dpti.c revision 1.49
1 /* $NetBSD: dpti.c,v 1.49 2017/10/28 04:53:55 riastradh 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 1.49 2017/10/28 04:53:55 riastradh 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 #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, 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 switch (cmd) { 246 case DPT_SIGNATURE: 247 if (size > sizeof(dpti_sig)) 248 size = sizeof(dpti_sig); 249 memcpy(data, &dpti_sig, size); 250 break; 251 252 case DPT_CTRLINFO: 253 rv = dpti_ctlrinfo(sc, size, data); 254 break; 255 256 case DPT_SYSINFO: 257 rv = dpti_sysinfo(sc, size, data); 258 break; 259 260 case DPT_BLINKLED: 261 if ((i = dpti_blinkled(sc)) == -1) 262 i = 0; 263 264 if (size == 0) { 265 rv = copyout(&i, *(void **)data, sizeof(i)); 266 break; 267 } 268 269 *(int *)data = i; 270 break; 271 272 case DPT_TARGET_BUSY: 273 /* 274 * XXX This is here to stop linux_machdepioctl() from 275 * whining about an unknown ioctl. 276 */ 277 rv = EIO; 278 break; 279 280 case DPT_I2OUSRCMD: 281 rv = kauth_authorize_device_passthru(l->l_cred, dev, 282 KAUTH_REQ_DEVICE_RAWIO_PASSTHRU_ALL, data); 283 if (rv) 284 break; 285 286 mutex_enter(&iop->sc_conflock); 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 mutex_exit(&iop->sc_conflock); 293 break; 294 295 case DPT_I2ORESETCMD: 296 printf("%s: I2ORESETCMD not implemented\n", 297 device_xname(sc->sc_dev)); 298 rv = EOPNOTSUPP; 299 break; 300 301 case DPT_I2ORESCANCMD: 302 mutex_enter(&iop->sc_conflock); 303 rv = iop_reconfigure(iop, 0); 304 mutex_exit(&iop->sc_conflock); 305 break; 306 307 default: 308 rv = ENOTTY; 309 break; 310 } 311 312 return (rv); 313 } 314 315 int 316 dpti_blinkled(struct dpti_softc *sc) 317 { 318 struct iop_softc *iop; 319 u_int v; 320 321 iop = device_private(device_parent(sc->sc_dev)); 322 323 v = bus_space_read_1(iop->sc_iot, iop->sc_ioh, sc->sc_blinkled + 0); 324 if (v == 0xbc) { 325 v = bus_space_read_1(iop->sc_iot, iop->sc_ioh, 326 sc->sc_blinkled + 1); 327 return (v); 328 } 329 330 return (-1); 331 } 332 333 int 334 dpti_ctlrinfo(struct dpti_softc *sc, int size, void *data) 335 { 336 struct dpt_ctlrinfo info; 337 struct iop_softc *iop; 338 int rv, i; 339 340 iop = device_private(device_parent(sc->sc_dev)); 341 342 memset(&info, 0, sizeof(info)); 343 344 info.length = sizeof(info) - sizeof(u_int16_t); 345 info.drvrHBAnum = device_unit(sc->sc_dev); 346 info.baseAddr = iop->sc_memaddr; 347 if ((i = dpti_blinkled(sc)) == -1) 348 i = 0; 349 info.blinkState = i; 350 info.pciBusNum = iop->sc_pcibus; 351 info.pciDeviceNum = iop->sc_pcidev; 352 info.hbaFlags = FLG_OSD_PCI_VALID | FLG_OSD_DMA | FLG_OSD_I2O; 353 info.Interrupt = 10; /* XXX */ 354 355 if (size > sizeof(char)) { 356 memcpy(data, &info, min(sizeof(info), size)); 357 rv = 0; 358 } else 359 rv = copyout(&info, *(void **)data, sizeof(info)); 360 361 return (rv); 362 } 363 364 int 365 dpti_sysinfo(struct dpti_softc *sc, int size, void *data) 366 { 367 struct dpt_sysinfo info; 368 int rv; 369 #ifdef __i386__ 370 int i, j; 371 #endif 372 373 memset(&info, 0, sizeof(info)); 