rd.c revision 1.30
1 /* $NetBSD: rd.c,v 1.30 1997/04/09 20:01:04 thorpej Exp $ */ 2 3 /* 4 * Copyright (c) 1996, 1997 Jason R. Thorpe. All rights reserved. 5 * Copyright (c) 1988 University of Utah. 6 * Copyright (c) 1982, 1990, 1993 7 * The Regents of the University of California. All rights reserved. 8 * 9 * This code is derived from software contributed to Berkeley by 10 * the Systems Programming Group of the University of Utah Computer 11 * Science Department. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 3. All advertising materials mentioning features or use of this software 22 * must display the following acknowledgement: 23 * This product includes software developed by the University of 24 * California, Berkeley and its contributors. 25 * 4. Neither the name of the University nor the names of its contributors 26 * may be used to endorse or promote products derived from this software 27 * without specific prior written permission. 28 * 29 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 30 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 31 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 32 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 33 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 34 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 35 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 36 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 37 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 38 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 39 * SUCH DAMAGE. 40 * 41 * from: Utah $Hdr: rd.c 1.44 92/12/26$ 42 * 43 * @(#)rd.c 8.2 (Berkeley) 5/19/94 44 */ 45 46 /* 47 * CS80/SS80 disk driver 48 */ 49 50 #include <sys/param.h> 51 #include <sys/systm.h> 52 #include <sys/buf.h> 53 #include <sys/conf.h> 54 #include <sys/device.h> 55 #include <sys/disk.h> 56 #include <sys/disklabel.h> 57 #include <sys/fcntl.h> 58 #include <sys/ioctl.h> 59 #include <sys/proc.h> 60 #include <sys/stat.h> 61 62 #include <hp300/dev/hpibvar.h> 63 64 #include <hp300/dev/rdreg.h> 65 #include <hp300/dev/rdvar.h> 66 67 #ifdef USELEDS 68 #include <hp300/hp300/led.h> 69 #endif 70 71 #include <vm/vm_param.h> 72 #include <vm/lock.h> 73 #include <vm/vm_prot.h> 74 #include <vm/pmap.h> 75 76 int rderrthresh = RDRETRY-1; /* when to start reporting errors */ 77 78 #ifdef DEBUG 79 /* error message tables */ 80 char *err_reject[] = { 81 0, 0, 82 "channel parity error", /* 0x2000 */ 83 0, 0, 84 "illegal opcode", /* 0x0400 */ 85 "module addressing", /* 0x0200 */ 86 "address bounds", /* 0x0100 */ 87 "parameter bounds", /* 0x0080 */ 88 "illegal parameter", /* 0x0040 */ 89 "message sequence", /* 0x0020 */ 90 0, 91 "message length", /* 0x0008 */ 92 0, 0, 0 93 }; 94 95 char *err_fault[] = { 96 0, 97 "cross unit", /* 0x4000 */ 98 0, 99 "controller fault", /* 0x1000 */ 100 0, 0, 101 "unit fault", /* 0x0200 */ 102 0, 103 "diagnostic result", /* 0x0080 */ 104 0, 105 "operator release request", /* 0x0020 */ 106 "diagnostic release request", /* 0x0010 */ 107 "internal maintenance release request", /* 0x0008 */ 108 0, 109 "power fail", /* 0x0002 */ 110 "retransmit" /* 0x0001 */ 111 }; 112 113 char *err_access[] = { 114 "illegal parallel operation", /* 0x8000 */ 115 "uninitialized media", /* 0x4000 */ 116 "no spares available", /* 0x2000 */ 117 "not ready", /* 0x1000 */ 118 "write protect", /* 0x0800 */ 119 "no data found", /* 0x0400 */ 120 0, 0, 121 "unrecoverable data overflow", /* 0x0080 */ 122 "unrecoverable data", /* 0x0040 */ 123 0, 124 "end of file", /* 0x0010 */ 125 "end of volume", /* 0x0008 */ 126 0, 0, 0 127 }; 128 129 char *err_info[] = { 130 "operator release request", /* 0x8000 */ 131 "diagnostic release request", /* 0x4000 */ 132 "internal maintenance release request", /* 0x2000 */ 133 "media wear", /* 0x1000 */ 134 "latency induced", /* 0x0800 */ 135 0, 0, 136 "auto sparing invoked", /* 0x0100 */ 137 0, 138 "recoverable data overflow", /* 0x0040 */ 139 "marginal data", /* 0x0020 */ 140 "recoverable data", /* 0x0010 */ 141 0, 142 "maintenance track overflow", /* 0x0004 */ 143 0, 0 144 }; 145 146 int rddebug = 0x80; 147 #define RDB_FOLLOW 0x01 148 #define RDB_STATUS 0x02 149 #define RDB_IDENT 0x04 150 #define RDB_IO 0x08 151 #define RDB_ASYNC 0x10 152 #define RDB_ERROR 0x80 153 #endif 154 155 /* 156 * Misc. HW description, indexed by sc_type. 157 * Nothing really