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sys/dev/gpib/rd.c
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1 /* $NetBSD: rd.c,v 1.2 2003/08/07 16:30:56 agc 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 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /* 40 * Copyright (c) 1982, 1990, 1993 41 * The Regents of the University of California. All rights reserved. 42 * 43 * This code is derived from software contributed to Berkeley by 44 * the Systems Programming Group of the University of Utah Computer 45 * Science Department. 46 * 47 * Redistribution and use in source and binary forms, with or without 48 * modification, are permitted provided that the following conditions 49 * are met: 50 * 1. Redistributions of source code must retain the above copyright 51 * notice, this list of conditions and the following disclaimer. 52 * 2. Redistributions in binary form must reproduce the above copyright 53 * notice, this list of conditions and the following disclaimer in the 54 * documentation and/or other materials provided with the distribution. 55 * 3. Neither the name of the University nor the names of its contributors 56 * may be used to endorse or promote products derived from this software 57 * without specific prior written permission. 58 * 59 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 60 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 61 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 62 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 63 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 64 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 65 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 66 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 67 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 68 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 69 * SUCH DAMAGE. 70 * 71 * from: Utah $Hdr: rd.c 1.44 92/12/26$ 72 * 73 * @(#)rd.c 8.2 (Berkeley) 5/19/94 74 */ 75 76 /* 77 * Copyright (c) 1988 University of Utah. 78 * 79 * This code is derived from software contributed to Berkeley by 80 * the Systems Programming Group of the University of Utah Computer 81 * Science Department. 82 * 83 * Redistribution and use in source and binary forms, with or without 84 * modification, are permitted provided that the following conditions 85 * are met: 86 * 1. Redistributions of source code must retain the above copyright 87 * notice, this list of conditions and the following disclaimer. 88 * 2. Redistributions in binary form must reproduce the above copyright 89 * notice, this list of conditions and the following disclaimer in the 90 * documentation and/or other materials provided with the distribution. 91 * 3. All advertising materials mentioning features or use of this software 92 * must display the following acknowledgement: 93 * This product includes software developed by the University of 94 * California, Berkeley and its contributors. 95 * 4. Neither the name of the University nor the names of its contributors 96 * may be used to endorse or promote products derived from this software 97 * without specific prior written permission. 98 * 99 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 100 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 101 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 102 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 103 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 104 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 105 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 106 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 107 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 108 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 109 * SUCH DAMAGE. 110 * 111 * from: Utah $Hdr: rd.c 1.44 92/12/26$ 112 * 113 * @(#)rd.c 8.2 (Berkeley) 5/19/94 114 */ 115 116 /* 117 * CS80/SS80 disk driver 118 */ 119 120 #include <sys/cdefs.h> 121 __KERNEL_RCSID(0, "$NetBSD: rd.c,v 1.2 2003/08/07 16:30:56 agc Exp $"); 122 123 #include "rnd.h" 124 125 #include <sys/param.h> 126 #include <sys/systm.h> 127 #include <sys/buf.h> 128 #include <sys/callout.h> 129 #include <sys/conf.h> 130 #include <sys/device.h> 131 #include <sys/disk.h> 132 #include <sys/disklabel.h> 133 #include <sys/endian.h> 134 #include <sys/fcntl.h> 135 #include <sys/ioctl.h> 136 #include <sys/proc.h> 137 #include <sys/stat.h> 138 139 #if NRND > 0 140 #include <sys/rnd.h> 141 #endif 142 143 #include <dev/gpib/gpibvar.h> 144 #include <dev/gpib/cs80busvar.h> 145 146 #include <dev/gpib/rdreg.h> 147 148 #ifdef DEBUG 149 int rddebug = 0xff; 150 #define RDB_FOLLOW 0x01 151 #define RDB_STATUS 0x02 152 #define RDB_IDENT 0x04 153 #define RDB_IO 0x08 154 #define RDB_ASYNC 0x10 155 #define RDB_ERROR 0x80 156 #define DPRINTF(mask, str) if (rddebug & (mask)) printf str 157 #else 158 #define DPRINTF(mask, str) /* nothing */ 159 #endif 160 161 struct rd_softc { 162 struct device sc_dev; 163 gpib_chipset_tag_t sc_ic; 164 gpib_handle_t sc_hdl; 165 166 struct disk sc_dk; 167 168 int sc_slave; /* GPIB slave */ 169 int sc_punit; /* physical unit on slave */ 170 171 int sc_flags; 172 #define RDF_ALIVE 0x01 173 #define RDF_SEEK 0x02 174 #define RDF_SWAIT 0x04 175 #define RDF_OPENING 0x08 176 #define RDF_CLOSING 0x10 177 #define RDF_WANTED 0x20 178 #define RDF_WLABEL 0x40 179 180 u_int16_t sc_type; 181 u_int8_t *sc_addr; 182 int sc_resid; 183 struct rd_iocmd sc_ioc; 184 struct bufq_state sc_tab; 185 int sc_active; 186 int sc_errcnt; 187 188 struct callout sc_restart_ch; 189 190 #if NRND > 0 191 