1 /* $NetBSD: rd.c,v 1.27 2009/09/12 18:46:42 tsutsui 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 1.27 2009/09/12 18:46:42 tsutsui 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(device_t, cfdata_t, void *); 287 void rdattach(device_t, device_t, 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(device_t parent, cfdata_t 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(device_t parent, device_t self, void *aux) 339 { 340 struct rd_softc *sc = device_private(self); 341 struct cs80bus_attach_args *ca = aux; 342 struct cs80_description csd; 343 char name[7]; 344 int type, i, n; 345 346 sc->sc_ic = ca->ca_ic; 347 sc->sc_slave = ca->ca_slave; 348 sc->sc_punit = ca->ca_punit; 349 350 if ((type = rdlookup(ca->ca_id, ca->ca_slave, ca->ca_punit)) < 0) 351 return; 352 353 if (cs80reset(parent, sc->sc_slave, sc->sc_punit)) { 354 aprint_normal("\n"); 355 aprint_error_dev(&sc->sc_dev, "can't reset device\n"); 356 return; 357 } 358 359 if (cs80describe(parent, sc->sc_slave, sc->sc_punit, &csd)) { 360 aprint_normal("\n"); 361 aprint_error_dev(&sc->sc_dev, "didn't respond to describe command\n"); 362 return; 363 } 364 memset(name, 0, sizeof(name)); 365 for (i=0, n=0; i<3; i++) { 366 name[n++] = (csd.d_name[i] >> 4) + '0'; 367 name[n++] = (csd.d_name[i] & 0x0f) + '0'; 368 } 369 370 #ifdef DEBUG 371 if (rddebug & RDB_IDENT) { 372 printf("\n%s: name: ('%s')\n", 373 device_xname(&sc->sc_dev), name); 374 printf(" iuw %x, maxxfr %d, ctype %d\n", 375 csd.d_iuw, csd.d_cmaxxfr, csd.d_ctype); 376 printf(" utype %d, bps %d, blkbuf %d, burst %d, blktime %d\n", 377 csd.d_utype, csd.d_sectsize, 378 csd.d_blkbuf, csd.d_burstsize, csd.d_blocktime); 379 printf(" avxfr %d, ort %d, atp %d, maxint %d, fv %x, rv %x\n", 380 csd.d_uavexfr, csd.d_retry, csd.d_access, 381 csd.d_maxint, csd.d_fvbyte, csd.d_rvbyte); 382 printf(" maxcyl/head/sect %d/%d/%d, maxvsect %d, inter %d\n", 383 csd.d_maxcylhead >> 8, csd.d_maxcylhead & 0xff, 384 csd.d_maxsect, csd.d_maxvsectl, csd.d_interleave); 385 printf("%s", device_xname(&sc->sc_dev)); 386 } 387 #endif 388 389 /* 390 * Take care of a couple of anomolies: 391 * 1. 7945A and 7946A both return same HW id 392 * 2. 9122S and 9134D both return same HW id 393 * 3. 9122D and 9134L both return same HW id 394 */ 395 switch (ca->ca_id) { 396 case RD7946AID: 397 if (memcmp(name, "079450", 6) == 0) 398 type = RD7945A; 399 else 400 type = RD7946A; 401 break; 402 403 case RD9134LID: 404 if (memcmp(name, "091340", 6) == 0) 405 type = RD9134L; 406 else 407 type = RD9122D; 408 break; 409 410 case RD9134DID: 411 if (memcmp(name, "091220", 6) == 0) 412 type = RD9122S; 413 else 414 type = RD9134D; 415 break; 416 } 417 418 sc->sc_type = type; 419 420 /* 421 * XXX We use DEV_BSIZE instead of the sector size value pulled 422 * XXX off the driver because all of this code assumes 512 byte 423 * XXX blocks. ICK! 424 */ 425 printf(": %s\n", rdidentinfo[type].ri_desc); 426 printf("%s: %d cylinders, %d heads, %d blocks, %d bytes/block\n", 427 device_xname(&sc->sc_dev), rdidentinfo[type].ri_ncyl, 428 rdidentinfo[type].ri_ntpc, rdidentinfo[type].ri_nblocks, 429 DEV_BSIZE); 430 431 bufq_alloc(&sc->sc_tab, "fcfs", 0); 432 433 /* 434 * Initialize and attach the disk structure. 