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 $Hdr: rd.c 1.3 90/10/12$ 13 * 14 * @(#)rd.c 7.6 (Berkeley) 02/25/91 15 */ 16 17 /* 18 * CS80/SS80 disk driver 19 */ 20 #include "rd.h" 21 #if NRD > 0 22 23 #include "sys/param.h" 24 #include "sys/systm.h" 25 #include "sys/errno.h" 26 #include "sys/dkstat.h" 27 #include "sys/disklabel.h" 28 #include "sys/buf.h" 29 #include "sys/uio.h" 30 31 #include "device.h" 32 #include "rdreg.h" 33 34 #include "vm/vm_param.h" 35 #include "vm/pmap.h" 36 #include "vm/vm_prot.h" 37 38 int rdinit(), rdstart(), rdgo(), rdintr(); 39 struct driver rddriver = { 40 rdinit, "rd", rdstart, rdgo, rdintr, 41 }; 42 43 struct rd_softc { 44 struct hp_device *sc_hd; 45 int sc_flags; 46 short sc_type; 47 short sc_punit; 48 char *sc_addr; 49 int sc_resid; 50 u_int sc_wpms; 51 struct rdinfo *sc_info; 52 struct devqueue sc_dq; 53 struct rd_iocmd sc_ioc; 54 struct rd_rscmd sc_rsc; 55 struct rd_stat sc_stat; 56 struct rd_ssmcmd sc_ssmc; 57 struct rd_srcmd sc_src; 58 struct rd_clearcmd sc_clear; 59 } rd_softc[NRD]; 60 61 /* sc_flags values */ 62 #define RDF_ALIVE 0x1 63 #define RDF_SEEK 0x2 64 #define RDF_SWAIT 0x4 65 66 struct size { 67 daddr_t nblocks; 68 int cyloff; 69 }; 70 71 #ifdef DEBUG 72 int rddebug = 0x80; 73 #define RDB_FOLLOW 0x01 74 #define RDB_STATUS 0x02 75 #define RDB_IDENT 0x04 76 #define RDB_IO 0x08 77 #define RDB_ASYNC 0x10 78 #define RDB_ERROR 0x80 79 #define RDB_DUMP 0x80000000 80 81 struct rdstats { 82 long rdretries; 83 long rdresets; 84 long rdtimeouts; 85 long rdpolltries; 86 long rdpollwaits; 87 } rdstats[NRD]; 88 89 /* error message tables */ 90 char *err_reject[] = { 91 0, 0, 92 "channel parity error", /* 0x2000 */ 93 0, 0, 94 "illegal opcode", /* 0x0400 */ 95 "module addressing", /* 0x0200 */ 96 "address bounds", /* 0x0100 */ 97 "parameter bounds", /* 0x0080 */ 98 "illegal parameter", /* 0x0040 */ 99 "message sequence", /* 0x0020 */ 100 0, 101 "message length", /* 0x0008 */ 102 0, 0, 0 103 }; 104 105 char *err_fault[] = { 106 0, 107 "cross unit", /* 0x4000 */ 108 0, 109 "controller fault", /* 0x1000 */ 110 0, 0, 111 "unit fault", /* 0x0200 */ 112 0, 113 "diagnostic result", /* 0x0080 */ 114 0, 115 "operator release request", /* 0x0020 */ 116 "diagnostic release request", /* 0x0010 */ 117 "internal maintenance release request", /* 0x0008 */ 118 0, 119 "power fail", /* 0x0002 */ 120 "retransmit" /* 0x0001 */ 121 }; 122 123 char *err_access[] = { 124 "illegal parallel operation", /* 0x8000 */ 125 "uninitialized media", /* 0x4000 */ 126 "no spares available", /* 0x2000 */ 127 "not ready", /* 0x1000 */ 128 "write protect", /* 0x0800 */ 129 "no data found", /* 0x0400 */ 130 0, 0, 131 "unrecoverable data overflow", /* 0x0080 */ 132 "unrecoverable data", /* 0x0040 */ 133 0, 134 "end of file", /* 0x0010 */ 135 "end of volume", /* 0x0008 */ 136 0, 0, 0 137 }; 138 139 char *err_info[] = { 140 "operator release request", /* 0x8000 */ 141 "diagnostic release request", /* 0x4000 */ 142 "internal maintenance release request", /* 0x2000 */ 143 "media wear", /* 0x1000 */ 144 "latency induced", /* 0x0800 */ 145 0, 0, 146 "auto sparing invoked", /* 0x0100 */ 147 0, 148 "recoverable data overflow", /* 0x0040 */ 149 "marginal data", /* 0x0020 */ 150 "recoverable data", /* 0x0010 */ 151 0, 152 "maintenance track overflow", /* 0x0004 */ 153 0, 0 154 }; 155 #endif 156 157 /* 158 * CS/80 partitions. We reserve the first cylinder for a LIF 159 * style boot directory (the 8k allowed in the BSD filesystem 160 * is just way too small). This boot area is outside of all but 161 * the C partition. This implies that you cannot use the C 162 * partition on a bootable disk since the filesystem would overlay 163 * the boot area. You must use the A partition. 164 * 165 * These maps support four basic layouts: 166 * 167 * A/B/G: This is the "traditional" setup for a bootable disk. 168 * A is the root partition, B the swap, and G a user partition. 169 * A/D/H: This is a setup for bootable systems requiring more swap 170 * (e.g. those who use HPCL). It has A as the root, D as a 171 * larger swap, and H as a smaller user partition. 172 * A/D/E/F: Similar to A/D/H with E and F breaking H into two partitions. 173 * E could be used for /usr and F for users. 174 * C: This gives a single, non-bootable, large user filesystem. 175 * Good for second drives on a machine (e.g. /usr/src). 