rndsource_element_t rnd_source; 192 #endif 193 }; 194 195 #define RDUNIT(dev) DISKUNIT(dev) 196 #define RDPART(dev) DISKPART(dev) 197 #define RDMAKEDEV(maj, unit, part) MAKEDISKDEV(maj, unit, part) 198 #define RDLABELDEV(dev) (RDMAKEDEV(major(dev), RDUNIT(dev), RAW_PART)) 199 200 #define RDRETRY 5 201 #define RDWAITC 1 /* min time for timeout in seconds */ 202 203 int rderrthresh = RDRETRY-1; /* when to start reporting errors */ 204 205 /* 206 * Misc. HW description, indexed by sc_type. 207 * Used for mapping 256-byte sectors for 512-byte sectors 208 */ 209 const struct rdidentinfo { 210 u_int16_t ri_hwid; /* 2 byte HW id */ 211 u_int16_t ri_maxunum; /* maximum allowed unit number */ 212 char *ri_desc; /* drive type description */ 213 int ri_nbpt; /* DEV_BSIZE blocks per track */ 214 int ri_ntpc; /* tracks per cylinder */ 215 int ri_ncyl; /* cylinders per unit */ 216 int ri_nblocks; /* DEV_BSIZE blocks on disk */ 217 } rdidentinfo[] = { 218 { RD7946AID, 0, "7945A", NRD7945ABPT, 219 NRD7945ATRK, 968, 108416 }, 220 221 { RD9134DID, 1, "9134D", NRD9134DBPT, 222 NRD9134DTRK, 303, 29088 }, 223 224 { RD9134LID, 1, "9122S", NRD9122SBPT, 225 NRD9122STRK, 77, 1232 }, 226 227 { RD7912PID, 0, "7912P", NRD7912PBPT, 228 NRD7912PTRK, 572, 128128 }, 229 230 { RD7914PID, 0, "7914P", NRD7914PBPT, 231 NRD7914PTRK, 1152, 258048 }, 232 233 { RD7958AID, 0, "7958A", NRD7958ABPT, 234 NRD7958ATRK, 1013, 255276 }, 235 236 { RD7957AID, 0, "7957A", NRD7957ABPT, 237 NRD7957ATRK, 1036, 159544 }, 238 239 { RD7933HID, 0, "7933H", NRD7933HBPT, 240 NRD7933HTRK, 1321, 789958 }, 241 242 { RD9134LID, 1, "9134L", NRD9134LBPT, 243 NRD9134LTRK, 973, 77840 }, 244 245 { RD7936HID, 0, "7936H", NRD7936HBPT, 246 NRD7936HTRK, 698, 600978 }, 247 248 { RD7937HID, 0, "7937H", NRD7937HBPT, 249 NRD7937HTRK, 698, 1116102 }, 250 251 { RD7914CTID, 0, "7914CT", NRD7914PBPT, 252 NRD7914PTRK, 1152, 258048 }, 253 254 { RD7946AID, 0, "7946A", NRD7945ABPT, 255 NRD7945ATRK, 968, 108416 }, 256 257 { RD9134LID, 1, "9122D", NRD9122SBPT, 258 NRD9122STRK, 77, 1232 }, 259 260 { RD7957BID, 0, "7957B", NRD7957BBPT, 261 NRD7957BTRK, 1269, 159894 }, 262 263 { RD7958BID, 0, "7958B", NRD7958BBPT, 264 NRD7958BTRK, 786, 297108 }, 265 266 { RD7959BID, 0, "7959B", NRD7959BBPT, 267 NRD7959BTRK, 1572, 594216 }, 268 269 { RD2200AID, 0, "2200A", NRD2200ABPT, 270 NRD2200ATRK, 1449, 654948 }, 271 272 { RD2203AID, 0, "2203A", NRD2203ABPT, 273 NRD2203ATRK, 1449, 1309896 } 274 }; 275 int numrdidentinfo = sizeof(rdidentinfo) / sizeof(rdidentinfo[0]); 276 277 int rdlookup(int, int, int); 278 int rdgetinfo(struct rd_softc *); 279 void rdrestart(void *); 280 struct buf *rdfinish(struct rd_softc *, struct buf *); 281 282 void rdgetcompatlabel(struct rd_softc *, struct disklabel *); 283 void rdgetdefaultlabel(struct rd_softc *, struct disklabel *); 284 void rdrestart(void *); 285 void rdustart(struct rd_softc *); 286 struct buf *rdfinish(struct rd_softc *, struct buf *); 287 void rdcallback(void *, int); 288 void rdstart(struct rd_softc *); 289 void rdintr(struct rd_softc *); 290 int rderror(struct rd_softc *); 291 292 int rdmatch(struct device *, struct cfdata *, void *); 293 void rdattach(struct device *, struct device *, void *); 294 295 CFATTACH_DECL(rd, sizeof(struct rd_softc), 296 rdmatch, rdattach, NULL, NULL); 297 298 299 dev_type_open(rdopen); 300 dev_type_close(rdclose); 301 dev_type_read(rdread); 302 dev_type_write(rdwrite); 303 dev_type_ioctl(rdioctl); 304 dev_type_strategy(rdstrategy); 305 dev_type_dump(rddump); 306 dev_type_size(rdsize); 307 308 const struct bdevsw rd_bdevsw = { 309 rdopen, rdclose, rdstrategy, rdioctl, rddump, rdsize, D_DISK 310 }; 311 312 const struct cdevsw rd_cdevsw = { 313 rdopen, rdclose, rdread, rdwrite, rdioctl, 314 nostop, notty, nopoll, nommap, nokqfilter, D_DISK 315 }; 316 317 extern struct cfdriver rd_cd; 318 319 int 320 rdlookup(id, slave, punit) 321 int id; 322 int slave; 323 int punit; 324 { 325 int i; 326 327 for (i = 0; i < numrdidentinfo; i++) { 328 if (rdidentinfo[i].ri_hwid == id) 329 break; 330 } 331 if (i == numrdidentinfo || punit > rdidentinfo[i].ri_maxunum) 332 return (-1); 333 return (i); 334 } 335 336 int 337 rdmatch(parent, match, aux) 338 struct device *parent; 339 struct cfdata *match; 340 void *aux; 341 { 342 struct cs80bus_attach_args *ca = aux; 343 344 if (rdlookup(ca->ca_id, ca->ca_slave, ca->ca_punit) < 0) 345 return (0); 346 return (1); 347 } 348 349 void 350 rdattach(parent, self, aux) 351 struct device *parent, *self; 352 void *aux; 353 { 354 struct rd_softc *sc = (struct rd_softc *)self; 355 struct cs80bus_attach_args *ca = aux; 356 struct cs80_description csd; 357 char name[7]; 358 int type, i, n; 359 360 sc->sc_ic = ca->ca_ic; 361 sc->sc_slave = ca->ca_slave; 362 sc->sc_punit = ca->ca_punit; 363 364 if ((type = rdlookup(ca->ca_id, ca->ca_slave, ca->ca_punit)) < 0) 365 return; 366 367 if (cs80reset(parent, sc->sc_slave, sc->sc_punit)) { 368 printf("\n%s: can't reset device\n", sc->sc_dev.dv_xname); 369 return; 370 } 371 372 if (cs80describe(parent, sc->sc_slave, sc->sc_punit, &csd)) { 373 printf("\n%s: didn't respond to describe command\n", 374 sc->sc_dev.dv_xname); 375 return; 376 } 377 memset(name, 0, sizeof(name)); 378 for (i=0, n=0; i<3; i++) { 379 name[n++] = (csd.d_name[i] >> 4) + ''; 380 name[n++] = (csd.d_name[i] & 0x0f) + ''; 381 } 382 383 #ifdef DEBUG 384 if (rddebug & RDB_IDENT) { 385 printf("\n%s: name: ('%s')\n", 386 sc->sc_dev.dv_xname, name); 387 printf(" iuw %x, maxxfr %d, ctype %d\n", 388 csd.d_iuw, csd.d_cmaxxfr, csd.d_ctype); 389 printf(" utype %d, bps %d, blkbuf %d, burst %d, blktime %d\n", 390 csd.d_utype, csd.d_sectsize, 391 csd.d_blkbuf, csd.d_burstsize, csd.d_blocktime); 392 printf(" avxfr %d, ort %d, atp %d, maxint %d, fv %x, rv %x\n", 393 csd.d_uavexfr, csd.d_retry, csd.d_access, 394 csd.d_maxint, csd.d_fvbyte, csd.d_rvbyte); 395 printf(" maxcyl/head/sect %d/%d/%d, maxvsect %d, inter %d\n", 396 csd.d_maxcylhead >> 8, csd.d_maxcylhead & 0xff, 397 csd.d_maxsect, csd.d_maxvsectl, csd.d_interleave); 398 printf("%s", sc->sc_dev.dv_xname); 399 } 400 #endif 401 402 /* 403 * Take care of a couple of anomolies: 404 * 1. 