1 /* $NetBSD: rd.c,v 1.23 2009/03/14 15:36:17 dsl Exp $ */ 2 3 /*- 4 * Copyright (c) 1996-2003 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* 33 * Copyright (c) 1982, 1990, 1993 34 * The Regents of the University of California. All rights reserved. 35 * 36 * This code is derived from software contributed to Berkeley by 37 * the Systems Programming Group of the University of Utah Computer 38 * Science Department. 39 * 40 * Redistribution and use in source and binary forms, with or without 41 * modification, are permitted provided that the following conditions 42 * are met: 43 * 1. Redistributions of source code must retain the above copyright 44 * notice, this list of conditions and the following disclaimer. 45 * 2. Redistributions in binary form must reproduce the above copyright 46 * notice, this list of conditions and the following disclaimer in the 47 * documentation and/or other materials provided with the distribution. 48 * 3. Neither the name of the University nor the names of its contributors 49 * may be used to endorse or promote products derived from this software 50 * without specific prior written permission. 51 * 52 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 53 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 54 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 55 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 56 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 57 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 58 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 59 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 60 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 61 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 62 * SUCH DAMAGE. 63 * 64 * from: Utah $Hdr: rd.c 1.44 92/12/26$ 65 * 66 * @(#)rd.c 8.2 (Berkeley) 5/19/94 67 */ 68 69 /* 70 * Copyright (c) 1988 University of Utah. 71 * 72 * This code is derived from software contributed to Berkeley by 73 * the Systems Programming Group of the University of Utah Computer 74 * Science Department. 75 * 76 * Redistribution and use in source and binary forms, with or without 77 * modification, are permitted provided that the following conditions 78 * are met: 79 * 1. Redistributions of source code must retain the above copyright 80 * notice, this list of conditions and the following disclaimer. 81 * 2. Redistributions in binary form must reproduce the above copyright 82 * notice, this list of conditions and the following disclaimer in the 83 * documentation and/or other materials provided with the distribution. 84 * 3. All advertising materials mentioning features or use of this software 85 * must display the following acknowledgement: 86 * This product includes software developed by the University of 87 * California, Berkeley and its contributors. 88 * 4. Neither the name of the University nor the names of its contributors 89 * may be used to endorse or promote products derived from this software 90 * without specific prior written permission. 91 * 92 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 93 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 94 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 95 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 96 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 97 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 98 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 99 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 100 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 101 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 102 * SUCH DAMAGE. 