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 $Hdr: rd.c 1.38 90/10/12$ 13 * 14 * @(#)rd.c 7.9 (Berkeley) 05/07/91 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/lock.h" 36 #include "vm/vm_statistics.h" 37 #include "vm/pmap.h" 38 #include "vm/vm_prot.h" 39 40 int rdinit(), rdstart(), rdgo(), rdintr(); 41 struct driver rddriver = { 42 rdinit, "rd", rdstart, rdgo, rdintr, 43 }; 44 45 struct rd_softc { 46 struct hp_device *sc_hd; 47 int sc_flags; 48 short sc_type; 49 short sc_punit; 50 char *sc_addr; 51 int sc_resid; 52 u_int sc_wpms; 53 struct rdinfo *sc_info; 54 struct devqueue sc_dq; 55 struct rd_iocmd sc_ioc; 56 struct rd_rscmd sc_rsc; 57 struct rd_stat sc_stat; 58 struct rd_ssmcmd sc_ssmc; 59 struct rd_srcmd sc_src; 60 struct rd_clearcmd sc_clear; 61 } rd_softc[NRD]; 62 63 /* sc_flags values */ 64 #define RDF_ALIVE 0x1 65 #define RDF_SEEK 0x2 66 #define RDF_SWAIT 0x4 67 68 struct size { 69 daddr_t nblocks; 70 int cyloff; 71 }; 72 73 #ifdef DEBUG 74 int rddebug = 0x80; 75 #define RDB_FOLLOW 0x01 76 #define RDB_STATUS 0x02 77 #define RDB_IDENT 0x04 78 #define RDB_IO 0x08 79 #define RDB_ASYNC 0x10 80 #define RDB_ERROR 0x80 81 #define RDB_DUMP 0x80000000 82 83 struct rdstats { 84 long rdretries; 85 long rdresets; 86 long rdtimeouts; 87 long rdpolltries; 88 long rdpollwaits; 89 } rdstats[NRD]; 90 91 /* error message tables */ 92 char *err_reject[] = { 93 0, 0, 94 "channel parity error", /* 0x2000 */ 95 0, 0, 96 "illegal opcode", /* 0x0400 */ 97 "module addressing", /* 0x0200 */ 98 "address bounds", /* 0x0100 */ 99 "parameter bounds", /* 0x0080 */ 100 "illegal parameter", /* 0x0040 */ 101 "message sequence", /* 0x0020 */ 102 0, 103 "message length", /* 0x0008 */ 104 0, 0, 0 105 }; 106 107 char *err_fault[] = { 108 0, 109 "cross unit", /* 0x4000 */ 110 0, 111 "controller fault", /* 0x1000 */ 112 0, 0, 113 "unit fault", /* 0x0200 */ 114 0, 115 "diagnostic result", /* 0x0080 */ 116 0, 117 "operator release request", /* 0x0020 */ 118 "diagnostic release request", /* 0x0010 */ 119 "internal maintenance release request", /* 0x0008 */ 120 0, 121 "power fail", /* 0x0002 */ 122 "retransmit" /* 0x0001 */ 123 }; 124 125 char *err_access[] = { 126 "illegal parallel operation", /* 0x8000 */ 127 "uninitialized media", /* 0x4000 */ 128 "no spares available", /* 0x2000 */ 129 "not ready", /* 0x1000 */ 130 "write protect", /* 0x0800 */ 131 "no data found", /* 0x0400 */ 132 0, 0, 133 "unrecoverable data overflow", /* 0x0080 */ 134 "unrecoverable data", /* 0x0040 */ 135 0, 136 "end of file", /* 0x0010 */ 137 "end of volume", /* 0x0008 */ 138 0, 0, 0 139 }; 140 141 char *err_info[] = { 142 "operator release request", /* 0x8000 */ 143 "diagnostic release request", /* 0x4000 */ 144 "internal maintenance release request", /* 0x2000 */ 145 "media wear", /* 0x1000 */ 146 "latency induced", /* 0x0800 */ 147 0, 0, 148 "auto sparing invoked", /* 0x0100 */ 149 0, 150 "recoverable data overflow", /* 0x0040 */ 151 "marginal data", /* 0x0020 */ 152 "recoverable data", /* 0x0010 */ 153 0, 154 "maintenance track overflow", /* 0x0004 */ 155 0, 0 156 }; 157 #endif 158 159 /* 160 * CS/80 partitions. We reserve the first cylinder for a LIF 161 * style boot directory (the 8k allowed in the BSD filesystem 162 * is just way too small). This boot area is outside of all but 163 * the C partition. This implies that you cannot use the C 164 * partition on a bootable disk since the filesystem would overlay 165 * the boot area. You must use the A partition. 166 * 167 * These maps support four basic layouts: 168 * 169 * A/B/G: This is the "traditional" setup for a bootable disk. 170 * A is the root partition, B the swap, and G a user partition. 171 * A/D/H: This is a setup for bootable systems requiring more swap 172 * (e.g. those who use HPCL). It has A as the root, D as a 173 * larger swap, and H as a smaller user partition. 174 * A/D/E/F: Similar to A/D/H with E and F breaking H into two partitions. 175 * E could be used for /usr and F for users. 176 * C: This gives a single, non-bootable, large user filesystem. 177 * Good for second drives on a machine (e.g. /usr/src). 