dpti.c revision 1.51
1 /* $NetBSD: dpti.c,v 1.51 2023/09/07 20:07:03 ad Exp $ */ 2 3 /*- 4 * Copyright (c) 2001, 2007, 2023 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 1.51 2023/09/07 20:07:03 ad 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/kmem.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 #include "ioconf.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 .dsSignature = { 'd', 'P', 't', 'S', 'i', 'G'}, 96 .dsSigVersion = SIG_VERSION, 97 #if defined(__i386__) 98 .dsProcessorFamily = PROC_INTEL, 99 #elif defined(__powerpc__) 100 .dsProcessorFamily = PROC_POWERPC, 101 #elif defined(__alpha__) 102 .dsProcessorFamily = PROC_ALPHA, 103 #elif defined(__mips__) 104 .dsProcessorFamily = PROC_MIPS, 105 #elif defined(__sparc64__) 106 .dsProcessorFamily = PROC_ULTRASPARC, 107 #endif 108 #if defined(__i386__) 109 .dsProcessor = PROC_386 | PROC_486 | PROC_PENTIUM | PROC_SEXIUM, 110 #else 111 .dsProcessor = 0, 112 #endif 113 .dsFiletype = FT_HBADRVR, 114 .dsFiletypeFlags = 0, 115 .dsOEM = OEM_DPT, 116 .dsOS = (uint32_t)OS_FREE_BSD, /* XXX */ 117 .dsCapabilities = CAP_ABOVE16MB, 118 .dsDeviceSupp = DEV_ALL, 119 .dsAdapterSupp = ADF_ALL_SC5, 120 .dsApplication = 0, 121 .dsRequirements = 0, 122 .dsVersion = DPTI_VERSION, 123 .dsRevision = DPTI_REVISION, 124 .dsSubRevision = DPTI_SUBREVISION, 125 .dsMonth = DPTI_MONTH, 126 .dsDay = DPTI_DAY, 127 .dsYear = DPTI_YEAR, 128 .dsDescription = { '\0' }, /* Will be filled later */ 129 }; 130 131 void dpti_attach(device_t, device_t, void *); 132 int dpti_blinkled(struct dpti_softc *); 133 int dpti_ctlrinfo(struct dpti_softc *, int, void *); 134 int dpti_match(device_t, cfdata_t, 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 .d_open = dptiopen, 143 .d_close = nullclose, 144 .d_read = noread, 145 .d_write = nowrite, 146 .d_ioctl = dptiioctl, 147 .d_stop = nostop, 148 .d_tty = notty, 149 .d_poll = nopoll, 150 .d_mmap = nommap, 151 .d_kqfilter = nokqfilter, 152 .d_discard = nodiscard, 153 .d_flag = D_OTHER | D_MPSAFE, 154 }; 155 156 CFATTACH_DECL_NEW(dpti, sizeof(struct dpti_softc), 157 dpti_match, dpti_attach, NULL, NULL); 158 159 int 160 dpti_match(device_t parent, cfdata_t match, void *aux) 161 { 162 struct iop_attach_args *ia; 163 struct iop_softc *iop; 164 165 ia = aux; 166 iop = device_private(parent); 167 168 if (ia->ia_class != I2O_CLASS_ANY || ia->ia_tid != I2O_TID_IOP) 169 return (0); 170 171 if (le16toh(iop->sc_status.orgid) != I2O_ORG_DPT) 172 return (0); 173 174 return (1); 175 } 176 177 void 178 dpti_attach(device_t parent, device_t self, void *aux) 179 { 180 struct iop_softc *iop; 181 struct dpti_softc *sc; 182 struct { 183 struct i2o_param_op_results pr; 184 struct i2o_param_read_results prr; 185 struct i2o_dpt_param_exec_iop_buffers dib; 186 } __packed param; 187 int rv; 188 189 sc = device_private(self); 190 sc->sc_dev = self; 191 iop = device_private(parent); 192 193 /* 194 * Tell the world what we are. The description in the signature 195 * must be no more than 46 bytes long (see dptivar.h). 