7945A and 7946A both return same HW id 405 * 2. 9122S and 9134D both return same HW id 406 * 3. 9122D and 9134L both return same HW id 407 */ 408 switch (ca->ca_id) { 409 case RD7946AID: 410 if (memcmp(name, "079450", 6) == 0) 411 type = RD7945A; 412 else 413 type = RD7946A; 414 break; 415 416 case RD9134LID: 417 if (memcmp(name, "091340", 6) == 0) 418 type = RD9134L; 419 else 420 type = RD9122D; 421 break; 422 423 case RD9134DID: 424 if (memcmp(name, "091220", 6) == 0) 425 type = RD9122S; 426 else 427 type = RD9134D; 428 break; 429 } 430 431 sc->sc_type = type; 432 433 /* 434 * XXX We use DEV_BSIZE instead of the sector size value pulled 435 * XXX off the driver because all of this code assumes 512 byte 436 * XXX blocks. ICK! 437 */ 438 printf(": %s\n", rdidentinfo[type].ri_desc); 439 printf("%s: %d cylinders, %d heads, %d blocks, %d bytes/block\n", 440 sc->sc_dev.dv_xname, rdidentinfo[type].ri_ncyl, 441 rdidentinfo[type].ri_ntpc, rdidentinfo[type].ri_nblocks, 442 DEV_BSIZE); 443 444 bufq_alloc(&sc->sc_tab, BUFQ_FCFS); 445 446 /* 447 * Initialize and attach the disk structure. 448 */ 449 memset(&sc->sc_dk, 0, sizeof(sc->sc_dk)); 450 sc->sc_dk.dk_name = sc->sc_dev.dv_xname; 451 disk_attach(&sc->sc_dk); 452 453 callout_init(&sc->sc_restart_ch); 454 455 if (gpibregister(sc->sc_ic, sc->sc_slave, rdcallback, sc, 456 &sc->sc_hdl)) { 457 printf("%s: can't register callback\n", sc->sc_dev.dv_xname); 458 return; 459 } 460 461 sc->sc_flags = RDF_ALIVE; 462 #ifdef DEBUG 463 /* always report errors */ 464 if (rddebug & RDB_ERROR) 465 rderrthresh = 0; 466 #endif 467 #if NRND > 0 468 /* 469 * attach the device into the random source list 470 */ 471 rnd_attach_source(&sc->rnd_source, sc->sc_dev.dv_xname, 472 RND_TYPE_DISK, 0); 473 #endif 474 } 475 476 /* 477 * Read or constuct a disklabel 478 */ 479 int 480 rdgetinfo(sc) 481 struct rd_softc *sc; 482 { 483 struct disklabel *lp = sc->sc_dk.dk_label; 484 struct partition *pi; 485 const char *msg; 486 487 memset(sc->sc_dk.dk_cpulabel, 0, sizeof(struct cpu_disklabel)); 488 489 rdgetdefaultlabel(sc, lp); 490 491 /* 492 * Call the generic disklabel extraction routine 493 */ 494 msg = readdisklabel(RDMAKEDEV(0, sc->sc_dev.dv_unit, RAW_PART), 495 rdstrategy, lp, NULL); 496 if (msg == NULL) 497 return (0); 498 499 pi = lp->d_partitions; 500 printf("%s: WARNING: %s, ", sc->sc_dev.dv_xname, msg); 501 #ifdef COMPAT_NOLABEL 502 printf("using old default partitioning\n"); 503 rdgetcompatlabel(sc, lp); 504 #else 505 printf("defining '%c' partition as entire disk\n", 'a' + RAW_PART); 506 pi[RAW_PART].p_size = rdidentinfo[sc->sc_type].ri_nblocks; 507 lp->d_npartitions = RAW_PART+1; 508 pi[0].p_size = 0; 509 #endif 510 return (0); 511 } 512 513 int 514 rdopen(dev, flags, mode, p) 515 dev_t dev; 516 int flags, mode; 517 struct proc *p; 518 { 519 struct rd_softc *sc; 520 int error, mask, part; 521 522 sc = device_lookup(&rd_cd, RDUNIT(dev)); 523 if (sc == NULL || (sc->sc_flags & RDF_ALIVE) ==0) 524 return (ENXIO); 525 526 /* 527 * Wait for any pending opens/closes to complete 528 */ 529 while (sc->sc_flags & (RDF_OPENING | RDF_CLOSING)) 530 (void) tsleep(sc, PRIBIO, "rdopen", 0); 531 532 /* 533 * On first open, get label and partition info. 534 * We may block reading the label, so be careful 535 * to stop any other opens. 536 */ 537 if (sc->sc_dk.dk_openmask == 0) { 538 sc->sc_flags |= RDF_OPENING; 539 error = rdgetinfo(sc); 540 sc->sc_flags &= ~RDF_OPENING; 541 wakeup((caddr_t)sc); 542 if (error) 543 return (error); 544 } 545 546 part = RDPART(dev); 547 mask = 1 << part; 548 549 /* Check that the partition exists. */ 550 if (part != RAW_PART && (part > sc->sc_dk.dk_label->d_npartitions || 551 sc->sc_dk.dk_label->d_partitions[part].p_fstype == FS_UNUSED)) 552 return (ENXIO); 553 554 /* Ensure only one open at a time. */ 555 switch (mode) { 556 case S_IFCHR: 557 sc->sc_dk.dk_copenmask |= mask; 558 break; 559 case S_IFBLK: 560 sc->sc_dk.dk_bopenmask |= mask; 561 break; 562 } 563 sc->sc_dk.dk_openmask = 564 sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 565 566 return (0); 567 } 568 569 int 570 rdclose(dev, flag, mode, p) 571 dev_t dev; 572 int flag, mode; 573 struct proc *p; 574 { 575 struct rd_softc *sc; 576 struct disk *dk; 577 int mask, s; 578 579 sc = device_lookup(&rd_cd, RDUNIT(dev)); 580 if (sc == NULL) 581 return (ENXIO); 582 583 dk = &sc->sc_dk; 584 585 mask = 1 << RDPART(dev); 586 if (mode == S_IFCHR) 587 dk->dk_copenmask &= ~mask; 588 else 589 dk->dk_bopenmask &= ~mask; 590 dk->dk_openmask = dk->dk_copenmask | dk->dk_bopenmask; 591 /* 592 * On last close, we wait for all activity to cease since 593 * the label/parition info will become invalid. Since we 594 * might sleep, we must block any opens while we are here. 595 * Note we don't have to about other closes since we know 596 * we are the last one. 597 */ 598 if (dk->dk_openmask == 0) { 599 sc->sc_flags |= RDF_CLOSING; 600 s = splbio(); 601 while (sc->sc_active) { 602 sc->sc_flags |= RDF_WANTED; 603 (void) tsleep(&sc->sc_tab, PRIBIO, "rdclose", 0); 604 } 605 splx(s); 606 sc->sc_flags &= ~(RDF_CLOSING | RDF_WLABEL); 607 wakeup((caddr_t)sc); 608 } 609 return (0); 610 } 611 612 void 613 rdstrategy(bp) 614 struct buf *bp; 615 { 616 struct rd_softc *sc; 617 struct partition *pinfo; 618 daddr_t bn; 619 int sz, s; 620 int offset; 621 622 sc = device_lookup(&rd_cd, RDUNIT(bp->b_dev)); 623 624 DPRINTF(RDB_FOLLOW, 625 ("rdstrategy(%p): dev %x, bn %" PRId64 ", bcount %ld, %c\n", 626 bp, bp->b_dev, bp->b_blkno, bp->b_bcount, 627 (bp->b_flags & B_READ) ? 