rd.c revision 1.34
1 /* $NetBSD: rd.c,v 1.34 1997/07/22 15:20:20 kleink 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 #include "opt_useleds.h" 68 69 #ifdef USELEDS 70 #include <hp300/hp300/leds.h> 71 #endif 72 73 int rderrthresh = RDRETRY-1; /* when to start reporting errors */ 74 75 #ifdef DEBUG 76 /* error message tables */ 77 char *err_reject[] = { 78 0, 0, 79 "channel parity error", /* 0x2000 */ 80 0, 0, 81 "illegal opcode", /* 0x0400 */ 82 "module addressing", /* 0x0200 */ 83 "address bounds", /* 0x0100 */ 84 "parameter bounds", /* 0x0080 */ 85 "illegal parameter", /* 0x0040 */ 86 "message sequence", /* 0x0020 */ 87 0, 88 "message length", /* 0x0008 */ 89 0, 0, 0 90 }; 91 92 char *err_fault[] = { 93 0, 94 "cross unit", /* 0x4000 */ 95 0, 96 "controller fault", /* 0x1000 */ 97 0, 0, 98 "unit fault", /* 0x0200 */ 99 0, 100 "diagnostic result", /* 0x0080 */ 101 0, 102 "operator release request", /* 0x0020 */ 103 "diagnostic release request", /* 0x0010 */ 104 "internal maintenance release request", /* 0x0008 */ 105 0, 106 "power fail", /* 0x0002 */ 107 "retransmit" /* 0x0001 */ 108 }; 109 110 char *err_access[] = { 111 "illegal parallel operation", /* 0x8000 */ 112 "uninitialized media", /* 0x4000 */ 113 "no spares available", /* 0x2000 */ 114 "not ready", /* 0x1000 */ 115 "write protect", /* 0x0800 */ 116 "no data found", /* 0x0400 */ 117 0, 0, 118 "unrecoverable data overflow", /* 0x0080 */ 119 "unrecoverable data", /* 0x0040 */ 120 0, 121 "end of file", /* 0x0010 */ 122 "end of volume", /* 0x0008 */ 123 0, 0, 0 124 }; 125 126 char *err_info[] = { 127 "operator release request", /* 0x8000 */ 128 "diagnostic release request", /* 0x4000 */ 129 "internal maintenance release request", /* 0x2000 */ 130 "media wear", /* 0x1000 */ 131 "latency induced", /* 0x0800 */ 132 0, 0, 133 "auto sparing invoked", /* 0x0100 */ 134 0, 135 "recoverable data overflow", /* 0x0040 */ 136 "marginal data", /* 0x0020 */ 137 "recoverable data", /* 0x0010 */ 138 0, 139 "maintenance track overflow", /* 0x0004 */ 140 0, 0 141 }; 142 143 int rddebug = 0x80; 144 #define RDB_FOLLOW 0x01 145 #define RDB_STATUS 0x02 146 #define RDB_IDENT 0x04 147 #define RDB_IO 0x08 148 #define RDB_ASYNC 0x10 149 #define RDB_ERROR 0x80 150 #endif 151 152 /* 153 * Misc. HW description, indexed by sc_type. 154 * Nothing really critical here, could do without it. 155 */ 156 struct rdidentinfo rdidentinfo[] = { 157 { RD7946AID, 0, "7945A", NRD7945ABPT, 158 NRD7945ATRK, 968, 108416 }, 159 160 { RD9134DID, 1, "9134D", NRD9134DBPT, 161 NRD9134DTRK, 303, 29088 }, 162 163 { RD9134LID, 1, "9122S", NRD9122SBPT, 164 NRD9122STRK, 77, 1232 }, 165 166 { RD7912PID, 0, "7912P", NRD7912PBPT, 167 NRD7912PTRK, 572, 128128 }, 168 169 { RD7914PID, 0, "7914P", NRD7914PBPT, 170 NRD7914PTRK, 1152, 258048 }, 171 172 { RD7958AID, 0, "7958A", NRD7958ABPT, 173 NRD7958ATRK, 1013, 255276 }, 174 175 { RD7957AID, 0, "7957A", NRD7957ABPT, 176 NRD7957ATRK, 1036, 159544 }, 177 178 { RD7933HID, 0, "7933H", NRD7933HBPT, 179 NRD7933HTRK, 1321, 789958 }, 180 181 { RD9134LID, 1, "9134L", NRD9134LBPT, 182 NRD9134LTRK, 973, 77840 }, 183 184 { RD7936HID, 0, "7936H", NRD7936HBPT, 185 NRD7936HTRK, 698, 600978 }, 186 187 { RD7937HID, 0, "7937H", NRD7937HBPT, 188 NRD7937HTRK, 698, 1116102 }, 189 190 { RD7914CTID, 0, "7914CT", NRD7914PBPT, 191 NRD7914PTRK, 1152, 258048 }, 192 193 { RD7946AID, 0, "7946A", NRD7945ABPT, 194 NRD7945ATRK, 968, 108416 }, 195 196 { RD9134LID, 1, "9122D", NRD9122SBPT, 197 NRD9122STRK, 77, 1232 }, 198 199 { RD7957BID, 0, "7957B", NRD7957BBPT, 200 NRD7957BTRK, 1269, 159894 }, 201 202 { RD7958BID, 0, "7958B", NRD7958BBPT, 203 NRD7958BTRK, 786, 297108 }, 204 205 { RD7959BID, 0, "7959B", NRD7959BBPT, 206 NRD7959BTRK, 1572, 594216 }, 207 208 { RD2200AID, 0, "2200A", NRD2200ABPT, 209 NRD2200ATRK, 1449, 654948 }, 210 211 { RD2203AID, 0, "2203A", NRD2203ABPT, 212 NRD2203ATRK, 1449, 1309896 } 213 }; 214 int numrdidentinfo = sizeof(rdidentinfo) / sizeof(rdidentinfo[0]); 215 216 bdev_decl(rd); 217 cdev_decl(rd); 218 219 int rdident __P((struct device *, struct rd_softc *, 220 struct hpibbus_attach_args *)); 