178 */ 179 struct size rd7945A_sizes[8] = { 180 RDSZ(15904), 1, /* A=cyl 1 thru 142 */ 181 RDSZ(20160), 143, /* B=cyl 143 thru 322 */ 182 RDSZ(108416), 0, /* C=cyl 0 thru 967 */ 183 RDSZ(40320), 143, /* D=cyl 143 thru 502 */ 184 RDSZ(0), 0, /* E=<undefined> */ 185 RDSZ(0), 0, /* F=<undefined> */ 186 RDSZ(72240), 323, /* G=cyl 323 thru 967 */ 187 RDSZ(52080), 503, /* H=cyl 503 thru 967 */ 188 }, rd9134D_sizes[8] = { 189 RDSZ(15936), 1, /* A=cyl 1 thru 166 */ 190 RDSZ(13056), 167, /* B=cyl 167 thru 302 */ 191 RDSZ(29088), 0, /* C=cyl 0 thru 302 */ 192 RDSZ(0), 0, /* D=<undefined> */ 193 RDSZ(0), 0, /* E=<undefined> */ 194 RDSZ(0), 0, /* F=<undefined> */ 195 RDSZ(0), 0, /* G=<undefined> */ 196 RDSZ(0), 0, /* H=<undefined> */ 197 }, rd9122S_sizes[8] = { 198 RDSZ(0), 0, /* A=<undefined> */ 199 RDSZ(0), 0, /* B=<undefined> */ 200 RDSZ(1232), 0, /* C=cyl 0 thru 76 */ 201 RDSZ(0), 0, /* D=<undefined> */ 202 RDSZ(0), 0, /* E=<undefined> */ 203 RDSZ(0), 0, /* F=<undefined> */ 204 RDSZ(0), 0, /* G=<undefined> */ 205 RDSZ(0), 0, /* H=<undefined> */ 206 }, rd7912P_sizes[8] = { 207 RDSZ(15904), 0, /* A=cyl 1 thru 71 */ 208 RDSZ(22400), 72, /* B=cyl 72 thru 171 */ 209 RDSZ(128128), 0, /* C=cyl 0 thru 571 */ 210 RDSZ(42560), 72, /* D=cyl 72 thru 261 */ 211 RDSZ(0), 292, /* E=<undefined> */ 212 RDSZ(0), 542, /* F=<undefined> */ 213 RDSZ(89600), 172, /* G=cyl 221 thru 571 */ 214 RDSZ(69440), 262, /* H=cyl 262 thru 571 */ 215 }, rd7914P_sizes[8] = { 216 RDSZ(15904), 1, /* A=cyl 1 thru 71 */ 217 RDSZ(40320), 72, /* B=cyl 72 thru 251 */ 218 RDSZ(258048), 0, /* C=cyl 0 thru 1151 */ 219 RDSZ(64960), 72, /* D=cyl 72 thru 361 */ 220 RDSZ(98560), 362, /* E=cyl 362 thru 801 */ 221 RDSZ(78400), 802, /* F=cyl 802 thru 1151 */ 222 RDSZ(201600), 252, /* G=cyl 221 thru 1151 */ 223 RDSZ(176960), 362, /* H=cyl 362 thru 1151 */ 224 }, rd7933H_sizes[8] = { 225 RDSZ(16146), 1, /* A=cyl 1 thru 27 */ 226 RDSZ(66976), 28, /* B=cyl 28 thru 139 */ 227 RDSZ(789958), 0, /* C=cyl 0 thru 1320 */ 228 RDSZ(16146), 140, /* D=cyl 140 thru 166 */ 229 RDSZ(165646), 167, /* E=cyl 167 thru 443 */ 230 RDSZ(165646), 444, /* F=cyl 444 thru 720 */ 231 RDSZ(706238), 140, /* G=cyl 140 thru 1320 */ 232 RDSZ(358800), 721, /* H=cyl 721 thru 1320 */ 233 }, rd9134L_sizes[8] = { 234 RDSZ(15920), 1, /* A=cyl 1 thru 199 */ 235 RDSZ(20000), 200, /* B=cyl 200 thru 449 */ 236 RDSZ(77840), 0, /* C=cyl 0 thru 972 */ 237 RDSZ(32000), 200, /* D=cyl 200 thru 599 */ 238 RDSZ(0), 0, /* E=<undefined> */ 239 RDSZ(0), 0, /* F=<undefined> */ 240 RDSZ(41840), 450, /* G=cyl 450 thru 972 */ 241 RDSZ(29840), 600, /* H=cyl 600 thru 972 */ 242 }, rd7957A_sizes[8] = { 243 RDSZ(16016), 1, /* A=cyl 1 thru 104 */ 244 RDSZ(24640), 105, /* B=cyl 105 thru 264 */ 245 RDSZ(159544), 0, /* C=cyl 0 thru 1035 */ 246 RDSZ(42350), 105, /* D=cyl 105 thru 379 */ 247 RDSZ(54824), 380, /* E=cyl 380 thru 735 */ 248 RDSZ(46200), 736, /* F=cyl 736 thru 1035 */ 249 RDSZ(118734), 265, /* G=cyl 265 thru 1035 */ 250 RDSZ(101024), 380, /* H=cyl 380 thru 1035 */ 251 }, rd7958A_sizes[8] = { 252 RDSZ(16128), 1, /* A=cyl 1 thru 64 */ 253 RDSZ(32256), 65, /* B=cyl 65 thru 192 */ 254 RDSZ(255276), 0, /* C=cyl 0 thru 1012 */ 255 RDSZ(48384), 65, /* D=cyl 65 thru 256 */ 256 RDSZ(100800), 257, /* E=cyl 257 thru 656 */ 257 RDSZ(89712), 657, /* F=cyl 657 thru 1012 */ 258 RDSZ(206640), 193, /* G=cyl 193 thru 1012 */ 259 RDSZ(190512), 257, /* H=cyl 257 thru 1012 */ 260 }, rd7957B_sizes[8] = { 261 RDSZ(16002), 1, /* A=cyl 1 thru 127 */ 262 RDSZ(32760), 128, /* B=cyl 128 thru 387 */ 263 RDSZ(159894), 0, /* C=cyl 0 thru 1268 */ 264 RDSZ(49140), 128, /* D=cyl 128 thru 517 */ 265 RDSZ(50400), 518, /* E=cyl 518 thru 917 */ 266 RDSZ(44226), 918, /* F=cyl 918 thru 1268 */ 267 RDSZ(111006), 388, /* G=cyl 388 thru 1268 */ 268 RDSZ(94626), 518, /* H=cyl 518 thru 1268 */ 269 }, rd7958B_sizes[8] = { 270 RDSZ(16254), 1, /* A=cyl 1 thru 43 */ 271 RDSZ(32886), 44, /* B=cyl 44 thru 130 */ 272 RDSZ(297108), 0, /* C=cyl 0 thru 785 */ 273 RDSZ(49140), 44, /* D=cyl 44 thru 173 */ 274 RDSZ(121716), 174, /* E=cyl 174 thru 495 */ 275 RDSZ(109620), 496, /* F=cyl 496 thru 785 */ 276 RDSZ(247590), 131, /* G=cyl 131 thru 785 */ 277 RDSZ(231336), 174, /* H=cyl 174 thru 785 */ 278 }, rd7959B_sizes[8] = { 279 RDSZ(16254), 1, /* A=cyl 1 thru 43 */ 280 RDSZ(49140), 44, /* B=cyl 44 thru 173 */ 281 RDSZ(594216), 0, /* C=cyl 0 thru 1571 */ 282 RDSZ(65772), 44, /* D=cyl 44 thru 217 */ 283 RDSZ(303912), 218, /* E=cyl 218 thru 1021 */ 284 RDSZ(207900), 1022, /* F=cyl 1022 thru 1571 */ 285 RDSZ(528444), 