1 /* 2 * Copyright (C) 1992-1994,2001 by Joerg Wunsch, Dresden 3 * All rights reserved. 4 * 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. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 19 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 20 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 21 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 22 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE 24 * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH 25 * DAMAGE. 26 * 27 * $FreeBSD: src/sys/i386/include/ioctl_fd.h,v 1.13.2.1 2001/07/19 13:16:54 joerg Exp $ 28 */ 29 30 #ifndef _MACHINE_IOCTL_FD_H_ 31 #define _MACHINE_IOCTL_FD_H_ 32 33 #ifndef _SYS_TYPES_H_ 34 #include <sys/types.h> 35 #endif 36 #ifndef _SYS_IOCCOM_H_ 37 #include <sys/ioccom.h> 38 #endif 39 40 #define FD_FORMAT_VERSION 110 /* used to validate before formatting */ 41 #define FD_MAX_NSEC 36 /* highest known number of spt - allow for */ 42 /* 2.88 MB drives */ 43 44 struct fd_formb { 45 int format_version; /* == FD_FORMAT_VERSION */ 46 int cyl, head; 47 int transfer_rate; /* fdreg.h: FDC_???KBPS */ 48 49 union { 50 struct fd_form_data { 51 /* 52 * DO NOT CHANGE THE LAYOUT OF THIS STRUCTS 53 * it is hardware-dependent since it exactly 54 * matches the byte sequence to write to FDC 55 * during its `format track' operation 56 */ 57 u_char secshift; /* 0 -> 128, ...; usually 2 -> 512 */ 58 u_char nsecs; /* must be <= FD_MAX_NSEC */ 59 u_char gaplen; /* GAP 3 length; usually 84 */ 60 u_char fillbyte; /* usually 0xf6 */ 61 struct fd_idfield_data { 62 /* 63 * data to write into id fields; 64 * for obscure formats, they mustn't match 65 * the real values (but mostly do) 66 */ 67 u_char cylno; /* 0 thru 79 (or 39) */ 68 u_char headno; /* 0, or 1 */ 69 u_char secno; /* starting at 1! */ 70 u_char secsize; /* usually 2 */ 71 } idfields[FD_MAX_NSEC]; /* 0 <= idx < nsecs used */ 72 } structured; 73 u_char raw[1]; /* to have continuous indexed access */ 74 } format_info; 75 }; 76 77 /* make life easier */ 78 # define fd_formb_secshift format_info.structured.secshift 79 # define fd_formb_nsecs format_info.structured.nsecs 80 # define fd_formb_gaplen format_info.structured.gaplen 81 # define fd_formb_fillbyte format_info.structured.fillbyte 82 /* these data must be filled in for(i = 0; i < fd_formb_nsecs; i++) */ 83 # define fd_formb_cylno(i) format_info.structured.idfields[i].cylno 84 # define fd_formb_headno(i) format_info.structured.idfields[i].headno 85 # define fd_formb_secno(i) format_info.structured.idfields[i].secno 86 # define fd_formb_secsize(i) format_info.structured.idfields[i].secsize 87 88 struct fd_type { 89 int sectrac; /* sectors per track */ 90 int secsize; /* size code for sectors */ 91 int datalen; /* data len when secsize = 0 */ 92 int gap; /* gap len between sectors */ 93 int tracks; /* total num of tracks */ 94 int size; /* size of disk in sectors */ 95 int steptrac; /* steps per cylinder */ 96 int trans; /* transfer speed code */ 97 int heads; /* number of heads */ 98 int f_gap; /* format gap len */ 99 int f_inter; /* format interleave factor */ 100 }; 101 102 struct fdc_status { 103 u_int status[7]; 104 }; 105 106 #define FD_FORM _IOW('F', 61, struct fd_formb) /* format a track */ 107 #define FD_GTYPE _IOR('F', 62, struct fd_type) /* get drive type */ 108 #define FD_STYPE _IOW('F', 63, struct fd_type) /* set drive type */ 109 110 #define FD_GOPTS _IOR('F', 64, int) /* drive options, see below */ 111 #define FD_SOPTS _IOW('F', 65, int) 112 113 /* 114 * Obtain NE765 status registers. Only successful if there is 115 * a valid status stored in fdc->status[]. 116 */ 117 #define FD_GSTAT _IOR('F', 68, struct fdc_status) 118 119 /* Options for FD_GOPTS/FD_SOPTS, cleared on device close */ 120 #define FDOPT_NORETRY 0x0001 /* no retries on failure */ 121 #define FDOPT_NOERRLOG 0x002 /* no "hard error" kernel log messages */ 122 123 /* 124 * The following definitions duplicate those in sys/dev/disk/fd/fdreg.h 125 * They are here since their values are to be used in the above 126 * structure when formatting a floppy. For very obvious reasons, both 127 * definitions must match ;-) 128 */ 129 #ifndef FDC_500KBPS 130 #define FDC_500KBPS 0x00 /* 500KBPS MFM drive transfer rate */ 131 #define FDC_300KBPS 0x01 /* 300KBPS MFM drive transfer rate */ 132 #define FDC_250KBPS 0x02 /* 250KBPS MFM drive transfer rate */ 133 #define FDC_125KBPS 0x03 /* 125KBPS FM drive transfer rate */ 134 /* for some controllers 1MPBS instead */ 135 #endif /* FDC_500KBPS */ 136 137 #endif /* !_MACHINE_IOCTL_FD_H_ */ 138