dpti.c revision 1.42.4.1
1 /* $NetBSD: dpti.c,v 1.42.4.1 2011/03/05 20:53:11 rmind Exp $ */ 2 3 /*- 4 * Copyright (c) 2001, 2007 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Andrew Doran. 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) 1996-2000 Distributed Processing Technology Corporation 34 * Copyright (c) 2000 Adaptec Corporation 35 * All rights reserved. 36 * 37 * TERMS AND CONDITIONS OF USE 38 * 39 * Redistribution and use in source form, with or without modification, are 40 * permitted provided that redistributions of source code must retain the 41 * above copyright notice, this list of conditions and the following disclaimer. 42 * 43 * This software is provided `as is' by Adaptec and any express or implied 44 * warranties, including, but not limited to, the implied warranties of 45 * merchantability and fitness for a particular purpose, are disclaimed. In no 46 * event shall Adaptec be liable for any direct, indirect, incidental, special, 47 * exemplary or consequential damages (including, but not limited to, 48 * procurement of substitute goods or services; loss of use, data, or profits; 49 * or business interruptions) however caused and on any theory of liability, 50 * whether in contract, strict liability, or tort (including negligence or 51 * otherwise) arising in any way out of the use of this driver software, even 52 * if advised of the possibility of such damage. 53 */ 54 55 /* 56 * Adaptec/DPT I2O control interface. 57 */ 58 59 #include <sys/cdefs.h> 60 __KERNEL_RCSID(0, "$NetBSD: dpti.c,v 1.42.4.1 2011/03/05 20:53:11 rmind Exp $"); 61 62 #include <sys/param.h> 63 #include <sys/systm.h> 64 #include <sys/kernel.h> 65 #include <sys/device.h> 66 #include <sys/queue.h> 67 #include <sys/proc.h> 68 #include <sys/endian.h> 69 #include <sys/malloc.h> 70 #include <sys/conf.h> 71 #include <sys/ioctl.h> 72 #include <sys/kauth.h> 73 74 #include <sys/bus.h> 75 #ifdef __i386__ 76 #include <machine/pio.h> 77 #include <machine/cputypes.h> 78 #endif 79 80 #include <dev/i2o/i2o.h> 81 #include <dev/i2o/i2odpt.h> 82 #include <dev/i2o/iopio.h> 83 #include <dev/i2o/iopvar.h> 84 #include <dev/i2o/dptivar.h> 85 86 #ifdef I2ODEBUG 87 #define DPRINTF(x) printf x 88 #else 89 #define DPRINTF(x) 90 #endif 91 92 static struct dpt_sig dpti_sig = { 93 { 'd', 'P', 't', 'S', 'i', 'G'}, 94 SIG_VERSION, 95 #if defined(__i386__) 96 PROC_INTEL, 97 #elif defined(__powerpc__) 98 PROC_POWERPC, 99 #elif defined(__alpha__) 100 PROC_ALPHA, 101 #elif defined(__mips__) 102 PROC_MIPS, 103 #elif defined(__sparc64__) 104 PROC_ULTRASPARC, 105 #endif 106 #if defined(__i386__) 107 PROC_386 | PROC_486 | PROC_PENTIUM | PROC_SEXIUM, 108 #else 109 0, 110 #endif 111 FT_HBADRVR, 112 0, 113 OEM_DPT, 114 OS_FREE_BSD, /* XXX */ 115 CAP_ABOVE16MB, 116 DEV_ALL, 117 ADF_ALL_SC5, 118 0, 119 0, 120 DPTI_VERSION, 121 DPTI_REVISION, 122 DPTI_SUBREVISION, 123 DPTI_MONTH, 124 DPTI_DAY, 125 DPTI_YEAR, 126 "" /* Will be filled later */ 127 }; 128 