rd.c revision 1.123
1 /* $NetBSD: rd.c,v 1.123 2022/12/03 06:08:18 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 1.123 2022/12/03 06:08:18 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 = NRD7945ACYL, 195 .ri_nblocks = NRD7945ABLK 196 }, 197 198 [RD9134D] = { 199 .ri_hwid = RD9134DID, 200 .ri_desc = "9134D", 201 .ri_nbpt = NRD9134DBPT, 202 .ri_ntpc = NRD9134DTRK, 203 .ri_ncyl = NRD9134DCYL, 204 .ri_nblocks = NRD9134DBLK 205 }, 206 207 [RD9122S] = { 208 .ri_hwid = RD9134LID, 209 .ri_desc = "9122S", 210 .ri_nbpt = NRD9122SBPT, 211 .ri_ntpc = NRD9122STRK, 212 .ri_ncyl = NRD9122SCYL, 213 .ri_nblocks = NRD9122SBLK 214 }, 215 216 [RD7912P] = { 217 .ri_hwid = RD7912PID, 218 .ri_desc = "7912P", 219 .ri_nbpt = NRD7912PBPT, 220 .ri_ntpc = NRD7912PTRK, 221 .ri_ncyl = NRD7912PCYL, 222 .ri_nblocks = NRD7912PBLK 223 }, 224 225 [RD7914P] = { 226 .ri_hwid = RD7914PID, 227 .ri_desc = "7914P", 228 .ri_nbpt = NRD7914PBPT, 229 .ri_ntpc = NRD7914PTRK, 230 .ri_ncyl = NRD7914PCYL, 231 .ri_nblocks = NRD7914PBLK 232 }, 233 234 [RD7958A] = { 235 .ri_hwid = RD7958AID, 236 .ri_desc = "7958A", 237 .ri_nbpt = NRD7958ABPT, 238 .ri_ntpc = NRD7958ATRK, 239 .ri_ncyl = NRD7958ACYL, 240 .ri_nblocks = NRD7958ABLK 241 }, 242 243 [RD7957A] = { 244 .ri_hwid = RD7957AID, 245 .ri_desc = "7957A", 246 .ri_nbpt = NRD7957ABPT, 247 .ri_ntpc = NRD7957ATRK, 248 .ri_ncyl = NRD7957ACYL, 249 .ri_nblocks = NRD7957ABLK 250 }, 251 252 [RD7933H] = { 253 .ri_hwid = RD7933HID, 254 .ri_desc = "7933H", 255 .ri_nbpt = NRD7933HBPT, 256 .ri_ntpc = NRD7933HTRK, 257 .ri_ncyl = NRD7933HCYL, 258 .ri_nblocks = NRD7933HBLK 259 }, 260 261 [RD9134L] = { 262 .ri_hwid = RD9134LID, 263 .ri_desc = "9134L", 264 .ri_nbpt = NRD9134LBPT, 265 .ri_ntpc = NRD9134LTRK, 266 .ri_ncyl = NRD9134LCYL, 267 .ri_nblocks = NRD9134LBLK 268 }, 269 270 [RD7936H] = { 271 .ri_hwid = RD7936HID, 272 .ri_desc = "7936H", 273 .ri_nbpt = NRD7936HBPT, 274 .ri_ntpc = NRD7936HTRK, 275 .ri_ncyl = NRD7936HCYL, 276 .ri_nblocks = NRD7936HBLK 277 }, 278 279 [RD7937H] = { 280 .ri_hwid = RD7937HID, 281 .ri_desc = "7937H", 282 .ri_nbpt = NRD7937HBPT, 283 .ri_ntpc = NRD7937HTRK, 284 .ri_ncyl = NRD7937HCYL, 285 .ri_nblocks = NRD7937HBLK 286 }, 287 288 [RD7914CT] = { 289 .ri_hwid = RD7914CTID, 290 .ri_desc = "7914CT", 291 .ri_nbpt = NRD7914PBPT, 292 .ri_ntpc = NRD7914PTRK, 293 .ri_ncyl = NRD7914PCYL, 294 .ri_nblocks = NRD7914PBLK 295 }, 296 297 [RD7946A] = { 298 .ri_hwid = RD7946AID, 299 .ri_desc = "7946A", 300 .ri_nbpt = NRD7945ABPT, 301 .ri_ntpc = NRD7945ATRK, 302 .ri_ncyl = NRD7945ACYL, 303 .ri_nblocks = NRD7945ABLK 304 }, 305 306 [RD9122D] = { 307 .ri_hwid = RD9134LID, 308 .ri_desc = "9122D", 309 .ri_nbpt = NRD9122SBPT, 310 .ri_ntpc = NRD9122STRK, 311 .ri_ncyl = NRD9122SCYL, 312 .ri_nblocks = NRD9122SBLK 313 }, 314 315 [RD7957B] = { 316 .ri_hwid = RD7957BID, 317 .ri_desc = "7957B", 318 .ri_nbpt = NRD7957BBPT, 319 .ri_ntpc = NRD7957BTRK, 320 .ri_ncyl = NRD7957BCYL, 321 .ri_nblocks = NRD7957BBLK 322 }, 323 324 [RD7958B] = { 325 .ri_hwid = RD7958BID, 326 .ri_desc = "7958B", 327 .ri_nbpt = NRD7958BBPT, 328 .ri_ntpc = NRD7958BTRK, 329 .ri_ncyl = NRD7958BCYL, 330 .ri_nblocks = NRD7958BBLK 331 }, 332 333 [RD7959B] = { 334 .ri_hwid = RD7959BID, 335 .ri_desc = "7959B", 336 .ri_nbpt = NRD7959BBPT, 337 .ri_ntpc = NRD7959BTRK, 338 .ri_ncyl = NRD7959BCYL, 339 .ri_nblocks = NRD7959BBLK 340 }, 341 342 [RD2200A] = { 343 .ri_hwid = RD2200AID, 344 .ri_desc = "2200A", 345 .ri_nbpt = NRD2200ABPT, 346 .ri_ntpc = NRD2200ATRK, 347 .ri_ncyl = NRD2200ACYL, 348 .ri_nblocks = NRD2200ABLK 349 }, 350 351 [RD2203A] = { 352 .ri_hwid = RD2203AID, 353 .ri_desc = "2203A", 354 .ri_nbpt = NRD2203ABPT, 355 .ri_ntpc = NRD2203ATRK, 356 .ri_ncyl = NRD2203ACYL, 357 .ri_nblocks = NRD2203ABLK 358 }, 359 360 [RD2202A] = { 361 .ri_hwid = RD2202AID, 362 .ri_desc = "2202A", 363 .ri_nbpt = NRD2202ABPT, 364 .ri_ntpc = NRD2202ATRK, 365 .ri_ncyl = NRD2202ACYL, 366 .ri_nblocks = NRD2202ABLK 367 }, 368 369 [RD7908A] = { 370 .ri_hwid = RD7908AID, 371 .ri_desc = "7908A", 372 .ri_nbpt = NRD7908ABPT, 373 .ri_ntpc = NRD7908ATRK, 374 .ri_ncyl = NRD7908ACYL, 375 .ri_nblocks = NRD7908ABLK 376 }, 377 378 [RD7911A] = { 379 .ri_hwid = RD7911AID, 380 .ri_desc = "7911A", 381 .ri_nbpt = NRD7911ABPT, 382 .ri_ntpc = NRD7911ATRK, 383 .ri_ncyl = NRD7911ACYL, 384 .ri_nblocks = NRD7911ABLK 385 }, 386 387 [RD7941A] = { 388 .ri_hwid = RD7946AID, 389 .ri_desc = "7941A", 390 .ri_nbpt = NRD7941ABPT, 391 .ri_ntpc = NRD7941ATRK, 392 .ri_ncyl = NRD7941ACYL, 393 .ri_nblocks = NRD7941ABLK 