rd.c revision 1.109
1 /* $NetBSD: rd.c,v 1.109 2021/07/11 13:00:52 tsutsui Exp $ */ 2 3 /*- 4 * Copyright (c) 1996, 1997 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) 1988 University of Utah. 34 * Copyright (c) 1982, 1990, 1993 35 * The Regents of the University of California. All rights reserved. 36 * 37 * This code is derived from software contributed to Berkeley by 38 * the Systems Programming Group of the University of Utah Computer 39 * Science Department. 40 * 41 * Redistribution and use in source and binary forms, with or without 42 * modification, are permitted provided that the following conditions 43 * are met: 44 * 1. Redistributions of source code must retain the above copyright 45 * notice, this list of conditions and the following disclaimer. 46 * 2. Redistributions in binary form must reproduce the above copyright 47 * notice, this list of conditions and the following disclaimer in the 48 * documentation and/or other materials provided with the distribution. 49 * 3. Neither the name of the University nor the names of its contributors 50 * may be used to endorse or promote products derived from this software 51 * without specific prior written permission. 52 * 53 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 54 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 55 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 56 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 57 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 58 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 59 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 60 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 61 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 62 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 63 * SUCH DAMAGE. 64 * 65 * from: Utah $Hdr: rd.c 1.44 92/12/26$ 66 * 67 * @(#)rd.c 8.2 (Berkeley) 5/19/94 68 */ 69 70 /* 71 * CS80/SS80 disk driver 72 */ 73 74 #include <sys/cdefs.h> 75 __KERNEL_RCSID(0, "$NetBSD: rd.c,v 1.109 2021/07/11 13:00:52 tsutsui Exp $"); 76 77 #include "opt_useleds.h" 78 79 #include <sys/param.h> 80 #include <sys/systm.h> 81 #include <sys/buf.h> 82 #include <sys/bufq.h> 83 #include <sys/conf.h> 84 #include <sys/device.h> 85 #include <sys/disk.h> 86 #include <sys/disklabel.h> 87 #include <sys/fcntl.h> 88 #include <sys/ioctl.h> 89 #include <sys/proc.h> 90 #include <sys/stat.h> 91 92 #include <sys/rndsource.h> 93 94 #include <hp300/dev/hpibvar.h> 95 96 #include <hp300/dev/rdreg.h> 97 #include <hp300/dev/rdvar.h> 98 99 #ifdef USELEDS 100 #include <hp300/hp300/leds.h> 101 #endif 102 103 #include "ioconf.h" 104 105 int rderrthresh = RDRETRY-1; /* when to start reporting errors */ 106 107 #ifdef DEBUG 108 /* error message tables */ 109 static const char *err_reject[] = { 110 0, 0, 111 "channel parity error", /* 0x2000 */ 112 0, 0, 113 "illegal opcode", /* 0x0400 */ 114 "module addressing", /* 0x0200 */ 115 "address bounds", /* 0x0100 */ 116 "parameter bounds", /* 0x0080 */ 117 "illegal parameter", /* 0x0040 */ 118 "message sequence", /* 0x0020 */ 119 0, 120 "message length", /* 0x0008 */ 121 0, 0, 0 122 }; 123 124 static const char *err_fault[] = { 125 0, 126 "cross unit", /* 0x4000 */ 127 0, 128 "controller fault", /* 0x1000 */ 129 0, 0, 130 "unit fault", /* 0x0200 */ 131 0, 132 "diagnostic result", /* 0x0080 */ 133 0, 134 "operator release request", /* 0x0020 */ 135 "diagnostic release request", /* 0x0010 */ 136 "internal maintenance release request", /* 0x0008 */ 137 0, 138 "power fail", /* 0x0002 */ 139 "retransmit" /* 0x0001 */ 140 }; 141 142 static const char *err_access[] = { 143 "illegal parallel operation", /* 0x8000 */ 144 "uninitialized media", /* 0x4000 */ 145 "no spares available", /* 0x2000 */ 146 "not ready", /* 0x1000 */ 147 "write protect", /* 0x0800 */ 148 "no data found", /* 0x0400 */ 149 0, 0, 150 "unrecoverable data overflow", /* 0x0080 */ 151 "unrecoverable data", /* 0x0040 */ 152 0, 153 "end of file", /* 0x0010 */ 154 "end of volume", /* 0x0008 */ 155 0, 0, 0 156 }; 157 158 static const char *err_info[] = { 159 "operator release request", /* 0x8000 */ 160 "diagnostic release request", /* 0x4000 */ 161 "internal maintenance release request", /* 0x2000 */ 162 "media wear", /* 0x1000 */ 163 "latency induced", /* 0x0800 */ 164 0, 0, 165 "auto sparing invoked", /* 0x0100 */ 166 0, 167 "recoverable data overflow", /* 0x0040 */ 168 "marginal data", /* 0x0020 */ 169 "recoverable data", /* 0x0010 */ 170 0, 171 "maintenance track overflow", /* 0x0004 */ 172 0, 0 173 }; 174 175 #define RDB_FOLLOW 0x01 176 #define RDB_STATUS 0x02 177 #define RDB_IDENT 0x04 178 #define RDB_IO 0x08 179 #define RDB_ASYNC 0x10 180 #define RDB_ERROR 0x80 181 int rddebug = RDB_ERROR | RDB_IDENT; 182 #endif 183 184 /* 185 * Misc. HW description, indexed by sc_type. 186 * Nothing really critical here, could do without it. 187 */ 188 static const struct rdidentinfo rdidentinfo[] = { 189 [RD7945A] = { 190 .ri_hwid = RD7946AID, 191 .ri_desc = "7945A", 192 .ri_nbpt = NRD7945ABPT, 193 .ri_ntpc = NRD7945ATRK, 194 .ri_ncyl = 968, 195 .ri_nblocks = 108416 196 }, 197 198 [RD9134D] = { 199 .ri_hwid = RD9134DID, 200 .ri_desc = "9134D", 201 .ri_nbpt = NRD9134DBPT, 202 .ri_ntpc = NRD9134DTRK, 203 .ri_ncyl = 303, 204 .ri_nblocks = 29088 205 }, 206 207 [RD9122S] = { 208 .ri_hwid = RD9134LID, 209 .ri_desc = "9122S", 210 .ri_nbpt = NRD9122SBPT, 211 .ri_ntpc = NRD9122STRK, 212 .ri_ncyl = 77, 213 .ri_nblocks = 1232 214 }, 215 216 [RD7912P] = { 217 .ri_hwid = RD7912PID, 218 .ri_desc = "7912P", 219 .ri_nbpt = NRD7912PBPT, 220 .ri_ntpc = NRD7912PTRK, 221 .ri_ncyl = 572, 222 .ri_nblocks = 128128 223 }, 224 225 [RD7914P] = { 226 .ri_hwid = RD7914PID, 227 .ri_desc = "7914P", 228 .ri_nbpt = NRD7914PBPT, 229 .ri_ntpc = NRD7914PTRK, 230 .ri_ncyl = 1152, 231 .ri_nblocks = 258048 232 }, 233 234 [RD7958A] = { 235 .ri_hwid = RD7958AID, 236 .ri_desc = "7958A", 237 .ri_nbpt = NRD7958ABPT, 238 .ri_ntpc = NRD7958ATRK, 239 .ri_ncyl = 1013, 240 .ri_nblocks = 255276 241 }, 242 243 [RD7957A] = { 244 .ri_hwid = RD7957AID, 245 .ri_desc = "7957A", 246 .ri_nbpt = NRD7957ABPT, 247 .ri_ntpc = NRD7957ATRK, 248 .ri_ncyl = 1036, 249 .ri_nblocks = 159544 250 }, 251 252 [RD7933H] = { 253 .ri_hwid = RD7933HID, 254 .ri_desc = "7933H", 255 .ri_nbpt = NRD7933HBPT, 256 .ri_ntpc = NRD7933HTRK, 257 .ri_ncyl = 1321, 258 .ri_nblocks = 789958 259 }, 260 261 [RD9134L] = { 262 .ri_hwid = RD9134LID, 263 .ri_desc = "9134L", 264 .ri_nbpt = NRD9134LBPT, 265 .ri_ntpc = NRD9134LTRK, 266 .ri_ncyl = 973, 267 .ri_nblocks = 77840 268 }, 269 270 [RD7936H] = { 271 .ri_hwid = RD7936HID, 272 .ri_desc = "7936H", 273 .ri_nbpt = NRD7936HBPT, 274 .ri_ntpc = NRD7936HTRK, 275 .ri_ncyl = 698, 276 .ri_nblocks = 600978 277 }, 278 279 [RD7937H] = { 280 .ri_hwid = RD7937HID, 281 .ri_desc = "7937H", 282 .ri_nbpt = NRD7937HBPT, 283 .ri_ntpc = NRD7937HTRK, 284 .ri_ncyl = 698, 285 .ri_nblocks = 1116102 286 }, 287 288 [RD7914CT] = { 289 .ri_hwid = RD7914CTID, 290 .ri_desc = "7914CT", 291 .ri_nbpt = NRD7914PBPT, 292 .ri_ntpc = NRD7914PTRK, 293 .ri_ncyl = 1152, 294 .ri_nblocks = 258048 295 }, 296 297 [RD7946A] = { 298 .ri_hwid = RD7946AID, 299 .ri_desc = "7946A", 300 .ri_nbpt = NRD7945ABPT, 301 .ri_ntpc = NRD7945ATRK, 302 .ri_ncyl = 968, 303 .ri_nblocks = 108416 304 }, 305 306 [RD9122D] = { 307 .ri_hwid = RD9134LID, 308 .ri_desc = "9122D", 309 .ri_nbpt = NRD9122SBPT, 310 .ri_ntpc = NRD9122STRK, 311 .ri_ncyl = 77, 312 .ri_nblocks = 1232 313 }, 314 315 [RD7957B] = { 316 .ri_hwid = RD7957BID, 317 .ri_desc = "7957B", 318 .ri_nbpt = NRD7957BBPT, 319 .ri_ntpc = NRD7957BTRK, 320 .ri_ncyl = 1269, 321 .ri_nblocks = 159894 322 }, 323 324 [RD7958B] = { 325 .ri_hwid = RD7958BID, 326 .ri_desc = "7958B", 327 .ri_nbpt = NRD7958BBPT, 328 .ri_ntpc = NRD7958BTRK, 329 .ri_ncyl = 786, 330 .ri_nblocks = 297108 331 }, 332 333 [RD7959B] = { 334 .ri_hwid = RD7959BID, 335 .ri_desc = "7959B", 336 .ri_nbpt = NRD7959BBPT, 337 .ri_ntpc = NRD7959BTRK, 338 .ri_ncyl = 1572, 339 .ri_nblocks = 594216 340 }, 341 342 [RD2200A] = { 343 .ri_hwid = RD2200AID, 344 .ri_desc = "2200A", 345 .ri_nbpt = NRD2200ABPT, 346 .ri_ntpc = NRD2200ATRK, 347 .ri_ncyl = 1449, 348 .ri_nblocks = 654948 349 }, 350 351 [RD2203A] = { 352 .ri_hwid = RD2203AID, 353 .ri_desc = "2203A", 354 .ri_nbpt = NRD2203ABPT, 355 .ri_ntpc = NRD2203ATRK, 356 .ri_ncyl = 1449, 357 .ri_nblocks = 1309896 358 }, 359 360 [RD2202A] = { 361 .ri_hwid = RD2202AID, 362 .ri_desc = "2202A", 363 .ri_nbpt = NRD2202ABPT, 364 .ri_ntpc = NRD2202ATRK, 365 .ri_ncyl = 1449, 366 .ri_nblocks = 1309896 367 }, 368 369 [RD7908A] = { 370 .ri_hwid = RD7908AID, 371 .ri_desc = "7908A", 372 .ri_nbpt = NRD7908ABPT, 373 .ri_ntpc = NRD7908ATRK, 374 .ri_ncyl = 185, 375 .ri_nblocks = 32375 376 }, 377 378 [RD7911A] = { 379 .ri_hwid = RD7911AID, 380 .ri_desc = "7911A", 381 .ri_nbpt = NRD7911ABPT, 382 .ri_ntpc = NRD7911ATRK, 383 .ri_ncyl = 572, 384 .ri_nblocks = 54912 385 }, 386 387 [RD7941A] = { 388 .ri_hwid = RD7946AID, 389 .ri_desc = "7941A", 390 .ri_nbpt = NRD7941ABPT, 391 .ri_ntpc = NRD7941ATRK, 392 .ri_ncyl = 968, 393 .ri_nblocks = 46464 394 } 395 }; 396 static const int numrdidentinfo = __arraycount(rdidentinfo); 397 398 struct rdname2id { 399 const char *rn_name; 400 int rn_id; 401 }; 402 static const struct rdname2id rdname2id[] = { 403 { RD7945ANAME, RD7945A }, 404 { RD9134DNAME, RD9134D }, 405 { RD7912PNAME, RD7912P }, 406 { RD7914PNAME, RD7914P }, 407 { RD7958ANAME, RD7958A }, 408 { RD7957ANAME, RD7957A }, 409 { RD7933HNAME, RD7933H }, 410 { RD9134LNAME, RD9134L }, 411 { RD7936HNAME, RD7936H }, 412 { RD7937HNAME, RD7937H }, 413 { RD7914CTNAME, RD7914CT }, 414 { RD9122DNAME, RD9122D }, 415 { RD7957BNAME, RD7957B }, 416 { RD7958BNAME, RD7958B }, 417 { RD7959BNAME, RD7959B }, 418 { RD2200ANAME, RD2200A }, 419 { RD2203ANAME, RD2203A }, 420 { RD2202ANAME, RD2202A }, 421 { RD7908ANAME, RD7908A }, 422 { RD7911ANAME, RD7911A }, 423 { RD7941ANAME, RD7941A } 424 }; 425 static const int numrdname2id = __arraycount(rdname2id); 426 427 static int rdident(device_t, struct rd_softc *, 428 struct hpibbus_attach_args *); 429 static void rdreset(struct rd_softc *); 430 static void rdustart(struct rd_softc *); 431 static int rdgetinfo(dev_t); 432 static void rdrestart(void *); 433 static struct buf *rdfinish(struct rd_softc *, struct buf *); 434 435 static void rdgetdefaultlabel(struct rd_softc *, struct disklabel *); 436 static void