rdreg.h revision 1.1
1 /* 2 * Copyright (c) 1988 University of Utah. 3 * Copyright (c) 1982, 1990 The Regents of the University of California. 4 * All rights reserved. 5 * 6 * This code is derived from software contributed to Berkeley by 7 * the Systems Programming Group of the University of Utah Computer 8 * Science Department. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the University of 21 * California, Berkeley and its contributors. 22 * 4. Neither the name of the University nor the names of its contributors 23 * may be used to endorse or promote products derived from this software 24 * without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * from: Utah $Hdr: rdreg.h 1.2 90/10/12$ 39 * 40 * @(#)rdreg.h 7.3 (Berkeley) 2/25/91 41 */ 42 43 struct rd_iocmd { 44 char c_pad; 45 char c_unit; 46 char c_volume; 47 char c_saddr; 48 short c_hiaddr; 49 long c_addr; 50 char c_nop2; 51 char c_slen; 52 long c_len; 53 char c_cmd; 54 char c_pad2; 55 }; 56 57 struct rd_rscmd { 58 char c_unit; 59 char c_sram; 60 char c_ram; 61 char c_cmd; 62 }; 63 64 struct rd_stat { 65 char c_vu; 66 char c_pend; 67 short c_ref; 68 short c_fef; 69 short c_aef; 70 short c_ief; 71 union { 72 char cu_raw[10]; 73 struct { 74 short cu_msw; 75 long cu_lsl; 76 } cu_sva; 77 struct { 78 long cu_cyhd; 79 short cu_sect; 80 } cu_tva; 81 } c_pf; 82 }; 83 #define c_raw c_pf.cu_raw 84 #define c_blk c_pf.cu_sva.cu_lsl /* for now */ 85 #define c_tva c_pf.cu_tva 86 87 struct rd_ssmcmd { 88 char c_unit; 89 char c_cmd; 90 short c_refm; 91 short c_fefm; 92 short c_aefm; 93 short c_iefm; 94 }; 95 96 struct rd_srcmd { 97 char c_unit; 98 char c_nop; 99 char c_cmd; 100 char c_param; 101 }; 102 103 struct rd_clearcmd { 104 char c_unit; 105 char c_cmd; 106 }; 107 108 struct rd_describe { 109 u_int d_iuw:16, /* controller: installed unit word */ 110 d_cmaxxfr:16, /* controller: max transfer rate (Kb) */ 111 d_ctype:8, /* controller: controller type */ 112 d_utype:8, /* unit: unit type */ 113 d_name:24, /* unit: name (6 BCD digits) */ 114 d_sectsize:16, /* unit: # of bytes per block (sector) */ 115 d_blkbuf:8, /* unit: # of blocks which can be buffered */ 116 d_burstsize:8, /* unit: recommended burst size */ 117 d_blocktime:16, /* unit: block time (u-sec) */ 118 d_uavexfr:16, /* unit: average transfer rate (Kb) */ 119 d_retry:16, /* unit: optimal retry time (1/100-sec) */ 120 d_access:16, /* unit: access time param (1/100-sec) */ 121 d_maxint:8, /* unit: maximum interleave */ 122 d_fvbyte:8, /* unit: fixed volume byte */ 123 d_rvbyte:8, /* unit: removeable volume byte */ 124 d_maxcyl:24, /* volume: maximum cylinder */ 125 d_maxhead:8, /* volume: maximum head */ 126 d_maxsect:16, /* volume: maximum sector on track */ 127 d_maxvsecth:16, /* volume: maximum sector on volume (MSW) */ 128 d_maxvsectl:32, /* volume: maximum sector on volume (LSWs) */ 129 d_interleave:8; /* volume: current interleave */ 130 }; 131 132 /* indicies into rdinfo -- order is arbitrary */ 133 #define RD7945A 0 134 #define RD9134D 1 135 #define RD9122S 2 136 #define RD7912P 3 137 #define RD7914P 4 138 #define RD7958A 5 139 #define RD7957A 6 140 #define RD7933H 7 141 #define RD9134L 8 142 #define RD7936H 9 143 #define RD7937H 10 144 #define RD7914CT 11 145 #define RD7946A 12 146 #define RD9122D 13 147 #define RD7957B 14 148 #define RD7958B 15 149 #define RD7959B 16 150 151 /* HW ids */ 152 #define RD7946AID 0x220 /* also 7945A */ 153 #define RD9134DID 0x221 /* also 9122S */ 154 #define RD9134LID 0x222 /* also 9122D */ 155 #define RD7912PID 0x209 156 #define RD7914CTID 0x20A 157 #define RD7914PID 0x20B 158 #define RD7958AID 0x22B 159 #define RD7957AID 0x22A 160 #define RD7933HID 0x212 161 #define RD7936HID 0x213 /* just guessing -- as of yet unknown */ 162 #define RD7937HID 0x214 163 #define RD7957BID 0x22C /* another guess based on 7958B */ 164 #define RD7958BID 0x22D 165 #define RD7959BID 0x22E /* another guess based on 7958B */ 166 #define RD2200AID 0x22F 167 #define RD2203AID 0x230 /* yet another guess */ 168 169 #define NRD7945ABPT (32 >> (DEV_BSHIFT-8)) 170 #define NRD7945ATRK 7 171 #define NRD9134DBPT (32 >> (DEV_BSHIFT-8)) 172 #define NRD9134DTRK 6 173 #define NRD9122SBPT (16 >> (DEV_BSHIFT-8)) 174 #define NRD9122STRK 2 175 #define NRD7912PBPT (64 >> (DEV_BSHIFT-8)) 176 #define NRD7912PTRK 7 177 #define NRD7914PBPT (64 >> (DEV_BSHIFT-8)) 178 #define NRD7914PTRK 7 179 #define NRD7933HBPT (92 >> (DEV_BSHIFT-8)) 180 #define NRD7933HTRK 13 181 #define NRD9134LBPT (32 >> (DEV_BSHIFT-8)) 182 #define NRD9134LTRK 5 183 184 /* 185 * Several HP drives have an odd number of 256 byte sectors per track. 