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 rdreset_unit(int, int, int); 431 static void rd_set_geom(struct rd_softc *); 432 static int rdgetinfo(dev_t); 433 434 static void rdgetdefaultlabel(struct rd_softc *, struct disklabel *); 435 static void rdrestart(void *); 436 static void rdustart(struct rd_softc *); 437 static struct buf *rdfinish(struct rd_softc *, struct buf *); 438 static void rdstart(void *); 439 static void rdgo(void *); 440 static void rdintr(void *); 441 static int rdstatus(struct rd_softc *); 442 static int rderror(int); 443 #ifdef DEBUG 444 static void rdprinterr(const char *, short, const char **); 445 #endif 446 447 static int rdmatch(device_t, cfdata_t, void *); 448 static void rdattach(device_t, device_t, void *); 449 450 CFATTACH_DECL_NEW(rd, sizeof(struct rd_softc), 451 rdmatch, rdattach, NULL, NULL); 452 453 static dev_type_open(rdopen); 454 static dev_type_close(rdclose); 455 static dev_type_read(rdread); 456 static dev_type_write(rdwrite); 457 static dev_type_ioctl(rdioctl); 458 static dev_type_strategy(rdstrategy); 459 static dev_type_dump(rddump); 460 static dev_type_size(rdsize); 461 462 const struct bdevsw rd_bdevsw = { 463 .d_open = rdopen, 464 .d_close = rdclose, 465 .d_strategy = rdstrategy, 466 .d_ioctl = rdioctl, 467 .d_dump = rddump, 468 .d_psize = rdsize, 469 .d_discard = nodiscard, 470 .d_flag = D_DISK 471 }; 472 473 const struct cdevsw rd_cdevsw = { 474 .d_open = rdopen, 475 .d_close = rdclose, 476 .d_read = rdread, 477 .d_write = rdwrite, 478 .d_ioctl = rdioctl, 479 .d_stop = nostop, 480 .d_tty = notty, 481 .d_poll = nopoll, 482 .d_mmap = nommap, 483 .d_kqfilter = nokqfilter, 484 .d_discard = nodiscard, 485 .d_flag = D_DISK 486 }; 487 488 static int 489 rdmatch(device_t parent, cfdata_t cf, void *aux) 490 { 491 struct hpibbus_attach_args *ha = aux; 492 493 return rdident(parent, NULL, ha); 494 } 495 496 static void 497 rdattach(device_t parent, device_t self, void *aux) 498 { 499 struct rd_softc *sc = device_private(self); 500 struct hpibbus_attach_args *ha = aux; 501 int id; 502 char pbuf[9]; 503 504 sc->sc_dev = self; 505 bufq_alloc(&sc->sc_tab, "disksort", BUFQ_SORT_RAWBLOCK); 506 507 if (rdident(parent, sc, ha) == 0) { 508 aprint_error(": didn't respond to describe command!\n"); 509 return; 510 } 511 512 /* 513 * XXX We use DEV_BSIZE instead of the sector size value pulled 514 * XXX off the driver because all of this code assumes 512 byte 515 * XXX blocks. ICK! 516 */ 517 id = sc->sc_type; 518 aprint_normal(": %s\n", rdidentinfo[id].ri_desc); 519 format_bytes(pbuf, sizeof(pbuf), 520 rdidentinfo[id].ri_nblocks * DEV_BSIZE); 521 aprint_normal_dev(sc->sc_dev, "%s, %d cyl, %d head, %d sec," 522 " %d bytes/block x %u blocks\n", 523 pbuf, rdidentinfo[id].ri_ncyl, rdidentinfo[id].ri_ntpc, 524 rdidentinfo[id].ri_nbpt, 525 DEV_BSIZE, rdidentinfo[id].ri_nblocks); 526 527 /* 528 * Initialize and attach the disk structure. 529 */ 530 memset(&sc->sc_dkdev, 0, sizeof(sc->sc_dkdev)); 531 disk_init(&sc->sc_dkdev, device_xname(sc->sc_dev), NULL); 532 disk_attach(&sc->sc_dkdev); 533 rd_set_geom(sc); 534 535 sc->sc_slave = ha->ha_slave; 536 sc->sc_punit = ha->ha_punit; 537 538 callout_init(&sc->sc_restart_ch, 0); 539 540 /* Initialize the hpib job queue entry */ 541 sc->sc_hq.hq_softc = sc; 542 sc->sc_hq.hq_slave = sc->sc_slave; 543 sc->sc_hq.hq_start = rdstart; 544 sc->sc_hq.hq_go = rdgo; 545 sc->sc_hq.hq_intr = rdintr; 546 547 sc->sc_flags = RDF_ALIVE; 548 #ifdef DEBUG 549 /* always report errors */ 550 if ((rddebug & RDB_ERROR) != 0) 551 rderrthresh = 0; 552 #endif 553 /* 554 * attach the device into the random source list 555 */ 556 rnd_attach_source(&sc->rnd_source, device_xname(sc->sc_dev), 557 RND_TYPE_DISK, RND_FLAG_DEFAULT); 558 } 559 560 static int 561 rdident(device_t parent, struct rd_softc *sc, struct hpibbus_attach_args *ha) 562 { 563 struct cs80_describe desc; 564 uint8_t stat, cmd[3]; 565 char name[7]; 566 int i, id, n, ctlr, slave; 567 568 ctlr = device_unit(parent); 569 slave = ha->ha_slave; 570 571 /* Verify that we have a CS80 device. */ 572 if ((ha->ha_id & 0x200) == 0) 573 return 0; 574 575 /* Is it one of the disks we support? */ 576 for (id = 0; id < numrdidentinfo; id++) 577 if (ha->ha_id == rdidentinfo[id].ri_hwid) 578 break; 579 if (id == numrdidentinfo) 580 return 0; 581 582 /* 583 * The supported dvice ID is probed. 