dpti.c revision 1.46
1 /* $NetBSD: dpti.c,v 1.46 2014/03/16 05:20:27 dholland 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 1.46 2014/03/16 05:20:27 dholland 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 .d_open = dptiopen, 141 .d_close = nullclose, 142 .d_read = noread, 143 .d_write = nowrite, 144 .d_ioctl = dptiioctl, 145 .d_stop = nostop, 146 .d_tty = notty, 147 .d_poll = nopoll, 148 .d_mmap = nommap, 149 .d_kqfilter = nokqfilter, 150 .d_flag = D_OTHER, 151 }; 152 153 extern struct cfdriver dpti_cd; 154 155 CFATTACH_DECL_NEW(dpti, sizeof(struct dpti_softc), 156 dpti_match, dpti_attach, NULL, NULL); 157 158 int 159 dpti_match(device_t parent, cfdata_t match, void *aux) 160 { 161 struct iop_attach_args *ia; 162 struct iop_softc *iop; 163 164 ia = aux; 165 iop = device_private(parent); 166 167 if (ia->ia_class != I2O_CLASS_ANY || ia->ia_tid != I2O_TID_IOP) 168 return (0); 169 170 if (le16toh(iop->sc_status.orgid) != I2O_ORG_DPT) 171 return (0); 172 173 return (1); 174 } 175 176 void 177 dpti_attach(device_t parent, device_t self, void *aux) 178 { 179 struct iop_softc *iop; 180 struct dpti_softc *sc; 181 struct { 182 struct i2o_param_op_results pr; 183 struct i2o_param_read_results prr; 184 struct i2o_dpt_param_exec_iop_buffers dib; 185 } __packed param; 186 int rv; 187 188 sc = device_private(self); 189 sc->sc_dev = self; 190 iop = device_private(parent); 191 192 /* 193 * Tell the world what we are. The description in the signature 194 * must be no more than 46 bytes long (see dptivar.h). 195 */ 196 printf(": DPT/Adaptec RAID management interface\n"); 197 snprintf(dpti_sig.dsDescription, sizeof(dpti_sig.dsDescription), 198 "NetBSD %s I2O OSM", osrelease); 199 200 rv = iop_field_get_all(iop, I2O_TID_IOP, 201 I2O_DPT_PARAM_EXEC_IOP_BUFFERS, ¶m, 202 sizeof(param), NULL); 203 if (rv != 0) 204 return; 205 206 sc->sc_blinkled = le32toh(param.dib.serialoutputoff) + 8; 207 } 208 209 int 210 dptiopen(dev_t dev, int flag, int mode, 211 struct lwp *l) 212 { 213 214 if (device_lookup(&dpti_cd, minor(dev)) == NULL) 215 return (ENXIO); 216 217 return (0); 218 } 219 220 int 221 dptiioctl(dev_t dev, u_long cmd, void *data, int flag, struct lwp *l) 222 { 223 struct iop_softc *iop; 224 struct dpti_softc *sc; 225 struct ioctl_pt *pt; 226 int i, size, rv, linux; 227 228 sc = device_lookup_private(&dpti_cd, minor(dev)); 229 iop = device_private(device_parent(sc->sc_dev)); 230 rv = 0; 231 232 if (cmd == PTIOCLINUX) { 233 pt = (struct ioctl_pt *)data; 234 size = IOCPARM_LEN(pt->com); 235 cmd = pt->com & 0xffff; 236 data = pt->data; 237 linux = 1; 238 } else { 239 size = IOCPARM_LEN(cmd); 240 cmd = cmd & 0xffff; 241 linux = 0; 242 } 243 244 switch (cmd) { 245 case DPT_SIGNATURE: 246 if (size > sizeof(dpti_sig)) 247 size = sizeof(dpti_sig); 248 memcpy(data, &dpti_sig, size); 249 break; 250 251 case DPT_CTRLINFO: 252 rv = dpti_ctlrinfo(sc, size, data); 253 break; 254 255 case DPT_SYSINFO: 256 rv = dpti_sysinfo(sc, size, data); 257 break; 258 259 case DPT_BLINKLED: 260 if ((i = dpti_blinkled(sc)) == -1) 261 i = 0; 262 263 if (size == 0) { 264 rv = copyout(&i, *(void **)data, sizeof(i)); 265 break; 266 } 267 268 *(int *)data = i; 269 break; 270 271 case DPT_TARGET_BUSY: 272 /* 273 * XXX This is here to stop linux_machdepioctl() from 274 * whining about an unknown ioctl. 