374 375 #ifdef __i386__ 376 outb (0x70, 0x12); 377 i = inb(0x71); 378 j = i >> 4; 379 if (i == 0x0f) { 380 outb (0x70, 0x19); 381 j = inb (0x71); 382 } 383 info.drive0CMOS = j; 384 385 j = i & 0x0f; 386 if (i == 0x0f) { 387 outb (0x70, 0x1a); 388 j = inb (0x71); 389 } 390 info.drive1CMOS = j; 391 info.processorFamily = dpti_sig.dsProcessorFamily; 392 393 /* 394 * Get the conventional memory size from CMOS. 395 */ 396 outb(0x70, 0x16); 397 j = inb(0x71); 398 j <<= 8; 399 outb(0x70, 0x15); 400 j |= inb(0x71); 401 info.conventionalMemSize = j; 402 403 /* 404 * Get the extended memory size from CMOS. 405 */ 406 outb(0x70, 0x31); 407 j = inb(0x71); 408 j <<= 8; 409 outb(0x70, 0x30); 410 j |= inb(0x71); 411 info.extendedMemSize = j; 412 413 switch (cpu_class) { 414 case CPUCLASS_386: 415 info.processorType = PROC_386; 416 break; 417 case CPUCLASS_486: 418 info.processorType = PROC_486; 419 break; 420 case CPUCLASS_586: 421 info.processorType = PROC_PENTIUM; 422 break; 423 case CPUCLASS_686: 424 default: 425 info.processorType = PROC_SEXIUM; 426 break; 427 } 428 429 info.flags = SI_CMOS_Valid | SI_BusTypeValid | 430 SI_MemorySizeValid | SI_NO_SmartROM; 431 #else 432 info.flags = SI_BusTypeValid | SI_NO_SmartROM; 433 #endif 434 435 info.busType = SI_PCI_BUS; 436 437 /* 438 * Copy out the info structure to the user. 439 */ 440 if (size > sizeof(char)) { 441 memcpy(data, &info, min(sizeof(info), size)); 442 rv = 0; 443 } else 444 rv = copyout(&info, *(void **)data, sizeof(info)); 445 446 return (rv); 447 } 448 449 int 450 dpti_passthrough(struct dpti_softc *sc, void *data, struct proc *proc) 451 { 452 struct iop_softc *iop; 453 struct i2o_msg mh, *mf; 454 struct i2o_reply rh; 455 struct iop_msg *im; 456 struct dpti_ptbuf bufs[IOP_MAX_MSG_XFERS]; 457 u_int32_t mbtmp[IOP_MAX_MSG_SIZE / sizeof(u_int32_t)]; 458 u_int32_t rbtmp[IOP_MAX_MSG_SIZE / sizeof(u_int32_t)]; 459 int rv, msgsize, repsize, sgoff, i, mapped, nbuf, nfrag, j, sz; 460 u_int32_t *p, *pmax; 461 462 iop = device_private(device_parent(sc->sc_dev)); 463 im = NULL; 464 465 if ((rv = dpti_blinkled(sc)) != -1) { 466 if (rv != 0) { 467 aprint_error_dev(sc->sc_dev, "adapter blinkled = 0x%02x\n", rv); 468 return (EIO); 469 } 470 } 471 472 /* 473 * Copy in the message frame header and determine the size of the 474 * full message frame. 475 */ 476 if ((rv = copyin(data, &mh, sizeof(mh))) != 0) { 477 DPRINTF(("%s: message copyin failed\n", 478 device_xname(sc->sc_dev))); 479 return (rv); 480 } 481 482 msgsize = (mh.msgflags >> 14) & ~3; 483 if (msgsize < sizeof(mh) || msgsize >= IOP_MAX_MSG_SIZE) { 484 DPRINTF(("%s: bad message frame size\n", 485 device_xname(sc->sc_dev))); 486 return (EINVAL); 487 } 488 489 /* 490 * Handle special commands. 