584 * Check if the specified physical unit is actually supported 585 * by brandnew HP-IB emulator devices like HPDisk and HPDrive etc. 586 */ 587 /* 588 * Reset device and collect description 589 */ 590 memset(&desc, 0, sizeof(desc)); 591 stat = 0; 592 rdreset_unit(ctlr, slave, ha->ha_punit); 593 cmd[0] = C_SUNIT(ha->ha_punit); 594 cmd[1] = C_SVOL(0); 595 cmd[2] = C_DESC; 596 hpibsend(ctlr, slave, C_CMD, cmd, sizeof(cmd)); 597 hpibrecv(ctlr, slave, C_EXEC, &desc, sizeof(desc)); 598 hpibrecv(ctlr, slave, C_QSTAT, &stat, sizeof(stat)); 599 600 if (stat != 0 || desc.d_name == 0) { 601 /* 602 * No valid response from the specified punit. 603 * 604 * Note it looks HPDisk responds to commands against 605 * supported but not-configured punits at 1 to 3. 606 */ 607 return 0; 608 } 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 memset(name, 0, sizeof(name)); 618 n = desc.d_name; 619 for (i = 5; i >= 0; i--) { 620 name[i] = (n & 0xf) + '0'; 621 n >>= 4; 622 } 623 624 #ifdef DEBUG 625 if (rddebug & RDB_IDENT) { 626 aprint_normal("\n"); 627 aprint_normal_dev(sc->sc_dev, "id: 0x%04x, name: %x ('%s')\n", 628 ha->ha_id, desc.d_name, name); 629 aprint_normal(" iuw %x, maxxfr %d, ctype %d\n", 630 desc.d_iuw, desc.d_cmaxxfr, desc.d_ctype); 631 aprint_normal(" utype %d, bps %d, blkbuf %d, burst %d," 632 " blktime %d\n", 633 desc.d_utype, desc.d_sectsize, 634 desc.d_blkbuf, desc.d_burstsize, desc.d_blocktime); 635 aprint_normal(" avxfr %d, ort %d, atp %d, maxint %d, fv %x" 636 ", rv %x\n", 637 desc.d_uavexfr, desc.d_retry, desc.d_access, 638 desc.d_maxint, desc.d_fvbyte, desc.d_rvbyte); 639 aprint_normal(" maxcyl/head/sect %d/%d/%d, maxvsect %d," 640 " inter %d\n", 641 desc.d_maxcyl, desc.d_maxhead, desc.d_maxsect, 642 desc.d_maxvsectl, desc.d_interleave); 643 aprint_normal("%s", device_xname(sc->sc_dev)); 644 } 645 #endif 646 647 /* 648 * Take care of a couple of anomolies: 649 * 1. 7945A, 7946A, and 7941A all return same HW id 650 * 2. 9122S and 9134D both return same HW id 651 * 3. 9122D and 9134L both return same HW id 652 */ 653 switch (ha->ha_id) { 654 case RD7946AID: 655 if (memcmp(name, RD7945ANAME, RDNAMELEN) == 0) 656 id = RD7945A; 657 else if (memcmp(name, RD7941ANAME, RDNAMELEN) == 0) 658 id = RD7941A; 659 else 660 id = RD7946A; 661 break; 662 663 case RD9134LID: 664 if (memcmp(name, RD9134LNAME, RDNAMELEN) == 0) 665 id = RD9134L; 666 else 667 id = RD9122D; 668 break; 669 670 case RD9134DID: 671 if (memcmp(name, RD9122SNAME, RDNAMELEN) == 0) 672 id = RD9122S; 673 else 674 id = RD9134D; 675 break; 676 } 677 678 /* 679 * HPDisk can have independent physical units that are not 680 * corresponding to device IDs. 681 * To handle this, we have to check names in the drive description 682 * data for punit >= 1. 683 */ 684 if (ha->ha_punit >= 1) { 685 for (i = 0; i < numrdname2id; i++) { 686 if (memcmp(name, rdname2id[i].rn_name, 687 RDNAMELEN) == 0) { 688 id = rdname2id[i].rn_id; 689 break; 690 } 691 } 692 } 693 694 sc->sc_type = id; 695 696 return 1; 697 } 698 699 static void 700 rdreset(struct rd_softc *sc) 701 { 702 int ctlr, slave, punit; 703 704 ctlr = device_unit(device_parent(sc->sc_dev)); 705 slave = sc->sc_slave; 706 punit = sc->sc_punit; 707 rdreset_unit(ctlr, slave, punit); 708 #ifdef DEBUG 709 sc->sc_stats.rdresets++; 710 #endif 711 } 712 713 static void 714 rdreset_unit(int ctlr, int slave, int punit) 715 { 716 struct rd_ssmcmd ssmc; 717 struct rd_srcmd src; 718 struct rd_clearcmd clear; 719 uint8_t stat; 720 721 clear.c_unit = C_SUNIT(punit); 722 clear.c_cmd = C_CLEAR; 723 hpibsend(ctlr, slave, C_TCMD, &clear, sizeof(clear)); 724 hpibswait(ctlr, slave); 725 hpibrecv(ctlr, slave, C_QSTAT, &stat, sizeof(stat)); 726 727 src.c_unit = C_SUNIT(RDCTLR); 728 src.c_nop = C_NOP; 729 src.c_cmd = C_SREL; 730 src.c_param = C_REL; 731 hpibsend(ctlr, slave, C_CMD, &src, sizeof(src)); 732 hpibswait(ctlr, slave); 733 hpibrecv(ctlr, slave, C_QSTAT, &stat, sizeof(stat)); 734 735 ssmc.c_unit = C_SUNIT(punit); 736 ssmc.c_cmd = C_SSM; 737 ssmc.c_refm = REF_MASK; 738 ssmc.c_fefm = FEF_MASK; 739 ssmc.c_aefm = AEF_MASK; 740 ssmc.c_iefm = IEF_MASK; 741 hpibsend(ctlr, slave, C_CMD, &ssmc, sizeof(ssmc)); 742 hpibswait(ctlr, slave); 743 hpibrecv(ctlr, slave, C_QSTAT, &stat, sizeof(stat)); 744 } 745 746 static void 747 rd_set_geom(struct rd_softc *sc) 748 { 749 struct disk_geom *dg = &sc->sc_dkdev.dk_geom; 750 const struct rdidentinfo *ri = &rdidentinfo[sc->sc_type]; 751 752 memset(dg, 0, sizeof(*dg)); 753 754 dg->dg_secsize = DEV_BSIZE; 755 dg->dg_nsectors = ri->ri_nbpt; 756 dg->dg_ntracks = ri->ri_ntpc; 757 dg->dg_ncylinders = ri->ri_ncyl; 758 dg->dg_secperunit = ri->ri_nblocks; 759 760 disk_set_info(sc->sc_dev, &sc->sc_dkdev, ri->ri_desc); 761 } 762 763 /* 764 * Read or construct a disklabel 765 */ 766 static int 767 rdgetinfo(dev_t dev) 768 { 769 struct rd_softc *sc = device_lookup_private(&rd_cd, rdunit(dev)); 770 struct disklabel *lp = sc->sc_dkdev.dk_label; 771 struct partition *pi; 772 const char *msg; 773 774 /* 775 * Set some default values to use while reading the label 776 * or to use if there isn't a label. 