275 */ 276 rv = EIO; 277 break; 278 279 case DPT_I2OUSRCMD: 280 rv = kauth_authorize_device_passthru(l->l_cred, dev, 281 KAUTH_REQ_DEVICE_RAWIO_PASSTHRU_ALL, data); 282 if (rv) 283 break; 284 285 mutex_enter(&iop->sc_conflock); 286 if (linux) { 287 rv = dpti_passthrough(sc, data, l->l_proc); 288 } else { 289 rv = dpti_passthrough(sc, *(void **)data, l->l_proc); 290 } 291 mutex_exit(&iop->sc_conflock); 292 break; 293 294 case DPT_I2ORESETCMD: 295 printf("%s: I2ORESETCMD not implemented\n", 296 device_xname(sc->sc_dev)); 297 rv = EOPNOTSUPP; 298 break; 299 300 case DPT_I2ORESCANCMD: 301 mutex_enter(&iop->sc_conflock); 302 rv = iop_reconfigure(iop, 0); 303 mutex_exit(&iop->sc_conflock); 304 break; 305 306 default: 307 rv = ENOTTY; 308 break; 309 } 310 311 return (rv); 312 } 313 314 int 315 dpti_blinkled(struct dpti_softc *sc) 316 { 317 struct iop_softc *iop; 318 u_int v; 319 320 iop = device_private(device_parent(sc->sc_dev)); 321 322 v = bus_space_read_1(iop->sc_iot, iop->sc_ioh, sc->sc_blinkled + 0); 323 if (v == 0xbc) { 324 v = bus_space_read_1(iop->sc_iot, iop->sc_ioh, 325 sc->sc_blinkled + 1); 326 return (v); 327 } 328 329 return (-1); 330 } 331 332 int 333 dpti_ctlrinfo(struct dpti_softc *sc, int size, void *data) 334 { 335 struct dpt_ctlrinfo info; 336 struct iop_softc *iop; 337 int rv, i; 338 339 iop = device_private(device_parent(sc->sc_dev)); 340 341 memset(&info, 0, sizeof(info)); 342 343 info.length = sizeof(info) - sizeof(u_int16_t); 344 info.drvrHBAnum = device_unit(sc->sc_dev); 345 info.baseAddr = iop->sc_memaddr; 346 if ((i = dpti_blinkled(sc)) == -1) 347 i = 0; 348 info.blinkState = i; 349 info.pciBusNum = iop->sc_pcibus; 350 info.pciDeviceNum = iop->sc_pcidev; 351 info.hbaFlags = FLG_OSD_PCI_VALID | FLG_OSD_DMA | FLG_OSD_I2O; 352 info.Interrupt = 10; /* XXX */ 353 354 if (size > sizeof(char)) { 355 memcpy(data, &info, min(sizeof(info), size)); 356 rv = 0; 357 } else 358 rv = copyout(&info, *(void **)data, sizeof(info)); 359 360 return (rv); 361 } 362 363 int 364 dpti_sysinfo(struct dpti_softc *sc, int size, void *data) 365 { 366 struct dpt_sysinfo info; 367 int rv; 368 #ifdef __i386__ 369 int i, j; 370 #endif 371 372 memset(&info, 0, sizeof(info)); 373 374 #ifdef __i386__ 375 outb (0x70, 0x12); 376 i = inb(0x71); 377 j = i >> 4; 378 if (i == 0x0f) { 379 outb (0x70, 0x19); 380 j = inb (0x71); 381 } 382 info.drive0CMOS = j; 383 384 j = i & 0x0f; 385 if (i == 0x0f) { 386 outb (0x70, 0x1a); 387 j = inb (0x71); 388 } 389 info.drive1CMOS = j; 390 info.processorFamily = dpti_sig.dsProcessorFamily; 391 392 /* 393 * Get the conventional memory size from CMOS. 394 */ 395 outb(0x70, 0x16); 396 j = inb(0x71); 397 j <<= 8; 398 outb(0x70, 0x15); 399 j |= inb(0x71); 400 info.conventionalMemSize = j; 401 402 /* 403 * Get the extended memory size from CMOS. 404 */ 405 outb(0x70, 0x31); 406 j = inb(0x71); 407 j <<= 8; 408 outb(0x70, 0x30); 409 j |= inb(0x71); 410 info.extendedMemSize = j; 411 412 switch (cpu_class) { 413 case CPUCLASS_386: 414 info.processorType = PROC_386; 415 break; 416 case CPUCLASS_486: 417 info.processorType = PROC_486; 418 break; 419 case CPUCLASS_586: 420 info.processorType = PROC_PENTIUM; 421 break; 422 case CPUCLASS_686: 423 default: 424 info.processorType = PROC_SEXIUM; 425 break; 426 } 427 428 info.flags = SI_CMOS_Valid | SI_BusTypeValid | 429 SI_MemorySizeValid | SI_NO_SmartROM; 430 #else 431 info.flags = SI_BusTypeValid | SI_NO_SmartROM; 432 #endif 433 434 info.busType = SI_PCI_BUS; 435 436 /* 437 * Copy out the info structure to the user. 438 */ 439 if (size > sizeof(char)) { 440 memcpy(data, &info, min(sizeof(info), size)); 441 rv = 0; 442 } else 443 rv = copyout(&info, *(void **)data, sizeof(info)); 444 445 return (rv); 446 } 447 448 int 449 dpti_passthrough(struct dpti_softc *sc, void *data, struct proc *proc) 450 { 451 struct iop_softc *iop; 452 struct i2o_msg mh, *mf; 453 struct i2o_reply rh; 454 struct iop_msg *im; 455 struct dpti_ptbuf bufs[IOP_MAX_MSG_XFERS]; 456 u_int32_t mbtmp[IOP_MAX_MSG_SIZE / sizeof(u_int32_t)]; 457 u_int32_t rbtmp[IOP_MAX_MSG_SIZE / sizeof(u_int32_t)]; 458 int rv, msgsize, repsize, sgoff, i, mapped, nbuf, nfrag, j, sz; 459 u_int32_t *p, *pmax; 460 461 iop = device_private(device_parent(sc->sc_dev)); 462 im = NULL; 463 464 if ((rv = dpti_blinkled(sc)) != -1) { 465 if (rv != 0) { 466 aprint_error_dev(sc->sc_dev, "adapter blinkled = 0x%02x\n", rv); 467 return (EIO); 468 } 469 } 470 471 /* 472 * Copy in the message frame header and determine the size of the 473 * full message frame. 474 */ 475 if ((rv = copyin(data, &mh, sizeof(mh))) != 0) { 476 DPRINTF(("%s: message copyin failed\n", 477 device_xname(sc->sc_dev))); 478 return (rv); 479 } 480 481 msgsize = (mh.msgflags >> 14) & ~3; 482 if (msgsize < sizeof(mh) || msgsize >= IOP_MAX_MSG_SIZE) { 483 DPRINTF(("%s: bad message frame size\n", 484 device_xname(sc->sc_dev))); 485 return (EINVAL); 486 } 487 488 /* 489 * Handle special commands. 490 */ 491 switch (mh.msgfunc >> 24) { 492 case I2O_EXEC_IOP_RESET: 493 printf("%s: I2O_EXEC_IOP_RESET not implemented\n", 494 device_xname(sc->sc_dev)); 495 return (EOPNOTSUPP); 496 497 case I2O_EXEC_OUTBOUND_INIT: 498 printf("%s: I2O_EXEC_OUTBOUND_INIT not implemented\n", 499 device_xname(sc->sc_dev)); 500 return (EOPNOTSUPP); 501 502 case I2O_EXEC_SYS_TAB_SET: 503 printf("%s: I2O_EXEC_SYS_TAB_SET not implemented\n", 504 device_xname(sc->sc_dev)); 505 return (EOPNOTSUPP); 506 507 case I2O_EXEC_STATUS_GET: 508 if ((rv = iop_status_get(iop, 0)) == 0) 509 rv = copyout(&iop->sc_status, (char *)data + msgsize, 510 sizeof(iop->sc_status)); 511 return (rv); 512 } 513 514 /* 515 * Copy in the full message frame. 