only for predefined formats */
-};
-
-
-/* commands needing write access have 0x40 set */
-/* commands needing super user access have 0x80 set */
-
-#define FDCLRPRM _IO(2, 0x41)
-/* clear user-defined parameters */
-
-#define FDSETPRM _IOW(2, 0x42, struct floppy_struct)
-#define FDSETMEDIAPRM FDSETPRM
-/* set user-defined parameters for current media */
-
-#define FDDEFPRM _IOW(2, 0x43, struct floppy_struct)
-#define FDGETPRM _IOR(2, 0x04, struct floppy_struct)
-#define FDDEFMEDIAPRM FDDEFPRM
-#define FDGETMEDIAPRM FDGETPRM
-/* set/get disk parameters */
-
-
-#define FDMSGON _IO(2,0x45)
-#define FDMSGOFF _IO(2,0x46)
-/* issue/don't issue kernel messages on media type change */
-
-
-/*
- * Formatting (obsolete)
- */
-#define FD_FILL_BYTE 0xF6 /* format fill byte. */
-
-struct format_descr {
- unsigned int device,head,track;
-};
-
-#define FDFMTBEG _IO(2,0x47)
-/* begin formatting a disk */
-#define FDFMTTRK _IOW(2,0x48, struct format_descr)
-/* format the specified track */
-#define FDFMTEND _IO(2,0x49)
-/* end formatting a disk */
-
-
-/*
- * Error thresholds
- */
-struct floppy_max_errors {
- unsigned int
- abort, /* number of errors to be reached before aborting */
- read_track, /* maximal number of errors permitted to read an
- * entire track at once */
- reset, /* maximal number of errors before a reset is tried */
- recal, /* maximal number of errors before a recalibrate is
- * tried */
-
- /*
- * Threshold for reporting FDC errors to the console.
- * Setting this to zero may flood your screen when using
- * ultra cheap floppies ;-)
- */
- reporting;
-
-};
-
-#define FDSETEMSGTRESH _IO(2,0x4a)
-/* set fdc error reporting threshold */
-
-#define FDFLUSH _IO(2,0x4b)
-/* flush buffers for media; either for verifying media, or for
- * handling a media change without closing the file descriptor */
-
-#define FDSETMAXERRS _IOW(2, 0x4c, struct floppy_max_errors)
-#define FDGETMAXERRS _IOR(2, 0x0e, struct floppy_max_errors)
-/* set/get abortion and read_track threshold. See also floppy_drive_params
- * structure */
-
-
-typedef char floppy_drive_name[16];
-#define FDGETDRVTYP _IOR(2, 0x0f, floppy_drive_name)
-/* get drive type: 5 1/4 or 3 1/2 */
-
-
-/*
- * Drive parameters (user modifiable)
- */
-struct floppy_drive_params {
- signed char cmos; /* CMOS type */
-
- /* Spec2 is (HLD<<1 | ND), where HLD is head load time (1=2ms, 2=4 ms
- * etc) and ND is set means no DMA. Hardcoded to 6 (HLD=6ms, use DMA).
- */
- unsigned long max_dtr; /* Step rate, usec */
- unsigned long hlt; /* Head load/settle time, msec */
- unsigned long hut; /* Head unload time (remnant of
- * 8" drives) */
- unsigned long srt; /* Step rate, usec */
-
- unsigned long spinup; /* time needed for spinup (expressed
- * in jiffies) */
- unsigned long spindown; /* timeout needed for spindown */
- unsigned char spindown_offset; /* decides in which position the disk
- * will stop */
- unsigned char select_delay; /* delay to wait after select */
- unsigned char rps; /* rotations per second */
- unsigned char tracks; /* maximum number of tracks */
- unsigned long timeout; /* timeout for interrupt requests */
-
- unsigned char interleave_sect; /* if there are more sectors, use
- * interleave */
-
- struct floppy_max_errors max_errors;
-
- char flags; /* various flags, including ftd_msg */
-/*
- * Announce successful media type detection and media information loss after
- * disk changes.
- * Also used to enable/disable printing of overrun warnings.