critical here, could do without it. 158 */ 159 struct rdidentinfo rdidentinfo[] = { 160 { RD7946AID, 0, "7945A", NRD7945ABPT, 161 NRD7945ATRK, 968, 108416 }, 162 163 { RD9134DID, 1, "9134D", NRD9134DBPT, 164 NRD9134DTRK, 303, 29088 }, 165 166 { RD9134LID, 1, "9122S", NRD9122SBPT, 167 NRD9122STRK, 77, 1232 }, 168 169 { RD7912PID, 0, "7912P", NRD7912PBPT, 170 NRD7912PTRK, 572, 128128 }, 171 172 { RD7914PID, 0, "7914P", NRD7914PBPT, 173 NRD7914PTRK, 1152, 258048 }, 174 175 { RD7958AID, 0, "7958A", NRD7958ABPT, 176 NRD7958ATRK, 1013, 255276 }, 177 178 { RD7957AID, 0, "7957A", NRD7957ABPT, 179 NRD7957ATRK, 1036, 159544 }, 180 181 { RD7933HID, 0, "7933H", NRD7933HBPT, 182 NRD7933HTRK, 1321, 789958 }, 183 184 { RD9134LID, 1, "9134L", NRD9134LBPT, 185 NRD9134LTRK, 973, 77840 }, 186 187 { RD7936HID, 0, "7936H", NRD7936HBPT, 188 NRD7936HTRK, 698, 600978 }, 189 190 { RD7937HID, 0, "7937H", NRD7937HBPT, 191 NRD7937HTRK, 698, 1116102 }, 192 193 { RD7914CTID, 0, "7914CT", NRD7914PBPT, 194 NRD7914PTRK, 1152, 258048 }, 195 196 { RD7946AID, 0, "7946A", NRD7945ABPT, 197 NRD7945ATRK, 968, 108416 }, 198 199 { RD9134LID, 1, "9122D", NRD9122SBPT, 200 NRD9122STRK, 77, 1232 }, 201 202 { RD7957BID, 0, "7957B", NRD7957BBPT, 203 NRD7957BTRK, 1269, 159894 }, 204 205 { RD7958BID, 0, "7958B", NRD7958BBPT, 206 NRD7958BTRK, 786, 297108 }, 207 208 { RD7959BID, 0, "7959B", NRD7959BBPT, 209 NRD7959BTRK, 1572, 594216 }, 210 211 { RD2200AID, 0, "2200A", NRD2200ABPT, 212 NRD2200ATRK, 1449, 654948 }, 213 214 { RD2203AID, 0, "2203A", NRD2203ABPT, 215 NRD2203ATRK, 1449, 1309896 } 216 }; 217 int numrdidentinfo = sizeof(rdidentinfo) / sizeof(rdidentinfo[0]); 218 219 bdev_decl(rd); 220 cdev_decl(rd); 221 222 int rdident __P((struct device *, struct rd_softc *, 223 struct hpibbus_attach_args *)); 224 void rdreset __P((struct rd_softc *)); 225 void rdustart __P((struct rd_softc *)); 226 int rdgetinfo __P((dev_t)); 227 void rdrestart __P((void *)); 228 struct buf *rdfinish __P((struct rd_softc *, struct buf *)); 229 230 void rdrestart __P((void *)); 231 void rdustart __P((struct rd_softc *)); 232 struct buf *rdfinish __P((struct rd_softc *, struct buf *)); 233 void rdstart __P((void *)); 234 void rdgo __P((void *)); 235 void rdintr __P((void *)); 236 int rdstatus __P((struct rd_softc *)); 237 int rderror __P((int)); 238 #ifdef DEBUG 239 void rdprinterr __P((char *, short, char **)); 240 #endif 241 242 int rdmatch __P((struct device *, struct cfdata *, void *)); 243 void rdattach __P((struct device *, struct device *, void *)); 244 245 struct cfattach rd_ca = { 246 sizeof(struct rd_softc), rdmatch, rdattach 247 }; 248 249 struct cfdriver rd_cd = { 250 NULL, "rd", DV_DISK 251 }; 252 253 int 254 rdmatch(parent, match, aux) 255 struct device *parent; 256 struct cfdata *match; 257 void *aux; 258 { 259 struct hpibbus_attach_args *ha = aux; 260 261 /* 262 * Set punit if operator specified one in the kernel 263 * configuration file. 264 */ 265 if (match->hpibbuscf_punit != HPIBBUS_PUNIT_UNK && 266 match->hpibbuscf_punit < HPIB_NPUNITS) 267 ha->ha_punit = match->hpibbuscf_punit; 268 269 if (rdident(parent, NULL, ha) == 0) { 270 /* 271 * XXX Some aging HP-IB drives are slow to 272 * XXX respond; give them a chance to catch 273 * XXX up and probe them again. 274 */ 275 delay(10000); 276 ha->ha_id = hpibid(parent->dv_unit, ha->ha_slave); 277 return (rdident(parent, NULL, ha)); 278 } 279 return (1); 280 } 281 282 void 283 rdattach(parent, self, aux) 284 struct device *parent, *self; 285 void *aux; 286 { 287 struct rd_softc *sc = (struct rd_softc *)self; 288 struct hpibbus_attach_args *ha = aux; 289 290 if (rdident(parent, sc, ha) == 0) { 291 printf("\n%s: didn't respond to describe command!\n", 292 sc->sc_dev.dv_xname); 293 return; 294 } 295 296 /* 297 * Initialize and attach the disk structure. 