777 */ 778 memset((void *)lp, 0, sizeof *lp); 779 rdgetdefaultlabel(sc, lp); 780 781 /* 782 * Now try to read the disklabel 783 */ 784 msg = readdisklabel(rdlabdev(dev), rdstrategy, lp, NULL); 785 if (msg == NULL) 786 return 0; 787 788 pi = lp->d_partitions; 789 printf("%s: WARNING: %s\n", device_xname(sc->sc_dev), msg); 790 791 pi[RAW_PART].p_size = rdidentinfo[sc->sc_type].ri_nblocks; 792 /* XXX reset other info since readdisklabel screws with it */ 793 lp->d_npartitions = 3; 794 pi[0].p_size = 0; 795 796 return 0; 797 } 798 799 static int 800 rdopen(dev_t dev, int flags, int mode, struct lwp *l) 801 { 802 struct rd_softc *sc; 803 int error, mask, part; 804 805 sc = device_lookup_private(&rd_cd, rdunit(dev)); 806 if (sc == NULL) 807 return ENXIO; 808 809 if ((sc->sc_flags & RDF_ALIVE) == 0) 810 return ENXIO; 811 812 /* 813 * Wait for any pending opens/closes to complete 814 */ 815 while ((sc->sc_flags & (RDF_OPENING | RDF_CLOSING)) != 0) 816 (void)tsleep(sc, PRIBIO, "rdopen", 0); 817 818 /* 819 * On first open, get label and partition info. 820 * We may block reading the label, so be careful 821 * to stop any other opens. 822 */ 823 if (sc->sc_dkdev.dk_openmask == 0) { 824 sc->sc_flags |= RDF_OPENING; 825 error = rdgetinfo(dev); 826 sc->sc_flags &= ~RDF_OPENING; 827 wakeup((void *)sc); 828 if (error) 829 return error; 830 } 831 832 part = rdpart(dev); 833 mask = 1 << part; 834 835 /* Check that the partition exists. */ 836 if (part != RAW_PART && 837 (part > sc->sc_dkdev.dk_label->d_npartitions || 838 sc->sc_dkdev.dk_label->d_partitions[part].p_fstype == FS_UNUSED)) 839 return ENXIO; 840 841 /* Ensure only one open at a time. */ 842 switch (mode) { 843 case S_IFCHR: 844 sc->sc_dkdev.dk_copenmask |= mask; 845 break; 846 case S_IFBLK: 847 sc->sc_dkdev.dk_bopenmask |= mask; 848 break; 849 } 850 sc->sc_dkdev.dk_openmask = 851 sc->sc_dkdev.dk_copenmask | sc->sc_dkdev.dk_bopenmask; 852 853 return 0; 854 } 855 856 static int 857 rdclose(dev_t dev, int flag, int mode, struct lwp *l) 858 { 859 struct rd_softc *sc = device_lookup_private(&rd_cd, rdunit(dev)); 860 struct disk *dk = &sc->sc_dkdev; 861 int mask, s; 862 863 mask = 1 << rdpart(dev); 864 if (mode == S_IFCHR) 865 dk->dk_copenmask &= ~mask; 866 else 867 dk->dk_bopenmask &= ~mask; 868 dk->dk_openmask = dk->dk_copenmask | dk->dk_bopenmask; 869 /* 870 * On last close, we wait for all activity to cease since 871 * the label/partition info will become invalid. Since we 872 * might sleep, we must block any opens while we are here. 873 * Note we don't have to about other closes since we know 874 * we are the last one. 875 */ 876 if (dk->dk_openmask == 0) { 877 sc->sc_flags |= RDF_CLOSING; 878 s = splbio(); 879 while (sc->sc_active) { 880 sc->sc_flags |= RDF_WANTED; 881 (void)tsleep(&sc->sc_tab, PRIBIO, "rdclose", 0); 882 } 883 splx(s); 884 sc->sc_flags &= ~(RDF_CLOSING | RDF_WLABEL); 885 wakeup((void *)sc); 886 } 887 return 0; 888 } 889 890 static void 891 rdstrategy(struct buf *bp) 892 { 893 struct rd_softc *sc = device_lookup_private(&rd_cd, rdunit(bp->b_dev)); 894 struct partition *pinfo; 895 daddr_t bn; 896 int s; 897 int offset; 898 899 #ifdef DEBUG 900 if ((rddebug & RDB_FOLLOW) != 0) 901 printf("rdstrategy(%p): dev %" PRIx64 902 ", bn %llx, bcount %x, %c\n", 903 bp, bp->b_dev, bp->b_blkno, bp->b_bcount, 904 (bp->b_flags & B_READ) != 0 ? 'R' : 'W'); 905 #endif 906 bn = bp->b_blkno; 907 pinfo = &sc->sc_dkdev.dk_label->d_partitions[rdpart(bp->b_dev)]; 908 909 /* Don't perform partition translation on RAW_PART. */ 910 offset = (rdpart(bp->b_dev) == RAW_PART) ? 