- */
-
-#define FTD_MSG 0x10
-#define FD_BROKEN_DCL 0x20
-#define FD_DEBUG 0x02
-#define FD_SILENT_DCL_CLEAR 0x4
-#define FD_INVERTED_DCL 0x80 /* must be 0x80, because of hardware
- considerations */
-
- char read_track; /* use readtrack during probing? */
-
-/*
- * Auto-detection. Each drive type has eight formats which are
- * used in succession to try to read the disk. If the FDC cannot lock onto
- * the disk, the next format is tried. This uses the variable 'probing'.
- */
- short autodetect[8]; /* autodetected formats */
-
- int checkfreq; /* how often should the drive be checked for disk
- * changes */
- int native_format; /* native format of this drive */
-};
-
-enum {
- FD_NEED_TWADDLE_BIT, /* more magic */
- FD_VERIFY_BIT, /* inquire for write protection */
- FD_DISK_NEWCHANGE_BIT, /* change detected, and no action undertaken yet
- * to clear media change status */
- FD_UNUSED_BIT,
- FD_DISK_CHANGED_BIT, /* disk has been changed since last i/o */
- FD_DISK_WRITABLE_BIT /* disk is writable */
-};
-
-#define FDSETDRVPRM _IOW(2, 0x90, struct floppy_drive_params)
-#define FDGETDRVPRM _IOR(2, 0x11, struct floppy_drive_params)
-/* set/get drive parameters */
-
-
-/*
- * Current drive state (not directly modifiable by user, readonly)
- */
-struct floppy_drive_struct {
- unsigned long flags;
-/* values for these flags */
-#define FD_NEED_TWADDLE (1 << FD_NEED_TWADDLE_BIT)
-#define FD_VERIFY (1 << FD_VERIFY_BIT)
-#define FD_DISK_NEWCHANGE (1 << FD_DISK_NEWCHANGE_BIT)
-#define FD_DISK_CHANGED (1 << FD_DISK_CHANGED_BIT)
-#define FD_DISK_WRITABLE (1 << FD_DISK_WRITABLE_BIT)
-
- unsigned long spinup_date;
- unsigned long select_date;
- unsigned long first_read_date;
- short probed_format;
- short track; /* current track */
- short maxblock; /* id of highest block read */
- short maxtrack; /* id of highest half track read */
- int generation; /* how many diskchanges? */
-
-/*
- * (User-provided) media information is _not_ discarded after a media change
- * if the corresponding keep_data flag is non-zero. Positive values are
- * decremented after each probe.
- */
- int keep_data;
-
- /* Prevent "aliased" accesses. */
- int fd_ref;
- int fd_device;
- unsigned long last_checked; /* when was the drive last checked for a disk
- * change? */
-
- char *dmabuf;
- int bufblocks;
-};
-
-#define FDGETDRVSTAT _IOR(2, 0x12, struct floppy_drive_struct)
-#define FDPOLLDRVSTAT _IOR(2, 0x13, struct floppy_drive_struct)
-/* get drive state: GET returns the cached state, POLL polls for new state */
-
-
-/*
- * reset FDC
- */
-enum reset_mode {
- FD_RESET_IF_NEEDED, /* reset only if the reset flags is set */
- FD_RESET_IF_RAWCMD, /* obsolete */
- FD_RESET_ALWAYS /* reset always */
-};
-#define FDRESET _IO(2, 0x54)
-
-
-/*
- * FDC state
- */
-struct floppy_fdc_state {
- int spec1; /* spec1 value last used */
- int spec2; /* spec2 value last used */
- int dtr;
- unsigned char version; /* FDC version code */
- unsigned char dor;
- unsigned long address; /* io address */
- unsigned int rawcmd:2;
- unsigned int reset:1;
- unsigned int need_configure:1;
- unsigned int perp_mode:2;
- unsigned int has_fifo:1;
- unsigned int driver_version; /* version code for floppy driver */
-#define FD_DRIVER_VERSION 0x100
-/* user programs using the floppy API should use floppy_fdc_state to
- * get the version number of the floppy driver that they are running
- * on. If this version number is bigger than the one compiled into the
- * user program (the FD_DRIVER_VERSION define), it should be prepared
- * to bigger structures
- */
-
- unsigned char track[4];
- /* Position of the heads of the 4 units attached to this FDC,
- * as stored on the FDC. In the future, the position as stored
- * on the FDC might not agree with the actual physical
- * position of these drive heads. By allowing such
- * disagreement, it will be possible to reset the FDC without
- * incurring the expensive cost of repositioning all heads.