491 */ 492 switch (mh.msgfunc >> 24) { 493 case I2O_EXEC_IOP_RESET: 494 printf("%s: I2O_EXEC_IOP_RESET not implemented\n", 495 device_xname(sc->sc_dev)); 496 return (EOPNOTSUPP); 497 498 case I2O_EXEC_OUTBOUND_INIT: 499 printf("%s: I2O_EXEC_OUTBOUND_INIT not implemented\n", 500 device_xname(sc->sc_dev)); 501 return (EOPNOTSUPP); 502 503 case I2O_EXEC_SYS_TAB_SET: 504 printf("%s: I2O_EXEC_SYS_TAB_SET not implemented\n", 505 device_xname(sc->sc_dev)); 506 return (EOPNOTSUPP); 507 508 case I2O_EXEC_STATUS_GET: 509 if ((rv = iop_status_get(iop, 0)) == 0) 510 rv = copyout(&iop->sc_status, (char *)data + msgsize, 511 sizeof(iop->sc_status)); 512 return (rv); 513 } 514 515 /* 516 * Copy in the full message frame. 517 */ 518 if ((rv = copyin(data, mbtmp, msgsize)) != 0) { 519 DPRINTF(("%s: full message copyin failed\n", 520 device_xname(sc->sc_dev))); 521 return (rv); 522 } 523 524 /* 525 * Determine the size of the reply frame, and copy it in. 526 */ 527 if ((rv = copyin((char *)data + msgsize, &rh, sizeof(rh))) != 0) { 528 DPRINTF(("%s: reply copyin failed\n", 529 device_xname(sc->sc_dev))); 530 return (rv); 531 } 532 533 repsize = (rh.msgflags >> 14) & ~3; 534 if (repsize < sizeof(rh) || repsize >= IOP_MAX_MSG_SIZE) { 535 DPRINTF(("%s: bad reply header size\n", 536 device_xname(sc->sc_dev))); 537 return (EINVAL); 538 } 539 540 if ((rv = copyin((char *)data + msgsize, rbtmp, repsize)) != 0) { 541 DPRINTF(("%s: reply too large\n", device_xname(sc->sc_dev))); 542 return (rv); 543 } 544 545 /* 546 * If the message has a scatter gather list, it must be comprised of 547 * simple elements. If any one transfer contains multiple segments, 548 * we allocate a temporary buffer for it; otherwise, the buffer will 549 * be mapped directly. 550 */ 551 mapped = 0; 552 if ((sgoff = ((mh.msgflags >> 4) & 15)) != 0) { 553 if ((sgoff + 2) > (msgsize >> 2)) { 554 DPRINTF(("%s: invalid message size fields\n", 555 device_xname(sc->sc_dev))); 556 return (EINVAL); 557 } 558 559 memset(bufs, 0, sizeof(bufs)); 560 561 p = mbtmp + sgoff; 562 pmax = mbtmp + (msgsize >> 2) - 2; 563 564 for (nbuf = 0; nbuf < IOP_MAX_MSG_XFERS; nbuf++, p += 2) { 565 if (p > pmax) { 566 DPRINTF(("%s: invalid SGL (1)\n", 567 device_xname(sc->sc_dev))); 568 goto bad; 569 } 570 571 if ((p[0] & 0x30000000) != I2O_SGL_SIMPLE) { 572 DPRINTF(("%s: invalid SGL (2)\n", 573 device_xname(sc->sc_dev))); 574 goto bad; 575 } 576 577 bufs[nbuf].db_out = (p[0] & I2O_SGL_DATA_OUT) != 0; 578 bufs[nbuf].db_ptr = NULL; 579 580 if ((p[0] & I2O_SGL_END_BUFFER) != 0) { 581 if ((p[0] & 0x00ffffff) > IOP_MAX_XFER) { 582 DPRINTF(("%s: buffer too large\n", 583 device_xname(sc->sc_dev))); 584 goto bad; 585 } 586 587 // XXX: 32 bits 588 bufs[nbuf].db_ptr = (void *)(intptr_t)p[1]; 589 bufs[nbuf].db_proc = proc; 590 bufs[nbuf].db_size = p[0] & 0x00ffffff; 591 592 if ((p[0] & I2O_SGL_END) != 0) 593 break; 594 595 continue; 596 } 597 598 /* 599 * The buffer has multiple segments. Determine the 600 * total size. 601 */ 602 nfrag = 0; 603 sz = 0; 604 for (; p <= pmax; p += 2) { 605 if (nfrag == DPTI_MAX_SEGS) { 606 DPRINTF(("%s: too many segments\n", 607 device_xname(sc->sc_dev))); 608 goto bad; 609 } 610 611 bufs[nbuf].db_frags[nfrag].iov_len = 612 p[0] & 0x00ffffff; 613 // XXX: 32 bits 614 bufs[nbuf].db_frags[nfrag].iov_base = 615 (void *)(intptr_t)p[1]; 616 617 sz += p[0] & 0x00ffffff; 618 nfrag++; 619 620 if ((p[0] & I2O_SGL_END) != 0) { 621 