0 : pinfo->p_offset; 911 912 if (rdpart(bp->b_dev) == RAW_PART) { 913 if (bounds_check_with_mediasize(bp, DEV_BSIZE, 914 rdidentinfo[sc->sc_type].ri_nblocks) <= 0) 915 goto done; 916 } else { 917 if (bounds_check_with_label(&sc->sc_dkdev, bp, 918 (sc->sc_flags & RDF_WLABEL) != 0) <= 0) 919 goto done; 920 } 921 bp->b_rawblkno = bn + offset; 922 s = splbio(); 923 bufq_put(sc->sc_tab, bp); 924 if (sc->sc_active == 0) { 925 sc->sc_active = 1; 926 rdustart(sc); 927 } 928 splx(s); 929 return; 930 done: 931 biodone(bp); 932 } 933 934 /* 935 * Called from timeout() when handling maintenance releases 936 */ 937 static void 938 rdrestart(void *arg) 939 { 940 struct rd_softc *sc = arg; 941 int s; 942 943 s = splbio(); 944 rdustart(sc); 945 splx(s); 946 } 947 948 static void 949 rdustart(struct rd_softc *sc) 950 { 951 struct buf *bp; 952 953 bp = bufq_peek(sc->sc_tab); 954 sc->sc_addr = bp->b_data; 955 sc->sc_resid = bp->b_bcount; 956 if (hpibreq(device_parent(sc->sc_dev), &sc->sc_hq)) 957 rdstart(sc); 958 } 959 960 static struct buf * 961 rdfinish(struct rd_softc *sc, struct buf *bp) 962 { 963 964 sc->sc_errcnt = 0; 965 (void)bufq_get(sc->sc_tab); 966 bp->b_resid = 0; 967 biodone(bp); 968 hpibfree(device_parent(sc->sc_dev), &sc->sc_hq); 969 if ((bp = bufq_peek(sc->sc_tab)) != NULL) 970 return bp; 971 sc->sc_active = 0; 972 if ((sc->sc_flags & RDF_WANTED) != 0) { 973 sc->sc_flags &= ~RDF_WANTED; 974 wakeup((void *)&sc->sc_tab); 975 } 976 return NULL; 977 } 978 979 static void 980 rdstart(void *arg) 981 { 982 struct rd_softc *sc = arg; 983 struct buf *bp = bufq_peek(sc->sc_tab); 984 int ctlr, slave; 985 986 ctlr = device_unit(device_parent(sc->sc_dev)); 987 slave = sc->sc_slave; 988 989 again: 990 #ifdef DEBUG 991 if (rddebug & RDB_FOLLOW) 992 printf("rdstart(%s): bp %p, %c\n", device_xname(sc->sc_dev), bp, 993 (bp->b_flags & B_READ) ? 'R' : 'W'); 994 #endif 995 sc->sc_flags |= RDF_SEEK; 996 sc->sc_ioc.c_unit = C_SUNIT(sc->sc_punit); 997 sc->sc_ioc.c_volume = C_SVOL(0); 998 sc->sc_ioc.c_saddr = C_SADDR; 999 sc->sc_ioc.c_hiaddr = 0; 1000 sc->sc_ioc.c_addr = RDBTOS(bp->b_rawblkno); 1001 sc->sc_ioc.c_nop2 = C_NOP; 1002 sc->sc_ioc.c_slen = C_SLEN; 1003 sc->sc_ioc.c_len = sc->sc_resid; 1004 sc->sc_ioc.c_cmd = (bp->b_flags & B_READ) != 0 ? C_READ : C_WRITE; 1005 #ifdef DEBUG 1006 if ((rddebug & RDB_IO) != 0) 1007 printf("rdstart: hpibsend(%x, %x, %x, %p, %x)\n", 1008 ctlr, slave, C_CMD, 1009 &sc->sc_ioc.c_unit, sizeof(sc->sc_ioc) - 2); 1010 #endif 1011 if (hpibsend(ctlr, slave, C_CMD, &sc->sc_ioc.c_unit, 1012 sizeof(sc->sc_ioc) - 2) == sizeof(sc->sc_ioc) - 2) { 1013 1014 /* Instrumentation. */ 1015 disk_busy(&sc->sc_dkdev); 1016 iostat_seek(sc->sc_dkdev.dk_stats); 1017 1018 #ifdef DEBUG 1019 if ((rddebug & RDB_IO) != 0) 1020 printf("rdstart: hpibawait(%x)\n", ctlr); 1021 #endif 1022 hpibawait(ctlr); 1023 return; 1024 } 1025 /* 1026 * Experience has shown that the hpibwait in this hpibsend will 1027 * occasionally timeout. It appears to occur mostly on old 7914 1028 * drives with full maintenance tracks. We should probably 1029 * integrate this with the backoff code in rderror. 1030 */ 1031 #ifdef DEBUG 1032 if ((rddebug & RDB_ERROR) != 0) 1033 printf("%s: rdstart: cmd %x adr %x blk %lld len %d ecnt %d\n", 1034 device_xname(sc->sc_dev), 1035 sc->sc_ioc.c_cmd, sc->sc_ioc.c_addr, 1036 bp->b_blkno, sc->sc_resid, sc->sc_errcnt); 1037 sc->sc_stats.rdretries++; 1038 #endif 1039 sc->sc_flags &= ~RDF_SEEK; 1040 rdreset(sc); 1041 if (sc->sc_errcnt++ < RDRETRY) 1042 goto again; 1043 printf("%s: rdstart err: cmd 0x%x sect %u blk %" PRId64 " len %d\n", 1044 device_xname(sc->sc_dev), sc->sc_ioc.c_cmd, sc->sc_ioc.c_addr, 1045 bp->b_blkno, sc->sc_resid); 1046 bp->b_error = EIO; 1047 bp = rdfinish(sc, bp); 1048 if (bp != NULL) { 1049 sc->sc_addr = bp->b_data; 1050 sc->sc_resid = bp->b_bcount; 1051 if (hpibreq(device_parent(sc->sc_dev), &sc->sc_hq)) 1052 goto again; 1053 } 1054 } 1055 1056 static void 1057 rdgo(void *arg) 1058 { 1059 struct rd_softc *sc = arg; 1060 struct buf *bp = bufq_peek(sc->sc_tab); 1061 int rw, ctlr, slave; 1062 1063 ctlr = device_unit(device_parent(sc->sc_dev)); 1064 slave = sc->sc_slave; 1065 1066 rw = bp->b_flags & B_READ; 1067 1068 /* Instrumentation. */ 1069 disk_busy(&sc->sc_dkdev); 1070 1071 #ifdef USELEDS 1072 ledcontrol(0, 0, LED_DISK); 1073 #endif 1074 hpibgo(ctlr, slave, C_EXEC, sc->sc_addr, sc->sc_resid, rw, rw != 0); 1075 } 1076 1077 /* ARGSUSED */ 1078 static void 1079 rdintr(void *arg) 1080 { 1081 struct rd_softc *sc = arg; 1082 int unit = device_unit(sc->sc_dev); 1083 struct buf *bp = bufq_peek(sc->sc_tab); 1084 uint8_t stat = 13; /* in case hpibrecv fails */ 1085 int rv, restart, ctlr, slave; 1086 1087 ctlr = device_unit(device_parent(sc->sc_dev)); 1088 slave = sc->sc_slave; 1089 1090 #ifdef DEBUG 1091 if ((rddebug & RDB_FOLLOW) != 0) 1092 printf("rdintr(%d): bp %p, %c, flags %x\n", unit, bp, 1093 (bp->b_flags & B_READ) ? 