dpti.c revision 1.39
1 /* $NetBSD: dpti.c,v 1.39 2008/06/08 12:43:52 tsutsui 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 1.39 2008/06/08 12:43:52 tsutsui 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 <uvm/uvm_extern.h> 75 76 #include <sys/bus.h> 77 #ifdef __i386__ 78 #include <machine/pio.h> 79 #include <machine/cputypes.h> 80 #endif 81 82 #include <dev/i2o/i2o.h> 83 #include <dev/i2o/i2odpt.h> 84 #include <dev/i2o/iopio.h> 85 #include <dev/i2o/iopvar.h> 86 #include <dev/i2o/dptivar.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 { 'd', 'P', 't', 'S', 'i', 'G'}, 96 SIG_VERSION, 97 #if defined(__i386__) 98 PROC_INTEL, 99 #elif defined(__powerpc__) 100 PROC_POWERPC, 101 #elif defined(__alpha__) 102 PROC_ALPHA, 103 #elif defined(__mips__) 104 PROC_MIPS, 105 #elif defined(__sparc64__) 106 PROC_ULTRASPARC, 107 #endif 108 #if defined(__i386__) 109 PROC_386 | PROC_486 | PROC_PENTIUM | PROC_SEXIUM, 110 #else 111 0, 112 #endif 113 FT_HBADRVR, 114 0, 115 OEM_DPT, 116 OS_FREE_BSD, /* XXX */ 117 CAP_ABOVE16MB, 118 DEV_ALL, 119 ADF_ALL_SC5, 120 0, 121 0, 122 DPTI_VERSION, 123 DPTI_REVISION, 124 DPTI_SUBREVISION, 125 DPTI_MONTH, 126 DPTI_DAY, 127 DPTI_YEAR, 128 "" /* Will be filled later */ 129 }; 130 131 void dpti_attach(struct device *, struct device *, void *); 132 int dpti_blinkled(struct dpti_softc *); 133 int dpti_ctlrinfo(struct dpti_softc *, int, void *); 134 int dpti_match(struct device *, struct cfdata *, 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 dptiopen, nullclose, noread, nowrite, dptiioctl, 143 nostop, notty, nopoll, nommap, nokqfilter, D_OTHER, 144 }; 145 146 extern struct cfdriver dpti_cd; 147 148 CFATTACH_DECL(dpti, sizeof(struct dpti_softc), 149 dpti_match, dpti_attach, NULL, NULL); 150 151 int 152 dpti_match(struct device *parent, struct cfdata *match, void *aux) 153 { 154 struct iop_attach_args *ia; 155 struct iop_softc *iop; 156 157 ia = aux; 158 iop = (struct iop_softc *)parent; 159 160 if (ia->ia_class != I2O_CLASS_ANY || ia->ia_tid != I2O_TID_IOP) 161 return (0); 162 163 if (le16toh(iop->sc_status.orgid) != I2O_ORG_DPT) 164 return (0); 165 166 return (1); 167 } 168 169 void 170 dpti_attach(struct device *parent, struct device *self, void *aux) 171 { 172 struct iop_softc *iop; 173 struct dpti_softc *sc; 174 struct { 175 struct i2o_param_op_results pr; 176 struct i2o_param_read_results prr; 177 struct i2o_dpt_param_exec_iop_buffers dib; 178 } __attribute__ ((__packed__)) param; 179 int rv; 180 181 sc = device_private(self); 182 iop = device_private(parent); 183 184 /* 185 * Tell the world what we are. The description in the signature 186 * must be no more than 46 bytes long (see dptivar.h). 