129 void dpti_attach(device_t, device_t, void *); 130 int dpti_blinkled(struct dpti_softc *); 131 int dpti_ctlrinfo(struct dpti_softc *, int, void *); 132 int dpti_match(device_t, cfdata_t, void *); 133 int dpti_passthrough(struct dpti_softc *, void *, struct proc *); 134 int dpti_sysinfo(struct dpti_softc *, int, void *); 135 136 dev_type_open(dptiopen); 137 dev_type_ioctl(dptiioctl); 138 139 const struct cdevsw dpti_cdevsw = { 140 dptiopen, nullclose, noread, nowrite, dptiioctl, 141 nostop, notty, nopoll, nommap, nokqfilter, D_OTHER, 142 }; 143 144 extern struct cfdriver dpti_cd; 145 146 CFATTACH_DECL(dpti, sizeof(struct dpti_softc), 147 dpti_match, dpti_attach, NULL, NULL); 148 149 int 150 dpti_match(device_t parent, cfdata_t match, void *aux) 151 { 152 struct iop_attach_args *ia; 153 struct iop_softc *iop; 154 155 ia = aux; 156 iop = (struct iop_softc *)parent; 157 158 if (ia->ia_class != I2O_CLASS_ANY || ia->ia_tid != I2O_TID_IOP) 159 return (0); 160 161 if (le16toh(iop->sc_status.orgid) != I2O_ORG_DPT) 162 return (0); 163 164 return (1); 165 } 166 167 void 168 dpti_attach(device_t parent, device_t self, void *aux) 169 { 170 struct iop_softc *iop; 171 struct dpti_softc *sc; 172 struct { 173 struct i2o_param_op_results pr; 174 struct i2o_param_read_results prr; 175 struct i2o_dpt_param_exec_iop_buffers dib; 176 } __packed param; 177 int rv; 178 179 sc = device_private(self); 180 iop = device_private(parent); 181 182 /* 183 * Tell the world what we are. The description in the signature 184 * must be no more than 46 bytes long (see dptivar.h). 185 */ 186 printf(": DPT/Adaptec RAID management interface\n"); 187 snprintf(dpti_sig.dsDescription, sizeof(dpti_sig.dsDescription), 188 "NetBSD %s I2O OSM", osrelease); 189 190 rv = iop_field_get_all(iop, I2O_TID_IOP, 191 I2O_DPT_PARAM_EXEC_IOP_BUFFERS, ¶m, 192 sizeof(param), NULL); 193 if (rv != 0) 194 return; 195 196 sc->sc_blinkled = le32toh(param.dib.serialoutputoff) + 8; 197 } 198 199 int 200 dptiopen(dev_t dev, int flag, int mode, 201 struct lwp *l) 202 { 203 204 if (device_lookup(&dpti_cd, minor(dev)) == NULL) 205 return (ENXIO); 206 207 return (0); 208 } 209 210 int 211 dptiioctl(dev_t dev, u_long cmd, void *data, int flag, struct lwp *l) 212 { 213 struct iop_softc *iop; 214 struct dpti_softc *sc; 215 struct ioctl_pt *pt; 216 int i, size, rv, linux; 217 218 sc = device_lookup_private(&dpti_cd, minor(dev)); 219 iop = (struct iop_softc *)device_parent(&sc->sc_dv); 220 rv = 0; 221 222 if (cmd == PTIOCLINUX) { 223 pt = (struct ioctl_pt *)data; 224 size = IOCPARM_LEN(pt->com); 225 cmd = pt->com & 0xffff; 226 data = pt->data; 227 linux = 1; 228 } else { 229 size = IOCPARM_LEN(cmd); 230 cmd = cmd & 0xffff; 231 linux = 0; 232 } 233 234 switch (cmd) { 235 case DPT_SIGNATURE: 236 if (size > sizeof(dpti_sig)) 237 size = sizeof(dpti_sig); 238 memcpy(data, &dpti_sig, size); 239 break; 240 241 case DPT_CTRLINFO: 242 rv = dpti_ctlrinfo(sc, size, data); 243 break; 244 245 case DPT_SYSINFO: 246 rv = dpti_sysinfo(sc, size, data); 247 break; 248 249 case DPT_BLINKLED: 250 if ((i = dpti_blinkled(sc)) == -1) 251 i = 0; 252 253 if (size == 0) { 254 rv = copyout(&i, *(void **)data, sizeof(i)); 255 break; 256 } 257 258 *(int *)data = i; 259 break; 260 261 case DPT_TARGET_BUSY: 262 /* 263 * XXX This is here to stop linux_machdepioctl() from 264 * whining about an unknown ioctl. 