dpti.c revision 1.35.16.3
1 /* $NetBSD: dpti.c,v 1.35.16.3 2008/06/29 09:33:06 mjf 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 1.35.16.3 2008/06/29 09:33:06 mjf 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 <uvm/uvm_extern.h> 75 76 #include <sys/bus.h> 77 #ifdef __i386__ 78 #include <machine/pio.h> 79 #include <machine/cputypes.h> 80 #endif 81 82 #include <dev/i2o/i2o.h> 83 #include <dev/i2o/i2odpt.h> 84 #include <dev/i2o/iopio.h> 85 #include <dev/i2o/iopvar.h> 86 #include <dev/i2o/dptivar.h> 87 88 #ifdef I2ODEBUG 89 #define DPRINTF(x) printf x 90 #else 91 #define DPRINTF(x) 92 #endif 93 94 static struct dpt_sig dpti_sig = { 95 { 'd', 'P', 't', 'S', 'i', 'G'}, 96 SIG_VERSION, 97 #if defined(__i386__) 98 PROC_INTEL, 99 #elif defined(__powerpc__) 100 PROC_POWERPC, 101 #elif defined(__alpha__) 102 PROC_ALPHA, 103 #elif defined(__mips__) 104 PROC_MIPS, 105 #elif defined(__sparc64__) 106 PROC_ULTRASPARC, 107 #endif 108 #if defined(__i386__) 109 PROC_386 | PROC_486 | PROC_PENTIUM | PROC_SEXIUM, 110 #else 111 0, 112 #endif 113 FT_HBADRVR, 114 0, 115 OEM_DPT, 116 OS_FREE_BSD, /* XXX */ 117 CAP_ABOVE16MB, 118 DEV_ALL, 119 ADF_ALL_SC5, 120 0, 121 0, 122 DPTI_VERSION, 123 DPTI_REVISION, 124 DPTI_SUBREVISION, 125 DPTI_MONTH, 126 DPTI_DAY, 127 DPTI_YEAR, 128 "" /* Will be filled later */ 129 }; 130 131 void dpti_attach(struct device *, struct device *, void *); 132 int dpti_blinkled(struct dpti_softc *); 133 int dpti_ctlrinfo(struct dpti_softc *, int, void *); 134 int dpti_match(struct device *, struct cfdata *, void *); 135 int dpti_passthrough(struct dpti_softc *, void *, struct proc *); 136 int dpti_sysinfo(struct dpti_softc *, int, void *); 137 138 dev_type_open(dptiopen); 139 dev_type_ioctl(dptiioctl); 140 141 const struct cdevsw dpti_cdevsw = { 142 dptiopen, nullclose, noread, nowrite, dptiioctl, 143 nostop, notty, nopoll, nommap, nokqfilter, D_OTHER, 144 }; 145 146 extern struct cfdriver dpti_cd; 147 148 CFATTACH_DECL(dpti, sizeof(struct dpti_softc), 149 dpti_match, dpti_attach, NULL, NULL); 150 151 int 152 dpti_match(struct device *parent, struct cfdata *match, void *aux) 153 { 154 struct iop_attach_args *ia; 155 struct iop_softc *iop; 156 157 ia = aux; 158 iop = (struct iop_softc *)parent; 159 160 if (ia->ia_class != I2O_CLASS_ANY || ia->ia_tid != I2O_TID_IOP) 161 return (0); 162 163 if (le16toh(iop->sc_status.orgid) != I2O_ORG_DPT) 164 return (0); 165 166 return (1); 167 } 168 169 void 170 dpti_attach(struct device *parent, struct device *self, void *aux) 171 { 172 struct iop_softc *iop; 173 struct dpti_softc *sc; 174 struct { 175 struct i2o_param_op_results pr; 176 struct i2o_param_read_results prr; 177 struct i2o_dpt_param_exec_iop_buffers dib; 178 } __attribute__ ((__packed__)) param; 179 int rv, maj; 180 181 sc = device_private(self); 182 iop = device_private(parent); 183 184 /* 185 * Tell the world what we are. The description in the signature 186 * must be no more than 46 bytes long (see dptivar.h). 