435 */ 436 memset(&sc->sc_dk, 0, sizeof(sc->sc_dk)); 437 disk_init(&sc->sc_dk, device_xname(&sc->sc_dev), NULL); 438 disk_attach(&sc->sc_dk); 439 440 callout_init(&sc->sc_restart_ch, 0); 441 442 if (gpibregister(sc->sc_ic, sc->sc_slave, rdcallback, sc, 443 &sc->sc_hdl)) { 444 aprint_error_dev(&sc->sc_dev, "can't register callback\n"); 445 return; 446 } 447 448 sc->sc_flags = RDF_ALIVE; 449 #ifdef DEBUG 450 /* always report errors */ 451 if (rddebug & RDB_ERROR) 452 rderrthresh = 0; 453 #endif 454 #if NRND > 0 455 /* 456 * attach the device into the random source list 457 */ 458 rnd_attach_source(&sc->rnd_source, device_xname(&sc->sc_dev), 459 RND_TYPE_DISK, 0); 460 #endif 461 } 462 463 /* 464 * Read or construct a disklabel 465 */ 466 int 467 rdgetinfo(struct rd_softc *sc) 468 { 469 struct disklabel *lp = sc->sc_dk.dk_label; 470 struct partition *pi; 471 const char *msg; 472 473 memset(sc->sc_dk.dk_cpulabel, 0, sizeof(struct cpu_disklabel)); 474 475 rdgetdefaultlabel(sc, lp); 476 477 /* 478 * Call the generic disklabel extraction routine 479 */ 480 msg = readdisklabel(RDMAKEDEV(0, device_unit(&sc->sc_dev), RAW_PART), 481 rdstrategy, lp, NULL); 482 if (msg == NULL) 483 return (0); 484 485 pi = lp->d_partitions; 486 printf("%s: WARNING: %s\n", device_xname(&sc->sc_dev), msg); 487 488 pi[RAW_PART].p_size = rdidentinfo[sc->sc_type].ri_nblocks; 489 lp->d_npartitions = RAW_PART+1; 490 pi[0].p_size = 0; 491 492 return (0); 493 } 494 495 int 496 rdopen(dev_t dev, int flags, int mode, struct lwp *l) 497 { 498 struct rd_softc *sc; 499 int error, mask, part; 500 501 sc = device_lookup_private(&rd_cd, RDUNIT(dev)); 502 if (sc == NULL || (sc->sc_flags & RDF_ALIVE) ==0) 503 return (ENXIO); 504 505 /* 506 * Wait for any pending opens/closes to complete 507 */ 508 while (sc->sc_flags & (RDF_OPENING | RDF_CLOSING)) 509 (void) tsleep(sc, PRIBIO, "rdopen", 0); 510 511 /* 512 * On first open, get label and partition info. 513 * We may block reading the label, so be careful 514 * to stop any other opens. 515 */ 516 if (sc->sc_dk.dk_openmask == 0) { 517 sc->sc_flags |= RDF_OPENING; 518 error = rdgetinfo(sc); 519 sc->sc_flags &= ~RDF_OPENING; 520 wakeup((void *)sc); 521 if (error) 522 return (error); 523 } 524 525 part = RDPART(dev); 526 mask = 1 << part; 527 528 /* Check that the partition exists. */ 529 if (part != RAW_PART && (part > sc->sc_dk.dk_label->d_npartitions || 530 sc->sc_dk.dk_label->d_partitions[part].p_fstype == FS_UNUSED)) 531 return (ENXIO); 532 533 /* Ensure only one open at a time. */ 534 switch (mode) { 535 case S_IFCHR: 536 sc->sc_dk.dk_copenmask |= mask; 537 break; 538 case S_IFBLK: 539 sc->sc_dk.dk_bopenmask |= mask; 540 break; 541 } 542 sc->sc_dk.dk_openmask = 543 sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 544 545 return (0); 546 } 547 548 int 549 rdclose(dev_t dev, int flag, int mode, struct lwp *l) 550 { 551 struct rd_softc *sc; 552 struct disk *dk; 553 int mask, s; 554 555 sc = device_lookup_private(&rd_cd, RDUNIT(dev)); 