rd.c revision 1.120
1 /* $NetBSD: rd.c,v 1.120 2022/11/30 17:42:20 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 1.120 2022/11/30 17:42:20 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 static void rdrestart(void *); 434 static struct buf *rdfinish(struct rd_softc *, struct buf *); 435 436 static void rdgetdefaultlabel(struct rd_softc *, struct disklabel *); 437 static void rdrestart(void *); 438 static void rdustart(struct rd_softc *); 439 static struct buf *rdfinish(struct rd_softc *, struct buf *); 440 static void rdstart(void *); 441 static void rdgo(void *); 442 static void rdintr(void *); 443 static int rdstatus(struct rd_softc *); 444 static int rderror(int); 445 #ifdef DEBUG 446 static void rdprinterr(const char *, short, const char **); 447 #endif 448 449 static int rdmatch(device_t, cfdata_t, void *); 450 static void rdattach(device_t, device_t, void *); 451 452 CFATTACH_DECL_NEW(rd, sizeof(struct rd_softc), 453 rdmatch, rdattach, NULL, NULL); 454 455 static dev_type_open(rdopen); 456 static dev_type_close(rdclose); 457 static dev_type_read(rdread); 458 static dev_type_write(rdwrite); 459 static dev_type_ioctl(rdioctl); 460 static dev_type_strategy(rdstrategy); 461 static dev_type_dump(rddump); 462 static dev_type_size(rdsize); 463 464 const struct bdevsw rd_bdevsw = { 465 .d_open = rdopen, 466 .d_close = rdclose, 467 .d_strategy = rdstrategy, 468 .d_ioctl = rdioctl, 469 .d_dump = rddump, 470 .d_psize = rdsize, 471 .d_discard = nodiscard, 472 .d_flag = D_DISK 473 }; 474 475 const struct cdevsw rd_cdevsw = { 476 .d_open = rdopen, 477 .d_close = rdclose, 478 .d_read = rdread, 479 .d_write = rdwrite, 480 .d_ioctl = rdioctl, 481 .d_stop = nostop, 482 .d_tty = notty, 483 .d_poll = nopoll, 484 .d_mmap = nommap, 485 .d_kqfilter = nokqfilter, 486 .d_discard = nodiscard, 487 .d_flag = D_DISK 488 }; 489 490 static int 491 rdmatch(device_t parent, cfdata_t cf, void *aux) 492 { 493 struct hpibbus_attach_args *ha = aux; 494 495 return rdident(parent, NULL, ha); 496 } 497 498 static void 499 rdattach(device_t parent, device_t self, void *aux) 500 { 501 struct rd_softc *sc = device_private(self); 502 struct hpibbus_attach_args *ha = aux; 503 int id; 504 char pbuf[9]; 505 506 sc->sc_dev = self; 507 bufq_alloc(&sc->sc_tab, "disksort", BUFQ_SORT_RAWBLOCK); 508 509 if (rdident(parent, sc, ha) == 0) { 510 aprint_error(": didn't respond to describe command!\n"); 511 return; 512 } 513 514 /* 515 * XXX We use DEV_BSIZE instead of the sector size value pulled 516 * XXX off the driver because all of this code assumes 512 byte 517 * XXX blocks. ICK! 518 */ 519 id = sc->sc_type; 520 aprint_normal(": %s\n", rdidentinfo[id].ri_desc); 521 format_bytes(pbuf, sizeof(pbuf), 522 rdidentinfo[id].ri_nblocks * DEV_BSIZE); 523 aprint_normal_dev(sc->sc_dev, "%s, %d cyl, %d head, %d sec," 524 " %d bytes/block x %u blocks\n", 525 pbuf, rdidentinfo[id].ri_ncyl, rdidentinfo[id].ri_ntpc, 526 rdidentinfo[id].ri_nbpt, 527 DEV_BSIZE, rdidentinfo[id].ri_nblocks); 528 529 /* 530 * Initialize and attach the disk structure. 531 */ 532 memset(&sc->sc_dkdev, 0, sizeof(sc->sc_dkdev)); 533 disk_init(&sc->sc_dkdev, device_xname(sc->sc_dev), NULL); 534 disk_attach(&sc->sc_dkdev); 535 rd_set_geom(sc); 536 537 sc->sc_slave = ha->ha_slave; 538 sc->sc_punit = ha->ha_punit; 539 540 callout_init(&sc->sc_restart_ch, 0); 541 542 /* Initialize the hpib job queue entry */ 543 sc->sc_hq.hq_softc = sc; 544 sc->sc_hq.hq_slave = sc->sc_slave; 545 sc->sc_hq.hq_start = rdstart; 546 sc->sc_hq.hq_go = rdgo; 547 sc->sc_hq.hq_intr = rdintr; 548 549 sc->sc_flags = RDF_ALIVE; 550 #ifdef DEBUG 551 /* always report errors */ 552 if (rddebug & RDB_ERROR) 553 rderrthresh = 0; 554 #endif 555 /* 556 * attach the device into the random source list 557 */ 558 rnd_attach_source(&sc->rnd_source, device_xname(sc->sc_dev), 559 RND_TYPE_DISK, RND_FLAG_DEFAULT); 560 } 561 562 static int 563 rdident(device_t parent, struct rd_softc *sc, struct hpibbus_attach_args *ha) 564 { 565 struct cs80_describe desc; 566 uint8_t stat, cmd[3]; 567 char name[7]; 568 int i, id, n, ctlr, slave; 569 570 ctlr = device_unit(parent); 571 slave = ha->ha_slave; 572 573 /* Verify that we have a CS80 device. */ 574 if ((ha->ha_id & 0x200) == 0) 575 return 0; 576 577 /* Is it one of the disks we support? */ 578 for (id = 0; id < numrdidentinfo; id++) 579 if (ha->ha_id == rdidentinfo[id].ri_hwid) 580 break; 581 if (id == numrdidentinfo) 582 return 0; 583 584 /* 585 * The supported dvice ID is probed. 