187 */ 188 printf(": DPT/Adaptec RAID management interface\n"); 189 snprintf(dpti_sig.dsDescription, sizeof(dpti_sig.dsDescription), 190 "NetBSD %s I2O OSM", osrelease); 191 192 rv = iop_field_get_all(iop, I2O_TID_IOP, 193 I2O_DPT_PARAM_EXEC_IOP_BUFFERS, ¶m, 194 sizeof(param), NULL); 195 if (rv != 0) 196 return; 197 198 sc->sc_blinkled = le32toh(param.dib.serialoutputoff) + 8; 199 200 maj = cdevsw_lookup_major(&dpti_cdevsw); 201 device_register_name(makedev(maj, device_unit(self)), self, true, 202 DEV_OTHER, device_xname(self)); 203 } 204 205 int 206 dptiopen(dev_t dev, int flag, int mode, 207 struct lwp *l) 208 { 209 210 if (device_lookup(&dpti_cd, minor(dev)) == NULL) 211 return (ENXIO); 212 213 return (0); 214 } 215 216 int 217 dptiioctl(dev_t dev, u_long cmd, void *data, int flag, struct lwp *l) 218 { 219 struct iop_softc *iop; 220 struct dpti_softc *sc; 221 struct ioctl_pt *pt; 222 int i, size, rv, linux; 223 224 sc = device_lookup_private(&dpti_cd, minor(dev)); 225 iop = (struct iop_softc *)device_parent(&sc->sc_dv); 226 rv = 0; 227 228 if (cmd == PTIOCLINUX) { 229 pt = (struct ioctl_pt *)data; 230 size = IOCPARM_LEN(pt->com); 231 cmd = pt->com & 0xffff; 232 data = pt->data; 233 linux = 1; 234 } else { 235 size = IOCPARM_LEN(cmd); 236 cmd = cmd & 0xffff; 237 linux = 0; 238 } 239 240 switch (cmd) { 241 case DPT_SIGNATURE: 242 if (size > sizeof(dpti_sig)) 243 size = sizeof(dpti_sig); 244 memcpy(data, &dpti_sig, size); 245 break; 246 247 case DPT_CTRLINFO: 248 rv = dpti_ctlrinfo(sc, size, data); 249 break; 250 251 case DPT_SYSINFO: 252 rv = dpti_sysinfo(sc, size, data); 253 break; 254 255 case DPT_BLINKLED: 256 if ((i = dpti_blinkled(sc)) == -1) 257 i = 0; 258 259 if (size == 0) { 260 rv = copyout(&i, *(void **)data, sizeof(i)); 261 break; 262 } 263 264 *(int *)data = i; 265 break; 266 267 case DPT_TARGET_BUSY: 268 /* 269 * XXX This is here to stop linux_machdepioctl() from 270 * whining about an unknown ioctl. 271 */ 272 rv = EIO; 273 break; 274 275 case DPT_I2OUSRCMD: 276 rv = kauth_authorize_device_passthru(l->l_cred, dev, 277 KAUTH_REQ_DEVICE_RAWIO_PASSTHRU_ALL, data); 278 if (rv) 279 break; 280 281 if (sc->sc_nactive++ >= 2) 282 tsleep(&sc->sc_nactive, PRIBIO, "dptislp", 0); 283 284 if (linux) 285 rv = dpti_passthrough(sc, data, l->l_proc); 286 else 287 rv = dpti_passthrough(sc, *(void **)data, l->l_proc); 288 289 sc->sc_nactive--; 290 wakeup_one(&sc->sc_nactive); 291 break; 292 293 case DPT_I2ORESETCMD: 294 printf("%s: I2ORESETCMD