1 /* $NetBSD: dpti.c,v 1.18 2004/04/22 00:17:10 itojun Exp $ */ 2 3 /*- 4 * Copyright (c) 2001 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 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /* 40 * Copyright (c) 1996-2000 Distributed Processing Technology Corporation 41 * Copyright (c) 2000 Adaptec Corporation 42 * All rights reserved. 43 * 44 * TERMS AND CONDITIONS OF USE 45 * 46 * Redistribution and use in source form, with or without modification, are 47 * permitted provided that redistributions of source code must retain the 48 * above copyright notice, this list of conditions and the following disclaimer. 49 * 50 * This software is provided `as is' by Adaptec and any express or implied 51 * warranties, including, but not limited to, the implied warranties of 52 * merchantability and fitness for a particular purpose, are disclaimed. In no 53 * event shall Adaptec be liable for any direct, indirect, incidental, special, 54 * exemplary or consequential damages (including, but not limited to, 55 * procurement of substitute goods or services; loss of use, data, or profits; 56 * or business interruptions) however caused and on any theory of liability, 57 * whether in contract, strict liability, or tort (including negligence or 58 * otherwise) arising in any way out of the use of this driver software, even 59 * if advised of the possibility of such damage. 60 */ 61 62 /* 63 * Adaptec/DPT I2O control interface. 64 */ 65 66 #include <sys/cdefs.h> 67 __KERNEL_RCSID(0, "$NetBSD: dpti.c,v 1.18 2004/04/22 00:17:10 itojun Exp $"); 68 69 #include "opt_i2o.h" 70 71 #include <sys/param.h> 72 #include <sys/systm.h> 73 #include <sys/kernel.h> 74 #include <sys/device.h> 75 #include <sys/queue.h> 76 #include <sys/proc.h> 77 #include <sys/endian.h> 78 #include <sys/malloc.h> 79 #include <sys/conf.h> 80 #include <sys/ioctl.h> 81 82 #include <uvm/uvm_extern.h> 83 84 #include <machine/bus.h> 85 #ifdef __i386__ 86 #include <machine/pio.h> 87 #endif 88 89 #include <dev/i2o/i2o.h> 90 #include <dev/i2o/i2odpt.h> 91 #include <dev/i2o/iopio.h> 92 #include <dev/i2o/iopvar.h> 93 #include <dev/i2o/dptivar.h> 94 95 #ifdef I2ODEBUG 96 #define DPRINTF(x) printf x 97 #else 98 #define DPRINTF(x) 99 #endif 100 101 static struct dpt_sig dpti_sig = { 102 { 'd', 'P', 't', 'S', 'i', 'G'}, 103 SIG_VERSION, 104 #if defined(__i386__) 105 PROC_INTEL, 106 #elif defined(__powerpc__) 107 PROC_POWERPC, 108 #elif defined(__alpha__) 109 PROC_ALPHA, 110 #elif defined(__mips__) 111 PROC_MIPS, 112 #elif defined(__sparc64__) 113 PROC_ULTRASPARC, 114 #endif 115 #if defined(__i386__) 116 PROC_386 | PROC_486 | PROC_PENTIUM | PROC_SEXIUM, 117 #else 118 0, 119 #endif 120 FT_HBADRVR, 121 0, 122 OEM_DPT, 123 OS_FREE_BSD, /* XXX */ 124 CAP_ABOVE16MB, 125 DEV_ALL, 126 ADF_ALL_SC5, 127 0, 128 0, 129 DPTI_VERSION, 130 DPTI_REVISION, 131 DPTI_SUBREVISION, 132 DPTI_MONTH, 133 DPTI_DAY, 134 DPTI_YEAR, 135 "" /* Will be filled later */ 136 }; 137 138 void dpti_attach(struct device *, struct device *, void *); 139 int dpti_blinkled(struct dpti_softc *); 140 int dpti_ctlrinfo(struct dpti_softc *, int, caddr_t); 141 int dpti_match(struct device *, struct cfdata *, void *); 142 int dpti_passthrough(struct dpti_softc *, caddr_t, struct proc *); 143 int dpti_sysinfo(struct dpti_softc *, int, caddr_t); 144 145 dev_type_open(dptiopen); 146 dev_type_ioctl(dptiioctl); 147 148 const struct cdevsw dpti_cdevsw = { 149 dptiopen, nullclose, noread, nowrite, dptiioctl, 150 nostop, notty, nopoll, nommap, nokqfilter, 151 }; 152 153 extern struct cfdriver dpti_cd; 154 155 CFATTACH_DECL(dpti, sizeof(struct dpti_softc), 156 dpti_match, dpti_attach, NULL, NULL); 157 158 int 159 dpti_match(struct device *parent, struct cfdata *match, void *aux) 160 { 161 struct iop_attach_args *ia; 162 struct iop_softc *iop; 163 164 ia = aux; 165 iop = (struct iop_softc *)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(struct device *parent, struct device *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 } __attribute__ ((__packed__)) param; 186 int rv; 187 188 sc = (struct dpti_softc *)self; 189 iop = (struct iop_softc *)parent; 190 191 /* 192 * Tell the world what we are. The description in the signature 193 * must be no more than 46 bytes long (see dptivar.h). 