dpti.c revision 1.3.14.1
1 /* $NetBSD: dpti.c,v 1.3.14.1 2002/12/12 23:34:45 he 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 1.3.14.1 2002/12/12 23:34:45 he 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 cdev_decl(dpti); 146 147 extern struct cfdriver dpti_cd; 148 149 struct cfattach dpti_ca = { 150 sizeof(struct dpti_softc), dpti_match, dpti_attach 151 }; 152 153 int 154 dpti_match(struct device *parent, struct cfdata *match, void *aux) 155 { 156 struct iop_attach_args *ia; 157 struct iop_softc *iop; 158 159 ia = aux; 160 iop = (struct iop_softc *)parent; 161 162 if (ia->ia_class != I2O_CLASS_ANY || ia->ia_tid != I2O_TID_IOP) 163 return (0); 164 165 if (le16toh(iop->sc_status.orgid) != I2O_ORG_DPT) 166 return (0); 167 168 return (1); 169 } 170 171 void 172 dpti_attach(struct device *parent, struct device *self, void *aux) 173 { 174 struct iop_softc *iop; 175 struct dpti_softc *sc; 176 struct { 177 struct i2o_param_op_results pr; 178 struct i2o_param_read_results prr; 179 struct i2o_dpt_param_exec_iop_buffers dib; 180 } __attribute__ ((__packed__)) param; 181 int rv; 182 183 sc = (struct dpti_softc *)self; 184 iop = (struct iop_softc *)parent; 185 186 /* 187 * Tell the world what we are. The description in the signature 188 * must be no more than 46 bytes long (see dptivar.h). 189 */ 190 printf(": DPT/Adaptec RAID management interface\n"); 191 sprintf(dpti_sig.dsDescription, "NetBSD %s I2O OSM", osrelease); 192 193 rv = iop_field_get_all(iop, I2O_TID_IOP, 194 I2O_DPT_PARAM_EXEC_IOP_BUFFERS, ¶m, 195 sizeof(param), NULL); 196 if (rv != 0) 197 return; 198 199 sc->sc_blinkled = le32toh(param.dib.serialoutputoff) + 8; 200 } 201 202 int 203 dptiopen(dev_t dev, int flag, int mode, struct proc *p) 204 { 205 206 if (securelevel > 1) 207 return (EPERM); 208 if (device_lookup(&dpti_cd, minor(dev)) == NULL) 209 return (ENXIO); 210 211 return (0); 212 } 213 214 int 215 dpticlose(dev_t dev, int flag, int mode, struct proc *p) 216 { 217 218 return (0); 219 } 220 221 int 222 dptiioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p) 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(&dpti_cd, minor(dev)); 230 iop = (struct iop_softc *)sc->sc_dv.dv_parent; 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 return (0); 250 251 case DPT_CTRLINFO: 252 return (dpti_ctlrinfo(sc, size, data)); 253 254 case DPT_SYSINFO: 255 return (dpti_sysinfo(sc, size, data)); 256 257 case DPT_BLINKLED: 258 if ((i = dpti_blinkled(sc)) == -1) 259 i = 0; 260 261 if (size == 0) 262 return (copyout(&i, *(caddr_t *)data, sizeof(i))); 263 264 *(int *)data = i; 265 return (0); 266 267 case DPT_TARGET_BUSY: 268 /* 269 * XXX This is here to stop linux_machdepioctl() from 270 * whining about an unknown ioctl. 