103 * 104 * from: Utah $Hdr: rd.c 1.44 92/12/26$ 105 * 106 * @(#)rd.c 8.2 (Berkeley) 5/19/94 107 */ 108 109 /* 110 * CS80/SS80 disk driver 111 */ 112 113 #include <sys/cdefs.h> 114 __KERNEL_RCSID(0, "$NetBSD: rd.c,v 1.23 2009/03/14 15:36:17 dsl Exp $"); 115 116 #include "rnd.h" 117 118 #include <sys/param.h> 119 #include <sys/systm.h> 120 #include <sys/buf.h> 121 #include <sys/bufq.h> 122 #include <sys/callout.h> 123 #include <sys/conf.h> 124 #include <sys/device.h> 125 #include <sys/disk.h> 126 #include <sys/disklabel.h> 127 #include <sys/endian.h> 128 #include <sys/fcntl.h> 129 #include <sys/ioctl.h> 130 #include <sys/proc.h> 131 #include <sys/stat.h> 132 133 #if NRND > 0 134 #include <sys/rnd.h> 135 #endif 136 137 #include <dev/gpib/gpibvar.h> 138 #include <dev/gpib/cs80busvar.h> 139 140 #include <dev/gpib/rdreg.h> 141 142 #ifdef DEBUG 143 int rddebug = 0xff; 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 #define DPRINTF(mask, str) if (rddebug & (mask)) printf str 151 #else 152 #define DPRINTF(mask, str) /* nothing */ 153 #endif 154 155 struct rd_softc { 156 struct device sc_dev; 157 gpib_chipset_tag_t sc_ic; 158 gpib_handle_t sc_hdl; 159 160 struct disk sc_dk; 161 162 int sc_slave; /* GPIB slave */ 163 int sc_punit; /* physical unit on slave */ 164 165 int sc_flags; 166 #define RDF_ALIVE 0x01 167 #define RDF_SEEK 0x02 168 #define RDF_SWAIT 0x04 169 #define RDF_OPENING 0x08 170 #define RDF_CLOSING 0x10 171 #define RDF_WANTED 0x20 172 #define RDF_WLABEL 0x40 173 174 u_int16_t sc_type; 175 u_int8_t *sc_addr; 176 int sc_resid; 177 struct rd_iocmd sc_ioc; 178 struct bufq_state *sc_tab; 179 int sc_active; 180 int sc_errcnt; 181 182 struct callout sc_restart_ch; 183 184 #if NRND > 0 185 rndsource_element_t rnd_source; 186 #endif 187 }; 188 189 #define RDUNIT(dev) DISKUNIT(dev) 190 #define RDPART(dev) DISKPART(dev) 191 #define RDMAKEDEV(maj, unit, part) MAKEDISKDEV(maj, unit, part) 192 #define RDLABELDEV(dev) (RDMAKEDEV(major(dev), RDUNIT(dev), RAW_PART)) 193 194 #define RDRETRY 5 195 #define RDWAITC 1 /* min time for timeout in seconds */ 196 197 int rderrthresh = RDRETRY-1; /* when to start reporting errors */ 198 199 /* 200 * Misc. HW description, indexed by sc_type. 201 * Used for mapping 256-byte sectors for 512-byte sectors 202 */ 203 const struct rdidentinfo { 204 u_int16_t ri_hwid; /* 2 byte HW id */ 205 u_int16_t ri_maxunum; /* maximum allowed unit number */ 206 const char *ri_desc; /* drive type description */ 207 int ri_nbpt; /* DEV_BSIZE blocks per track */ 208 int ri_ntpc; /* tracks per cylinder */ 209 int ri_ncyl; /* cylinders per unit */ 210 int ri_nblocks; /* DEV_BSIZE blocks on disk */ 211 } rdidentinfo[] = { 212 { RD7946AID, 0, "7945A", NRD7945ABPT, 213 NRD7945ATRK, 968, 108416 }, 214 215 { RD9134DID, 1, "9134D", NRD9134DBPT, 216 NRD9134DTRK, 303, 29088 }, 217 218 { RD9134LID, 1, "9122S", NRD9122SBPT, 219 NRD9122STRK, 77, 1232 }, 220 221 { RD7912PID, 0, "7912P", NRD7912PBPT, 222 NRD7912PTRK, 572, 128128 }, 223 224 { RD7914PID, 0, "7914P", NRD7914PBPT, 225 NRD7914PTRK, 1152, 258048 }, 226 227 { RD7958AID, 0, "7958A", NRD7958ABPT, 228 NRD7958ATRK, 1013, 255276 }, 229 230 { RD7957AID, 0, "7957A", NRD7957ABPT, 231 NRD7957ATRK, 1036, 159544 }, 232 233 { RD7933HID, 0, "7933H", NRD7933HBPT, 234 NRD7933HTRK, 1321, 789958 }, 235 236 { RD9134LID, 1, "9134L", NRD9134LBPT, 237 NRD9134LTRK, 973, 77840 }, 238 239 { RD7936HID, 0, "7936H", NRD7936HBPT, 240 NRD7936HTRK, 698, 600978 }, 241 242 { RD7937HID, 0, "7937H", NRD7937HBPT, 243 NRD7937HTRK, 698, 1116102 }, 244 245 { RD7914CTID, 0, "7914CT", NRD7914PBPT, 246 NRD7914PTRK, 1152, 258048 }, 247 248 { RD7946AID, 0, "7946A", NRD7945ABPT, 249 NRD7945ATRK, 968, 108416 }, 250 251 { RD9134LID, 1, "9122D", NRD9122SBPT, 252 NRD9122STRK, 77, 1232 }, 253 254 { RD7957BID, 0, "7957B", NRD7957BBPT, 255 NRD7957BTRK, 1269, 159894 }, 256 257 { RD7958BID, 0, "7958B", NRD7958BBPT, 258 NRD7958BTRK, 786, 297108 }, 259 260 { RD7959BID, 0, "7959B", NRD7959BBPT, 261 NRD7959BTRK, 1572, 594216 }, 262 263 { RD2200AID, 0, "2200A", NRD2200ABPT, 264 NRD2200ATRK, 1449, 654948 }, 265 266 { RD2203AID, 0, "2203A", NRD2203ABPT, 267 NRD2203ATRK, 1449, 1309896 } 268 }; 269 int numrdidentinfo = sizeof(rdidentinfo) / sizeof(rdidentinfo[0]); 270 271 int rdlookup(int, int, int); 272 int rdgetinfo(struct rd_softc *); 273 void rdrestart(void *); 274 struct buf *rdfinish(struct rd_softc *, struct buf *); 275 276 void rdgetcompatlabel(struct rd_softc *, struct disklabel *); 277 void rdgetdefaultlabel(struct rd_softc *, struct disklabel *); 278 void rdrestart(void *); 279 void rdustart(struct rd_softc *); 280 struct buf *rdfinish(struct rd_softc *, struct buf *); 281 void rdcallback(void *, int); 282 void rdstart(struct rd_softc *); 283 void rdintr(struct rd_softc *); 284 int rderror(struct rd_softc *); 285 286 int rdmatch(struct device *, struct cfdata *, void *); 287 void rdattach(struct device *, struct device *, void *); 288 289 CFATTACH_DECL(rd, sizeof(struct rd_softc), 290 rdmatch, rdattach, NULL, NULL); 291 292 293 dev_type_open(rdopen); 294 dev_type_close(rdclose); 295 dev_type_read(rdread); 296 dev_type_write(rdwrite); 297 dev_type_ioctl(rdioctl); 298 dev_type_strategy(rdstrategy); 299 dev_type_dump(rddump); 300 dev_type_size(rdsize); 301 302 const struct bdevsw rd_bdevsw = { 303 rdopen, rdclose, rdstrategy, rdioctl, rddump, rdsize, D_DISK 304 }; 305 306 const struct cdevsw rd_cdevsw = { 307 rdopen, rdclose, rdread, rdwrite, rdioctl, 308 nostop, notty, nopoll, nommap, nokqfilter, D_DISK 309 }; 310 311 extern struct cfdriver rd_cd; 312 313 int 314 rdlookup(int id, int slave, int punit) 315 { 316 int i; 317 318 for (i = 0; i < numrdidentinfo; i++) { 319 if (rdidentinfo[i].ri_hwid == id) 320 break; 321 } 322 if (i == numrdidentinfo || punit > rdidentinfo[i].ri_maxunum) 323 return (-1); 324 return (i); 325 } 326 327 int 328 rdmatch(struct device *parent, struct cfdata *match, void *aux) 329 { 330 struct cs80bus_attach_args *ca = aux; 331 332 if (rdlookup(ca->ca_id, ca->ca_slave, ca->ca_punit) < 0) 333 return (0); 334 return (1); 335 } 336 337 void 338 rdattach(parent, self, aux) 339 struct device *parent, *self; 340 void *aux; 341 { 342 struct rd_softc *sc = device_private(self); 343 struct cs80bus_attach_args *ca = aux; 344 struct cs80_description csd; 345 char name[7]; 346 int type, i, n; 347 348 sc->sc_ic = ca->ca_ic; 349 sc->sc_slave = ca->ca_slave; 350 sc->sc_punit = ca->ca_punit; 351 352 if ((type = rdlookup(ca->ca_id, ca->ca_slave, ca->ca_punit)) < 0) 353 return; 354 355 if (cs80reset(parent, sc->sc_slave, sc->sc_punit)) { 356 aprint_normal("\n"); 357 aprint_error_dev(&sc->sc_dev, "can't reset device\n"); 358 return; 359 } 360 361 if (cs80describe(parent, sc->sc_slave, sc->sc_punit, &csd)) { 362 aprint_normal("\n"); 363 aprint_error_dev(&sc->sc_dev, "didn't respond to describe command\n"); 364 return; 365 } 366 memset(name, 0, sizeof(name)); 367 for (i=0, n=0; i<3; i++) { 368 name[n++] = (csd.d_name[i] >> 4) + '0'; 369 name[n++] = (csd.d_name[i] & 0x0f) + '0'; 370 } 371 372 #ifdef DEBUG 373 if (rddebug & RDB_IDENT) { 374 printf("\n%s: name: ('%s')\n", 375 device_xname(&sc->sc_dev), name); 376 printf(" iuw %x, maxxfr %d, ctype %d\n", 377 csd.d_iuw, csd.d_cmaxxfr, csd.d_ctype); 378 printf(" utype %d, bps %d, blkbuf %d, burst %d, blktime %d\n", 379 csd.d_utype, csd.d_sectsize, 380 csd.d_blkbuf, csd.d_burstsize, csd.d_blocktime); 381 printf(" avxfr %d, ort %d, atp %d, maxint %d, fv %x, rv %x\n", 382 csd.d_uavexfr, csd.d_retry, csd.d_access, 383 csd.d_maxint, csd.d_fvbyte, csd.d_rvbyte); 384 printf(" maxcyl/head/sect %d/%d/%d, maxvsect %d, inter %d\n", 385 csd.d_maxcylhead >> 8, csd.d_maxcylhead & 0xff, 386 csd.d_maxsect, csd.d_maxvsectl, csd.d_interleave); 387 printf("%s", device_xname(&sc->sc_dev)); 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 (ca->ca_id) { 398 case RD7946AID: 399 if (memcmp(name, "079450", 6) == 0) 400 type = RD7945A; 401 else 402 type = RD7946A; 403 break; 404 405 case RD9134LID: 406 if (memcmp(name, "091340", 6) == 0) 407 type = RD9134L; 408 else 409 type = RD9122D; 410 break; 411 412 case RD9134DID: 413 if (memcmp(name, "091220", 6) == 0) 414 type = RD9122S; 415 else 416 type = RD9134D; 417 break; 418 } 419 420 sc->sc_type = type; 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[type].ri_desc); 428 printf("%s: %d cylinders, %d heads, %d blocks, %d bytes/block\n", 429 device_xname(&sc->sc_dev), rdidentinfo[type].ri_ncyl, 430 rdidentinfo[type].ri_ntpc, rdidentinfo[type].ri_nblocks, 431 DEV_BSIZE); 432 433 bufq_alloc(&sc->sc_tab, "fcfs", 0); 434 435 /* 436 * Initialize and attach the disk structure. 