194 */ 195 printf(": DPT/Adaptec RAID management interface\n"); 196 snprintf(dpti_sig.dsDescription, sizeof(dpti_sig.dsDescription), 197 "NetBSD %s I2O OSM", osrelease); 198 199 rv = iop_field_get_all(iop, I2O_TID_IOP, 200 I2O_DPT_PARAM_EXEC_IOP_BUFFERS, ¶m, 201 sizeof(param), NULL); 202 if (rv != 0) 203 return; 204 205 sc->sc_blinkled = le32toh(param.dib.serialoutputoff) + 8; 206 } 207 208 int 209 dptiopen(dev_t dev, int flag, int mode, struct proc *p) 210 { 211 212 if (securelevel > 1) 213 return (EPERM); 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, caddr_t data, int flag, struct proc *p) 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(&dpti_cd, minor(dev)); 229 iop = (struct iop_softc *)sc->sc_dv.dv_parent; 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, *(caddr_t *)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 if (sc->sc_nactive++ >= 2) 281 tsleep(&sc->sc_nactive, PRIBIO, "dptislp", 0); 282 283 if (linux) 284 rv = dpti_passthrough(sc, data, p); 285 else 286 rv = dpti_passthrough(sc, *(caddr_t *)data, p); 287 288 sc->sc_nactive--; 289 wakeup_one(&sc->sc_nactive); 290 break; 291 292 case DPT_I2ORESETCMD: 293 printf("%s: I2ORESETCMD not implemented\n", 294 sc->sc_dv.dv_xname); 295 rv = EOPNOTSUPP; 296 break; 297 298 case DPT_I2ORESCANCMD: 299 if ((rv = lockmgr(&iop->sc_conflock, LK_EXCLUSIVE, NULL)) != 0) 300 break; 301 rv = iop_reconfigure(iop, 0); 302 lockmgr(&iop->sc_conflock, LK_RELEASE, NULL); 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 *)sc->sc_dv.dv_parent; 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, caddr_t data) 333 { 334 struct dpt_ctlrinfo info; 335 struct iop_softc *iop; 336 int rv, i; 337 338 iop = (struct iop_softc *)sc->sc_dv.dv_parent; 339 340 memset(&info, 0, sizeof(info)); 341 342 info.length = sizeof(info) - sizeof(u_int16_t); 343 info.drvrHBAnum = sc->sc_dv.dv_unit; 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(*data)) { 354 memcpy(data, &info, min(sizeof(info), size)); 355 rv = 0; 356 } else 357 rv = copyout(&info, *(caddr_t *)data, sizeof(info)); 358 359 return (rv); 360 } 361 362 int 363 dpti_sysinfo(struct dpti_softc *sc, int size, caddr_t 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(*data)) { 439 memcpy(data, &info, min(sizeof(info), size)); 440 rv = 0; 441 } else 442 rv = copyout(&info, *(caddr_t *)data, sizeof(info)); 443 444 return (rv); 445 } 446 447 int 448 dpti_passthrough(struct dpti_softc *sc, caddr_t 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 *)sc->sc_dv.dv_parent; 461 im = NULL; 462 463 if ((rv = dpti_blinkled(sc)) != -1) { 464 if (rv != 0) { 465 printf("%s: adapter blinkled = 0x%02x\n", 466 sc->sc_dv.dv_xname, 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 sc->sc_dv.dv_xname)); 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 sc->sc_dv.dv_xname)); 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 sc->sc_dv.dv_xname); 495 return (EOPNOTSUPP); 496 497 case I2O_EXEC_OUTBOUND_INIT: 498 printf("%s: I2O_EXEC_OUTBOUND_INIT not implemented\n", 499 sc->sc_dv.dv_xname); 500 return (EOPNOTSUPP); 501 502 case I2O_EXEC_SYS_TAB_SET: 503 printf("%s: I2O_EXEC_SYS_TAB_SET not implemented\n", 504 sc->sc_dv.dv_xname); 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, 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 sc->sc_dv.dv_xname)); 520 return (rv); 521 } 522 523 /* 524 * Determine the size of the reply frame, and copy it in. 525 */ 526 if ((rv = copyin(data + msgsize, &rh, sizeof(rh))) != 0) { 527 DPRINTF(("%s: reply copyin failed\n", 528 sc->sc_dv.dv_xname)); 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 sc->sc_dv.dv_xname)); 536 return (EINVAL); 537 } 538 539 if ((rv = copyin(data + msgsize, rbtmp, repsize)) != 0) { 540 DPRINTF(("%s: reply too large\n", sc->sc_dv.dv_xname)); 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 if ((sgoff = ((mh.msgflags >> 4) & 15)) != 0) { 551 if ((sgoff + 2) > (msgsize >> 2)) { 552 DPRINTF(("%s: invalid message size fields\n", 553 sc->sc_dv.dv_xname)); 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 sc->sc_dv.dv_xname)); 566 goto bad; 567 } 568 569 if ((p[0] & 0x30000000) != I2O_SGL_SIMPLE) { 570 DPRINTF(("%s: invalid SGL (2)\n", 571 sc->sc_dv.dv_xname)); 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 sc->sc_dv.dv_xname)); 582 goto bad; 583 } 584 585 bufs[nbuf].db_ptr = (caddr_t)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 sc->sc_dv.dv_xname)); 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 sc->sc_dv.dv_xname)); 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 sc->sc_dv.dv_xname)); 633 goto bad; 634 } 635 636 if (sz > IOP_MAX_XFER) { 637 DPRINTF(("%s: buffer too large\n", 638 sc->sc_dv.dv_xname)); 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 sc->sc_dv.dv_xname)); 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 bufs[nbuf].db_ptr + sz, 654 bufs[nbuf].db_frags[i].iov_len); 655 if (rv != 0) { 656 DPRINTF(("%s: frag copyin\n", 657 sc->sc_dv.dv_xname)); 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 sc->sc_dv.dv_xname)); 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 mapped = 0; 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 sc->sc_dv.dv_xname, 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, data + msgsize, repsize)) != 0) 714 DPRINTF(("%s: reply copyout() failed\n", 715 sc->sc_dv.dv_xname)); 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(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