'R' : 'W')); 628 629 bn = bp->b_blkno; 630 sz = howmany(bp->b_bcount, DEV_BSIZE); 631 pinfo = &sc->sc_dk.dk_label->d_partitions[RDPART(bp->b_dev)]; 632 633 /* Don't perform partition translation on RAW_PART. */ 634 offset = (RDPART(bp->b_dev) == RAW_PART) ? 0 : pinfo->p_offset; 635 636 if (RDPART(bp->b_dev) != RAW_PART) { 637 /* 638 * XXX This block of code belongs in 639 * XXX bounds_check_with_label() 640 */ 641 642 if (bn < 0 || bn + sz > pinfo->p_size) { 643 sz = pinfo->p_size - bn; 644 if (sz == 0) { 645 bp->b_resid = bp->b_bcount; 646 goto done; 647 } 648 if (sz < 0) { 649 bp->b_error = EINVAL; 650 goto bad; 651 } 652 bp->b_bcount = dbtob(sz); 653 } 654 /* 655 * Check for write to write protected label 656 */ 657 if (bn + offset <= LABELSECTOR && 658 #if LABELSECTOR != 0 659 bn + offset + sz > LABELSECTOR && 660 #endif 661 !(bp->b_flags & B_READ) && !(sc->sc_flags & RDF_WLABEL)) { 662 bp->b_error = EROFS; 663 goto bad; 664 } 665 } 666 bp->b_rawblkno = bn + offset; 667 s = splbio(); 668 BUFQ_PUT(&sc->sc_tab, bp); 669 if (sc->sc_active == 0) { 670 sc->sc_active = 1; 671 rdustart(sc); 672 } 673 splx(s); 674 return; 675 bad: 676 bp->b_flags |= B_ERROR; 677 done: 678 biodone(bp); 679 } 680 681 /* 682 * Called from timeout() when handling maintenance releases 683 * callout from timeouts 684 */ 685 void 686 rdrestart(arg) 687 void *arg; 688 { 689 int s = splbio(); 690 rdustart((struct rd_softc *)arg); 691 splx(s); 692 } 693 694 695 /* called by rdstrategy() to start a block transfer */ 696 /* called by rdrestart() when handingly timeouts */ 697 /* called by rdintr() */ 698 void 699 rdustart(sc) 700 struct rd_softc *sc; 701 { 702 struct buf *bp; 703 704 bp = BUFQ_PEEK(&sc->sc_tab); 705 sc->sc_addr = bp->b_data; 706 sc->sc_resid = bp->b_bcount; 707 if (gpibrequest(sc->sc_ic, sc->sc_hdl)) 708 rdstart(sc); 709 } 710 711 struct buf * 712 rdfinish(sc, bp) 713 struct rd_softc *sc; 714 struct buf *bp; 715 { 716 717 sc->sc_errcnt = 0; 718 (void)BUFQ_GET(&sc->sc_tab); 719 bp->b_resid = 0; 720 biodone(bp); 721 gpibrelease(sc->sc_ic, sc->sc_hdl); 722 if ((bp = BUFQ_PEEK(&sc->sc_tab)) != NULL) 723 return (bp); 724 sc->sc_active = 0; 725 if (sc->sc_flags & RDF_WANTED) { 726 sc->sc_flags &= ~RDF_WANTED; 727 wakeup((caddr_t)&sc->sc_tab); 728 } 729 return (NULL); 730 } 731 732 void 733 rdcallback(v, action) 734 void *v; 735 int action; 736 { 737 struct rd_softc *sc = v; 738 739 DPRINTF(RDB_FOLLOW, ("rdcallback: v=%p, action=%d\n", v, action)); 740 741 switch (action) { 742 case GPIBCBF_START: 743 rdstart(sc); 744 break; 745 case GPIBCBF_INTR: 746 rdintr(sc); 747 break; 748 #ifdef DEBUG 749 default: 750 DPRINTF(RDB_ERROR, ("rdcallback: unknown action %d\n", 751 action)); 752 break; 753 #endif 754 } 755 } 756 757 758 /* called from rdustart() to start a transfer */ 759 /* called from gpib interface as the initiator */ 760 void 761 rdstart(sc) 762 struct rd_softc *sc; 763 { 764 struct buf *bp = BUFQ_PEEK(&sc->sc_tab); 765 int part, slave, punit; 766 767 slave = sc->sc_slave; 768 punit = sc->sc_punit; 769 770 DPRINTF(RDB_FOLLOW, ("rdstart(%s): bp %p, %c\n", 771 sc->sc_dev.dv_xname, bp, (bp->b_flags & B_READ) ? 'R' : 'W')); 772 773 again: 774 775 part = RDPART(bp->b_dev); 776 sc->sc_flags |= RDF_SEEK; 777 sc->sc_ioc.c_unit = CS80CMD_SUNIT(punit); 778 sc->sc_ioc.c_volume = CS80CMD_SVOL(0); 779 sc->sc_ioc.c_saddr = CS80CMD_SADDR; 780 sc->sc_ioc.c_hiaddr = htobe16(0); 781 sc->sc_ioc.c_addr = htobe32(RDBTOS(bp->b_rawblkno)); 782 sc->sc_ioc.c_nop2 = CS80CMD_NOP; 783 sc->sc_ioc.c_slen = CS80CMD_SLEN; 784 sc->sc_ioc.c_len = htobe32(sc->sc_resid); 785 sc->sc_ioc.c_cmd = bp->b_flags & B_READ ? CS80CMD_READ : CS80CMD_WRITE; 786 787 if (gpibsend(sc->sc_ic, slave, CS80CMD_SCMD, &sc->sc_ioc.c_unit, 788 sizeof(sc->sc_ioc)-1) == sizeof(sc->sc_ioc)-1) { 789 /* Instrumentation. */ 790 disk_busy(&sc->sc_dk); 791 sc->sc_dk.dk_seek++; 792 gpibawait(sc->sc_ic); 793 return; 794 } 795 /* 796 * Experience has shown that the gpibwait in this gpibsend will 797 * occasionally timeout. It appears to occur mostly on old 7914 798 * drives with full maintenance tracks. We should probably 799 * integrate this with the backoff code in rderror. 800 */ 801 802 DPRINTF(RDB_ERROR, 803 ("rdstart: cmd %x adr %ul blk %" PRId64 " len %d ecnt %d\n", 804 sc->sc_ioc.c_cmd, sc->sc_ioc.c_addr, bp->b_blkno, sc->sc_resid, 805 sc->sc_errcnt)); 806 807 sc->sc_flags &= ~RDF_SEEK; 808 cs80reset(sc->sc_dev.dv_parent, slave, punit); 809 if (sc->sc_errcnt++ < RDRETRY) 810 goto again; 811 printf("%s: rdstart err: cmd 0x%x sect %uld blk %" PRId64 " len %d\n", 812 sc->sc_dev.dv_xname, sc->sc_ioc.c_cmd, sc->sc_ioc.c_addr, 813 bp->b_blkno, sc->sc_resid); 814 bp->b_flags |= B_ERROR; 815 bp->b_error = EIO; 816 bp = rdfinish(sc, bp); 817 if (bp) { 818 sc->sc_addr = bp->b_data; 819 sc->sc_resid = bp->b_bcount; 820 if (gpibrequest(sc->sc_ic, sc->sc_hdl)) 821 goto again; 822 } 823 } 824 825 void 826 rdintr(sc) 827 struct rd_softc *sc; 828 { 829 struct buf *bp; 830 u_int8_t stat = 13; /* in case gpibrecv fails */ 831 int rv, dir, restart, slave; 832 833 slave = sc->sc_slave; 834 bp = BUFQ_PEEK(&sc->sc_tab); 835 836 DPRINTF(RDB_FOLLOW, ("rdintr(%s): bp %p, %c, flags %x\n", 837 sc->sc_dev.dv_xname, bp, (bp->b_flags & B_READ) ? 