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 * %sccs.include.redist.c% 11 * 12 * from: Utah $Hdr: rdreg.h 1.2 90/10/12$ 13 * 14 * @(#)rdreg.h 7.3 (Berkeley) 02/25/91 15 */ 16 17 struct rd_iocmd { 18 char c_pad; 19 char c_unit; 20 char c_volume; 21 char c_saddr; 22 short c_hiaddr; 23 long c_addr; 24 char c_nop2; 25 char c_slen; 26 long c_len; 27 char c_cmd; 28 char c_pad2; 29 }; 30 31 struct rd_rscmd { 32 char c_unit; 33 char c_sram; 34 char c_ram; 35 char c_cmd; 36 }; 37 38 struct rd_stat { 39 char c_vu; 40 char c_pend; 41 short c_ref; 42 short c_fef; 43 short c_aef; 44 short c_ief; 45 union { 46 char cu_raw[10]; 47 struct { 48 short cu_msw; 49 long cu_lsl; 50 } cu_sva; 51 struct { 52 long cu_cyhd; 53 short cu_sect; 54 } cu_tva; 55 } c_pf; 56 }; 57 #define c_raw c_pf.cu_raw 58 #define c_blk c_pf.cu_sva.cu_lsl /* for now */ 59 #define c_tva c_pf.cu_tva 60 61 struct rd_ssmcmd { 62 char c_unit; 63 char c_cmd; 64 short c_refm; 65 short c_fefm; 66 short c_aefm; 67 short c_iefm; 68 }; 69 70 struct rd_srcmd { 71 char c_unit; 72 char c_nop; 73 char c_cmd; 74 char c_param; 75 }; 76 77 struct rd_clearcmd { 78 char c_unit; 79 char c_cmd; 80 }; 81 82 struct rd_describe { 83 u_int d_iuw:16, /* controller: installed unit word */ 84 d_cmaxxfr:16, /* controller: max transfer rate (Kb) */ 85 d_ctype:8, /* controller: controller type */ 86 d_utype:8, /* unit: unit type */ 87 d_name:24, /* unit: name (6 BCD digits) */ 88 d_sectsize:16, /* unit: # of bytes per block (sector) */ 89 d_blkbuf:8, /* unit: # of blocks which can be buffered */ 90 d_burstsize:8, /* unit: recommended burst size */ 91 d_blocktime:16, /* unit: block time (u-sec) */ 92 d_uavexfr:16, /* unit: average transfer rate (Kb) */ 93 d_retry:16, /* unit: optimal retry time (1/100-sec) */ 94 d_access:16, /* unit: access time param (1/100-sec) */ 95 d_maxint:8, /* unit: maximum interleave */ 96 d_fvbyte:8, /* unit: fixed volume byte */ 97 d_rvbyte:8, /* unit: removeable volume byte */ 98 d_maxcyl:24, /* volume: maximum cylinder */ 99 d_maxhead:8, /* volume: maximum head */ 100 d_maxsect:16, /* volume: maximum sector on track */ 101 d_maxvsecth:16, /* volume: maximum sector on volume (MSW) */ 102 d_maxvsectl:32, /* volume: maximum sector on volume (LSWs) */ 103 d_interleave:8; /* volume: current interleave */ 104 }; 105 106 /* indicies into rdinfo -- order is arbitrary */ 107 #define RD7945A 0 108 #define RD9134D 1 109 #define RD9122S 2 110 #define RD7912P 3 111 #define RD7914P 4 112 #define RD7958A 5 113 #define RD7957A 6 114 #define RD7933H 7 115 #define RD9134L 8 116 #define RD7936H 9 117 #define RD7937H 10 118 #define RD7914CT 11 119 #define RD7946A 12 120 #define RD9122D 13 121 #define RD7957B 14 122 #define RD7958B 15 123 #define RD7959B 16 124 125 /* HW ids */ 126 #define RD7946AID 0x220 /* also 7945A */ 127 #define RD9134DID 0x221 /* also 9122S */ 128 #define RD9134LID 0x222 /* also 9122D */ 129 #define RD7912PID 0x209 130 #define RD7914CTID 0x20A 131 #define RD7914PID 0x20B 132 #define RD7958AID 0x22B 133 #define RD7957AID 0x22A 134 #define RD7933HID 0x212 135 #define RD7936HID 0x213 /* just guessing -- as of yet unknown */ 136 #define RD7937HID 0x214 137 #define RD7957BID 0x22C /* another guess based on 7958B */ 138 #define RD7958BID 0x22D 139 #define RD7959BID 0x22E /* another guess based on 7958B */ 140 #define RD2200AID 0x22F 141 #define RD2203AID 0x230 /* yet another guess */ 142 143 #define NRD7945ABPT (32 >> (DEV_BSHIFT-8)) 144 #define NRD7945ATRK 7 145 #define NRD9134DBPT (32 >> (DEV_BSHIFT-8)) 146 #define NRD9134DTRK 6 147 #define NRD9122SBPT (16 >> (DEV_BSHIFT-8)) 148 #define NRD9122STRK 2 149 #define NRD7912PBPT (64 >> (DEV_BSHIFT-8)) 150 #define NRD7912PTRK 7 151 #define NRD7914PBPT (64 >> (DEV_BSHIFT-8)) 152 #define NRD7914PTRK 7 153 #define NRD7933HBPT (92 >> (DEV_BSHIFT-8)) 154 #define NRD7933HTRK 13 155 #define NRD9134LBPT (32 >> (DEV_BSHIFT-8)) 156 #define NRD9134LTRK 5 157 158 /* 159 * Several HP drives have an odd number of 256 byte sectors per track. 