diff options
Diffstat (limited to 'sys/arch/i386/include')
| -rw-r--r-- | sys/arch/i386/include/ioctl_fd.h | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/sys/arch/i386/include/ioctl_fd.h b/sys/arch/i386/include/ioctl_fd.h new file mode 100644 index 00000000000..15683e94314 --- /dev/null +++ b/sys/arch/i386/include/ioctl_fd.h @@ -0,0 +1,129 @@ +/* $OpenBSD: ioctl_fd.h,v 1.1 1996/06/20 07:51:36 downsj Exp $ */ +/* $Id: ioctl_fd.h,v 1.1 1996/06/20 07:51:36 downsj Exp $ */ + +/* + * Copyright (C) 1992-1994 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(S) ``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 AUTHOR(S) 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. + * + * From: Id: ioctl_fd.h,v 1.7 1994/10/30 19:17:39 joerg Exp + */ + +#ifndef _I386_IOCTL_FD_H_ +#define _I386_IOCTL_FD_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 + +/* + * Floppies come in various flavors, e.g., 1.2MB vs 1.44MB; here is how + * we tell them apart. + */ +struct fd_type { + int sectrac; /* sectors per track */ + int heads; /* number of heads */ + int seccyl; /* sectors per cylinder */ + int secsize; /* size code for sectors */ + int datalen; /* data len when secsize = 0 */ + int steprate; /* step rate and head unload time */ + int gap1; /* gap len between sectors */ + int gap2; /* formatting gap */ + int tracks; /* total num of tracks */ + int size; /* size of disk in sectors */ + int step; /* steps per cylinder */ + int rate; /* transfer speed code */ + char *name; +}; + + +#define FD_FORM _IOW('F', 61, struct fd_formb) /* format a track */ +#define FD_GTYPE _IOR('F', 62, struct fd_type) /* get drive type */ +#define FD_STYPE _IOW('F', 63, struct fd_type) /* set drive type */ + +#define FD_GOPTS _IOR('F', 64, int) /* drive options, see below */ +#define FD_SOPTS _IOW('F', 65, int) + +#define FDOPT_NORETRY 0x0001 /* no retries on failure (cleared on close) */ + +/* + * The following definitions duplicate those in sys/i386/isa/fdreg.h + * They are here since their values are to be used in the above + * structure when formatting a floppy. For very obvious reasons, both + * definitions must match ;-) + */ +#ifndef FDC_500KBPS +#define FDC_500KBPS 0x00 /* 500KBPS MFM drive transfer rate */ +#define FDC_300KBPS 0x01 /* 300KBPS MFM drive transfer rate */ +#define FDC_250KBPS 0x02 /* 250KBPS MFM drive transfer rate */ +#define FDC_125KBPS 0x03 /* 125KBPS FM drive transfer rate */ + /* for some controllers 1MPBS instead */ +#endif /* FDC_500KBPS */ + + +#endif /* !_I386_IOCTL_FD_H__ */ |