196 */ 197 printf(": DPT/Adaptec RAID management interface\n"); 198 snprintf(dpti_sig.dsDescription, sizeof(dpti_sig.dsDescription), 199 "NetBSD %s I2O OSM", osrelease); 200 201 rv = iop_field_get_all(iop, I2O_TID_IOP, 202 I2O_DPT_PARAM_EXEC_IOP_BUFFERS, ¶m, 203 sizeof(param), NULL); 204 if (rv != 0) 205 return; 206 207 sc->sc_blinkled = le32toh(param.dib.serialoutputoff) + 8; 208 } 209 210 int 211 dptiopen(dev_t dev, int flag, int mode, 212 struct lwp *l) 213 { 214 215 if (device_lookup(&dpti_cd, minor(dev)) == NULL) 216 return (ENXIO); 217 218 return (0); 219 } 220 221 int 222 dptiioctl(dev_t dev, u_long cmd, void *data, int flag, struct lwp *l) 223 { 224 struct iop_softc *iop; 225 struct dpti_softc *sc; 226 struct ioctl_pt *pt; 227 int i, size, rv, linux; 228 229 sc = device_lookup_private(&dpti_cd, minor(dev)); 230 iop = device_private(device_parent(sc->sc_dev)); 231 rv = 0; 232 233 if (cmd == PTIOCLINUX) { 234 pt = (struct ioctl_pt *)data; 235 size = IOCPARM_LEN(pt->com); 236 cmd = pt->com & 0xffff; 237 data = pt->data; 238 linux = 1; 239 } else { 240 size = IOCPARM_LEN(cmd); 241 cmd = cmd & 0xffff; 242 linux = 0; 243 } 244 245 mutex_enter(&iop->sc_conflock); 246 switch (cmd) { 247 case DPT_SIGNATURE: 248 if (size > sizeof(dpti_sig)) 249 size = sizeof(dpti_sig); 250 memcpy(data, &dpti_sig, size); 251 break; 252 253 case DPT_CTRLINFO: 254 rv = dpti_ctlrinfo(sc, size, data); 255 break; 256 257 case DPT_SYSINFO: 258 rv = dpti_sysinfo(sc, size, data); 259 break; 260 261 case DPT_BLINKLED: 262 if ((i = dpti_blinkled(sc)) == -1) 263 i = 0; 264 265 if (size == 0) { 266 rv = copyout(&i, *(void **)data, sizeof(i)); 267 break; 268 } 269 270 *(int *)data = i; 271 break; 272 273 case DPT_TARGET_BUSY: 274 /* 275 * XXX This is here to stop linux_machdepioctl() from 276 * whining about an unknown ioctl. 277 */ 278 rv = EIO; 279 break; 280 281 case DPT_I2OUSRCMD: 282 rv = kauth_authorize_device_passthru(l->l_cred, dev, 283 KAUTH_REQ_DEVICE_RAWIO_PASSTHRU_ALL, data); 284 if (rv) 285 break; 286 287 if (linux) { 288 rv = dpti_passthrough(sc, data, l->l_proc); 289 } else { 290 rv = dpti_passthrough(sc, *(void **)data, l->l_proc); 291 } 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 rv = iop_reconfigure(iop, 0); 302 break; 303 304 default: 305 rv = ENOTTY; 306 break; 307 } 308 mutex_exit(&iop->sc_conflock); 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 = device_private(device_parent(sc->sc_dev)); 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 = device_private(device_parent(sc->sc_dev)); 339 340 memset(&info, 0, sizeof(info)); 341 342 info.length = sizeof(info) - sizeof(u_int16_t); 343 info.drvrHBAnum = device_unit(sc->sc_dev); 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, uimin(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, uimin(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 = device_private(device_parent(sc->sc_dev)); 461 im = NULL; 462 463 if ((rv = dpti_blinkled(sc)) != -1) { 464 if (rv != 0) { 465 aprint_error_dev(sc->sc_dev, "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_dev))); 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_dev))); 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_dev)); 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_dev)); 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_dev)); 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_dev))); 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_dev))); 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_dev))); 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_dev))); 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_dev))); 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_dev))); 