160 * This makes it rather difficult to break them into 512 and 1024 byte blocks. 161 * So...we just do like HPUX and don't bother to respect hardware track/head 162 * boundries -- we just mold the disk so that we use the entire capacity. 163 * HPUX also sometimes doen't abide by cylinder boundries, we attempt to 164 * whenever possible. 165 * 166 * DISK REAL (256 BPS) HPUX (1024 BPS) BSD (512 BPS) 167 * SPT x HD x CYL SPT x HD x CYL SPT x HD x CYL 168 * ----- --------------- --------------- -------------- 169 * 7936: 123 x 7 x 1396 25 x 7 x 1716 123 x 7 x 698 170 * 7937: 123 x 13 x 1396 25 x 16 x 1395 123 x 13 x 698 171 * 172 * 7957A: 63 x 5 x 1013 11 x 7 x 1036 22 x 7 x 1036 173 * 7958A: 63 x 8 x 1013 21 x 6 x 1013 36 x 7 x 1013 174 * 175 * 7957B: 63 x 4 x 1269 9 x 7 x 1269 18 x 7 x 1269 176 * 7958B: 63 x 6 x 1572 21 x 9 x 786 42 x 9 x 786 177 * 7959B: 63 x 12 x 1572 21 x 9 x 1572 42 x 9 x 1572 178 * 179 * 2200A: 113 x 8 x 1449 113 x 2 x 1449 113 x 4 x 1449 180 * 2203A: 113 x 16 x 1449 113 x 4 x 1449 113 x 8 x 1449 181 */ 182 #if DEV_BSIZE == 512 183 # define NRD7936HBPT 123 184 # define NRD7936HTRK 7 185 # define NRD7937HBPT 123 186 # define NRD7937HTRK 13 187 # define NRD7957ABPT 22 188 # define NRD7957ATRK 7 189 # define NRD7958ABPT 36 190 # define NRD7958ATRK 7 191 # define NRD7957BBPT 18 192 # define NRD7957BTRK 7 193 # define NRD7958BBPT 42 194 # define NRD7958BTRK 9 195 # define NRD7959BBPT 42 196 # define NRD7959BTRK 9 197 # define NRD2200ABPT 113 198 # define NRD2200ATRK 4 199 # define NRD2203ABPT 113 200 # define NRD2203ATRK 8 201 #endif 202 #if DEV_BSIZE == 1024 203 # define NRD7957ABPT 11 204 # define NRD7957ATRK 7 205 # define NRD7958ABPT 21 206 # define NRD7958ATRK 6 207 # define NRD7957BBPT 9 208 # define NRD7957BTRK 7 209 # define NRD7958BBPT 21 210 # define NRD7958BTRK 9 211 # define NRD7959BBPT 21 212 # define NRD7959BTRK 9 213 # define NRD2200ABPT 113 214 # define NRD2200ATRK 2 215 # define NRD2203ABPT 113 216 # define NRD2203ATRK 4 217 #endif 218 219 /* controller "unit" number */ 220 #define RDCTLR 15 221 222 /* convert 512 byte count into DEV_BSIZE count */ 223 #define RDSZ(x) ((x) >> (DEV_BSHIFT-9)) 224 225 /* convert block number into sector number and back */ 226 #define RDBTOS(x) ((x) << (DEV_BSHIFT-8)) 227 #define RDSTOB(x) ((x) >> (DEV_BSHIFT-8)) 228 229 /* extract cyl/head/sect info from three-vector address */ 230 #define RDCYL(tva) ((u_long)(tva).cu_cyhd >> 8) 231 #define RDHEAD(tva) ((tva).cu_cyhd & 0xFF) 232 #define RDSECT(tva) ((tva).cu_sect) 233 234 #define REF_MASK 0x0 235 #define FEF_MASK 0x0 236 #define AEF_MASK 0x0 237 #define IEF_MASK 0xF970 238 239 #define FEF_CU 0x4000 /* cross-unit */ 240 #define FEF_DR 0x0080 /* diagnostic result */ 241 #define FEF_IMR 0x0008 /* internal maintenance release */ 242 #define FEF_PF 0x0002 /* power fail */ 243 #define FEF_REXMT 0x0001 /* retransmit */ 244 #define AEF_UD 0x0040 /* unrecoverable data */ 245 #define IEF_RRMASK 0xe000 /* request release bits */ 246 #define IEF_MD 0x0020 /* marginal data */ 247 #define IEF_RD 0x0010 /* recoverable data */ 248 249 #define C_READ 0x00 250 #define C_RAM 0x00 /* single vector (i.e. sector number) */ 251 #define C_WRITE 0x02 252 #define C_CLEAR 0x08 253 #define C_STATUS 0x0d 254 #define C_SADDR 0x10 255 #define C_SLEN 0x18 256 #define C_SUNIT(x) (0x20 | (x)) 257 #define C_SVOL(x) (0x40 | (x)) 258 #define C_NOP 0x34 259 #define C_DESC 0x35 260 #define C_SREL 0x3b 261 #define C_SSM 0x3e 262 #define C_SRAM 0x48 263 #define C_REL 0x140 264 265 #define C_CMD 0x05 266 #define C_EXEC 0x0e 267 #define C_QSTAT 0x10 268 #define C_TCMD 0x12 269