176 */ 177 struct size rd7945A_sizes[8] = { 178 RDSZ(15904), 1, /* A=cyl 1 thru 142 */ 179 RDSZ(20160), 143, /* B=cyl 143 thru 322 */ 180 RDSZ(108416), 0, /* C=cyl 0 thru 967 */ 181 RDSZ(40320), 143, /* D=cyl 143 thru 502 */ 182 RDSZ(0), 0, /* E=<undefined> */ 183 RDSZ(0), 0, /* F=<undefined> */ 184 RDSZ(72240), 323, /* G=cyl 323 thru 967 */ 185 RDSZ(52080), 503, /* H=cyl 503 thru 967 */ 186 }, rd9134D_sizes[8] = { 187 RDSZ(15936), 1, /* A=cyl 1 thru 166 */ 188 RDSZ(13056), 167, /* B=cyl 167 thru 302 */ 189 RDSZ(29088), 0, /* C=cyl 0 thru 302 */ 190 RDSZ(0), 0, /* D=<undefined> */ 191 RDSZ(0), 0, /* E=<undefined> */ 192 RDSZ(0), 0, /* F=<undefined> */ 193 RDSZ(0), 0, /* G=<undefined> */ 194 RDSZ(0), 0, /* H=<undefined> */ 195 }, rd9122S_sizes[8] = { 196 RDSZ(0), 0, /* A=<undefined> */ 197 RDSZ(0), 0, /* B=<undefined> */ 198 RDSZ(1232), 0, /* C=cyl 0 thru 76 */ 199 RDSZ(0), 0, /* D=<undefined> */ 200 RDSZ(0), 0, /* E=<undefined> */ 201 RDSZ(0), 0, /* F=<undefined> */ 202 RDSZ(0), 0, /* G=<undefined> */ 203 RDSZ(0), 0, /* H=<undefined> */ 204 }, rd7912P_sizes[8] = { 205 RDSZ(15904), 0, /* A=cyl 1 thru 71 */ 206 RDSZ(22400), 72, /* B=cyl 72 thru 171 */ 207 RDSZ(128128), 0, /* C=cyl 0 thru 571 */ 208 RDSZ(42560), 72, /* D=cyl 72 thru 261 */ 209 RDSZ(0), 292, /* E=<undefined> */ 210 RDSZ(0), 542, /* F=<undefined> */ 211 RDSZ(89600), 172, /* G=cyl 221 thru 571 */ 212 RDSZ(69440), 262, /* H=cyl 262 thru 571 */ 213 }, rd7914P_sizes[8] = { 214 RDSZ(15904), 1, /* A=cyl 1 thru 71 */ 215 RDSZ(40320), 72, /* B=cyl 72 thru 251 */ 216 RDSZ(258048), 0, /* C=cyl 0 thru 1151 */ 217 RDSZ(64960), 72, /* D=cyl 72 thru 361 */ 218 RDSZ(98560), 362, /* E=cyl 362 thru 801 */ 219 RDSZ(78400), 802, /* F=cyl 802 thru 1151 */ 220 RDSZ(201600), 252, /* G=cyl 221 thru 1151 */ 221 RDSZ(176960), 362, /* H=cyl 362 thru 1151 */ 222 }, rd7933H_sizes[8] = { 223 RDSZ(16146), 1, /* A=cyl 1 thru 27 */ 224 RDSZ(66976), 28, /* B=cyl 28 thru 139 */ 225 RDSZ(789958), 0, /* C=cyl 0 thru 1320 */ 226 RDSZ(16146), 140, /* D=cyl 140 thru 166 */ 227 RDSZ(165646), 167, /* E=cyl 167 thru 443 */ 228 RDSZ(165646), 444, /* F=cyl 444 thru 720 */ 229 RDSZ(706238), 140, /* G=cyl 140 thru 1320 */ 230 RDSZ(358800), 721, /* H=cyl 721 thru 1320 */ 231 }, rd9134L_sizes[8] = { 232 RDSZ(15920), 1, /* A=cyl 1 thru 199 */ 233 RDSZ(20000), 200, /* B=cyl 200 thru 449 */ 234 RDSZ(77840), 0, /* C=cyl 0 thru 972 */ 235 RDSZ(32000), 200, /* D=cyl 200 thru 599 */ 236 RDSZ(0), 0, /* E=<undefined> */ 237 RDSZ(0), 0, /* F=<undefined> */ 238 RDSZ(41840), 450, /* G=cyl 450 thru 972 */ 239 RDSZ(29840), 600, /* H=cyl 600 thru 972 */ 240 }, rd7957A_sizes[8] = { 241 RDSZ(16016), 1, /* A=cyl 1 thru 104 */ 242 RDSZ(24640), 105, /* B=cyl 105 thru 264 */ 243 RDSZ(159544), 0, /* C=cyl 0 thru 1035 */ 244 RDSZ(42350), 105, /* D=cyl 105 thru 379 */ 245 RDSZ(54824), 380, /* E=cyl 380 thru 735 */ 246 RDSZ(46200), 736, /* F=cyl 736 thru 1035 */ 247 RDSZ(118734), 265, /* G=cyl 265 thru 1035 */ 248 RDSZ(101024), 380, /* H=cyl 380 thru 1035 */ 249 }, rd7958A_sizes[8] = { 250 RDSZ(16128), 1, /* A=cyl 1 thru 64 */ 251 RDSZ(32256), 65, /* B=cyl 65 thru 192 */ 252 RDSZ(255276), 0, /* C=cyl 0 thru 1012 */ 253 RDSZ(48384), 65, /* D=cyl 65 thru 256 */ 254 RDSZ(100800), 257, /* E=cyl 257 thru 656 */ 255 RDSZ(89712), 657, /* F=cyl 657 thru 1012 */ 256 RDSZ(206640), 193, /* G=cyl 193 thru 1012 */ 257 RDSZ(190512), 257, /* H=cyl 257 thru 1012 */ 258 }, rd7957B_sizes[8] = { 259 RDSZ(16002), 1, /* A=cyl 1 thru 127 */ 260 RDSZ(32760), 128, /* B=cyl 128 thru 387 */ 261 RDSZ(159894), 0, /* C=cyl 0 thru 1268 */ 262 RDSZ(49140), 128, /* D=cyl 128 thru 517 */ 263 RDSZ(50400), 518, /* E=cyl 518 thru 917 */ 264 RDSZ(44226), 918, /* F=cyl 918 thru 1268 */ 265 RDSZ(111006), 388, /* G=cyl 388 thru 1268 */ 266 RDSZ(94626), 518, /* H=cyl 518 thru 1268 */ 267 }, rd7958B_sizes[8] = { 268 RDSZ(16254), 1, /* A=cyl 1 thru 43 */ 269 RDSZ(32886), 44, /* B=cyl 44 thru 130 */ 270 RDSZ(297108), 0, /* C=cyl 0 thru 785 */ 271 RDSZ(49140), 44, /* D=cyl 44 thru 173 */ 272 RDSZ(121716), 174, /* E=cyl 174 thru 495 */ 273 RDSZ(109620), 496, /* F=cyl 496 thru 785 */ 274 RDSZ(247590), 131, /* G=cyl 131 thru 785 */ 275 RDSZ(231336), 174, /* H=cyl 174 thru 785 */ 276 }, rd7959B_sizes[8] = { 277 RDSZ(16254), 1, /* A=cyl 1 thru 43 */ 278 RDSZ(49140), 44, /* B=cyl 44 thru 