586 * Check if the specified physical unit is actually supported 587 * by brandnew HP-IB emulator devices like HPDisk and HPDrive etc. 588 */ 589 /* 590 * Reset device and collect description 591 */ 592 memset(&desc, 0, sizeof(desc)); 593 stat = 0; 594 rdreset_unit(ctlr, slave, ha->ha_punit); 595 cmd[0] = C_SUNIT(ha->ha_punit); 596 cmd[1] = C_SVOL(0); 597 cmd[2] = C_DESC; 598 hpibsend(ctlr, slave, C_CMD, cmd, sizeof(cmd)); 599 hpibrecv(ctlr, slave, C_EXEC, &desc, sizeof(desc)); 600 hpibrecv(ctlr, slave, C_QSTAT, &stat, sizeof(stat)); 601 602 if (stat != 0 || desc.d_name == 0) { 603 /* 604 * No valid response from the specified punit. 605 * 606 * Note it looks HPDisk responds to commands against 607 * supported but not-configured punits at 1 to 3. 608 */ 609 return 0; 610 } 611 612 /* 613 * If we're just probing for the device, that's all the 614 * work we need to do. 615 */ 616 if (sc == NULL) 617 return 1; 618 619 memset(name, 0, sizeof(name)); 620 n = desc.d_name; 621 for (i = 5; i >= 0; i--) { 622 name[i] = (n & 0xf) + '0'; 623 n >>= 4; 624 } 625 626 #ifdef DEBUG 627 if (rddebug & RDB_IDENT) { 628 aprint_normal("\n"); 629 aprint_normal_dev(sc->sc_dev, "id: 0x%04x, name: %x ('%s')\n", 630 ha->ha_id, desc.d_name, name); 631 aprint_normal(" iuw %x, maxxfr %d, ctype %d\n", 632 desc.d_iuw, desc.d_cmaxxfr, desc.d_ctype); 633 aprint_normal(" utype %d, bps %d, blkbuf %d, burst %d," 634 " blktime %d\n", 635 desc.d_utype, desc.d_sectsize, 636 desc.d_blkbuf, desc.d_burstsize, desc.d_blocktime); 637 aprint_normal(" avxfr %d, ort %d, atp %d, maxint %d, fv %x" 638 ", rv %x\n", 639 desc.d_uavexfr, desc.d_retry, desc.d_access, 640 desc.d_maxint, desc.d_fvbyte, desc.d_rvbyte); 641 aprint_normal(" maxcyl/head/sect %d/%d/%d, maxvsect %d," 642 " inter %d\n", 643 desc.d_maxcyl, desc.d_maxhead, desc.d_maxsect, 644 desc.d_maxvsectl, desc.d_interleave); 645 aprint_normal("%s", device_xname(sc->sc_dev)); 646 } 647 #endif 648 649 /* 650 * Take care of a couple of anomolies: 651 * 1. 7945A, 7946A, and 7941A all return same HW id 652 * 2. 9122S and 9134D both return same HW id 653 * 3. 9122D and 9134L both return same HW id 654 */ 655 switch (ha->ha_id) { 656 case RD7946AID: 657 if (memcmp(name, RD7945ANAME, RDNAMELEN) == 0) 658 id = RD7945A; 659 else if (memcmp(name, RD7941ANAME, RDNAMELEN) == 0) 660 id = RD7941A; 661 else 662 id = RD7946A; 663 break; 664 665 case RD9134LID: 666 if (memcmp(name, RD9134LNAME, RDNAMELEN) == 0) 667 id = RD9134L; 668 else 669 id = RD9122D; 670 break; 671 672 case RD9134DID: 673 if (memcmp(name, RD9122SNAME, RDNAMELEN) == 0) 674 id = RD9122S; 675 else 676 id = RD9134D; 677 break; 678 } 679 680 /* 681 * HPDisk can have independent physical units that are not 682 * corresponding to device IDs. 683 * To handle this, we have to check names in the drive description 684 * data for punit >= 1. 