'R' : 'W', 838 sc->sc_flags)); 839 840 disk_unbusy(&sc->sc_dk, (bp->b_bcount - bp->b_resid), 841 (bp->b_flags & B_READ)); 842 843 if (sc->sc_flags & RDF_SEEK) { 844 sc->sc_flags &= ~RDF_SEEK; 845 dir = (bp->b_flags & B_READ ? GPIB_READ : GPIB_WRITE); 846 gpibxfer(sc->sc_ic, slave, CS80CMD_EXEC, sc->sc_addr, 847 sc->sc_resid, dir, dir == GPIB_READ); 848 disk_busy(&sc->sc_dk); 849 return; 850 } 851 if ((sc->sc_flags & RDF_SWAIT) == 0) { 852 if (gpibpptest(sc->sc_ic, slave) == 0) { 853 /* Instrumentation. */ 854 disk_busy(&sc->sc_dk); 855 sc->sc_flags |= RDF_SWAIT; 856 gpibawait(sc->sc_ic); 857 return; 858 } 859 } else 860 sc->sc_flags &= ~RDF_SWAIT; 861 rv = gpibrecv(sc->sc_ic, slave, CS80CMD_QSTAT, &stat, 1); 862 if (rv != 1 || stat) { 863 DPRINTF(RDB_ERROR, 864 ("rdintr: receive failed (rv=%d) or bad stat %d\n", rv, 865 stat)); 866 restart = rderror(sc); 867 if (sc->sc_errcnt++ < RDRETRY) { 868 if (restart) 869 rdstart(sc); 870 return; 871 } 872 bp->b_flags |= B_ERROR; 873 bp->b_error = EIO; 874 } 875 if (rdfinish(sc, bp) != NULL) 876 rdustart(sc); 877 #if NRND > 0 878 rnd_add_uint32(&sc->rnd_source, bp->b_blkno); 879 #endif 880 } 881 882 /* 883 * Deal with errors. 884 * Returns 1 if request should be restarted, 885 * 0 if we should just quietly give up. 886 */ 887 int 888 rderror(sc) 889 struct rd_softc *sc; 890 { 891 struct cs80_stat css; 892 struct buf *bp; 893 daddr_t hwbn, pbn; 894 895 DPRINTF(RDB_FOLLOW, ("rderror: sc=%p\n", sc)); 896 897 if (cs80status(sc->sc_dev.dv_parent, sc->sc_slave, 898 sc->sc_punit, &css)) { 899 cs80reset(sc->sc_dev.dv_parent, sc->sc_slave, sc->sc_punit); 900 return (1); 901 } 902 #ifdef DEBUG 903 if (rddebug & RDB_ERROR) { /* status info */ 904 printf("\n volume: %d, unit: %d\n", 905 (css.c_vu>>4)&0xF, css.c_vu&0xF); 906 printf(" reject 0x%x\n", css.c_ref); 907 printf(" fault 0x%x\n", css.c_fef); 908 printf(" access 0x%x\n", css.c_aef); 909 printf(" info 0x%x\n", css.c_ief); 910 printf(" block, P1-P10: "); 911 printf("0x%x", *(u_int32_t *)&css.c_raw[0]); 912 printf("0x%x", *(u_int32_t *)&css.c_raw[4]); 913 printf("0x%x\n", *(u_int16_t *)&css.c_raw[8]); 914 } 915 #endif 916 if (css.c_fef & FEF_REXMT) 917 return (1); 918 if (css.c_fef & FEF_PF) { 919 cs80reset(sc->sc_dev.dv_parent, sc->sc_slave, sc->sc_punit); 920 return (1); 921 } 922 /* 923 * Unit requests release for internal maintenance. 924 * We just delay awhile and try again later. Use expontially 925 * increasing backoff ala ethernet drivers since we don't really 926 * know how long the maintenance will take. With RDWAITC and 927 * RDRETRY as defined, the range is 1 to 32 seconds. 928 */ 929 if (css.c_fef & FEF_IMR) { 930 extern int hz; 931 int rdtimo = RDWAITC << sc->sc_errcnt; 932 DPRINTF(RDB_STATUS, 933 ("%s: internal maintenance, %d-second timeout\n", 934 sc->sc_dev.dv_xname, rdtimo)); 935 gpibrelease(sc->sc_ic, sc->sc_hdl); 936 callout_reset(&sc->sc_restart_ch, rdtimo * hz, rdrestart, sc); 937 return (0); 938 } 939 /* 940 * Only report error if we have reached the error reporting 941 * threshhold. By default, this will only report after the 942 * retry limit has been exceeded. 943 */ 944 if (sc->sc_errcnt < rderrthresh) 945 return (1); 946 947 /* 948 * First conjure up the block number at which the error occurred. 949 */ 950 bp = BUFQ_PEEK(&sc->sc_tab); 951 pbn = sc->sc_dk.dk_label->d_partitions[RDPART(bp->b_dev)].p_offset; 952 if ((css.c_fef & FEF_CU) || (css.c_fef & FEF_DR) || 953 (css.c_ief & IEF_RRMASK)) { 954 /* 955 * Not all errors report a block number, just use b_blkno. 956 */ 957 hwbn = RDBTOS(pbn + bp->b_blkno); 958 pbn = bp->b_blkno; 959 } else { 960 hwbn = css.c_blk; 961 pbn = RDSTOB(hwbn) - pbn; 962 } 963 #ifdef DEBUG 964 if (rddebug & RDB_ERROR) { /* status info */ 965 printf("\n volume: %d, unit: %d\n", 966 (css.c_vu>>4)&0xF, css.c_vu&0xF); 967 printf(" reject 0x%x\n", css.c_ref); 968 printf(" fault 0x%x\n", css.c_fef); 969 printf(" access 0x%x\n", css.c_aef); 970 printf(" info 0x%x\n", css.c_ief); 971 printf(" block, P1-P10: "); 972 printf(" block: %" PRId64 ", P1-P10: ", hwbn); 973 printf("0x%x", *(u_int32_t *)&css.c_raw[0]); 974 printf("0x%x", *(u_int32_t *)&css.c_raw[4]); 975 printf("0x%x\n", *(u_int16_t *)&css.c_raw[8]); 976 } 977 #endif 978 #ifdef DEBUG 979 if (rddebug & RDB_ERROR) { /* command */ 980 printf(" ioc: "); 981 printf("0x%x", *(u_int32_t *)&sc->sc_ioc.c_pad); 982 printf("0x%x", *(u_int16_t *)&sc->sc_ioc.c_hiaddr); 983 printf("0x%x", *(u_int32_t *)&sc->sc_ioc.c_addr); 984 printf("0x%x", *(u_int16_t *)&sc->sc_ioc.c_nop2); 985 printf("0x%x", *(u_int32_t *)&sc->sc_ioc.c_len); 986 printf("0x%x\n", *(u_int16_t *)&sc->sc_ioc.c_cmd); 987 return (1); 988 } 989 #endif 990 /* 991 * Now output a generic message suitable for badsect. 992 * Note that we don't use harderr because it just prints 993 * out b_blkno which is just the beginning block number 994 * of the transfer, not necessary where the error occurred. 995 */ 996 printf("%s%c: hard error, sector number %" PRId64 "\n", 997 sc->sc_dev.dv_xname, 'a'+RDPART(bp->b_dev), pbn); 998 /* 999 * Now report the status as returned by the hardware with 1000 * attempt at interpretation. 