1 /* $NetBSD: dpti.c,v 1.8 2002/10/02 16:33:51 thorpej 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 1.8 2002/10/02 16:33:51 thorpej 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 *, u_long, 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 *, u_long, 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, 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 sprintf(dpti_sig.dsDescription, "NetBSD %s I2O OSM", osrelease); 197 198 rv = iop_field_get_all(iop, I2O_TID_IOP, 199 I2O_DPT_PARAM_EXEC_IOP_BUFFERS, ¶m, 200 sizeof(param), NULL); 201 if (rv != 0) 202 return; 203 204 sc->sc_blinkled = le32toh(param.dib.serialoutputoff) + 8; 205 } 206 207 int 208 dptiopen(dev_t dev, int flag, int mode, struct proc *p) 209 { 210 211 if (securelevel > 1) 212 return (EPERM); 213 if (device_lookup(&dpti_cd, minor(dev)) == NULL) 214 return (ENXIO); 215 216 return (0); 217 } 218 219 int 220 dptiioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p) 221 { 222 struct iop_softc *iop; 223 struct dpti_softc *sc; 224 struct ioctl_pt *pt; 225 int i, size, rv; 226 227 sc = device_lookup(&dpti_cd, minor(dev)); 228 iop = (struct iop_softc *)sc->sc_dv.dv_parent; 229 230 /* 231 * Currently, we only take ioctls passed down from the Linux 232 * emulation layer. 233 */ 234 if (cmd == PTIOCLINUX) { 235 pt = (struct ioctl_pt *)data; 236 cmd = pt->com; 237 data = pt->data; 238 } else 239 return (ENOTTY); 240 241 size = IOCPARM_LEN(cmd); 242 243 switch (cmd & 0xffff) { 244 case DPT_SIGNATURE: 245 if (size > sizeof(dpti_sig)) 246 size = sizeof(dpti_sig); 247 memcpy(data, &dpti_sig, size); 248 return (0); 249 250 case DPT_CTRLINFO: 251 return (dpti_ctlrinfo(sc, cmd, data)); 252 253 case DPT_SYSINFO: 254 return (dpti_sysinfo(sc, cmd, data)); 255 256 case DPT_BLINKLED: 257 if ((i = dpti_blinkled(sc)) == -1) 258 i = 0; 259 260 if (size == 0) 261 return (copyout(&i, *(caddr_t *)data, sizeof(i))); 262 263 *(int *)data = i; 264 return (0); 265 266 case DPT_TARGET_BUSY: 267 /* 268 * XXX This is here to stop linux_machdepioctl() from 269 * whining about an unknown ioctl. Really, it should be 270 * implemented. 271 */ 272 return (EIO); 273 274 case DPT_I2OUSRCMD: 275 if (sc->sc_nactive++ >= 2) 276 tsleep(&sc->sc_nactive, PRIBIO, "dptislp", 0); 277 278 rv = dpti_passthrough(sc, data, p); 279 280 sc->sc_nactive--; 281 wakeup_one(&sc->sc_nactive); 282 return (rv); 283 284 case DPT_I2ORESETCMD: 285 printf("%s: I2ORESETCMD not implemented\n", 286 sc->sc_dv.dv_xname); 287 return (EOPNOTSUPP); 288 289 case DPT_I2ORESCANCMD: 290 return (iop_reconfigure(iop, 0)); 291 292 default: 293 return (ENOTTY); 294 } 295 } 296 297 int 298 dpti_blinkled(struct dpti_softc *sc) 299 { 300 struct iop_softc *iop; 301 u_int v; 302 303 iop = (struct iop_softc *)sc->sc_dv.dv_parent; 304 305 v = bus_space_read_1(iop->sc_iot, iop->sc_ioh, sc->sc_blinkled + 0); 306 if (v == 0xbc) { 307 v = bus_space_read_1(iop->sc_iot, iop->sc_ioh, 308 sc->sc_blinkled + 1); 309 return (v); 310 } 311 312 return (-1); 313 } 314 315 int 316 dpti_ctlrinfo(struct dpti_softc *sc, u_long cmd, caddr_t data) 317 { 318 struct dpt_ctlrinfo info; 319 struct iop_softc *iop; 320 int rv, i; 321 322 iop = (struct iop_softc *)sc->sc_dv.dv_parent; 323 324 memset(&info, 0, sizeof(info)); 325 326 info.length = sizeof(info) - sizeof(u_int16_t); 327 info.drvrHBAnum = sc->sc_dv.dv_unit; 328 info.baseAddr = iop->sc_memaddr; 329 if ((i = dpti_blinkled(sc)) == -1) 330 i = 0; 331 info.blinkState = i; 332 info.pciBusNum = iop->sc_pcibus; 333 info.pciDeviceNum = iop->sc_pcidev; 334 info.hbaFlags = FLG_OSD_PCI_VALID | FLG_OSD_DMA | FLG_OSD_I2O; 335 info.Interrupt = 10; /* XXX */ 336 337 if (IOCPARM_LEN(cmd) > sizeof(*data)) { 338 memcpy(data, &info, min(sizeof(info), IOCPARM_LEN(cmd))); 339 rv = 0; 340 } else 341 rv = copyout(&info, *(caddr_t *)data, sizeof(info)); 342 343 return (rv); 344 } 345 346 int 347 dpti_sysinfo(struct dpti_softc *sc, u_long cmd, caddr_t data) 348 { 349 struct dpt_sysinfo info; 350 int rv; 351 #ifdef i386 352 int i, j; 353 #endif 354 355 memset(&info, 0, sizeof(info)); 356 357 #ifdef i386 358 outb (0x70, 0x12); 359 i = inb(0x71); 360 j = i >> 4; 361 if (i == 0x0f) { 362 outb (0x70, 0x19); 363 j = inb (0x71); 364 } 365 info.drive0CMOS = j; 366 367 j = i & 0x0f; 368 if (i == 0x0f) { 369 outb (0x70, 0x1a); 370 j = inb (0x71); 371 } 372 info.drive1CMOS = j; 373 info.processorFamily = dpti_sig.dsProcessorFamily; 374 375 /* 376 * Get the conventional memory size from CMOS. 377 */ 378 outb(0x70, 0x16); 379 j = inb(0x71); 380 j <<= 8; 381 outb(0x70, 0x15); 382 j |= inb(0x71); 383 info.conventionalMemSize = j; 384 385 /* 386 * Get the extended memory size from CMOS. 387 */ 388 outb(0x70, 0x31); 389 j = inb(0x71); 390 j <<= 8; 391 outb(0x70, 0x30); 392 j |= inb(0x71); 393 info.extendedMemSize = j; 394 395 switch (cpu_class) { 396 case CPUCLASS_386: 397 info.processorType = PROC_386; 398 break; 399 case CPUCLASS_486: 400 info.processorType = PROC_486; 401 break; 402 case CPUCLASS_586: 403 info.processorType = PROC_PENTIUM; 404 break; 405 case CPUCLASS_686: 406 default: 407 info.processorType = PROC_SEXIUM; 408 break; 409 } 410 411 info.flags = SI_CMOS_Valid | SI_BusTypeValid | 412 SI_MemorySizeValid | SI_NO_SmartROM; 413 #else 414 info.flags = SI_BusTypeValid | SI_NO_SmartROM; 415 #endif 416 417 info.busType = SI_PCI_BUS; 418 419 /* 420 * Copy out the info structure to the user. 421 */ 422 if (IOCPARM_LEN(cmd) > sizeof(*data)) { 423 memcpy(data, &info, min(sizeof(info), IOCPARM_LEN(cmd))); 424 rv = 0; 425 } else 426 rv = copyout(&info, *(caddr_t *)data, sizeof(info)); 427 428 return (rv); 429 } 430 431 int 432 dpti_passthrough(struct dpti_softc *sc, caddr_t data, struct proc *proc) 433 { 434 struct iop_softc *iop; 435 struct i2o_msg mh, *mf; 436 struct i2o_reply rh; 437 struct iop_msg *im; 438 struct dpti_ptbuf bufs[IOP_MAX_MSG_XFERS]; 439 u_int32_t mbtmp[IOP_MAX_MSG_SIZE / sizeof(u_int32_t)]; 440 u_int32_t rbtmp[IOP_MAX_MSG_SIZE / sizeof(u_int32_t)]; 441 int rv, msgsize, repsize, sgoff, i, mapped, nbuf, nfrag, j, sz; 442 u_int32_t *p, *pmax, *pstart; 443 444 iop = (struct iop_softc *)sc->sc_dv.dv_parent; 445 im = NULL; 446 447 if ((rv = dpti_blinkled(sc)) != -1) { 448 if (rv != 0) { 449 printf("%s: adapter blinkled = 0x%02x\n", 450 sc->sc_dv.dv_xname, rv); 451 return (EIO); 452 } 453 } 454 455 /* 456 * Copy in the message frame header and determine the size of the 457 * full message frame. 