556 if (sc == NULL) 557 return (ENXIO); 558 559 dk = &sc->sc_dk; 560 561 mask = 1 << RDPART(dev); 562 if (mode == S_IFCHR) 563 dk->dk_copenmask &= ~mask; 564 else 565 dk->dk_bopenmask &= ~mask; 566 dk->dk_openmask = dk->dk_copenmask | dk->dk_bopenmask; 567 /* 568 * On last close, we wait for all activity to cease since 569 * the label/parition info will become invalid. Since we 570 * might sleep, we must block any opens while we are here. 571 * Note we don't have to about other closes since we know 572 * we are the last one. 573 */ 574 if (dk->dk_openmask == 0) { 575 sc->sc_flags |= RDF_CLOSING; 576 s = splbio(); 577 while (sc->sc_active) { 578 sc->sc_flags |= RDF_WANTED; 579 (void) tsleep(&sc->sc_tab, PRIBIO, "rdclose", 0); 580 } 581 splx(s); 582 sc->sc_flags &= ~(RDF_CLOSING | RDF_WLABEL); 583 wakeup((void *)sc); 584 } 585 return (0); 586 } 587 588 void 589 rdstrategy(struct buf *bp) 590 { 591 struct rd_softc *sc; 592 struct partition *pinfo; 593 daddr_t bn; 594 int sz, s; 595 int offset; 596 597 sc = device_lookup_private(&rd_cd, RDUNIT(bp->b_dev)); 598 599 DPRINTF(RDB_FOLLOW, 600 ("rdstrategy(%p): dev %" PRIx64 ", bn %" PRId64 ", bcount %d, %c\n", 601 bp, bp->b_dev, bp->b_blkno, bp->b_bcount, 602 (bp->b_flags & B_READ) ? 'R' : 'W')); 603 604 bn = bp->b_blkno; 605 sz = howmany(bp->b_bcount, DEV_BSIZE); 606 pinfo = &sc->sc_dk.dk_label->d_partitions[RDPART(bp->b_dev)]; 607 608 /* Don't perform partition translation on RAW_PART. */ 609 offset = (RDPART(bp->b_dev) == RAW_PART) ? 0 : pinfo->p_offset; 610 611 if (RDPART(bp->b_dev) != RAW_PART) { 612 /* 613 * XXX This block of code belongs in 614 * XXX bounds_check_with_label() 615 */ 616 617 if (bn < 0 || bn + sz > pinfo->p_size) { 618 sz = pinfo->p_size - bn; 619 if (sz == 0) { 620 bp->b_resid = bp->b_bcount; 621 goto done; 622 } 623 if (sz < 0) { 624 bp->b_error = EINVAL; 625 goto done; 626 } 627 bp->b_bcount = dbtob(sz); 628 } 629 /* 630 * Check for write to write protected label 631 */ 632 if (bn + offset <= LABELSECTOR && 633 #if LABELSECTOR != 0 634 bn + offset + sz > LABELSECTOR && 635 #endif 636 !(bp->b_flags & B_READ) && !(sc->sc_flags & RDF_WLABEL)) { 637 bp->b_error = EROFS; 638 goto done; 639 } 640 } 641 bp->b_rawblkno = bn + offset; 642 s = splbio(); 643 bufq_put(sc->sc_tab, bp); 644 if (sc->sc_active == 0) { 645 sc->sc_active = 1; 646 rdustart(sc); 647 } 648 splx(s); 649 return; 650 done: 651 biodone(bp); 652 } 653 654 /* 655 * Called from timeout() when handling maintenance releases 656 * callout from timeouts 657 */ 658 void 659 rdrestart(void *arg) 660 { 661 int s = splbio(); 662 rdustart((struct rd_softc *)arg); 663 splx(s); 664 } 665 666 667 /* called by rdstrategy() to start a block transfer */ 668 /* called by rdrestart() when handingly timeouts */ 669 /* called by rdintr() */ 670 void 671 rdustart(struct rd_softc *sc) 672 { 673 struct buf *bp; 674 675 bp = bufq_peek(sc->sc_tab); 676 sc->sc_addr = bp->b_data; 677 sc->sc_resid = bp->b_bcount; 678 if (gpibrequest(sc->sc_ic, sc->sc_hdl)) 679 rdstart(sc); 680 } 681 682 struct buf * 683 rdfinish(struct rd_softc *sc, struct buf *bp) 684 { 685 686 sc->sc_errcnt = 0; 687 (void)bufq_get(sc->sc_tab); 688 bp->b_resid = 0; 689 biodone(bp); 690 gpibrelease(sc->sc_ic, sc->sc_hdl); 691 if ((bp = bufq_peek(sc->sc_tab)) != NULL) 692 return (bp); 693 sc->sc_active = 0; 694 if (sc->sc_flags & RDF_WANTED) { 695 sc->sc_flags &= ~RDF_WANTED; 696 wakeup((void *)&sc->sc_tab); 697 } 698 return (NULL); 699 } 700 701 void 702 rdcallback(void *v, int action) 703 { 704 struct rd_softc *sc = v; 705 706 DPRINTF(RDB_FOLLOW, ("rdcallback: v=%p, action=%d\n", v, action)); 707 708 switch (action) { 709 case GPIBCBF_START: 710 rdstart(sc); 711 break; 712 case GPIBCBF_INTR: 713 rdintr(sc); 714 break; 715 #ifdef DEBUG 716 default: 717 DPRINTF(RDB_ERROR, ("rdcallback: unknown action %d\n", 718 action)); 719 break; 720 #endif 721 } 722 } 723 724 725 /* called from rdustart() to start a transfer */ 726 /* called from gpib interface as the initiator */ 727 void 728 rdstart(struct rd_softc *sc) 729 { 730 struct buf *bp = bufq_peek(sc->sc_tab); 731 int part, slave, punit; 732 733 slave = sc->sc_slave; 734 punit = sc->sc_punit; 735 736 DPRINTF(RDB_FOLLOW, ("rdstart(%s): bp %p, %c\n", 737 device_xname(&sc->sc_dev), bp, (bp->b_flags & B_READ) ? 'R' : 'W')); 738 739 again: 740 741 part = RDPART(bp->b_dev); 742 sc->sc_flags |= RDF_SEEK; 743 sc->sc_ioc.c_unit = CS80CMD_SUNIT(punit); 744 sc->sc_ioc.c_volume = CS80CMD_SVOL(0); 745 sc->sc_ioc.c_saddr = CS80CMD_SADDR; 746 sc->sc_ioc.c_hiaddr = htobe16(0); 747 sc->sc_ioc.c_addr = htobe32(RDBTOS(bp->b_rawblkno)); 748 sc->sc_ioc.c_nop2 = CS80CMD_NOP; 749 sc->sc_ioc.c_slen = CS80CMD_SLEN; 750 sc->sc_ioc.c_len = htobe32(sc->sc_resid); 751 sc->sc_ioc.c_cmd = bp->b_flags & B_READ ? CS80CMD_READ : CS80CMD_WRITE; 752 753 if (gpibsend(sc->sc_ic, slave, CS80CMD_SCMD, &sc->sc_ioc.c_unit, 754 sizeof(sc->sc_ioc)-1) == sizeof(sc->sc_ioc)-1) { 755 /* Instrumentation. */ 756 disk_busy(&sc->sc_dk); 757 iostat_seek(sc->sc_dk.dk_stats); 758 gpibawait(sc->sc_ic); 759 return; 760 } 761 /* 762 * Experience has shown that the gpibwait in this gpibsend will 763 * occasionally timeout. It appears to occur mostly on old 7914 764 * drives with full maintenance tracks. We should probably 765 * integrate this with the backoff code in rderror. 766 */ 767 768 DPRINTF(RDB_ERROR, 769 ("rdstart: cmd %x adr %ul blk %" PRId64 " len %d ecnt %d\n", 770 sc->sc_ioc.c_cmd, sc->sc_ioc.c_addr, bp->b_blkno, sc->sc_resid, 771 sc->sc_errcnt)); 772 773 sc->sc_flags &= ~RDF_SEEK; 774 cs80reset(device_parent(&sc->sc_dev), slave, punit); 775 if (sc->sc_errcnt++ < RDRETRY) 776 goto again; 777 printf("%s: rdstart err: cmd 0x%x sect %uld blk %" PRId64 " len %d\n", 778 device_xname(&sc->sc_dev), sc->sc_ioc.c_cmd, sc->sc_ioc.c_addr, 779 bp->b_blkno, sc->sc_resid); 780 bp->b_error = EIO; 781 bp = rdfinish(sc, bp); 782 if (bp) { 783 sc->sc_addr = bp->b_data; 784 sc->sc_resid = bp->b_bcount; 785 if (gpibrequest(sc->sc_ic, sc->sc_hdl)) 786 goto again; 787 } 788 } 789 790 void 791 rdintr(struct rd_softc *sc) 792 { 793 struct buf *bp; 794 u_int8_t stat = 13; /* in case gpibrecv fails */ 795 int rv, dir, restart, slave; 796 797 slave = sc->sc_slave; 798 bp = bufq_peek(sc->sc_tab); 799 800 DPRINTF(RDB_FOLLOW, ("rdintr(%s): bp %p, %c, flags %x\n", 801 device_xname(&sc->sc_dev), bp, (bp->b_flags & B_READ) ? 