if ((p[0] & I2O_SGL_END_BUFFER) == 0) { 622 DPRINTF(( 623 "%s: invalid SGL (3)\n", 624 device_xname(sc->sc_dev))); 625 goto bad; 626 } 627 break; 628 } 629 if ((p[0] & I2O_SGL_END_BUFFER) != 0) 630 break; 631 } 632 bufs[nbuf].db_nfrag = nfrag; 633 634 if (p > pmax) { 635 DPRINTF(("%s: invalid SGL (4)\n", 636 device_xname(sc->sc_dev))); 637 goto bad; 638 } 639 640 if (sz > IOP_MAX_XFER) { 641 DPRINTF(("%s: buffer too large\n", 642 device_xname(sc->sc_dev))); 643 goto bad; 644 } 645 646 bufs[nbuf].db_size = sz; 647 bufs[nbuf].db_ptr = malloc(sz, M_DEVBUF, M_WAITOK); 648 if (bufs[nbuf].db_ptr == NULL) { 649 DPRINTF(("%s: allocation failure\n", 650 device_xname(sc->sc_dev))); 651 rv = ENOMEM; 652 goto bad; 653 } 654 655 for (i = 0, sz = 0; i < bufs[nbuf].db_nfrag; i++) { 656 rv = copyin(bufs[nbuf].db_frags[i].iov_base, 657 (char *)bufs[nbuf].db_ptr + sz, 658 bufs[nbuf].db_frags[i].iov_len); 659 if (rv != 0) { 660 DPRINTF(("%s: frag copyin\n", 661 device_xname(sc->sc_dev))); 662 goto bad; 663 } 664 sz += bufs[nbuf].db_frags[i].iov_len; 665 } 666 667 if ((p[0] & I2O_SGL_END) != 0) 668 break; 669 } 670 671 if (nbuf == IOP_MAX_MSG_XFERS) { 672 DPRINTF(("%s: too many transfers\n", 673 device_xname(sc->sc_dev))); 674 goto bad; 675 } 676 } else 677 nbuf = -1; 678 679 /* 680 * Allocate a wrapper, and adjust the message header fields to 681 * indicate that no scatter-gather list is currently present. 682 */ 683 684 im = iop_msg_alloc(iop, IM_WAIT | IM_NOSTATUS); 685 im->im_rb = (struct i2o_reply *)rbtmp; 686 mf = (struct i2o_msg *)mbtmp; 687 mf->msgictx = IOP_ICTX; 688 mf->msgtctx = im->im_tctx; 689 690 if (sgoff != 0) 691 mf->msgflags = (mf->msgflags & 0xff0f) | (sgoff << 16); 692 693 /* 694 * Map the data transfer(s). 695 */ 696 for (i = 0; i <= nbuf; i++) { 697 rv = iop_msg_map(iop, im, mbtmp, bufs[i].db_ptr, 698 bufs[i].db_size, bufs[i].db_out, bufs[i].db_proc); 699 if (rv != 0) { 700 DPRINTF(("%s: msg_map failed, rv = %d\n", 701 device_xname(sc->sc_dev), rv)); 702 goto bad; 703 } 704 mapped = 1; 705 } 706 707 /* 708 * Start the command and sleep until it completes. 709 */ 710 if ((rv = iop_msg_post(iop, im, mbtmp, 5*60*1000)) != 0) 711 goto bad; 712 713 /* 714 * Copy out the reply frame. 715 */ 716 if ((rv = copyout(rbtmp, (char *)data + msgsize, repsize)) != 0) { 717 DPRINTF(("%s: reply copyout() failed\n", 718 device_xname(sc->sc_dev))); 719 } 720 721 bad: 722 /* 723 * Free resources and return to the caller. 724 */ 725 if (im != NULL) { 726 if (mapped) 727 iop_msg_unmap(iop, im); 728 iop_msg_free(iop, im); 729 } 730 731 for (i = 0; i <= nbuf; i++) { 732 if (bufs[i].db_proc != NULL) 733 continue; 734 735 if (!bufs[i].db_out && rv == 0) { 736 for (j = 0, sz = 0; j < bufs[i].db_nfrag; j++) { 737 rv = copyout((char *)bufs[i].db_ptr + sz, 738 bufs[i].db_frags[j].iov_base, 739 bufs[i].db_frags[j].iov_len); 740 if (rv != 0) 741 break; 742 sz += bufs[i].db_frags[j].iov_len; 743 } 744 } 745 746 if (bufs[i].db_ptr != NULL) 747 free(bufs[i].db_ptr, M_DEVBUF); 748 } 749 750 return (rv); 751 } 752
Indexes created Mon Sep 29 18:09:42 GMT 2025