1001 */ 1002 printf("%s %s error:", sc->sc_dev.dv_xname, 1003 (bp->b_flags & B_READ) ? "read" : "write"); 1004 printf(" unit %d, volume %d R0x%x F0x%x A0x%x I0x%x\n", 1005 css.c_vu&0xF, (css.c_vu>>4)&0xF, 1006 css.c_ref, css.c_fef, css.c_aef, css.c_ief); 1007 printf("P1-P10: "); 1008 printf("0x%x ", *(u_int32_t *)&css.c_raw[0]); 1009 printf("0x%x ", *(u_int32_t *)&css.c_raw[4]); 1010 printf("0x%x\n", *(u_int16_t *)&css.c_raw[8]); 1011 1012 return (1); 1013 } 1014 1015 int 1016 rdread(dev, uio, flags) 1017 dev_t dev; 1018 struct uio *uio; 1019 int flags; 1020 { 1021 1022 return (physio(rdstrategy, NULL, dev, B_READ, minphys, uio)); 1023 } 1024 1025 int 1026 rdwrite(dev, uio, flags) 1027 dev_t dev; 1028 struct uio *uio; 1029 int flags; 1030 { 1031 1032 return (physio(rdstrategy, NULL, dev, B_WRITE, minphys, uio)); 1033 } 1034 1035 int 1036 rdioctl(dev, cmd, data, flag, p) 1037 dev_t dev; 1038 u_long cmd; 1039 caddr_t data; 1040 int flag; 1041 struct proc *p; 1042 { 1043 struct rd_softc *sc; 1044 struct disklabel *lp; 1045 int error, flags; 1046 1047 sc = device_lookup(&rd_cd, RDUNIT(dev)); 1048 if (sc == NULL) 1049 return (ENXIO); 1050 lp = sc->sc_dk.dk_label; 1051 1052 DPRINTF(RDB_FOLLOW, ("rdioctl: sc=%p\n", sc)); 1053 1054 switch (cmd) { 1055 case DIOCGDINFO: 1056 *(struct disklabel *)data = *lp; 1057 return (0); 1058 1059 case DIOCGPART: 1060 ((struct partinfo *)data)->disklab = lp; 1061 ((struct partinfo *)data)->part = 1062 &lp->d_partitions[RDPART(dev)]; 1063 return (0); 1064 1065 case DIOCWLABEL: 1066 if ((flag & FWRITE) == 0) 1067 return (EBADF); 1068 if (*(int *)data) 1069 sc->sc_flags |= RDF_WLABEL; 1070 else 1071 sc->sc_flags &= ~RDF_WLABEL; 1072 return (0); 1073 1074 case DIOCSDINFO: 1075 if ((flag & FWRITE) == 0) 1076 return (EBADF); 1077 return (setdisklabel(lp, (struct disklabel *)data, 1078 (sc->sc_flags & RDF_WLABEL) ? 0 : sc->sc_dk.dk_openmask, 1079 (struct cpu_disklabel *)0)); 1080 1081 case DIOCWDINFO: 1082 if ((flag & FWRITE) == 0) 1083 return (EBADF); 1084 error = setdisklabel(lp, (struct disklabel *)data, 1085 (sc->sc_flags & RDF_WLABEL) ? 0 : sc->sc_dk.dk_openmask, 1086 (struct cpu_disklabel *)0); 1087 if (error) 1088 return (error); 1089 flags = sc->sc_flags; 1090 sc->sc_flags = RDF_ALIVE | RDF_WLABEL; 1091 error = writedisklabel(RDLABELDEV(dev), rdstrategy, lp, 1092 (struct cpu_disklabel *)0); 1093 sc->sc_flags = flags; 1094 return (error); 1095 1096 case DIOCGDEFLABEL: 1097 rdgetdefaultlabel(sc, (struct disklabel *)data); 1098 return (0); 1099 } 1100 return (EINVAL); 1101 } 1102 1103 void 1104 rdgetdefaultlabel(sc, lp) 1105 struct rd_softc *sc; 1106 struct disklabel *lp; 1107 { 1108 int type = sc->sc_type; 1109 1110 memset((caddr_t)lp, 0, sizeof(struct disklabel)); 1111 1112 lp->d_type = DTYPE_GPIB; 1113 lp->d_secsize = DEV_BSIZE; 1114 lp->d_nsectors = rdidentinfo[type].ri_nbpt; 1115 lp->d_ntracks = rdidentinfo[type].ri_ntpc; 1116 lp->d_ncylinders = rdidentinfo[type].ri_ncyl; 1117 lp->d_secpercyl = lp->d_ntracks * lp->d_nsectors; 1118 lp->d_secperunit = lp->d_ncylinders * lp->d_secpercyl; 1119 1120 strncpy(lp->d_typename, rdidentinfo[type].ri_desc, 16); 1121 strncpy(lp->d_packname, "fictitious", 16); 1122 lp->d_rpm = 3000; 1123 lp->d_interleave = 1; 1124 lp->d_flags = 0; 1125 1126 lp->d_partitions[RAW_PART].p_offset = 0; 1127 lp->d_partitions[RAW_PART].p_size = 1128 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 1129 lp->d_partitions[RAW_PART].p_fstype = FS_UNUSED; 1130 lp->d_npartitions = RAW_PART + 1; 1131 1132 lp->d_magic = DISKMAGIC; 1133 lp->d_magic2 = DISKMAGIC; 1134 lp->d_checksum = dkcksum(lp); 1135 } 1136 1137 int 1138 rdsize(dev) 1139 dev_t dev; 1140 { 1141 struct rd_softc *sc; 1142 int psize, didopen = 0; 1143 1144 sc = device_lookup(&rd_cd, RDUNIT(dev)); 1145 if (sc == NULL || (sc->sc_flags & RDF_ALIVE) == 0) 1146 return (-1); 1147 1148 /* 1149 * We get called very early on (via swapconf) 1150 * without the device being open so we may need 1151 * to handle it here. 1152 */ 1153 if (sc->sc_dk.dk_openmask == 0) { 1154 if (rdopen(dev, FREAD | FWRITE, S_IFBLK, NULL)) 1155 return (-1); 1156 didopen = 1; 1157 } 1158 psize = sc->sc_dk.dk_label->d_partitions[RDPART(dev)].p_size * 1159 (sc->sc_dk.dk_label->d_secsize / DEV_BSIZE); 1160 if (didopen) 1161 (void) rdclose(dev, FREAD | FWRITE, S_IFBLK, NULL); 1162 return (psize); 1163 } 1164 1165 1166 static int rddoingadump; /* simple mutex */ 1167 1168 /* 1169 * Non-interrupt driven, non-dma dump routine. 1170 */ 1171 int 1172 rddump(dev, blkno, va, size) 1173 dev_t dev; 1174 daddr_t blkno; 1175 caddr_t va; 1176 size_t size; 1177 { 1178 struct rd_softc *sc; 1179 int sectorsize; /* size of a disk sector */ 1180 int nsects; /* number of sectors in partition */ 1181 int sectoff; /* sector offset of partition */ 1182 int totwrt; /* total number of sectors left to write */ 1183 int nwrt; /* current number of sectors to write */ 1184 int slave; 1185 struct disklabel *lp; 1186 u_int8_t stat; 1187 1188 /* Check for recursive dump; if so, punt. */ 1189 if (rddoingadump) 1190 return (EFAULT); 1191 rddoingadump = 1; 1192 1193 sc = device_lookup(&rd_cd, RDUNIT(dev)); 1194 if (sc == NULL || (sc->sc_flags & RDF_ALIVE) == 0) 1195 return (ENXIO); 1196 1197 DPRINTF(RDB_FOLLOW, ("rddump: sc=%p\n", sc)); 1198 1199 slave = sc->sc_slave; 1200 1201 /* 1202 * Convert to disk sectors. Request must be a multiple of size. 1203 */ 1204 lp = sc->sc_dk.dk_label; 1205 sectorsize = lp->d_secsize; 1206 if ((size % sectorsize) != 0) 1207 return (EFAULT); 1208 totwrt = size / sectorsize; 1209 blkno = dbtob(blkno) / sectorsize; /* blkno in DEV_BSIZE units */ 1210 1211 nsects = lp->d_partitions[RDPART(dev)].p_size; 1212 sectoff = lp->d_partitions[RDPART(dev)].p_offset; 1213 1214 /* Check transfer bounds against partition size. */ 1215 if ((blkno < 0) || (blkno + totwrt) > nsects) 1216 return (EINVAL); 1217 1218 /* Offset block number to start of partition. */ 1219 blkno += sectoff; 1220 1221 while (totwrt > 0) { 1222 nwrt = totwrt; /* XXX */ 1223 #ifndef RD_DUMP_NOT_TRUSTED 1224 /* 1225 * Fill out and send GPIB command. 