rdrestart(void *); 437 static void rdustart(struct rd_softc *); 438 static struct buf *rdfinish(struct rd_softc *, struct buf *); 439 static void rdstart(void *); 440 static void rdgo(void *); 441 static void rdintr(void *); 442 static int rdstatus(struct rd_softc *); 443 static int rderror(int); 444 #ifdef DEBUG 445 static void rdprinterr(const char *, short, const char **); 446 #endif 447 448 static int rdmatch(device_t, cfdata_t, void *); 449 static void rdattach(device_t, device_t, void *); 450 451 CFATTACH_DECL_NEW(rd, sizeof(struct rd_softc), 452 rdmatch, rdattach, NULL, NULL); 453 454 static dev_type_open(rdopen); 455 static dev_type_close(rdclose); 456 static dev_type_read(rdread); 457 static dev_type_write(rdwrite); 458 static dev_type_ioctl(rdioctl); 459 static dev_type_strategy(rdstrategy); 460 static dev_type_dump(rddump); 461 static dev_type_size(rdsize); 462 463 const struct bdevsw rd_bdevsw = { 464 .d_open = rdopen, 465 .d_close = rdclose, 466 .d_strategy = rdstrategy, 467 .d_ioctl = rdioctl, 468 .d_dump = rddump, 469 .d_psize = rdsize, 470 .d_discard = nodiscard, 471 .d_flag = D_DISK 472 }; 473 474 const struct cdevsw rd_cdevsw = { 475 .d_open = rdopen, 476 .d_close = rdclose, 477 .d_read = rdread, 478 .d_write = rdwrite, 479 .d_ioctl = rdioctl, 480 .d_stop = nostop, 481 .d_tty = notty, 482 .d_poll = nopoll, 483 .d_mmap = nommap, 484 .d_kqfilter = nokqfilter, 485 .d_discard = nodiscard, 486 .d_flag = D_DISK 487 }; 488 489 static int 490 rdmatch(device_t parent, cfdata_t cf, void *aux) 491 { 492 struct hpibbus_attach_args *ha = aux; 493 struct rd_clearcmd ccmd; 494 int ctlr, slave, punit; 495 int rv; 496 uint8_t stat; 497 498 rv = rdident(parent, NULL, ha); 499 500 if (rv == 0) 501 return 0; 502 503 /* 504 * The supported device ID is probed. 505 * Check if the specified physical unit is actually supported 506 * by brandnew HP-IB emulator devices like HPDisk and HPDrive etc. 507 */ 508 ctlr = device_unit(parent); 509 slave = ha->ha_slave; 510 punit = ha->ha_punit; 511 if (punit == 0) 512 return 1; 513 514 ccmd.c_unit = C_SUNIT(punit); 515 ccmd.c_cmd = C_CLEAR; 516 hpibsend(ctlr, slave, C_TCMD, &ccmd, sizeof(ccmd)); 517 hpibswait(ctlr, slave); 518 hpibrecv(ctlr, slave, C_QSTAT, &stat, sizeof(stat)); 519 if (stat != 0) 520 return 0; 521 522 return 1; 523 } 524 525 static void 526 rdattach(device_t parent, device_t self, void *aux) 527 { 528 struct rd_softc *sc = device_private(self); 529 struct hpibbus_attach_args *ha = aux; 530 int id; 531 char pbuf[9]; 532 533 sc->sc_dev = self; 534 bufq_alloc(&sc->sc_tab, "disksort", BUFQ_SORT_RAWBLOCK); 535 536 if (rdident(parent, sc, ha) == 0) { 537 aprint_error(": didn't respond to describe command!\n"); 538 return; 539 } 540 541 /* 542 * XXX We use DEV_BSIZE instead of the sector size value pulled 543 * XXX off the driver because all of this code assumes 512 byte 544 * XXX blocks. ICK! 545 */ 546 id = sc->sc_type; 547 aprint_normal(": %s\n", rdidentinfo[id].ri_desc); 548 format_bytes(pbuf, sizeof(pbuf), 549 rdidentinfo[id].ri_nblocks * DEV_BSIZE); 550 aprint_normal_dev(sc->sc_dev, "%s, %d cyl, %d head, %d sec," 551 " %d bytes/block x %u blocks\n", 552 pbuf, rdidentinfo[id].ri_ncyl, rdidentinfo[id].ri_ntpc, 553 rdidentinfo[id].ri_nbpt, 554 DEV_BSIZE, rdidentinfo[id].ri_nblocks); 555 556 /* 557 * Initialize and attach the disk structure. 558 */ 559 memset(&sc->sc_dkdev, 0, sizeof(sc->sc_dkdev)); 560 disk_init(&sc->sc_dkdev, device_xname(sc->sc_dev), NULL); 561 disk_attach(&sc->sc_dkdev); 562 563 sc->sc_slave = ha->ha_slave; 564 sc->sc_punit = ha->ha_punit; 565 566 callout_init(&sc->sc_restart_ch, 0); 567 568 /* Initialize the hpib job queue entry */ 569 sc->sc_hq.hq_softc = sc; 570 sc->sc_hq.hq_slave = sc->sc_slave; 571 sc->sc_hq.hq_start = rdstart; 572 sc->sc_hq.hq_go = rdgo; 573 sc->sc_hq.hq_intr = rdintr; 574 575 sc->sc_flags = RDF_ALIVE; 576 #ifdef DEBUG 577 /* always report errors */ 578 if (rddebug & RDB_ERROR) 579 rderrthresh = 0; 580 #endif 581 /* 582 * attach the device into the random source list 583 */ 584 rnd_attach_source(&sc->rnd_source, device_xname(sc->sc_dev), 585 RND_TYPE_DISK, RND_FLAG_DEFAULT); 586 } 587 588 static int 589 rdident(device_t parent, struct rd_softc *sc, struct hpibbus_attach_args *ha) 590 { 591 struct cs80_describe desc; 592 u_char stat, cmd[3]; 593 char name[7]; 594 int i, id, n, ctlr, slave; 595 596 ctlr = device_unit(parent); 597 slave = ha->ha_slave; 598 599 /* Verify that we have a CS80 device. */ 600 if ((ha->ha_id & 0x200) == 0) 601 return 0; 602 603 /* Is it one of the disks we support? */ 604 for (id = 0; id < numrdidentinfo; id++) 605 if (ha->ha_id == rdidentinfo[id].ri_hwid) 606 break; 607 if (id == numrdidentinfo) 608 return 0; 609 610 /* 611 * If we're just probing for the device, that's all the 612 * work we need to do. 613 */ 614 if (sc == NULL) 615 return 1; 616 617 /* 618 * Reset device and collect description 619 */ 620 rdreset(sc); 621 cmd[0] = C_SUNIT(ha->ha_punit); 622 cmd[1] = C_SVOL(0); 623 cmd[2] = C_DESC; 624 hpibsend(ctlr, slave, C_CMD, cmd, sizeof(cmd)); 625 hpibrecv(ctlr, slave, C_EXEC, &desc, sizeof(desc)); 626 hpibrecv(ctlr, slave, C_QSTAT, &stat, sizeof(stat)); 627 memset(name, 