'R' : 'W', 802 sc->sc_flags)); 803 804 disk_unbusy(&sc->sc_dk, (bp->b_bcount - bp->b_resid), 805 (bp->b_flags & B_READ)); 806 807 if (sc->sc_flags & RDF_SEEK) { 808 sc->sc_flags &= ~RDF_SEEK; 809 dir = (bp->b_flags & B_READ ? GPIB_READ : GPIB_WRITE); 810 gpibxfer(sc->sc_ic, slave, CS80CMD_EXEC, sc->sc_addr, 811 sc->sc_resid, dir, dir == GPIB_READ); 812 disk_busy(&sc->sc_dk); 813 return; 814 } 815 if ((sc->sc_flags & RDF_SWAIT) == 0) { 816 if (gpibpptest(sc->sc_ic, slave) == 0) { 817 /* Instrumentation. */ 818 disk_busy(&sc->sc_dk); 819 sc->sc_flags |= RDF_SWAIT; 820 gpibawait(sc->sc_ic); 821 return; 822 } 823 } else 824 sc->sc_flags &= ~RDF_SWAIT; 825 rv = gpibrecv(sc->sc_ic, slave, CS80CMD_QSTAT, &stat, 1); 826 if (rv != 1 || stat) { 827 DPRINTF(RDB_ERROR, 828 ("rdintr: receive failed (rv=%d) or bad stat %d\n", rv, 829 stat)); 830 restart = rderror(sc); 831 if (sc->sc_errcnt++ < RDRETRY) { 832 if (restart) 833 rdstart(sc); 834 return; 835 } 836 bp->b_error = EIO; 837 } 838 if (rdfinish(sc, bp) != NULL) 839 rdustart(sc); 840 #if NRND > 0 841 rnd_add_uint32(&sc->rnd_source, bp->b_blkno); 842 #endif 843 } 844 845 /* 846 * Deal with errors. 847 * Returns 1 if request should be restarted, 848 * 0 if we should just quietly give up. 849 */ 850 int 851 rderror(struct rd_softc *sc) 852 { 853 struct cs80_stat css; 854 struct buf *bp; 855 daddr_t hwbn, pbn; 856 857 DPRINTF(RDB_FOLLOW, ("rderror: sc=%p\n", sc)); 858 859 if (cs80status(device_parent(&sc->sc_dev), sc->sc_slave, 860 sc->sc_punit, &css)) { 861 cs80reset(device_parent(&sc->sc_dev), sc->sc_slave, 862 sc->sc_punit); 863 return (1); 864 } 865 #ifdef DEBUG 866 if (rddebug & RDB_ERROR) { /* status info */ 867 printf("\n volume: %d, unit: %d\n", 868 (css.c_vu>>4)&0xF, css.c_vu&0xF); 869 printf(" reject 0x%x\n", css.c_ref); 870 printf(" fault 0x%x\n", css.c_fef); 871 printf(" access 0x%x\n", css.c_aef); 872 printf(" info 0x%x\n", css.c_ief); 873 printf(" block, P1-P10: "); 874 printf("0x%x", *(u_int32_t *)&css.c_raw[0]); 875 printf("0x%x", *(u_int32_t *)&css.c_raw[4]); 876 printf("0x%x\n", *(u_int16_t *)&css.c_raw[8]); 877 } 878 #endif 879 if (css.c_fef & FEF_REXMT) 880 return (1); 881 if (css.c_fef & FEF_PF) { 882 cs80reset(device_parent(&sc->sc_dev), sc->sc_slave, 883 sc->sc_punit); 884 return (1); 885 } 886 /* 887 * Unit requests release for internal maintenance. 888 * We just delay awhile and try again later. Use expontially 889 * increasing backoff ala ethernet drivers since we don't really 890 * know how long the maintenance will take. With RDWAITC and 891 * RDRETRY as defined, the range is 1 to 32 seconds. 892 */ 893 if (css.c_fef & FEF_IMR) { 894 extern int hz; 895 int rdtimo = RDWAITC << sc->sc_errcnt; 896 DPRINTF(RDB_STATUS, 897 ("%s: internal maintenance, %d-second timeout\n", 898 device_xname(&sc->sc_dev), rdtimo)); 899 gpibrelease(sc->sc_ic, sc->sc_hdl); 900 callout_reset(&sc->sc_restart_ch, rdtimo * hz, rdrestart, sc); 901 return (0); 902 } 903 /* 904 * Only report error if we have reached the error reporting 905 * threshhold. By default, this will only report after the 906 * retry limit has been exceeded. 