437 */ 438 memset(&sc->sc_dk, 0, sizeof(sc->sc_dk)); 439 disk_init(&sc->sc_dk, device_xname(&sc->sc_dev), NULL); 440 disk_attach(&sc->sc_dk); 441 442 callout_init(&sc->sc_restart_ch, 0); 443 444 if (gpibregister(sc->sc_ic, sc->sc_slave, rdcallback, sc, 445 &sc->sc_hdl)) { 446 aprint_error_dev(&sc->sc_dev, "can't register callback\n"); 447 return; 448 } 449 450 sc->sc_flags = RDF_ALIVE; 451 #ifdef DEBUG 452 /* always report errors */ 453 if (rddebug & RDB_ERROR) 454 rderrthresh = 0; 455 #endif 456 #if NRND > 0 457 /* 458 * attach the device into the random source list 459 */ 460 rnd_attach_source(&sc->rnd_source, device_xname(&sc->sc_dev), 461 RND_TYPE_DISK, 0); 462 #endif 463 } 464 465 /* 466 * Read or construct a disklabel 467 */ 468 int 469 rdgetinfo(struct rd_softc *sc) 470 { 471 struct disklabel *lp = sc->sc_dk.dk_label; 472 struct partition *pi; 473 const char *msg; 474 475 memset(sc->sc_dk.dk_cpulabel, 0, sizeof(struct cpu_disklabel)); 476 477 rdgetdefaultlabel(sc, lp); 478 479 /* 480 * Call the generic disklabel extraction routine 481 */ 482 msg = readdisklabel(RDMAKEDEV(0, device_unit(&sc->sc_dev), RAW_PART), 483 rdstrategy, lp, NULL); 484 if (msg == NULL) 485 return (0); 486 487 pi = lp->d_partitions; 488 printf("%s: WARNING: %s\n", device_xname(&sc->sc_dev), msg); 489 490 pi[RAW_PART].p_size = rdidentinfo[sc->sc_type].ri_nblocks; 491 lp->d_npartitions = RAW_PART+1; 492 pi[0].p_size = 0; 493 494 return (0); 495 } 496 497 int 498 rdopen(dev_t dev, int flags, int mode, struct lwp *l) 499 { 500 struct rd_softc *sc; 501 int error, mask, part; 502 503 sc = device_lookup_private(&rd_cd, RDUNIT(dev)); 504 if (sc == NULL || (sc->sc_flags & RDF_ALIVE) ==0) 505 return (ENXIO); 506 507 /* 508 * Wait for any pending opens/closes to complete 509 */ 510 while (sc->sc_flags & (RDF_OPENING | RDF_CLOSING)) 511 (void) tsleep(sc, PRIBIO, "rdopen", 0); 512 513 /* 514 * On first open, get label and partition info. 515 * We may block reading the label, so be careful 516 * to stop any other opens. 517 */ 518 if (sc->sc_dk.dk_openmask == 0) { 519 sc->sc_flags |= RDF_OPENING; 520 error = rdgetinfo(sc); 521 sc->sc_flags &= ~RDF_OPENING; 522 wakeup((void *)sc); 523 if (error) 524 return (error); 525 } 526 527 part = RDPART(dev); 528 mask = 1 << part; 529 530 /* Check that the partition exists. */ 531 if (part != RAW_PART && (part > sc->sc_dk.dk_label->d_npartitions || 532 sc->sc_dk.dk_label->d_partitions[part].p_fstype == FS_UNUSED)) 533 return (ENXIO); 534 535 /* Ensure only one open at a time. */ 536 switch (mode) { 537 case S_IFCHR: 538 sc->sc_dk.dk_copenmask |= mask; 539 break; 540 case S_IFBLK: 541 sc->sc_dk.dk_bopenmask |= mask; 542 break; 543 } 544 sc->sc_dk.dk_openmask = 545 sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 546 547 return (0); 548 } 549 550 int 551 rdclose(dev_t dev, int flag, int mode, struct lwp *l) 552 { 553 struct rd_softc *sc; 554 struct disk *dk; 555 int mask, s; 556 557 sc = device_lookup_private(&rd_cd, RDUNIT(dev)); 558 if (sc == NULL) 559 return (ENXIO); 560 561 dk = &sc->sc_dk; 562 563 mask = 1 << RDPART(dev); 564 if (mode == S_IFCHR) 565 dk->dk_copenmask &= ~mask; 566 else 567 dk->dk_bopenmask &= ~mask; 568 dk->dk_openmask = dk->dk_copenmask | dk->dk_bopenmask; 569 /* 570 * On last close, we wait for all activity to cease since 571 * the label/parition info will become invalid. Since we 572 * might sleep, we must block any opens while we are here. 573 * Note we don't have to about other closes since we know 574 * we are the last one. 575 */ 576 if (dk->dk_openmask == 0) { 577 sc->sc_flags |= RDF_CLOSING; 578 s = splbio(); 579 while (sc->sc_active) { 580 sc->sc_flags |= RDF_WANTED; 581 (void) tsleep(&sc->sc_tab, PRIBIO, "rdclose", 0); 582 } 583 splx(s); 584 sc->sc_flags &= ~(RDF_CLOSING | RDF_WLABEL); 585 wakeup((void *)sc); 586 } 587 return (0); 588 } 589 590 void 591 rdstrategy(struct buf *bp) 592 { 593 struct rd_softc *sc; 594 struct partition *pinfo; 595 daddr_t bn; 596 int sz, s; 597 int offset; 598 599 sc = device_lookup_private(&rd_cd, RDUNIT(bp->b_dev)); 600 601 DPRINTF(RDB_FOLLOW, 602 ("rdstrategy(%p): dev %x, bn %" PRId64 ", bcount %ld, %c\n", 603 bp, bp->b_dev, bp->b_blkno, bp->b_bcount, 604 (bp->b_flags & B_READ) ? 'R' : 'W')); 605 606 bn = bp->b_blkno; 607 sz = howmany(bp->b_bcount, DEV_BSIZE); 608 pinfo = &sc->sc_dk.dk_label->d_partitions[RDPART(bp->b_dev)]; 609 610 /* Don't perform partition translation on RAW_PART. */ 611 offset = (RDPART(bp->b_dev) == RAW_PART) ? 