298 */ 299 bzero(&sc->sc_dkdev, sizeof(sc->sc_dkdev)); 300 sc->sc_dkdev.dk_name = sc->sc_dev.dv_xname; 301 disk_attach(&sc->sc_dkdev); 302 303 sc->sc_slave = ha->ha_slave; 304 sc->sc_punit = ha->ha_punit; 305 306 /* Initialize the hpib job queue entry */ 307 sc->sc_hq.hq_softc = sc; 308 sc->sc_hq.hq_slave = sc->sc_slave; 309 sc->sc_hq.hq_start = rdstart; 310 sc->sc_hq.hq_go = rdgo; 311 sc->sc_hq.hq_intr = rdintr; 312 313 sc->sc_flags = RDF_ALIVE; 314 #ifdef DEBUG 315 /* always report errors */ 316 if (rddebug & RDB_ERROR) 317 rderrthresh = 0; 318 #endif 319 } 320 321 int 322 rdident(parent, sc, ha) 323 struct device *parent; 324 struct rd_softc *sc; 325 struct hpibbus_attach_args *ha; 326 { 327 struct rd_describe *desc = sc != NULL ? &sc->sc_rddesc : NULL; 328 u_char stat, cmd[3]; 329 char name[7]; 330 int i, id, n, ctlr, slave; 331 332 ctlr = parent->dv_unit; 333 slave = ha->ha_slave; 334 335 /* Verify that we have a CS80 device. */ 336 if ((ha->ha_id & 0x200) == 0) 337 return (0); 338 339 /* Is it one of the disks we support? */ 340 for (id = 0; id < numrdidentinfo; id++) 341 if (ha->ha_id == rdidentinfo[id].ri_hwid) 342 break; 343 if (id == numrdidentinfo || ha->ha_punit > rdidentinfo[id].ri_maxunum) 344 return (0); 345 346 /* 347 * If we're just probing for the device, that's all the 348 * work we need to do. 349 */ 350 if (sc == NULL) 351 return (1); 352 353 /* 354 * Reset device and collect description 355 */ 356 rdreset(sc); 357 cmd[0] = C_SUNIT(ha->ha_punit); 358 cmd[1] = C_SVOL(0); 359 cmd[2] = C_DESC; 360 hpibsend(ctlr, slave, C_CMD, cmd, sizeof(cmd)); 361 hpibrecv(ctlr, slave, C_EXEC, desc, 37); 362 hpibrecv(ctlr, slave, C_QSTAT, &stat, sizeof(stat)); 363 bzero(name, sizeof(name)); 364 if (stat == 0) { 365 n = desc->d_name; 366 for (i = 5; i >= 0; i--) { 367 name[i] = (n & 0xf) + '0'; 368 n >>= 4; 369 } 370 } 371 372 #ifdef DEBUG 373 if (rddebug & RDB_IDENT) { 374 printf("\n%s: name: %x ('%s')\n", 375 sc->sc_dev.dv_xname, desc->d_name, name); 376 printf(" iuw %x, maxxfr %d, ctype %d\n", 377 desc->d_iuw, desc->d_cmaxxfr, desc->d_ctype); 378 printf(" utype %d, bps %d, blkbuf %d, burst %d, blktime %d\n", 379 desc->d_utype, desc->d_sectsize, 380 desc->d_blkbuf, desc->d_burstsize, desc->d_blocktime); 381 printf(" avxfr %d, ort %d, atp %d, maxint %d, fv %x, rv %x\n", 382 desc->d_uavexfr, desc->d_retry, desc->d_access, 383 desc->d_maxint, desc->d_fvbyte, desc->d_rvbyte); 384 printf(" maxcyl/head/sect %d/%d/%d, maxvsect %d, inter %d\n", 385 desc->d_maxcyl, desc->d_maxhead, desc->d_maxsect, 386 desc->d_maxvsectl, desc->d_interleave); 387 printf("%s", sc->sc_dev.dv_xname); 388 } 389 #endif 390 391 /* 392 * Take care of a couple of anomolies: 393 * 1. 7945A and 7946A both return same HW id 394 * 2. 9122S and 9134D both return same HW id 395 * 3. 9122D and 9134L both return same HW id 396 */ 397 switch (ha->ha_id) { 398 case RD7946AID: 399 if (bcmp(name, "079450", 6) == 0) 400 id = RD7945A; 401 else 402 id = RD7946A; 403 break; 404 405 case RD9134LID: 406 if (bcmp(name, "091340", 6) == 0) 407 id = RD9134L; 408 else 409 id = RD9122D; 410 break; 411 412 case RD9134DID: 413 if (bcmp(name, "091220", 6) == 0) 414 id = RD9122S; 415 else 416 id = RD9134D; 417 break; 418 } 419 420 sc->sc_type = id; 421 422 /* 423 * XXX We use DEV_BSIZE instead of the sector size value pulled 424 * XXX off the driver because all of this code assumes 512 byte 425 * XXX blocks. ICK! 426 */ 427 printf(": %s\n", rdidentinfo[id].ri_desc); 428 printf("%s: %d cylinders, %d heads, %d blocks, %d bytes/block\n", 429 sc->sc_dev.dv_xname, rdidentinfo[id].ri_ncyl, 430 rdidentinfo[id].ri_ntpc, rdidentinfo[id].ri_nblocks, 431 DEV_BSIZE); 432 433 return (1); 434 } 435 436 void 437 rdreset(rs) 438 struct rd_softc *rs; 439 { 440 int ctlr = rs->sc_dev.dv_parent->dv_unit; 441 int slave = rs->sc_slave; 442 u_char stat; 443 444 rs->sc_clear.c_unit = C_SUNIT(rs->sc_punit); 445 rs->sc_clear.c_cmd = C_CLEAR; 446 hpibsend(ctlr, slave, C_TCMD, &rs->sc_clear, sizeof(rs->sc_clear)); 447 hpibswait(ctlr, slave); 448 hpibrecv(ctlr, slave, C_QSTAT, &stat, sizeof(stat)); 449 450 rs->sc_src.c_unit = C_SUNIT(RDCTLR); 451 rs->sc_src.c_nop = C_NOP; 452 rs->sc_src.c_cmd = C_SREL; 453 rs->sc_src.c_param = C_REL; 454 hpibsend(ctlr, slave, C_CMD, &rs->sc_src, sizeof(rs->sc_src)); 455 hpibswait(ctlr, slave); 456 hpibrecv(ctlr, slave, C_QSTAT, &stat, sizeof(stat)); 457 458 rs->sc_ssmc.c_unit = C_SUNIT(rs->sc_punit); 459 rs->sc_ssmc.c_cmd = C_SSM; 460 rs->sc_ssmc.c_refm = REF_MASK; 461 rs->sc_ssmc.c_fefm = FEF_MASK; 462 rs->sc_ssmc.c_aefm = AEF_MASK; 463 rs->sc_ssmc.c_iefm = IEF_MASK; 464 hpibsend(ctlr, slave, C_CMD, &rs->sc_ssmc, sizeof(rs->sc_ssmc)); 465 hpibswait(ctlr, slave); 466 hpibrecv(ctlr, slave, C_QSTAT, &stat, sizeof(stat)); 467 #ifdef DEBUG 468 rs->sc_stats.rdresets++; 469 #endif 470 } 471 472 /* 473 * Read or constuct a disklabel 474 */ 475 int 476 rdgetinfo(dev) 477 dev_t dev; 478 { 479 int unit = rdunit(dev); 480 struct rd_softc *rs = rd_cd.cd_devs[unit]; 481 struct disklabel *lp = rs->sc_dkdev.dk_label; 482 struct partition *pi; 483 char *msg; 484 485 /* 486 * Set some default values to use while reading the label 487 * or to use if there isn't a label. 