'R' : 'W', sc->sc_flags); 1094 if (bp == NULL) { 1095 printf("%s: bp == NULL\n", device_xname(sc->sc_dev)); 1096 return; 1097 } 1098 #endif 1099 disk_unbusy(&sc->sc_dkdev, (bp->b_bcount - bp->b_resid), 1100 (bp->b_flags & B_READ)); 1101 1102 if ((sc->sc_flags & RDF_SEEK) != 0) { 1103 sc->sc_flags &= ~RDF_SEEK; 1104 if (hpibustart(ctlr)) 1105 rdgo(sc); 1106 return; 1107 } 1108 if ((sc->sc_flags & RDF_SWAIT) == 0) { 1109 #ifdef DEBUG 1110 sc->sc_stats.rdpolltries++; 1111 #endif 1112 if (hpibpptest(ctlr, slave) == 0) { 1113 #ifdef DEBUG 1114 sc->sc_stats.rdpollwaits++; 1115 #endif 1116 1117 /* Instrumentation. */ 1118 disk_busy(&sc->sc_dkdev); 1119 sc->sc_flags |= RDF_SWAIT; 1120 hpibawait(ctlr); 1121 return; 1122 } 1123 } else 1124 sc->sc_flags &= ~RDF_SWAIT; 1125 rv = hpibrecv(ctlr, slave, C_QSTAT, &stat, 1); 1126 if (rv != 1 || stat != 0) { 1127 #ifdef DEBUG 1128 if (rddebug & RDB_ERROR) 1129 printf("rdintr: recv failed or bad stat %d\n", stat); 1130 #endif 1131 restart = rderror(unit); 1132 #ifdef DEBUG 1133 sc->sc_stats.rdretries++; 1134 #endif 1135 if (sc->sc_errcnt++ < RDRETRY) { 1136 if (restart) 1137 rdstart(sc); 1138 return; 1139 } 1140 bp->b_error = EIO; 1141 } 1142 if (rdfinish(sc, bp)) 1143 rdustart(sc); 1144 rnd_add_uint32(&sc->rnd_source, bp->b_blkno); 1145 } 1146 1147 static int 1148 rdstatus(struct rd_softc *sc) 1149 { 1150 int c, s; 1151 uint8_t stat; 1152 int rv; 1153 1154 c = device_unit(device_parent(sc->sc_dev)); 1155 s = sc->sc_slave; 1156 sc->sc_rsc.c_unit = C_SUNIT(sc->sc_punit); 1157 sc->sc_rsc.c_sram = C_SRAM; 1158 sc->sc_rsc.c_ram = C_RAM; 1159 sc->sc_rsc.c_cmd = C_STATUS; 1160 memset((void *)&sc->sc_stat, 0, sizeof(sc->sc_stat)); 1161 rv = hpibsend(c, s, C_CMD, &sc->sc_rsc, sizeof(sc->sc_rsc)); 1162 if (rv != sizeof(sc->sc_rsc)) { 1163 #ifdef DEBUG 1164 if ((rddebug & RDB_STATUS) != 0) 1165 printf("rdstatus: send C_CMD failed %d != %d\n", 1166 rv, sizeof(sc->sc_rsc)); 1167 #endif 1168 return 1; 1169 } 1170 rv = hpibrecv(c, s, C_EXEC, &sc->sc_stat, sizeof(sc->sc_stat)); 1171 if (rv != sizeof(sc->sc_stat)) { 1172 #ifdef DEBUG 1173 if ((rddebug & RDB_STATUS) != 0) 1174 printf("rdstatus: send C_EXEC failed %d != %d\n", 1175 rv, sizeof(sc->sc_stat)); 1176 #endif 1177 return 1; 1178 } 1179 rv = hpibrecv(c, s, C_QSTAT, &stat, 1); 1180 if (rv != 1 || stat != 0) { 1181 #ifdef DEBUG 1182 if ((rddebug & RDB_STATUS) != 0) 1183 printf("rdstatus: recv failed %d or bad stat %d\n", 1184 rv, stat); 1185 #endif 1186 return 1; 1187 } 1188 return 0; 1189 } 1190 1191 /* 1192 * Deal with errors. 1193 * Returns 1 if request should be restarted, 1194 * 0 if we should just quietly give up. 1195 */ 1196 static int 1197 rderror(int unit) 1198 { 1199 struct rd_softc *sc = device_lookup_private(&rd_cd, unit); 1200 struct rd_stat *sp; 1201 struct buf *bp; 1202 daddr_t hwbn, pbn; 1203 1204 if (rdstatus(sc) != 0) { 1205 #ifdef DEBUG 1206 printf("%s: couldn't get status\n", device_xname(sc->sc_dev)); 1207 #endif 1208 rdreset(sc); 1209 return 1; 1210 } 1211 sp = &sc->sc_stat; 1212 if ((sp->c_fef & FEF_REXMT) != 0) 1213 return 1; 1214 if ((sp->c_fef & FEF_PF) != 0) { 1215 rdreset(sc); 1216 return 1; 1217 } 1218 /* 1219 * Unit requests release for internal maintenance. 1220 * We just delay awhile and try again later. Use expontially 1221 * increasing backoff ala ethernet drivers since we don't really 1222 * know how long the maintenance will take. With RDWAITC and 1223 * RDRETRY as defined, the range is 1 to 32 seconds. 1224 */ 1225 if ((sp->c_fef & FEF_IMR) != 0) { 1226 int rdtimo = RDWAITC << sc->sc_errcnt; 1227 #ifdef DEBUG 1228 printf("%s: internal maintenance, %d second timeout\n", 1229 device_xname(sc->sc_dev), rdtimo); 1230 sc->sc_stats.rdtimeouts++; 1231 #endif 1232 hpibfree(device_parent(sc->sc_dev), &sc->sc_hq); 1233 callout_reset(&sc->sc_restart_ch, rdtimo * hz, rdrestart, sc); 1234 return 0; 1235 } 1236 /* 1237 * Only report error if we have reached the error reporting 1238 * threshold. By default, this will only report after the 1239 * retry limit has been exceeded. 1240 */ 1241 if (sc->sc_errcnt < rderrthresh) 1242 return 1; 1243 1244 /* 1245 * First conjure up the block number at which the error occurred. 1246 * Note that not all errors report a block number, in that case 1247 * we just use b_blkno. 1248 */ 1249 bp = bufq_peek(sc->sc_tab); 1250 pbn = sc->sc_dkdev.dk_label->d_partitions[rdpart(bp->b_dev)].p_offset; 1251 if ((sp->c_fef & FEF_CU) != 0 || (sp->c_fef & FEF_DR) != 0 || 1252 (sp->c_ief & IEF_RRMASK) != 0) { 1253 hwbn = RDBTOS(pbn + bp->b_blkno); 1254 pbn = bp->b_blkno; 1255 } else { 1256 hwbn = sp->c_blk; 1257 pbn = RDSTOB(hwbn) - pbn; 1258 } 1259 /* 1260 * Now output a generic message suitable for badsect. 