685 */ 686 if (ha->ha_punit >= 1) { 687 for (i = 0; i < numrdname2id; i++) { 688 if (memcmp(name, rdname2id[i].rn_name, 689 RDNAMELEN) == 0) { 690 id = rdname2id[i].rn_id; 691 break; 692 } 693 } 694 } 695 696 sc->sc_type = id; 697 698 return 1; 699 } 700 701 static void 702 rdreset(struct rd_softc *sc) 703 { 704 int ctlr, slave, punit; 705 706 ctlr = device_unit(device_parent(sc->sc_dev)); 707 slave = sc->sc_slave; 708 punit = sc->sc_punit; 709 rdreset_unit(ctlr, slave, punit); 710 #ifdef DEBUG 711 sc->sc_stats.rdresets++; 712 #endif 713 } 714 715 static void 716 rdreset_unit(int ctlr, int slave, int punit) 717 { 718 struct rd_ssmcmd ssmc; 719 struct rd_srcmd src; 720 struct rd_clearcmd clear; 721 uint8_t stat; 722 723 clear.c_unit = C_SUNIT(punit); 724 clear.c_cmd = C_CLEAR; 725 hpibsend(ctlr, slave, C_TCMD, &clear, sizeof(clear)); 726 hpibswait(ctlr, slave); 727 hpibrecv(ctlr, slave, C_QSTAT, &stat, sizeof(stat)); 728 729 src.c_unit = C_SUNIT(RDCTLR); 730 src.c_nop = C_NOP; 731 src.c_cmd = C_SREL; 732 src.c_param = C_REL; 733 hpibsend(ctlr, slave, C_CMD, &src, sizeof(src)); 734 hpibswait(ctlr, slave); 735 hpibrecv(ctlr, slave, C_QSTAT, &stat, sizeof(stat)); 736 737 ssmc.c_unit = C_SUNIT(punit); 738 ssmc.c_cmd = C_SSM; 739 ssmc.c_refm = REF_MASK; 740 ssmc.c_fefm = FEF_MASK; 741 ssmc.c_aefm = AEF_MASK; 742 ssmc.c_iefm = IEF_MASK; 743 hpibsend(ctlr, slave, C_CMD, &ssmc, sizeof(ssmc)); 744 hpibswait(ctlr, slave); 745 hpibrecv(ctlr, slave, C_QSTAT, &stat, sizeof(stat)); 746 } 747 748 static void 749 rd_set_geom(struct rd_softc *sc) 750 { 751 struct disk_geom *dg = &sc->sc_dkdev.dk_geom; 752 const struct rdidentinfo *ri = &rdidentinfo[sc->sc_type]; 753 754 memset(dg, 0, sizeof(*dg)); 755 756 dg->dg_secsize = DEV_BSIZE; 757 dg->dg_nsectors = ri->ri_nbpt; 758 dg->dg_ntracks = ri->ri_ntpc; 759 dg->dg_ncylinders = ri->ri_ncyl; 760 dg->dg_secperunit = ri->ri_nblocks; 761 762 disk_set_info(sc->sc_dev, &sc->sc_dkdev, ri->ri_desc); 763 } 764 765 /* 766 * Read or construct a disklabel 767 */ 768 static int 769 rdgetinfo(dev_t dev) 770 { 771 struct rd_softc *sc = device_lookup_private(&rd_cd, rdunit(dev)); 772 struct disklabel *lp = sc->sc_dkdev.dk_label; 773 struct partition *pi; 774 const char *msg; 775 776 /* 777 * Set some default values to use while reading the label 778 * or to use if there isn't a label. 779 */ 780 memset((void *)lp, 0, sizeof *lp); 781 rdgetdefaultlabel(sc, lp); 782 783 /* 784 * Now try to read the disklabel 785 */ 786 msg = readdisklabel(rdlabdev(dev), rdstrategy, lp, NULL); 787 if (msg == NULL) 788 return 0; 789 790 pi = lp->d_partitions; 791 printf("%s: WARNING: %s\n", device_xname(sc->sc_dev), msg); 792 793 pi[RAW_PART].p_size = rdidentinfo[sc->sc_type].ri_nblocks; 794 /* XXX reset other info since readdisklabel screws with it */ 795 lp->d_npartitions = 3; 796 pi[0].p_size = 0; 797 798 return 0; 799 } 800 801 static int 802 rdopen(dev_t dev, int flags, int mode, struct lwp *l) 803 { 804 struct rd_softc *sc; 805 int error, mask, part; 806 807 sc = device_lookup_private(&rd_cd, rdunit(dev)); 808 if (sc == NULL) 809 return ENXIO; 810 811 if ((sc->sc_flags & RDF_ALIVE) == 0) 812 return ENXIO; 813 814 /* 815 * Wait for any pending opens/closes to complete 816 */ 817 while (sc->sc_flags & (RDF_OPENING|RDF_CLOSING)) 818 (void) tsleep(sc, PRIBIO, "rdopen", 0); 819 820 /* 821 * On first open, get label and partition info. 822 * We may block reading the label, so be careful 823 * to stop any other opens. 824 */ 825 if (sc->sc_dkdev.dk_openmask == 0) { 826 sc->sc_flags |= RDF_OPENING; 827 error = rdgetinfo(dev); 828 sc->sc_flags &= ~RDF_OPENING; 829 wakeup((void *)sc); 830 if (error) 831 return error; 832 } 833 834 part = rdpart(dev); 835 mask = 1 << part; 836 837 /* Check that the partition exists. */ 838 if (part != RAW_PART && 839 (part > sc->sc_dkdev.dk_label->d_npartitions || 840 sc->sc_dkdev.dk_label->d_partitions[part].p_fstype == FS_UNUSED)) 841 return ENXIO; 842 843 /* Ensure only one open at a time. */ 844 switch (mode) { 845 case S_IFCHR: 846 sc->sc_dkdev.dk_copenmask |= mask; 847 break; 848 case S_IFBLK: 849 sc->sc_dkdev.dk_bopenmask |= mask; 850 break; 851 } 852 sc->sc_dkdev.dk_openmask = 853 sc->sc_dkdev.dk_copenmask | sc->sc_dkdev.dk_bopenmask; 854 855 return 0; 856 } 857 858 static int 859 rdclose(dev_t dev, int flag, int mode, struct lwp *l) 860 { 861 struct rd_softc *sc = device_lookup_private(&rd_cd, rdunit(dev)); 862 struct disk *dk = &sc->sc_dkdev; 863 int mask, s; 864 865 mask = 1 << rdpart(dev); 866 if (mode == S_IFCHR) 867 dk->dk_copenmask &= ~mask; 868 else 869 dk->dk_bopenmask &= ~mask; 870 dk->dk_openmask = dk->dk_copenmask | dk->dk_bopenmask; 871 /* 872 * On last close, we wait for all activity to cease since 873 * the label/partition info will become invalid. Since we 874 * might sleep, we must block any opens while we are here. 875 * Note we don't have to about other closes since we know 876 * we are the last one. 877 */ 878 if (dk->dk_openmask == 0) { 879 sc->sc_flags |= RDF_CLOSING; 880 s = splbio(); 881 while (sc->sc_active) { 882 sc->sc_flags |= RDF_WANTED; 883 (void) tsleep(&sc->sc_tab, PRIBIO, "rdclose", 0); 884 } 885 splx(s); 886 sc->sc_flags &= ~(RDF_CLOSING|RDF_WLABEL); 887 wakeup((void *)sc); 888 } 889 return 0; 890 } 891 892 static void 893 rdstrategy(struct buf *bp) 894 { 895 struct rd_softc *sc = device_lookup_private(&rd_cd, rdunit(bp->b_dev)); 896 struct partition *pinfo; 897 daddr_t bn; 898 int s; 899 int offset; 900 901 #ifdef DEBUG 902 if (rddebug & RDB_FOLLOW) 903 printf("rdstrategy(%p): dev %"PRIx64", bn %llx, bcount %x, %c\n", 904 bp, bp->b_dev, bp->b_blkno, bp->b_bcount, 905 (bp->b_flags & B_READ) ? 'R' : 'W'); 906 #endif 907 bn = bp->b_blkno; 908 pinfo = &sc->sc_dkdev.dk_label->d_partitions[rdpart(bp->b_dev)]; 909 910 /* Don't perform partition translation on RAW_PART. */ 911 offset = (rdpart(bp->b_dev) == RAW_PART) ? 0 : pinfo->p_offset; 912 913 if (rdpart(bp->b_dev) == RAW_PART) { 914 if (bounds_check_with_mediasize(bp, DEV_BSIZE, 915 rdidentinfo[sc->sc_type].ri_nblocks) <= 0) 916 goto done; 917 } else { 918 if (bounds_check_with_label(&sc->sc_dkdev, bp, 919 (sc->sc_flags & RDF_WLABEL) != 0) <= 0) 920 goto done; 921 } 922 bp->b_rawblkno = bn + offset; 923 s = splbio(); 924 bufq_put(sc->sc_tab, bp); 925 if (sc->sc_active == 0) { 926 sc->sc_active = 1; 927 rdustart(sc); 928 } 929 splx(s); 930 return; 931 done: 932 biodone(bp); 933 } 934 935 /* 936 * Called from timeout() when handling maintenance releases 937 */ 938 static void 939 rdrestart(void *arg) 940 { 941 int s = splbio(); 942 rdustart((struct rd_softc *)arg); 943 splx(s); 944 } 945 946 static void 947 rdustart(struct rd_softc *sc) 948 { 949 struct buf *bp; 950 951 bp = bufq_peek(sc->sc_tab); 952 sc->sc_addr = bp->b_data; 953 sc->sc_resid = bp->b_bcount; 954 if (hpibreq(device_parent(sc->sc_dev), &sc->sc_hq)) 955 rdstart(sc); 956 } 957 958 static struct buf * 959 rdfinish(struct rd_softc *sc, struct buf *bp) 960 { 961 962 sc->sc_errcnt = 0; 963 (void)bufq_get(sc->sc_tab); 964 bp->b_resid = 0; 965 biodone(bp); 966 hpibfree(device_parent(sc->sc_dev), &sc->sc_hq); 967 if ((bp = bufq_peek(sc->sc_tab)) != NULL) 968 return bp; 969 sc->sc_active = 0; 970 if (sc->sc_flags & RDF_WANTED) { 971 sc->sc_flags &= ~RDF_WANTED; 972 wakeup((void *)&sc->sc_tab); 973 } 974 return NULL; 975 } 976 977 static void 978 rdstart(void *arg) 979 { 980 struct rd_softc *sc = arg; 981 struct buf *bp = bufq_peek(sc->sc_tab); 982 int ctlr, slave; 983 984 ctlr = device_unit(device_parent(sc->sc_dev)); 985 slave = sc->sc_slave; 986 987 again: 988 #ifdef DEBUG 989 if (rddebug & RDB_FOLLOW) 990 printf("rdstart(%s): bp %p, %c\n", device_xname(sc->sc_dev), bp, 991 (bp->b_flags & B_READ) ? 'R' : 'W'); 992 #endif 993 sc->sc_flags |= RDF_SEEK; 994 sc->sc_ioc.c_unit = C_SUNIT(sc->sc_punit); 995 sc->sc_ioc.c_volume = C_SVOL(0); 996 sc->sc_ioc.c_saddr = C_SADDR; 997 sc->sc_ioc.c_hiaddr = 0; 998 sc->sc_ioc.c_addr = RDBTOS(bp->b_rawblkno); 999 sc->sc_ioc.c_nop2 = C_NOP; 1000 sc->sc_ioc.c_slen = C_SLEN; 1001 sc->sc_ioc.c_len = sc->sc_resid; 1002 sc->sc_ioc.c_cmd = bp->b_flags & B_READ ? C_READ : C_WRITE; 1003 #ifdef DEBUG 1004 if (rddebug & RDB_IO) 1005 printf("rdstart: hpibsend(%x, %x, %x, %p, %x)\n", 1006 ctlr, slave, C_CMD, 1007 &sc->sc_ioc.c_unit, sizeof(sc->sc_ioc) - 2); 1008 #endif 1009 if (hpibsend(ctlr, slave, C_CMD, &sc->sc_ioc.c_unit, 1010 sizeof(sc->sc_ioc) - 2) == sizeof(sc->sc_ioc) - 2) { 1011 1012 /* Instrumentation. */ 1013 disk_busy(&sc->sc_dkdev); 1014 iostat_seek(sc->sc_dkdev.dk_stats); 1015 1016 #ifdef DEBUG 1017 if (rddebug & RDB_IO) 1018 printf("rdstart: hpibawait(%x)\n", ctlr); 1019 #endif 1020 hpibawait(ctlr); 1021 return; 1022 } 1023 /* 1024 * Experience has shown that the hpibwait in this hpibsend will 1025 * occasionally timeout. It appears to occur mostly on old 7914 1026 * drives with full maintenance tracks. We should probably 1027 * integrate this with the backoff code in rderror. 