dpti.c revision 1.3
1 /* $NetBSD: dpti.c,v 1.3 2001/11/13 12:24:58 lukem 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 2001/11/13 12:24:58 lukem 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 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; 228 229 sc = device_lookup(&dpti_cd, minor(dev)); 230 iop = (struct iop_softc *)sc->sc_dv.dv_parent; 231 232 /* 233 * Currently, we only take ioctls passed down from the Linux 234 * emulation layer. 235 */ 236 if (cmd == PTIOCLINUX) { 237 pt = (struct ioctl_pt *)data; 238 cmd = pt->com; 239 data = pt->data; 240 } else 241 return (ENOTTY); 242 243 size = IOCPARM_LEN(cmd); 244 245 switch (cmd & 0xffff) { 246 case DPT_SIGNATURE: 247 if (size > sizeof(dpti_sig)) 248 size = sizeof(dpti_sig); 249 memcpy(data, &dpti_sig, size); 250 return (0); 251 252 case DPT_CTRLINFO: 253 return (dpti_ctlrinfo(sc, cmd, data)); 254 255 case DPT_SYSINFO: 256 return (dpti_sysinfo(sc, cmd, data)); 257 258 case DPT_BLINKLED: 259 if ((i = dpti_blinkled(sc)) == -1) 260 i = 0; 261 262 if (size == 0) 263 return (copyout(&i, *(caddr_t *)data, sizeof(i))); 264 265 *(int *)data = i; 266 return (0); 267 268 case DPT_TARGET_BUSY: 269 /* 270 * XXX This is here to stop linux_machdepioctl() from 271 * whining about an unknown ioctl. Really, it should be 272 * implemented. 273 */ 274 return (EIO); 275 276 case DPT_I2OUSRCMD: 277 if (sc->sc_nactive++ >= 2) 278 tsleep(&sc->sc_nactive, PRIBIO, "dptislp", 0); 279 280 rv = dpti_passthrough(sc, data, p); 281 282 sc->sc_nactive--; 283 wakeup_one(&sc->sc_nactive); 284 return (rv); 285 286 case DPT_I2ORESETCMD: 287 printf("%s: I2ORESETCMD not implemented\n", 288 sc->sc_dv.dv_xname); 289 return (EOPNOTSUPP); 290 291 case DPT_I2ORESCANCMD: 292 return (iop_reconfigure(iop, 0)); 293 294 default: 295 return (ENOTTY); 296 } 297 } 298 299 int 300 dpti_blinkled(struct dpti_softc *sc) 301 { 302 struct iop_softc *iop; 303 u_int v; 304 305 iop = (struct iop_softc *)sc->sc_dv.dv_parent; 306 307 v = bus_space_read_1(iop->sc_iot, iop->sc_ioh, sc->sc_blinkled + 0); 308 if (v == 0xbc) { 309 v = bus_space_read_1(iop->sc_iot, iop->sc_ioh, 310 sc->sc_blinkled + 1); 311 return (v); 312 } 313 314 return (-1); 315 } 316 317 int 318 dpti_ctlrinfo(struct dpti_softc *sc, u_long cmd, caddr_t data) 319 { 320 struct dpt_ctlrinfo info; 321 struct iop_softc *iop; 322 int rv, i; 323 324 iop = (struct iop_softc *)sc->sc_dv.dv_parent; 325 326 memset(&info, 0, sizeof(info)); 327 328 info.length = sizeof(info) - sizeof(u_int16_t); 329 info.drvrHBAnum = sc->sc_dv.dv_unit; 330 info.baseAddr = iop->sc_memaddr; 331 if ((i = dpti_blinkled(sc)) == -1) 332 i = 0; 333 info.blinkState = i; 334 info.pciBusNum = iop->sc_pcibus; 335 info.pciDeviceNum = iop->sc_pcidev; 336 info.hbaFlags = FLG_OSD_PCI_VALID | FLG_OSD_DMA | FLG_OSD_I2O; 337 info.Interrupt = 10; /* XXX */ 338 339 if (IOCPARM_LEN(cmd) > sizeof(*data)) { 340 memcpy(data, &info, min(sizeof(info), IOCPARM_LEN(cmd))); 341 rv = 0; 342 } else 343 rv = copyout(&info, *(caddr_t *)data, sizeof(info)); 344 345 return (rv); 346 } 347 348 int 349 dpti_sysinfo(struct dpti_softc *sc, u_long cmd, caddr_t data) 350 { 351 struct dpt_sysinfo info; 352 int rv; 353 #ifdef i386 354 int i, j; 355 #endif 356 357 memset(&info, 0, sizeof(info)); 358 359 #ifdef i386 360 outb (0x70, 0x12); 361 i = inb(0x71); 362 j = i >> 4; 363 if (i == 0x0f) { 364 outb (0x70, 0x19); 365 j = inb (0x71); 366 } 367 info.drive0CMOS = j; 368 369 j = i & 0x0f; 370 if (i == 0x0f) { 371 outb (0x70, 0x1a); 372 j = inb (0x71); 373 } 374 info.drive1CMOS = j; 375 info.processorFamily = dpti_sig.dsProcessorFamily; 376 377 /* 378 * Get the conventional memory size from CMOS. 379 */ 380 outb(0x70, 0x16); 381 j = inb(0x71); 382 j <<= 8; 383 outb(0x70, 0x15); 384 j |= inb(0x71); 385 info.conventionalMemSize = j; 386 387 /* 388 * Get the extended memory size from CMOS. 389 */ 390 outb(0x70, 0x31); 391 j = inb(0x71); 392 j <<= 8; 393 outb(0x70, 0x30); 394 j |= inb(0x71); 395 info.extendedMemSize = j; 396 397 switch (cpu_class) { 398 case CPUCLASS_386: 399 info.processorType = PROC_386; 400 break; 401 case CPUCLASS_486: 402 info.processorType = PROC_486; 403 break; 404 case CPUCLASS_586: 405 info.processorType = PROC_PENTIUM; 406 break; 407 case CPUCLASS_686: 408 default: 409 info.processorType = PROC_SEXIUM; 410 break; 411 } 412 413 info.flags = SI_CMOS_Valid | SI_BusTypeValid | 414 SI_MemorySizeValid | SI_NO_SmartROM; 415 #else 416 info.flags = SI_BusTypeValid | SI_NO_SmartROM; 417 #endif 418 419 info.busType = SI_PCI_BUS; 420 421 /* 422 * Copy out the info structure to the user. 423 */ 424 if (IOCPARM_LEN(cmd) > sizeof(*data)) { 425 memcpy(data, &info, min(sizeof(info), IOCPARM_LEN(cmd))); 426 rv = 0; 427 } else 428 rv = copyout(&info, *(caddr_t *)data, sizeof(info)); 429 430 return (rv); 431 } 432 433 int 434 dpti_passthrough(struct dpti_softc *sc, caddr_t data, struct proc *proc) 435 { 436 struct iop_softc *iop; 437 struct i2o_msg mh, *mf; 438 struct i2o_reply rh; 439 struct iop_msg *im; 440 struct dpti_ptbuf bufs[IOP_MAX_MSG_XFERS]; 441 u_int32_t mbtmp[IOP_MAX_MSG_SIZE / sizeof(u_int32_t)]; 442 u_int32_t rbtmp[IOP_MAX_MSG_SIZE / sizeof(u_int32_t)]; 443 int rv, msgsize, repsize, sgoff, i, mapped, nbuf, nfrag, j, sz; 444 u_int32_t *p, *pmax, *pstart; 445 446 iop = (struct iop_softc *)sc->sc_dv.dv_parent; 447 im = NULL; 448 449 if ((rv = dpti_blinkled(sc)) != -1) { 450 if (rv != 0) { 451 printf("%s: adapter blinkled = 0x%02x\n", 452 sc->sc_dv.dv_xname, rv); 453 return (EIO); 454 } 455 } 456 457 /* 458 * Copy in the message frame header and determine the size of the 459 * full message frame. 