907 */ 908 if (sc->sc_errcnt < rderrthresh) 909 return (1); 910 911 /* 912 * First conjure up the block number at which the error occurred. 913 */ 914 bp = bufq_peek(sc->sc_tab); 915 pbn = sc->sc_dk.dk_label->d_partitions[RDPART(bp->b_dev)].p_offset; 916 if ((css.c_fef & FEF_CU) || (css.c_fef & FEF_DR) || 917 (css.c_ief & IEF_RRMASK)) { 918 /* 919 * Not all errors report a block number, just use b_blkno. 920 */ 921 hwbn = RDBTOS(pbn + bp->b_blkno); 922 pbn = bp->b_blkno; 923 } else { 924 hwbn = css.c_blk; 925 pbn = RDSTOB(hwbn) - pbn; 926 } 927 #ifdef DEBUG 928 if (rddebug & RDB_ERROR) { /* status info */ 929 printf("\n volume: %d, unit: %d\n", 930 (css.c_vu>>4)&0xF, css.c_vu&0xF); 931 printf(" reject 0x%x\n", css.c_ref); 932 printf(" fault 0x%x\n", css.c_fef); 933 printf(" access 0x%x\n", css.c_aef); 934 printf(" info 0x%x\n", css.c_ief); 935 printf(" block, P1-P10: "); 936 printf(" block: %" PRId64 ", P1-P10: ", hwbn); 937 printf("0x%x", *(u_int32_t *)&css.c_raw[0]); 938 printf("0x%x", *(u_int32_t *)&css.c_raw[4]); 939 printf("0x%x\n", *(u_int16_t *)&css.c_raw[8]); 940 } 941 #endif 942 #ifdef DEBUG 943 if (rddebug & RDB_ERROR) { /* command */ 944 printf(" ioc: "); 945 printf("0x%x", *(u_int32_t *)&sc->sc_ioc.c_pad); 946 printf("0x%x", *(u_int16_t *)&sc->sc_ioc.c_hiaddr); 947 printf("0x%x", *(u_int32_t *)&sc->sc_ioc.c_addr); 948 printf("0x%x", *(u_int16_t *)&sc->sc_ioc.c_nop2); 949 printf("0x%x", *(u_int32_t *)&sc->sc_ioc.c_len); 950 printf("0x%x\n", *(u_int16_t *)&sc->sc_ioc.c_cmd); 951 return (1); 952 } 953 #endif 954 /* 955 * Now output a generic message suitable for badsect. 956 * Note that we don't use harderr because it just prints 957 * out b_blkno which is just the beginning block number 958 * of the transfer, not necessary where the error occurred. 959 */ 960 printf("%s%c: hard error, sector number %" PRId64 "\n", 961 device_xname(&sc->sc_dev), 'a'+RDPART(bp->b_dev), pbn); 962 /* 963 * Now report the status as returned by the hardware with 964 * attempt at interpretation. 965 */ 966 printf("%s %s error:", device_xname(&sc->sc_dev), 967 (bp->b_flags & B_READ) ? "read" : "write"); 968 printf(" unit %d, volume %d R0x%x F0x%x A0x%x I0x%x\n", 969 css.c_vu&0xF, (css.c_vu>>4)&0xF, 970 css.c_ref, css.c_fef, css.c_aef, css.c_ief); 971 printf("P1-P10: "); 972 printf("0x%x ", *(u_int32_t *)&css.c_raw[0]); 973 printf("0x%x ", *(u_int32_t *)&css.c_raw[4]); 974 printf("0x%x\n", *(u_int16_t *)&css.c_raw[8]); 975 976 return (1); 977 } 978 979 int 980 rdread(dev_t dev, struct uio *uio, int flags) 981 { 982 983 return (physio(rdstrategy, NULL, dev, B_READ, minphys, uio)); 984 } 985 986 int 987 rdwrite(dev_t dev, struct uio *uio, int flags) 988 { 989 990 return (physio(rdstrategy, NULL, dev, B_WRITE, minphys, uio)); 991 } 992 993 int 994 rdioctl(dev_t dev, u_long cmd, void *data, int flag, struct lwp *l) 995 { 996 struct rd_softc *sc; 997 struct disklabel *lp; 998 int error, flags; 