458 */ 459 if ((rv = copyin(data, &mh, sizeof(mh))) != 0) { 460 DPRINTF(("%s: message copyin failed\n", 461 sc->sc_dv.dv_xname)); 462 return (rv); 463 } 464 465 msgsize = (mh.msgflags >> 14) & ~3; 466 if (msgsize < sizeof(mh) || msgsize >= IOP_MAX_MSG_SIZE) { 467 DPRINTF(("%s: bad message frame size\n", 468 sc->sc_dv.dv_xname)); 469 return (EINVAL); 470 } 471 472 /* 473 * Handle special commands. 474 */ 475 switch (mh.msgfunc >> 24) { 476 case I2O_EXEC_IOP_RESET: 477 printf("%s: I2O_EXEC_IOP_RESET not implemented\n", 478 sc->sc_dv.dv_xname); 479 return (EOPNOTSUPP); 480 481 case I2O_EXEC_OUTBOUND_INIT: 482 printf("%s: I2O_EXEC_OUTBOUND_INIT not implemented\n", 483 sc->sc_dv.dv_xname); 484 return (EOPNOTSUPP); 485 486 case I2O_EXEC_SYS_TAB_SET: 487 printf("%s: I2O_EXEC_SYS_TAB_SET not implemented\n", 488 sc->sc_dv.dv_xname); 489 return (EOPNOTSUPP); 490 491 case I2O_EXEC_STATUS_GET: 492 if ((rv = iop_status_get(iop, 0)) == 0) 493 rv = copyout(&iop->sc_status, data + msgsize, 494 sizeof(iop->sc_status)); 495 return (rv); 496 } 497 498 /* 499 * Copy in the full message frame. 500 */ 501 if ((rv = copyin(data, mbtmp, msgsize)) != 0) { 502 DPRINTF(("%s: full message copyin failed\n", 503 sc->sc_dv.dv_xname)); 504 return (rv); 505 } 506 507 /* 508 * Determine the size of the reply frame, and copy it in. 509 */ 510 if ((rv = copyin(data + msgsize, &rh, sizeof(rh))) != 0) { 511 DPRINTF(("%s: reply copyin failed\n", 512 sc->sc_dv.dv_xname)); 513 return (rv); 514 } 515 516 repsize = (rh.msgflags >> 14) & ~3; 517 if (repsize < sizeof(rh) || repsize >= IOP_MAX_MSG_SIZE) { 518 DPRINTF(("%s: bad reply header size\n", 519 sc->sc_dv.dv_xname)); 520 return (EINVAL); 521 } 522 523 if ((rv = copyin(data + msgsize, rbtmp, repsize)) != 0) { 524 DPRINTF(("%s: reply too large\n", sc->sc_dv.dv_xname)); 525 return (rv); 526 } 527 528 /* 529 * If the message has a scatter gather list, it must be comprised of 530 * simple elements. If any one transfer contains multiple segments, 531 * we allocate a temporary buffer for it; otherwise, the buffer will 532 * be mapped directly. 533 */ 534 if ((sgoff = ((mh.msgflags >> 4) & 15)) != 0) { 535 if ((sgoff + 2) > (msgsize >> 2)) { 536 DPRINTF(("%s: invalid message size fields\n", 537 sc->sc_dv.dv_xname)); 538 return (EINVAL); 539 } 540 541 memset(bufs, 0, sizeof(bufs)); 542 } else 543 nbuf = -1; 544 545 rv = EINVAL; 546 547 if (sgoff != 0) { 548 p = mbtmp + sgoff; 549 pmax = mbtmp + (msgsize >> 2) - 2; 550 551 for (nbuf = 0; nbuf < IOP_MAX_MSG_XFERS; nbuf++, p += 2) { 552 if (p > pmax) { 553 DPRINTF(("%s: invalid SGL (1)\n", 554 sc->sc_dv.dv_xname)); 555 goto bad; 556 } 557 558 if ((p[0] & 0x30000000) != I2O_SGL_SIMPLE) { 559 DPRINTF(("%s: invalid SGL (2)\n", 560 sc->sc_dv.dv_xname)); 561 goto bad; 562 } 563 564 bufs[nbuf].db_out = (p[0] & I2O_SGL_DATA_OUT) != 0; 565 bufs[nbuf].db_ptr = NULL; 566 567 if ((p[0] & I2O_SGL_END_BUFFER) != 0) { 568 if ((p[0] & 0x00ffffff) > IOP_MAX_XFER) { 569 DPRINTF(("%s: buffer too large\n", 570 sc->sc_dv.dv_xname)); 571 goto bad; 572 } 573 574 bufs[nbuf].db_ptr = (caddr_t)p[1]; 575 bufs[nbuf].db_proc = proc; 576 bufs[nbuf].db_size = p[0] & 0x00ffffff; 577 578 if ((p[0] & I2O_SGL_END) != 0) 579 break; 580 581 continue; 582 } 583 584 /* 585 * The buffer has multiple segments. Determine the 586 * total size. 587 */ 588 nfrag = 0; 589 sz = 0; 590 for (pstart = p; p <= pmax; p += 2) { 591 if (nfrag == DPTI_MAX_SEGS) { 592 DPRINTF(("%s: too many segments\n", 593 sc->sc_dv.dv_xname)); 594 goto bad; 595 } 596 597 bufs[nbuf].db_frags[nfrag].iov_len = 598 p[0] & 0x00ffffff; 599 bufs[nbuf].db_frags[nfrag].iov_base = 600 (void *)p[1]; 601 602 sz += p[0] & 0x00ffffff; 603 nfrag++; 604 605 if ((p[0] & I2O_SGL_END) != 0) { 606 if ((p[0] & I2O_SGL_END_BUFFER) == 0) { 607 DPRINTF(( 608 "%s: invalid SGL (3)\n", 609 sc->sc_dv.dv_xname)); 610 goto bad; 611 } 612 break; 613 } 614 if ((p[0] & I2O_SGL_END_BUFFER) != 0) 615 break; 616 } 617 bufs[nbuf].db_nfrag = nfrag; 618 619 if (p > pmax) { 620 DPRINTF(("%s: invalid SGL (4)\n", 621 sc->sc_dv.dv_xname)); 622 goto bad; 623 } 624 625 if (sz > IOP_MAX_XFER) { 626 DPRINTF(("%s: buffer too large\n", 627 sc->sc_dv.dv_xname)); 628 goto bad; 629 } 630 631 bufs[nbuf].db_size = sz; 632 bufs[nbuf].db_ptr = malloc(sz, M_DEVBUF, M_WAITOK); 633 if (bufs[nbuf].db_ptr == NULL) { 634 DPRINTF(("%s: allocation failure\n", 635 sc->sc_dv.dv_xname)); 636 rv = ENOMEM; 637 goto bad; 638 } 639 640 for (i = 0, sz = 0; i < bufs[nbuf].db_nfrag; i++) { 641 rv = copyin(bufs[nbuf].db_frags[i].iov_base, 642 bufs[nbuf].db_ptr + sz, 643 bufs[nbuf].db_frags[i].iov_len); 644 if (rv != 0) { 645 DPRINTF(("%s: frag copyin\n", 646 sc->sc_dv.dv_xname)); 647 goto bad; 648 } 649 sz += bufs[nbuf].db_frags[i].iov_len; 650 } 651 652 if ((p[0] & I2O_SGL_END) != 0) 653 break; 654 } 655 656 if (nbuf == IOP_MAX_MSG_XFERS) { 657 DPRINTF(("%s: too many transfers\n", 658 sc->sc_dv.dv_xname)); 659 goto bad; 660 } 661 } 662 663 /* 664 * Allocate a wrapper, and adjust the message header fields to 665 * indicate that no scatter-gather list is currently present. 666 */ 667 mapped = 0; 668 669 im = iop_msg_alloc(iop, IM_WAIT | IM_NOSTATUS); 670 im->im_rb = (struct i2o_reply *)rbtmp; 671 mf = (struct i2o_msg *)mbtmp; 672 mf->msgictx = IOP_ICTX; 673 mf->msgtctx = im->im_tctx; 674 675 if (sgoff != 0) 676 mf->msgflags = (mf->msgflags & 0xff0f) | (sgoff << 16); 677 678 /* 679 * Map the data transfer(s). 680 */ 681 for (i = 0; i <= nbuf; i++) { 682 rv = iop_msg_map(iop, im, mbtmp, bufs[i].db_ptr, 683 bufs[i].db_size, bufs[i].db_out, bufs[i].db_proc); 684 if (rv != 0) { 685 DPRINTF(("%s: msg_map failed, rv = %d\n", 686 sc->sc_dv.dv_xname, rv)); 687 goto bad; 688 } 689 mapped = 1; 690 } 691 692 /* 693 * Start the command and sleep until it completes. 694 */ 695 if ((rv = iop_msg_post(iop, im, mbtmp, 5*60*1000)) != 0) 696 goto bad; 697 698 /* 699 * Copy out the reply frame. 700 */ 701 if ((rv = copyout(rbtmp, data + msgsize, repsize)) != 0) 702 DPRINTF(("%s: reply copyout() failed\n", 703 sc->sc_dv.dv_xname)); 704 705 bad: 706 /* 707 * Free resources and return to the caller. 708 */ 709 if (im != NULL) { 710 if (mapped) 711 iop_msg_unmap(iop, im); 712 iop_msg_free(iop, im); 713 } 714 715 for (i = 0; i <= nbuf; i++) { 716 if (bufs[i].db_proc != NULL) 717 continue; 718 719 if (!bufs[i].db_out && rv == 0) { 720 for (j = 0, sz = 0; j < bufs[i].db_nfrag; j++) { 721 rv = copyout(bufs[i].db_ptr + sz, 722 bufs[i].db_frags[j].iov_base, 723 bufs[i].db_frags[j].iov_len); 724 if (rv != 0) 725 break; 726 sz += bufs[i].db_frags[j].iov_len; 727 } 728 } 729 730 if (bufs[i].db_ptr != NULL) 731 free(bufs[i].db_ptr, M_DEVBUF); 732 } 733 734 return (rv); 735 } 736