174, /* G=cyl 174 thru 1571 */ 286 RDSZ(511812), 218, /* H=cyl 218 thru 1571 */ 287 }, rd2200A_sizes[8] = { 288 RDSZ(16272), 1, /* A=cyl 1 thru 36 */ 289 RDSZ(49720), 37, /* B=cyl 37 thru 146 */ 290 RDSZ(654948), 0, /* C=cyl 0 thru 1448 */ 291 RDSZ(65992), 37, /* D=cyl 37 thru 182 */ 292 RDSZ(304648), 183, /* E=cyl 183 thru 856 */ 293 RDSZ(267584), 857, /* F=cyl 857 thru 1448 */ 294 RDSZ(588504), 147, /* G=cyl 147 thru 1448 */ 295 RDSZ(572232), 183, /* H=cyl 183 thru 1448 */ 296 }, rd2203A_sizes[8] = { 297 /* modelled after the 7937; i.e. bogus */ 298 RDSZ(16272), 1, /* A=cyl 1 thru 18 */ 299 RDSZ(67800), 19, /* B=cyl 19 thru 93 */ 300 RDSZ(1309896), 0, /* C=cyl 0 thru 1448 */ 301 RDSZ(16272), 94, /* D=cyl 19 thru 111 */ 302 RDSZ(305552), 112, /* E=cyl 112 thru 449 */ 303 RDSZ(305552), 450, /* F=cyl 450 thru 787 */ 304 RDSZ(1224920), 94, /* G=cyl 94 thru 1448 */ 305 RDSZ(597544), 788, /* H=cyl 788 thru 1448 */ 306 307 #if DEV_BSIZE == 512 308 /* 309 * These values would not work for 1k, 310 * since the number of cylinders would be different. 311 */ 312 }, rd7936H_sizes[8] = { 313 RDSZ(16359), 1, /* A=cyl 1 thru 19 */ 314 RDSZ(67158), 20, /* B=cyl 20 thru 97 */ 315 RDSZ(600978), 0, /* C=cyl 0 thru 697 */ 316 RDSZ(16359), 98, /* D=cyl 98 thru 116 */ 317 RDSZ(120540), 117, /* E=cyl 117 thru 256 */ 318 RDSZ(120540), 256, /* F=cyl 256 thru 396 */ 319 RDSZ(516600), 98, /* G=cyl 98 thru 697 */ 320 RDSZ(259161), 397, /* H=cyl 397 thru 697 */ 321 }, rd7937H_sizes[8] = { 322 #ifdef UTAH 323 RDSZ(15990), 1, /* A=cyl 1 thru 10 */ 324 RDSZ(67158), 11, /* B=cyl 11 thru 52 */ 325 RDSZ(1116102), 0, /* C=cyl 0 thru 697 */ 326 RDSZ(124722), 53, /* D=cyl 53 thru 130 */ 327 RDSZ(163098), 131, /* E=cyl 131 thru 232 */ 328 RDSZ(287820), 233, /* F=cyl 233 thru 412 */ 329 RDSZ(1031355), 53, /* G=cyl 53 thru 697 */ 330 RDSZ(455715), 413, /* H=cyl 413 thru 697 */ 331 #else 332 RDSZ(15990), 1, /* A=cyl 1 thru 10 */ 333 RDSZ(67158), 11, /* B=cyl 11 thru 52 */ 334 RDSZ(1116102), 0, /* C=cyl 0 thru 697 */ 335 RDSZ(15990), 53, /* D=cyl 53 thru 62 */ 336 RDSZ(246246), 63, /* E=cyl 63 thru 216 */ 337 RDSZ(246246), 217, /* F=cyl 217 thru 370 */ 338 RDSZ(1031355), 53, /* G=cyl 53 thru 697 */ 339 RDSZ(522873), 371, /* H=cyl 371 thru 697 */ 340 #endif 341 #endif 342 }; 343 344 struct rdinfo { 345 int nbpt; /* DEV_BSIZE blocks per track */ 346 int ntpc; /* tracks per cylinder */ 347 int nbpc; /* blocks per cylinder */ 348 struct size *sizes; /* default partition info (if no disklabel) */ 349 short hwid; /* 2 byte HW id */ 350 short maxunum; /* maximum allowed unit number */ 351 char *desc; /* drive type description */ 352 }; 353 354 struct rdinfo rdinfo[] = { 355 NRD7945ABPT, NRD7945ATRK, NRD7945ABPT * NRD7945ATRK, 356 rd7945A_sizes, RD7946AID, 0, "7945A", 357 NRD9134DBPT, NRD9134DTRK, NRD9134DBPT * NRD9134DTRK, 358 rd9134D_sizes, RD9134DID, 1, "9134D", 359 NRD9122SBPT, NRD9122STRK, NRD9122SBPT * NRD9122STRK, 360 rd9122S_sizes, RD9134LID, 1, "9122S", 361 NRD7912PBPT, NRD7912PTRK, NRD7912PBPT * NRD7912PTRK, 362 rd7912P_sizes, RD7912PID, 0, "7912P", 363 NRD7914PBPT, NRD7914PTRK, NRD7914PBPT * NRD7914PTRK, 364 rd7914P_sizes, RD7914PID, 0, "7914P", 365 NRD7958ABPT, NRD7958ATRK, NRD7958ABPT * NRD7958ATRK, 366 rd7958A_sizes, RD7958AID, 0, "7958A", 367 NRD7957ABPT, NRD7957ATRK, NRD7957ABPT * NRD7957ATRK, 368 rd7957A_sizes, RD7957AID, 0, "7957A", 369 NRD7933HBPT, NRD7933HTRK, NRD7933HBPT * NRD7933HTRK, 370 rd7933H_sizes, RD7933HID, 0, "7933H", 371 NRD9134LBPT, NRD9134LTRK, NRD9134LBPT * NRD9134LTRK, 372 rd9134L_sizes, RD9134LID, 1, "9134L", 373 NRD7936HBPT, NRD7936HTRK, NRD7936HBPT * NRD7936HTRK, 374 rd7936H_sizes, RD7936HID, 0, "7936H", 375 NRD7937HBPT, NRD7937HTRK, NRD7937HBPT * NRD7937HTRK, 376 rd7937H_sizes, RD7937HID, 0, "7937H", 377 NRD7914PBPT, NRD7914PTRK, NRD7914PBPT * NRD7914PTRK, 378 rd7914P_sizes, RD7914CTID, 0, "7914CT", 379 NRD7945ABPT, NRD7945ATRK, NRD7945ABPT * NRD7945ATRK, 380 rd7945A_sizes, RD7946AID, 0, "7946A", 381 NRD9122SBPT, NRD9122STRK, NRD9122SBPT * NRD9122STRK, 382 rd9122S_sizes, RD9134LID, 1, "9122D", 383 NRD7957BBPT, NRD7957BTRK, NRD7957BBPT * NRD7957BTRK, 384 rd7957B_sizes, RD7957BID, 0, "7957B", 385 NRD7958BBPT, NRD7958BTRK, NRD7958BBPT * NRD7958BTRK, 386 rd7958B_sizes, RD7958BID, 0, "7958B", 387 NRD7959BBPT, NRD7959BTRK, NRD7959BBPT * NRD7959BTRK, 