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