not implemented\n", 295 device_xname(&sc->sc_dv)); 296 rv = EOPNOTSUPP; 297 break; 298 299 case DPT_I2ORESCANCMD: 300 mutex_enter(&iop->sc_conflock); 301 rv = iop_reconfigure(iop, 0); 302 mutex_exit(&iop->sc_conflock); 303 break; 304 305 default: 306 rv = ENOTTY; 307 break; 308 } 309 310 return (rv); 311 } 312 313 int 314 dpti_blinkled(struct dpti_softc *sc) 315 { 316 struct iop_softc *iop; 317 u_int v; 318 319 iop = (struct iop_softc *)device_parent(&sc->sc_dv); 320 321 v = bus_space_read_1(iop->sc_iot, iop->sc_ioh, sc->sc_blinkled + 0); 322 if (v == 0xbc) { 323 v = bus_space_read_1(iop->sc_iot, iop->sc_ioh, 324 sc->sc_blinkled + 1); 325 return (v); 326 } 327 328 return (-1); 329 } 330 331 int 332 dpti_ctlrinfo(struct dpti_softc *sc, int size, void *data) 333 { 334 struct dpt_ctlrinfo info; 335 struct iop_softc *iop; 336 int rv, i; 337 338 iop = (struct iop_softc *)device_parent(&sc->sc_dv); 339 340 memset(&info, 0, sizeof(info)); 341 342 info.length = sizeof(info) - sizeof(u_int16_t); 343 info.drvrHBAnum = device_unit(&sc->sc_dv); 344 info.baseAddr = iop->sc_memaddr; 345 if ((i = dpti_blinkled(sc)) == -1) 346 i = 0; 347 info.blinkState = i; 348 info.pciBusNum = iop->sc_pcibus; 349 info.pciDeviceNum = iop->sc_pcidev; 350 info.hbaFlags = FLG_OSD_PCI_VALID | FLG_OSD_DMA | FLG_OSD_I2O; 351 info.Interrupt = 10; /* XXX */ 352 353 if (size > sizeof(char)) { 354 memcpy(data, &info, min(sizeof(info), size)); 355 rv = 0; 356 } else 357 rv = copyout(&info, *(void **)data, sizeof(info)); 358 359 return (rv); 360 } 361 362 int 363 dpti_sysinfo(struct dpti_softc *sc, int size, void *data) 364 { 365 struct dpt_sysinfo info; 366 int rv; 367 #ifdef __i386__ 368 int i, j; 369 #endif 370 371 memset(&info, 0, sizeof(info)); 372 373 #ifdef __i386__ 374 outb (0x70, 0x12); 375 i = inb(0x71); 376 j = i >> 4; 377 if (i == 0x0f) { 378 outb (0x70, 0x19); 379 j = inb (0x71); 380 } 381 info.drive0CMOS = j; 382 383 j = i & 0x0f; 384 if (i == 0x0f) { 385 outb (0x70, 0x1a); 386 j = inb (0x71); 387 } 388 info.drive1CMOS = j; 389 info.processorFamily = dpti_sig.dsProcessorFamily; 390 391 /* 392 * Get the conventional memory size from CMOS. 393 */ 394 outb(0x70, 0x16); 395 j = inb(0x71); 396 j <<= 8; 397 outb(0x70, 0x15); 398 j |= inb(0x71); 399 info.conventionalMemSize = j; 400 401 /* 402 * Get the extended memory size from CMOS. 403 */ 404 outb(0x70, 0x31); 405 j = inb(0x71); 406 j <<= 8; 407 outb(0x70, 0x30); 408 j |= inb(0x71); 409 info.extendedMemSize = j; 410 411 switch (cpu_class) { 412 case CPUCLASS_386: 413 info.processorType = PROC_386; 414 break; 415 case CPUCLASS_486: 416 info.processorType = PROC_486; 417 break; 418 case CPUCLASS_586: 419 info.processorType = PROC_PENTIUM; 420 break; 421 case