488 */ 489 bzero((caddr_t)lp, sizeof *lp); 490 lp->d_type = DTYPE_HPIB; 491 lp->d_secsize = DEV_BSIZE; 492 lp->d_nsectors = 32; 493 lp->d_ntracks = 20; 494 lp->d_ncylinders = 1; 495 lp->d_secpercyl = 32*20; 496 lp->d_npartitions = 3; 497 lp->d_partitions[2].p_offset = 0; 498 lp->d_partitions[2].p_size = LABELSECTOR+1; 499 500 /* 501 * Now try to read the disklabel 502 */ 503 msg = readdisklabel(rdlabdev(dev), rdstrategy, lp, NULL); 504 if (msg == NULL) 505 return (0); 506 507 pi = lp->d_partitions; 508 printf("%s: WARNING: %s, ", rs->sc_dev.dv_xname, msg); 509 #ifdef COMPAT_NOLABEL 510 printf("using old default partitioning\n"); 511 rdmakedisklabel(unit, lp); 512 #else 513 printf("defining `c' partition as entire disk\n"); 514 pi[2].p_size = rdidentinfo[rs->sc_type].ri_nblocks; 515 /* XXX reset other info since readdisklabel screws with it */ 516 lp->d_npartitions = 3; 517 pi[0].p_size = 0; 518 #endif 519 return(0); 520 } 521 522 int 523 rdopen(dev, flags, mode, p) 524 dev_t dev; 525 int flags, mode; 526 struct proc *p; 527 { 528 int unit = rdunit(dev); 529 struct rd_softc *rs; 530 int error, mask, part; 531 532 if (unit >= rd_cd.cd_ndevs || 533 (rs = rd_cd.cd_devs[unit]) == NULL || 534 (rs->sc_flags & RDF_ALIVE) == 0) 535 return (ENXIO); 536 537 /* 538 * Wait for any pending opens/closes to complete 539 */ 540 while (rs->sc_flags & (RDF_OPENING|RDF_CLOSING)) 541 sleep((caddr_t)rs, PRIBIO); 542 543 /* 544 * On first open, get label and partition info. 545 * We may block reading the label, so be careful 546 * to stop any other opens. 547 */ 548 if (rs->sc_dkdev.dk_openmask == 0) { 549 rs->sc_flags |= RDF_OPENING; 550 error = rdgetinfo(dev); 551 rs->sc_flags &= ~RDF_OPENING; 552 wakeup((caddr_t)rs); 553 if (error) 554 return(error); 555 } 556 557 part = rdpart(dev); 558 mask = 1 << part; 559 560 /* Check that the partition exists. */ 561 if (part != RAW_PART && 562 (part > rs->sc_dkdev.dk_label->d_npartitions || 563 rs->sc_dkdev.dk_label->d_partitions[part].p_fstype == FS_UNUSED)) 564 return (ENXIO); 565 566 /* Ensure only one open at a time. */ 567 switch (mode) { 568 case S_IFCHR: 569 rs->sc_dkdev.dk_copenmask |= mask; 570 break; 571 case S_IFBLK: 572 rs->sc_dkdev.dk_bopenmask |= mask; 573 break; 574 } 575 rs->sc_dkdev.dk_openmask = 576 rs->sc_dkdev.dk_copenmask | rs->sc_dkdev.dk_bopenmask; 577 578 return(0); 579 } 580 581 int 582 rdclose(dev, flag, mode, p) 583 dev_t dev; 584 int flag, mode; 585 struct proc *p; 586 { 587 int unit = rdunit(dev); 588 struct rd_softc *rs = rd_cd.cd_devs[unit]; 589 struct disk *dk = &rs->sc_dkdev; 590 int mask, s; 591 592 mask = 1 << rdpart(dev); 593 if (mode == S_IFCHR) 594 dk->dk_copenmask &= ~mask; 595 else 596 dk->dk_bopenmask &= ~mask; 597 dk->dk_openmask = dk->dk_copenmask | dk->dk_bopenmask; 598 /* 599 * On last close, we wait for all activity to cease since 600 * the label/parition info will become invalid. Since we 601 * might sleep, we must block any opens while we are here. 602 * Note we don't have to about other closes since we know 603 * we are the last one. 604 */ 605 if (dk->dk_openmask == 0) { 606 rs->sc_flags |= RDF_CLOSING; 607 s = splbio(); 608 while (rs->sc_tab.b_active) { 609 rs->sc_flags |= RDF_WANTED; 610 sleep((caddr_t)&rs->sc_tab, PRIBIO); 611 } 612 splx(s); 613 rs->sc_flags &= ~(RDF_CLOSING|RDF_WLABEL); 614 wakeup((caddr_t)rs); 615 } 616 return(0); 617 } 618 619 void 620 rdstrategy(bp) 621 struct buf *bp; 622 { 623 int unit = rdunit(bp->b_dev); 624 struct rd_softc *rs = rd_cd.cd_devs[unit]; 625 struct buf *dp = &rs->sc_tab; 626 struct partition *pinfo; 627 daddr_t bn; 628 int sz, s; 629 int offset; 630 631 #ifdef DEBUG 632 if (rddebug & RDB_FOLLOW) 633 printf("rdstrategy(%p): dev %x, bn %x, bcount %lx, %c\n", 634 bp, bp->b_dev, bp->b_blkno, bp->b_bcount, 635 (bp->b_flags & B_READ) ? 'R' : 'W'); 636 #endif 637 bn = bp->b_blkno; 638 sz = howmany(bp->b_bcount, DEV_BSIZE); 639 pinfo = &rs->sc_dkdev.dk_label->d_partitions[rdpart(bp->b_dev)]; 640 641 /* Don't perform partition translation on RAW_PART. */ 642 offset = (rdpart(bp->b_dev) == RAW_PART) ? 