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 if (linux) 279 rv = dpti_passthrough(sc, data, p); 280 else 281 rv = dpti_passthrough(sc, *(caddr_t *)data, p); 282 283 sc->sc_nactive--; 284 wakeup_one(&sc->sc_nactive); 285 return (rv); 286 287 case DPT_I2ORESETCMD: 288 printf("%s: I2ORESETCMD not implemented\n", 289 sc->sc_dv.dv_xname); 290 return (EOPNOTSUPP); 291 292 case DPT_I2ORESCANCMD: 293 return (iop_reconfigure(iop, 0)); 294 295 default: 296 return (ENOTTY); 297 } 298 } 299 300 int 301 dpti_blinkled(struct dpti_softc *sc) 302 { 303 struct iop_softc *iop; 304 u_int v; 305 306 iop = (struct iop_softc *)sc->sc_dv.dv_parent; 307 308 v = bus_space_read_1(iop->sc_iot, iop->sc_ioh, sc->sc_blinkled + 0); 309 if (v == 0xbc) { 310 v = bus_space_read_1(iop->sc_iot, iop->sc_ioh, 311 sc->sc_blinkled + 1); 312 return (v); 313 } 314 315 return (-1); 316 } 317 318 int 319 dpti_ctlrinfo(struct dpti_softc *sc, int size, caddr_t data) 320 { 321 struct dpt_ctlrinfo info; 322 struct iop_softc *iop; 323 int rv, i; 324 325 iop = (struct iop_softc *)sc->sc_dv.dv_parent; 326 327 memset(&info, 0, sizeof(info)); 328 329 info.length = sizeof(info) - sizeof(u_int16_t); 330 info.drvrHBAnum = sc->sc_dv.dv_unit; 331 info.baseAddr = iop->sc_memaddr; 332 if ((i = dpti_blinkled(sc)) == -1) 333 i = 0; 334 info.blinkState = i; 335 info.pciBusNum = iop->sc_pcibus; 336 info.pciDeviceNum = iop->sc_pcidev; 337 info.hbaFlags = FLG_OSD_PCI_VALID | FLG_OSD_DMA | FLG_OSD_I2O; 338 info.Interrupt = 10; /* XXX */ 339 340 if (size > sizeof(*data)) { 341 memcpy(data, &info, min(sizeof(info), size)); 342 rv = 0; 343 } else 344 rv = copyout(&info, *(caddr_t *)data, sizeof(info)); 345 346 return (rv); 347 } 348 349 int 350 dpti_sysinfo(struct dpti_softc *sc, int size, caddr_t data) 351 { 352 struct dpt_sysinfo info; 353 int rv; 354 #ifdef i386 355 int i, j; 356 #endif 357 358 memset(&info, 0, sizeof(info)); 359 360 #ifdef i386 361 outb (0x70, 0x12); 362 i = inb(0x71); 363 j = i >> 4; 364 if (i == 0x0f) { 365 outb (0x70, 0x19); 366 j = inb (0x71); 367 } 368 info.drive0CMOS = j; 369 370 j = i & 0x0f; 371 if (i == 0x0f) { 372 outb (0x70, 0x1a); 373 j = inb (0x71); 374 } 375 info.drive1CMOS = j; 376 info.processorFamily = dpti_sig.dsProcessorFamily; 377 378 /* 379 * Get the conventional memory size from CMOS. 380 */ 381 outb(0x70, 0x16); 382 j = inb(0x71); 383 j <<= 8; 384 outb(0x70, 0x15); 385 j |= inb(0x71); 386 info.conventionalMemSize = j; 387 388 /* 389 * Get the extended memory size from CMOS. 390 */ 391 outb(0x70, 0x31); 392 j = inb(0x71); 393 j <<= 8; 394 outb(0x70, 0x30); 395 j |= inb(0x71); 396 info.extendedMemSize = j; 397 398 switch (cpu_class) { 399 case CPUCLASS_386: 400 info.processorType = PROC_386; 401 break; 402 case