1261 * Note that we don't use harderr cuz it just prints 1262 * out b_blkno which is just the beginning block number 1263 * of the transfer, not necessary where the error occurred. 1264 */ 1265 printf("%s%c: hard error sn%" PRId64 "\n", device_xname(sc->sc_dev), 1266 'a' + rdpart(bp->b_dev), pbn); 1267 /* 1268 * Now report the status as returned by the hardware with 1269 * attempt at interpretation (unless debugging). 1270 */ 1271 printf("%s %s error:", device_xname(sc->sc_dev), 1272 (bp->b_flags & B_READ) != 0 ? "read" : "write"); 1273 #ifdef DEBUG 1274 if (rddebug & RDB_ERROR) { 1275 /* status info */ 1276 printf("\n volume: %d, unit: %d\n", 1277 (sp->c_vu >> 4) & 0xF, sp->c_vu & 0xF); 1278 rdprinterr("reject", sp->c_ref, err_reject); 1279 rdprinterr("fault", sp->c_fef, err_fault); 1280 rdprinterr("access", sp->c_aef, err_access); 1281 rdprinterr("info", sp->c_ief, err_info); 1282 printf(" block: %lld, P1-P10: ", hwbn); 1283 printf("0x%x", *(uint32_t *)&sp->c_raw[0]); 1284 printf("0x%x", *(uint32_t *)&sp->c_raw[4]); 1285 printf("0x%x\n", *(uint16_t *)&sp->c_raw[8]); 1286 /* command */ 1287 printf(" ioc: "); 1288 printf("0x%x", *(uint32_t *)&sc->sc_ioc.c_pad); 1289 printf("0x%x", *(uint16_t *)&sc->sc_ioc.c_hiaddr); 1290 printf("0x%x", *(uint32_t *)&sc->sc_ioc.c_addr); 1291 printf("0x%x", *(uint16_t *)&sc->sc_ioc.c_nop2); 1292 printf("0x%x", *(uint32_t *)&sc->sc_ioc.c_len); 1293 printf("0x%x\n", *(uint16_t *)&sc->sc_ioc.c_cmd); 1294 return 1; 1295 } 1296 #endif 1297 printf(" v%d u%d, R0x%x F0x%x A0x%x I0x%x\n", 1298 (sp->c_vu >> 4) & 0xF, sp->c_vu & 0xF, 1299 sp->c_ref, sp->c_fef, sp->c_aef, sp->c_ief); 1300 printf("P1-P10: "); 1301 printf("0x%x", *(uint32_t *)&sp->c_raw[0]); 1302 printf("0x%x", *(uint32_t *)&sp->c_raw[4]); 1303 printf("0x%x\n", *(uint16_t *)&sp->c_raw[8]); 1304 return 1; 1305 } 1306 1307 static int 1308 rdread(dev_t dev, struct uio *uio, int flags) 1309 { 1310 1311 return physio(rdstrategy, NULL, dev, B_READ, minphys, uio); 1312 } 1313 1314 static int 1315 rdwrite(dev_t dev, struct uio *uio, int flags) 1316 { 1317 1318 return physio(rdstrategy, NULL, dev, B_WRITE, minphys, uio); 1319 } 1320 1321 static int 1322 rdioctl(dev_t dev, u_long cmd, void *data, int flag, struct lwp *l) 1323 { 1324 struct rd_softc *sc = device_lookup_private(&rd_cd, rdunit(dev)); 1325 struct disklabel *lp = sc->sc_dkdev.dk_label; 1326 int error, flags; 1327 1328 error = disk_ioctl(&sc->sc_dkdev, dev, cmd, data, flag, l); 1329 if (error != EPASSTHROUGH) 1330 return error; 1331 1332 switch (cmd) { 1333 case DIOCWLABEL: 1334 if ((flag & FWRITE) == 0) 1335 return EBADF; 1336 if (*(int *)data) 1337 sc->sc_flags |= RDF_WLABEL; 1338 else 1339 sc->sc_flags &= ~RDF_WLABEL; 1340 return 0; 1341 1342 case DIOCSDINFO: 1343 if ((flag & FWRITE) == 0) 1344 return EBADF; 1345 return setdisklabel(lp, (struct disklabel *)data, 1346 (sc->sc_flags & RDF_WLABEL) ? 0 : sc->sc_dkdev.dk_openmask, 1347 NULL); 1348 1349 case DIOCWDINFO: 1350 if ((flag & FWRITE) == 0) 1351 return EBADF; 1352 error = setdisklabel(lp, (struct disklabel *)data, 1353 (sc->sc_flags & RDF_WLABEL) ? 0 : sc->sc_dkdev.dk_openmask, 1354 NULL); 1355 if (error != 0) 1356 return error; 1357 flags = sc->sc_flags; 1358 sc->sc_flags = RDF_ALIVE | RDF_WLABEL; 1359 error = writedisklabel(rdlabdev(dev), rdstrategy, lp, NULL); 1360 sc->sc_flags = flags; 1361 return error; 1362 1363 case DIOCGDEFLABEL: 1364 rdgetdefaultlabel(sc, (struct disklabel *)data); 1365 return 0; 1366 1367 case DIOCCACHESYNC: 1368 /* no cache to be flushed but required to appease raid(4) */ 1369 return 0; 1370 } 1371 return EINVAL; 1372 } 1373 1374 static void 1375 rdgetdefaultlabel(struct rd_softc *sc, struct disklabel *lp) 1376 { 1377 int type = sc->sc_type; 1378 1379 memset((void *)lp, 0, sizeof(struct disklabel)); 1380 1381 lp->d_type = DKTYPE_HPIB; 1382 lp->d_secsize = DEV_BSIZE; 1383 lp->d_nsectors = rdidentinfo[type].ri_nbpt; 1384 lp->d_ntracks = rdidentinfo[type].ri_ntpc; 1385 lp->d_ncylinders = rdidentinfo[type].ri_ncyl; 1386 lp->d_secperunit = rdidentinfo[type].ri_nblocks; 1387 lp->d_secpercyl = lp->d_ntracks * lp->d_nsectors; 1388 1389 strlcpy(lp->d_typename, rdidentinfo[type].ri_desc, 1390 sizeof(lp->d_typename)); 1391 strlcpy(lp->d_packname, "fictitious", sizeof(lp->d_packname)); 1392 lp->d_rpm = 3000; 1393 lp->d_interleave = 1; 1394 lp->d_flags = 0; 1395 1396 