0, sizeof(name)); 628 if (stat == 0) { 629 n = desc.d_name; 630 for (i = 5; i >= 0; i--) { 631 name[i] = (n & 0xf) + '0'; 632 n >>= 4; 633 } 634 } 635 636 #ifdef DEBUG 637 if (rddebug & RDB_IDENT) { 638 aprint_normal("\n"); 639 aprint_normal_dev(sc->sc_dev, "id: 0x%04x, name: %x ('%s')\n", 640 ha->ha_id, desc.d_name, name); 641 aprint_normal(" iuw %x, maxxfr %d, ctype %d\n", 642 desc.d_iuw, desc.d_cmaxxfr, desc.d_ctype); 643 aprint_normal(" utype %d, bps %d, blkbuf %d, burst %d," 644 " blktime %d\n", 645 desc.d_utype, desc.d_sectsize, 646 desc.d_blkbuf, desc.d_burstsize, desc.d_blocktime); 647 aprint_normal(" avxfr %d, ort %d, atp %d, maxint %d, fv %x" 648 ", rv %x\n", 649 desc.d_uavexfr, desc.d_retry, desc.d_access, 650 desc.d_maxint, desc.d_fvbyte, desc.d_rvbyte); 651 aprint_normal(" maxcyl/head/sect %d/%d/%d, maxvsect %d," 652 " inter %d\n", 653 desc.d_maxcyl, desc.d_maxhead, desc.d_maxsect, 654 desc.d_maxvsectl, desc.d_interleave); 655 aprint_normal("%s", device_xname(sc->sc_dev)); 656 } 657 #endif 658 659 /* 660 * Take care of a couple of anomolies: 661 * 1. 7945A, 7946A, and 7941A all return same HW id 662 * 2. 9122S and 9134D both return same HW id 663 * 3. 9122D and 9134L both return same HW id 664 */ 665 switch (ha->ha_id) { 666 case RD7946AID: 667 if (memcmp(name, RD7945ANAME, RDNAMELEN) == 0) 668 id = RD7945A; 669 else if (memcmp(name, RD7941ANAME, RDNAMELEN) == 0) 670 id = RD7941A; 671 else 672 id = RD7946A; 673 break; 674 675 case RD9134LID: 676 if (memcmp(name, RD9134LNAME, RDNAMELEN) == 0) 677 id = RD9134L; 678 else 679 id = RD9122D; 680 break; 681 682 case RD9134DID: 683 if (memcmp(name, RD9122SNAME, RDNAMELEN) == 0) 684 id = RD9122S; 685 else 686 id = RD9134D; 687 break; 688 } 689 690 /* 691 * HPDisk can have independent physical units that are not 692 * corresponding to device IDs. 693 * To handle this, we have to check names in the drive description 694 * data for punit >= 1. 695 */ 696 if (ha->ha_punit >= 1) { 697 for (i = 0; i < numrdname2id; i++) { 698 if (memcmp(name, rdname2id[i].rn_name, 699 RDNAMELEN) == 0) { 700 id = rdname2id[i].rn_id; 701 break; 702 } 703 } 704 } 705 706 sc->sc_type = id; 707 708 return 1; 709 } 710 711 static void 712 rdreset(struct rd_softc *sc) 713 { 714 int ctlr = device_unit(device_parent(sc->sc_dev)); 715 int slave = sc->sc_slave; 716 u_char stat; 717 718 sc->sc_clear.c_unit = C_SUNIT(sc->sc_punit); 719 sc->sc_clear.c_cmd = C_CLEAR; 720 hpibsend(ctlr, slave, C_TCMD, &sc->sc_clear, sizeof(sc->sc_clear)); 721 hpibswait(ctlr, slave); 722 hpibrecv(ctlr, slave, C_QSTAT, &stat, sizeof(stat)); 723 724 sc->sc_src.c_unit = C_SUNIT(RDCTLR); 725 sc->sc_src.c_nop = C_NOP; 726 sc->sc_src.c_cmd = C_SREL; 727 sc->sc_src.c_param = C_REL; 728 hpibsend(ctlr, slave, C_CMD, &sc->sc_src, sizeof(sc->sc_src)); 729 hpibswait(ctlr, slave); 730 hpibrecv(ctlr, slave, C_QSTAT, &stat, sizeof(stat)); 731 732 sc->sc_ssmc.c_unit = C_SUNIT(sc->sc_punit); 733 sc->sc_ssmc.c_cmd = C_SSM; 734 sc->sc_ssmc.c_refm = REF_MASK; 735 sc->sc_ssmc.c_fefm = FEF_MASK; 736 sc->sc_ssmc.c_aefm = AEF_MASK; 737 sc->sc_ssmc.c_iefm = IEF_MASK; 738 hpibsend(ctlr, slave, C_CMD, &sc->sc_ssmc, sizeof(sc->sc_ssmc)); 739 hpibswait(ctlr, slave); 740 hpibrecv(ctlr, slave, C_QSTAT, &stat, sizeof(stat)); 741 #ifdef DEBUG 742 sc->sc_stats.rdresets++; 743 #endif 744 } 745 746 /* 747 * Read or construct a disklabel 748 */ 749 static int 750 rdgetinfo(dev_t dev) 751 { 752 struct rd_softc *sc = device_lookup_private(&rd_cd, rdunit(dev)); 753 struct disklabel *lp = sc->sc_dkdev.dk_label; 754 struct partition *pi; 755 const char *msg; 756 757 /* 758 * Set some default values to use while reading the label 759 * or to use if there isn't a label. 760 */ 761 memset((void *)lp, 0, sizeof *lp); 762 rdgetdefaultlabel(sc, lp); 763 764 /* 765 * Now try to read the disklabel 766 */ 767 msg = readdisklabel(rdlabdev(dev), rdstrategy, lp, NULL); 768 if (msg == NULL) 769 return 0; 770 771 pi = lp->d_partitions; 772 printf("%s: WARNING: %s\n", device_xname(sc->sc_dev), msg); 773 774 pi[2].p_size = rdidentinfo[sc->sc_type].ri_nblocks; 775 /* XXX reset other info since readdisklabel screws with it */ 776 lp->d_npartitions = 3; 777 pi[0].p_size = 0; 778 779 return 0; 780 } 781 782 static int 783 rdopen(dev_t dev, int flags, int mode, struct lwp *l) 784 { 785 struct rd_softc *sc; 786 int error, mask, part; 787 788 sc = device_lookup_private(&rd_cd, rdunit(dev)); 789 if (sc == NULL) 790 return ENXIO; 791 792 if ((sc->sc_flags & RDF_ALIVE) == 0) 793 return ENXIO; 794 795 /* 796 * Wait for any pending opens/closes to complete 797 */ 798 while (sc->sc_flags & (RDF_OPENING|RDF_CLOSING)) 799 (void) tsleep(sc, PRIBIO, "rdopen", 0); 800 801 /* 802 * On first open, get label and partition info. 803 * We may block reading the label, so be careful 804 * to stop any other opens. 