- * Right now, these positions are hard wired to 0. */
-
-};
-
-#define FDGETFDCSTAT _IOR(2, 0x15, struct floppy_fdc_state)
-
-
-/*
- * Asynchronous Write error tracking
- */
-struct floppy_write_errors {
- /* Write error logging.
- *
- * These fields can be cleared with the FDWERRORCLR ioctl.
- * Only writes that were attempted but failed due to a physical media
- * error are logged. write(2) calls that fail and return an error code
- * to the user process are not counted.
- */
-
- unsigned int write_errors; /* number of physical write errors
- * encountered */
-
- /* position of first and last write errors */
- unsigned long first_error_sector;
- int first_error_generation;
- unsigned long last_error_sector;
- int last_error_generation;
-
- unsigned int badness; /* highest retry count for a read or write
- * operation */
-};
-
-#define FDWERRORCLR _IO(2, 0x56)
-/* clear write error and badness information */
-#define FDWERRORGET _IOR(2, 0x17, struct floppy_write_errors)
-/* get write error and badness information */
-
-
-/*
- * Raw commands
- */
-/* new interface flag: now we can do them in batches */
-#define FDHAVEBATCHEDRAWCMD
-
-struct floppy_raw_cmd {
- unsigned int flags;
-#define FD_RAW_READ 1
-#define FD_RAW_WRITE 2
-#define FD_RAW_NO_MOTOR 4
-#define FD_RAW_DISK_CHANGE 4 /* out: disk change flag was set */
-#define FD_RAW_INTR 8 /* wait for an interrupt */
-#define FD_RAW_SPIN 0x10 /* spin up the disk for this command */
-#define FD_RAW_NO_MOTOR_AFTER 0x20 /* switch the motor off after command
- * completion */
-#define FD_RAW_NEED_DISK 0x40 /* this command needs a disk to be present */
-#define FD_RAW_NEED_SEEK 0x80 /* this command uses an implied seek (soft) */
-
-/* more "in" flags */
-#define FD_RAW_MORE 0x100 /* more records follow */
-#define FD_RAW_STOP_IF_FAILURE 0x200 /* stop if we encounter a failure */
-#define FD_RAW_STOP_IF_SUCCESS 0x400 /* stop if command successful */
-#define FD_RAW_SOFTFAILURE 0x800 /* consider the return value for failure
- * detection too */
-
-/* more "out" flags */
-#define FD_RAW_FAILURE 0x10000 /* command sent to fdc, fdc returned error */
-#define FD_RAW_HARDFAILURE 0x20000 /* fdc had to be reset, or timed out */
-
- void __user *data;
- char *kernel_data; /* location of data buffer in the kernel */
- struct floppy_raw_cmd *next; /* used for chaining of raw cmd's
- * within the kernel */
- long length; /* in: length of dma transfer. out: remaining bytes */
- long phys_length; /* physical length, if different from dma length */
- int buffer_length; /* length of allocated buffer */
-
- unsigned char rate;
- unsigned char cmd_count;
- unsigned char cmd[16];
- unsigned char reply_count;
- unsigned char reply[16];
- int track;
- int resultcode;
-
- int reserved1;
- int reserved2;
-};
-
-#define FDRAWCMD _IO(2, 0x58)
-/* send a raw command to the fdc. Structure size not included, because of
- * batches */
-
-#define FDTWADDLE _IO(2, 0x59)
-/* flicker motor-on bit before reading a sector. Experimental */
-
-
-#define FDEJECT _IO(2, 0x5a)
-/* eject the disk */
-
-
-#ifdef __KERNEL__
#ifdef CONFIG_COMPAT
#include <linux/compat.h>
#define FDGETPRM32 _IOR(2, 0x04, struct compat_floppy_struct)
#endif
#endif
-
-#endif
git.openpandora.org / pandora-kernel.git / blobdiff