265 */ 266 rv = EIO; 267 break; 268 269 case DPT_I2OUSRCMD: 270 rv = kauth_authorize_device_passthru(l->l_cred, dev, 271 KAUTH_REQ_DEVICE_RAWIO_PASSTHRU_ALL, data); 272 if (rv) 273 break; 274 275 if (sc->sc_nactive++ >= 2) 276 tsleep(&sc->sc_nactive, PRIBIO, "dptislp", 0); 277 278 if (linux) 279 rv = dpti_passthrough(sc, data, l->l_proc); 280 else 281 rv = dpti_passthrough(sc, *(void **)data, l->l_proc); 282 283 sc->sc_nactive--; 284 wakeup_one(&sc->sc_nactive); 285 break; 286 287 case DPT_I2ORESETCMD: 288 printf("%s: I2ORESETCMD not implemented\n", 289 device_xname(&sc->sc_dv)); 290 rv = EOPNOTSUPP; 291 break; 292 293 case DPT_I2ORESCANCMD: 294 mutex_enter(&iop->sc_conflock); 295 rv = iop_reconfigure(iop, 0); 296 mutex_exit(&iop->sc_conflock); 297 break; 298 299 default: 300 rv = ENOTTY; 301 break; 302 } 303 304 return (rv); 305 } 306 307 int 308 dpti_blinkled(struct dpti_softc *sc) 309 { 310 struct iop_softc *iop; 311 u_int v; 312 313 iop = (struct iop_softc *)device_parent(&sc->sc_dv); 314 315 v = bus_space_read_1(iop->sc_iot, iop->sc_ioh, sc->sc_blinkled + 0); 316 if (v == 0xbc) { 317 v = bus_space_read_1(iop->sc_iot, iop->sc_ioh, 318 sc->sc_blinkled + 1); 319 return (v); 320 } 321 322 return (-1); 323 } 324 325 int 326 dpti_ctlrinfo(struct dpti_softc *sc, int size, void *data) 327 { 328 struct dpt_ctlrinfo info; 329 struct iop_softc *iop; 330 int rv, i; 331 332 iop = (struct iop_softc *)device_parent(&sc->sc_dv); 333 334 memset(&info, 0, sizeof(info)); 335 336 info.length = sizeof(info) - sizeof(u_int16_t); 337 info.drvrHBAnum = device_unit(&sc->sc_dv); 338 info.baseAddr = iop->sc_memaddr; 339 if ((i = dpti_blinkled(sc)) == -1) 340 i = 0; 341 info.blinkState = i; 342 info.pciBusNum = iop->sc_pcibus; 343 info.pciDeviceNum = iop->sc_pcidev; 344 info.hbaFlags = FLG_OSD_PCI_VALID | FLG_OSD_DMA | FLG_OSD_I2O; 345 info.Interrupt = 10; /* XXX */ 346 347 if (size > sizeof(char)) { 348 memcpy(data, &info, min(sizeof(info), size)); 349 rv = 0; 350 } else 351 rv = copyout(&info, *(void **)data, sizeof(info)); 352 353 return (rv); 354 } 355 356 int 357 dpti_sysinfo(struct dpti_softc *sc, int size, void *data) 358 { 359 struct dpt_sysinfo info; 360 int rv; 361 #ifdef __i386__ 362 int i, j; 363 #endif 364 365 memset(&info, 0, sizeof(info)); 366 367 #ifdef __i386__ 368 outb (0x70, 0x12); 369 i = inb(0x71); 370 j = i >> 4; 371 if (i == 0x0f) { 372 outb (0x70, 0x19); 373 j = inb (0x71); 374 } 375 info.drive0CMOS = j; 376 377 j = i & 0x0f; 378 if (i == 0x0f) { 379 outb (0x70, 0x1a); 380 j = inb (0x71); 381 } 382 info.drive1CMOS = j; 383 info.processorFamily = dpti_sig.dsProcessorFamily; 384 385 /* 386 * Get the conventional memory size from CMOS. 387 */ 388 outb(0x70, 0x16); 389 j = inb(0x71); 390 j <<= 8; 391 outb(0x70, 0x15); 392 j |= inb(0x71); 393 info.conventionalMemSize = j; 394 395 /* 396 * Get the extended memory size from CMOS. 397 */ 398 outb(0x70, 0x31); 399 j = inb(0x71); 400 j <<= 8; 401 outb(0x70, 0x30); 402 j |= inb(0x71); 403 info.extendedMemSize = j; 404 405 switch (cpu_class) { 406 case CPUCLASS_386: 407 info.processorType = PROC_386; 408 break; 409 case CPUCLASS_486: 410 info.processorType = PROC_486; 411 break; 412 case CPUCLASS_586: 413 info.processorType = PROC_PENTIUM; 414 break; 415 case CPUCLASS_686: 416 default: 417 info.processorType = PROC_SEXIUM; 418 break; 419 } 420 421 info.flags = SI_CMOS_Valid | SI_BusTypeValid | 422 SI_MemorySizeValid | SI_NO_SmartROM; 423 #else 424 info.flags = SI_BusTypeValid | SI_NO_SmartROM; 425 #endif 426 427 info.busType = SI_PCI_BUS; 428 429 /* 430 * Copy out the info structure to the user. 431 */ 432 if (size > sizeof(char)) { 433 memcpy(data, &info, min(sizeof(info), size)); 434 rv = 0; 435 } else 436 rv = copyout(&info, *(void **)data, sizeof(info)); 437 438 return (rv); 439 } 440 441 int 442 dpti_passthrough(struct dpti_softc *sc, void *data, struct proc *proc) 443 { 444 struct iop_softc *iop; 445 struct i2o_msg mh, *mf; 446 struct i2o_reply rh; 447 struct iop_msg *im; 448 struct dpti_ptbuf bufs[IOP_MAX_MSG_XFERS]; 449 u_int32_t mbtmp[IOP_MAX_MSG_SIZE / sizeof(u_int32_t)]; 450 u_int32_t rbtmp[IOP_MAX_MSG_SIZE / sizeof(u_int32_t)]; 451 int rv, msgsize, repsize, sgoff, i, mapped, nbuf, nfrag, j, sz; 452 u_int32_t *p, *pmax; 453 454 iop = (struct iop_softc *)device_parent(&sc->sc_dv); 455 im = NULL; 456 457 if ((rv = dpti_blinkled(sc)) != -1) { 458 if (rv != 0) { 459 aprint_error_dev(&sc->sc_dv, "adapter blinkled = 0x%02x\n", rv); 460 return (EIO); 461 } 462 } 463 464 /* 465 * Copy in the message frame header and determine the size of the 466 * full message frame. 467 */ 468 if ((rv = copyin(data, &mh, sizeof(mh))) != 0) { 469 DPRINTF(("%s: message copyin failed\n", 470 device_xname(&sc->sc_dv))); 471 return (rv); 472 } 473 474 msgsize = (mh.msgflags >> 14) & ~3; 475 if (msgsize < sizeof(mh) || msgsize >= IOP_MAX_MSG_SIZE) { 476 DPRINTF(("%s: bad message frame size\n", 477 device_xname(&sc->sc_dv))); 478 return (EINVAL); 479 } 480 481 /* 482 * Handle special commands. 483 */ 484 switch (mh.msgfunc >> 24) { 485 case I2O_EXEC_IOP_RESET: 486 printf("%s: I2O_EXEC_IOP_RESET not implemented\n", 487 device_xname(&sc->sc_dv)); 488 return (EOPNOTSUPP); 489 490 case I2O_EXEC_OUTBOUND_INIT: 491 printf("%s: I2O_EXEC_OUTBOUND_INIT not implemented\n", 492 device_xname(&sc->sc_dv)); 493 return (EOPNOTSUPP); 494 495 case I2O_EXEC_SYS_TAB_SET: 496 printf("%s: I2O_EXEC_SYS_TAB_SET not implemented\n", 497 device_xname(&sc->sc_dv)); 498 return (EOPNOTSUPP); 499 500 case I2O_EXEC_STATUS_GET: 501 if ((rv = iop_status_get(iop, 0)) == 0) 502 rv = copyout(&iop->sc_status, (char *)data + msgsize, 503 sizeof(iop->sc_status)); 504 return (rv); 505 } 506 507 /* 508 * Copy in the full message frame. 