[unix-history] / sys / i386 / include / ioctl_fd.h

/*
 * Copyright (C) 1992-1993 by Joerg Wunsch, Dresden
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#ifndef _IOCTL_FD_H
#define _IOCTL_FD_H

#include <sys/types.h>
#include <sys/ioctl.h>

#define FD_FORMAT_VERSION 110	/* used to validate before formatting */
#define FD_MAX_NSEC 36		/* highest known number of spt - allow for */
				/* 2.88 MB drives */

struct fd_formb {
	int format_version;	/* == FD_FORMAT_VERSION */
	int cyl, head;
	int transfer_rate;	/* fdreg.h: FDC_???KBPS */

	union {
		struct fd_form_data {
			/*
			 * DO NOT CHANGE THE LAYOUT OF THIS STRUCTS
			 * it is hardware-dependant since it exactly
			 * matches the byte sequence to write to FDC
			 * during its `format track' operation
			 */
			u_char secshift; /* 0 -> 128, ...; usually 2 -> 512 */
			u_char nsecs;	/* must be <= FD_MAX_NSEC */
			u_char gaplen;	/* GAP 3 length; usually 84 */
			u_char fillbyte; /* usually 0xf6 */
			struct fd_idfield_data {
				/*
				 * data to write into id fields;
				 * for obscure formats, they mustn't match
				 * the real values (but mostly do)
				 */
				u_char cylno;	/* 0 thru 79 (or 39) */
				u_char headno;	/* 0, or 1 */
				u_char secno;	/* starting at 1! */
				u_char secsize;	/* usually 2 */
			} idfields[FD_MAX_NSEC]; /* 0 <= idx < nsecs used */
		} structured;
		u_char raw[1];	/* to have continuous indexed access */
	} format_info;
};

/* make life easier */
# define fd_formb_secshift   format_info.structured.secshift
# define fd_formb_nsecs      format_info.structured.nsecs
# define fd_formb_gaplen     format_info.structured.gaplen
# define fd_formb_fillbyte   format_info.structured.fillbyte
/* these data must be filled in for(i = 0; i < fd_formb_nsecs; i++) */
# define fd_formb_cylno(i)   format_info.structured.idfields[i].cylno
# define fd_formb_headno(i)  format_info.structured.idfields[i].headno
# define fd_formb_secno(i)   format_info.structured.idfields[i].secno
# define fd_formb_secsize(i) format_info.structured.idfields[i].secsize

struct fd_type {
	int	sectrac;		/* sectors per track         */
	int	secsize;		/* size code for sectors     */
	int	datalen;		/* data len when secsize = 0 */
	int	gap;			/* gap len between sectors   */
	int	tracks;			/* total num of tracks       */
	int	size;			/* size of disk in sectors   */
	int	steptrac;		/* steps per cylinder        */
	int	trans;			/* transfer speed code       */
	int	heads;			/* number of heads	     */
	int     f_gap;                  /* format gap len            */
	int     f_inter;                /* format interleave factor  */
};

#define FD_FORM   _IOW('F', 61, struct fd_formb) /* format a track */
#define FD_GTYPE  _IOR('F', 62, struct fd_type)  /* get drive type */

#endif  /* !def _IOCTL_FD_H */
Commit	Line	Data
9629be3e	1	/*
c021c298 AC	2	* Copyright (C) 1992-1993 by Joerg Wunsch, Dresden
c021c298 AC	3	* All rights reserved.
9629be3e	4	*
c021c298 AC	5	* Redistribution and use in source and binary forms, with or without
	6	* modification, are permitted provided that the following conditions
	7	* are met:
	8	* 1. Redistributions of source code must retain the above copyright
	9	* notice, this list of conditions and the following disclaimer.
	10	* 2. Redistributions in binary form must reproduce the above copyright
	11	* notice, this list of conditions and the following disclaimer in the
	12	* documentation and/or other materials provided with the distribution.
9629be3e	13	*
c021c298 AC	14	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND
	15	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	16	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	17	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	18	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	19	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	20	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	21	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	22	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	23	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	24	* SUCH DAMAGE.
9629be3e AC	25	*/
	26
	27	#ifndef _IOCTL_FD_H
	28	#define _IOCTL_FD_H
	29
	30	#include <sys/types.h>
	31	#include <sys/ioctl.h>
	32
	33	#define FD_FORMAT_VERSION 110 /* used to validate before formatting */
	34	#define FD_MAX_NSEC 36 /* highest known number of spt - allow for */
	35	/* 2.88 MB drives */
	36
	37	struct fd_formb {
	38	int format_version; /* == FD_FORMAT_VERSION */
	39	int cyl, head;
	40	int transfer_rate; /* fdreg.h: FDC_???KBPS */
	41
	42	union {
	43	struct fd_form_data {
	44	/*
	45	* DO NOT CHANGE THE LAYOUT OF THIS STRUCTS
	46	* it is hardware-dependant since it exactly
	47	* matches the byte sequence to write to FDC
	48	* during its `format track' operation
	49	*/
	50	u_char secshift; /* 0 -> 128, ...; usually 2 -> 512 */
	51	u_char nsecs; /* must be <= FD_MAX_NSEC */
	52	u_char gaplen; /* GAP 3 length; usually 84 */
	53	u_char fillbyte; /* usually 0xf6 */
	54	struct fd_idfield_data {
	55	/*
	56	* data to write into id fields;
	57	* for obscure formats, they mustn't match
	58	* the real values (but mostly do)
	59	*/
	60	u_char cylno; /* 0 thru 79 (or 39) */
	61	u_char headno; /* 0, or 1 */
	62	u_char secno; /* starting at 1! */
	63	u_char secsize; /* usually 2 */
	64	} idfields[FD_MAX_NSEC]; /* 0 <= idx < nsecs used */
	65	} structured;
	66	u_char raw[1]; /* to have continuous indexed access */
	67	} format_info;
	68	};
	69
	70	/* make life easier */
	71	# define fd_formb_secshift format_info.structured.secshift
	72	# define fd_formb_nsecs format_info.structured.nsecs
	73	# define fd_formb_gaplen format_info.structured.gaplen
	74	# define fd_formb_fillbyte format_info.structured.fillbyte
	75	/* these data must be filled in for(i = 0; i < fd_formb_nsecs; i++) */
	76	# define fd_formb_cylno(i) format_info.structured.idfields[i].cylno
	77	# define fd_formb_headno(i) format_info.structured.idfields[i].headno
	78	# define fd_formb_secno(i) format_info.structured.idfields[i].secno
	79	# define fd_formb_secsize(i) format_info.structured.idfields[i].secsize
	80
	81	struct fd_type {
	82	int sectrac; /* sectors per track */
	83	int secsize; /* size code for sectors */
	84	int datalen; /* data len when secsize = 0 */
	85	int gap; /* gap len between sectors */
	86	int tracks; /* total num of tracks */
	87	int size; /* size of disk in sectors */
	88	int steptrac; /* steps per cylinder */
89	int trans; /* transfer speed code */
90	int heads; /* number of heads */
7709c715 AC	91	int f_gap; /* format gap len */
7709c715 AC	92	int f_inter; /* format interleave factor */
9629be3e AC	93	};
	94
	95	#define FD_FORM _IOW('F', 61, struct fd_formb) /* format a track */
	96	#define FD_GTYPE _IOR('F', 62, struct fd_type) /* get drive type */
	97
	98	#endif /* !def _IOCTL_FD_H */