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 * $DragonFly: src/sys/platform/pc64/include/ioctl_fd.h,v 1.1 2007/08/21 19:45:45 corecode Exp $ 29 */ 30 31 #ifndef _MACHINE_IOCTL_FD_H_ 32 #define _MACHINE_IOCTL_FD_H_ 33 34 #ifndef _SYS_TYPES_H_ 35 #include <sys/types.h> 36 #endif 37 #ifndef _SYS_IOCCOM_H_ 38 #include <sys/ioccom.h> 39 #endif 40 41 #define FD_FORMAT_VERSION 110 /* used to validate before formatting */ 42 #define FD_MAX_NSEC 36 /* highest known number of spt - allow for */ 43 /* 2.88 MB drives */ 44 45 struct fd_formb { 46 int format_version; /* == FD_FORMAT_VERSION */ 47 int cyl, head; 48 int transfer_rate; /* fdreg.h: FDC_???KBPS */ 49 50 union { 51 struct fd_form_data { 52 /* 53 * DO NOT CHANGE THE LAYOUT OF THIS STRUCTS 54 * it is hardware-dependent since it exactly 55 * matches the byte sequence to write to FDC 56 * during its `format track' operation 57 */ 58 u_char secshift; /* 0 -> 128, ...; usually 2 -> 512 */ 59 u_char nsecs; /* must be <= FD_MAX_NSEC */ 60 u_char gaplen; /* GAP 3 length; usually 84 */ 61 u_char fillbyte; /* usually 0xf6 */ 62 struct fd_idfield_data { 63 /* 64 * data to write into id fields; 65 * for obscure formats, they mustn't match 66 * the real values (but mostly do) 67 */ 68 u_char cylno; /* 0 thru 79 (or 39) */ 69 u_char headno; /* 0, or 1 */ 70 u_char secno; /* starting at 1! */ 71 u_char secsize; /* usually 2 */ 72 } idfields[FD_MAX_NSEC]; /* 0 <= idx < nsecs used */ 73 } structured; 74 u_char raw[1]; /* to have continuous indexed access */ 75 } format_info; 76 }; 77 78 /* make life easier */ 79 # define fd_formb_secshift format_info.structured.secshift 80 # define fd_formb_nsecs format_info.structured.nsecs 81 # define fd_formb_gaplen format_info.structured.gaplen 82 # define fd_formb_fillbyte format_info.structured.fillbyte 83 /* these data must be filled in for(i = 0; i < fd_formb_nsecs; i++) */ 84 # define fd_formb_cylno(i) format_info.structured.idfields[i].cylno 85 # define fd_formb_headno(i) format_info.structured.idfields[i].headno 86 # define fd_formb_secno(i) format_info.structured.idfields[i].secno 87 # define fd_formb_secsize(i) format_info.structured.idfields[i].secsize 88 89 struct fd_type { 90 int sectrac; /* sectors per track */ 91 int secsize; /* size code for sectors */ 92 int datalen; /* data len when secsize = 0 */ 93 int gap; /* gap len between sectors */ 94 int tracks; /* total num of tracks */ 95 int size; /* size of disk in sectors */ 96 int steptrac; /* steps per cylinder */ 97 int trans; /* transfer speed code */ 98 int heads; /* number of heads */ 99 int f_gap; /* format gap len */ 100 int f_inter; /* format interleave factor */ 101 }; 102 103 struct fdc_status { 104 u_int status[7]; 105 }; 106 107 #define FD_FORM _IOW('F', 61, struct fd_formb) /* format a track */ 108 #define FD_GTYPE _IOR('F', 62, struct fd_type) /* get drive type */ 109 #define FD_STYPE _IOW('F', 63, struct fd_type) /* set drive type */ 110 111 #define FD_GOPTS _IOR('F', 64, int) /* drive options, see below */ 112 #define FD_SOPTS _IOW('F', 65, int) 113 114 #define FD_DEBUG _IOW('F', 66, int) 115 116 /* 117 * Obtain NE765 status registers. Only successful if there is 118 * a valid status stored in fdc->status[]. 119 */ 120 #define FD_GSTAT _IOR('F', 68, struct fdc_status) 121 122 /* Options for FD_GOPTS/FD_SOPTS, cleared on device close */ 123 #define FDOPT_NORETRY 0x0001 /* no retries on failure */ 124 #define FDOPT_NOERRLOG 0x002 /* no "hard error" kernel log messages */ 125 126 /* 127 * The following definitions duplicate those in sys/i386/isa/fdreg.h 128 * They are here since their values are to be used in the above 129 * structure when formatting a floppy. For very obvious reasons, both 130 * definitions must match ;-) 131 */ 132 #ifndef FDC_500KBPS 133 #define FDC_500KBPS 0x00 /* 500KBPS MFM drive transfer rate */ 134 #define FDC_300KBPS 0x01 /* 300KBPS MFM drive transfer rate */ 135 #define FDC_250KBPS 0x02 /* 250KBPS MFM drive transfer rate */ 136 #define FDC_125KBPS 0x03 /* 125KBPS FM drive transfer rate */ 137 /* for some controllers 1MPBS instead */ 138 #endif /* FDC_500KBPS */ 139 140 #endif /* !_MACHINE_IOCTL_FD_H_ */ 141