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_dev))); 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_dev))); 582 goto bad; 583 } 584 585 // XXX: 32 bits 586 bufs[nbuf].db_ptr = (void *)(intptr_t)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 // XXX: 32 bits 612 bufs[nbuf].db_frags[nfrag].iov_base = 613 (void *)(intptr_t)p[1]; 614 615 sz += p[0] & 0x00ffffff; 616 nfrag++; 617 618 if ((p[0] & I2O_SGL_END) != 0) { 619 if ((p[0] & I2O_SGL_END_BUFFER) == 0) { 620 DPRINTF(( 621 "%s: invalid SGL (3)\n", 622 device_xname(sc->sc_dev))); 623 goto bad; 624 } 625 break; 626 } 627 if ((p[0] & I2O_SGL_END_BUFFER) != 0) 628 break; 629 } 630 bufs[nbuf].db_nfrag = nfrag; 631 632 if (p > pmax) { 633 DPRINTF(("%s: invalid SGL (4)\n", 634 device_xname(sc->sc_dev))); 635 goto bad; 636 } 637 638 if (sz > IOP_MAX_XFER) { 639 DPRINTF(("%s: buffer too large\n", 640 device_xname(sc->sc_dev))); 641 goto bad; 642 } 643 644 bufs[nbuf].db_size = sz; 645 bufs[nbuf].db_ptr = kmem_zalloc(sz, KM_SLEEP); 646 647 for (i = 0, sz = 0; i < bufs[nbuf].db_nfrag; i++) { 648 rv = copyin(bufs[nbuf].db_frags[i].iov_base, 649 (char *)bufs[nbuf].db_ptr + sz, 650 bufs[nbuf].db_frags[i].iov_len); 651 if (rv != 0) { 652 DPRINTF(("%s: frag copyin\n", 653 device_xname(sc->sc_dev))); 654 goto bad; 655 } 656 sz += bufs[nbuf].db_frags[i].iov_len; 657 } 658 659 if ((p[0] & I2O_SGL_END) != 0) 660 break; 661 } 662 663 if (nbuf == IOP_MAX_MSG_XFERS) { 664 DPRINTF(("%s: too many transfers\n", 665 device_xname(sc->sc_dev))); 666 goto bad; 667 } 668 } else 669 nbuf = -1; 670 671 /* 672 * Allocate a wrapper, and adjust the message header fields to 673 * indicate that no scatter-gather list is currently present. 674 */ 675 676 im = iop_msg_alloc(iop, IM_WAIT | IM_NOSTATUS); 677 im->im_rb = (struct i2o_reply *)rbtmp; 678 mf = (struct i2o_msg *)mbtmp; 679 mf->msgictx = IOP_ICTX; 680 mf->msgtctx = im->im_tctx; 681 682 if (sgoff != 0) 683 mf->msgflags = (mf->msgflags & 0xff0f) | (sgoff << 16); 684 685 /* 686 * Map the data transfer(s). 687 */ 688 for (i = 0; i <= nbuf; i++) { 689 rv = iop_msg_map(iop, im, mbtmp, bufs[i].db_ptr, 690 bufs[i].db_size, bufs[i].db_out, bufs[i].db_proc); 691 if (rv != 0) { 692 DPRINTF(("%s: msg_map failed, rv = %d\n", 693 device_xname(sc->sc_dev), rv)); 694 goto bad; 695 } 696 mapped = 1; 697 } 698 699 /* 700 * Start the command and sleep until it completes. 701 */ 702 if ((rv = iop_msg_post(iop, im, mbtmp, 5*60*1000)) != 0) 703 goto bad; 704 705 /* 706 * Copy out the reply frame. 707 */ 708 if ((rv = copyout(rbtmp, (char *)data + msgsize, repsize)) != 0) { 709 DPRINTF(("%s: reply copyout() failed\n", 710 device_xname(sc->sc_dev))); 711 } 712 713 bad: 714 /* 715 * Free resources and return to the caller. 716 */ 717 if (im != NULL) { 718 if (mapped) 719 iop_msg_unmap(iop, im); 720 iop_msg_free(iop, im); 721 } 722 723 for (i = 0; i <= nbuf; i++) { 724 if (bufs[i].db_proc != NULL) 725 continue; 726 727 if (!bufs[i].db_out && rv == 0) { 728 for (j = 0, sz = 0; j < bufs[i].db_nfrag; j++) { 729 rv = copyout((char *)bufs[i].db_ptr + sz, 730 bufs[i].db_frags[j].iov_base, 731 bufs[i].db_frags[j].iov_len); 732 if (rv != 0) 733 break; 734 sz += bufs[i].db_frags[j].iov_len; 735 } 736 } 737 738 if (bufs[i].db_ptr != NULL) 739 kmem_free(bufs[i].db_ptr, bufs[i].db_size); 740 } 741 742 return (rv); 743 } 744
Indexes created Sun Sep 28 16:09:52 GMT 2025