388 rd7959B_sizes, RD7959BID, 0, "7959B", 389 NRD2200ABPT, NRD2200ATRK, NRD2200ABPT * NRD2200ATRK, 390 rd2200A_sizes, RD2200AID, 0, "2200A", 391 NRD2203ABPT, NRD2203ATRK, NRD2203ABPT * NRD2203ATRK, 392 rd2203A_sizes, RD2203AID, 0, "2203A", 393 }; 394 int nrdinfo = sizeof(rdinfo) / sizeof(rdinfo[0]); 395 396 struct buf rdtab[NRD]; 397 398 #define rdunit(x) (minor(x) >> 3) 399 #define rdpart(x) (minor(x) & 0x7) 400 #define rdpunit(x) ((x) & 7) 401 #define b_cylin b_resid 402 #define RDRETRY 5 403 #define RDWAITC 1 /* min time for timeout in seconds */ 404 405 int rderrthresh = RDRETRY-1; /* when to start reporting errors */ 406 407 rdinit(hd) 408 register struct hp_device *hd; 409 { 410 register struct rd_softc *rs = &rd_softc[hd->hp_unit]; 411 412 rs->sc_hd = hd; 413 rs->sc_punit = rdpunit(hd->hp_flags); 414 rs->sc_type = rdident(rs, hd); 415 if (rs->sc_type < 0) 416 return(0); 417 rs->sc_dq.dq_ctlr = hd->hp_ctlr; 418 rs->sc_dq.dq_unit = hd->hp_unit; 419 rs->sc_dq.dq_slave = hd->hp_slave; 420 rs->sc_dq.dq_driver = &rddriver; 421 rs->sc_info = &rdinfo[rs->sc_type]; 422 rs->sc_flags = RDF_ALIVE; 423 #ifdef DEBUG 424 /* always report errors */ 425 if (rddebug & RDB_ERROR) 426 rderrthresh = 0; 427 #endif 428 return(1); 429 } 430 431 rdident(rs, hd) 432 struct rd_softc *rs; 433 struct hp_device *hd; 434 { 435 struct rd_describe desc; 436 u_char stat, cmd[3]; 437 int unit, lunit; 438 char name[7]; 439 register int ctlr, slave, id, i; 440 441 ctlr = hd->hp_ctlr; 442 slave = hd->hp_slave; 443 unit = rs->sc_punit; 444 lunit = hd->hp_unit; 445 446 /* 447 * Grab device id and make sure: 448 * 1. It is a CS80 device. 449 * 2. It is one of the types we support. 450 * 3. If it is a 7946, we are accessing the disk unit (0) 451 */ 452 id = hpibid(ctlr, slave); 453 #ifdef DEBUG 454 if (rddebug & RDB_IDENT) 455 printf("hpibid(%d, %d) -> %x\n", ctlr, slave, id); 456 #endif 457 if ((id & 0x200) == 0) 458 return(-1); 459 for (i = 0; i < nrdinfo; i++) 460 if (id == rdinfo[i].hwid) 461 break; 462 if (i == nrdinfo || unit > rdinfo[i].maxunum) 463 return(-1); 464 id = i; 465 466 /* 467 * Reset drive and collect device description. 468 * Don't really use the description info right now but 469 * might come in handy in the future (for disk labels). 470 */ 471 rdreset(rs, hd); 472 cmd[0] = C_SUNIT(unit); 473 cmd[1] = C_SVOL(0); 474 cmd[2] = C_DESC; 475 hpibsend(ctlr, slave, C_CMD, cmd, sizeof(cmd)); 476 hpibrecv(ctlr, slave, C_EXEC, &desc, 37); 477 hpibrecv(ctlr, slave, C_QSTAT, &stat, sizeof(stat)); 478 bzero(name, sizeof(name)); 479 if (!stat) { 480 register int n = desc.d_name; 481 for (i = 5; i >= 0; i--) { 482 name[i] = (n & 0xf) + '0'; 483 n >>= 4; 484 } 485 /* use drive characteristics to calculate xfer rate */ 486 rs->sc_wpms = 1000000 * (desc.d_sectsize/2) / desc.d_blocktime; 487 } 488 #ifdef DEBUG 489 if (rddebug & RDB_IDENT) { 490 printf("rd%d: name: %x ('%s')\n", 491 lunit, desc.d_name, name); 492 printf(" iuw %x, maxxfr %d, ctype %d\n", 493 desc.d_iuw, desc.d_cmaxxfr, desc.d_ctype); 494 printf(" utype %d, bps %d, blkbuf %d, burst %d, blktime %d\n", 495 desc.d_utype, desc.d_sectsize, 496 desc.d_blkbuf, desc.d_burstsize, desc.d_blocktime); 497 printf(" avxfr %d, ort %d, atp %d, maxint %d, fv %x, rv %x\n", 498 desc.d_uavexfr, desc.d_retry, desc.d_access, 499 desc.d_maxint, desc.d_fvbyte, desc.d_rvbyte); 500 printf(" maxcyl/head/sect %d/%d/%d, maxvsect %d, inter %d\n", 501 desc.d_maxcyl, desc.d_maxhead, desc.d_maxsect, 502 desc.d_maxvsectl, desc.d_interleave); 503 } 504 #endif 505 /* 506 * Take care of a couple of anomolies: 507 * 1. 7945A and 7946A both return same HW id 508 * 2. 9122S and 9134D both return same HW id 509 * 3. 