187 */ 188 printf(": DPT/Adaptec RAID management interface\n"); 189 snprintf(dpti_sig.dsDescription, sizeof(dpti_sig.dsDescription), 190 "NetBSD %s I2O OSM", osrelease); 191 192 rv = iop_field_get_all(iop, I2O_TID_IOP, 193 I2O_DPT_PARAM_EXEC_IOP_BUFFERS, ¶m, 194 sizeof(param), NULL); 195 if (rv != 0) 196 return; 197 198 sc->sc_blinkled = le32toh(param.dib.serialoutputoff) + 8; 199 } 200 201 int 202 dptiopen(dev_t dev, int flag, int mode, 203 struct lwp *l) 204 { 205 206 if (device_lookup(&dpti_cd, minor(dev)) == NULL) 207 return (ENXIO); 208 209 return (0); 210 } 211 212 int 213 dptiioctl(dev_t dev, u_long cmd, void *data, int flag, struct lwp *l) 214 { 215 struct iop_softc *iop; 216 struct dpti_softc *sc; 217 struct ioctl_pt *pt; 218 int i, size, rv, linux; 219 220 sc = device_lookup_private(&dpti_cd, minor(dev)); 221 iop = (struct iop_softc *)device_parent(&sc->sc_dv); 222 rv = 0; 223 224 if (cmd == PTIOCLINUX) { 225 pt = (struct ioctl_pt *)data; 226 size = IOCPARM_LEN(pt->com); 227 cmd = pt->com & 0xffff; 228 data = pt->data; 229 linux = 1; 230 } else { 231 size = IOCPARM_LEN(cmd); 232 cmd = cmd & 0xffff; 233 linux = 0; 234 } 235 236 switch (cmd) { 237 case DPT_SIGNATURE: 238 if (size > sizeof(dpti_sig)) 239 size = sizeof(dpti_sig); 240 memcpy(data, &dpti_sig, size); 241 break; 242 243 case DPT_CTRLINFO: 244 rv = dpti_ctlrinfo(sc, size, data); 245 break; 246 247 case DPT_SYSINFO: 248 rv = dpti_sysinfo(sc, size, data); 249 break; 250 251 case DPT_BLINKLED: 252 if ((i = dpti_blinkled(sc)) == -1) 253 i = 0; 254 255 if (size == 0) { 256 rv = copyout(&i, *(void **)data, sizeof(i)); 257 break; 258 } 259 260 *(int *)data = i; 261 break; 262 263 case DPT_TARGET_BUSY: 264 /* 265 * XXX This is here to stop linux_machdepioctl() from 266 * whining about an unknown ioctl. 267 */ 268 rv = EIO; 269 break; 270 271 case DPT_I2OUSRCMD: 272 rv = kauth_authorize_device_passthru(l->l_cred, dev, 273 KAUTH_REQ_DEVICE_RAWIO_PASSTHRU_ALL, data); 274 if (rv) 275 break; 276 277 if (sc->sc_nactive++ >= 2) 278 tsleep(&sc->sc_nactive, PRIBIO, "dptislp", 0); 279 280 if (linux) 281 rv = dpti_passthrough(sc, data, l->l_proc); 282 else 283 rv = dpti_passthrough(sc, *(void **)data, l->l_proc); 284 285 sc->sc_nactive--; 286 wakeup_one(&sc->sc_nactive); 287 break; 288 289 case DPT_I2ORESETCMD: 290 printf("%s: I2ORESETCMD not implemented\n", 291 device_xname(&sc->sc_dv)); 292 rv = EOPNOTSUPP; 293 break; 294 295 case DPT_I2ORESCANCMD: 296 mutex_enter(&iop->sc_conflock); 297 rv = iop_reconfigure(iop, 0); 298 mutex_exit(&iop->sc_conflock); 299 break; 300 301 default: 302 rv = ENOTTY; 303 break; 304 } 305 306 return (rv); 307 } 308 309 int 310 dpti_blinkled(struct dpti_softc *sc) 311 { 312 struct iop_softc *iop; 313 u_int v; 314 315 iop = (struct iop_softc *)device_parent(&sc->sc_dv); 316 317 v = bus_space_read_1(iop->sc_iot, iop->sc_ioh, sc->sc_blinkled + 0); 318 if (v == 0xbc) { 319 v = bus_space_read_1(iop->sc_iot, iop->sc_ioh, 320 sc->sc_blinkled + 1); 321 return (v); 322 } 323 324 return (-1); 325 } 326 327 int 328 dpti_ctlrinfo(struct dpti_softc *sc, int size, void *data) 329 { 330 struct dpt_ctlrinfo info; 331 struct iop_softc *iop; 332 int rv, i; 333 334 iop = (struct iop_softc *)device_parent(&sc->sc_dv); 335 336 memset(&info, 0, sizeof(info)); 337 338 info.length = sizeof(info) - sizeof(u_int16_t); 339 info.drvrHBAnum = device_unit(&sc->sc_dv); 340 info.baseAddr = iop->sc_memaddr; 341 if ((i = dpti_blinkled(sc)) == -1) 342 i = 0; 343 info.blinkState = i; 344 info.pciBusNum = iop->sc_pcibus; 345 info.pciDeviceNum = iop->sc_pcidev; 346 info.hbaFlags = FLG_OSD_PCI_VALID | FLG_OSD_DMA | FLG_OSD_I2O; 347 info.Interrupt = 10; /* XXX */ 348 349 if (size > sizeof(char)) { 350 memcpy(data, &info, min(sizeof(info), size)); 351 rv = 0; 352 } else 353 rv = copyout(&info, *(void **)data, sizeof(info)); 354 355 return (rv); 356 } 357 358 int 359 dpti_sysinfo(struct dpti_softc *sc, int size, void *data) 360 { 361 struct dpt_sysinfo info; 362 int rv; 363 #ifdef __i386__ 364 int i, j; 365 #endif 366 367 memset(&info, 0, sizeof(info)); 368 369 #ifdef __i386__ 370 outb (0x70, 0x12); 371 i = inb(0x71); 372 j = i >> 4; 373 if (i == 0x0f) { 374 outb (0x70, 0x19); 375 j = inb (0x71); 376 } 377 info.drive0CMOS = j; 378 379 j = i & 0x0f; 380 if (i == 0x0f) { 381 outb (0x70, 0x1a); 382 j = inb (0x71); 383 } 384 info.drive1CMOS = j; 385 info.processorFamily = dpti_sig.dsProcessorFamily; 386 387 /* 388 * Get the conventional memory size from CMOS. 389 */ 390 outb(0x70, 0x16); 391 j = inb(0x71); 392 j <<= 8; 393 outb(0x70, 0x15); 394 j |= inb(0x71); 395 info.conventionalMemSize = j; 396 397 /* 398 * Get the extended memory size from CMOS. 399 */ 400 outb(0x70, 0x31); 401 j = inb(0x71); 402 j <<= 8; 403 outb(0x70, 0x30); 404 j |= inb(0x71); 405 info.extendedMemSize = j; 406 407 switch (cpu_class) { 408 case CPUCLASS_386: 409 info.processorType = PROC_386; 410 break; 411 case CPUCLASS_486: 412 info.processorType = PROC_486; 413 break; 414 case CPUCLASS_586: 415 info.processorType = PROC_PENTIUM; 416 break; 417 case CPUCLASS_686: 418 default: 419 info.processorType = PROC_SEXIUM; 420 break; 421 } 422 423 info.flags = SI_CMOS_Valid | SI_BusTypeValid | 424 SI_MemorySizeValid | SI_NO_SmartROM; 425 #else 426 info.flags = SI_BusTypeValid | SI_NO_SmartROM; 427 #endif 428 429 info.busType = SI_PCI_BUS; 430 431 /* 432 * Copy out the info structure to the user. 433 */ 434 if (size > sizeof(char)) { 435 memcpy(data, &info, min(sizeof(info), size)); 436 rv = 0; 437 } else 438 rv = copyout(&info, *(void **)data, sizeof(info)); 439 440 return (rv); 441 } 442 443 int 444 dpti_passthrough(struct dpti_softc *sc, void *data, struct proc *proc) 445 { 446 struct iop_softc *iop; 447 struct i2o_msg mh, *mf; 448 struct i2o_reply rh; 449 struct iop_msg *im; 450 struct dpti_ptbuf bufs[IOP_MAX_MSG_XFERS]; 451 u_int32_t mbtmp[IOP_MAX_MSG_SIZE / sizeof(u_int32_t)]; 452 u_int32_t rbtmp[IOP_MAX_MSG_SIZE / sizeof(u_int32_t)]; 453 int rv, msgsize, repsize, sgoff, i, mapped, nbuf, nfrag, j, sz; 454 u_int32_t *p, *pmax; 455 456 iop = (struct iop_softc *)device_parent(&sc->sc_dv); 457 im = NULL; 458 459 if ((rv = dpti_blinkled(sc)) != -1) { 460 if (rv != 0) { 461 aprint_error_dev(&sc->sc_dv, "adapter blinkled = 0x%02x\n", rv); 462 return (EIO); 463 } 464 } 465 466 /* 467 * Copy in the message frame header and determine the size of the 468 * full message frame. 469 */ 470 if ((rv = copyin(data, &mh, sizeof(mh))) != 0) { 471 DPRINTF(("%s: message copyin failed\n", 472 device_xname(&sc->sc_dv))); 473 return (rv); 474 } 475 476 msgsize = (mh.msgflags >> 14) & ~3; 477 if (msgsize < sizeof(mh) || msgsize >= IOP_MAX_MSG_SIZE) { 478 DPRINTF(("%s: bad message frame size\n", 479 device_xname(&sc->sc_dv))); 480 return (EINVAL); 481 } 482 483 /* 484 * Handle special commands. 485 */ 486 switch (mh.msgfunc >> 24) { 487 case I2O_EXEC_IOP_RESET: 488 printf("%s: I2O_EXEC_IOP_RESET not implemented\n", 489 device_xname(&sc->sc_dv)); 490 return (EOPNOTSUPP); 491 492 case I2O_EXEC_OUTBOUND_INIT: 493 printf("%s: I2O_EXEC_OUTBOUND_INIT not implemented\n", 494 device_xname(&sc->sc_dv)); 495 return (EOPNOTSUPP); 496 497 case I2O_EXEC_SYS_TAB_SET: 498 printf("%s: I2O_EXEC_SYS_TAB_SET not implemented\n", 499 device_xname(&sc->sc_dv)); 500 return (EOPNOTSUPP); 501 502 case I2O_EXEC_STATUS_GET: 503 if ((rv = iop_status_get(iop, 0)) == 0) 504 rv = copyout(&iop->sc_status, (char *)data + msgsize, 505 sizeof(iop->sc_status)); 506 return (rv); 507 } 508 509 /* 510 * Copy in the full message frame. 511 */ 512 if ((rv = copyin(data, mbtmp, msgsize)) != 0) { 513 DPRINTF(("%s: full message copyin failed\n", 514 device_xname(&sc->sc_dv))); 515 return (rv); 516 } 517 518 /* 519 * Determine the size of the reply frame, and copy it in. 520 */ 521 if ((rv = copyin((char *)data + msgsize, &rh, sizeof(rh))) != 0) { 522 DPRINTF(("%s: reply copyin failed\n", 523 device_xname(&sc->sc_dv))); 524 return (rv); 525 } 526 527 repsize = (rh.msgflags >> 14) & ~3; 528 if (repsize < sizeof(rh) || repsize >= IOP_MAX_MSG_SIZE) { 529 DPRINTF(("%s: bad reply header size\n", 530 device_xname(&sc->sc_dv))); 531 return (EINVAL); 532 } 533 534 if ((rv = copyin((char *)data + msgsize, rbtmp, repsize)) != 0) { 535 DPRINTF(("%s: reply too large\n", device_xname(&sc->sc_dv))); 536 return (rv); 537 } 538 539 /* 540 * If the message has a scatter gather list, it must be comprised of 541 * simple elements. If any one transfer contains multiple segments, 542 * we allocate a temporary buffer for it; otherwise, the buffer will 543 * be mapped directly. 