0 : pinfo->p_offset; 643 644 if (rdpart(bp->b_dev) != RAW_PART) { 645 /* 646 * XXX This block of code belongs in 647 * XXX bounds_check_with_label() 648 */ 649 650 if (bn < 0 || bn + sz > pinfo->p_size) { 651 sz = pinfo->p_size - bn; 652 if (sz == 0) { 653 bp->b_resid = bp->b_bcount; 654 goto done; 655 } 656 if (sz < 0) { 657 bp->b_error = EINVAL; 658 goto bad; 659 } 660 bp->b_bcount = dbtob(sz); 661 } 662 /* 663 * Check for write to write protected label 664 */ 665 if (bn + offset <= LABELSECTOR && 666 #if LABELSECTOR != 0 667 bn + offset + sz > LABELSECTOR && 668 #endif 669 !(bp->b_flags & B_READ) && !(rs->sc_flags & RDF_WLABEL)) { 670 bp->b_error = EROFS; 671 goto bad; 672 } 673 } 674 bp->b_cylin = bn + offset; 675 s = splbio(); 676 disksort(dp, bp); 677 if (dp->b_active == 0) { 678 dp->b_active = 1; 679 rdustart(rs); 680 } 681 splx(s); 682 return; 683 bad: 684 bp->b_flags |= B_ERROR; 685 done: 686 biodone(bp); 687 } 688 689 /* 690 * Called from timeout() when handling maintenance releases 691 */ 692 void 693 rdrestart(arg) 694 void *arg; 695 { 696 int s = splbio(); 697 rdustart((struct rd_softc *)arg); 698 splx(s); 699 } 700 701 void 702 rdustart(rs) 703 struct rd_softc *rs; 704 { 705 struct buf *bp; 706 707 bp = rs->sc_tab.b_actf; 708 rs->sc_addr = bp->b_un.b_addr; 709 rs->sc_resid = bp->b_bcount; 710 if (hpibreq(rs->sc_dev.dv_parent, &rs->sc_hq)) 711 rdstart(rs); 712 } 713 714 struct buf * 715 rdfinish(rs, bp) 716 struct rd_softc *rs; 717 struct buf *bp; 718 { 719 struct buf *dp = &rs->sc_tab; 720 721 dp->b_errcnt = 0; 722 dp->b_actf = bp->b_actf; 723 bp->b_resid = 0; 724 biodone(bp); 725 hpibfree(rs->sc_dev.dv_parent, &rs->sc_hq); 726 if (dp->b_actf) 727 return (dp->b_actf); 728 dp->b_active = 0; 729 if (rs->sc_flags & RDF_WANTED) { 730 rs->sc_flags &= ~RDF_WANTED; 731 wakeup((caddr_t)dp); 732 } 733 return (NULL); 734 } 735 736 void 737 rdstart(arg) 738 void *arg; 739 { 740 struct rd_softc *rs = arg; 741 struct buf *bp = rs->sc_tab.b_actf; 742 int part, ctlr, slave; 743 744 ctlr = rs->sc_dev.dv_parent->dv_unit; 745 slave = rs->sc_slave; 746 747 again: 748 #ifdef DEBUG 749 if (rddebug & RDB_FOLLOW) 750 printf("rdstart(%s): bp %p, %c\n", rs->sc_dev.dv_xname, bp, 751 (bp->b_flags & B_READ) ? 'R' : 'W'); 752 #endif 753 part = rdpart(bp->b_dev); 754 rs->sc_flags |= RDF_SEEK; 755 rs->sc_ioc.c_unit = C_SUNIT(rs->sc_punit); 756 rs->sc_ioc.c_volume = C_SVOL(0); 757 rs->sc_ioc.c_saddr = C_SADDR; 758 rs->sc_ioc.c_hiaddr = 0; 759 rs->sc_ioc.c_addr = RDBTOS(bp->b_cylin); 760 rs->sc_ioc.c_nop2 = C_NOP; 761 rs->sc_ioc.c_slen = C_SLEN; 762 rs->sc_ioc.c_len = rs->sc_resid; 763 rs->sc_ioc.c_cmd = bp->b_flags & B_READ ? C_READ : C_WRITE; 764 #ifdef DEBUG 765 if (rddebug & RDB_IO) 766 printf("rdstart: hpibsend(%x, %x, %x, %p, %x)\n", 767 ctlr, slave, C_CMD, 768 &rs->sc_ioc.c_unit, sizeof(rs->sc_ioc)-2); 769 #endif 770 if (hpibsend(ctlr, slave, C_CMD, &rs->sc_ioc.c_unit, 771 sizeof(rs->sc_ioc)-2) == sizeof(rs->sc_ioc)-2) { 772 773 /* Instrumentation. */ 774 disk_busy(&rs->sc_dkdev); 775 rs->sc_dkdev.dk_seek++; 776 777 #ifdef DEBUG 778 if (rddebug & RDB_IO) 779 printf("rdstart: hpibawait(%x)\n", ctlr); 780 #endif 781 hpibawait(ctlr); 782 return; 783 } 784 /* 785 * Experience has shown that the hpibwait in this hpibsend will 786 * occasionally timeout. It appears to occur mostly on old 7914 787 * drives with full maintenance tracks. We should probably 788 * integrate this with the backoff code in rderror. 789 */ 790 #ifdef DEBUG 791 if (rddebug & RDB_ERROR) 792 printf("%s: rdstart: cmd %x adr %lx blk %d len %d ecnt %ld\n", 793 rs->sc_dev.dv_xname, rs->sc_ioc.c_cmd, rs->sc_ioc.c_addr, 794 bp->b_blkno, rs->sc_resid, rs->sc_tab.b_errcnt); 795 rs->sc_stats.rdretries++; 796 #endif 797 rs->sc_flags &= ~RDF_SEEK; 798 rdreset(rs); 799 if (rs->sc_tab.b_errcnt++ < RDRETRY) 800 goto again; 801 printf("%s: rdstart err: cmd 0x%x sect %ld blk %d len %d\n", 802 rs->sc_dev.dv_xname, rs->sc_ioc.c_cmd, rs->sc_ioc.c_addr, 803 bp->b_blkno, rs->sc_resid); 804 bp->b_flags |= B_ERROR; 805 bp->b_error = EIO; 806 bp = rdfinish(rs, bp); 807 if (bp) { 808 rs->sc_addr = bp->b_un.b_addr; 809 rs->sc_resid = bp->b_bcount; 810 if (hpibreq(rs->sc_dev.dv_parent, &rs->sc_hq)) 811 goto again; 812 } 813 } 814 815 void 816 rdgo(arg) 817 void *arg; 818 { 819 struct rd_softc *rs = arg; 820 struct buf *bp = rs->sc_tab.b_actf; 821 int