1226 */ 1227 sc->sc_ioc.c_unit = CS80CMD_SUNIT(sc->sc_punit); 1228 sc->sc_ioc.c_volume = CS80CMD_SVOL(0); 1229 sc->sc_ioc.c_saddr = CS80CMD_SADDR; 1230 sc->sc_ioc.c_hiaddr = 0; 1231 sc->sc_ioc.c_addr = RDBTOS(blkno); 1232 sc->sc_ioc.c_nop2 = CS80CMD_NOP; 1233 sc->sc_ioc.c_slen = CS80CMD_SLEN; 1234 sc->sc_ioc.c_len = nwrt * sectorsize; 1235 sc->sc_ioc.c_cmd = CS80CMD_WRITE; 1236 (void) gpibsend(sc->sc_ic, slave, CS80CMD_SCMD, 1237 &sc->sc_ioc.c_unit, sizeof(sc->sc_ioc)-3); 1238 if (gpibswait(sc->sc_ic, slave)) 1239 return (EIO); 1240 /* 1241 * Send the data. 1242 */ 1243 (void) gpibsend(sc->sc_ic, slave, CS80CMD_EXEC, va, 1244 nwrt * sectorsize); 1245 (void) gpibswait(sc->sc_ic, slave); 1246 (void) gpibrecv(sc->sc_ic, slave, CS80CMD_QSTAT, &stat, 1); 1247 if (stat) 1248 return (EIO); 1249 #else /* RD_DUMP_NOT_TRUSTED */ 1250 /* Let's just talk about this first... */ 1251 printf("%s: dump addr %p, blk %d\n", sc->sc_dev.dv_xname, 1252 va, blkno); 1253 delay(500 * 1000); /* half a second */ 1254 #endif /* RD_DUMP_NOT_TRUSTED */ 1255 1256 /* update block count */ 1257 totwrt -= nwrt; 1258 blkno += nwrt; 1259 va += sectorsize * nwrt; 1260 } 1261 rddoingadump = 0; 1262 return (0); 1263 } 1264 1265 #ifdef COMPAT_NOLABEL 1266 1267 /* 1268 * CS/80 partitions. We reserve the first cylinder for a LIF 1269 * style boot directory (the 8k allowed in the BSD filesystem 1270 * is just way too small). This boot area is outside of all but 1271 * the C partition. This implies that you cannot use the C 1272 * partition on a bootable disk since the filesystem would overlay 1273 * the boot area. You must use the A partition. 1274 * 1275 * These maps support four basic layouts: 1276 * 1277 * A/B/G: This is the "traditional" setup for a bootable disk. 1278 * A is the root partition, B the swap, and G a user partition. 1279 * A/D/H: This is a setup for bootable systems requiring more swap 1280 * (e.g. those who use HPCL). It has A as the root, D as a 1281 * larger swap, and H as a smaller user partition. 1282 * A/D/E/F: Similar to A/D/H with E and F breaking H into two partitions. 1283 * E could be used for /usr and F for users. 1284 * C: This gives a single, non-bootable, large user filesystem. 1285 * Good for second drives on a machine (e.g. /usr/src). 1286 */ 1287 struct size { 1288 daddr_t nblocks; 1289 int cyloff; 1290 } rd7945A_sizes[8] = { 1291 { RDSZ(15904), 1 }, /* A=cyl 1 thru 142 */ 1292 { RDSZ(20160), 143 }, /* B=cyl 143 thru 322 */ 1293 { RDSZ(108416), 0 }, /* C=cyl 0 thru 967 */ 1294 { RDSZ(40320), 143 }, /* D=cyl 143 thru 502 */ 1295 { RDSZ(0), 0 }, /* E=<undefined> */ 1296 { RDSZ(0), 0 }, /* F=<undefined> */ 1297 { RDSZ(72240), 323 }, /* G=cyl 323 thru 967 */ 1298 { RDSZ(52080), 503 }, /* H=cyl 503 thru 967 */ 1299 }, rd9134D_sizes[8] = { 1300 { RDSZ(15936), 1 }, /* A=cyl 1 thru 166 */ 1301 { RDSZ(13056), 167 }, /* B=cyl 167 thru 302 */ 1302 { RDSZ(29088), 0 }, /* C=cyl 0 thru 302 */ 1303 { RDSZ(0), 0 }, /* D=<undefined> */ 1304 { RDSZ(0), 0 }, /* E=<undefined> */ 1305 { RDSZ(0), 0 }, /* F=<undefined> */ 1306 { RDSZ(0), 0 }, /* G=<undefined> */ 1307 { RDSZ(0), 0 }, /* H=<undefined> */ 1308 }, rd9122S_sizes[8] = { 1309 { RDSZ(0), 0 }, /* A=<undefined> */ 1310 { RDSZ(0), 0 }, /* B=<undefined> */ 1311 { RDSZ(1232), 0 }, /* C=cyl 0 thru 76 */ 1312 { RDSZ(0), 0 }, /* D=<undefined> */ 1313 { RDSZ(0), 0 }, /* E=<undefined> */ 1314 { RDSZ(0), 0 }, /* F=<undefined> */ 1315 { RDSZ(0), 0 }, /* G=<undefined> */ 1316 { RDSZ(0), 0 }, /* H=<undefined> */ 1317 }, rd7912P_sizes[8] = { 1318 { RDSZ(15904), 0 }, /* A=cyl 1 thru 71 */ 1319 { RDSZ(22400), 72 }, /* B=cyl 72 thru 171 */ 1320 { RDSZ(128128), 0 }, /* C=cyl 0 thru 571 */ 1321 { RDSZ(42560), 72 }, /* D=cyl 72 thru 261 */ 1322 { RDSZ(0), 292 }, /* E=<undefined> */ 1323 { RDSZ(0), 542 }, /* F=<undefined> */ 1324 { RDSZ(89600), 172 }, /* G=cyl 221 thru 571 */ 1325 { RDSZ(69440), 262 }, /* H=cyl 262 thru 571 */ 1326 }, rd7914P_sizes[8] = { 1327 { RDSZ(15904), 1 }, /* A=cyl 1 thru 71 */ 1328 { RDSZ(40320), 72 }, /* B=cyl 72 thru 251 */ 1329 { RDSZ(258048), 0 }, /* C=cyl 0 thru 1151 */ 1330 { RDSZ(64960), 72 }, /* D=cyl 72 thru 361 */ 1331 { RDSZ(98560), 362 }, /* E=cyl 362 thru 801 */ 1332 { RDSZ(78400), 802 }, /* F=cyl 802 thru 1151 */ 1333 { RDSZ(201600), 252 }, /* G=cyl 221 thru 1151 */ 1334 { RDSZ(176960), 362 }, /* H=cyl 362 thru 1151 */ 1335 }, rd7933H_sizes[8] = { 1336 { RDSZ(16146), 1 }, /* A=cyl 1 thru 27 */ 1337 { RDSZ(66976), 28 }, /* B=cyl 28 thru 139 */ 1338 { RDSZ(789958), 0 }, /* C=cyl 0 thru 1320 */ 1339 { RDSZ(16146), 140 }, /* D=cyl 140 thru 166 */ 1340 { RDSZ(165646), 167 }, /* E=cyl 167 thru 443 */ 1341 { RDSZ(165646), 444 }, /* F=cyl 444 thru 720 */ 1342 { RDSZ(706238), 140 }, /* G=cyl 140 thru 1320 */ 1343 { RDSZ(358800), 721 }, /* H=cyl 721 thru 1320 */ 1344 }, rd9134L_sizes[8] = { 1345 { RDSZ(15920), 1 }, /* A=cyl 1 thru 199 */ 1346 { RDSZ(20000), 200 }, /* B=cyl 200 thru 449 */ 1347 { RDSZ(77840), 0 }, /* C=cyl 0 thru 972 */ 1348 { RDSZ(32000), 200 }, /* D=cyl 200 thru 599 */ 1349 { RDSZ(0), 0 }, /* E=<undefined> */ 1350 { RDSZ(0), 0 }, /* F=<undefined> */ 1351 { RDSZ(41840), 450 }, /* G=cyl 450 thru 972 */ 1352 { RDSZ(29840), 600 }, /* H=cyl 600 thru 972 */ 1353 }, rd7957A_sizes[8] = { 1354 { RDSZ(16016), 1 }, /* A=cyl 1 