1028 */ 1029 #ifdef DEBUG 1030 if (rddebug & RDB_ERROR) 1031 printf("%s: rdstart: cmd %x adr %x blk %lld len %d ecnt %d\n", 1032 device_xname(sc->sc_dev), 1033 sc->sc_ioc.c_cmd, sc->sc_ioc.c_addr, 1034 bp->b_blkno, sc->sc_resid, sc->sc_errcnt); 1035 sc->sc_stats.rdretries++; 1036 #endif 1037 sc->sc_flags &= ~RDF_SEEK; 1038 rdreset(sc); 1039 if (sc->sc_errcnt++ < RDRETRY) 1040 goto again; 1041 printf("%s: rdstart err: cmd 0x%x sect %u blk %" PRId64 " len %d\n", 1042 device_xname(sc->sc_dev), sc->sc_ioc.c_cmd, sc->sc_ioc.c_addr, 1043 bp->b_blkno, sc->sc_resid); 1044 bp->b_error = EIO; 1045 bp = rdfinish(sc, bp); 1046 if (bp) { 1047 sc->sc_addr = bp->b_data; 1048 sc->sc_resid = bp->b_bcount; 1049 if (hpibreq(device_parent(sc->sc_dev), &sc->sc_hq)) 1050 goto again; 1051 } 1052 } 1053 1054 static void 1055 rdgo(void *arg) 1056 { 1057 struct rd_softc *sc = arg; 1058 struct buf *bp = bufq_peek(sc->sc_tab); 1059 int rw, ctlr, slave; 1060 1061 ctlr = device_unit(device_parent(sc->sc_dev)); 1062 slave = sc->sc_slave; 1063 1064 rw = bp->b_flags & B_READ; 1065 1066 /* Instrumentation. */ 1067 disk_busy(&sc->sc_dkdev); 1068 1069 #ifdef USELEDS 1070 ledcontrol(0, 0, LED_DISK); 1071 #endif 1072 hpibgo(ctlr, slave, C_EXEC, sc->sc_addr, sc->sc_resid, rw, rw != 0); 1073 } 1074 1075 /* ARGSUSED */ 1076 static void 1077 rdintr(void *arg) 1078 { 1079 struct rd_softc *sc = arg; 1080 int unit = device_unit(sc->sc_dev); 1081 struct buf *bp = bufq_peek(sc->sc_tab); 1082 uint8_t stat = 13; /* in case hpibrecv fails */ 1083 int rv, restart, ctlr, slave; 1084 1085 ctlr = device_unit(device_parent(sc->sc_dev)); 1086 slave = sc->sc_slave; 1087 1088 #ifdef DEBUG 1089 if (rddebug & RDB_FOLLOW) 1090 printf("rdintr(%d): bp %p, %c, flags %x\n", unit, bp, 1091 (bp->b_flags & B_READ) ? 'R' : 'W', sc->sc_flags); 1092 if (bp == NULL) { 1093 printf("%s: bp == NULL\n", device_xname(sc->sc_dev)); 1094 return; 1095 } 1096 #endif 1097 disk_unbusy(&sc->sc_dkdev, (bp->b_bcount - bp->b_resid), 1098 (bp->b_flags & B_READ)); 1099 1100 if (sc->sc_flags & RDF_SEEK) { 1101 sc->sc_flags &= ~RDF_SEEK; 1102 if (hpibustart(ctlr)) 1103 rdgo(sc); 1104 return; 1105 } 1106 if ((sc->sc_flags & RDF_SWAIT) == 0) { 1107 #ifdef DEBUG 1108 sc->sc_stats.rdpolltries++; 1109 #endif 1110 if (hpibpptest(ctlr, slave) == 0) { 1111 #ifdef DEBUG 1112 sc->sc_stats.rdpollwaits++; 1113 #endif 1114 1115 /* Instrumentation. */ 1116 disk_busy(&sc->sc_dkdev); 1117 sc->sc_flags |= RDF_SWAIT; 1118 hpibawait(ctlr); 1119 return; 1120 } 1121 } else 1122 sc->sc_flags &= ~RDF_SWAIT; 1123 rv = hpibrecv(ctlr, slave, C_QSTAT, &stat, 1); 1124 if (rv != 1 || stat) { 1125 #ifdef DEBUG 1126 if (rddebug & RDB_ERROR) 1127 printf("rdintr: recv failed or bad stat %d\n", stat); 1128 #endif 1129 restart = rderror(unit); 1130 #ifdef DEBUG 1131 sc->sc_stats.rdretries++; 1132 #endif 1133 if (sc->sc_errcnt++ < RDRETRY) { 1134 if (restart) 1135 rdstart(sc); 1136 return; 1137 } 1138 bp->b_error = EIO; 1139 } 1140 if (rdfinish(sc, bp)) 1141 rdustart(sc); 1142 rnd_add_uint32(&sc->rnd_source, bp->b_blkno); 1143 } 1144 1145 static int 1146 rdstatus(struct rd_softc *sc) 1147 { 1148 int c, s; 1149 uint8_t stat; 1150 int rv; 1151 1152 c = device_unit(device_parent(sc->sc_dev)); 1153 s = sc->sc_slave; 1154 sc->sc_rsc.c_unit = C_SUNIT(sc->sc_punit); 1155 sc->sc_rsc.c_sram = C_SRAM; 1156 sc->sc_rsc.c_ram = C_RAM; 1157 sc->sc_rsc.c_cmd = C_STATUS; 1158 memset((void *)&sc->sc_stat, 0, sizeof(sc->sc_stat)); 1159 rv = hpibsend(c, s, C_CMD, &sc->sc_rsc, sizeof(sc->sc_rsc)); 1160 if (rv != sizeof(sc->sc_rsc)) { 1161 #ifdef DEBUG 1162 if (rddebug & RDB_STATUS) 1163 printf("rdstatus: send C_CMD failed %d != %d\n", 1164 rv, sizeof(sc->sc_rsc)); 1165 #endif 1166 return 1; 1167 } 1168 rv = hpibrecv(c, s, C_EXEC, &sc->sc_stat, sizeof(sc->sc_stat)); 1169 if (rv != sizeof(sc->sc_stat)) { 1170 #ifdef DEBUG 1171 if (rddebug & RDB_STATUS) 1172 printf("rdstatus: send C_EXEC failed %d != %d\n", 1173 rv, sizeof(sc->sc_stat)); 1174 #endif 1175 return 1; 1176 } 1177 rv = hpibrecv(c, s, C_QSTAT, &stat, 1); 1178 if (rv != 1 || stat) { 1179 #ifdef DEBUG 1180 if (rddebug & RDB_STATUS) 1181 printf("rdstatus: recv failed %d or bad stat %d\n", 1182 rv, stat); 1183 #endif 1184 return 1; 1185 } 1186 return 0; 1187 } 1188 1189 /* 1190 * Deal with errors. 1191 * Returns 1 if request should be restarted, 1192 * 0 if we should just quietly give up. 1193 */ 1194 static int 1195 rderror(int unit) 1196 { 1197 struct rd_softc *sc = device_lookup_private(&rd_cd,unit); 1198 struct rd_stat *sp; 1199 struct buf *bp; 1200 daddr_t hwbn, pbn; 1201 1202 if (rdstatus(sc)) { 1203 #ifdef DEBUG 1204 printf("%s: couldn't get status\n", device_xname(sc->sc_dev)); 1205 #endif 1206 rdreset(sc); 1207 return 1; 1208 } 1209 sp = &sc->sc_stat; 1210 if (sp->c_fef & FEF_REXMT) 1211 return 1; 1212 if (sp->c_fef & FEF_PF) { 1213 rdreset(sc); 1214 return 1; 1215 } 1216 /* 1217 * Unit requests release for internal maintenance. 1218 * We just delay awhile and try again later. Use expontially 1219 * increasing backoff ala ethernet drivers since we don't really 1220 * know how long the maintenance will take. With RDWAITC and 1221 * RDRETRY as defined, the range is 1 to 32 seconds. 1222 */ 1223 if (sp->c_fef & FEF_IMR) { 1224 int rdtimo = RDWAITC << sc->sc_errcnt; 1225 #ifdef DEBUG 1226 printf("%s: internal maintenance, %d second timeout\n", 1227 device_xname(sc->sc_dev), rdtimo); 1228 sc->sc_stats.rdtimeouts++; 1229 #endif 1230 hpibfree(device_parent(sc->sc_dev), &sc->sc_hq); 1231 callout_reset(&sc->sc_restart_ch, rdtimo * hz, rdrestart, sc); 1232 return 0; 1233 } 1234 /* 1235 * Only report error if we have reached the error reporting 1236 * threshold. By default, this will only report after the 1237 * retry limit has been exceeded. 1238 */ 1239 if (sc->sc_errcnt < rderrthresh) 1240 return 1; 1241 1242 /* 1243 * First conjure up the block number at which the error occurred. 1244 * Note that not all errors report a block number, in that case 1245 * we just use b_blkno. 1246 */ 1247 bp = bufq_peek(sc->sc_tab); 1248 pbn = sc->sc_dkdev.dk_label->d_partitions[rdpart(bp->b_dev)].p_offset; 1249 if ((sp->c_fef & FEF_CU) || (sp->c_fef & FEF_DR) || 1250 (sp->c_ief & IEF_RRMASK)) { 1251 hwbn = RDBTOS(pbn + bp->b_blkno); 1252 pbn = bp->b_blkno; 1253 } else { 1254 hwbn = sp->c_blk; 1255 pbn = RDSTOB(hwbn) - pbn; 1256 } 1257 /* 1258 * Now output a generic message suitable for badsect. 1259 * Note that we don't use harderr cuz it just prints 1260 * out b_blkno which is just the beginning block number 1261 * of the transfer, not necessary where the error occurred. 1262 */ 1263 printf("%s%c: hard error sn%" PRId64 "\n", device_xname(sc->sc_dev), 1264 'a'+rdpart(bp->b_dev), pbn); 1265 /* 1266 * Now report the status as returned by the hardware with 1267 * attempt at interpretation (unless debugging). 