rw, ctlr, slave; 822 823 ctlr = rs->sc_dev.dv_parent->dv_unit; 824 slave = rs->sc_slave; 825 826 rw = bp->b_flags & B_READ; 827 828 /* Instrumentation. */ 829 disk_busy(&rs->sc_dkdev); 830 831 #ifdef USELEDS 832 if (inledcontrol == 0) 833 ledcontrol(0, 0, LED_DISK); 834 #endif 835 hpibgo(ctlr, slave, C_EXEC, rs->sc_addr, rs->sc_resid, rw, rw != 0); 836 } 837 838 /* ARGSUSED */ 839 void 840 rdintr(arg) 841 void *arg; 842 { 843 struct rd_softc *rs = arg; 844 int unit = rs->sc_dev.dv_unit; 845 struct buf *bp = rs->sc_tab.b_actf; 846 u_char stat = 13; /* in case hpibrecv fails */ 847 int rv, restart, ctlr, slave; 848 849 ctlr = rs->sc_dev.dv_parent->dv_unit; 850 slave = rs->sc_slave; 851 852 #ifdef DEBUG 853 if (rddebug & RDB_FOLLOW) 854 printf("rdintr(%d): bp %p, %c, flags %x\n", unit, bp, 855 (bp->b_flags & B_READ) ? 'R' : 'W', rs->sc_flags); 856 if (bp == NULL) { 857 printf("%s: bp == NULL\n", rs->sc_dev.dv_xname); 858 return; 859 } 860 #endif 861 disk_unbusy(&rs->sc_dkdev, (bp->b_bcount - bp->b_resid)); 862 863 if (rs->sc_flags & RDF_SEEK) { 864 rs->sc_flags &= ~RDF_SEEK; 865 if (hpibustart(ctlr)) 866 rdgo(rs); 867 return; 868 } 869 if ((rs->sc_flags & RDF_SWAIT) == 0) { 870 #ifdef DEBUG 871 rs->sc_stats.rdpolltries++; 872 #endif 873 if (hpibpptest(ctlr, slave) == 0) { 874 #ifdef DEBUG 875 rs->sc_stats.rdpollwaits++; 876 #endif 877 878 /* Instrumentation. */ 879 disk_busy(&rs->sc_dkdev); 880 rs->sc_flags |= RDF_SWAIT; 881 hpibawait(ctlr); 882 return; 883 } 884 } else 885 rs->sc_flags &= ~RDF_SWAIT; 886 rv = hpibrecv(ctlr, slave, C_QSTAT, &stat, 1); 887 if (rv != 1 || stat) { 888 #ifdef DEBUG 889 if (rddebug & RDB_ERROR) 890 printf("rdintr: recv failed or bad stat %d\n", stat); 891 #endif 892 restart = rderror(unit); 893 #ifdef DEBUG 894 rs->sc_stats.rdretries++; 895 #endif 896 if (rs->sc_tab.b_errcnt++ < RDRETRY) { 897 if (restart) 898 rdstart(rs); 899 return; 900 } 901 bp->b_flags |= B_ERROR; 902 bp->b_error = EIO; 903 } 904 if (rdfinish(rs, bp)) 905 rdustart(rs); 906 } 907 908 int 909 rdstatus(rs) 910 struct rd_softc *rs; 911 { 912 int c, s; 913 u_char stat; 914 int rv; 915 916 c = rs->sc_dev.dv_parent->dv_unit; 917 s = rs->sc_slave; 918 rs->sc_rsc.c_unit = C_SUNIT(rs->sc_punit); 919 rs->sc_rsc.c_sram = C_SRAM; 920 rs->sc_rsc.c_ram = C_RAM; 921 rs->sc_rsc.c_cmd = C_STATUS; 922 bzero((caddr_t)&rs->sc_stat, sizeof(rs->sc_stat)); 923 rv = hpibsend(c, s, C_CMD, &rs->sc_rsc, sizeof(rs->sc_rsc)); 924 if (rv != sizeof(rs->sc_rsc)) { 925 #ifdef DEBUG 926 if (rddebug & RDB_STATUS) 927 printf("rdstatus: send C_CMD failed %d != %d\n", 928 rv, sizeof(rs->sc_rsc)); 929 #endif 930 return(1); 931 } 932 rv = hpibrecv(c, s, C_EXEC, &rs->sc_stat, sizeof(rs->sc_stat)); 933 if (rv != sizeof(rs->sc_stat)) { 934 #ifdef DEBUG 935 if (rddebug & RDB_STATUS) 936 printf("rdstatus: send C_EXEC failed %d != %d\n", 937 rv, sizeof(rs->sc_stat)); 938 #endif 939 return(1); 940 } 941 rv = hpibrecv(c, s, C_QSTAT, &stat, 1); 942 if (rv != 1 || stat) { 943 #ifdef DEBUG 944 if (rddebug & RDB_STATUS) 945 printf("rdstatus: recv failed %d or bad stat %d\n", 946 rv, stat); 947 #endif 948 return(1); 949 } 950 return(0); 951 } 952 953 /* 954 * Deal with errors. 955 * Returns 1 if request should be restarted, 956 * 0 if we should just quietly give up. 957 */ 958 int 959 rderror(unit) 960 int unit; 961 { 962 struct rd_softc *rs = rd_cd.cd_devs[unit]; 963 struct rd_stat *sp; 964 struct buf *bp; 965 daddr_t hwbn, pbn; 966 char *hexstr __P((int, int)); /* XXX */ 967 968 if (rdstatus(rs)) { 969 #ifdef DEBUG 970 printf("%s: couldn't get status\n", rs->sc_dev.dv_xname); 971 #endif 972 rdreset(rs); 973 return(1); 974 } 975 sp = &rs->sc_stat; 976 if (sp->c_fef & FEF_REXMT) 977 return(1); 978 if (sp->c_fef & FEF_PF) { 979 rdreset(rs); 980 return(1); 981 } 982 /* 983 * Unit requests release for internal maintenance. 984 * We just delay awhile and try again later. Use expontially 985 * increasing backoff ala ethernet drivers since we don't really 986 * know how long the maintenance will take. With RDWAITC and 987 * RDRETRY as defined, the range is 1 to 32 seconds. 988 */ 989 if (sp->c_fef & FEF_IMR) { 990 extern int hz; 991 int rdtimo = RDWAITC << rs->sc_tab.b_errcnt; 992 #ifdef DEBUG 993 printf("%s: internal maintenance, %d second timeout\n", 994 rs->sc_dev.dv_xname, rdtimo); 995 rs->sc_stats.rdtimeouts++; 996 #endif 997 hpibfree(rs->sc_dev.dv_parent, &rs->sc_hq); 998 timeout(rdrestart, rs, rdtimo * hz); 999 return(0); 1000 } 1001 /* 1002 * Only report error if we have reached the error reporting 1003 * threshhold. By default, this will only report after the 1004 * retry limit has been exceeded. 