221 void rdreset __P((struct rd_softc *)); 222 void rdustart __P((struct rd_softc *)); 223 int rdgetinfo __P((dev_t)); 224 void rdrestart __P((void *)); 225 struct buf *rdfinish __P((struct rd_softc *, struct buf *)); 226 227 void rdrestart __P((void *)); 228 void rdustart __P((struct rd_softc *)); 229 struct buf *rdfinish __P((struct rd_softc *, struct buf *)); 230 void rdstart __P((void *)); 231 void rdgo __P((void *)); 232 void rdintr __P((void *)); 233 int rdstatus __P((struct rd_softc *)); 234 int rderror __P((int)); 235 #ifdef DEBUG 236 void rdprinterr __P((char *, short, char **)); 237 #endif 238 239 int rdmatch __P((struct device *, struct cfdata *, void *)); 240 void rdattach __P((struct device *, struct device *, void *)); 241 242 struct cfattach rd_ca = { 243 sizeof(struct rd_softc), rdmatch, rdattach 244 }; 245 246 struct cfdriver rd_cd = { 247 NULL, "rd", DV_DISK 248 }; 249 250 int 251 rdmatch(parent, match, aux) 252 struct device *parent; 253 struct cfdata *match; 254 void *aux; 255 { 256 struct hpibbus_attach_args *ha = aux; 257 258 /* 259 * Set punit if operator specified one in the kernel 260 * configuration file. 261 */ 262 if (match->hpibbuscf_punit != HPIBBUSCF_PUNIT_DEFAULT && 263 match->hpibbuscf_punit < HPIB_NPUNITS) 264 ha->ha_punit = match->hpibbuscf_punit; 265 266 if (rdident(parent, NULL, ha) == 0) { 267 /* 268 * XXX Some aging HP-IB drives are slow to 269 * XXX respond; give them a chance to catch 270 * XXX up and probe them again. 271 */ 272 delay(10000); 273 ha->ha_id = hpibid(parent->dv_unit, ha->ha_slave); 274 return (rdident(parent, NULL, ha)); 275 } 276 return (1); 277 } 278 279 void 280 rdattach(parent, self, aux) 281 struct device *parent, *self; 282 void *aux; 283 { 284 struct rd_softc *sc = (struct rd_softc *)self; 285 struct hpibbus_attach_args *ha = aux; 286 287 if (rdident(parent, sc, ha) == 0) { 288 printf("\n%s: didn't respond to describe command!\n", 289 sc->sc_dev.dv_xname); 290 return; 291 } 292 293 /* 294 * Initialize and attach the disk structure. 295 */ 296 bzero(&sc->sc_dkdev, sizeof(sc->sc_dkdev)); 297 sc->sc_dkdev.dk_name = sc->sc_dev.dv_xname; 298 disk_attach(&sc->sc_dkdev); 299 300 sc->sc_slave = ha->ha_slave; 301 sc->sc_punit = ha->ha_punit; 302 303 /* Initialize the hpib job queue entry */ 304 sc->sc_hq.hq_softc = sc; 305 sc->sc_hq.hq_slave = sc->sc_slave; 306 sc->sc_hq.hq_start = rdstart; 307 sc->sc_hq.hq_go = rdgo; 308 sc->sc_hq.hq_intr = rdintr; 309 310 sc->sc_flags = RDF_ALIVE; 311 #ifdef DEBUG 312 /* always report errors */ 313 if (rddebug & RDB_ERROR) 314 rderrthresh = 0; 315 #endif 316 } 317 318 int 319 rdident(parent, sc, ha) 320 struct device *parent; 321 struct rd_softc *sc; 322 struct hpibbus_attach_args *ha; 323 { 324 struct rd_describe *desc = sc != NULL ? &sc->sc_rddesc : NULL; 325 u_char stat, cmd[3]; 326 char name[7]; 327 int i, id, n, ctlr, slave; 328 329 ctlr = parent->dv_unit; 330 slave = ha->ha_slave; 331 332 /* Verify that we have a CS80 device. */ 333 if ((ha->ha_id & 0x200) == 0) 334 return (0); 335 336 /* Is it one of the disks we support? */ 337 for (id = 0; id < numrdidentinfo; id++) 338 if (ha->ha_id == rdidentinfo[id].ri_hwid) 339 break; 340 if (id == numrdidentinfo || ha->ha_punit > rdidentinfo[id].ri_maxunum) 341 return (0); 342 343 /* 344 * If we're just probing for the device, that's all the 345 * work we need to do. 346 */ 347 if (sc == NULL) 348 return (1); 349 350 /* 351 * Reset device and collect description 352 */ 353 rdreset(sc); 354 cmd[0] = C_SUNIT(ha->ha_punit); 355 cmd[1] = C_SVOL(0); 356 cmd[2] = C_DESC; 357 hpibsend(ctlr, slave, C_CMD, cmd, sizeof(cmd)); 358 hpibrecv(ctlr, slave, C_EXEC, desc, 37); 359 hpibrecv(ctlr, slave, C_QSTAT, &stat, sizeof(stat)); 360 bzero(name, sizeof(name)); 361 if (stat == 0) { 362 n = desc->d_name; 363 for (i = 5; i >= 0; i--) { 364 name[i] = (n & 0xf) + '0'; 365 n >>= 4; 366 } 367 } 368 369 #ifdef DEBUG 370 if (rddebug & RDB_IDENT) { 371 printf("\n%s: name: %x ('%s')\n", 372 sc->sc_dev.dv_xname, desc->d_name, name); 373 printf(" iuw %x, maxxfr %d, ctype %d\n", 374 desc->d_iuw, desc->d_cmaxxfr, desc->d_ctype); 