CPUCLASS_486: 403 info.processorType = PROC_486; 404 break; 405 case CPUCLASS_586: 406 info.processorType = PROC_PENTIUM; 407 break; 408 case CPUCLASS_686: 409 default: 410 info.processorType = PROC_SEXIUM; 411 break; 412 } 413 414 info.flags = SI_CMOS_Valid | SI_BusTypeValid | 415 SI_MemorySizeValid | SI_NO_SmartROM; 416 #else 417 info.flags = SI_BusTypeValid | SI_NO_SmartROM; 418 #endif 419 420 info.busType = SI_PCI_BUS; 421 422 /* 423 * Copy out the info structure to the user. 424 */ 425 if (size > sizeof(*data)) { 426 memcpy(data, &info, min(sizeof(info), size)); 427 rv = 0; 428 } else 429 rv = copyout(&info, *(caddr_t *)data, sizeof(info)); 430 431 return (rv); 432 } 433 434 int 435 dpti_passthrough(struct dpti_softc *sc, caddr_t data, struct proc *proc) 436 { 437 struct iop_softc *iop; 438 struct i2o_msg mh, *mf; 439 struct i2o_reply rh; 440 struct iop_msg *im; 441 struct dpti_ptbuf bufs[IOP_MAX_MSG_XFERS]; 442 u_int32_t mbtmp[IOP_MAX_MSG_SIZE / sizeof(u_int32_t)]; 443 u_int32_t rbtmp[IOP_MAX_MSG_SIZE / sizeof(u_int32_t)]; 444 int rv, msgsize, repsize, sgoff, i, mapped, nbuf, nfrag, j, sz; 445 u_int32_t *p, *pmax, *pstart; 446 447 iop = (struct iop_softc *)sc->sc_dv.dv_parent; 448 im = NULL; 449 450 if ((rv = dpti_blinkled(sc)) != -1) { 451 if (rv != 0) { 452 printf("%s: adapter blinkled = 0x%02x\n", 453 sc->sc_dv.dv_xname, rv); 454 return (EIO); 455 } 456 } 457 458 /* 459 * Copy in the message frame header and determine the size of the 460 * full message frame. 461 */ 462 if ((rv = copyin(data, &mh, sizeof(mh))) != 0) { 463 DPRINTF(("%s: message copyin failed\n", 464 sc->sc_dv.dv_xname)); 465 return (rv); 466 } 467 468 msgsize = (mh.msgflags >> 14) & ~3; 469 if (msgsize < sizeof(mh) || msgsize >= IOP_MAX_MSG_SIZE) { 470 DPRINTF(("%s: bad message frame size\n", 471 sc->sc_dv.dv_xname)); 472 return (EINVAL); 473 } 474 475 /* 476 * Handle special commands. 477 */ 478 switch (mh.msgfunc >> 24) { 479 case I2O_EXEC_IOP_RESET: 480 printf("%s: I2O_EXEC_IOP_RESET not implemented\n", 481 sc->sc_dv.dv_xname); 482 return (EOPNOTSUPP); 483 484 case I2O_EXEC_OUTBOUND_INIT: 485 printf("%s: I2O_EXEC_OUTBOUND_INIT not implemented\n", 486 sc->sc_dv.dv_xname); 487 return (EOPNOTSUPP); 488 489 case I2O_EXEC_SYS_TAB_SET: 490 printf("%s: I2O_EXEC_SYS_TAB_SET not implemented\n", 491 sc->sc_dv.dv_xname); 492 return (EOPNOTSUPP); 493 494 case I2O_EXEC_STATUS_GET: 495 if ((rv = iop_status_get(iop, 0)) == 0) 496 rv = copyout(&iop->sc_status, data + msgsize, 497 sizeof(iop->sc_status)); 498 return (rv); 499 } 500 501 /* 502 * Copy in the full message frame. 