805 */ 806 if (sc->sc_dkdev.dk_openmask == 0) { 807 sc->sc_flags |= RDF_OPENING; 808 error = rdgetinfo(dev); 809 sc->sc_flags &= ~RDF_OPENING; 810 wakeup((void *)sc); 811 if (error) 812 return error; 813 } 814 815 part = rdpart(dev); 816 mask = 1 << part; 817 818 /* Check that the partition exists. */ 819 if (part != RAW_PART && 820 (part > sc->sc_dkdev.dk_label->d_npartitions || 821 sc->sc_dkdev.dk_label->d_partitions[part].p_fstype == FS_UNUSED)) 822 return ENXIO; 823 824 /* Ensure only one open at a time. */ 825 switch (mode) { 826 case S_IFCHR: 827 sc->sc_dkdev.dk_copenmask |= mask; 828 break; 829 case S_IFBLK: 830 sc->sc_dkdev.dk_bopenmask |= mask; 831 break; 832 } 833 sc->sc_dkdev.dk_openmask = 834 sc->sc_dkdev.dk_copenmask | sc->sc_dkdev.dk_bopenmask; 835 836 return 0; 837 } 838 839 static int 840 rdclose(dev_t dev, int flag, int mode, struct lwp *l) 841 { 842 struct rd_softc *sc = device_lookup_private(&rd_cd, rdunit(dev)); 843 struct disk *dk = &sc->sc_dkdev; 844 int mask, s; 845 846 mask = 1 << rdpart(dev); 847 if (mode == S_IFCHR) 848 dk->dk_copenmask &= ~mask; 849 else 850 dk->dk_bopenmask &= ~mask; 851 dk->dk_openmask = dk->dk_copenmask | dk->dk_bopenmask; 852 /* 853 * On last close, we wait for all activity to cease since 854 * the label/partition info will become invalid. Since we 855 * might sleep, we must block any opens while we are here. 856 * Note we don't have to about other closes since we know 857 * we are the last one. 858 */ 859 if (dk->dk_openmask == 0) { 860 sc->sc_flags |= RDF_CLOSING; 861 s = splbio(); 862 while (sc->sc_active) { 863 sc->sc_flags |= RDF_WANTED; 864 (void) tsleep(&sc->sc_tab, PRIBIO, "rdclose", 0); 865 } 866 splx(s); 867 sc->sc_flags &= ~(RDF_CLOSING|RDF_WLABEL); 868 wakeup((void *)sc); 869 } 870 return 0; 871 } 872 873 static void 874 rdstrategy(struct buf *bp) 875 { 876 struct rd_softc *sc = device_lookup_private(&rd_cd, rdunit(bp->b_dev)); 877 struct partition *pinfo; 878 daddr_t bn; 879 int sz, s; 880 int offset; 881 882 #ifdef DEBUG 883 if (rddebug & RDB_FOLLOW) 884 printf("rdstrategy(%p): dev %"PRIx64", bn %llx, bcount %x, %c\n", 885 bp, bp->b_dev, bp->b_blkno, bp->b_bcount, 886 (bp->b_flags & B_READ) ? 'R' : 'W'); 887 #endif 888 bn = bp->b_blkno; 889 sz = howmany(bp->b_bcount, DEV_BSIZE); 890 pinfo = &sc->sc_dkdev.dk_label->d_partitions[rdpart(bp->b_dev)]; 891 892 /* Don't perform partition translation on RAW_PART. */ 893 offset = (rdpart(bp->b_dev) == RAW_PART) ? 0 : pinfo->p_offset; 894 895 if (rdpart(bp->b_dev) != RAW_PART) { 896 /* 897 * XXX This block of code belongs in 898 * XXX bounds_check_with_label() 899 */ 900 901 if (bn < 0 || bn + sz > pinfo->p_size) { 902 sz = pinfo->p_size - bn; 903 if (sz == 0) { 904 bp->b_resid = bp->b_bcount; 905 goto done; 906 } 907 if (sz < 0) { 908 bp->b_error = EINVAL; 909 goto done; 910 } 911 bp->b_bcount = dbtob(sz); 912 } 913 /* 914 * Check for write to write protected label 915 */ 916 if (bn + offset <= LABELSECTOR && 917 #if LABELSECTOR != 0 918 bn + offset + sz > LABELSECTOR && 919 #endif 920 !(bp->b_flags & B_READ) && !(sc->sc_flags & RDF_WLABEL)) { 921 bp->b_error = EROFS; 922 goto done; 923 } 924 } 925 bp->b_rawblkno = bn + offset; 926 s = splbio(); 927 bufq_put(sc->sc_tab, bp); 928 if (sc->sc_active == 0) { 929 sc->sc_active = 1; 930 rdustart(sc); 931 } 932 splx(s); 933 return; 934 done: 935 biodone(bp); 936 } 937 938 /* 939 * Called from timeout() when handling maintenance releases 940 */ 941 static void 942 rdrestart(void *arg) 943 { 944 int s = splbio(); 945 rdustart((struct rd_softc *)arg); 946 splx(s); 947 } 948 949 static void 950 rdustart(struct rd_softc *sc) 951 { 952 struct buf *bp; 953 954 bp = bufq_peek(sc->sc_tab); 955 sc->sc_addr = bp->b_data; 956 sc->sc_resid = bp->b_bcount; 957 if (hpibreq(device_parent(sc->sc_dev), &sc->sc_hq)) 958 rdstart(sc); 959 } 960 961 static struct buf * 962 rdfinish(struct rd_softc *sc, struct buf *bp) 963 { 964 965 sc->sc_errcnt = 0; 966 (void)bufq_get(sc->sc_tab); 967 bp->b_resid = 0; 968 biodone(bp); 969 hpibfree(device_parent(sc->sc_dev), &sc->sc_hq); 970 if ((bp = bufq_peek(sc->sc_tab)) != NULL) 971 return bp; 972 sc->sc_active = 0; 973 if (sc->sc_flags & RDF_WANTED) { 974 sc->sc_flags &= ~RDF_WANTED; 975 wakeup((void *)&sc->sc_tab); 976 } 977 return NULL; 978 } 979 980 static void 981 rdstart(void *arg) 982 { 983 struct rd_softc *sc = arg; 984 struct buf *bp = bufq_peek(sc->sc_tab); 985 int ctlr, slave; 986 987 ctlr = device_unit(device_parent(sc->sc_dev)); 988 slave = sc->sc_slave; 989 990 again: 991 #ifdef DEBUG 992 if (rddebug & RDB_FOLLOW) 993 printf("rdstart(%s): bp %p, %c\n", device_xname(sc->sc_dev), bp, 994 (bp->b_flags & B_READ) ? 'R' : 'W'); 995 #endif 996 sc->sc_flags |= RDF_SEEK; 997 sc->sc_ioc.c_unit = C_SUNIT(sc->sc_punit); 998 sc->sc_ioc.c_volume = C_SVOL(0); 999 sc->sc_ioc.c_saddr = C_SADDR; 1000 sc->sc_ioc.c_hiaddr = 0; 1001 sc->sc_ioc.c_addr = RDBTOS(bp->b_rawblkno); 1002 sc->sc_ioc.c_nop2 = C_NOP; 1003 sc->sc_ioc.c_slen = C_SLEN; 1004 sc->sc_ioc.c_len = sc->sc_resid; 1005 sc->sc_ioc.c_cmd = bp->b_flags & B_READ ? C_READ : C_WRITE; 1006 #ifdef DEBUG 1007 if (rddebug & RDB_IO) 1008 printf("rdstart: hpibsend(%x, %x, %x, %p, %x)\n", 1009 ctlr, slave, C_CMD, 1010 &sc->sc_ioc.c_unit, sizeof(sc->sc_ioc) - 2); 1011 #endif 1012 if (hpibsend(ctlr, slave, C_CMD, &sc->sc_ioc.c_unit, 1013 sizeof(sc->sc_ioc) - 2) == sizeof(sc->sc_ioc) - 2) { 1014 1015 /* Instrumentation. */ 1016 disk_busy(&sc->sc_dkdev); 1017 iostat_seek(sc->sc_dkdev.dk_stats); 1018 1019 #ifdef DEBUG 1020 if (rddebug & RDB_IO) 1021 printf("rdstart: hpibawait(%x)\n", ctlr); 1022 #endif 1023 hpibawait(ctlr); 1024 return; 1025 } 1026 /* 1027 * Experience has shown that the hpibwait in this hpibsend will 1028 * occasionally timeout. It appears to occur mostly on old 7914 1029 * drives with full maintenance tracks. We should probably 1030 * integrate this with the backoff code in rderror. 