1005 */ 1006 if (rs->sc_tab.b_errcnt < rderrthresh) 1007 return(1); 1008 1009 /* 1010 * First conjure up the block number at which the error occured. 1011 * Note that not all errors report a block number, in that case 1012 * we just use b_blkno. 1013 */ 1014 bp = rs->sc_tab.b_actf; 1015 pbn = rs->sc_dkdev.dk_label->d_partitions[rdpart(bp->b_dev)].p_offset; 1016 if ((sp->c_fef & FEF_CU) || (sp->c_fef & FEF_DR) || 1017 (sp->c_ief & IEF_RRMASK)) { 1018 hwbn = RDBTOS(pbn + bp->b_blkno); 1019 pbn = bp->b_blkno; 1020 } else { 1021 hwbn = sp->c_blk; 1022 pbn = RDSTOB(hwbn) - pbn; 1023 } 1024 /* 1025 * Now output a generic message suitable for badsect. 1026 * Note that we don't use harderr cuz it just prints 1027 * out b_blkno which is just the beginning block number 1028 * of the transfer, not necessary where the error occured. 1029 */ 1030 printf("%s%c: hard error sn%d\n", rs->sc_dev.dv_xname, 1031 'a'+rdpart(bp->b_dev), pbn); 1032 /* 1033 * Now report the status as returned by the hardware with 1034 * attempt at interpretation (unless debugging). 1035 */ 1036 printf("%s %s error:", rs->sc_dev.dv_xname, 1037 (bp->b_flags & B_READ) ? "read" : "write"); 1038 #ifdef DEBUG 1039 if (rddebug & RDB_ERROR) { 1040 /* status info */ 1041 printf("\n volume: %d, unit: %d\n", 1042 (sp->c_vu>>4)&0xF, sp->c_vu&0xF); 1043 rdprinterr("reject", sp->c_ref, err_reject); 1044 rdprinterr("fault", sp->c_fef, err_fault); 1045 rdprinterr("access", sp->c_aef, err_access); 1046 rdprinterr("info", sp->c_ief, err_info); 1047 printf(" block: %d, P1-P10: ", hwbn); 1048 printf("0x%x", *(u_int *)&sp->c_raw[0]); 1049 printf("0x%x", *(u_int *)&sp->c_raw[4]); 1050 printf("0x%x\n", *(u_short *)&sp->c_raw[8]); 1051 /* command */ 1052 printf(" ioc: "); 1053 printf("0x%x", *(u_int *)&rs->sc_ioc.c_pad); 1054 printf("0x%x", *(u_short *)&rs->sc_ioc.c_hiaddr); 1055 printf("0x%x", *(u_int *)&rs->sc_ioc.c_addr); 1056 printf("0x%x", *(u_short *)&rs->sc_ioc.c_nop2); 1057 printf("0x%x", *(u_int *)&rs->sc_ioc.c_len); 1058 printf("0x%x\n", *(u_short *)&rs->sc_ioc.c_cmd); 1059 return(1); 1060 } 1061 #endif 1062 printf(" v%d u%d, R0x%x F0x%x A0x%x I0x%x\n", 1063 (sp->c_vu>>4)&0xF, sp->c_vu&0xF, 1064 sp->c_ref, sp->c_fef, sp->c_aef, sp->c_ief); 1065 printf("P1-P10: "); 1066 printf("0x%x", *(u_int *)&sp->c_raw[0]); 1067 printf("0x%x", *(u_int *)&sp->c_raw[4]); 1068 printf("0x%x\n", *(u_short *)&sp->c_raw[8]); 1069 return(1); 1070 } 1071 1072 int 1073 rdread(dev, uio, flags) 1074 dev_t dev; 1075 struct uio *uio; 1076 int flags; 1077 { 1078 1079 return (physio(rdstrategy, NULL, dev, B_READ, minphys, uio)); 1080 } 1081 1082 int 1083 rdwrite(dev, uio, flags) 1084 dev_t dev; 1085 struct uio *uio; 1086 int flags; 1087 { 1088 1089 return (physio(rdstrategy, NULL, dev, B_WRITE, minphys, uio)); 1090 } 1091 1092 int 1093 rdioctl(dev, cmd, data, flag, p) 1094 dev_t dev; 1095 u_long cmd; 1096 caddr_t data; 1097 int flag; 1098 struct proc *p; 1099 { 1100 int unit = rdunit(dev); 1101 struct rd_softc *sc = rd_cd.cd_devs[unit]; 1102 struct disklabel *lp = sc->sc_dkdev.dk_label; 1103 int error, flags; 1104 1105 switch (cmd) { 1106 case DIOCGDINFO: 1107 *(struct disklabel *)data = *lp; 1108 return (0); 1109 1110 case DIOCGPART: 1111 ((struct partinfo *)data)->disklab = lp; 1112 ((struct partinfo *)data)->part = 1113 &lp->d_partitions[rdpart(dev)]; 1114 return (0); 1115 1116 case DIOCWLABEL: 1117 if ((flag & FWRITE) == 0) 1118 return (EBADF); 1119 if (*(int *)data) 1120 sc->sc_flags |= RDF_WLABEL; 1121 else 1122 sc->sc_flags &= ~RDF_WLABEL; 1123 return (0); 1124 1125 case DIOCSDINFO: 1126 if ((flag & FWRITE) == 0) 1127 return (EBADF); 1128 return (setdisklabel(lp, (struct disklabel *)data, 1129 (sc->sc_flags & RDF_WLABEL) ? 0 1130 : sc->sc_dkdev.dk_openmask, 1131 (struct cpu_disklabel *)0)); 1132 1133 case DIOCWDINFO: 1134 if ((flag & FWRITE) == 0) 1135 return (EBADF); 1136 error = setdisklabel(lp, (struct disklabel *)data, 1137 (sc->sc_flags & RDF_WLABEL) ? 