173 */ 279 RDSZ(594216), 0, /* C=cyl 0 thru 1571 */ 280 RDSZ(65772), 44, /* D=cyl 44 thru 217 */ 281 RDSZ(303912), 218, /* E=cyl 218 thru 1021 */ 282 RDSZ(207900), 1022, /* F=cyl 1022 thru 1571 */ 283 RDSZ(528444), 174, /* G=cyl 174 thru 1571 */ 284 RDSZ(511812), 218, /* H=cyl 218 thru 1571 */ 285 }, rd2200A_sizes[8] = { 286 RDSZ(16272), 1, /* A=cyl 1 thru 36 */ 287 RDSZ(49720), 37, /* B=cyl 37 thru 146 */ 288 RDSZ(654948), 0, /* C=cyl 0 thru 1448 */ 289 RDSZ(65992), 37, /* D=cyl 37 thru 182 */ 290 RDSZ(304648), 183, /* E=cyl 183 thru 856 */ 291 RDSZ(267584), 857, /* F=cyl 857 thru 1448 */ 292 RDSZ(588504), 147, /* G=cyl 147 thru 1448 */ 293 RDSZ(572232), 183, /* H=cyl 183 thru 1448 */ 294 }, rd2203A_sizes[8] = { 295 /* modelled after the 7937; i.e. bogus */ 296 RDSZ(16272), 1, /* A=cyl 1 thru 18 */ 297 RDSZ(67800), 19, /* B=cyl 19 thru 93 */ 298 RDSZ(1309896), 0, /* C=cyl 0 thru 1448 */ 299 RDSZ(16272), 94, /* D=cyl 19 thru 111 */ 300 RDSZ(305552), 112, /* E=cyl 112 thru 449 */ 301 RDSZ(305552), 450, /* F=cyl 450 thru 787 */ 302 RDSZ(1224920), 94, /* G=cyl 94 thru 1448 */ 303 RDSZ(597544), 788, /* H=cyl 788 thru 1448 */ 304 305 #if DEV_BSIZE == 512 306 /* 307 * These values would not work for 1k, 308 * since the number of cylinders would be different. 309 */ 310 }, rd7936H_sizes[8] = { 311 RDSZ(16359), 1, /* A=cyl 1 thru 19 */ 312 RDSZ(67158), 20, /* B=cyl 20 thru 97 */ 313 RDSZ(600978), 0, /* C=cyl 0 thru 697 */ 314 RDSZ(16359), 98, /* D=cyl 98 thru 116 */ 315 RDSZ(120540), 117, /* E=cyl 117 thru 256 */ 316 RDSZ(120540), 256, /* F=cyl 256 thru 396 */ 317 RDSZ(516600), 98, /* G=cyl 98 thru 697 */ 318 RDSZ(259161), 397, /* H=cyl 397 thru 697 */ 319 }, rd7937H_sizes[8] = { 320 #ifdef UTAH 321 RDSZ(15990), 1, /* A=cyl 1 thru 10 */ 322 RDSZ(67158), 11, /* B=cyl 11 thru 52 */ 323 RDSZ(1116102), 0, /* C=cyl 0 thru 697 */ 324 RDSZ(124722), 53, /* D=cyl 53 thru 130 */ 325 RDSZ(163098), 131, /* E=cyl 131 thru 232 */ 326 RDSZ(287820), 233, /* F=cyl 233 thru 412 */ 327 RDSZ(1031355), 53, /* G=cyl 53 thru 697 */ 328 RDSZ(455715), 413, /* H=cyl 413 thru 697 */ 329 #else 330 RDSZ(15990), 1, /* A=cyl 1 thru 10 */ 331 RDSZ(67158), 11, /* B=cyl 11 thru 52 */ 332 RDSZ(1116102), 0, /* C=cyl 0 thru 697 */ 333 RDSZ(15990), 53, /* D=cyl 53 thru 62 */ 334 RDSZ(246246), 63, /* E=cyl 63 thru 216 */ 335 RDSZ(246246), 217, /* F=cyl 217 thru 370 */ 336 RDSZ(1031355), 53, /* G=cyl 53 thru 697 */ 337 RDSZ(522873), 371, /* H=cyl 371 thru 697 */ 338 #endif 339 #endif 340 }; 341 342 struct rdinfo { 343 int nbpt; /* DEV_BSIZE blocks per track */ 344 int ntpc; /* tracks per cylinder */ 345 int nbpc; /* blocks per cylinder */ 346 struct size *sizes; /* default partition info (if no disklabel) */ 347 short hwid; /* 2 byte HW id */ 348 short maxunum; /* maximum allowed unit number */ 349 char *desc; /* drive type description */ 350 }; 351 352 struct rdinfo rdinfo[] = { 353 NRD7945ABPT, NRD7945ATRK, NRD7945ABPT * NRD7945ATRK, 354 rd7945A_sizes, RD7946AID, 0, "7945A", 355 NRD9134DBPT, NRD9134DTRK, NRD9134DBPT * NRD9134DTRK, 356 rd9134D_sizes, RD9134DID, 1, "9134D", 357 NRD9122SBPT, NRD9122STRK, NRD9122SBPT * NRD9122STRK, 358 rd9122S_sizes, RD9134LID, 1, "9122S", 359 NRD7912PBPT, NRD7912PTRK, NRD7912PBPT * NRD7912PTRK, 360 rd7912P_sizes, RD7912PID, 0, "7912P", 361 NRD7914PBPT, NRD7914PTRK, NRD7914PBPT * NRD7914PTRK, 362 rd7914P_sizes, RD7914PID, 0, "7914P", 363 NRD7958ABPT, NRD7958ATRK, NRD7958ABPT * NRD7958ATRK, 364 rd7958A_sizes, RD7958AID, 0, "7958A", 365 NRD7957ABPT, NRD7957ATRK, NRD7957ABPT * NRD7957ATRK, 366 rd7957A_sizes, RD7957AID, 0, "7957A", 367 NRD7933HBPT, NRD7933HTRK, NRD7933HBPT * NRD7933HTRK, 368 rd7933H_sizes, RD7933HID, 0, "7933H", 369 NRD9134LBPT, NRD9134LTRK, NRD9134LBPT * NRD9134LTRK, 370 rd9134L_sizes, RD9134LID, 1, "9134L", 371 NRD7936HBPT, NRD7936HTRK, NRD7936HBPT * NRD7936HTRK, 372 rd7936H_sizes, RD7936HID, 0, "7936H", 373 NRD7937HBPT, NRD7937HTRK, NRD7937HBPT * NRD7937HTRK, 374 rd7937H_sizes, RD7937HID, 0, "7937H", 375 NRD7914PBPT, NRD7914PTRK, NRD7914PBPT * NRD7914PTRK, 376 rd7914P_sizes, RD7914CTID, 0, "7914CT", 377 NRD7945ABPT, NRD7945ATRK, NRD7945ABPT * NRD7945ATRK, 378 rd7945A_sizes, RD7946AID, 0, "7946A", 379 NRD9122SBPT, NRD9122STRK, NRD9122SBPT * NRD9122STRK, 380 rd9122S_sizes, RD9134LID, 1, "9122D", 381 NRD7957BBPT, NRD7957BTRK, NRD7957BBPT * NRD7957BTRK, 382 