9122D and 9134L both return same HW id 510 */ 511 switch (rdinfo[id].hwid) { 512 case RD7946AID: 513 if (bcmp(name, "079450", 6) == 0) 514 id = RD7945A; 515 else 516 id = RD7946A; 517 break; 518 519 case RD9134LID: 520 if (bcmp(name, "091340", 6) == 0) 521 id = RD9134L; 522 else 523 id = RD9122D; 524 break; 525 526 case RD9134DID: 527 if (bcmp(name, "091220", 6) == 0) 528 id = RD9122S; 529 else 530 id = RD9134D; 531 break; 532 } 533 printf("rd%d: %s\n", lunit, rdinfo[id].desc); 534 return(id); 535 } 536 537 rdreset(rs, hd) 538 register struct rd_softc *rs; 539 register struct hp_device *hd; 540 { 541 u_char stat; 542 543 rs->sc_clear.c_unit = C_SUNIT(rs->sc_punit); 544 rs->sc_clear.c_cmd = C_CLEAR; 545 hpibsend(hd->hp_ctlr, hd->hp_slave, C_TCMD, &rs->sc_clear, 546 sizeof(rs->sc_clear)); 547 hpibswait(hd->hp_ctlr, hd->hp_slave); 548 hpibrecv(hd->hp_ctlr, hd->hp_slave, C_QSTAT, &stat, sizeof(stat)); 549 rs->sc_src.c_unit = C_SUNIT(RDCTLR); 550 rs->sc_src.c_nop = C_NOP; 551 rs->sc_src.c_cmd = C_SREL; 552 rs->sc_src.c_param = C_REL; 553 hpibsend(hd->hp_ctlr, hd->hp_slave, C_CMD, &rs->sc_src, 554 sizeof(rs->sc_src)); 555 hpibswait(hd->hp_ctlr, hd->hp_slave); 556 hpibrecv(hd->hp_ctlr, hd->hp_slave, C_QSTAT, &stat, sizeof(stat)); 557 rs->sc_ssmc.c_unit = C_SUNIT(rs->sc_punit); 558 rs->sc_ssmc.c_cmd = C_SSM; 559 rs->sc_ssmc.c_refm = REF_MASK; 560 rs->sc_ssmc.c_fefm = FEF_MASK; 561 rs->sc_ssmc.c_aefm = AEF_MASK; 562 rs->sc_ssmc.c_iefm = IEF_MASK; 563 hpibsend(hd->hp_ctlr, hd->hp_slave, C_CMD, &rs->sc_ssmc, 564 sizeof(rs->sc_ssmc)); 565 hpibswait(hd->hp_ctlr, hd->hp_slave); 566 hpibrecv(hd->hp_ctlr, hd->hp_slave, C_QSTAT, &stat, sizeof(stat)); 567 #ifdef DEBUG 568 rdstats[hd->hp_unit].rdresets++; 569 #endif 570 } 571 572 int 573 rdopen(dev, flags, mode, p) 574 dev_t dev; 575 int flags, mode; 576 struct proc *p; 577 { 578 register int unit = rdunit(dev); 579 register struct rd_softc *rs = &rd_softc[unit]; 580 581 if (unit >= NRD || (rs->sc_flags & RDF_ALIVE) == 0) 582 return(ENXIO); 583 if (rs->sc_hd->hp_dk >= 0) { 584 /* guess at xfer rate based on 3600 rpm (60 rps) */ 585 if (rs->sc_wpms == 0) 586 rs->sc_wpms = 60 * rs->sc_info->nbpt * DEV_BSIZE / 2; 587 dk_wpms[rs->sc_hd->hp_dk] = rs->sc_wpms; 588 } 589 return(0); 590 } 591 592 rdstrategy(bp) 593 register struct buf *bp; 594 { 595 register int unit = rdunit(bp->b_dev); 596 register struct rd_softc *rs = &rd_softc[unit]; 597 register struct size *pinfo = &rs->sc_info->sizes[rdpart(bp->b_dev)]; 598 register struct buf *dp = &rdtab[unit]; 599 register daddr_t bn; 600 register int sz, s; 601 602 #ifdef DEBUG 603 if (rddebug & RDB_FOLLOW) 604 printf("rdstrategy(%x): dev %x, bn %x, bcount %x, %c\n", 605 bp, bp->b_dev, bp->b_blkno, bp->b_bcount, 606 (bp->b_flags & B_READ) ? 'R' : 'W'); 607 #endif 608 bn = bp->b_blkno; 609 sz = howmany(bp->b_bcount, DEV_BSIZE); 610 if (bn < 0 || bn + sz > pinfo->nblocks) { 611 sz = pinfo->nblocks - bn; 612 if (sz == 0) { 613 bp->b_resid = bp->b_bcount; 614 goto done; 615 } 616 if (sz < 0) { 617 bp->b_error = EINVAL; 618 bp->b_flags |= B_ERROR; 619 goto done; 620 } 621 bp->b_bcount = dbtob(sz); 622 } 623 bp->b_cylin = bn / rs->sc_info->nbpc + pinfo->cyloff; 624 s = splbio(); 625 disksort(dp, bp); 626 if (dp->b_active == 0) { 627 dp->b_active = 1; 628 rdustart(unit); 629 } 630 splx(s); 631 return; 632 done: 633 biodone(bp); 634 } 635 636 /* 637 * Called from timeout() when handling maintenance releases 638 */ 639 rdrestart(unit) 640 int unit; 641 { 642 int s = splbio(); 643 rdustart(unit); 644 splx(s); 645 } 646 647 rdustart(unit) 648 register int unit; 649 { 650 register struct buf *bp; 651 register struct rd_softc *rs = &rd_softc[unit]; 652 653 bp = rdtab[unit].b_actf; 654 rs->sc_addr = bp->b_un.b_addr; 655 rs->sc_resid = bp->b_bcount; 656 if (hpibreq(&rs->sc_dq)) 657 rdstart(unit); 658 } 659 660 rdstart(unit) 661 register int unit; 662 { 663 register struct rd_softc *rs = &rd_softc[unit]; 664 register struct buf *bp = rdtab[unit].b_actf; 665 register struct hp_device *hp = rs->sc_hd; 666 register int part; 667 668 again: 669 #ifdef DEBUG 670 if (rddebug & RDB_FOLLOW) 671 printf("rdstart(%d): bp %x, %c\n", unit, bp, 672 (bp->b_flags & B_READ) ? 'R' : 'W'); 673 #endif 674 part = rdpart(bp->b_dev); 675 rs->sc_flags |= RDF_SEEK; 676 rs->sc_ioc.c_unit = C_SUNIT(rs->sc_punit); 677 rs->sc_ioc.c_volume = C_SVOL(0); 678 rs->sc_ioc.c_saddr = C_SADDR; 679 rs->sc_ioc.c_hiaddr = 0; 680 rs->sc_ioc.c_addr = RDBTOS(bp->b_blkno + rs->sc_info->nbpc * 681 rs->sc_info->sizes[part].cyloff); 682 rs->sc_ioc.c_nop2 = C_NOP; 683 rs->sc_ioc.c_slen = C_SLEN; 684 rs->sc_ioc.c_len = rs->sc_resid; 685 rs->sc_ioc.c_cmd = bp->b_flags & B_READ ? C_READ : C_WRITE; 686 #ifdef DEBUG 687 if (rddebug & RDB_IO) 688 printf("rdstart: hpibsend(%x, %x, %x, %x, %x)\n", 689 hp->hp_ctlr, hp->hp_slave, C_CMD, 690 &rs->sc_ioc.c_unit, sizeof(rs->sc_ioc)-2); 691 #endif 692 if (hpibsend(hp->hp_ctlr, hp->hp_slave, C_CMD, &rs->sc_ioc.c_unit, 693 sizeof(rs->sc_ioc)-2) == sizeof(rs->sc_ioc)-2) { 694 if (hp->hp_dk >= 0) { 695 dk_busy |= 1 << hp->hp_dk; 696 dk_seek[hp->hp_dk]++; 697 } 698 #ifdef DEBUG 699 if (rddebug & RDB_IO) 700 printf("rdstart: hpibawait(%x)\n", hp->hp_ctlr); 701 #endif 702 hpibawait(hp->hp_ctlr); 703 return; 704 } 705 /* 706 * Experience has shown that the hpibwait in this hpibsend will 707 * occasionally timeout. It appears to occur mostly on old 7914 708 * drives with full maintenance tracks. We should probably 709 * integrate this with the backoff code in rderror. 