516 */ 517 if ((rv = copyin(data, mbtmp, msgsize)) != 0) { 518 DPRINTF(("%s: full message copyin failed\n", 519 device_xname(sc->sc_dev))); 520 return (rv); 521 } 522 523 /* 524 * Determine the size of the reply frame, and copy it in. 525 */ 526 if ((rv = copyin((char *)data + msgsize, &rh, sizeof(rh))) != 0) { 527 DPRINTF(("%s: reply copyin failed\n", 528 device_xname(sc->sc_dev))); 529 return (rv); 530 } 531 532 repsize = (rh.msgflags >> 14) & ~3; 533 if (repsize < sizeof(rh) || repsize >= IOP_MAX_MSG_SIZE) { 534 DPRINTF(("%s: bad reply header size\n", 535 device_xname(sc->sc_dev))); 536 return (EINVAL); 537 } 538 539 if ((rv = copyin((char *)data + msgsize, rbtmp, repsize)) != 0) { 540 DPRINTF(("%s: reply too large\n", device_xname(sc->sc_dev))); 541 return (rv); 542 } 543 544 /* 545 * If the message has a scatter gather list, it must be comprised of 546 * simple elements. If any one transfer contains multiple segments, 547 * we allocate a temporary buffer for it; otherwise, the buffer will 548 * be mapped directly. 549 */ 550 mapped = 0; 551 if ((sgoff = ((mh.msgflags >> 4) & 15)) != 0) { 552 if ((sgoff + 2) > (msgsize >> 2)) { 553 DPRINTF(("%s: invalid message size fields\n", 554 device_xname(sc->sc_dev))); 555 return (EINVAL); 556 } 557 558 memset(bufs, 0, sizeof(bufs)); 559 560 p = mbtmp + sgoff; 561 pmax = mbtmp + (msgsize >> 2) - 2; 562 563 for (nbuf = 0; nbuf < IOP_MAX_MSG_XFERS; nbuf++, p += 2) { 564 if (p > pmax) { 565 DPRINTF(("%s: invalid SGL (1)\n", 566 device_xname(sc->sc_dev))); 567 goto bad; 568 } 569 570 if ((p[0] & 0x30000000) != I2O_SGL_SIMPLE) { 571 DPRINTF(("%s: invalid SGL (2)\n", 572 device_xname(sc->sc_dev))); 573 goto bad; 574 } 575 576 bufs[nbuf].db_out = (p[0] & I2O_SGL_DATA_OUT) != 0; 577 bufs[nbuf].db_ptr = NULL; 578 579 if ((p[0] & I2O_SGL_END_BUFFER) != 0) { 580 if ((p[0] & 0x00ffffff) > IOP_MAX_XFER) { 581 DPRINTF(("%s: buffer too large\n", 582 device_xname(sc->sc_dev))); 583 goto bad; 584 } 585 586 bufs[nbuf].db_ptr = (void *)p[1]; 587 bufs[nbuf].db_proc = proc; 588 bufs[nbuf].db_size = p[0] & 0x00ffffff; 589 590 if ((p[0] & I2O_SGL_END) != 0) 591 break; 592 593 continue; 594 } 595 596 /* 597 * The buffer has multiple segments. Determine the 598 * total size. 599 */ 600 nfrag = 0; 601 sz = 0; 602 for (; p <= pmax; p += 2) { 603 if (nfrag == DPTI_MAX_SEGS) { 604 DPRINTF(("%s: too many segments\n", 605 device_xname(sc->sc_dev))); 606 goto bad; 607 } 608 609 bufs[nbuf].db_frags[nfrag].iov_len = 610 p[0] & 0x00ffffff; 611 bufs[nbuf].db_frags[nfrag].iov_base = 612 (void *)p[1]; 613 614 sz += p[0] & 0x00ffffff; 615 nfrag++; 616 617 if ((p[0] & I2O_SGL_END) != 0) { 618 if ((p[0] & I2O_SGL_END_BUFFER) == 0) { 619 DPRINTF(( 620 "%s: invalid SGL (3)\n", 621 device_xname(sc->sc_dev))); 622 goto bad; 623 } 624 