rd7957B_sizes, RD7957BID, 0, "7957B", 383 NRD7958BBPT, NRD7958BTRK, NRD7958BBPT * NRD7958BTRK, 384 rd7958B_sizes, RD7958BID, 0, "7958B", 385 NRD7959BBPT, NRD7959BTRK, NRD7959BBPT * NRD7959BTRK, 386 rd7959B_sizes, RD7959BID, 0, "7959B", 387 NRD2200ABPT, NRD2200ATRK, NRD2200ABPT * NRD2200ATRK, 388 rd2200A_sizes, RD2200AID, 0, "2200A", 389 NRD2203ABPT, NRD2203ATRK, NRD2203ABPT * NRD2203ATRK, 390 rd2203A_sizes, RD2203AID, 0, "2203A", 391 }; 392 int nrdinfo = sizeof(rdinfo) / sizeof(rdinfo[0]); 393 394 struct buf rdtab[NRD]; 395 struct buf rdbuf[NRD]; 396 397 #define rdunit(x) ((minor(x) >> 3) & 0xf) 398 #define rdpart(x) (minor(x) & 0x7) 399 #define rdpunit(x) ((x) & 7) 400 #define b_cylin b_resid 401 #define RDRETRY 5 402 #define RDWAITC 1 /* min time for timeout in seconds */ 403 404 int rderrthresh = RDRETRY-1; /* when to start reporting errors */ 405 406 rdinit(hd) 407 register struct hp_device *hd; 408 { 409 register struct rd_softc *rs = &rd_softc[hd->hp_unit]; 410 411 rs->sc_hd = hd; 412 rs->sc_punit = rdpunit(hd->hp_flags); 413 rs->sc_type = rdident(rs, hd); 414 if (rs->sc_type < 0) 415 return(0); 416 rs->sc_dq.dq_ctlr = hd->hp_ctlr; 417 rs->sc_dq.dq_unit = hd->hp_unit; 418 rs->sc_dq.dq_slave = hd->hp_slave; 419 rs->sc_dq.dq_driver = &rddriver; 420 rs->sc_info = &rdinfo[rs->sc_type]; 421 rs->sc_flags = RDF_ALIVE; 422 #ifdef DEBUG 423 /* always report errors */ 424 if (rddebug & RDB_ERROR) 425 rderrthresh = 0; 426 #endif 427 return(1); 428 } 429 430 rdident(rs, hd) 431 struct rd_softc *rs; 432 struct hp_device *hd; 433 { 434 struct rd_describe desc; 435 u_char stat, cmd[3]; 436 int unit, lunit; 437 char name[7]; 438 register int ctlr, slave, id, i; 439 440 ctlr = hd->hp_ctlr; 441 slave = hd->hp_slave; 442 unit = rs->sc_punit; 443 lunit = hd->hp_unit; 444 445 /* 446 * Grab device id and make sure: 447 * 1. It is a CS80 device. 448 * 2. It is one of the types we support. 449 * 3. If it is a 7946, we are accessing the disk unit (0) 450 */ 451 id = hpibid(ctlr, slave); 452 #ifdef DEBUG 453 if (rddebug & RDB_IDENT) 454 printf("hpibid(%d, %d) -> %x\n", ctlr, slave, id); 455 #endif 456 if ((id & 0x200) == 0) 457 return(-1); 458 for (i = 0; i < nrdinfo; i++) 459 if (id == rdinfo[i].hwid) 460 break; 461 if (i == nrdinfo || unit > rdinfo[i].maxunum) 462 return(-1); 463 id = i; 464 465 /* 466 * Reset drive and collect device description. 467 * Don't really use the description info right now but 468 * might come in handy in the future (for disk labels). 469 */ 470 rdreset(rs, hd); 471 cmd[0] = C_SUNIT(unit); 472 cmd[1] = C_SVOL(0); 473 cmd[2] = C_DESC; 474 hpibsend(ctlr, slave, C_CMD, cmd, sizeof(cmd)); 475 hpibrecv(ctlr, slave, C_EXEC, &desc, 37); 476 hpibrecv(ctlr, slave, C_QSTAT, &stat, sizeof(stat)); 477 bzero(name, sizeof(name)); 478 if (!stat) { 479 register int n = desc.d_name; 480 for (i = 5; i >= 0; i--) { 481 name[i] = (n & 0xf) + '0'; 482 n >>= 4; 483 } 484 /* use drive characteristics to calculate xfer rate */ 485 rs->sc_wpms = 1000000 * (desc.d_sectsize/2) / desc.d_blocktime; 486 } 487 #ifdef DEBUG 488 if (rddebug & RDB_IDENT) { 489 printf("rd%d: name: %x ('%s')\n", 490 lunit, desc.d_name, name); 491 printf(" iuw %x, maxxfr %d, ctype %d\n", 492 desc.d_iuw, desc.d_cmaxxfr, desc.d_ctype); 493 printf(" utype %d, bps %d, blkbuf %d, burst %d, blktime %d\n", 494 desc.d_utype, desc.d_sectsize, 495 desc.d_blkbuf, desc.d_burstsize, desc.d_blocktime); 496 printf(" avxfr %d, ort %d, atp %d, maxint %d, fv %x, rv %x\n", 497 desc.d_uavexfr, desc.d_retry, desc.d_access, 498 desc.d_maxint, desc.d_fvbyte, desc.d_rvbyte); 499 printf(" maxcyl/head/sect %d/%d/%d, maxvsect %d, inter %d\n", 500 desc.d_maxcyl, desc.d_maxhead, desc.d_maxsect, 501 desc.d_maxvsectl, desc.d_interleave); 502 } 503 #endif 504 /* 505 * Take care of a couple of anomolies: 506 * 1. 7945A and 7946A both return same HW id 507 * 2. 9122S and 9134D both return same HW id 508 * 3. 