375 printf(" utype %d, bps %d, blkbuf %d, burst %d, blktime %d\n", 376 desc->d_utype, desc->d_sectsize, 377 desc->d_blkbuf, desc->d_burstsize, desc->d_blocktime); 378 printf(" avxfr %d, ort %d, atp %d, maxint %d, fv %x, rv %x\n", 379 desc->d_uavexfr, desc->d_retry, desc->d_access, 380 desc->d_maxint, desc->d_fvbyte, desc->d_rvbyte); 381 printf(" maxcyl/head/sect %d/%d/%d, maxvsect %d, inter %d\n", 382 desc->d_maxcyl, desc->d_maxhead, desc->d_maxsect, 383 desc->d_maxvsectl, desc->d_interleave); 384 printf("%s", sc->sc_dev.dv_xname); 385 } 386 #endif 387 388 /* 389 * Take care of a couple of anomolies: 390 * 1. 7945A and 7946A both return same HW id 391 * 2. 9122S and 9134D both return same HW id 392 * 3. 9122D and 9134L both return same HW id 393 */ 394 switch (ha->ha_id) { 395 case RD7946AID: 396 if (bcmp(name, "079450", 6) == 0) 397 id = RD7945A; 398 else 399 id = RD7946A; 400 break; 401 402 case RD9134LID: 403 if (bcmp(name, "091340", 6) == 0) 404 id = RD9134L; 405 else 406 id = RD9122D; 407 break; 408 409 case RD9134DID: 410 if (bcmp(name, "091220", 6) == 0) 411 id = RD9122S; 412 else 413 id = RD9134D; 414 break; 415 } 416 417 sc->sc_type = id; 418 419 /* 420 * XXX We use DEV_BSIZE instead of the sector size value pulled 421 * XXX off the driver because all of this code assumes 512 byte 422 * XXX blocks. ICK! 423 */ 424 printf(": %s\n", rdidentinfo[id].ri_desc); 425 printf("%s: %d cylinders, %d heads, %d blocks, %d bytes/block\n", 426 sc->sc_dev.dv_xname, rdidentinfo[id].ri_ncyl, 427 rdidentinfo[id].ri_ntpc, rdidentinfo[id].ri_nblocks, 428 DEV_BSIZE); 429 430 return (1); 431 } 432 433 void 434 rdreset(rs) 435 struct rd_softc *rs; 436 { 437 int ctlr = rs->sc_dev.dv_parent->dv_unit; 438 int slave = rs->sc_slave; 439 u_char stat; 440 441 rs->sc_clear.c_unit = C_SUNIT(rs->sc_punit); 442 rs->sc_clear.c_cmd = C_CLEAR; 443 hpibsend(ctlr, slave, C_TCMD, &rs->sc_clear, sizeof(rs->sc_clear)); 444 hpibswait(ctlr, slave); 445 hpibrecv(ctlr, slave, C_QSTAT, &stat, sizeof(stat)); 446 447 rs->sc_src.c_unit = C_SUNIT(RDCTLR); 448 rs->sc_src.c_nop = C_NOP; 449 rs->sc_src.c_cmd = C_SREL; 450 rs->sc_src.c_param = C_REL; 451 hpibsend(ctlr, slave, C_CMD, &rs->sc_src, sizeof(rs->sc_src)); 452 hpibswait(ctlr, slave); 453 hpibrecv(ctlr, slave, C_QSTAT, &stat, sizeof(stat)); 454 455 rs->sc_ssmc.c_unit = C_SUNIT(rs->sc_punit); 456 rs->sc_ssmc.c_cmd = C_SSM; 457 rs->sc_ssmc.c_refm = REF_MASK; 458 rs->sc_ssmc.c_fefm = FEF_MASK; 459 rs->sc_ssmc.c_aefm = AEF_MASK; 460 rs->sc_ssmc.c_iefm = IEF_MASK; 461 hpibsend(ctlr, slave, C_CMD, &rs->sc_ssmc, sizeof(rs->sc_ssmc)); 462 hpibswait(ctlr, slave); 463 hpibrecv(ctlr, slave, C_QSTAT, &stat, sizeof(stat)); 464 #ifdef DEBUG 465 rs->sc_stats.rdresets++; 466 #endif 467 } 468 469 /* 470 * Read or constuct a disklabel 471 */ 472 int 473 rdgetinfo(dev) 474 dev_t dev; 475 { 476 int unit = rdunit(dev); 477 struct rd_softc *rs = rd_cd.cd_devs[unit]; 478 struct disklabel *lp = rs->sc_dkdev.dk_label; 479 struct partition *pi; 480 char *msg; 481 482 /* 483 * Set some default values to use while reading the label 484 * or to use if there isn't a label. 485 */ 486 bzero((caddr_t)lp, sizeof *lp); 487 lp->d_type = DTYPE_HPIB; 488 lp->d_secsize = DEV_BSIZE; 489 lp->d_nsectors = 32; 490 lp->d_ntracks = 20; 491 lp->d_ncylinders = 1; 492 lp->d_secpercyl = 32*20; 493 lp->d_npartitions = 3; 494 lp->d_partitions[2].p_offset = 0; 495 lp->d_partitions[2].p_size = LABELSECTOR+1; 496 497 /* 498 * Now try to read the disklabel 499 */ 500 msg = readdisklabel(rdlabdev(dev), rdstrategy, lp, NULL); 501 if (msg == NULL) 502 return (0); 503 504 pi = lp->d_partitions; 505 printf("%s: WARNING: %s, ", rs->sc_dev.dv_xname, msg); 506 #ifdef COMPAT_NOLABEL 507 printf("using old default partitioning\n"); 508 rdmakedisklabel(unit, lp); 509 #else 510 printf("defining `c' partition as entire disk\n"); 511 pi[2].p_size = rdidentinfo[rs->sc_type].ri_nblocks; 512 /* XXX reset other info since readdisklabel screws with it */ 513 lp->d_npartitions = 3; 514 pi[0].p_size = 0; 515 #endif 516 return(0); 517 } 518 519 int 520 rdopen(dev, flags, mode, p) 521 dev_t dev; 522 int flags, mode; 523 struct proc *p; 524 { 525 int unit = rdunit(dev); 526 struct rd_softc *rs; 527 int error, mask, part; 528 529 if (unit >= rd_cd.cd_ndevs || 530 (rs = rd_cd.cd_devs[unit]) == NULL || 531 (rs->sc_flags & RDF_ALIVE) == 0) 532 return (ENXIO); 533 534 /* 535 * Wait for any pending opens/closes to complete 536 */ 537 while (rs->sc_flags & (RDF_OPENING|RDF_CLOSING)) 538 sleep((caddr_t)rs, PRIBIO); 539 540 /* 541 * On first open, get label and partition info. 542 * We may block reading the label, so be careful 543 * to stop any other opens. 