1031 */ 1032 #ifdef DEBUG 1033 if (rddebug & RDB_ERROR) 1034 printf("%s: rdstart: cmd %x adr %lx blk %lld len %d ecnt %d\n", 1035 device_xname(sc->sc_dev), 1036 sc->sc_ioc.c_cmd, sc->sc_ioc.c_addr, 1037 bp->b_blkno, sc->sc_resid, sc->sc_errcnt); 1038 sc->sc_stats.rdretries++; 1039 #endif 1040 sc->sc_flags &= ~RDF_SEEK; 1041 rdreset(sc); 1042 if (sc->sc_errcnt++ < RDRETRY) 1043 goto again; 1044 printf("%s: rdstart err: cmd 0x%x sect %ld blk %" PRId64 " len %d\n", 1045 device_xname(sc->sc_dev), sc->sc_ioc.c_cmd, sc->sc_ioc.c_addr, 1046 bp->b_blkno, sc->sc_resid); 1047 bp->b_error = EIO; 1048 bp = rdfinish(sc, bp); 1049 if (bp) { 1050 sc->sc_addr = bp->b_data; 1051 sc->sc_resid = bp->b_bcount; 1052 if (hpibreq(device_parent(sc->sc_dev), &sc->sc_hq)) 1053 goto again; 1054 } 1055 } 1056 1057 static void 1058 rdgo(void *arg) 1059 { 1060 struct rd_softc *sc = arg; 1061 struct buf *bp = bufq_peek(sc->sc_tab); 1062 int rw, ctlr, slave; 1063 1064 ctlr = device_unit(device_parent(sc->sc_dev)); 1065 slave = sc->sc_slave; 1066 1067 rw = bp->b_flags & B_READ; 1068 1069 /* Instrumentation. */ 1070 disk_busy(&sc->sc_dkdev); 1071 1072 #ifdef USELEDS 1073 ledcontrol(0, 0, LED_DISK); 1074 #endif 1075 hpibgo(ctlr, slave, C_EXEC, sc->sc_addr, sc->sc_resid, rw, rw != 0); 1076 } 1077 1078 /* ARGSUSED */ 1079 static void 1080 rdintr(void *arg) 1081 { 1082 struct rd_softc *sc = arg; 1083 int unit = device_unit(sc->sc_dev); 1084 struct buf *bp = bufq_peek(sc->sc_tab); 1085 u_char stat = 13; /* in case hpibrecv fails */ 1086 int rv, restart, ctlr, slave; 1087 1088 ctlr = device_unit(device_parent(sc->sc_dev)); 1089 slave = sc->sc_slave; 1090 1091 #ifdef DEBUG 1092 if (rddebug & RDB_FOLLOW) 1093 printf("rdintr(%d): bp %p, %c, flags %x\n", unit, bp, 1094 (bp->b_flags & B_READ) ? 'R' : 'W', sc->sc_flags); 1095 if (bp == NULL) { 1096 printf("%s: bp == NULL\n", device_xname(sc->sc_dev)); 1097 return; 1098 } 1099 #endif 1100 disk_unbusy(&sc->sc_dkdev, (bp->b_bcount - bp->b_resid), 1101 (bp->b_flags & B_READ)); 1102 1103 if (sc->sc_flags & RDF_SEEK) { 1104 sc->sc_flags &= ~RDF_SEEK; 1105 if (hpibustart(ctlr)) 1106 rdgo(sc); 1107 return; 1108 } 1109 if ((sc->sc_flags & RDF_SWAIT) == 0) { 1110 #ifdef DEBUG 1111 sc->sc_stats.rdpolltries++; 1112 #endif 1113 if (hpibpptest(ctlr, slave) == 0) { 1114 #ifdef DEBUG 1115 sc->sc_stats.rdpollwaits++; 1116 #endif 1117 1118 /* Instrumentation. */ 1119 disk_busy(&sc->sc_dkdev); 1120 sc->sc_flags |= RDF_SWAIT; 1121 hpibawait(ctlr); 1122 return; 1123 } 1124 } else 1125 sc->sc_flags &= ~RDF_SWAIT; 1126 rv = hpibrecv(ctlr, slave, C_QSTAT, &stat, 1); 1127 if (rv != 1 || stat) { 1128 #ifdef DEBUG 1129 if (rddebug & RDB_ERROR) 1130 printf("rdintr: recv failed or bad stat %d\n", stat); 1131 #endif 1132 restart = rderror(unit); 1133 #ifdef DEBUG 1134 sc->sc_stats.rdretries++; 1135 #endif 1136 if (sc->sc_errcnt++ < RDRETRY) { 1137 if (restart) 1138 rdstart(sc); 1139 return; 1140 } 1141 bp->b_error = EIO; 1142 } 1143 if (rdfinish(sc, bp)) 1144 rdustart(sc); 1145 rnd_add_uint32(&sc->rnd_source, bp->b_blkno); 1146 } 1147 1148 static int 1149 rdstatus(struct rd_softc *sc) 1150 { 1151 int c, s; 1152 u_char stat; 1153 int rv; 1154 1155 c = device_unit(device_parent(sc->sc_dev)); 1156 s = sc->sc_slave; 1157 sc->sc_rsc.c_unit = C_SUNIT(sc->sc_punit); 1158 sc->sc_rsc.c_sram = C_SRAM; 1159 sc->sc_rsc.c_ram = C_RAM; 1160 sc->sc_rsc.c_cmd = C_STATUS; 1161 memset((void *)&sc->sc_stat, 0, sizeof(sc->sc_stat)); 1162 rv = hpibsend(c, s, C_CMD, &sc->sc_rsc, sizeof(sc->sc_rsc)); 1163 if (rv != sizeof(sc->sc_rsc)) { 1164 #ifdef DEBUG 1165 if (rddebug & RDB_STATUS) 1166 printf("rdstatus: send C_CMD failed %d != %d\n", 1167 rv, sizeof(sc->sc_rsc)); 1168 #endif 1169 return 1; 1170 } 1171 rv = hpibrecv(c, s, C_EXEC, &sc->sc_stat, sizeof(sc->sc_stat)); 1172 if (rv != sizeof(sc->sc_stat)) { 1173 #ifdef DEBUG 1174 if (rddebug & RDB_STATUS) 1175 printf("rdstatus: send C_EXEC failed %d != %d\n", 1176 rv, sizeof(sc->sc_stat)); 1177 #endif 1178 return 1; 1179 } 1180 rv = hpibrecv(c, s, C_QSTAT, &stat, 1); 1181 if (rv != 1 || stat) { 1182 #ifdef DEBUG 1183 if (rddebug & RDB_STATUS) 1184 printf("rdstatus: recv failed %d or bad stat %d\n", 1185 rv, stat); 1186 #endif 1187 return 1; 1188 } 1189 return 0; 1190 } 1191 1192 /* 1193 * Deal with errors. 1194 * Returns 1 if request should be restarted, 1195 * 0 if we should just quietly give up. 1196 */ 1197 static int 1198 rderror(int unit) 1199 { 1200 struct rd_softc *sc = device_lookup_private(&rd_cd,unit); 1201 struct rd_stat *sp; 1202 struct buf *bp; 1203 daddr_t hwbn, pbn; 1204 char *hexstr(int, int); /* XXX */ 1205 1206 if (rdstatus(sc)) { 1207 #ifdef DEBUG 1208 printf("%s: couldn't get status\n", device_xname(sc->sc_dev)); 1209 #endif 1210 rdreset(sc); 1211 return 1; 1212 } 1213 sp = &sc->sc_stat; 1214 if (sp->c_fef & FEF_REXMT) 1215 return 1; 1216 if (sp->c_fef & FEF_PF) { 1217 rdreset(sc); 1218 return 1; 1219 } 1220 /* 1221 * Unit requests release for internal maintenance. 