0 : pinfo->p_offset; 612 613 if (RDPART(bp->b_dev) != RAW_PART) { 614 /* 615 * XXX This block of code belongs in 616 * XXX bounds_check_with_label() 617 */ 618 619 if (bn < 0 || bn + sz > pinfo->p_size) { 620 sz = pinfo->p_size - bn; 621 if (sz == 0) { 622 bp->b_resid = bp->b_bcount; 623 goto done; 624 } 625 if (sz < 0) { 626 bp->b_error = EINVAL; 627 goto done; 628 } 629 bp->b_bcount = dbtob(sz); 630 } 631 /* 632 * Check for write to write protected label 633 */ 634 if (bn + offset <= LABELSECTOR && 635 #if LABELSECTOR != 0 636 bn + offset + sz > LABELSECTOR && 637 #endif 638 !(bp->b_flags & B_READ) && !(sc->sc_flags & RDF_WLABEL)) { 639 bp->b_error = EROFS; 640 goto done; 641 } 642 } 643 bp->b_rawblkno = bn + offset; 644 s = splbio(); 645 bufq_put(sc->sc_tab, bp); 646 if (sc->sc_active == 0) { 647 sc->sc_active = 1; 648 rdustart(sc); 649 } 650 splx(s); 651 return; 652 done: 653 biodone(bp); 654 } 655 656 /* 657 * Called from timeout() when handling maintenance releases 658 * callout from timeouts 659 */ 660 void 661 rdrestart(void *arg) 662 { 663 int s = splbio(); 664 rdustart((struct rd_softc *)arg); 665 splx(s); 666 } 667 668 669 /* called by rdstrategy() to start a block transfer */ 670 /* called by rdrestart() when handingly timeouts */ 671 /* called by rdintr() */ 672 void 673 rdustart(struct rd_softc *sc) 674 { 675 struct buf *bp; 676 677 bp = bufq_peek(sc->sc_tab); 678 sc->sc_addr = bp->b_data; 679 sc->sc_resid = bp->b_bcount; 680 if (gpibrequest(sc->sc_ic, sc->sc_hdl)) 681 rdstart(sc); 682 } 683 684 struct buf * 685 rdfinish(struct rd_softc *sc, struct buf *bp) 686 { 687 688 sc->sc_errcnt = 0; 689 (void)bufq_get(sc->sc_tab); 690 bp->b_resid = 0; 691 biodone(bp); 692 gpibrelease(sc->sc_ic, sc->sc_hdl); 693 if ((bp = bufq_peek(sc->sc_tab)) != NULL) 694 return (bp); 695 sc->sc_active = 0; 696 if (sc->sc_flags & RDF_WANTED) { 697 sc->sc_flags &= ~RDF_WANTED; 698 wakeup((void *)&sc->sc_tab); 699 } 700 return (NULL); 701 } 702 703 void 704 rdcallback(void *v, int action) 705 { 706 struct rd_softc *sc = v; 707 708 DPRINTF(RDB_FOLLOW, ("rdcallback: v=%p, action=%d\n", v, action)); 709 710 switch (action) { 711 case GPIBCBF_START: 712 rdstart(sc); 713 break; 714 case GPIBCBF_INTR: 715 rdintr(sc); 716 break; 717 #ifdef DEBUG 718 default: 719 DPRINTF(RDB_ERROR, ("rdcallback: unknown action %d\n", 720 action)); 721 break; 722 #endif 723 } 724 } 725 726 727 /* called from rdustart() to start a transfer */ 728 /* called from gpib interface as the initiator */ 729 void 730 rdstart(struct rd_softc *sc) 731 { 732 struct buf *bp = bufq_peek(sc->sc_tab); 733 int part, slave, punit; 734 735 slave = sc->sc_slave; 736 punit = sc->sc_punit; 737 738 DPRINTF(RDB_FOLLOW, ("rdstart(%s): bp %p, %c\n", 739 device_xname(&sc->sc_dev), bp, (bp->b_flags & B_READ) ? 'R' : 'W')); 740 741 again: 742 743 part = RDPART(bp->b_dev); 744 sc->sc_flags |= RDF_SEEK; 745 sc->sc_ioc.c_unit = CS80CMD_SUNIT(punit); 746 sc->sc_ioc.c_volume = CS80CMD_SVOL(0); 747 sc->sc_ioc.c_saddr = CS80CMD_SADDR; 748 sc->sc_ioc.c_hiaddr = htobe16(0); 749 sc->sc_ioc.c_addr = htobe32(RDBTOS(bp->b_rawblkno)); 750 sc->sc_ioc.c_nop2 = CS80CMD_NOP; 751 sc->sc_ioc.c_slen = CS80CMD_SLEN; 752 sc->sc_ioc.c_len = htobe32(sc->sc_resid); 753 sc->sc_ioc.c_cmd = bp->b_flags & B_READ ? CS80CMD_READ : CS80CMD_WRITE; 754 755 if (gpibsend(sc->sc_ic, slave, CS80CMD_SCMD, &sc->sc_ioc.c_unit, 756 sizeof(sc->sc_ioc)-1) == sizeof(sc->sc_ioc)-1) { 757 /* Instrumentation. */ 758 disk_busy(&sc->sc_dk); 759 iostat_seek(sc->sc_dk.dk_stats); 760 gpibawait(sc->sc_ic); 761 return; 762 } 763 /* 764 * Experience has shown that the gpibwait in this gpibsend will 765 * occasionally timeout. It appears to occur mostly on old 7914 766 * drives with full maintenance tracks. We should probably 767 * integrate this with the backoff code in rderror. 768 */ 769 770 DPRINTF(RDB_ERROR, 771 ("rdstart: cmd %x adr %ul blk %" PRId64 " len %d ecnt %d\n", 772 sc->sc_ioc.c_cmd, sc->sc_ioc.c_addr, bp->b_blkno, sc->sc_resid, 773 sc->sc_errcnt)); 774 775 sc->sc_flags &= ~RDF_SEEK; 776 cs80reset(device_parent(&sc->sc_dev), slave, punit); 777 if (sc->sc_errcnt++ < RDRETRY) 778 goto again; 779 printf("%s: rdstart err: cmd 0x%x sect %uld blk %" PRId64 " len %d\n", 780 device_xname(&sc->sc_dev), sc->sc_ioc.c_cmd, sc->sc_ioc.c_addr, 781 bp->b_blkno, sc->sc_resid); 782 bp->b_error = EIO; 783 bp = rdfinish(sc, bp); 784 if (bp) { 785 sc->sc_addr = bp->b_data; 786 sc->sc_resid = bp->b_bcount; 787 if (gpibrequest(sc->sc_ic, sc->sc_hdl)) 788 goto again; 789 } 790 } 791 792 void 793 rdintr(struct rd_softc *sc) 794 { 795 struct buf *bp; 796 u_int8_t stat = 13; /* in case gpibrecv fails */ 797 int rv, dir, restart, slave; 798 799 slave = sc->sc_slave; 800 bp = bufq_peek(sc->sc_tab); 801 802 DPRINTF(RDB_FOLLOW, ("rdintr(%s): bp %p, %c, flags %x\n", 803 device_xname(&sc->sc_dev), bp, (bp->b_flags & B_READ) ? 