710 */ 711 #ifdef DEBUG 712 if (rddebug & RDB_ERROR) 713 printf("rd%d: rdstart: cmd %x adr %d blk %d len %d ecnt %d\n", 714 unit, rs->sc_ioc.c_cmd, rs->sc_ioc.c_addr, 715 bp->b_blkno, rs->sc_resid, rdtab[unit].b_errcnt); 716 rdstats[unit].rdretries++; 717 #endif 718 rs->sc_flags &= ~RDF_SEEK; 719 rdreset(rs, hp); 720 if (rdtab[unit].b_errcnt++ < RDRETRY) 721 goto again; 722 printf("rd%d: rdstart err: cmd 0x%x sect %d blk %d len %d\n", 723 unit, rs->sc_ioc.c_cmd, rs->sc_ioc.c_addr, 724 bp->b_blkno, rs->sc_resid); 725 rdtab[unit].b_errcnt = 0; 726 rdtab[unit].b_actf = bp->b_actf; 727 bp->b_flags |= B_ERROR; 728 bp->b_error = EIO; 729 bp->b_resid = 0; 730 biodone(bp); 731 hpibfree(&rs->sc_dq); 732 bp = rdtab[unit].b_actf; 733 if (bp == NULL) { 734 rdtab[unit].b_active = 0; 735 return; 736 } 737 rs->sc_addr = bp->b_un.b_addr; 738 rs->sc_resid = bp->b_bcount; 739 if (hpibreq(&rs->sc_dq)) 740 goto again; 741 } 742 743 rdgo(unit) 744 register int unit; 745 { 746 register struct rd_softc *rs = &rd_softc[unit]; 747 register struct hp_device *hp = rs->sc_hd; 748 struct buf *bp = rdtab[unit].b_actf; 749 750 if (hp->hp_dk >= 0) { 751 dk_busy |= 1 << hp->hp_dk; 752 dk_xfer[hp->hp_dk]++; 753 dk_wds[hp->hp_dk] += rs->sc_resid >> 6; 754 } 755 hpibgo(hp->hp_ctlr, hp->hp_slave, C_EXEC, 756 rs->sc_addr, rs->sc_resid, bp->b_flags & B_READ); 757 } 758 759 rdintr(unit) 760 register int unit; 761 { 762 register struct rd_softc *rs = &rd_softc[unit]; 763 register struct buf *bp = rdtab[unit].b_actf; 764 register struct hp_device *hp = rs->sc_hd; 765 u_char stat = 13; /* in case hpibrecv fails */ 766 int rv, restart; 767 768 #ifdef DEBUG 769 if (rddebug & RDB_FOLLOW) 770 printf("rdintr(%d): bp %x, %c, flags %x\n", unit, bp, 771 (bp->b_flags & B_READ) ? 'R' : 'W', rs->sc_flags); 772 if (bp == NULL) { 773 printf("rd%d: bp == NULL\n", unit); 774 return; 775 } 776 #endif 777 if (hp->hp_dk >= 0) 778 dk_busy &= ~(1 << hp->hp_dk); 779 if (rs->sc_flags & RDF_SEEK) { 780 rs->sc_flags &= ~RDF_SEEK; 781 if (hpibustart(hp->hp_ctlr)) 782 rdgo(unit); 783 return; 784 } 785 if ((rs->sc_flags & RDF_SWAIT) == 0) { 786 #ifdef DEBUG 787 rdstats[unit].rdpolltries++; 788 #endif 789 if (hpibpptest(hp->hp_ctlr, hp->hp_slave) == 0) { 790 #ifdef DEBUG 791 rdstats[unit].rdpollwaits++; 792 #endif 793 if (hp->hp_dk >= 0) 794 dk_busy |= 1 << hp->hp_dk; 795 rs->sc_flags |= RDF_SWAIT; 796 hpibawait(hp->hp_ctlr); 797 return; 798 } 799 } else 800 rs->sc_flags &= ~RDF_SWAIT; 801 rv = hpibrecv(hp->hp_ctlr, hp->hp_slave, C_QSTAT, &stat, 1); 802 if (rv != 1 || stat) { 803 #ifdef DEBUG 804 if (rddebug & RDB_ERROR) 805 printf("rdintr: recv failed or bad stat %d\n", stat); 806 #endif 807 restart = rderror(unit); 808 #ifdef DEBUG 809 rdstats[unit].rdretries++; 810 #endif 811 if (rdtab[unit].b_errcnt++ < RDRETRY) { 812 if (restart) 813 rdstart(unit); 814 return; 815 } 816 bp->b_flags |= B_ERROR; 817 bp->b_error = EIO; 818 } 819 rdtab[unit].b_errcnt = 0; 820 rdtab[unit].b_actf = bp->b_actf; 821 bp->b_resid = 0; 822 biodone(bp); 823 hpibfree(&rs->sc_dq); 824 if (rdtab[unit].b_actf) 825 rdustart(unit); 826 else 827 rdtab[unit].b_active = 0; 828 } 829 830 rdstatus(rs) 831 register struct rd_softc *rs; 832 { 833 register int c, s; 834 u_char stat; 835 int rv; 836 837 c = rs->sc_hd->hp_ctlr; 838 s = rs->sc_hd->hp_slave; 839 rs->sc_rsc.c_unit = C_SUNIT(rs->sc_punit); 840 rs->sc_rsc.c_sram = C_SRAM; 841 rs->sc_rsc.c_ram = C_RAM; 842 rs->sc_rsc.c_cmd = C_STATUS; 843 bzero((caddr_t)&rs->sc_stat, sizeof(rs->sc_stat)); 844 rv = hpibsend(c, s, C_CMD, &rs->sc_rsc, sizeof(rs->sc_rsc)); 845 if (rv != sizeof(rs->sc_rsc)) { 846 #ifdef DEBUG 847 if (rddebug & RDB_STATUS) 848 printf("rdstatus: send C_CMD failed %d != %d\n", 849 rv, sizeof(rs->sc_rsc)); 850 #endif 851 return(1); 852 } 853 rv = hpibrecv(c, s, C_EXEC, &rs->sc_stat, sizeof(rs->sc_stat)); 854 if (rv != sizeof(rs->sc_stat)) { 855 #ifdef DEBUG 856 if (rddebug & RDB_STATUS) 857 printf("rdstatus: send C_EXEC failed %d != %d\n", 858 rv, sizeof(rs->sc_stat)); 859 #endif 860 return(1); 861 } 862 rv = hpibrecv(c, s, C_QSTAT, &stat, 1); 863 if (rv != 1 || stat) { 864 #ifdef DEBUG 865 if (rddebug & RDB_STATUS) 866 printf("rdstatus: recv failed %d or bad stat %d\n", 867 rv, stat); 868 #endif 869 return(1); 870 } 871 return(0); 872 } 873 874 /* 875 * Deal with errors. 