1222 * We just delay awhile and try again later. Use expontially 1223 * increasing backoff ala ethernet drivers since we don't really 1224 * know how long the maintenance will take. With RDWAITC and 1225 * RDRETRY as defined, the range is 1 to 32 seconds. 1226 */ 1227 if (sp->c_fef & FEF_IMR) { 1228 extern int hz; 1229 int rdtimo = RDWAITC << sc->sc_errcnt; 1230 #ifdef DEBUG 1231 printf("%s: internal maintenance, %d second timeout\n", 1232 device_xname(sc->sc_dev), rdtimo); 1233 sc->sc_stats.rdtimeouts++; 1234 #endif 1235 hpibfree(device_parent(sc->sc_dev), &sc->sc_hq); 1236 callout_reset(&sc->sc_restart_ch, rdtimo * hz, rdrestart, sc); 1237 return 0; 1238 } 1239 /* 1240 * Only report error if we have reached the error reporting 1241 * threshhold. By default, this will only report after the 1242 * retry limit has been exceeded. 1243 */ 1244 if (sc->sc_errcnt < rderrthresh) 1245 return 1; 1246 1247 /* 1248 * First conjure up the block number at which the error occurred. 1249 * Note that not all errors report a block number, in that case 1250 * we just use b_blkno. 1251 */ 1252 bp = bufq_peek(sc->sc_tab); 1253 pbn = sc->sc_dkdev.dk_label->d_partitions[rdpart(bp->b_dev)].p_offset; 1254 if ((sp->c_fef & FEF_CU) || (sp->c_fef & FEF_DR) || 1255 (sp->c_ief & IEF_RRMASK)) { 1256 hwbn = RDBTOS(pbn + bp->b_blkno); 1257 pbn = bp->b_blkno; 1258 } else { 1259 hwbn = sp->c_blk; 1260 pbn = RDSTOB(hwbn) - pbn; 1261 } 1262 /* 1263 * Now output a generic message suitable for badsect. 1264 * Note that we don't use harderr cuz it just prints 1265 * out b_blkno which is just the beginning block number 1266 * of the transfer, not necessary where the error occurred. 1267 */ 1268 printf("%s%c: hard error sn%" PRId64 "\n", device_xname(sc->sc_dev), 1269 'a'+rdpart(bp->b_dev), pbn); 1270 /* 1271 * Now report the status as returned by the hardware with 1272 * attempt at interpretation (unless debugging). 1273 */ 1274 printf("%s %s error:", device_xname(sc->sc_dev), 1275 (bp->b_flags & B_READ) ? "read" : "write"); 1276 #ifdef DEBUG 1277 if (rddebug & RDB_ERROR) { 1278 /* status info */ 1279 printf("\n volume: %d, unit: %d\n", 1280 (sp->c_vu>>4)&0xF, sp->c_vu&0xF); 1281 rdprinterr("reject", sp->c_ref, err_reject); 1282 rdprinterr("fault", sp->c_fef, err_fault); 1283 rdprinterr("access", sp->c_aef, err_access); 1284 rdprinterr("info", sp->c_ief, err_info); 1285 printf(" block: %lld, P1-P10: ", hwbn); 1286 printf("0x%x", *(u_int *)&sp->c_raw[0]); 1287 printf("0x%x", *(u_int *)&sp->c_raw[4]); 1288 printf("0x%x\n", *(u_short *)&sp->c_raw[8]); 1289 /* command */ 1290 printf(" ioc: "); 1291 printf("0x%x", *(u_int *)&sc->sc_ioc.c_pad); 1292 printf("0x%x", *(u_short *)&sc->sc_ioc.c_hiaddr); 1293 printf("0x%x", *(u_int *)&sc->sc_ioc.c_addr); 1294 printf("0x%x", *(u_short *)&sc->sc_ioc.c_nop2); 1295 printf("0x%x", *(u_int *)&sc->sc_ioc.c_len); 1296 printf("0x%x\n", *(u_short *)&sc->sc_ioc.c_cmd); 1297 return 1; 1298 } 1299 #endif 1300 printf(" v%d u%d, R0x%x F0x%x A0x%x I0x%x\n", 1301 (sp->c_vu>>4)&0xF, sp->c_vu&0xF, 1302 sp->c_ref, sp->c_fef, sp->c_aef, sp->c_ief); 1303 printf("P1-P10: "); 1304 printf("0x%x", *(u_int *)&sp->c_raw[0]); 1305 printf("0x%x", *(u_int *)&sp->c_raw[4]); 1306 printf("0x%x\n", *(u_short *)&sp->c_raw[8]); 1307 return 1; 1308 } 1309 1310 static int 1311 rdread(dev_t dev, struct uio *uio, int flags) 1312 { 1313 1314 return physio(rdstrategy, NULL, dev, B_READ, minphys, uio); 1315 } 1316 1317 static int 1318 rdwrite(dev_t dev, struct uio *uio, int flags) 1319 { 1320 1321 return physio(rdstrategy, NULL, dev, B_WRITE, minphys, uio); 1322 } 1323 1324 static int 1325 rdioctl(dev_t dev, u_long cmd, void *data, int flag, struct lwp *l) 1326 { 1327 struct rd_softc *sc = device_lookup_private(&rd_cd, rdunit(dev)); 1328 struct disklabel *lp = sc->sc_dkdev.dk_label; 1329 int error, flags; 1330 1331 error = disk_ioctl(&sc->sc_dkdev, rdpart(dev), cmd, data, flag, l); 1332 if (error != EPASSTHROUGH) 1333 return error; 1334 1335 switch (cmd) { 1336 case DIOCWLABEL: 1337 if ((flag & FWRITE) == 0) 1338 return EBADF; 1339 if (*(int *)data) 1340 sc->sc_flags |= RDF_WLABEL; 1341 else 1342 sc->sc_flags &= ~RDF_WLABEL; 1343 return 0; 1344 1345 case DIOCSDINFO: 1346 if ((flag & FWRITE) == 0) 1347 return EBADF; 1348 return setdisklabel(lp, (struct disklabel *)data, 1349 (sc->sc_flags & RDF_WLABEL) ? 0 : sc->sc_dkdev.dk_openmask, 1350 NULL); 1351 1352 case DIOCWDINFO: 1353 if ((flag & FWRITE) == 0) 1354 return EBADF; 1355 error = setdisklabel(lp, (struct disklabel *)data, 1356 (sc->sc_flags & RDF_WLABEL) ? 