'R' : 'W', 804 sc->sc_flags)); 805 806 disk_unbusy(&sc->sc_dk, (bp->b_bcount - bp->b_resid), 807 (bp->b_flags & B_READ)); 808 809 if (sc->sc_flags & RDF_SEEK) { 810 sc->sc_flags &= ~RDF_SEEK; 811 dir = (bp->b_flags & B_READ ? GPIB_READ : GPIB_WRITE); 812 gpibxfer(sc->sc_ic, slave, CS80CMD_EXEC, sc->sc_addr, 813 sc->sc_resid, dir, dir == GPIB_READ); 814 disk_busy(&sc->sc_dk); 815 return; 816 } 817 if ((sc->sc_flags & RDF_SWAIT) == 0) { 818 if (gpibpptest(sc->sc_ic, slave) == 0) { 819 /* Instrumentation. */ 820 disk_busy(&sc->sc_dk); 821 sc->sc_flags |= RDF_SWAIT; 822 gpibawait(sc->sc_ic); 823 return; 824 } 825 } else 826 sc->sc_flags &= ~RDF_SWAIT; 827 rv = gpibrecv(sc->sc_ic, slave, CS80CMD_QSTAT, &stat, 1); 828 if (rv != 1 || stat) { 829 DPRINTF(RDB_ERROR, 830 ("rdintr: receive failed (rv=%d) or bad stat %d\n", rv, 831 stat)); 832 restart = rderror(sc); 833 if (sc->sc_errcnt++ < RDRETRY) { 834 if (restart) 835 rdstart(sc); 836 return; 837 } 838 bp->b_error = EIO; 839 } 840 if (rdfinish(sc, bp) != NULL) 841 rdustart(sc); 842 #if NRND > 0 843 rnd_add_uint32(&sc->rnd_source, bp->b_blkno); 844 #endif 845 } 846 847 /* 848 * Deal with errors. 849 * Returns 1 if request should be restarted, 850 * 0 if we should just quietly give up. 851 */ 852 int 853 rderror(struct rd_softc *sc) 854 { 855 struct cs80_stat css; 856 struct buf *bp; 857 daddr_t hwbn, pbn; 858 859 DPRINTF(RDB_FOLLOW, ("rderror: sc=%p\n", sc)); 860 861 if (cs80status(device_parent(&sc->sc_dev), sc->sc_slave, 862 sc->sc_punit, &css)) { 863 cs80reset(device_parent(&sc->sc_dev), sc->sc_slave, 864 sc->sc_punit); 865 return (1); 866 } 867 #ifdef DEBUG 868 if (rddebug & RDB_ERROR) { /* status info */ 869 printf("\n volume: %d, unit: %d\n", 870 (css.c_vu>>4)&0xF, css.c_vu&0xF); 871 printf(" reject 0x%x\n", css.c_ref); 872 printf(" fault 0x%x\n", css.c_fef); 873 printf(" access 0x%x\n", css.c_aef); 874 printf(" info 0x%x\n", css.c_ief); 875 printf(" block, P1-P10: "); 876 printf("0x%x", *(u_int32_t *)&css.c_raw[0]); 877 printf("0x%x", *(u_int32_t *)&css.c_raw[4]); 878 printf("0x%x\n", *(u_int16_t *)&css.c_raw[8]); 879 } 880 #endif 881 if (css.c_fef & FEF_REXMT) 882 return (1); 883 if (css.c_fef & FEF_PF) { 884 cs80reset(device_parent(&sc->sc_dev), sc->sc_slave, 885 sc->sc_punit); 886 return (1); 887 } 888 /* 889 * Unit requests release for internal maintenance. 890 * We just delay awhile and try again later. Use expontially 891 * increasing backoff ala ethernet drivers since we don't really 892 * know how long the maintenance will take. With RDWAITC and 893 * RDRETRY as defined, the range is 1 to 32 seconds. 894 */ 895 if (css.c_fef & FEF_IMR) { 896 extern int hz; 897 int rdtimo = RDWAITC << sc->sc_errcnt; 898 DPRINTF(RDB_STATUS, 899 ("%s: internal maintenance, %d-second timeout\n", 900 device_xname(&sc->sc_dev), rdtimo)); 901 gpibrelease(sc->sc_ic, sc->sc_hdl); 902 callout_reset(&sc->sc_restart_ch, rdtimo * hz, rdrestart, sc); 903 return (0); 904 } 905 /* 906 * Only report error if we have reached the error reporting 907 * threshhold. By default, this will only report after the 908 * retry limit has been exceeded. 909 */ 910 if (sc->sc_errcnt < rderrthresh) 911 return (1); 912 913 /* 914 * First conjure up the block number at which the error occurred. 915 */ 916 bp = bufq_peek(sc->sc_tab); 917 pbn = sc->sc_dk.dk_label->d_partitions[RDPART(bp->b_dev)].p_offset; 918 if ((css.c_fef & FEF_CU) || (css.c_fef & FEF_DR) || 919 (css.c_ief & IEF_RRMASK)) { 920 /* 921 * Not all errors report a block number, just use b_blkno. 