186 * This makes it rather difficult to break them into 512 and 1024 byte blocks. 187 * So...we just do like HPUX and don't bother to respect hardware track/head 188 * boundries -- we just mold the disk so that we use the entire capacity. 189 * HPUX also sometimes doen't abide by cylinder boundries, we attempt to 190 * whenever possible. 191 * 192 * DISK REAL (256 BPS) HPUX (1024 BPS) BSD (512 BPS) 193 * SPT x HD x CYL SPT x HD x CYL SPT x HD x CYL 194 * ----- --------------- --------------- -------------- 195 * 7936: 123 x 7 x 1396 25 x 7 x 1716 123 x 7 x 698 196 * 7937: 123 x 13 x 1396 25 x 16 x 1395 123 x 13 x 698 197 * 198 * 7957A: 63 x 5 x 1013 11 x 7 x 1036 22 x 7 x 1036 199 * 7958A: 63 x 8 x 1013 21 x 6 x 1013 36 x 7 x 1013 200 * 201 * 7957B: 63 x 4 x 1269 9 x 7 x 1269 18 x 7 x 1269 202 * 7958B: 63 x 6 x 1572 21 x 9 x 786 42 x 9 x 786 203 * 7959B: 63 x 12 x 1572 21 x 9 x 1572 42 x 9 x 1572 204 * 205 * 2200A: 113 x 8 x 1449 113 x 2 x 1449 113 x 4 x 1449 206 * 2203A: 113 x 16 x 1449 113 x 4 x 1449 113 x 8 x 1449 207 */ 208 #if DEV_BSIZE == 512 209 # define NRD7936HBPT 123 210 # define NRD7936HTRK 7 211 # define NRD7937HBPT 123 212 # define NRD7937HTRK 13 213 # define NRD7957ABPT 22 214 # define NRD7957ATRK 7 215 # define NRD7958ABPT 36 216 # define NRD7958ATRK 7 217 # define NRD7957BBPT 18 218 # define NRD7957BTRK 7 219 # define NRD7958BBPT 42 220 # define NRD7958BTRK 9 221 # define NRD7959BBPT 42 222 # define NRD7959BTRK 9 223 # define NRD2200ABPT 113 224 # define NRD2200ATRK 4 225 # define NRD2203ABPT 113 226 # define NRD2203ATRK 8 227 #endif 228 #if DEV_BSIZE == 1024 229 # define NRD7957ABPT 11 230 # define NRD7957ATRK 7 231 # define NRD7958ABPT 21 232 # define NRD7958ATRK 6 233 # define NRD7957BBPT 9 234 # define NRD7957BTRK 7 235 # define NRD7958BBPT 21 236 # define NRD7958BTRK 9 237 # define NRD7959BBPT 21 238 # define NRD7959BTRK 9 239 # define NRD2200ABPT 113 240 # define NRD2200ATRK 2 241 # define NRD2203ABPT 113 242 # define NRD2203ATRK 4 243 #endif 244 245 /* controller "unit" number */ 246 #define RDCTLR 15 247 248 /* convert 512 byte count into DEV_BSIZE count */ 249 #define RDSZ(x) ((x) >> (DEV_BSHIFT-9)) 250 251 /* convert block number into sector number and back */ 252 #define RDBTOS(x) ((x) << (DEV_BSHIFT-8)) 253 #define RDSTOB(x) ((x) >> (DEV_BSHIFT-8)) 254 255 /* extract cyl/head/sect info from three-vector address */ 256 #define RDCYL(tva) ((u_long)(tva).cu_cyhd >> 8) 257 #define RDHEAD(tva) ((tva).cu_cyhd & 0xFF) 258 #define RDSECT(tva) ((tva).cu_sect) 259 260 #define REF_MASK 0x0 261 #define FEF_MASK 0x0 262 #define AEF_MASK 0x0 263 #define IEF_MASK 0xF970 264 265 #define FEF_CU 0x4000 /* cross-unit */ 266 #define FEF_DR 0x0080 /* diagnostic result */ 267 #define FEF_IMR 0x0008 /* internal maintenance release */ 268 #define FEF_PF 0x0002 /* power fail */ 269 #define FEF_REXMT 0x0001 /* retransmit */ 270 #define AEF_UD 0x0040 /* unrecoverable data */ 271 #define IEF_RRMASK 0xe000 /* request release bits */ 272 #define IEF_MD 0x0020 /* marginal data */ 273 #define IEF_RD 0x0010 /* recoverable data */ 274 275 #define C_READ 0x00 276 #define C_RAM 0x00 /* single vector (i.e. sector number) */ 277 #define C_WRITE 0x02 278 #define C_CLEAR 0x08 279 #define C_STATUS 0x0d 280 #define C_SADDR 0x10 281 #define C_SLEN 0x18 282 #define C_SUNIT(x) (0x20 | (x)) 283 #define C_SVOL(x) (0x40 | (x)) 284 #define C_NOP 0x34 285 #define C_DESC 0x35 286 #define C_SREL 0x3b 287 #define C_SSM 0x3e 288 #define C_SRAM 0x48 289 #define C_REL 0x140 290 291 #define C_CMD 0x05 292 #define C_EXEC 0x0e 293 #define C_QSTAT 0x10 294 #define C_TCMD 0x12 295
Indexes created Mon Sep 29 21:09:56 GMT 2025