509 */ 510 if ((rv = copyin(data, mbtmp, msgsize)) != 0) { 511 DPRINTF(("%s: full message copyin failed\n", 512 device_xname(&sc->sc_dv))); 513 return (rv); 514 } 515 516 /* 517 * Determine the size of the reply frame, and copy it in. 518 */ 519 if ((rv = copyin((char *)data + msgsize, &rh, sizeof(rh))) != 0) { 520 DPRINTF(("%s: reply copyin failed\n", 521 device_xname(&sc->sc_dv))); 522 return (rv); 523 } 524 525 repsize = (rh.msgflags >> 14) & ~3; 526 if (repsize < sizeof(rh) || repsize >= IOP_MAX_MSG_SIZE) { 527 DPRINTF(("%s: bad reply header size\n", 528 device_xname(&sc->sc_dv))); 529 return (EINVAL); 530 } 531 532 if ((rv = copyin((char *)data + msgsize, rbtmp, repsize)) != 0) { 533 DPRINTF(("%s: reply too large\n", device_xname(&sc->sc_dv))); 534 return (rv); 535 } 536 537 /* 538 * If the message has a scatter gather list, it must be comprised of 539 * simple elements. If any one transfer contains multiple segments, 540 * we allocate a temporary buffer for it; otherwise, the buffer will 541 * be mapped directly. 542 */ 543 mapped = 0; 544 if ((sgoff = ((mh.msgflags >> 4) & 15)) != 0) { 545 if ((sgoff + 2) > (msgsize >> 2)) { 546 DPRINTF(("%s: invalid message size fields\n", 547 device_xname(&sc->sc_dv))); 548 return (EINVAL); 549 } 550 551 memset(bufs, 0, sizeof(bufs)); 552 553 p = mbtmp + sgoff; 554 pmax = mbtmp + (msgsize >> 2) - 2; 555 556 for (nbuf = 0; nbuf < IOP_MAX_MSG_XFERS; nbuf++, p += 2) { 557 if (p > pmax) { 558 DPRINTF(("%s: invalid SGL (1)\n", 559 device_xname(&sc->sc_dv))); 560 goto bad; 561 } 562 563 if ((p[0] & 0x30000000) != I2O_SGL_SIMPLE) { 564 DPRINTF(("%s: invalid SGL (2)\n", 565 device_xname(&sc->sc_dv))); 566 goto bad; 567 } 568 569 bufs[nbuf].db_out = (p[0] & I2O_SGL_DATA_OUT) != 0; 570 bufs[nbuf].db_ptr = NULL; 571 572 if ((p[0] & I2O_SGL_END_BUFFER) != 0) { 573 if ((p[0] & 0x00ffffff) > IOP_MAX_XFER) { 574 DPRINTF(("%s: buffer too large\n", 575 device_xname(&sc->sc_dv))); 576 goto bad; 577 } 578 579 bufs[nbuf].db_ptr = (void *)p[1]; 580 bufs[nbuf].db_proc = proc; 581 bufs[nbuf].db_size = p[0] & 0x00ffffff; 582 583 if ((p[0] & I2O_SGL_END) != 0) 584 break; 585 586 continue; 587 } 588 589 /* 590 * The buffer has multiple segments. Determine the 591 * total size. 592 */ 593 nfrag = 0; 594 sz = 0; 595 for (; p <= pmax; p += 2) { 596 if (nfrag == DPTI_MAX_SEGS) { 597 DPRINTF(("%s: too many segments\n", 598 device_xname(&sc->sc_dv))); 599 goto bad; 600 } 601 602 bufs[nbuf].db_frags[nfrag].iov_len = 603 p[0] & 0x00ffffff; 604 bufs[nbuf].db_frags[nfrag].iov_base = 605 (void *)p[1]; 606 607 sz += p[0] & 0x00ffffff; 608 nfrag++; 609 610 if ((p[0] & I2O_SGL_END) != 0) { 611 if ((p[0] & I2O_SGL_END_BUFFER) == 0) { 612 DPRINTF(( 613 "%s: invalid SGL (3)\n", 614 device_xname(&sc->sc_dv))); 615 