922 */ 923 hwbn = RDBTOS(pbn + bp->b_blkno); 924 pbn = bp->b_blkno; 925 } else { 926 hwbn = css.c_blk; 927 pbn = RDSTOB(hwbn) - pbn; 928 } 929 #ifdef DEBUG 930 if (rddebug & RDB_ERROR) { /* status info */ 931 printf("\n volume: %d, unit: %d\n", 932 (css.c_vu>>4)&0xF, css.c_vu&0xF); 933 printf(" reject 0x%x\n", css.c_ref); 934 printf(" fault 0x%x\n", css.c_fef); 935 printf(" access 0x%x\n", css.c_aef); 936 printf(" info 0x%x\n", css.c_ief); 937 printf(" block, P1-P10: "); 938 printf(" block: %" PRId64 ", P1-P10: ", hwbn); 939 printf("0x%x", *(u_int32_t *)&css.c_raw[0]); 940 printf("0x%x", *(u_int32_t *)&css.c_raw[4]); 941 printf("0x%x\n", *(u_int16_t *)&css.c_raw[8]); 942 } 943 #endif 944 #ifdef DEBUG 945 if (rddebug & RDB_ERROR) { /* command */ 946 printf(" ioc: "); 947 printf("0x%x", *(u_int32_t *)&sc->sc_ioc.c_pad); 948 printf("0x%x", *(u_int16_t *)&sc->sc_ioc.c_hiaddr); 949 printf("0x%x", *(u_int32_t *)&sc->sc_ioc.c_addr); 950 printf("0x%x", *(u_int16_t *)&sc->sc_ioc.c_nop2); 951 printf("0x%x", *(u_int32_t *)&sc->sc_ioc.c_len); 952 printf("0x%x\n", *(u_int16_t *)&sc->sc_ioc.c_cmd); 953 return (1); 954 } 955 #endif 956 /* 957 * Now output a generic message suitable for badsect. 958 * Note that we don't use harderr because it just prints 959 * out b_blkno which is just the beginning block number 960 * of the transfer, not necessary where the error occurred. 961 */ 962 printf("%s%c: hard error, sector number %" PRId64 "\n", 963 device_xname(&sc->sc_dev), 'a'+RDPART(bp->b_dev), pbn); 964 /* 965 * Now report the status as returned by the hardware with 966 * attempt at interpretation. 967 */ 968 printf("%s %s error:", device_xname(&sc->sc_dev), 969 (bp->b_flags & B_READ) ? "read" : "write"); 970 printf(" unit %d, volume %d R0x%x F0x%x A0x%x I0x%x\n", 971 css.c_vu&0xF, (css.c_vu>>4)&0xF, 972 css.c_ref, css.c_fef, css.c_aef, css.c_ief); 973 printf("P1-P10: "); 974 printf("0x%x ", *(u_int32_t *)&css.c_raw[0]); 975 printf("0x%x ", *(u_int32_t *)&css.c_raw[4]); 976 printf("0x%x\n", *(u_int16_t *)&css.c_raw[8]); 977 978 return (1); 979 } 980 981 int 982 rdread(dev_t dev, struct uio *uio, int flags) 983 { 984 985 return (physio(rdstrategy, NULL, dev, B_READ, minphys, uio)); 986 } 987 988 int 989 rdwrite(dev_t dev, struct uio *uio, int flags) 990 { 991 992 return (physio(rdstrategy, NULL, dev, B_WRITE, minphys, uio)); 993 } 994 995 int 996 rdioctl(dev_t dev, u_long cmd, void *data, int flag, struct lwp *l) 997 { 998 struct rd_softc *sc; 999 struct disklabel *lp; 1000 int error, flags; 1001 1002 sc = device_lookup_private(&rd_cd, RDUNIT(dev)); 1003 if (sc == NULL) 1004 return (ENXIO); 1005 lp = sc->sc_dk.dk_label; 1006 1007 DPRINTF(RDB_FOLLOW, ("rdioctl: sc=%p\n", sc)); 1008 1009 switch (cmd) { 1010 case DIOCGDINFO: 1011 *(struct disklabel *)data = *lp; 1012 return (0); 1013 1014 case DIOCGPART: 1015 ((struct partinfo *)data)->disklab = lp; 1016 ((struct partinfo *)data)->part = 1017 &lp->d_partitions[RDPART(dev)]; 1018 return (0); 1019 1020 case DIOCWLABEL: 1021 if ((flag & FWRITE) == 0) 1022 return (EBADF); 1023 if (*(int *)data) 1024 sc->sc_flags |= RDF_WLABEL; 1025 else 1026 sc->sc_flags &= ~RDF_WLABEL; 1027 return (0); 1028 1029 case DIOCSDINFO: 1030 if ((flag & FWRITE) == 0) 1031 return (EBADF); 1032 return (setdisklabel(lp, (struct disklabel *)data, 1033 (sc->sc_flags & RDF_WLABEL) ? 0 : sc->sc_dk.dk_openmask, 1034 (struct cpu_disklabel *)0)); 1035 1036 case DIOCWDINFO: 1037 if ((flag & FWRITE) == 0) 1038 return (EBADF); 1039 error = setdisklabel(lp, (struct disklabel *)data, 1040 (sc->sc_flags & RDF_WLABEL) ? 0 : sc->sc_dk.dk_openmask, 1041 (struct cpu_disklabel *)0); 1042 if (error) 1043 return (error); 1044 flags = sc->sc_flags; 1045 sc->sc_flags = RDF_ALIVE | RDF_WLABEL; 1046 error = writedisklabel(RDLABELDEV(dev), rdstrategy, lp, 1047 (struct cpu_disklabel *)0); 1048 sc->sc_flags = flags; 1049 return (error); 1050 1051 case DIOCGDEFLABEL: 1052 rdgetdefaultlabel(sc, (struct disklabel *)data); 1053 return (0); 1054 } 1055 return (EINVAL); 1056 } 1057 1058 void 1059 rdgetdefaultlabel(struct rd_softc *sc, struct disklabel *lp) 1060 { 1061 int type = sc->sc_type; 1062 1063 memset((void *)lp, 0, sizeof(struct disklabel)); 1064 1065 lp->d_type = DTYPE_GPIB; 1066 lp->d_secsize = DEV_BSIZE; 1067 lp->d_nsectors = rdidentinfo[type].ri_nbpt; 1068 lp->d_ntracks = rdidentinfo[type].ri_ntpc; 1069 lp->d_ncylinders = rdidentinfo[type].ri_ncyl; 1070 lp->d_secpercyl = lp->d_ntracks * lp->d_nsectors; 1071 lp->d_secperunit = lp->d_ncylinders * lp->d_secpercyl; 1072 1073 strncpy(lp->d_typename, rdidentinfo[type].ri_desc, 16); 1074 strncpy(lp->d_packname, "fictitious", 16); 1075 lp->d_rpm = 3000; 1076 lp->d_interleave = 1; 1077 lp->d_flags = 0; 1078 1079 lp->d_partitions[RAW_PART].p_offset = 0; 1080 lp->d_partitions[RAW_PART].p_size = 1081 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 1082 lp->d_partitions[RAW_PART].p_fstype = FS_UNUSED; 1083 lp->d_npartitions = RAW_PART + 1; 1084 1085 lp->d_magic = DISKMAGIC; 1086 lp->d_magic2 = DISKMAGIC; 1087 lp->d_checksum = dkcksum(lp); 1088 } 1089 1090 int 1091 rdsize(dev_t dev) 1092 { 1093 struct rd_softc *sc; 1094 int psize, didopen = 0; 1095 1096 sc = device_lookup_private(&rd_cd, RDUNIT(dev)); 1097 if (sc == NULL || (sc->sc_flags & RDF_ALIVE) == 0) 1098 return (-1); 1099 1100 /* 1101 * We get called very early on (via swapconf) 1102 * without the device being open so we may need 1103 * to handle it here. 1104 */ 1105 if (sc->sc_dk.dk_openmask == 0) { 1106 if (rdopen(dev, FREAD | FWRITE, S_IFBLK, NULL)) 1107 return (-1); 1108 didopen = 1; 1109 } 1110 psize = sc->sc_dk.dk_label->d_partitions[RDPART(dev)].p_size * 1111 (sc->sc_dk.dk_label->d_secsize / DEV_BSIZE); 1112 if (didopen) 1113 (void) rdclose(dev, FREAD | FWRITE, S_IFBLK, NULL); 1114 return (psize); 1115 } 1116 1117 1118 static int rddoingadump; /* simple mutex */ 1119 1120 /* 1121 * Non-interrupt driven, non-dma dump routine. 1122 */ 1123 int 1124 rddump(dev_t dev, daddr_t blkno, void *va, size_t size) 1125 { 1126 struct rd_softc *sc; 1127 int sectorsize; /* size of a disk sector */ 1128 int nsects; /* number of sectors in partition */ 1129 int sectoff; /* sector offset of partition */ 1130 int totwrt; /* total number of sectors left to write */ 1131 int nwrt; /* current number of sectors to write */ 1132 int slave; 1133 struct disklabel *lp; 1134 u_int8_t stat; 1135 1136 /* Check for recursive dump; if so, punt. */ 1137 if (rddoingadump) 1138 return (EFAULT); 1139 rddoingadump = 1; 1140 1141 sc = device_lookup_private(&rd_cd, RDUNIT(dev)); 1142 if (sc == NULL || (sc->sc_flags & RDF_ALIVE) == 0) 1143 return (ENXIO); 1144 1145 DPRINTF(RDB_FOLLOW, ("rddump: sc=%p\n", sc)); 1146 1147 slave = sc->sc_slave; 1148 1149 /* 1150 * Convert to disk sectors. Request must be a multiple of size. 1151 */ 1152 lp = sc->sc_dk.dk_label; 1153 sectorsize = lp->d_secsize; 1154 if ((size % sectorsize) != 0) 1155 return (EFAULT); 1156 totwrt = size / sectorsize; 1157 blkno = dbtob(blkno) / sectorsize; /* blkno in DEV_BSIZE units */ 1158 1159 nsects = lp->d_partitions[RDPART(dev)].p_size; 1160 sectoff = lp->d_partitions[RDPART(dev)].p_offset; 1161 1162 /* Check transfer bounds against partition size. */ 1163 if ((blkno < 0) || (blkno + totwrt) > nsects) 1164 return (EINVAL); 1165 1166 /* Offset block number to start of partition. */ 1167 blkno += sectoff; 1168 1169 while (totwrt > 0) { 1170 nwrt = totwrt; /* XXX */ 1171 #ifndef RD_DUMP_NOT_TRUSTED 1172 /* 1173 * Fill out and send GPIB command. 1174 */ 1175 sc->sc_ioc.c_unit = CS80CMD_SUNIT(sc->sc_punit); 1176 sc->sc_ioc.c_volume = CS80CMD_SVOL(0); 1177 sc->sc_ioc.c_saddr = CS80CMD_SADDR; 1178 sc->sc_ioc.c_hiaddr = 0; 1179 sc->sc_ioc.c_addr = RDBTOS(blkno); 1180 sc->sc_ioc.c_nop2 = CS80CMD_NOP; 1181 sc->sc_ioc.c_slen = CS80CMD_SLEN; 1182 sc->sc_ioc.c_len = nwrt * sectorsize; 1183 sc->sc_ioc.c_cmd = CS80CMD_WRITE; 1184 (void) gpibsend(sc->sc_ic, slave, CS80CMD_SCMD, 1185 &sc->sc_ioc.c_unit, sizeof(sc->sc_ioc)-3); 1186 if (gpibswait(sc->sc_ic, slave)) 1187 return (EIO); 1188 /* 1189 * Send the data. 1190 */ 1191 (void) gpibsend(sc->sc_ic, slave, CS80CMD_EXEC, va, 1192 nwrt * sectorsize); 1193 (void) gpibswait(sc->sc_ic, slave); 1194 (void) gpibrecv(sc->sc_ic, slave, CS80CMD_QSTAT, &stat, 1); 1195 if (stat) 1196 return (EIO); 1197 #else /* RD_DUMP_NOT_TRUSTED */ 1198 /* Let's just talk about this first... */ 1199 printf("%s: dump addr %p, blk %d\n", device_xname(&sc->sc_dev), 1200 va, blkno); 1201 delay(500 * 1000); /* half a second */ 1202 #endif /* RD_DUMP_NOT_TRUSTED */ 1203 1204 /* update block count */ 1205 totwrt -= nwrt; 1206 blkno += nwrt; 1207 va += sectorsize * nwrt; 1208 } 1209 rddoingadump = 0; 1210 return (0); 1211 } 1212