544 */ 545 if (rs->sc_dkdev.dk_openmask == 0) { 546 rs->sc_flags |= RDF_OPENING; 547 error = rdgetinfo(dev); 548 rs->sc_flags &= ~RDF_OPENING; 549 wakeup((caddr_t)rs); 550 if (error) 551 return(error); 552 } 553 554 part = rdpart(dev); 555 mask = 1 << part; 556 557 /* Check that the partition exists. */ 558 if (part != RAW_PART && 559 (part > rs->sc_dkdev.dk_label->d_npartitions || 560 rs->sc_dkdev.dk_label->d_partitions[part].p_fstype == FS_UNUSED)) 561 return (ENXIO); 562 563 /* Ensure only one open at a time. */ 564 switch (mode) { 565 case S_IFCHR: 566 rs->sc_dkdev.dk_copenmask |= mask; 567 break; 568 case S_IFBLK: 569 rs->sc_dkdev.dk_bopenmask |= mask; 570 break; 571 } 572 rs->sc_dkdev.dk_openmask = 573 rs->sc_dkdev.dk_copenmask | rs->sc_dkdev.dk_bopenmask; 574 575 return(0); 576 } 577 578 int 579 rdclose(dev, flag, mode, p) 580 dev_t dev; 581 int flag, mode; 582 struct proc *p; 583 { 584 int unit = rdunit(dev); 585 struct rd_softc *rs = rd_cd.cd_devs[unit]; 586 struct disk *dk = &rs->sc_dkdev; 587 int mask, s; 588 589 mask = 1 << rdpart(dev); 590 if (mode == S_IFCHR) 591 dk->dk_copenmask &= ~mask; 592 else 593 dk->dk_bopenmask &= ~mask; 594 dk->dk_openmask = dk->dk_copenmask | dk->dk_bopenmask; 595 /* 596 * On last close, we wait for all activity to cease since 597 * the label/parition info will become invalid. Since we 598 * might sleep, we must block any opens while we are here. 599 * Note we don't have to about other closes since we know 600 * we are the last one. 601 */ 602 if (dk->dk_openmask == 0) { 603 rs->sc_flags |= RDF_CLOSING; 604 s = splbio(); 605 while (rs->sc_tab.b_active) { 606 rs->sc_flags |= RDF_WANTED; 607 sleep((caddr_t)&rs->sc_tab, PRIBIO); 608 } 609 splx(s); 610 rs->sc_flags &= ~(RDF_CLOSING|RDF_WLABEL); 611 wakeup((caddr_t)rs); 612 } 613 return(0); 614 } 615 616 void 617 rdstrategy(bp) 618 struct buf *bp; 619 { 620 int unit = rdunit(bp->b_dev); 621 struct rd_softc *rs = rd_cd.cd_devs[unit]; 622 struct buf *dp = &rs->sc_tab; 623 struct partition *pinfo; 624 daddr_t bn; 625 int sz, s; 626 int offset; 627 628 #ifdef DEBUG 629 if (rddebug & RDB_FOLLOW) 630 printf("rdstrategy(%p): dev %x, bn %x, bcount %lx, %c\n", 631 bp, bp->b_dev, bp->b_blkno, bp->b_bcount, 632 (bp->b_flags & B_READ) ? 'R' : 'W'); 633 #endif 634 bn = bp->b_blkno; 635 sz = howmany(bp->b_bcount, DEV_BSIZE); 636 pinfo = &rs->sc_dkdev.dk_label->d_partitions[rdpart(bp->b_dev)]; 637 638 /* Don't perform partition translation on RAW_PART. */ 639 offset = (rdpart(bp->b_dev) == RAW_PART) ? 0 : pinfo->p_offset; 640 641 if (rdpart(bp->b_dev) != RAW_PART) { 642 /* 643 * XXX This block of code belongs in 644 * XXX bounds_check_with_label() 645 */ 646 647 if (bn < 0 || bn + sz > pinfo->p_size) { 648 sz = pinfo->p_size - bn; 649 if (sz == 0) { 650 bp->b_resid = bp->b_bcount; 651 goto done; 652 } 653 if (sz < 0) { 654 bp->b_error = EINVAL; 655 goto bad; 656 } 657 bp->b_bcount = dbtob(sz); 658 } 659 /* 660 * Check for write to write protected label 661 */ 662 if (bn + offset <= LABELSECTOR && 663 #if LABELSECTOR != 0 664 bn + offset + sz > LABELSECTOR && 665 #endif 666 !(bp->b_flags & B_READ) && !