goto bad; 616 } 617 break; 618 } 619 if ((p[0] & I2O_SGL_END_BUFFER) != 0) 620 break; 621 } 622 bufs[nbuf].db_nfrag = nfrag; 623 624 if (p > pmax) { 625 DPRINTF(("%s: invalid SGL (4)\n", 626 device_xname(&sc->sc_dv))); 627 goto bad; 628 } 629 630 if (sz > IOP_MAX_XFER) { 631 DPRINTF(("%s: buffer too large\n", 632 device_xname(&sc->sc_dv))); 633 goto bad; 634 } 635 636 bufs[nbuf].db_size = sz; 637 bufs[nbuf].db_ptr = malloc(sz, M_DEVBUF, M_WAITOK); 638 if (bufs[nbuf].db_ptr == NULL) { 639 DPRINTF(("%s: allocation failure\n", 640 device_xname(&sc->sc_dv))); 641 rv = ENOMEM; 642 goto bad; 643 } 644 645 for (i = 0, sz = 0; i < bufs[nbuf].db_nfrag; i++) { 646 rv = copyin(bufs[nbuf].db_frags[i].iov_base, 647 (char *)bufs[nbuf].db_ptr + sz, 648 bufs[nbuf].db_frags[i].iov_len); 649 if (rv != 0) { 650 DPRINTF(("%s: frag copyin\n", 651 device_xname(&sc->sc_dv))); 652 goto bad; 653 } 654 sz += bufs[nbuf].db_frags[i].iov_len; 655 } 656 657 if ((p[0] & I2O_SGL_END) != 0) 658 break; 659 } 660 661 if (nbuf == IOP_MAX_MSG_XFERS) { 662 DPRINTF(("%s: too many transfers\n", 663 device_xname(&sc->sc_dv))); 664 goto bad; 665 } 666 } else 667 nbuf = -1; 668 669 /* 670 * Allocate a wrapper, and adjust the message header fields to 671 * indicate that no scatter-gather list is currently present. 672 */ 673 674 im = iop_msg_alloc(iop, IM_WAIT | IM_NOSTATUS); 675 im->im_rb = (struct i2o_reply *)rbtmp; 676 mf = (struct i2o_msg *)mbtmp; 677 mf->msgictx = IOP_ICTX; 678 mf->msgtctx = im->im_tctx; 679 680 if (sgoff != 0) 681 mf->msgflags = (mf->msgflags & 0xff0f) | (sgoff << 16); 682 683 /* 684 * Map the data transfer(s). 685 */ 686 for (i = 0; i <= nbuf; i++) { 687 rv = iop_msg_map(iop, im, mbtmp, bufs[i].db_ptr, 688 bufs[i].db_size, bufs[i].db_out, bufs[i].db_proc); 689 if (rv != 0) { 690 DPRINTF(("%s: msg_map failed, rv = %d\n", 691 device_xname(&sc->sc_dv), rv)); 692 goto bad; 693 } 694 mapped = 1; 695 } 696 697 /* 698 * Start the command and sleep until it completes. 699 */ 700 if ((rv = iop_msg_post(iop, im, mbtmp, 5*60*1000)) != 0) 701 goto bad; 702 703 /* 704 * Copy out the reply frame. 705 */ 706 if ((rv = copyout(rbtmp, (char *)data + msgsize, repsize)) != 0) { 707 DPRINTF(("%s: reply copyout() failed\n", 708 device_xname(&sc->sc_dv))); 709 } 710 711 bad: 712 /* 713 * Free resources and return to the caller. 714 */ 715 if (im != NULL) { 716 if (mapped) 717 iop_msg_unmap(iop, im); 718 iop_msg_free(iop, im); 719 } 720 721 for (i = 0; i <= nbuf; i++) { 722 if (bufs[i].db_proc != NULL) 723 continue; 724 725 if (!bufs[i].db_out && rv == 0) { 726 for (j = 0, sz = 0; j < bufs[i].db_nfrag; j++) { 727 rv = copyout((char *)bufs[i].db_ptr + sz, 728 bufs[i].db_frags[j].iov_base, 729 bufs[i].db_frags[j].iov_len); 730 if (rv != 0) 731 break; 732 sz += bufs[i].db_frags[j].iov_len; 733 } 734 } 735 736 if (bufs[i].db_ptr != NULL) 737 free(bufs[i].db_ptr, M_DEVBUF); 738 } 739 740 return (rv); 741 } 742
Indexes created Tue Oct 21 16:10:11 GMT 2025