1268 */ 1269 printf("%s %s error:", device_xname(sc->sc_dev), 1270 (bp->b_flags & B_READ) ? "read" : "write"); 1271 #ifdef DEBUG 1272 if (rddebug & RDB_ERROR) { 1273 /* status info */ 1274 printf("\n volume: %d, unit: %d\n", 1275 (sp->c_vu>>4)&0xF, sp->c_vu&0xF); 1276 rdprinterr("reject", sp->c_ref, err_reject); 1277 rdprinterr("fault", sp->c_fef, err_fault); 1278 rdprinterr("access", sp->c_aef, err_access); 1279 rdprinterr("info", sp->c_ief, err_info); 1280 printf(" block: %lld, P1-P10: ", hwbn); 1281 printf("0x%x", *(uint32_t *)&sp->c_raw[0]); 1282 printf("0x%x", *(uint32_t *)&sp->c_raw[4]); 1283 printf("0x%x\n", *(uint16_t *)&sp->c_raw[8]); 1284 /* command */ 1285 printf(" ioc: "); 1286 printf("0x%x", *(uint32_t *)&sc->sc_ioc.c_pad); 1287 printf("0x%x", *(uint16_t *)&sc->sc_ioc.c_hiaddr); 1288 printf("0x%x", *(uint32_t *)&sc->sc_ioc.c_addr); 1289 printf("0x%x", *(uint16_t *)&sc->sc_ioc.c_nop2); 1290 printf("0x%x", *(uint32_t *)&sc->sc_ioc.c_len); 1291 printf("0x%x\n", *(uint16_t *)&sc->sc_ioc.c_cmd); 1292 return 1; 1293 } 1294 #endif 1295 printf(" v%d u%d, R0x%x F0x%x A0x%x I0x%x\n", 1296 (sp->c_vu>>4)&0xF, sp->c_vu&0xF, 1297 sp->c_ref, sp->c_fef, sp->c_aef, sp->c_ief); 1298 printf("P1-P10: "); 1299 printf("0x%x", *(uint32_t *)&sp->c_raw[0]); 1300 printf("0x%x", *(uint32_t *)&sp->c_raw[4]); 1301 printf("0x%x\n", *(uint16_t *)&sp->c_raw[8]); 1302 return 1; 1303 } 1304 1305 static int 1306 rdread(dev_t dev, struct uio *uio, int flags) 1307 { 1308 1309 return physio(rdstrategy, NULL, dev, B_READ, minphys, uio); 1310 } 1311 1312 static int 1313 rdwrite(dev_t dev, struct uio *uio, int flags) 1314 { 1315 1316 return physio(rdstrategy, NULL, dev, B_WRITE, minphys, uio); 1317 } 1318 1319 static int 1320 rdioctl(dev_t dev, u_long cmd, void *data, int flag, struct lwp *l) 1321 { 1322 struct rd_softc *sc = device_lookup_private(&rd_cd, rdunit(dev)); 1323 struct disklabel *lp = sc->sc_dkdev.dk_label; 1324 int error, flags; 1325 1326 error = disk_ioctl(&sc->sc_dkdev, dev, cmd, data, flag, l); 1327 if (error != EPASSTHROUGH) 1328 return error; 1329 1330 switch (cmd) { 1331 case DIOCWLABEL: 1332 if ((flag & FWRITE) == 0) 1333 return EBADF; 1334 if (*(int *)data) 1335 sc->sc_flags |= RDF_WLABEL; 1336 else 1337 sc->sc_flags &= ~RDF_WLABEL; 1338 return 0; 1339 1340 case DIOCSDINFO: 1341 if ((flag & FWRITE) == 0) 1342 return EBADF; 1343 return setdisklabel(lp, (struct disklabel *)data, 1344 (sc->sc_flags & RDF_WLABEL) ? 0 : sc->sc_dkdev.dk_openmask, 1345 NULL); 1346 1347 case DIOCWDINFO: 1348 if ((flag & FWRITE) == 0) 1349 return EBADF; 1350 error = setdisklabel(lp, (struct disklabel *)data, 1351 (sc->sc_flags & RDF_WLABEL) ? 0 : sc->sc_dkdev.dk_openmask, 1352 NULL); 1353 if (error) 1354 return error; 1355 flags = sc->sc_flags; 1356 sc->sc_flags = RDF_ALIVE | RDF_WLABEL; 1357 error = writedisklabel(rdlabdev(dev), rdstrategy, lp, NULL); 1358 sc->sc_flags = flags; 1359 return error; 1360 1361 case DIOCGDEFLABEL: 1362 rdgetdefaultlabel(sc, (struct disklabel *)data); 1363 return 0; 1364 } 1365 return EINVAL; 1366 } 1367 1368 static void 1369 rdgetdefaultlabel(struct rd_softc *sc, struct disklabel *lp) 1370 { 1371 int type = sc->sc_type; 1372 1373 memset((void *)lp, 0, sizeof(struct disklabel)); 1374 1375 lp->d_type = DKTYPE_HPIB; 1376 lp->d_secsize = DEV_BSIZE; 1377 lp->d_nsectors = rdidentinfo[type].ri_nbpt; 1378 lp->d_ntracks = rdidentinfo[type].ri_ntpc; 1379 lp->d_ncylinders = rdidentinfo[type].ri_ncyl; 1380 lp->d_secperunit = rdidentinfo[type].ri_nblocks; 1381 lp->d_secpercyl = lp->d_ntracks * lp->d_nsectors; 1382 1383 strlcpy(lp->d_typename, rdidentinfo[type].ri_desc, 1384 sizeof(lp->d_typename)); 1385 strlcpy(lp->d_packname, "fictitious", sizeof(lp->d_packname)); 1386 lp->d_rpm = 3000; 1387 lp->d_interleave = 1; 1388 lp->d_flags = 0; 1389 1390 lp->d_partitions[RAW_PART].p_offset = 0; 1391 lp->d_partitions[RAW_PART].p_size = 1392 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 1393 lp->d_partitions[RAW_PART].p_fstype = FS_UNUSED; 1394 lp->d_npartitions = RAW_PART + 1; 1395 1396 lp->d_magic = DISKMAGIC; 1397 lp->d_magic2 = DISKMAGIC; 1398 lp->d_checksum = dkcksum(lp); 1399 } 1400 1401 int 1402 rdsize(dev_t dev) 1403 { 1404 struct rd_softc *sc; 1405 int psize, didopen = 0; 1406 1407 sc = device_lookup_private(&rd_cd, rdunit(dev)); 1408 if (sc == NULL) 1409 return ENXIO; 1410 1411 if ((sc->sc_flags & RDF_ALIVE) == 0) 1412 return ENXIO; 1413 1414 /* 1415 * We get called very early on (via swapconf) 1416 * without the device being open so we may need 1417 * to handle it here. 1418 */ 1419 if (sc->sc_dkdev.dk_openmask == 0) { 1420 if (rdopen(dev, FREAD|FWRITE, S_IFBLK, NULL)) 1421 return -1; 1422 didopen = 1; 1423 } 1424 psize = sc->sc_dkdev.dk_label->d_partitions[rdpart(dev)].p_size * 1425 (sc->sc_dkdev.dk_label->d_secsize / DEV_BSIZE); 1426 if (didopen) 1427 (void)rdclose(dev, FREAD|FWRITE, S_IFBLK, NULL); 1428 return psize; 1429 } 1430 1431 #ifdef DEBUG 1432 static void 1433 rdprinterr(const char *str, short err, const char **tab) 1434 { 1435 int i; 1436 int printed; 1437 1438 if (err == 0) 1439 return; 1440 printf(" %s error %d field:", str, err); 1441 printed = 0; 1442 for (i = 0; i < 16; i++) 1443 if (err & (0x8000 >> i)) 1444 printf("%s%s", printed++ ? " + " : " ", tab[i]); 1445 printf("\n"); 1446 } 1447 #endif 1448 1449 static int rddoingadump; /* simple mutex */ 1450 1451 /* 1452 * Non-interrupt driven, non-DMA dump routine. 1453 */ 1454 static int 1455 rddump(dev_t dev, daddr_t blkno, void *va, size_t size) 1456 { 1457 int sectorsize; /* size of a disk sector */ 1458 int nsects; /* number of sectors in partition */ 1459 int sectoff; /* sector offset of partition */ 1460 int totwrt; /* total number of sectors left to write */ 1461 int nwrt; /* current number of sectors to write */ 1462 int part; 1463 int ctlr, slave; 1464 struct rd_softc *sc; 1465 struct disklabel *lp; 1466 char stat; 1467 1468 /* Check for recursive dump; if so, punt. */ 1469 if (rddoingadump) 1470 return EFAULT; 1471 rddoingadump = 1; 1472 1473 /* Decompose unit and partition. */ 1474 part = rdpart(dev); 1475 1476 /* Make sure dump device is ok. */ 1477 sc = device_lookup_private(&rd_cd, rdunit(dev)); 1478 if (sc == NULL) 1479 return ENXIO; 1480 1481 if ((sc->sc_flags & RDF_ALIVE) == 0) 1482 return ENXIO; 1483 1484 ctlr = device_unit(device_parent(sc->sc_dev)); 1485 slave = sc->sc_slave; 1486 1487 /* 1488 * Convert to disk sectors. Request must be a multiple of size. 1489 */ 1490 lp = sc->sc_dkdev.dk_label; 1491 sectorsize = lp->d_secsize; 1492 if ((size % sectorsize) != 0) 1493 return EFAULT; 1494 totwrt = size / sectorsize; 1495 blkno = dbtob(blkno) / sectorsize; /* blkno in DEV_BSIZE units */ 1496 1497 nsects = lp->d_partitions[part].p_size; 1498 sectoff = lp->d_partitions[part].p_offset; 1499 1500 /* Check transfer bounds against partition size. */ 1501 if ((blkno < 0) || (blkno + totwrt) > nsects) 1502 return EINVAL; 1503 1504 /* Offset block number to start of partition. */ 1505 blkno += sectoff; 1506 1507 while (totwrt > 0) { 1508 nwrt = totwrt; /* XXX */ 1509 #ifndef RD_DUMP_NOT_TRUSTED 1510 /* 1511 * Fill out and send HPIB command. 1512 */ 1513 sc->sc_ioc.c_unit = C_SUNIT(sc->sc_punit); 1514 sc->sc_ioc.c_volume = C_SVOL(0); 1515 sc->sc_ioc.c_saddr = C_SADDR; 1516 sc->sc_ioc.c_hiaddr = 0; 1517 sc->sc_ioc.c_addr = RDBTOS(blkno); 1518 sc->sc_ioc.c_nop2 = C_NOP; 1519 sc->sc_ioc.c_slen = C_SLEN; 1520 sc->sc_ioc.c_len = nwrt * sectorsize; 1521 sc->sc_ioc.c_cmd = C_WRITE; 1522 hpibsend(ctlr, slave, C_CMD, &sc->sc_ioc.c_unit, 1523 sizeof(sc->sc_ioc) - 2); 1524 if (hpibswait(ctlr, slave)) 1525 return EIO; 1526 1527 /* 1528 * Send the data. 1529 */ 1530 hpibsend(ctlr, slave, C_EXEC, va, nwrt * sectorsize); 1531 (void) hpibswait(ctlr, slave); 1532 hpibrecv(ctlr, slave, C_QSTAT, &stat, 1); 1533 if (stat) 1534 return EIO; 1535 #else /* RD_DUMP_NOT_TRUSTED */ 1536 /* Let's just talk about this first... */ 1537 printf("%s: dump addr %p, blk %d\n", device_xname(sc->sc_dev), 1538 va, blkno); 1539 delay(500 * 1000); /* half a second */ 1540 #endif /* RD_DUMP_NOT_TRUSTED */ 1541 1542 /* update block count */ 1543 totwrt -= nwrt; 1544 blkno += nwrt; 1545 va = (char *)va + sectorsize * nwrt; 1546 } 1547 rddoingadump = 0; 1548 return 0; 1549 } 1550
Indexes created Tue Sep 30 20:09:53 GMT 2025