(rs->sc_flags & RDF_WLABEL)) { 667 bp->b_error = EROFS; 668 goto bad; 669 } 670 } 671 bp->b_cylin = bn + offset; 672 s = splbio(); 673 disksort(dp, bp); 674 if (dp->b_active == 0) { 675 dp->b_active = 1; 676 rdustart(rs); 677 } 678 splx(s); 679 return; 680 bad: 681 bp->b_flags |= B_ERROR; 682 done: 683 biodone(bp); 684 } 685 686 /* 687 * Called from timeout() when handling maintenance releases 688 */ 689 void 690 rdrestart(arg) 691 void *arg; 692 { 693 int s = splbio(); 694 rdustart((struct rd_softc *)arg); 695 splx(s); 696 } 697 698 void 699 rdustart(rs) 700 struct rd_softc *rs; 701 { 702 struct buf *bp; 703 704 bp = rs->sc_tab.b_actf; 705 rs->sc_addr = bp->b_un.b_addr; 706 rs->sc_resid = bp->b_bcount; 707 if (hpibreq(rs->sc_dev.dv_parent, &rs->sc_hq)) 708 rdstart(rs); 709 } 710 711 struct buf * 712 rdfinish(rs, bp) 713 struct rd_softc *rs; 714 struct buf *bp; 715 { 716 struct buf *dp = &rs->sc_tab; 717 718 dp->b_errcnt = 0; 719 dp->b_actf = bp->b_actf; 720 bp->b_resid = 0; 721 biodone(bp); 722 hpibfree(rs->sc_dev.dv_parent, &rs->sc_hq); 723 if (dp->b_actf) 724 return (dp->b_actf); 725 dp->b_active = 0; 726 if (rs->sc_flags & RDF_WANTED) { 727 rs->sc_flags &= ~RDF_WANTED; 728 wakeup((caddr_t)dp); 729 } 730 return (NULL); 731 } 732 733 void 734 rdstart(arg) 735 void *arg; 736 { 737 struct rd_softc *rs = arg; 738 struct buf *bp = rs->sc_tab.b_actf; 739 int part, ctlr, slave; 740 741 ctlr = rs->sc_dev.dv_parent->dv_unit; 742 slave = rs->sc_slave; 743 744 again: 745 #ifdef DEBUG 746 if (rddebug & RDB_FOLLOW) 747 printf("rdstart(%s): bp %p, %c\n", rs->sc_dev.dv_xname, bp, 748 (bp->b_flags & B_READ) ? 'R' : 'W'); 749 #endif 750 part = rdpart(bp->b_dev); 751 rs->sc_flags |= RDF_SEEK; 752 rs->sc_ioc.c_unit = C_SUNIT(rs->sc_punit); 753 rs->sc_ioc.c_volume = C_SVOL(0); 754 rs->sc_ioc.c_saddr = C_SADDR; 755 rs->sc_ioc.c_hiaddr = 0; 756 rs->sc_ioc.c_addr = RDBTOS(bp->b_cylin); 757 rs->sc_ioc.c_nop2 = C_NOP; 758 rs->sc_ioc.c_slen = C_SLEN; 759 rs->sc_ioc.c_len = rs->sc_resid; 760 rs->sc_ioc.c_cmd = bp->b_flags & B_READ ? C_READ : C_WRITE; 761 #ifdef DEBUG 762 if (rddebug & RDB_IO) 763 printf("rdstart: hpibsend(%x, %x, %x, %p, %x)\n", 764 ctlr, slave, C_CMD, 765 &rs->sc_ioc.c_unit, sizeof(rs->sc_ioc)-2); 766 #endif 767 if (hpibsend(ctlr, slave, C_CMD, &rs->sc_ioc.c_unit, 768 sizeof(rs->sc_ioc)-2) == sizeof(rs->sc_ioc)-2) { 769 770 /* Instrumentation. */ 771 disk_busy(&rs->sc_dkdev); 772 rs->sc_dkdev.dk_seek++; 773 774 #ifdef DEBUG 775 if (rddebug & RDB_IO) 776 printf("rdstart: hpibawait(%x)\n", ctlr); 777 #endif 778 hpibawait(ctlr); 779 return; 780 } 781 /* 782 * Experience has shown that the hpibwait in this hpibsend will 783 * occasionally timeout. It appears to occur mostly on old 7914 784 * drives with full maintenance tracks. We should probably 785 * integrate this with the backoff code in rderror. 786 */ 787 #ifdef DEBUG 788 if (rddebug & RDB_ERROR) 789 printf("%s: rdstart: cmd %x adr %lx blk %d len %d ecnt %ld\n", 790 rs->sc_dev.dv_xname, rs->sc_ioc.c_cmd, rs->sc_ioc.c_addr, 791 bp->b_blkno, rs->sc_resid, rs->sc_tab.b_errcnt); 792 rs->sc_stats.rdretries++; 793 #endif 794 rs->sc_flags &= ~RDF_SEEK; 795 rdreset(rs); 796 if (rs->sc_tab.b_errcnt++ < RDRETRY) 797 goto again; 798 printf("%s: rdstart err: cmd 0x%x sect %ld blk %d len %d\n", 799 rs->sc_dev.dv_xname, rs->sc_ioc.c_cmd, rs->sc_ioc.c_addr, 800 bp->b_blkno, rs->sc_resid); 801 bp->b_flags |= B_ERROR; 802 bp->b_error = EIO; 803 bp = rdfinish(rs, bp); 804 if (bp) { 805 rs->sc_addr = bp->b_un.b_addr; 806 rs->sc_resid = bp->b_bcount; 807 if (hpibreq(rs->sc_dev.dv_parent, &rs->sc_hq)) 808 goto again; 809 } 810 } 811 812 void 813 rdgo(arg) 814 void *arg; 815 { 816 struct rd_softc *rs = arg; 817 struct buf *bp = rs->sc_tab.b_actf; 818 int rw, ctlr, slave; 819 820 ctlr = rs->sc_dev.dv_parent->dv_unit; 821 slave = rs->sc_slave; 822 823 rw = bp->b_flags & B_READ; 824 825 /* Instrumentation. */ 826 disk_busy(&rs->sc_dkdev); 827 828 #ifdef USELEDS 829 ledcontrol(0, 0, LED_DISK); 830 #endif 831 hpibgo(ctlr, slave, C_EXEC, rs->sc_addr, rs->sc_resid, rw, rw != 0); 832 } 833 834 /* ARGSUSED */ 835 void 836 rdintr(arg) 837 void *arg; 838 { 839 struct rd_softc *rs = arg; 840 int unit = rs->sc_dev.dv_unit; 841 struct buf *bp = rs->sc_tab.b_actf; 842 u_char stat = 13; /* in case hpibrecv fails */ 843 int rv, restart, ctlr, slave; 844 845 ctlr = rs->sc_dev.dv_parent->dv_unit; 846 slave = rs->sc_slave; 847 848 #ifdef DEBUG 849 if (rddebug & RDB_FOLLOW) 850 printf("rdintr(%d): bp %p, %c, flags %x\n", unit, bp, 851 (bp->b_flags & B_READ) ? 