Restoring authorship annotation for <orivej@yandex-team.ru>. Commit 2 of 2.

1 files changed, 383 insertions, 383 deletions

diff --git a/contrib/libs/linux-headers/linux/fd.h b/contrib/libs/linux-headers/linux/fd.h
index e16fb3fa4c..2ada3f3d6d 100644
--- a/contrib/libs/linux-headers/linux/fd.h
+++ b/contrib/libs/linux-headers/linux/fd.h
@@ -1,384 +1,384 @@
-/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 
-#ifndef _LINUX_FD_H 
-#define _LINUX_FD_H 
- 
-#include <linux/ioctl.h> 
- 
- 
-/* New file layout: Now the ioctl definitions immediately follow the 
- * definitions of the structures that they use */ 
- 
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#ifndef _LINUX_FD_H
+#define _LINUX_FD_H
+
+#include <linux/ioctl.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 */
+
+
 /* 
- * 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 */ 
-	FD_OPEN_SHOULD_FAIL_BIT 
-}; 
- 
-#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 *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 */ 
- 
- 
- 
-#endif /* _LINUX_FD_H */ 
+ * 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 */
+	FD_OPEN_SHOULD_FAIL_BIT
+};
+
+#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 *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 */
+
+
+
+#endif /* _LINUX_FD_H */