999 1000 sc = device_lookup_private(&rd_cd, RDUNIT(dev)); 1001 if (sc == NULL) 1002 return (ENXIO); 1003 lp = sc->sc_dk.dk_label; 1004 1005 DPRINTF(RDB_FOLLOW, ("rdioctl: sc=%p\n", sc)); 1006 1007 switch (cmd) { 1008 case DIOCGDINFO: 1009 *(struct disklabel *)data = *lp; 1010 return (0); 1011 1012 case DIOCGPART: 1013 ((struct partinfo *)data)->disklab = lp; 1014 ((struct partinfo *)data)->part = 1015 &lp->d_partitions[RDPART(dev)]; 1016 return (0); 1017 1018 case DIOCWLABEL: 1019 if ((flag & FWRITE) == 0) 1020 return (EBADF); 1021 if (*(int *)data) 1022 sc->sc_flags |= RDF_WLABEL; 1023 else 1024 sc->sc_flags &= ~RDF_WLABEL; 1025 return (0); 1026 1027 case DIOCSDINFO: 1028 if ((flag & FWRITE) == 0) 1029 return (EBADF); 1030 return (setdisklabel(lp, (struct disklabel *)data, 1031 (sc->sc_flags & RDF_WLABEL) ? 0 : sc->sc_dk.dk_openmask, 1032 (struct cpu_disklabel *)0)); 1033 1034 case DIOCWDINFO: 1035 if ((flag & FWRITE) == 0) 1036 return (EBADF); 1037 error = setdisklabel(lp, (struct disklabel *)data, 1038 (sc->sc_flags & RDF_WLABEL) ? 0 : sc->sc_dk.dk_openmask, 1039 (struct cpu_disklabel *)0); 1040 if (error) 1041 return (error); 1042 flags = sc->sc_flags; 1043 sc->sc_flags = RDF_ALIVE | RDF_WLABEL; 1044 error = writedisklabel(RDLABELDEV(dev), rdstrategy, lp, 1045 (struct cpu_disklabel *)0); 1046 sc->sc_flags = flags; 1047 return (error); 1048 1049 case DIOCGDEFLABEL: 1050 rdgetdefaultlabel(sc, (struct disklabel *)data); 1051 return (0); 1052 } 1053 return (EINVAL); 1054 } 1055 1056 void 1057 rdgetdefaultlabel(struct rd_softc *sc, struct disklabel *lp) 1058 { 1059 int type = sc->sc_type; 1060 1061 memset((void *)lp, 0, sizeof(struct disklabel)); 1062 1063 lp->d_type = DTYPE_HPIB /* DTYPE_GPIB */; 1064 lp->d_secsize = DEV_BSIZE; 1065 lp->d_nsectors = rdidentinfo[type].ri_nbpt; 1066 lp->d_ntracks = rdidentinfo[type].ri_ntpc; 1067 lp->d_ncylinders = rdidentinfo[type].ri_ncyl; 1068 lp->d_secpercyl = lp->d_ntracks * lp->d_nsectors; 1069 lp->d_secperunit = lp->d_ncylinders * lp->d_secpercyl; 1070 1071 strncpy(lp->d_typename, rdidentinfo[type].ri_desc, 16); 1072 strncpy(lp->d_packname, "fictitious", 16); 1073 lp->d_rpm = 3000; 1074 lp->d_interleave = 1; 1075 lp->d_flags = 0; 1076 1077 lp->d_partitions[RAW_PART].p_offset = 0; 1078 lp->d_partitions[RAW_PART].p_size = 1079 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 1080 lp->d_partitions[RAW_PART].p_fstype = FS_UNUSED; 1081 lp->d_npartitions = RAW_PART + 1; 1082 1083 lp->d_magic = DISKMAGIC; 1084 lp->d_magic2 = DISKMAGIC; 1085 lp->d_checksum = dkcksum(lp); 1086 } 1087 1088 int 1089 rdsize(dev_t dev) 1090 { 1091 struct rd_softc *sc; 1092 int psize, didopen = 0; 1093 1094 sc = device_lookup_private(&rd_cd, RDUNIT(dev)); 1095 if (sc == NULL || (sc->sc_flags & RDF_ALIVE) == 0) 1096 return (-1); 1097 1098 /* 1099 * We get called very early on (via swapconf) 1100 * without the device being open so we may need 1101 * to handle it here. 1102 */ 1103 if (sc->sc_dk.dk_openmask == 0) { 1104 if (rdopen(dev, FREAD | FWRITE, S_IFBLK, NULL)) 1105 return (-1); 1106 didopen = 1; 1107 } 1108 psize = sc->sc_dk.dk_label->d_partitions[RDPART(dev)].p_size * 1109 (sc->sc_dk.dk_label->d_secsize / DEV_BSIZE); 1110 if (didopen) 1111 (void) rdclose(dev, FREAD | FWRITE, S_IFBLK, NULL); 1112 return (psize); 1113 } 1114 1115 1116 static int rddoingadump; /* simple mutex */ 1117 1118 /* 1119 * Non-interrupt driven, non-dma dump routine. 