thru 104 */ 1355 { RDSZ(24640), 105 }, /* B=cyl 105 thru 264 */ 1356 { RDSZ(159544), 0 }, /* C=cyl 0 thru 1035 */ 1357 { RDSZ(42350), 105 }, /* D=cyl 105 thru 379 */ 1358 { RDSZ(54824), 380 }, /* E=cyl 380 thru 735 */ 1359 { RDSZ(46200), 736 }, /* F=cyl 736 thru 1035 */ 1360 { RDSZ(118734), 265 }, /* G=cyl 265 thru 1035 */ 1361 { RDSZ(101024), 380 }, /* H=cyl 380 thru 1035 */ 1362 }, rd7958A_sizes[8] = { 1363 { RDSZ(16128), 1 }, /* A=cyl 1 thru 64 */ 1364 { RDSZ(32256), 65 }, /* B=cyl 65 thru 192 */ 1365 { RDSZ(255276), 0 }, /* C=cyl 0 thru 1012 */ 1366 { RDSZ(48384), 65 }, /* D=cyl 65 thru 256 */ 1367 { RDSZ(100800), 257 }, /* E=cyl 257 thru 656 */ 1368 { RDSZ(89712), 657 }, /* F=cyl 657 thru 1012 */ 1369 { RDSZ(206640), 193 }, /* G=cyl 193 thru 1012 */ 1370 { RDSZ(190512), 257 }, /* H=cyl 257 thru 1012 */ 1371 }, rd7957B_sizes[8] = { 1372 { RDSZ(16002), 1 }, /* A=cyl 1 thru 127 */ 1373 { RDSZ(32760), 128 }, /* B=cyl 128 thru 387 */ 1374 { RDSZ(159894), 0 }, /* C=cyl 0 thru 1268 */ 1375 { RDSZ(49140), 128 }, /* D=cyl 128 thru 517 */ 1376 { RDSZ(50400), 518 }, /* E=cyl 518 thru 917 */ 1377 { RDSZ(44226), 918 }, /* F=cyl 918 thru 1268 */ 1378 { RDSZ(111006), 388 }, /* G=cyl 388 thru 1268 */ 1379 { RDSZ(94626), 518 }, /* H=cyl 518 thru 1268 */ 1380 }, rd7958B_sizes[8] = { 1381 { RDSZ(16254), 1 }, /* A=cyl 1 thru 43 */ 1382 { RDSZ(32886), 44 }, /* B=cyl 44 thru 130 */ 1383 { RDSZ(297108), 0 }, /* C=cyl 0 thru 785 */ 1384 { RDSZ(49140), 44 }, /* D=cyl 44 thru 173 */ 1385 { RDSZ(121716), 174 }, /* E=cyl 174 thru 495 */ 1386 { RDSZ(109620), 496 }, /* F=cyl 496 thru 785 */ 1387 { RDSZ(247590), 131 }, /* G=cyl 131 thru 785 */ 1388 { RDSZ(231336), 174 }, /* H=cyl 174 thru 785 */ 1389 }, rd7959B_sizes[8] = { 1390 { RDSZ(16254), 1 }, /* A=cyl 1 thru 43 */ 1391 { RDSZ(49140), 44 }, /* B=cyl 44 thru 173 */ 1392 { RDSZ(594216), 0 }, /* C=cyl 0 thru 1571 */ 1393 { RDSZ(65772), 44 }, /* D=cyl 44 thru 217 */ 1394 { RDSZ(303912), 218 }, /* E=cyl 218 thru 1021 */ 1395 { RDSZ(207900), 1022 }, /* F=cyl 1022 thru 1571 */ 1396 { RDSZ(528444), 174 }, /* G=cyl 174 thru 1571 */ 1397 { RDSZ(511812), 218 }, /* H=cyl 218 thru 1571 */ 1398 }, rd2200A_sizes[8] = { 1399 { RDSZ(16272), 1 }, /* A=cyl 1 thru 36 */ 1400 { RDSZ(49720), 37 }, /* B=cyl 37 thru 146 */ 1401 { RDSZ(654948), 0 }, /* C=cyl 0 thru 1448 */ 1402 { RDSZ(65992), 37 }, /* D=cyl 37 thru 182 */ 1403 { RDSZ(304648), 183 }, /* E=cyl 183 thru 856 */ 1404 { RDSZ(267584), 857 }, /* F=cyl 857 thru 1448 */ 1405 { RDSZ(588504), 147 }, /* G=cyl 147 thru 1448 */ 1406 { RDSZ(572232), 183 }, /* H=cyl 183 thru 1448 */ 1407 }, rd2203A_sizes[8] = { 1408 /* modelled after the 7937; i.e. bogus */ 1409 { RDSZ(16272), 1 }, /* A=cyl 1 thru 18 */ 1410 { RDSZ(67800), 19 }, /* B=cyl 19 thru 93 */ 1411 { RDSZ(1309896), 0 }, /* C=cyl 0 thru 1448 */ 1412 { RDSZ(16272), 94 }, /* D=cyl 19 thru 111 */ 1413 { RDSZ(305552), 112 }, /* E=cyl 112 thru 449 */ 1414 { RDSZ(305552), 450 }, /* F=cyl 450 thru 787 */ 1415 { RDSZ(1224920), 94 }, /* G=cyl 94 thru 1448 */ 1416 { RDSZ(597544), 788 }, /* H=cyl 788 thru 1448 */ 1417 }, rd7936H_sizes[8] = { 1418 { RDSZ(16359), 1 }, /* A=cyl 1 thru 19 */ 1419 { RDSZ(67158), 20 }, /* B=cyl 20 thru 97 */ 1420 { RDSZ(600978), 0 }, /* C=cyl 0 thru 697 */ 1421 { RDSZ(16359), 98 }, /* D=cyl 98 thru 116 */ 1422 { RDSZ(120540), 117 }, /* E=cyl 117 thru 256 */ 1423 { RDSZ(120540), 256 }, /* F=cyl 256 thru 396 */ 1424 { RDSZ(516600), 98 }, /* G=cyl 98 thru 697 */ 1425 { RDSZ(259161), 397 }, /* H=cyl 397 thru 697 */ 1426 }, rd7937H_sizes[8] = { 1427 { RDSZ(15990), 1 }, /* A=cyl 1 thru 10 */ 1428 { RDSZ(67158), 11 }, /* B=cyl 11 thru 52 */ 1429 { RDSZ(1116102), 0 }, /* C=cyl 0 thru 697 */ 1430 { RDSZ(124722), 53 }, /* D=cyl 53 thru 130 */ 1431 { RDSZ(163098), 131 }, /* E=cyl 131 thru 232 */ 1432 { RDSZ(287820), 233 }, /* F=cyl 233 thru 412 */ 1433 { RDSZ(1031355), 53 }, /* G=cyl 53 thru 697 */ 1434 { RDSZ(455715), 413 }, /* H=cyl 413 thru 697 */ 1435 }; 1436 1437 /* 1438 * Indexed the same as rdidentinfo array. 1439 */ 1440 struct rdcompatinfo { 1441 struct size *sizes; /* partition info */ 1442 } rdcompatinfo[] = { 1443 { rd7945A_sizes }, 1444 { rd9134D_sizes }, 1445 { rd9122S_sizes }, 1446 { rd7912P_sizes }, 1447 { rd7914P_sizes }, 1448 { rd7958A_sizes }, 1449 { rd7957A_sizes }, 1450 { rd7933H_sizes }, 1451 { rd9134L_sizes }, 1452 { rd7936H_sizes }, 1453 { rd7937H_sizes }, 1454 { rd7914P_sizes }, 1455 { rd7945A_sizes }, 1456 { rd9122S_sizes }, 1457 { rd7957B_sizes }, 1458 { rd7958B_sizes }, 1459 { rd7959B_sizes }, 1460 { rd2200A_sizes }, 1461 { rd2203A_sizes }, 1462 }; 1463 int nrdcompatinfo = sizeof(rdcompatinfo) / sizeof(rdcompatinfo[0]); 1464 1465 void 1466 rdgetcompatlabel(sc, lp) 1467 struct rd_softc *sc; 1468 struct disklabel *lp; 1469 { 1470 struct rdcompatinfo *ci = &rdcompatinfo[sc->sc_type]; 1471 const struct rdidentinfo *ri = &rdidentinfo[sc->sc_type]; 1472 struct partition *pi; 1473 int dcount; 1474 1475 rdgetdefaultlabel(sc, lp); 1476 1477 lp->d_npartitions = 8; 1478 pi = lp->d_partitions; 1479 for (dcount = 0; dcount < lp->d_npartitions; dcount++) { 1480 pi->p_size = ci->sizes[dcount].nblocks; 1481 pi->p_offset = ci->sizes[dcount].cyloff * lp->d_secpercyl; 1482 pi->p_fsize = 1024; 1483 if (dcount == 1 || dcount == 3) 1484 pi->p_fstype = FS_SWAP; 1485 else if (dcount == 2) 1486 pi->p_fstype = FS_BOOT; 1487 else 1488 pi->p_fstype = FS_BSDFFS; 1489 pi->p_frag = 8; 1490 pi++; 1491 } 1492 } 1493 1494 #endif /* COMPAT_NOLABEL */
Cache object: 84dbf4e9be9327ed6eac01e9af2bd4d6
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