9122D and 9134L both return same HW id 509 */ 510 switch (rdinfo[id].hwid) { 511 case RD7946AID: 512 if (bcmp(name, "079450", 6) == 0) 513 id = RD7945A; 514 else 515 id = RD7946A; 516 break; 517 518 case RD9134LID: 519 if (bcmp(name, "091340", 6) == 0) 520 id = RD9134L; 521 else 522 id = RD9122D; 523 break; 524 525 case RD9134DID: 526 if (bcmp(name, "091220", 6) == 0) 527 id = RD9122S; 528 else 529 id = RD9134D; 530 break; 531 } 532 printf("rd%d: %s\n", lunit, rdinfo[id].desc); 533 return(id); 534 } 535 536 rdreset(rs, hd) 537 register struct rd_softc *rs; 538 register struct hp_device *hd; 539 { 540 u_char stat; 541 542 rs->sc_clear.c_unit = C_SUNIT(rs->sc_punit); 543 rs->sc_clear.c_cmd = C_CLEAR; 544 hpibsend(hd->hp_ctlr, hd->hp_slave, C_TCMD, &rs->sc_clear, 545 sizeof(rs->sc_clear)); 546 hpibswait(hd->hp_ctlr, hd->hp_slave); 547 hpibrecv(hd->hp_ctlr, hd->hp_slave, C_QSTAT, &stat, sizeof(stat)); 548 rs->sc_src.c_unit = C_SUNIT(RDCTLR); 549 rs->sc_src.c_nop = C_NOP; 550 rs->sc_src.c_cmd = C_SREL; 551 rs->sc_src.c_param = C_REL; 552 hpibsend(hd->hp_ctlr, hd->hp_slave, C_CMD, &rs->sc_src, 553 sizeof(rs->sc_src)); 554 hpibswait(hd->hp_ctlr, hd->hp_slave); 555 hpibrecv(hd->hp_ctlr, hd->hp_slave, C_QSTAT, &stat, sizeof(stat)); 556 rs->sc_ssmc.c_unit = C_SUNIT(rs->sc_punit); 557 rs->sc_ssmc.c_cmd = C_SSM; 558 rs->sc_ssmc.c_refm = REF_MASK; 559 rs->sc_ssmc.c_fefm = FEF_MASK; 560 rs->sc_ssmc.c_aefm = AEF_MASK; 561 rs->sc_ssmc.c_iefm = IEF_MASK; 562 hpibsend(hd->hp_ctlr, hd->hp_slave, C_CMD, &rs->sc_ssmc, 563 sizeof(rs->sc_ssmc)); 564 hpibswait(hd->hp_ctlr, hd->hp_slave); 565 hpibrecv(hd->hp_ctlr, hd->hp_slave, C_QSTAT, &stat, sizeof(stat)); 566 #ifdef DEBUG 567 rdstats[hd->hp_unit].rdresets++; 568 #endif 569 } 570 571 /*ARGSUSED*/ 572 rdopen(dev, flags) 573 dev_t dev; 574 { 575 register int unit = rdunit(dev); 576 register struct rd_softc *rs = &rd_softc[unit]; 577 578 if (unit >= NRD || (rs->sc_flags & RDF_ALIVE) == 0) 579 return(ENXIO); 580 if (rs->sc_hd->hp_dk >= 0) { 581 /* guess at xfer rate based on 3600 rpm (60 rps) */ 582 if (rs->sc_wpms == 0) 583 rs->sc_wpms = 60 * rs->sc_info->nbpt * DEV_BSIZE / 2; 584 dk_wpms[rs->sc_hd->hp_dk] = rs->sc_wpms; 585 } 586 return(0); 587 } 588 589 rdstrategy(bp) 590 register struct buf *bp; 591 { 592 register int unit = rdunit(bp->b_dev); 593 register struct rd_softc *rs = &rd_softc[unit]; 594 register struct size *pinfo = &rs->sc_info->sizes[rdpart(bp->b_dev)]; 595 register struct buf *dp = &rdtab[unit]; 596 register daddr_t bn; 597 register int sz, s; 598 599 #ifdef DEBUG 600 if (rddebug & RDB_FOLLOW) 601 printf("rdstrategy(%x): dev %x, bn %x, bcount %x, %c\n", 602 bp, bp->b_dev, bp->b_blkno, bp->b_bcount, 603 (bp->b_flags & B_READ) ? 'R' : 'W'); 604 #endif 605 bn = bp->b_blkno; 606 sz = howmany(bp->b_bcount, DEV_BSIZE); 607 if (bn < 0 || bn + sz > pinfo->nblocks) { 608 sz = pinfo->nblocks - bn; 609 if (sz == 0) { 610 bp->b_resid = bp->b_bcount; 611 goto done; 612 } 613 if (sz < 0) { 614 bp->b_error = EINVAL; 615 bp->b_flags |= B_ERROR; 616 goto done; 617 } 618 bp->b_bcount = dbtob(sz); 619 } 620 bp->b_cylin = bn / rs->sc_info->nbpc + pinfo->cyloff; 621 s = splbio(); 622 disksort(dp, bp); 623 if (dp->b_active == 0) { 624 dp->b_active = 1; 625 rdustart(unit); 626 } 627 splx(s); 628 return; 629 done: 630 biodone(bp); 631 } 632 633 /* 634 * Called from timeout() when handling maintenance releases 635 */ 636 rdrestart(unit) 637 int unit; 638 { 639 int s = splbio(); 640 rdustart(unit); 641 splx(s); 642 } 643 644 rdustart(unit) 645 register int unit; 646 { 647 register struct buf *bp; 648 register struct rd_softc *rs = &rd_softc[unit]; 649 650 bp = rdtab[unit].b_actf; 651 rs->sc_addr = bp->b_un.b_addr; 652 rs->sc_resid = bp->b_bcount; 653 if (hpibreq(&rs->sc_dq)) 654 rdstart(unit); 655 } 656 657 rdstart(unit) 658 register int unit; 659 { 660 register struct rd_softc *rs = &rd_softc[unit]; 661 register struct buf *bp = rdtab[unit].b_actf; 662 register struct hp_device *hp = rs->sc_hd; 663 register int part; 664 665 again: 666 #ifdef DEBUG 667 if (rddebug & RDB_FOLLOW) 668 printf("rdstart(%d): bp %x, %c\n", unit, bp, 669 (bp->b_flags & B_READ) ? 