CPUCLASS_686: 422 default: 423 info.processorType = PROC_SEXIUM; 424 break; 425 } 426 427 info.flags = SI_CMOS_Valid | SI_BusTypeValid | 428 SI_MemorySizeValid | SI_NO_SmartROM; 429 #else 430 info.flags = SI_BusTypeValid | SI_NO_SmartROM; 431 #endif 432 433 info.busType = SI_PCI_BUS; 434 435 /* 436 * Copy out the info structure to the user. 437 */ 438 if (size > sizeof(char)) { 439 memcpy(data, &info, min(sizeof(info), size)); 440 rv = 0; 441 } else 442 rv = copyout(&info, *(void **)data, sizeof(info)); 443 444 return (rv); 445 } 446 447 int 448 dpti_passthrough(struct dpti_softc *sc, void *data, struct proc *proc) 449 { 450 struct iop_softc *iop; 451 struct i2o_msg mh, *mf; 452 struct i2o_reply rh; 453 struct iop_msg *im; 454 struct dpti_ptbuf bufs[IOP_MAX_MSG_XFERS]; 455 u_int32_t mbtmp[IOP_MAX_MSG_SIZE / sizeof(u_int32_t)]; 456 u_int32_t rbtmp[IOP_MAX_MSG_SIZE / sizeof(u_int32_t)]; 457 int rv, msgsize, repsize, sgoff, i, mapped, nbuf, nfrag, j, sz; 458 u_int32_t *p, *pmax; 459 460 iop = (struct iop_softc *)device_parent(&sc->sc_dv); 461 im = NULL; 462 463 if ((rv = dpti_blinkled(sc)) != -1) { 464 if (rv != 0) { 465 aprint_error_dev(&sc->sc_dv, "adapter blinkled = 0x%02x\n", rv); 466 return (EIO); 467 } 468 } 469 470 /* 471 * Copy in the message frame header and determine the size of the 472 * full message frame. 473 */ 474 if ((rv = copyin(data, &mh, sizeof(mh))) != 0) { 475 DPRINTF(("%s: message copyin failed\n", 476 device_xname(&sc->sc_dv))); 477 return (rv); 478 } 479 480 msgsize = (mh.msgflags >> 14) & ~3; 481 if (msgsize < sizeof(mh) || msgsize >= IOP_MAX_MSG_SIZE) { 482 DPRINTF(("%s: bad message frame size\n", 483 device_xname(&sc->sc_dv))); 484 return (EINVAL); 485 } 486 487 /* 488 * Handle special commands. 489 */ 490 switch (mh.msgfunc >> 24) { 491 case I2O_EXEC_IOP_RESET: 492 printf("%s: I2O_EXEC_IOP_RESET not implemented\n", 493 device_xname(&sc->sc_dv)); 494 return (EOPNOTSUPP); 495 496 case I2O_EXEC_OUTBOUND_INIT: 497 printf("%s: I2O_EXEC_OUTBOUND_INIT not implemented\n", 498 device_xname(&sc->sc_dv)); 499 return (EOPNOTSUPP); 500 501 case I2O_EXEC_SYS_TAB_SET: 502 printf("%s: I2O_EXEC_SYS_TAB_SET not implemented\n", 503 device_xname(&sc->sc_dv)); 504 return (EOPNOTSUPP); 505 506 case I2O_EXEC_STATUS_GET: 507 if ((rv = iop_status_get(iop, 0)) == 0) 508 rv = copyout(&iop->sc_status, (char *)data + msgsize, 509 sizeof(iop->sc_status)); 510 return (rv); 511 } 512 513 /* 514 * Copy in the full message frame. 