1120 */ 1121 int 1122 rddump(dev_t dev, daddr_t blkno, void *va, size_t size) 1123 { 1124 struct rd_softc *sc; 1125 int sectorsize; /* size of a disk sector */ 1126 int nsects; /* number of sectors in partition */ 1127 int sectoff; /* sector offset of partition */ 1128 int totwrt; /* total number of sectors left to write */ 1129 int nwrt; /* current number of sectors to write */ 1130 int slave; 1131 struct disklabel *lp; 1132 u_int8_t stat; 1133 1134 /* Check for recursive dump; if so, punt. */ 1135 if (rddoingadump) 1136 return (EFAULT); 1137 rddoingadump = 1; 1138 1139 sc = device_lookup_private(&rd_cd, RDUNIT(dev)); 1140 if (sc == NULL || (sc->sc_flags & RDF_ALIVE) == 0) 1141 return (ENXIO); 1142 1143 DPRINTF(RDB_FOLLOW, ("rddump: sc=%p\n", sc)); 1144 1145 slave = sc->sc_slave; 1146 1147 /* 1148 * Convert to disk sectors. Request must be a multiple of size. 1149 */ 1150 lp = sc->sc_dk.dk_label; 1151 sectorsize = lp->d_secsize; 1152 if ((size % sectorsize) != 0) 1153 return (EFAULT); 1154 totwrt = size / sectorsize; 1155 blkno = dbtob(blkno) / sectorsize; /* blkno in DEV_BSIZE units */ 1156 1157 nsects = lp->d_partitions[RDPART(dev)].p_size; 1158 sectoff = lp->d_partitions[RDPART(dev)].p_offset; 1159 1160 /* Check transfer bounds against partition size. */ 1161 if ((blkno < 0) || (blkno + totwrt) > nsects) 1162 return (EINVAL); 1163 1164 /* Offset block number to start of partition. */ 1165 blkno += sectoff; 1166 1167 while (totwrt > 0) { 1168 nwrt = totwrt; /* XXX */ 1169 #ifndef RD_DUMP_NOT_TRUSTED 1170 /* 1171 * Fill out and send GPIB command. 1172 */ 1173 sc->sc_ioc.c_unit = CS80CMD_SUNIT(sc->sc_punit); 1174 sc->sc_ioc.c_volume = CS80CMD_SVOL(0); 1175 sc->sc_ioc.c_saddr = CS80CMD_SADDR; 1176 sc->sc_ioc.c_hiaddr = 0; 1177 sc->sc_ioc.c_addr = RDBTOS(blkno); 1178 sc->sc_ioc.c_nop2 = CS80CMD_NOP; 1179 sc->sc_ioc.c_slen = CS80CMD_SLEN; 1180 sc->sc_ioc.c_len = nwrt * sectorsize; 1181 sc->sc_ioc.c_cmd = CS80CMD_WRITE; 1182 (void) gpibsend(sc->sc_ic, slave, CS80CMD_SCMD, 1183 &sc->sc_ioc.c_unit, sizeof(sc->sc_ioc)-3); 1184 if (gpibswait(sc->sc_ic, slave)) 1185 return (EIO); 1186 /* 1187 * Send the data. 1188 */ 1189 (void) gpibsend(sc->sc_ic, slave, CS80CMD_EXEC, va, 1190 nwrt * sectorsize); 1191 (void) gpibswait(sc->sc_ic, slave); 1192 (void) gpibrecv(sc->sc_ic, slave, CS80CMD_QSTAT, &stat, 1); 1193 if (stat) 1194 return (EIO); 1195 #else /* RD_DUMP_NOT_TRUSTED */ 1196 /* Let's just talk about this first... */ 1197 printf("%s: dump addr %p, blk %d\n", device_xname(&sc->sc_dev), 1198 va, blkno); 1199 delay(500 * 1000); /* half a second */ 1200 #endif /* RD_DUMP_NOT_TRUSTED */ 1201 1202 /* update block count */ 1203 totwrt -= nwrt; 1204 blkno += nwrt; 1205 va = (char *)va + sectorsize * nwrt; 1206 } 1207 rddoingadump = 0; 1208 return (0); 1209 } 1210