'R' : 'W', rs->sc_flags); 852 if (bp == NULL) { 853 printf("%s: bp == NULL\n", rs->sc_dev.dv_xname); 854 return; 855 } 856 #endif 857 disk_unbusy(&rs->sc_dkdev, (bp->b_bcount - bp->b_resid)); 858 859 if (rs->sc_flags & RDF_SEEK) { 860 rs->sc_flags &= ~RDF_SEEK; 861 if (hpibustart(ctlr)) 862 rdgo(rs); 863 return; 864 } 865 if ((rs->sc_flags & RDF_SWAIT) == 0) { 866 #ifdef DEBUG 867 rs->sc_stats.rdpolltries++; 868 #endif 869 if (hpibpptest(ctlr, slave) == 0) { 870 #ifdef DEBUG 871 rs->sc_stats.rdpollwaits++; 872 #endif 873 874 /* Instrumentation. */ 875 disk_busy(&rs->sc_dkdev); 876 rs->sc_flags |= RDF_SWAIT; 877 hpibawait(ctlr); 878 return; 879 } 880 } else 881 rs->sc_flags &= ~RDF_SWAIT; 882 rv = hpibrecv(ctlr, slave, C_QSTAT, &stat, 1); 883 if (rv != 1 || stat) { 884 #ifdef DEBUG 885 if (rddebug & RDB_ERROR) 886 printf("rdintr: recv failed or bad stat %d\n", stat); 887 #endif 888 restart = rderror(unit); 889 #ifdef DEBUG 890 rs->sc_stats.rdretries++; 891 #endif 892 if (rs->sc_tab.b_errcnt++ < RDRETRY) { 893 if (restart) 894 rdstart(rs); 895 return; 896 } 897 bp->b_flags |= B_ERROR; 898 bp->b_error = EIO; 899 } 900 if (rdfinish(rs, bp)) 901 rdustart(rs); 902 } 903 904 int 905 rdstatus(rs) 906 struct rd_softc *rs; 907 { 908 int c, s; 909 u_char stat; 910 int rv; 911 912 c = rs->sc_dev.dv_parent->dv_unit; 913 s = rs->sc_slave; 914 rs->sc_rsc.c_unit = C_SUNIT(rs->sc_punit); 915 rs->sc_rsc.c_sram = C_SRAM; 916 rs->sc_rsc.c_ram = C_RAM; 917 rs->sc_rsc.c_cmd = C_STATUS; 918 bzero((caddr_t)&rs->sc_stat, sizeof(rs->sc_stat)); 919 rv = hpibsend(c, s, C_CMD, &rs->sc_rsc, sizeof(rs->sc_rsc)); 920 if (rv != sizeof(rs->sc_rsc)) { 921 #ifdef DEBUG 922 if (rddebug & RDB_STATUS) 923 printf("rdstatus: send C_CMD failed %d != %d\n", 924 rv, sizeof(rs->sc_rsc)); 925 #endif 926 return(1); 927 } 928 rv = hpibrecv(c, s, C_EXEC, &rs->sc_stat, sizeof(rs->sc_stat)); 929 if (rv != sizeof(rs->sc_stat)) { 930 #ifdef DEBUG 931 if (rddebug & RDB_STATUS) 932 printf("rdstatus: send C_EXEC failed %d != %d\n", 933 rv, sizeof(rs->sc_stat)); 934 #endif 935 return(1); 936 } 937 rv = hpibrecv(c, s, C_QSTAT, &stat, 1); 938 if (rv != 1 || stat) { 939 #ifdef DEBUG 940 if (rddebug & RDB_STATUS) 941 printf("rdstatus: recv failed %d or bad stat %d\n", 942 rv, stat); 943 #endif 944 return(1); 945 } 946 return(0); 947 } 948 949 /* 950 * Deal with errors. 951 * Returns 1 if request should be restarted, 952 * 0 if we should just quietly give up. 953 */ 954 int 955 rderror(unit) 956 int unit; 957 { 958 struct rd_softc *rs = rd_cd.cd_devs[unit]; 959 struct rd_stat *sp; 960 struct buf *bp; 961 daddr_t hwbn, pbn; 962 char *hexstr __P((int, int)); /* XXX */ 963 964 if (rdstatus(rs)) { 965 #ifdef DEBUG 966 printf("%s: couldn't get status\n", rs->sc_dev.dv_xname); 967 #endif 968 rdreset(rs); 969 return(1); 970 } 971 sp = &rs->sc_stat; 972 if (sp->c_fef & FEF_REXMT) 973 return(1); 974 if (sp->c_fef & FEF_PF) { 975 rdreset(rs); 976 return(1); 977 } 978 /* 979 * Unit requests release for internal maintenance. 980 * We just delay awhile and try again later. Use expontially 981 * increasing backoff ala ethernet drivers since we don't really 982 * know how long the maintenance will take. With RDWAITC and 983 * RDRETRY as defined, the range is 1 to 32 seconds. 984 */ 985 if (sp->c_fef & FEF_IMR) { 986 extern int hz; 987 int rdtimo = RDWAITC << rs->sc_tab.b_errcnt; 988 #ifdef DEBUG 989 printf("%s: internal maintenance, %d second timeout\n", 990 rs->sc_dev.dv_xname, rdtimo); 991 rs->sc_stats.rdtimeouts++; 992 #endif 993 hpibfree(rs->sc_dev.dv_parent, &rs->sc_hq); 994 timeout(rdrestart, rs, rdtimo * hz); 995 return(0); 996 } 997 /* 998 * Only report error if we have reached the error reporting 999 * threshhold. By default, this will only report after the 1000 * retry limit has been exceeded. 1001 */ 1002 if (rs->sc_tab.b_errcnt < rderrthresh) 1003 return(1); 1004 1005 /* 1006 * First conjure up the block number at which the error occured. 1007 * Note that not all errors report a block number, in that case 1008 * we just use b_blkno. 