515 */ 516 if ((rv = copyin(data, mbtmp, msgsize)) != 0) { 517 DPRINTF(("%s: full message copyin failed\n", 518 device_xname(&sc->sc_dv))); 519 return (rv); 520 } 521 522 /* 523 * Determine the size of the reply frame, and copy it in. 524 */ 525 if ((rv = copyin((char *)data + msgsize, &rh, sizeof(rh))) != 0) { 526 DPRINTF(("%s: reply copyin failed\n", 527 device_xname(&sc->sc_dv))); 528 return (rv); 529 } 530 531 repsize = (rh.msgflags >> 14) & ~3; 532 if (repsize < sizeof(rh) || repsize >= IOP_MAX_MSG_SIZE) { 533 DPRINTF(("%s: bad reply header size\n", 534 device_xname(&sc->sc_dv))); 535 return (EINVAL); 536 } 537 538 if ((rv = copyin((char *)data + msgsize, rbtmp, repsize)) != 0) { 539 DPRINTF(("%s: reply too large\n", device_xname(&sc->sc_dv))); 540 return (rv); 541 } 542 543 /* 544 * If the message has a scatter gather list, it must be comprised of 545 * simple elements. If any one transfer contains multiple segments, 546 * we allocate a temporary buffer for it; otherwise, the buffer will 547 * be mapped directly. 548 */ 549 mapped = 0; 550 if ((sgoff = ((mh.msgflags >> 4) & 15)) != 0) { 551 if ((sgoff + 2) > (msgsize >> 2)) { 552 DPRINTF(("%s: invalid message size fields\n", 553 device_xname(&sc->sc_dv))); 554 return (EINVAL); 555 } 556 557 memset(bufs, 0, sizeof(bufs)); 558 559 p = mbtmp + sgoff; 560 pmax = mbtmp + (msgsize >> 2) - 2; 561 562 for (nbuf = 0; nbuf < IOP_MAX_MSG_XFERS; nbuf++, p += 2) { 563 if (p > pmax) { 564 DPRINTF(("%s: invalid SGL (1)\n", 565 device_xname(&sc->sc_dv))); 566 goto bad; 567 } 568 569 if ((p[0] & 0x30000000) != I2O_SGL_SIMPLE) { 570 DPRINTF(("%s: invalid SGL (2)\n", 571 device_xname(&sc->sc_dv))); 572 goto bad; 573 } 574 575 bufs[nbuf].db_out = (p[0] & I2O_SGL_DATA_OUT) != 0; 576 bufs[nbuf].db_ptr = NULL; 577 578 if ((p[0] & I2O_SGL_END_BUFFER) != 0) { 579 if ((p[0] & 0x00ffffff) > IOP_MAX_XFER) { 580 DPRINTF(("%s: buffer too large\n", 581 device_xname(&sc->sc_dv))); 582 goto bad; 583 } 584 585 bufs[nbuf].db_ptr = (void *)p[1]; 586 bufs[nbuf].db_proc = proc; 587 bufs[nbuf].db_size = p[0] & 0x00ffffff; 588 589 if ((p[0] & I2O_SGL_END) != 0) 590 break; 591 592 continue; 593 } 594 595 /* 596 * The buffer has multiple segments. Determine the 597 * total size. 598 */ 599 nfrag = 0; 600 sz = 0; 601 for (; p <= pmax; p += 2) { 602 if (nfrag == DPTI_MAX_SEGS) { 603 DPRINTF(("%s: too many segments\n", 604 device_xname(&sc->sc_dv))); 605 goto bad; 606 } 607 608 bufs[nbuf].db_frags[nfrag].iov_len = 609 p[0] & 0x00ffffff; 610 bufs[nbuf].db_frags[nfrag].iov_base = 611 (void *)p[1]; 612 613 sz += p[0] & 0x00ffffff; 614 nfrag++; 615 616 if ((p[0] & I2O_SGL_END) != 0) { 617 if ((p[0] & I2O_SGL_END_BUFFER) == 0) { 618 DPRINTF(( 619 "%s: invalid SGL (3)\n", 620 device_xname(&sc->sc_dv))); 621 goto bad; 622 } 623 break; 624 } 625 if ((p[0] & I2O_SGL_END_BUFFER) != 0) 626 break; 627 } 628 bufs[nbuf].db_nfrag = nfrag; 629 630 if (p > pmax) { 631 DPRINTF(("%s: invalid SGL (4)\n", 632 device_xname(&sc->sc_dv))); 633 goto bad; 