break; 625 } 626 if ((p[0] & I2O_SGL_END_BUFFER) != 0) 627 break; 628 } 629 bufs[nbuf].db_nfrag = nfrag; 630 631 if (p > pmax) { 632 DPRINTF(("%s: invalid SGL (4)\n", 633 device_xname(sc->sc_dev))); 634 goto bad; 635 } 636 637 if (sz > IOP_MAX_XFER) { 638 DPRINTF(("%s: buffer too large\n", 639 device_xname(sc->sc_dev))); 640 goto bad; 641 } 642 643 bufs[nbuf].db_size = sz; 644 bufs[nbuf].db_ptr = malloc(sz, M_DEVBUF, M_WAITOK); 645 if (bufs[nbuf].db_ptr == NULL) { 646 DPRINTF(("%s: allocation failure\n", 647 device_xname(sc->sc_dev))); 648 rv = ENOMEM; 649 goto bad; 650 } 651 652 for (i = 0, sz = 0; i < bufs[nbuf].db_nfrag; i++) { 653 rv = copyin(bufs[nbuf].db_frags[i].iov_base, 654 (char *)bufs[nbuf].db_ptr + sz, 655 bufs[nbuf].db_frags[i].iov_len); 656 if (rv != 0) { 657 DPRINTF(("%s: frag copyin\n", 658 device_xname(sc->sc_dev))); 659 goto bad; 660 } 661 sz += bufs[nbuf].db_frags[i].iov_len; 662 } 663 664 if ((p[0] & I2O_SGL_END) != 0) 665 break; 666 } 667 668 if (nbuf == IOP_MAX_MSG_XFERS) { 669 DPRINTF(("%s: too many transfers\n", 670 device_xname(sc->sc_dev))); 671 goto bad; 672 } 673 } else 674 nbuf = -1; 675 676 /* 677 * Allocate a wrapper, and adjust the message header fields to 678 * indicate that no scatter-gather list is currently present. 679 */ 680 681 im = iop_msg_alloc(iop, IM_WAIT | IM_NOSTATUS); 682 im->im_rb = (struct i2o_reply *)rbtmp; 683 mf = (struct i2o_msg *)mbtmp; 684 mf->msgictx = IOP_ICTX; 685 mf->msgtctx = im->im_tctx; 686 687 if (sgoff != 0) 688 mf->msgflags = (mf->msgflags & 0xff0f) | (sgoff << 16); 689 690 /* 691 * Map the data transfer(s). 692 */ 693 for (i = 0; i <= nbuf; i++) { 694 rv = iop_msg_map(iop, im, mbtmp, bufs[i].db_ptr, 695 bufs[i].db_size, bufs[i].db_out, bufs[i].db_proc); 696 if (rv != 0) { 697 DPRINTF(("%s: msg_map failed, rv = %d\n", 698 device_xname(sc->sc_dev), rv)); 699 goto bad; 700 } 701 mapped = 1; 702 } 703 704 /* 705 * Start the command and sleep until it completes. 706 */ 707 if ((rv = iop_msg_post(iop, im, mbtmp, 5*60*1000)) != 0) 708 goto bad; 709 710 /* 711 * Copy out the reply frame. 712 */ 713 if ((rv = copyout(rbtmp, (char *)data + msgsize, repsize)) != 0) { 714 DPRINTF(("%s: reply copyout() failed\n", 715 device_xname(sc->sc_dev))); 716 } 717 718 bad: 719 /* 720 * Free resources and return to the caller. 721 */ 722 if (im != NULL) { 723 if (mapped) 724 iop_msg_unmap(iop, im); 725 iop_msg_free(iop, im); 726 } 727 728 for (i = 0; i <= nbuf; i++) { 729 if (bufs[i].db_proc != NULL) 730 continue; 731 732 if (!bufs[i].db_out && rv == 0) { 733 for (j = 0, sz = 0; j < bufs[i].db_nfrag; j++) { 734 rv = copyout((char *)bufs[i].db_ptr + sz, 735 bufs[i].db_frags[j].iov_base, 736 bufs[i].db_frags[j].iov_len); 737 if (rv != 0) 738 break; 739 sz += bufs[i].db_frags[j].iov_len; 740 } 741 } 742 743 if (bufs[i].db_ptr != NULL) 744 free(bufs[i].db_ptr, M_DEVBUF); 745 } 746 747 return (rv); 748 } 749
Indexes created Sun Sep 28 07:09:56 GMT 2025