lp->d_partitions[RAW_PART].p_offset = 0; 1397 lp->d_partitions[RAW_PART].p_size = 1398 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 1399 lp->d_partitions[RAW_PART].p_fstype = FS_UNUSED; 1400 lp->d_npartitions = RAW_PART + 1; 1401 1402 lp->d_magic = DISKMAGIC; 1403 lp->d_magic2 = DISKMAGIC; 1404 lp->d_checksum = dkcksum(lp); 1405 } 1406 1407 static int 1408 rdsize(dev_t dev) 1409 { 1410 struct rd_softc *sc; 1411 int psize, didopen = 0; 1412 1413 sc = device_lookup_private(&rd_cd, rdunit(dev)); 1414 if (sc == NULL) 1415 return ENXIO; 1416 1417 if ((sc->sc_flags & RDF_ALIVE) == 0) 1418 return ENXIO; 1419 1420 /* 1421 * We get called very early on (via swapconf) 1422 * without the device being open so we may need 1423 * to handle it here. 1424 */ 1425 if (sc->sc_dkdev.dk_openmask == 0) { 1426 if (rdopen(dev, FREAD | FWRITE, S_IFBLK, NULL)) 1427 return -1; 1428 didopen = 1; 1429 } 1430 psize = sc->sc_dkdev.dk_label->d_partitions[rdpart(dev)].p_size * 1431 (sc->sc_dkdev.dk_label->d_secsize / DEV_BSIZE); 1432 if (didopen) 1433 (void)rdclose(dev, FREAD | FWRITE, S_IFBLK, NULL); 1434 return psize; 1435 } 1436 1437 #ifdef DEBUG 1438 static void 1439 rdprinterr(const char *str, short err, const char **tab) 1440 { 1441 int i; 1442 int printed; 1443 1444 if (err == 0) 1445 return; 1446 printf(" %s error %d field:", str, err); 1447 printed = 0; 1448 for (i = 0; i < 16; i++) 1449 if ((err & (0x8000 >> i)) != 0) 1450 printf("%s%s", printed++ ? " + " : " ", tab[i]); 1451 printf("\n"); 1452 } 1453 #endif 1454 1455 static int rddoingadump; /* simple mutex */ 1456 1457 /* 1458 * Non-interrupt driven, non-DMA dump routine. 1459 */ 1460 static int 1461 rddump(dev_t dev, daddr_t blkno, void *va, size_t size) 1462 { 1463 int sectorsize; /* size of a disk sector */ 1464 int nsects; /* number of sectors in partition */ 1465 int sectoff; /* sector offset of partition */ 1466 int totwrt; /* total number of sectors left to write */ 1467 int nwrt; /* current number of sectors to write */ 1468 int part; 1469 int ctlr, slave; 1470 struct rd_softc *sc; 1471 struct disklabel *lp; 1472 char stat; 1473 1474 /* Check for recursive dump; if so, punt. */ 1475 if (rddoingadump) 1476 return EFAULT; 1477 rddoingadump = 1; 1478 1479 /* Decompose unit and partition. */ 1480 part = rdpart(dev); 1481 1482 /* Make sure dump device is ok. */ 1483 sc = device_lookup_private(&rd_cd, rdunit(dev)); 1484 if (sc == NULL) 1485 return ENXIO; 1486 1487 if ((sc->sc_flags & RDF_ALIVE) == 0) 1488 return ENXIO; 1489 1490 ctlr = device_unit(device_parent(sc->sc_dev)); 1491 slave = sc->sc_slave; 1492 1493 /* 1494 * Convert to disk sectors. Request must be a multiple of size. 1495 */ 1496 lp = sc->sc_dkdev.dk_label; 1497 sectorsize = lp->d_secsize; 1498 if ((size % sectorsize) != 0) 1499 return EFAULT; 1500 totwrt = size / sectorsize; 1501 blkno = dbtob(blkno) / sectorsize; /* blkno in DEV_BSIZE units */ 1502 1503 nsects = lp->d_partitions[part].p_size; 1504 sectoff = lp->d_partitions[part].p_offset; 1505 1506 /* Check transfer bounds against partition size. */ 1507 if ((blkno < 0) || (blkno + totwrt) > nsects) 1508 return EINVAL; 1509 1510 /* Offset block number to start of partition. */ 1511 blkno += sectoff; 1512 1513 while (totwrt > 0) { 1514 nwrt = totwrt; /* XXX */ 1515 #ifndef RD_DUMP_NOT_TRUSTED 1516 /* 1517 * Fill out and send HPIB command. 1518 */ 1519 sc->sc_ioc.c_unit = C_SUNIT(sc->sc_punit); 1520 sc->sc_ioc.c_volume = C_SVOL(0); 1521 sc->sc_ioc.c_saddr = C_SADDR; 1522 sc->sc_ioc.c_hiaddr = 0; 1523 sc->sc_ioc.c_addr = RDBTOS(blkno); 1524 sc->sc_ioc.c_nop2 = C_NOP; 1525 sc->sc_ioc.c_slen = C_SLEN; 1526 sc->sc_ioc.c_len = nwrt * sectorsize; 1527 sc->sc_ioc.c_cmd = C_WRITE; 1528 hpibsend(ctlr, slave, C_CMD, &sc->sc_ioc.c_unit, 1529 sizeof(sc->sc_ioc) - 2); 1530 if (hpibswait(ctlr, slave)) 1531 return EIO; 1532 1533 /* 1534 * Send the data. 1535 */ 1536 hpibsend(ctlr, slave, C_EXEC, va, nwrt * sectorsize); 1537 (void)hpibswait(ctlr, slave); 1538 hpibrecv(ctlr, slave, C_QSTAT, &stat, 1); 1539 if (stat) 1540 return EIO; 1541 #else /* RD_DUMP_NOT_TRUSTED */ 1542 /* Let's just talk about this first... */ 1543 printf("%s: dump addr %p, blk %d\n", device_xname(sc->sc_dev), 1544 va, blkno); 1545 delay(500 * 1000); /* half a second */ 1546 #endif /* RD_DUMP_NOT_TRUSTED */ 1547 1548 /* update block count */ 1549 totwrt -= nwrt; 1550 blkno += nwrt; 1551 va = (uint8_t *)va + sectorsize * nwrt; 1552 } 1553 rddoingadump = 0; 1554 return 0; 1555 } 1556
Indexes created Tue Sep 30 11:09:46 GMT 2025