0 1138 : sc->sc_dkdev.dk_openmask, 1139 (struct cpu_disklabel *)0); 1140 if (error) 1141 return (error); 1142 flags = sc->sc_flags; 1143 sc->sc_flags = RDF_ALIVE | RDF_WLABEL; 1144 error = writedisklabel(rdlabdev(dev), rdstrategy, lp, 1145 (struct cpu_disklabel *)0); 1146 sc->sc_flags = flags; 1147 return (error); 1148 } 1149 return(EINVAL); 1150 } 1151 1152 int 1153 rdsize(dev) 1154 dev_t dev; 1155 { 1156 int unit = rdunit(dev); 1157 struct rd_softc *rs; 1158 int psize, didopen = 0; 1159 1160 if (unit >= rd_cd.cd_ndevs || 1161 (rs = rd_cd.cd_devs[unit]) == NULL || 1162 (rs->sc_flags & RDF_ALIVE) == 0) 1163 return (-1); 1164 1165 /* 1166 * We get called very early on (via swapconf) 1167 * without the device being open so we may need 1168 * to handle it here. 1169 */ 1170 if (rs->sc_dkdev.dk_openmask == 0) { 1171 if (rdopen(dev, FREAD|FWRITE, S_IFBLK, NULL)) 1172 return(-1); 1173 didopen = 1; 1174 } 1175 psize = rs->sc_dkdev.dk_label->d_partitions[rdpart(dev)].p_size; 1176 if (didopen) 1177 (void) rdclose(dev, FREAD|FWRITE, S_IFBLK, NULL); 1178 return (psize); 1179 } 1180 1181 #ifdef DEBUG 1182 void 1183 rdprinterr(str, err, tab) 1184 char *str; 1185 short err; 1186 char **tab; 1187 { 1188 int i; 1189 int printed; 1190 1191 if (err == 0) 1192 return; 1193 printf(" %s error %d field:", str, err); 1194 printed = 0; 1195 for (i = 0; i < 16; i++) 1196 if (err & (0x8000 >> i)) 1197 printf("%s%s", printed++ ? " + " : " ", tab[i]); 1198 printf("\n"); 1199 } 1200 #endif 1201 1202 static int rddoingadump; /* simple mutex */ 1203 1204 /* 1205 * Non-interrupt driven, non-dma dump routine. 1206 */ 1207 int 1208 rddump(dev, blkno, va, size) 1209 dev_t dev; 1210 daddr_t blkno; 1211 caddr_t va; 1212 size_t size; 1213 { 1214 int sectorsize; /* size of a disk sector */ 1215 int nsects; /* number of sectors in partition */ 1216 int sectoff; /* sector offset of partition */ 1217 int totwrt; /* total number of sectors left to write */ 1218 int nwrt; /* current number of sectors to write */ 1219 int unit, part; 1220 int ctlr, slave; 1221 struct rd_softc *rs; 1222 struct disklabel *lp; 1223 char stat; 1224 1225 /* Check for recursive dump; if so, punt. */ 1226 if (rddoingadump) 1227 return (EFAULT); 1228 rddoingadump = 1; 1229 1230 /* Decompose unit and partition. */ 1231 unit = rdunit(dev); 1232 part = rdpart(dev); 1233 1234 /* Make sure dump device is ok. */ 1235 if (unit >= rd_cd.cd_ndevs || 1236 (rs = rd_cd.cd_devs[unit]) == NULL || 1237 (rs->sc_flags & RDF_ALIVE) == 0) 1238 return (ENXIO); 1239 1240 ctlr = rs->sc_dev.dv_parent->dv_unit; 1241 slave = rs->sc_slave; 1242 1243 /* 1244 * Convert to disk sectors. Request must be a multiple of size. 1245 */ 1246 lp = rs->sc_dkdev.dk_label; 1247 sectorsize = lp->d_secsize; 1248 if ((size % sectorsize) != 0) 1249 return (EFAULT); 1250 totwrt = size / sectorsize; 1251 blkno = dbtob(blkno) / sectorsize; /* blkno in DEV_BSIZE units */ 1252 1253 nsects = lp->d_partitions[part].p_size; 1254 sectoff = lp->d_partitions[part].p_offset; 1255 1256 /* Check transfer bounds against partition size. */ 1257 if ((blkno < 0) || (blkno + totwrt) > nsects) 1258 return (EINVAL); 1259 1260 /* Offset block number to start of partition. */ 1261 blkno += sectoff; 1262 1263 while (totwrt > 0) { 1264 nwrt = totwrt; /* XXX */ 1265 #ifndef RD_DUMP_NOT_TRUSTED 1266 /* 1267 * Fill out and send HPIB command. 1268 */ 1269 rs->sc_ioc.c_unit = C_SUNIT(rs->sc_punit); 1270 rs->sc_ioc.c_volume = C_SVOL(0); 1271 rs->sc_ioc.c_saddr = C_SADDR; 1272 rs->sc_ioc.c_hiaddr = 0; 1273 rs->sc_ioc.c_addr = RDBTOS(blkno); 1274 rs->sc_ioc.c_nop2 = C_NOP; 1275 rs->sc_ioc.c_slen = C_SLEN; 1276 rs->sc_ioc.c_len = nwrt * sectorsize; 1277 rs->sc_ioc.c_cmd = C_WRITE; 1278 hpibsend(ctlr, slave, C_CMD, &rs->sc_ioc.c_unit, 1279 sizeof(rs->sc_ioc)-2); 1280 if (hpibswait(ctlr, slave)) 1281 return (EIO); 1282 1283 /* 1284 * Send the data. 1285 */ 1286 hpibsend(ctlr, slave, C_EXEC, va, nwrt * sectorsize); 1287 (void) hpibswait(ctlr, slave); 1288 hpibrecv(ctlr, slave, C_QSTAT, &stat, 1); 1289 if (stat) 1290 return (EIO); 1291 #else /* RD_DUMP_NOT_TRUSTED */ 1292 /* Let's just talk about this first... */ 1293 printf("%s: dump addr %p, blk %d\n", sc->sc_dev.dv_xname, 1294 va, blkno); 1295 delay(500 * 1000); /* half a second */ 1296 #endif /* RD_DUMP_NOT_TRUSTED */ 1297 1298 /* update block count */ 1299 totwrt -= nwrt; 1300 blkno += nwrt; 1301 va += sectorsize * nwrt; 1302 } 1303 rddoingadump = 0; 1304 return (0); 1305 } 1306
Indexes created Tue Sep 30 11:09:46 GMT 2025