1009 */ 1010 bp = rs->sc_tab.b_actf; 1011 pbn = rs->sc_dkdev.dk_label->d_partitions[rdpart(bp->b_dev)].p_offset; 1012 if ((sp->c_fef & FEF_CU) || (sp->c_fef & FEF_DR) || 1013 (sp->c_ief & IEF_RRMASK)) { 1014 hwbn = RDBTOS(pbn + bp->b_blkno); 1015 pbn = bp->b_blkno; 1016 } else { 1017 hwbn = sp->c_blk; 1018 pbn = RDSTOB(hwbn) - pbn; 1019 } 1020 /* 1021 * Now output a generic message suitable for badsect. 1022 * Note that we don't use harderr cuz it just prints 1023 * out b_blkno which is just the beginning block number 1024 * of the transfer, not necessary where the error occured. 1025 */ 1026 printf("%s%c: hard error sn%d\n", rs->sc_dev.dv_xname, 1027 'a'+rdpart(bp->b_dev), pbn); 1028 /* 1029 * Now report the status as returned by the hardware with 1030 * attempt at interpretation (unless debugging). 1031 */ 1032 printf("%s %s error:", rs->sc_dev.dv_xname, 1033 (bp->b_flags & B_READ) ? "read" : "write"); 1034 #ifdef DEBUG 1035 if (rddebug & RDB_ERROR) { 1036 /* status info */ 1037 printf("\n volume: %d, unit: %d\n", 1038 (sp->c_vu>>4)&0xF, sp->c_vu&0xF); 1039 rdprinterr("reject", sp->c_ref, err_reject); 1040 rdprinterr("fault", sp->c_fef, err_fault); 1041 rdprinterr("access", sp->c_aef, err_access); 1042 rdprinterr("info", sp->c_ief, err_info); 1043 printf(" block: %d, P1-P10: ", hwbn); 1044 printf("0x%x", *(u_int *)&sp->c_raw[0]); 1045 printf("0x%x", *(u_int *)&sp->c_raw[4]); 1046 printf("0x%x\n", *(u_short *)&sp->c_raw[8]); 1047 /* command */ 1048 printf(" ioc: "); 1049 printf("0x%x", *(u_int *)&rs->sc_ioc.c_pad); 1050 printf("0x%x", *(u_short *)&rs->sc_ioc.c_hiaddr); 1051 printf("0x%x", *(u_int *)&rs->sc_ioc.c_addr); 1052 printf("0x%x", *(u_short *)&rs->sc_ioc.c_nop2); 1053 printf("0x%x", *(u_int *)&rs->sc_ioc.c_len); 1054 printf("0x%x\n", *(u_short *)&rs->sc_ioc.c_cmd); 1055 return(1); 1056 } 1057 #endif 1058 printf(" v%d u%d, R0x%x F0x%x A0x%x I0x%x\n", 1059 (sp->c_vu>>4)&0xF, sp->c_vu&0xF, 1060 sp->c_ref, sp->c_fef, sp->c_aef, sp->c_ief); 1061 printf("P1-P10: "); 1062 printf("0x%x", *(u_int *)&sp->c_raw[0]); 1063 printf("0x%x", *(u_int *)&sp->c_raw[4]); 1064 printf("0x%x\n", *(u_short *)&sp->c_raw[8]); 1065 return(1); 1066 } 1067 1068 int 1069 rdread(dev, uio, flags) 1070 dev_t dev; 1071 struct uio *uio; 1072 int flags; 1073 { 1074 1075 return (physio(rdstrategy, NULL, dev, B_READ, minphys, uio)); 1076 } 1077 1078 int 1079 rdwrite(dev, uio, flags) 1080 dev_t dev; 1081 struct uio *uio; 1082 int flags; 1083 { 1084 1085 return (physio(rdstrategy, NULL, dev, B_WRITE, minphys, uio)); 1086 } 1087 1088 int 1089 rdioctl(dev, cmd, data, flag, p) 1090 dev_t dev; 1091 u_long cmd; 1092 caddr_t data; 1093 int flag; 1094 struct proc *p; 1095 { 1096 int unit = rdunit(dev); 1097 struct rd_softc *sc = rd_cd.cd_devs[unit]; 1098 struct disklabel *lp = sc->sc_dkdev.dk_label; 1099 int error, flags; 1100 1101 switch (cmd) { 1102 case DIOCGDINFO: 1103 *(struct disklabel *)data = *lp; 1104 return (0); 1105 1106 case DIOCGPART: 1107 ((struct partinfo *)data)->disklab = lp; 1108 ((struct partinfo *)data)->part = 1109 &lp->d_partitions[rdpart(dev)]; 1110 return (0); 1111 1112 case DIOCWLABEL: 1113 if ((flag & FWRITE) == 0) 1114 return (EBADF); 1115 if (*(int *)data) 1116 sc->sc_flags |= RDF_WLABEL; 1117 else 1118 sc->sc_flags &= ~RDF_WLABEL; 1119 return (0); 1120 1121 case DIOCSDINFO: 1122 if ((flag & FWRITE) == 0) 1123 return (EBADF); 1124 return (setdisklabel(lp, (struct disklabel *)data, 1125 (sc->sc_flags & RDF_WLABEL) ? 0 1126 : sc->sc_dkdev.dk_openmask, 1127 (struct cpu_disklabel *)0)); 1128 1129 case DIOCWDINFO: 1130 if ((flag & FWRITE) == 0) 1131 return (EBADF); 1132 error = setdisklabel(lp, (struct disklabel *)data, 1133 (sc->sc_flags & RDF_WLABEL) ? 