876 * Returns 1 if request should be restarted, 877 * 0 if we should just quietly give up. 878 */ 879 rderror(unit) 880 int unit; 881 { 882 struct rd_softc *rs = &rd_softc[unit]; 883 register struct rd_stat *sp; 884 struct buf *bp; 885 daddr_t hwbn, pbn; 886 887 if (rdstatus(rs)) { 888 #ifdef DEBUG 889 printf("rd%d: couldn't get status\n", unit); 890 #endif 891 rdreset(rs, rs->sc_hd); 892 return(1); 893 } 894 sp = &rs->sc_stat; 895 if (sp->c_fef & FEF_REXMT) 896 return(1); 897 if (sp->c_fef & FEF_PF) { 898 rdreset(rs, rs->sc_hd); 899 return(1); 900 } 901 /* 902 * Unit requests release for internal maintenance. 903 * We just delay awhile and try again later. Use expontially 904 * increasing backoff ala ethernet drivers since we don't really 905 * know how long the maintenance will take. With RDWAITC and 906 * RDRETRY as defined, the range is 1 to 32 seconds. 907 */ 908 if (sp->c_fef & FEF_IMR) { 909 extern int hz; 910 int rdtimo = RDWAITC << rdtab[unit].b_errcnt; 911 #ifdef DEBUG 912 printf("rd%d: internal maintenance, %d second timeout\n", 913 unit, rdtimo); 914 rdstats[unit].rdtimeouts++; 915 #endif 916 hpibfree(&rs->sc_dq); 917 timeout(rdrestart, unit, rdtimo*hz); 918 return(0); 919 } 920 /* 921 * Only report error if we have reached the error reporting 922 * threshhold. By default, this will only report after the 923 * retry limit has been exceeded. 924 */ 925 if (rdtab[unit].b_errcnt < rderrthresh) 926 return(1); 927 928 /* 929 * First conjure up the block number at which the error occured. 930 * Note that not all errors report a block number, in that case 931 * we just use b_blkno. 932 */ 933 bp = rdtab[unit].b_actf; 934 pbn = rs->sc_info->nbpc * 935 rs->sc_info->sizes[rdpart(bp->b_dev)].cyloff; 936 if ((sp->c_fef & FEF_CU) || (sp->c_fef & FEF_DR) || 937 (sp->c_ief & IEF_RRMASK)) { 938 hwbn = RDBTOS(pbn + bp->b_blkno); 939 pbn = bp->b_blkno; 940 } else { 941 hwbn = sp->c_blk; 942 pbn = RDSTOB(hwbn) - pbn; 943 } 944 /* 945 * Now output a generic message suitable for badsect. 946 * Note that we don't use harderr cuz it just prints 947 * out b_blkno which is just the beginning block number 948 * of the transfer, not necessary where the error occured. 949 */ 950 printf("rd%d%c: hard error sn%d\n", 951 rdunit(bp->b_dev), 'a'+rdpart(bp->b_dev), pbn); 952 /* 953 * Now report the status as returned by the hardware with 954 * attempt at interpretation (unless debugging). 955 */ 956 printf("rd%d %s error:", 957 unit, (bp->b_flags & B_READ) ? "read" : "write"); 958 #ifdef DEBUG 959 if (rddebug & RDB_ERROR) { 960 /* status info */ 961 printf("\n volume: %d, unit: %d\n", 962 (sp->c_vu>>4)&0xF, sp->c_vu&0xF); 963 rdprinterr("reject", sp->c_ref, err_reject); 964 rdprinterr("fault", sp->c_fef, err_fault); 965 rdprinterr("access", sp->c_aef, err_access); 966 rdprinterr("info", sp->c_ief, err_info); 967 printf(" block: %d, P1-P10: ", hwbn); 968 printf("%s", hexstr(*(u_int *)&sp->c_raw[0], 8)); 969 printf("%s", hexstr(*(u_int *)&sp->c_raw[4], 8)); 970 printf("%s\n", hexstr(*(u_short *)&sp->c_raw[8], 4)); 971 /* command */ 972 printf(" ioc: "); 973 printf("%s", hexstr(*(u_int *)&rs->sc_ioc.c_pad, 8)); 974 printf("%s", hexstr(*(u_short *)&rs->sc_ioc.c_hiaddr, 4)); 975 printf("%s", hexstr(*(u_int *)&rs->sc_ioc.c_addr, 8)); 976 printf("%s", hexstr(*(u_short *)&rs->sc_ioc.c_nop2, 4)); 977 printf("%s", hexstr(*(u_int *)&rs->sc_ioc.c_len, 8)); 978 printf("%s\n", hexstr(*(u_short *)&rs->sc_ioc.c_cmd, 4)); 979 return(1); 980 } 981 #endif 982 printf(" v%d u%d, R0x%x F0x%x A0x%x I0x%x\n", 983 (sp->c_vu>>4)&0xF, sp->c_vu&0xF, 984 sp->c_ref, sp->c_fef, sp->c_aef, sp->c_ief); 985 printf("P1-P10: "); 986 printf("%s", hexstr(*(u_int *)&sp->c_raw[0], 8)); 987 printf("%s", hexstr(*(u_int *)&sp->c_raw[4], 8)); 988 printf("%s\n", hexstr(*(u_short *)&sp->c_raw[8], 4)); 989 return(1); 990 } 991 992 int 993 rdread(dev, uio, flags) 994 dev_t dev; 995 struct uio *uio; 996 int flags; 997 { 998 register int unit = rdunit(dev); 999 1000 return (physio(rdstrategy, NULL, dev, B_READ, minphys, uio)); 1001 } 1002 1003 int 1004 rdwrite(dev, uio, flags) 1005 dev_t dev; 1006 struct uio *uio; 1007 int flags; 1008 { 1009 register int unit = rdunit(dev); 1010 1011 return (physio(rdstrategy, NULL, dev, B_WRITE, minphys, uio)); 1012 } 1013 1014 int 1015 rdioctl(dev, cmd, data, flag, p) 1016 dev_t dev; 1017 int cmd; 1018 caddr_t data; 1019 int flag; 1020 struct proc *p; 1021 { 1022 return(EINVAL); 1023 } 1024 1025 int 1026 rdsize(dev) 1027 dev_t dev; 1028 { 1029 register int unit = rdunit(dev); 1030 register struct rd_softc *rs = &rd_softc[unit]; 1031 1032 if (unit >= NRD || (rs->sc_flags & RDF_ALIVE) == 0) 1033 return(-1); 1034 return(rs->sc_info->sizes[rdpart(dev)].nblocks); 1035 } 1036 1037 #ifdef DEBUG 1038 rdprinterr(str, err, tab) 1039 char *str; 1040 short err; 1041 char *tab[]; 1042 { 1043 register int i; 1044 int printed; 1045 1046 if (err == 0) 1047 return; 1048 printf(" %s error field:", str, err); 1049 printed = 0; 1050 for (i = 0; i < 16; i++) 1051 if (err & (0x8000 >> i)) 1052 printf("%s%s", printed++ ? " + " : " ", tab[i]); 1053 printf("\n"); 1054 } 1055 #endif 1056 1057 /* 1058 * Non-interrupt driven, non-dma dump routine. 1059 */ 1060 int 1061 rddump(dev) 1062 dev_t dev; 1063 { 1064 int part = rdpart(dev); 1065 int unit = rdunit(dev); 1066 register struct rd_softc *rs = &rd_softc[unit]; 1067 register struct hp_device *hp = rs->sc_hd; 1068 register daddr_t baddr; 1069 register int maddr, pages, i; 1070 char stat; 1071 extern int lowram, dumpsize; 1072 #ifdef DEBUG 1073 extern int pmapdebug; 1074 pmapdebug = 0; 1075 #endif 1076 1077 pages = dumpsize; 1078 #ifdef DEBUG 1079 if (rddebug & RDB_DUMP) 1080 printf("rddump(%x): u %d p %d dumplo %d ram %x pmem %d\n", 1081 dev, unit, part, dumplo, lowram, ctod(pages)); 1082 #endif 1083 /* is drive ok? */ 1084 if (unit >= NRD || (rs->sc_flags & RDF_ALIVE) == 0) 1085 return (ENXIO); 1086 /* HPIB idle? */ 1087 if (!hpibreq(&rs->sc_dq)) { 1088 #ifdef DEBUG 1089 /* is this a safe thing to do?? */ 1090 hpibreset(hp->hp_ctlr); 1091 rdreset(rs, rs->sc_hd); 1092 printf("[ drive %d reset ] ", unit); 1093 #else 1094 return (EFAULT); 1095 #endif 1096 } 1097 /* dump parameters in range? */ 1098 if (dumplo < 0 || dumplo >= rs->sc_info->sizes[part].nblocks) 1099 return (EINVAL); 1100 if (dumplo + ctod(pages) > rs->sc_info->sizes[part].nblocks) 1101 pages = dtoc(rs->sc_info->sizes[part].nblocks - dumplo); 1102 maddr = lowram; 1103 baddr = dumplo + rs->sc_info->nbpc * rs->sc_info->sizes[part].cyloff; 1104 #ifdef DEBUG 1105 if (rddebug & RDB_DUMP) 1106 printf("rddump: dumping %d pages from %x to disk block %d\n", 1107 pages, maddr, baddr); 1108 #endif 1109 for (i = 0; i < pages; i++) { 1110 #ifdef DEBUG 1111 #define NPGMB (1024*1024/NBPG) 1112 /* print out how many Mbs we have dumped */ 1113 if (i && (i % NPGMB) == 0) 1114 printf("%d ", i / NPGMB); 1115 #undef NPBMG 1116 #endif 1117 rs->sc_ioc.c_unit = C_SUNIT(rs->sc_punit); 1118 rs->sc_ioc.c_volume = C_SVOL(0); 1119 rs->sc_ioc.c_saddr = C_SADDR; 1120 rs->sc_ioc.c_hiaddr = 0; 1121 rs->sc_ioc.c_addr = RDBTOS(baddr); 1122 rs->sc_ioc.c_nop2 = C_NOP; 1123 rs->sc_ioc.c_slen = C_SLEN; 1124 rs->sc_ioc.c_len = NBPG; 1125 rs->sc_ioc.c_cmd = C_WRITE; 1126 hpibsend(hp->hp_ctlr, hp->hp_slave, C_CMD, 1127 &rs->sc_ioc.c_unit, sizeof(rs->sc_ioc)-2); 1128 if (hpibswait(hp->hp_ctlr, hp->hp_slave)) { 1129 #ifdef DEBUG 1130 if (rddebug & RDB_DUMP) 1131 printf("rddump: IOC wait timeout\n"); 1132 #endif 1133 return (EIO); 1134 } 1135 pmap_enter(pmap_kernel(), vmmap, maddr, VM_PROT_READ, TRUE); 1136 hpibsend(hp->hp_ctlr, hp->hp_slave, C_EXEC, vmmap, NBPG); 1137 if (hpibswait(hp->hp_ctlr, hp->hp_slave)) { 1138 #ifdef DEBUG 1139 if (rddebug & RDB_DUMP) 1140 printf("rddump: write wait timeout\n"); 1141 #endif 1142 } 1143 hpibrecv(hp->hp_ctlr, hp->hp_slave, C_QSTAT, &stat, 1); 1144 if (stat) { 1145 #ifdef DEBUG 1146 if (rddebug & RDB_DUMP) 1147 printf("rddump: write failed, status %x\n", 1148 stat); 1149 #endif 1150 return (EIO); 1151 } 1152 maddr += NBPG; 1153 baddr += ctod(1); 1154 } 1155 return (0); 1156 } 1157 #endif 1158