544 */ 545 mapped = 0; 546 if ((sgoff = ((mh.msgflags >> 4) & 15)) != 0) { 547 if ((sgoff + 2) > (msgsize >> 2)) { 548 DPRINTF(("%s: invalid message size fields\n", 549 device_xname(&sc->sc_dv))); 550 return (EINVAL); 551 } 552 553 memset(bufs, 0, sizeof(bufs)); 554 555 p = mbtmp + sgoff; 556 pmax = mbtmp + (msgsize >> 2) - 2; 557 558 for (nbuf = 0; nbuf < IOP_MAX_MSG_XFERS; nbuf++, p += 2) { 559 if (p > pmax) { 560 DPRINTF(("%s: invalid SGL (1)\n", 561 device_xname(&sc->sc_dv))); 562 goto bad; 563 } 564 565 if ((p[0] & 0x30000000) != I2O_SGL_SIMPLE) { 566 DPRINTF(("%s: invalid SGL (2)\n", 567 device_xname(&sc->sc_dv))); 568 goto bad; 569 } 570 571 bufs[nbuf].db_out = (p[0] & I2O_SGL_DATA_OUT) != 0; 572 bufs[nbuf].db_ptr = NULL; 573 574 if ((p[0] & I2O_SGL_END_BUFFER) != 0) { 575 if ((p[0] & 0x00ffffff) > IOP_MAX_XFER) { 576 DPRINTF(("%s: buffer too large\n", 577 device_xname(&sc->sc_dv))); 578 goto bad; 579 } 580 581 bufs[nbuf].db_ptr = (void *)p[1]; 582 bufs[nbuf].db_proc = proc; 583 bufs[nbuf].db_size = p[0] & 0x00ffffff; 584 585 if ((p[0] & I2O_SGL_END) != 0) 586 break; 587 588 continue; 589 } 590 591 /* 592 * The buffer has multiple segments. Determine the 593 * total size. 594 */ 595 nfrag = 0; 596 sz = 0; 597 for (; p <= pmax; p += 2) { 598 if (nfrag == DPTI_MAX_SEGS) { 599 DPRINTF(("%s: too many segments\n", 600 device_xname(&sc->sc_dv))); 601 goto bad; 602 } 603 604 bufs[nbuf].db_frags[nfrag].iov_len = 605 p[0] & 0x00ffffff; 606 bufs[nbuf].db_frags[nfrag].iov_base = 607 (void *)p[1]; 608 609 sz += p[0] & 0x00ffffff; 610 nfrag++; 611 612 if ((p[0] & I2O_SGL_END) != 0) { 613 if ((p[0] & I2O_SGL_END_BUFFER) == 0) { 614 DPRINTF(( 615 "%s: invalid SGL (3)\n", 616 device_xname(&sc->sc_dv))); 617 goto bad; 618 } 619 break; 620 } 621 if ((p[0] & I2O_SGL_END_BUFFER) != 0) 622 break; 623 } 624 bufs[nbuf].db_nfrag = nfrag; 625 626 if (p > pmax) { 627 DPRINTF(("%s: invalid SGL (4)\n", 628 device_xname(&sc->sc_dv))); 629 goto bad; 630 } 631 632 if (sz > IOP_MAX_XFER) { 633 DPRINTF(("%s: buffer too large\n", 634 device_xname(&sc->sc_dv))); 635 goto bad; 636 } 637 638 bufs[nbuf].db_size = sz; 639 bufs[nbuf].db_ptr = malloc(sz, M_DEVBUF, M_WAITOK); 640 if (bufs[nbuf].db_ptr == NULL) { 641 DPRINTF(("%s: allocation failure\n", 642 device_xname(&sc->sc_dv))); 643 rv = ENOMEM; 644 goto bad; 645 } 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_dv))); 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_dv))); 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_dv), 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_dv))); 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 free(bufs[i].db_ptr, M_DEVBUF); 740 } 741 742 return (rv); 743 } 744
Indexes created Sat Sep 27 22:09:54 GMT 2025