1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _SYS_FDIO_H 28 #define _SYS_FDIO_H 29 30 #ifdef __cplusplus 31 extern "C" { 32 #endif 33 34 /* 35 * Floppy Disk Characteristic Structure 36 */ 37 struct fd_char { 38 uchar_t fdc_medium; /* medium type. */ 39 int fdc_transfer_rate; /* transfer rate */ 40 int fdc_ncyl; /* number of cylinders */ 41 int fdc_nhead; /* number of heads */ 42 int fdc_sec_size; /* sector size */ 43 int fdc_secptrack; /* sectors per track */ 44 int fdc_steps; /* number of steps per */ 45 }; 46 47 /* 48 * Floppy State Structure 49 */ 50 struct fd_state { 51 int fds_bsec; /* bytes per sector */ 52 int fds_strack; /* sectors per track */ 53 int fds_step; /* step rate */ 54 int fds_rate; /* data rate */ 55 int fds_error; /* error returned by controller */ 56 }; 57 58 /* 59 * Used by FDGETCHANGE, return state of the sense disk change bit. 60 */ 61 #define FDGC_HISTORY 0x01 /* disk has changed since last i/o */ 62 #define FDGC_CURRENT 0x02 /* current state of disk change */ 63 #define FDGC_CURWPROT 0x10 /* current state of write protect */ 64 #define FDGC_DETECTED 0x20 /* previous state of DISK CHANGE */ 65 66 /* 67 * Used by FD{G, S}ETDRIVECHAR 68 */ 69 struct fd_drive { 70 int fdd_ejectable; /* does the drive support eject? */ 71 int fdd_maxsearch; /* size of per-unit search table */ 72 73 int fdd_writeprecomp; /* cyl to start write prcompensation */ 74 int fdd_writereduce; /* cyl to start recucing write current */ 75 int fdd_stepwidth; /* width of step pulse in 1 us units */ 76 int fdd_steprate; /* step rate in 100 us units */ 77 int fdd_headsettle; /* delay, in 100 us units */ 78 int fdd_headload; /* delay, in 100 us units */ 79 int fdd_headunload; /* delay, in 100 us units */ 80 int fdd_motoron; /* delay, in 100 ms units */ 81 int fdd_motoroff; /* delay, in 100 ms units */ 82 int fdd_precomplevel; /* bit shift, in nano-secs */ 83 int fdd_pins; /* defines meaning of pin 1, 2, 4, and 34 */ 84 int fdd_flags; /* TRUE READY, Starting Sector #, & Motor On */ 85 }; 86 87 /* 88 * fdd_flags: 89 */ 90 #define FDD_READY 0x1 91 #define FDD_MOTON 0x2 92 #define FDD_POLLABLE 0x4 93 94 /* 95 * Used by FD{G, S}ETSEARCH 96 */ 97 struct fd_search { 98 int fds_numentries; /* number of elements in the table */ 99 struct fd_char *fds_search; 100 }; 101 102 /* 103 * Used by FDIOCMD 104 */ 105 struct fd_cmd { 106 ushort_t fdc_cmd; /* command to be executed */ 107 int fdc_flags; /* execution flags */ 108 daddr_t fdc_blkno; /* disk address for command */ 109 int fdc_secnt; /* sector count for command */ 110 caddr_t fdc_bufaddr; /* user's buffer address */ 111 uint_t fdc_buflen; /* size of user's buffer */ 112 }; 113 114 #if defined(_SYSCALL32) 115 struct fd_cmd32 { 116 ushort_t fdc_cmd; /* command to be executed */ 117 int fdc_flags; /* execution flags */ 118 daddr32_t fdc_blkno; /* disk address for command */ 119 int fdc_secnt; /* sector count for command */ 120 caddr32_t fdc_bufaddr; /* user's buffer address */ 121 uint_t fdc_buflen; /* size of user's buffer */ 122 }; 123 #endif /* _SYSCALL32 */ 124 125 /* 126 * Floppy commands 127 */ 128 #define FDCMD_WRITE 1 129 #define FDCMD_READ 2 130 #define FDCMD_SEEK 3 131 #define FDCMD_REZERO 4 132 #define FDCMD_FORMAT_UNIT 5 133 #define FDCMD_FORMAT_TRACK 6 134 135 /* 136 * Execution flags. 137 */ 138 #define FD_SILENT 0x01 /* no error messages */ 139 #define FD_DIAGNOSE 0x02 /* fail if any error occurs */ 140 #define FD_ISOLATE 0x04 /* isolate from normal commands */ 141 #define FD_READ 0x08 /* read from device */ 142 #define FD_WRITE 0x10 /* write to device */ 143 144 /* 145 * Used by FDRAW 146 */ 147 struct fd_raw { 148 char fdr_cmd[10]; /* user-supplied command bytes */ 149 short fdr_cnum; /* number of command bytes */ 150 char fdr_result[10]; /* controller-supplied result bytes */ 151 ushort_t fdr_nbytes; /* number to transfer if read/write command */ 152 caddr_t fdr_addr; /* where to transfer if read/write command */ 153 }; 154 155 #ifdef _SYSCALL32 156 157 struct fd_raw32 { 158 char fdr_cmd[10]; /* user-supplied command bytes */ 159 short fdr_cnum; /* number of command bytes */ 160 char fdr_result[10]; /* controller-supplied result bytes */ 161 ushort_t fdr_nbytes; /* number to transfer if read/write command */ 162 caddr32_t fdr_addr; /* where to transfer if read/write command */ 163 }; 164 165 #endif /* _SYSCALL32 */ 166 167 168 /* 169 * Floppy raw commands 170 */ 171 #define FDRAW_SPECIFY 0x03 172 #define FDRAW_READID 0x0a 173 #define FDRAW_SENSE_DRV 0x04 174 #define FDRAW_REZERO 0x07 175 #define FDRAW_SEEK 0x0f 176 #define FDRAW_SENSE_INT 0x08 177 #define FDRAW_FORMAT 0x0d 178 #define FDRAW_READTRACK 0x02 179 #define FDRAW_WRCMD 0x05 180 #define FDRAW_RDCMD 0x06 181 #define FDRAW_WRITEDEL 0x09 182 #define FDRAW_READDEL 0x0c 183 184 185 /* 186 * Disk io control commands 187 */ 188 #define FDIOC (0x04 << 8) 189 #define FDIOGCHAR (FDIOC|51) /* GetCharacteristics */ 190 #define FDIOSCHAR (FDIOC|52) /* SetCharacteristics */ 191 #define FDEJECT (FDIOC|53) /* Eject floppy disk */ 192 #define FDGETCHANGE (FDIOC|54) /* Get diskchng stat */ 193 #define FDGETDRIVECHAR (FDIOC|55) /* Get drivechar */ 194 #define FDSETDRIVECHAR (FDIOC|56) /* Set drivechar */ 195 #define FDGETSEARCH (FDIOC|57) /* Get search tbl */ 196 #define FDSETSEARCH (FDIOC|58) /* Set search tbl */ 197 #define FDIOCMD (FDIOC|59) /* Floppy command */ 198 #define FDRAW (FDIOC|70) /* ECDstyle genericcmd */ 199 #define FDDEFGEOCHAR (FDIOC|86) /* restore default geometry */ 200 /* & characteristics */ 201 202 #ifdef __cplusplus 203 } 204 #endif 205 206 #endif /* _SYS_FDIO_H */ 207