634 } 635 636 if (sz > IOP_MAX_XFER) { 637 DPRINTF(("%s: buffer too large\n", 638 device_xname(&sc->sc_dv))); 639 goto bad; 640 } 641 642 bufs[nbuf].db_size = sz; 643 bufs[nbuf].db_ptr = malloc(sz, M_DEVBUF, M_WAITOK); 644 if (bufs[nbuf].db_ptr == NULL) { 645 DPRINTF(("%s: allocation failure\n", 646 device_xname(&sc->sc_dv))); 647 rv = ENOMEM; 648 goto bad; 649 } 650 651 for (i = 0, sz = 0; i < bufs[nbuf].db_nfrag; i++) { 652 rv = copyin(bufs[nbuf].db_frags[i].iov_base, 653 (char *)bufs[nbuf].db_ptr + sz, 654 bufs[nbuf].db_frags[i].iov_len); 655 if (rv != 0) { 656 DPRINTF(("%s: frag copyin\n", 657 device_xname(&sc->sc_dv))); 658 goto bad; 659 } 660 sz += bufs[nbuf].db_frags[i].iov_len; 661 } 662 663 if ((p[0] & I2O_SGL_END) != 0) 664 break; 665 } 666 667 if (nbuf == IOP_MAX_MSG_XFERS) { 668 DPRINTF(("%s: too many transfers\n", 669 device_xname(&sc->sc_dv))); 670 goto bad; 671 } 672 } else 673 nbuf = -1; 674 675 /* 676 * Allocate a wrapper, and adjust the message header fields to 677 * indicate that no scatter-gather list is currently present. 678 */ 679 680 im = iop_msg_alloc(iop, IM_WAIT | IM_NOSTATUS); 681 im->im_rb = (struct i2o_reply *)rbtmp; 682 mf = (struct i2o_msg *)mbtmp; 683 mf->msgictx = IOP_ICTX; 684 mf->msgtctx = im->im_tctx; 685 686 if (sgoff != 0) 687 mf->msgflags = (mf->msgflags & 0xff0f) | (sgoff << 16); 688 689 /* 690 * Map the data transfer(s). 691 */ 692 for (i = 0; i <= nbuf; i++) { 693 rv = iop_msg_map(iop, im, mbtmp, bufs[i].db_ptr, 694 bufs[i].db_size, bufs[i].db_out, bufs[i].db_proc); 695 if (rv != 0) { 696 DPRINTF(("%s: msg_map failed, rv = %d\n", 697 device_xname(&sc->sc_dv), rv)); 698 goto bad; 699 } 700 mapped = 1; 701 } 702 703 /* 704 * Start the command and sleep until it completes. 705 */ 706 if ((rv = iop_msg_post(iop, im, mbtmp, 5*60*1000)) != 0) 707 goto bad; 708 709 /* 710 * Copy out the reply frame. 711 */ 712 if ((rv = copyout(rbtmp, (char *)data + msgsize, repsize)) != 0) { 713 DPRINTF(("%s: reply copyout() failed\n", 714 device_xname(&sc->sc_dv))); 715 } 716 717 bad: 718 /* 719 * Free resources and return to the caller. 720 */ 721 if (im != NULL) { 722 if (mapped) 723 iop_msg_unmap(iop, im); 724 iop_msg_free(iop, im); 725 } 726 727 for (i = 0; i <= nbuf; i++) { 728 if (bufs[i].db_proc != NULL) 729 continue; 730 731 if (!bufs[i].db_out && rv == 0) { 732 for (j = 0, sz = 0; j < bufs[i].db_nfrag; j++) { 733 rv = copyout((char *)bufs[i].db_ptr + sz, 734 bufs[i].db_frags[j].iov_base, 735 bufs[i].db_frags[j].iov_len); 736 if (rv != 0) 737 break; 738 sz += bufs[i].db_frags[j].iov_len; 739 } 740 } 741 742 if (bufs[i].db_ptr != NULL) 743 free(bufs[i].db_ptr, M_DEVBUF); 744 } 745 746 return (rv); 747 } 748
Indexes created Mon Oct 20 01:09:56 GMT 2025