0 1134 : sc->sc_dkdev.dk_openmask, 1135 (struct cpu_disklabel *)0); 1136 if (error) 1137 return (error); 1138 flags = sc->sc_flags; 1139 sc->sc_flags = RDF_ALIVE | RDF_WLABEL; 1140 error = writedisklabel(rdlabdev(dev), rdstrategy, lp, 1141 (struct cpu_disklabel *)0); 1142 sc->sc_flags = flags; 1143 return (error); 1144 } 1145 return(EINVAL); 1146 } 1147 1148 int 1149 rdsize(dev) 1150 dev_t dev; 1151 { 1152 int unit = rdunit(dev); 1153 struct rd_softc *rs; 1154 int psize, didopen = 0; 1155 1156 if (unit >= rd_cd.cd_ndevs || 1157 (rs = rd_cd.cd_devs[unit]) == NULL || 1158 (rs->sc_flags & RDF_ALIVE) == 0) 1159 return (-1); 1160 1161 /* 1162 * We get called very early on (via swapconf) 1163 * without the device being open so we may need 1164 * to handle it here. 1165 */ 1166 if (rs->sc_dkdev.dk_openmask == 0) { 1167 if (rdopen(dev, FREAD|FWRITE, S_IFBLK, NULL)) 1168 return(-1); 1169 didopen = 1; 1170 } 1171 psize = rs->sc_dkdev.dk_label->d_partitions[rdpart(dev)].p_size * 1172 (rs->sc_dkdev.dk_label->d_secsize / DEV_BSIZE); 1173 if (didopen) 1174 (void) rdclose(dev, FREAD|FWRITE, S_IFBLK, NULL); 1175 return (psize); 1176 } 1177 1178 #ifdef DEBUG 1179 void 1180 rdprinterr(str, err, tab) 1181 char *str; 1182 short err; 1183 char **tab; 1184 { 1185 int i; 1186 int printed; 1187 1188 if (err == 0) 1189 return; 1190 printf(" %s error %d field:", str, err); 1191 printed = 0; 1192 for (i = 0; i < 16; i++) 1193 if (err & (0x8000 >> i)) 1194 printf("%s%s", printed++ ? " + " : " ", tab[i]); 1195 printf("\n"); 1196 } 1197 #endif 1198 1199 static int rddoingadump; /* simple mutex */ 1200 1201 /* 1202 * Non-interrupt driven, non-dma dump routine. 1203 */ 1204 int 1205 rddump(dev, blkno, va, size) 1206 dev_t dev; 1207 daddr_t blkno; 1208 caddr_t va; 1209 size_t size; 1210 { 1211 int sectorsize; /* size of a disk sector */ 1212 int nsects; /* number of sectors in partition */ 1213 int sectoff; /* sector offset of partition */ 1214 int totwrt; /* total number of sectors left to write */ 1215 int nwrt; /* current number of sectors to write */ 1216 int unit, part; 1217 int ctlr, slave; 1218 struct rd_softc *rs; 1219 struct disklabel *lp; 1220 char stat; 1221 1222 /* Check for recursive dump; if so, punt. */ 1223 if (rddoingadump) 1224 return (EFAULT); 1225 rddoingadump = 1; 1226 1227 /* Decompose unit and partition. */ 1228 unit = rdunit(dev); 1229 part = rdpart(dev); 1230 1231 /* Make sure dump device is ok. */ 1232 if (unit >= rd_cd.cd_ndevs || 1233 (rs = rd_cd.cd_devs[unit]) == NULL || 1234 (rs->sc_flags & RDF_ALIVE) == 0) 1235 return (ENXIO); 1236 1237 ctlr = rs->sc_dev.dv_parent->dv_unit; 1238 slave = rs->sc_slave; 1239 1240 /* 1241 * Convert to disk sectors. Request must be a multiple of size. 1242 */ 1243 lp = rs->sc_dkdev.dk_label; 1244 sectorsize = lp->d_secsize; 1245 if ((size % sectorsize) != 0) 1246 return (EFAULT); 1247 totwrt = size / sectorsize; 1248 blkno = dbtob(blkno) / sectorsize; /* blkno in DEV_BSIZE units */ 1249 1250 nsects = lp->d_partitions[part].p_size; 1251 sectoff = lp->d_partitions[part].p_offset; 1252 1253 /* Check transfer bounds against partition size. */ 1254 if ((blkno < 0) || (blkno + totwrt) > nsects) 1255 return (EINVAL); 1256 1257 /* Offset block number to start of partition. */ 1258 blkno += sectoff; 1259 1260 while (totwrt > 0) { 1261 nwrt = totwrt; /* XXX */ 1262 #ifndef RD_DUMP_NOT_TRUSTED 1263 /* 1264 * Fill out and send HPIB command. 1265 */ 1266 rs->sc_ioc.c_unit = C_SUNIT(rs->sc_punit); 1267 rs->sc_ioc.c_volume = C_SVOL(0); 1268 rs->sc_ioc.c_saddr = C_SADDR; 1269 rs->sc_ioc.c_hiaddr = 0; 1270 rs->sc_ioc.c_addr = RDBTOS(blkno); 1271 rs->sc_ioc.c_nop2 = C_NOP; 1272 rs->sc_ioc.c_slen = C_SLEN; 1273 rs->sc_ioc.c_len = nwrt * sectorsize; 1274 rs->sc_ioc.c_cmd = C_WRITE; 1275 hpibsend(ctlr, slave, C_CMD, &rs->sc_ioc.c_unit, 1276 sizeof(rs->sc_ioc)-2); 1277 if (hpibswait(ctlr, slave)) 1278 return (EIO); 1279 1280 /* 1281 * Send the data. 1282 */ 1283 hpibsend(ctlr, slave, C_EXEC, va, nwrt * sectorsize); 1284 (void) hpibswait(ctlr, slave); 1285 hpibrecv(ctlr, slave, C_QSTAT, &stat, 1); 1286 if (stat) 1287 return (EIO); 1288 #else /* RD_DUMP_NOT_TRUSTED */ 1289 /* Let's just talk about this first... */ 1290 printf("%s: dump addr %p, blk %d\n", sc->sc_dev.dv_xname, 1291 va, blkno); 1292 delay(500 * 1000); /* half a second */ 1293 #endif /* RD_DUMP_NOT_TRUSTED */ 1294 1295 /* update block count */ 1296 totwrt -= nwrt; 1297 blkno += nwrt; 1298 va += sectorsize * nwrt; 1299 } 1300 rddoingadump = 0; 1301 return (0); 1302 } 1303
Indexes created Tue Sep 30 11:09:46 GMT 2025