'R' : 'W'); 670 #endif 671 part = rdpart(bp->b_dev); 672 rs->sc_flags |= RDF_SEEK; 673 rs->sc_ioc.c_unit = C_SUNIT(rs->sc_punit); 674 rs->sc_ioc.c_volume = C_SVOL(0); 675 rs->sc_ioc.c_saddr = C_SADDR; 676 rs->sc_ioc.c_hiaddr = 0; 677 rs->sc_ioc.c_addr = RDBTOS(bp->b_blkno + rs->sc_info->nbpc * 678 rs->sc_info->sizes[part].cyloff); 679 rs->sc_ioc.c_nop2 = C_NOP; 680 rs->sc_ioc.c_slen = C_SLEN; 681 rs->sc_ioc.c_len = rs->sc_resid; 682 rs->sc_ioc.c_cmd = bp->b_flags & B_READ ? C_READ : C_WRITE; 683 #ifdef DEBUG 684 if (rddebug & RDB_IO) 685 printf("rdstart: hpibsend(%x, %x, %x, %x, %x)\n", 686 hp->hp_ctlr, hp->hp_slave, C_CMD, 687 &rs->sc_ioc.c_unit, sizeof(rs->sc_ioc)-2); 688 #endif 689 if (hpibsend(hp->hp_ctlr, hp->hp_slave, C_CMD, &rs->sc_ioc.c_unit, 690 sizeof(rs->sc_ioc)-2) == sizeof(rs->sc_ioc)-2) { 691 if (hp->hp_dk >= 0) { 692 dk_busy |= 1 << hp->hp_dk; 693 dk_seek[hp->hp_dk]++; 694 } 695 #ifdef DEBUG 696 if (rddebug & RDB_IO) 697 printf("rdstart: hpibawait(%x)\n", hp->hp_ctlr); 698 #endif 699 hpibawait(hp->hp_ctlr); 700 return; 701 } 702 /* 703 * Experience has shown that the hpibwait in this hpibsend will 704 * occasionally timeout. It appears to occur mostly on old 7914 705 * drives with full maintenance tracks. We should probably 706 * integrate this with the backoff code in rderror. 707 */ 708 #ifdef DEBUG 709 if (rddebug & RDB_ERROR) 710 printf("rd%d: rdstart: cmd %x adr %d blk %d len %d ecnt %d\n", 711 unit, rs->sc_ioc.c_cmd, rs->sc_ioc.c_addr, 712 bp->b_blkno, rs->sc_resid, rdtab[unit].b_errcnt); 713 rdstats[unit].rdretries++; 714 #endif 715 rs->sc_flags &= ~RDF_SEEK; 716 rdreset(rs, hp); 717 if (rdtab[unit].b_errcnt++ < RDRETRY) 718 goto again; 719 printf("rd%d: rdstart err: cmd 0x%x sect %d blk %d len %d\n", 720 unit, rs->sc_ioc.c_cmd, rs->sc_ioc.c_addr, 721 bp->b_blkno, rs->sc_resid); 722 rdtab[unit].b_errcnt = 0; 723 rdtab[unit].b_actf = bp->b_actf; 724 bp->b_flags |= B_ERROR; 725 bp->b_error = EIO; 726 bp->b_resid = 0; 727 biodone(bp); 728 hpibfree(&rs->sc_dq); 729 bp = rdtab[unit].b_actf; 730 if (bp == NULL) { 731 rdtab[unit].b_active = 0; 732 return; 733 } 734 rs->sc_addr = bp->b_un.b_addr; 735 rs->sc_resid = bp->b_bcount; 736 if (hpibreq(&rs->sc_dq)) 737 goto again; 738 } 739 740 rdgo(unit) 741 register int unit; 742 { 743 register struct rd_softc *rs = &rd_softc[unit]; 744 register struct hp_device *hp = rs->sc_hd; 745 struct buf *bp = rdtab[unit].b_actf; 746 747 if (hp->hp_dk >= 0) { 748 dk_busy |= 1 << hp->hp_dk; 749 dk_xfer[hp->hp_dk]++; 750 dk_wds[hp->hp_dk] += rs->sc_resid >> 6; 751 } 752 hpibgo(hp->hp_ctlr, hp->hp_slave, C_EXEC, 753 rs->sc_addr, rs->sc_resid, bp->b_flags & B_READ); 754 } 755 756 rdintr(unit) 757 register int unit; 758 { 759 register struct rd_softc *rs = &rd_softc[unit]; 760 register struct buf *bp = rdtab[unit].b_actf; 761 register struct hp_device *hp = rs->sc_hd; 762 u_char stat = 13; /* in case hpibrecv fails */ 763 int rv, restart; 764 765 #ifdef DEBUG 766 if (rddebug & RDB_FOLLOW) 767 printf("rdintr(%d): bp %x, %c, flags %x\n", unit, bp, 768 (bp->b_flags & B_READ) ? 'R' : 'W', rs->sc_flags); 769 if (bp == NULL) { 770 printf("rd%d: bp == NULL\n", unit); 771 return; 772 } 773 #endif 774 if (hp->hp_dk >= 0) 775 dk_busy &= ~(1 << hp->hp_dk); 776 if (rs->sc_flags & RDF_SEEK) { 777 rs->sc_flags &= ~RDF_SEEK; 778 if (hpibustart(hp->hp_ctlr)) 779 rdgo(unit); 780 return; 781 } 782 if ((rs->sc_flags & RDF_SWAIT) == 0) { 783 #ifdef DEBUG 784 rdstats[unit].rdpolltries++; 785 #endif 786 if (hpibpptest(hp->hp_ctlr, hp->hp_slave) == 0) { 787 #ifdef DEBUG 788 rdstats[unit].rdpollwaits++; 789 #endif 790 if (hp->hp_dk >= 0) 791 dk_busy |= 1 << hp->hp_dk; 792 rs->sc_flags |= RDF_SWAIT; 793 hpibawait(hp->hp_ctlr); 794 return; 795 } 796 } else 797 rs->sc_flags &= ~RDF_SWAIT; 798 rv = hpibrecv(hp->hp_ctlr, hp->hp_slave, C_QSTAT, &stat, 1); 799 if (rv != 1 || stat) { 800 #ifdef DEBUG 801 if (rddebug & RDB_ERROR) 802 printf("rdintr: recv failed or bad stat %d\n", stat); 803 #endif 804 restart = rderror(unit); 805 #ifdef DEBUG 806 rdstats[unit].rdretries++; 807 #endif 808 if (rdtab[unit].b_errcnt++ < RDRETRY) { 809 if (restart) 810 rdstart(unit); 811 return; 812 } 813 bp->b_flags |= B_ERROR; 814 bp->b_error = EIO; 815 } 816 rdtab[unit].b_errcnt = 0; 817 rdtab[unit].b_actf = bp->b_actf; 818 bp->b_resid = 0; 819 biodone(bp); 820 hpibfree(&rs->sc_dq); 821 if (rdtab[unit].b_actf) 822 rdustart(unit); 823 else 824 rdtab[unit].b_active = 0; 825 } 826 827 rdstatus(rs) 828 register struct rd_softc *rs; 829 { 830 register int c, s; 831 u_char stat; 832 int rv; 833 834 c = rs->sc_hd->hp_ctlr; 835 s = rs->sc_hd->hp_slave; 836 rs->sc_rsc.c_unit = C_SUNIT(rs->sc_punit); 837 rs->sc_rsc.c_sram = C_SRAM; 838 rs->sc_rsc.c_ram = C_RAM; 839 rs->sc_rsc.c_cmd = C_STATUS; 840 bzero((caddr_t)&rs->sc_stat, sizeof(rs->sc_stat)); 841 rv = hpibsend(c, s, C_CMD, &rs->sc_rsc, sizeof(rs->sc_rsc)); 842 if (rv != sizeof(rs->sc_rsc)) { 843 #ifdef DEBUG 844 if (rddebug & RDB_STATUS) 845 printf("rdstatus: send C_CMD failed %d != %d\n", 846 rv, sizeof(rs->sc_rsc)); 847 #endif 848 return(1); 849 } 850 rv = hpibrecv(c, s, C_EXEC, &rs->sc_stat, sizeof(rs->sc_stat)); 851 if (rv != sizeof(rs->sc_stat)) { 852 #ifdef DEBUG 853 if (rddebug & RDB_STATUS) 854 printf("rdstatus: send C_EXEC failed %d != %d\n", 855 rv, sizeof(rs->sc_stat)); 856 #endif 857 return(1); 858 } 859 rv = hpibrecv(c, s, C_QSTAT, &stat, 1); 860 if (rv != 1 || stat) { 861 #ifdef DEBUG 862 if (rddebug & RDB_STATUS) 863 printf("rdstatus: recv failed %d or bad stat %d\n", 864 rv, stat); 865 #endif 866 return(1); 867 } 868 return(0); 869 } 870 871 /* 872 * Deal with errors. 873 * Returns 1 if request should be restarted, 874 * 0 if we should just quietly give up. 875 */ 876 rderror(unit) 877 int unit; 878 { 879 struct rd_softc *rs = &rd_softc[unit]; 880 register struct rd_stat *sp; 881 struct buf *bp; 882 daddr_t hwbn, pbn; 883 884 if (rdstatus(rs)) { 885 #ifdef DEBUG 886 printf("rd%d: couldn't get status\n", unit); 887 #endif 888 rdreset(rs, rs->sc_hd); 889 return(1); 890 } 891 sp = &rs->sc_stat; 892 if (sp->c_fef & FEF_REXMT) 893 return(1); 894 if (sp->c_fef & FEF_PF) { 895 rdreset(rs, rs->sc_hd); 896 return(1); 897 } 898 /* 899 * Unit requests release for internal maintenance. 900 * We just delay awhile and try again later. Use expontially 901 * increasing backoff ala ethernet drivers since we don't really 902 * know how long the maintenance will take. With RDWAITC and 903 * RDRETRY as defined, the range is 1 to 32 seconds. 904 */ 905 if (sp->c_fef & FEF_IMR) { 906 extern int hz; 907 int rdtimo = RDWAITC << rdtab[unit].b_errcnt; 908 #ifdef DEBUG 909 printf("rd%d: internal maintenance, %d second timeout\n", 910 unit, rdtimo); 911 rdstats[unit].rdtimeouts++; 912 #endif 913 hpibfree(&rs->sc_dq); 914 timeout(rdrestart, unit, rdtimo*hz); 915 return(0); 916 } 917 /* 918 * Only report error if we have reached the error reporting 919 * threshhold. By default, this will only report after the 920 * retry limit has been exceeded. 921 */ 922 if (rdtab[unit].b_errcnt < rderrthresh) 923 return(1); 924 925 /* 926 * First conjure up the block number at which the error occured. 927 * Note that not all errors report a block number, in that case 928 * we just use b_blkno. 929 */ 930 bp = rdtab[unit].b_actf; 931 pbn = rs->sc_info->nbpc * 932 rs->sc_info->sizes[rdpart(bp->b_dev)].cyloff; 933 if ((sp->c_fef & FEF_CU) || (sp->c_fef & FEF_DR) || 934 (sp->c_ief & IEF_RRMASK)) { 935 hwbn = RDBTOS(pbn + bp->b_blkno); 936 pbn = bp->b_blkno; 937 } else { 938 hwbn = sp->c_blk; 939 pbn = RDSTOB(hwbn) - pbn; 940 } 941 /* 942 * Now output a generic message suitable for badsect. 943 * Note that we don't use harderr cuz it just prints 944 * out b_blkno which is just the beginning block number 945 * of the transfer, not necessary where the error occured. 946 */ 947 printf("rd%d%c: hard error sn%d\n", 948 rdunit(bp->b_dev), 'a'+rdpart(bp->b_dev), pbn); 949 /* 950 * Now report the status as returned by the hardware with 951 * attempt at interpretation (unless debugging). 952 */ 953 printf("rd%d %s error:", 954 unit, (bp->b_flags & B_READ) ? "read" : "write"); 955 #ifdef DEBUG 956 if (rddebug & RDB_ERROR) { 957 /* status info */ 958 printf("\n volume: %d, unit: %d\n", 959 (sp->c_vu>>4)&0xF, sp->c_vu&0xF); 960 rdprinterr("reject", sp->c_ref, err_reject); 961 rdprinterr("fault", sp->c_fef, err_fault); 962 rdprinterr("access", sp->c_aef, err_access); 963 rdprinterr("info", sp->c_ief, err_info); 964 printf(" block: %d, P1-P10: ", hwbn); 965 printf("%s", hexstr(*(u_int *)&sp->c_raw[0], 8)); 966 printf("%s", hexstr(*(u_int *)&sp->c_raw[4], 8)); 967 printf("%s\n", hexstr(*(u_short *)&sp->c_raw[8], 4)); 968 /* command */ 969 printf(" ioc: "); 970 printf("%s", hexstr(*(u_int *)&rs->sc_ioc.c_pad, 8)); 971 printf("%s", hexstr(*(u_short *)&rs->sc_ioc.c_hiaddr, 4)); 972 printf("%s", hexstr(*(u_int *)&rs->sc_ioc.c_addr, 8)); 973 printf("%s", hexstr(*(u_short *)&rs->sc_ioc.c_nop2, 4)); 974 printf("%s", hexstr(*(u_int *)&rs->sc_ioc.c_len, 8)); 975 printf("%s\n", hexstr(*(u_short *)&rs->sc_ioc.c_cmd, 4)); 976 return(1); 977 } 978 #endif 979 printf(" v%d u%d, R0x%x F0x%x A0x%x I0x%x\n", 980 (sp->c_vu>>4)&0xF, sp->c_vu&0xF, 981 sp->c_ref, sp->c_fef, sp->c_aef, sp->c_ief); 982 printf("P1-P10: "); 983 printf("%s", hexstr(*(u_int *)&sp->c_raw[0], 8)); 984 printf("%s", hexstr(*(u_int *)&sp->c_raw[4], 8)); 985 printf("%s\n", hexstr(*(u_short *)&sp->c_raw[8], 4)); 986 return(1); 987 } 988 989 rdread(dev, uio) 990 dev_t dev; 991 struct uio *uio; 992 { 993 register int unit = rdunit(dev); 994 995 return(physio(rdstrategy, &rdbuf[unit], dev, B_READ, minphys, uio)); 996 } 997 998 rdwrite(dev, uio) 999 dev_t dev; 1000 struct uio *uio; 1001 { 1002 register int unit = rdunit(dev); 1003 1004 return(physio(rdstrategy, &rdbuf[unit], dev, B_WRITE, minphys, uio)); 1005 } 1006 1007 /*ARGSUSED*/ 1008 rdioctl(dev, cmd, data, flag) 1009 dev_t dev; 1010 int cmd; 1011 caddr_t data; 1012 int flag; 1013 { 1014 return(EINVAL); 1015 } 1016 1017 rdsize(dev) 1018 dev_t dev; 1019 { 1020 register int unit = rdunit(dev); 1021 register struct rd_softc *rs = &rd_softc[unit]; 1022 1023 if (unit >= NRD || (rs->sc_flags & RDF_ALIVE) == 0) 1024 return(-1); 1025 return(rs->sc_info->sizes[rdpart(dev)].nblocks); 1026 } 1027 1028 #ifdef DEBUG 1029 rdprinterr(str, err, tab) 1030 char *str; 1031 short err; 1032 char *tab[]; 1033 { 1034 register int i; 1035 int printed; 1036 1037 if (err == 0) 1038 return; 1039 printf(" %s error field:", str, err); 1040 printed = 0; 1041 for (i = 0; i < 16; i++) 1042 if (err & (0x8000 >> i)) 1043 printf("%s%s", printed++ ? " + " : " ", tab[i]); 1044 printf("\n"); 1045 } 1046 #endif 1047 1048 /* 1049 * Non-interrupt driven, non-dma dump routine. 1050 */ 1051 rddump(dev) 1052 dev_t dev; 1053 { 1054 int part = rdpart(dev); 1055 int unit = rdunit(dev); 1056 register struct rd_softc *rs = &rd_softc[unit]; 1057 register struct hp_device *hp = rs->sc_hd; 1058 register daddr_t baddr; 1059 register int maddr, pages, i; 1060 char stat; 1061 extern int lowram, dumpsize; 1062 #ifdef DEBUG 1063 extern int pmapdebug; 1064 pmapdebug = 0; 1065 #endif 1066 1067 pages = dumpsize; 1068 #ifdef DEBUG 1069 if (rddebug & RDB_DUMP) 1070 printf("rddump(%x): u %d p %d dumplo %d ram %x pmem %d\n", 1071 dev, unit, part, dumplo, lowram, ctod(pages)); 1072 #endif 1073 /* is drive ok? */ 1074 if (unit >= NRD || (rs->sc_flags & RDF_ALIVE) == 0) 1075 return (ENXIO); 1076 /* HPIB idle? */ 1077 if (!hpibreq(&rs->sc_dq)) { 1078 #ifdef DEBUG 1079 /* is this a safe thing to do?? */ 1080 hpibreset(hp->hp_ctlr); 1081 rdreset(rs, rs->sc_hd); 1082 printf("[ drive %d reset ] ", unit); 1083 #else 1084 return (EFAULT); 1085 #endif 1086 } 1087 /* dump parameters in range? */ 1088 if (dumplo < 0 || dumplo >= rs->sc_info->sizes[part].nblocks) 1089 return (EINVAL); 1090 if (dumplo + ctod(pages) > rs->sc_info->sizes[part].nblocks) 1091 pages = dtoc(rs->sc_info->sizes[part].nblocks - dumplo); 1092 maddr = lowram; 1093 baddr = dumplo + rs->sc_info->nbpc * rs->sc_info->sizes[part].cyloff; 1094 #ifdef DEBUG 1095 if (rddebug & RDB_DUMP) 1096 printf("rddump: dumping %d pages from %x to disk block %d\n", 1097 pages, maddr, baddr); 1098 #endif 1099 for (i = 0; i < pages; i++) { 1100 #ifdef DEBUG 1101 #define NPGMB (1024*1024/NBPG) 1102 /* print out how many Mbs we have dumped */ 1103 if (i && (i % NPGMB) == 0) 1104 printf("%d ", i / NPGMB); 1105 #undef NPBMG 1106 #endif 1107 rs->sc_ioc.c_unit = C_SUNIT(rs->sc_punit); 1108 rs->sc_ioc.c_volume = C_SVOL(0); 1109 rs->sc_ioc.c_saddr = C_SADDR; 1110 rs->sc_ioc.c_hiaddr = 0; 1111 rs->sc_ioc.c_addr = RDBTOS(baddr); 1112 rs->sc_ioc.c_nop2 = C_NOP; 1113 rs->sc_ioc.c_slen = C_SLEN; 1114 rs->sc_ioc.c_len = NBPG; 1115 rs->sc_ioc.c_cmd = C_WRITE; 1116 hpibsend(hp->hp_ctlr, hp->hp_slave, C_CMD, 1117 &rs->sc_ioc.c_unit, sizeof(rs->sc_ioc)-2); 1118 if (hpibswait(hp->hp_ctlr, hp->hp_slave)) { 1119 #ifdef DEBUG 1120 if (rddebug & RDB_DUMP) 1121 printf("rddump: IOC wait timeout\n"); 1122 #endif 1123 return (EIO); 1124 } 1125 pmap_enter(pmap_kernel(), vmmap, maddr, VM_PROT_READ, TRUE); 1126 hpibsend(hp->hp_ctlr, hp->hp_slave, C_EXEC, vmmap, NBPG); 1127 if (hpibswait(hp->hp_ctlr, hp->hp_slave)) { 1128 #ifdef DEBUG 1129 if (rddebug & RDB_DUMP) 1130 printf("rddump: write wait timeout\n"); 1131 #endif 1132 } 1133 hpibrecv(hp->hp_ctlr, hp->hp_slave, C_QSTAT, &stat, 1); 1134 if (stat) { 1135 #ifdef DEBUG 1136 if (rddebug & RDB_DUMP) 1137 printf("rddump: write failed, status %x\n", 1138 stat); 1139 #endif 1140 return (EIO); 1141 } 1142 maddr += NBPG; 1143 baddr += ctod(1); 1144 } 1145 return (0); 1146 } 1147 #endif 1148