0 : sc->sc_dkdev.dk_openmask, 1357 NULL); 1358 if (error) 1359 return error; 1360 flags = sc->sc_flags; 1361 sc->sc_flags = RDF_ALIVE | RDF_WLABEL; 1362 error = writedisklabel(rdlabdev(dev), rdstrategy, lp, NULL); 1363 sc->sc_flags = flags; 1364 return error; 1365 1366 case DIOCGDEFLABEL: 1367 rdgetdefaultlabel(sc, (struct disklabel *)data); 1368 return 0; 1369 } 1370 return EINVAL; 1371 } 1372 1373 static void 1374 rdgetdefaultlabel(struct rd_softc *sc, struct disklabel *lp) 1375 { 1376 int type = sc->sc_type; 1377 1378 memset((void *)lp, 0, sizeof(struct disklabel)); 1379 1380 lp->d_type = DKTYPE_HPIB; 1381 lp->d_secsize = DEV_BSIZE; 1382 lp->d_nsectors = rdidentinfo[type].ri_nbpt; 1383 lp->d_ntracks = rdidentinfo[type].ri_ntpc; 1384 lp->d_ncylinders = rdidentinfo[type].ri_ncyl; 1385 lp->d_secperunit = rdidentinfo[type].ri_nblocks; 1386 lp->d_secpercyl = lp->d_ntracks * lp->d_nsectors; 1387 1388 strlcpy(lp->d_typename, rdidentinfo[type].ri_desc, 1389 sizeof(lp->d_typename)); 1390 strlcpy(lp->d_packname, "fictitious", sizeof(lp->d_packname)); 1391 lp->d_rpm = 3000; 1392 lp->d_interleave = 1; 1393 lp->d_flags = 0; 1394 1395 lp->d_partitions[RAW_PART].p_offset = 0; 1396 lp->d_partitions[RAW_PART].p_size = 1397 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 1398 lp->d_partitions[RAW_PART].p_fstype = FS_UNUSED; 1399 lp->d_npartitions = RAW_PART + 1; 1400 1401 lp->d_magic = DISKMAGIC; 1402 lp->d_magic2 = DISKMAGIC; 1403 lp->d_checksum = dkcksum(lp); 1404 } 1405 1406 int 1407 rdsize(dev_t dev) 1408 { 1409 struct rd_softc *sc; 1410 int psize, didopen = 0; 1411 1412 sc = device_lookup_private(&rd_cd, rdunit(dev)); 1413 if (sc == NULL) 1414 return ENXIO; 1415 1416 if ((sc->sc_flags & RDF_ALIVE) == 0) 1417 return ENXIO; 1418 1419 /* 1420 * We get called very early on (via swapconf) 1421 * without the device being open so we may need 1422 * to handle it here. 1423 */ 1424 if (sc->sc_dkdev.dk_openmask == 0) { 1425 if (rdopen(dev, FREAD|FWRITE, S_IFBLK, NULL)) 1426 return -1; 1427 didopen = 1; 1428 } 1429 psize = sc->sc_dkdev.dk_label->d_partitions[rdpart(dev)].p_size * 1430 (sc->sc_dkdev.dk_label->d_secsize / DEV_BSIZE); 1431 if (didopen) 1432 (void)rdclose(dev, FREAD|FWRITE, S_IFBLK, NULL); 1433 return psize; 1434 } 1435 1436 #ifdef DEBUG 1437 static void 1438 rdprinterr(const char *str, short err, const char **tab) 1439 { 1440 int i; 1441 int printed; 1442 1443 if (err == 0) 1444 return; 1445 printf(" %s error %d field:", str, err); 1446 printed = 0; 1447 for (i = 0; i < 16; i++) 1448 if (err & (0x8000 >> i)) 1449 printf("%s%s", printed++ ? " + " : " ", tab[i]); 1450 printf("\n"); 1451 } 1452 #endif 1453 1454 static int rddoingadump; /* simple mutex */ 1455 1456 /* 1457 * Non-interrupt driven, non-DMA dump routine. 1458 */ 1459 static int 1460 rddump(dev_t dev, daddr_t blkno, void *va, size_t size) 1461 { 1462 int sectorsize; /* size of a disk sector */ 1463 int nsects; /* number of sectors in partition */ 1464 int sectoff; /* sector offset of partition */ 1465 int totwrt; /* total number of sectors left to write */ 1466 int nwrt; /* current number of sectors to write */ 1467 int part; 1468 int ctlr, slave; 1469 struct rd_softc *sc; 1470 struct disklabel *lp; 1471 char stat; 1472 1473 /* Check for recursive dump; if so, punt. */ 1474 if (rddoingadump) 1475 return EFAULT; 1476 rddoingadump = 1; 1477 1478 /* Decompose unit and partition. */ 1479 part = rdpart(dev); 1480 1481 /* Make sure dump device is ok. */ 1482 sc = device_lookup_private(&rd_cd, rdunit(dev)); 1483 if (sc == NULL) 1484 return ENXIO; 1485 1486 if ((sc->sc_flags & RDF_ALIVE) == 0) 1487 return ENXIO; 1488 1489 ctlr = device_unit(device_parent(sc->sc_dev)); 1490 slave = sc->sc_slave; 1491 1492 /* 1493 * Convert to disk sectors. Request must be a multiple of size. 1494 */ 1495 lp = sc->sc_dkdev.dk_label; 1496 sectorsize = lp->d_secsize; 1497 if ((size % sectorsize) != 0) 1498 return EFAULT; 1499 totwrt = size / sectorsize; 1500 blkno = dbtob(blkno) / sectorsize; /* blkno in DEV_BSIZE units */ 1501 1502 nsects = lp->d_partitions[part].p_size; 1503 sectoff = lp->d_partitions[part].p_offset; 1504 1505 /* Check transfer bounds against partition size. */ 1506 if ((blkno < 0) || (blkno + totwrt) > nsects) 1507 return EINVAL; 1508 1509 /* Offset block number to start of partition. */ 1510 blkno += sectoff; 1511 1512 while (totwrt > 0) { 1513 nwrt = totwrt; /* XXX */ 1514 #ifndef RD_DUMP_NOT_TRUSTED 1515 /* 1516 * Fill out and send HPIB command. 1517 */ 1518 sc->sc_ioc.c_unit = C_SUNIT(sc->sc_punit); 1519 sc->sc_ioc.c_volume = C_SVOL(0); 1520 sc->sc_ioc.c_saddr = C_SADDR; 1521 sc->sc_ioc.c_hiaddr = 0; 1522 sc->sc_ioc.c_addr = RDBTOS(blkno); 1523 sc->sc_ioc.c_nop2 = C_NOP; 1524 sc->sc_ioc.c_slen = C_SLEN; 1525 sc->sc_ioc.c_len = nwrt * sectorsize; 1526 sc->sc_ioc.c_cmd = C_WRITE; 1527 hpibsend(ctlr, slave, C_CMD, &sc->sc_ioc.c_unit, 1528 sizeof(sc->sc_ioc) - 2); 1529 if (hpibswait(ctlr, slave)) 1530 return EIO; 1531 1532 /* 1533 * Send the data. 1534 */ 1535 hpibsend(ctlr, slave, C_EXEC, va, nwrt * sectorsize); 1536 (void) hpibswait(ctlr, slave); 1537 hpibrecv(ctlr, slave, C_QSTAT, &stat, 1); 1538 if (stat) 1539 return EIO; 1540 #else /* RD_DUMP_NOT_TRUSTED */ 1541 /* Let's just talk about this first... */ 1542 printf("%s: dump addr %p, blk %d\n", device_xname(sc->sc_dev), 1543 va, blkno); 1544 delay(500 * 1000); /* half a second */ 1545 #endif /* RD_DUMP_NOT_TRUSTED */ 1546 1547 /* update block count */ 1548 totwrt -= nwrt; 1549 blkno += nwrt; 1550 va = (char *)va + sectorsize * nwrt; 1551 } 1552 rddoingadump = 0; 1553 return 0; 1554 } 1555
Indexes created Tue Sep 30 11:09:46 GMT 2025