503 */ 504 if ((rv = copyin(data, mbtmp, msgsize)) != 0) { 505 DPRINTF(("%s: full message copyin failed\n", 506 sc->sc_dv.dv_xname)); 507 return (rv); 508 } 509 510 /* 511 * Determine the size of the reply frame, and copy it in. 512 */ 513 if ((rv = copyin(data + msgsize, &rh, sizeof(rh))) != 0) { 514 DPRINTF(("%s: reply copyin failed\n", 515 sc->sc_dv.dv_xname)); 516 return (rv); 517 } 518 519 repsize = (rh.msgflags >> 14) & ~3; 520 if (repsize < sizeof(rh) || repsize >= IOP_MAX_MSG_SIZE) { 521 DPRINTF(("%s: bad reply header size\n", 522 sc->sc_dv.dv_xname)); 523 return (EINVAL); 524 } 525 526 if ((rv = copyin(data + msgsize, rbtmp, repsize)) != 0) { 527 DPRINTF(("%s: reply too large\n", sc->sc_dv.dv_xname)); 528 return (rv); 529 } 530 531 /* 532 * If the message has a scatter gather list, it must be comprised of 533 * simple elements. If any one transfer contains multiple segments, 534 * we allocate a temporary buffer for it; otherwise, the buffer will 535 * be mapped directly. 536 */ 537 if ((sgoff = ((mh.msgflags >> 4) & 15)) != 0) { 538 if ((sgoff + 2) > (msgsize >> 2)) { 539 DPRINTF(("%s: invalid message size fields\n", 540 sc->sc_dv.dv_xname)); 541 return (EINVAL); 542 } 543 544 memset(bufs, 0, sizeof(bufs)); 545 } else 546 nbuf = -1; 547 548 rv = EINVAL; 549 550 if (sgoff != 0) { 551 p = mbtmp + sgoff; 552 pmax = mbtmp + (msgsize >> 2) - 2; 553 554 for (nbuf = 0; nbuf < IOP_MAX_MSG_XFERS; nbuf++, p += 2) { 555 if (p > pmax) { 556 DPRINTF(("%s: invalid SGL (1)\n", 557 sc->sc_dv.dv_xname)); 558 goto bad; 559 } 560 561 if ((p[0] & 0x30000000) != I2O_SGL_SIMPLE) { 562 DPRINTF(("%s: invalid SGL (2)\n", 563 sc->sc_dv.dv_xname)); 564 goto bad; 565 } 566 567 bufs[nbuf].db_out = (p[0] & I2O_SGL_DATA_OUT) != 0; 568 bufs[nbuf].db_ptr = NULL; 569 570 if ((p[0] & I2O_SGL_END_BUFFER) != 0) { 571 if ((p[0] & 0x00ffffff) > IOP_MAX_XFER) { 572 DPRINTF(("%s: buffer too large\n", 573 sc->sc_dv.dv_xname)); 574 goto bad; 575 } 576 577 bufs[nbuf].db_ptr = (caddr_t)p[1]; 578 bufs[nbuf].db_proc = proc; 579 bufs[nbuf].db_size = p[0] & 0x00ffffff; 580 581 if ((p[0] & I2O_SGL_END) != 0) 582 break; 583 584 continue; 585 } 586 587 /* 588 * The buffer has multiple segments. Determine the 589 * total size. 590 */ 591 nfrag = 0; 592 sz = 0; 593 for (pstart = p; p <= pmax; p += 2) { 594 if (nfrag == DPTI_MAX_SEGS) { 595 DPRINTF(("%s: too many segments\n", 596 sc->sc_dv.dv_xname)); 597 goto bad; 598 } 599 600 bufs[nbuf].db_frags[nfrag].iov_len = 601 p[0] & 0x00ffffff; 602 bufs[nbuf].db_frags[nfrag].iov_base = 603 (void *)p[1]; 604 605 sz += p[0] & 0x00ffffff; 606 nfrag++; 607 608 if ((p[0] & I2O_SGL_END) != 0) { 609 if ((p[0] & I2O_SGL_END_BUFFER) == 0) { 610 DPRINTF(( 611 "%s: invalid SGL (3)\n", 612 sc->sc_dv.dv_xname)); 613 goto bad; 614 } 615 break; 616 } 617 if ((p[0] & I2O_SGL_END_BUFFER) != 0) 618 break; 619 } 620 bufs[nbuf].db_nfrag = nfrag; 621 622 if (p > pmax) { 623 DPRINTF(("%s: invalid SGL (4)\n", 624 sc->sc_dv.dv_xname)); 625 goto bad; 626 } 627 628 if (sz > IOP_MAX_XFER) { 629 DPRINTF(("%s: buffer too large\n", 630 sc->sc_dv.dv_xname)); 631 goto bad; 632 } 633 634 bufs[nbuf].db_size = sz; 635 bufs[nbuf].db_ptr = malloc(sz, M_DEVBUF, M_WAITOK); 636 if (bufs[nbuf].db_ptr == NULL) { 637 DPRINTF(("%s: allocation failure\n", 638 sc->sc_dv.dv_xname)); 639 rv = ENOMEM; 640 goto bad; 641 } 642 643 for (i = 0, sz = 0; i < bufs[nbuf].db_nfrag; i++) { 644 rv = copyin(bufs[nbuf].db_frags[i].iov_base, 645 bufs[nbuf].db_ptr + sz, 646 bufs[nbuf].db_frags[i].iov_len); 647 if (rv != 0) { 648 DPRINTF(("%s: frag copyin\n", 649 sc->sc_dv.dv_xname)); 650 goto bad; 651 } 652 sz += bufs[nbuf].db_frags[i].iov_len; 653 } 654 655 if ((p[0] & I2O_SGL_END) != 0) 656 break; 657 } 658 659 if (nbuf == IOP_MAX_MSG_XFERS) { 660 DPRINTF(("%s: too many transfers\n", 661 sc->sc_dv.dv_xname)); 662 goto bad; 663 } 664 } 665 666 /* 667 * Allocate a wrapper, and adjust the message header fields to 668 * indicate that no scatter-gather list is currently present. 669 */ 670 mapped = 0; 671 672 im = iop_msg_alloc(iop, IM_WAIT | IM_NOSTATUS); 673 im->im_rb = (struct i2o_reply *)rbtmp; 674 mf = (struct i2o_msg *)mbtmp; 675 mf->msgictx = IOP_ICTX; 676 mf->msgtctx = im->im_tctx; 677 678 if (sgoff != 0) 679 mf->msgflags = (mf->msgflags & 0xff0f) | (sgoff << 16); 680 681 /* 682 * Map the data transfer(s). 683 */ 684 for (i = 0; i <= nbuf; i++) { 685 rv = iop_msg_map(iop, im, mbtmp, bufs[i].db_ptr, 686 bufs[i].db_size, bufs[i].db_out, bufs[i].db_proc); 687 if (rv != 0) { 688 DPRINTF(("%s: msg_map failed, rv = %d\n", 689 sc->sc_dv.dv_xname, rv)); 690 goto bad; 691 } 692 mapped = 1; 693 } 694 695 /* 696 * Start the command and sleep until it completes. 697 */ 698 if ((rv = iop_msg_post(iop, im, mbtmp, 5*60*1000)) != 0) 699 goto bad; 700 701 /* 702 * Copy out the reply frame. 703 */ 704 if ((rv = copyout(rbtmp, data + msgsize, repsize)) != 0) 705 DPRINTF(("%s: reply copyout() failed\n", 706 sc->sc_dv.dv_xname)); 707 708 bad: 709 /* 710 * Free resources and return to the caller. 711 */ 712 if (im != NULL) { 713 if (mapped) 714 iop_msg_unmap(iop, im); 715 iop_msg_free(iop, im); 716 } 717 718 for (i = 0; i <= nbuf; i++) { 719 if (bufs[i].db_proc != NULL) 720 continue; 721 722 if (!bufs[i].db_out && rv == 0) { 723 for (j = 0, sz = 0; j < bufs[i].db_nfrag; j++) { 724 rv = copyout(bufs[i].db_ptr + sz, 725 bufs[i].db_frags[j].iov_base, 726 bufs[i].db_frags[j].iov_len); 727 if (rv != 0) 728 break; 729 sz += bufs[i].db_frags[j].iov_len; 730 } 731 } 732 733 if (bufs[i].db_ptr != NULL) 734 free(bufs[i].db_ptr, M_DEVBUF); 735 } 736 737 return (rv); 738 } 739
Indexes created Sun Oct 19 19:09:49 GMT 2025