460 */ 461 if ((rv = copyin(data, &mh, sizeof(mh))) != 0) { 462 DPRINTF(("%s: message copyin failed\n", 463 sc->sc_dv.dv_xname)); 464 return (rv); 465 } 466 467 msgsize = (mh.msgflags >> 14) & ~3; 468 if (msgsize < sizeof(mh) || msgsize >= IOP_MAX_MSG_SIZE) { 469 DPRINTF(("%s: bad message frame size\n", 470 sc->sc_dv.dv_xname)); 471 return (EINVAL); 472 } 473 474 /* 475 * Handle special commands. 476 */ 477 switch (mh.msgfunc >> 24) { 478 case I2O_EXEC_IOP_RESET: 479 printf("%s: I2O_EXEC_IOP_RESET not implemented\n", 480 sc->sc_dv.dv_xname); 481 return (EOPNOTSUPP); 482 483 case I2O_EXEC_OUTBOUND_INIT: 484 printf("%s: I2O_EXEC_OUTBOUND_INIT not implemented\n", 485 sc->sc_dv.dv_xname); 486 return (EOPNOTSUPP); 487 488 case I2O_EXEC_SYS_TAB_SET: 489 printf("%s: I2O_EXEC_SYS_TAB_SET not implemented\n", 490 sc->sc_dv.dv_xname); 491 return (EOPNOTSUPP); 492 493 case I2O_EXEC_STATUS_GET: 494 if ((rv = iop_status_get(iop, 0)) == 0) 495 rv = copyout(&iop->sc_status, data + msgsize, 496 sizeof(iop->sc_status)); 497 return (rv); 498 } 499 500 /* 501 * Copy in the full message frame. 502 */ 503 if ((rv = copyin(data, mbtmp, msgsize)) != 0) { 504 DPRINTF(("%s: full message copyin failed\n", 505 sc->sc_dv.dv_xname)); 506 return (rv); 507 } 508 509 /* 510 * Determine the size of the reply frame, and copy it in. 511 */ 512 if ((rv = copyin(data + msgsize, &rh, sizeof(rh))) != 0) { 513 DPRINTF(("%s: reply copyin failed\n", 514 sc->sc_dv.dv_xname)); 515 return (rv); 516 } 517 518 repsize = (rh.msgflags >> 14) & ~3; 519 if (repsize < sizeof(rh) || repsize >= IOP_MAX_MSG_SIZE) { 520 DPRINTF(("%s: bad reply header size\n", 521 sc->sc_dv.dv_xname)); 522 return (EINVAL); 523 } 524 525 if ((rv = copyin(data + msgsize, rbtmp, repsize)) != 0) { 526 DPRINTF(("%s: reply too large\n", sc->sc_dv.dv_xname)); 527 return (rv); 528 } 529 530 /* 531 * If the message has a scatter gather list, it must be comprised of 532 * simple elements. If any one transfer contains multiple segments, 533 * we allocate a temporary buffer for it; otherwise, the buffer will 534 * be mapped directly. 535 */ 536 if ((sgoff = ((mh.msgflags >> 4) & 15)) != 0) { 537 if ((sgoff + 2) > (msgsize >> 2)) { 538 DPRINTF(("%s: invalid message size fields\n", 539 sc->sc_dv.dv_xname)); 540 return (EINVAL); 541 } 542 543 memset(bufs, 0, sizeof(bufs)); 544 } else 545 nbuf = -1; 546 547 rv = EINVAL; 548 549 if (sgoff != 0) { 550 p = mbtmp + sgoff; 551 pmax = mbtmp + (msgsize >> 2) - 2; 552 553 for (nbuf = 0; nbuf < IOP_MAX_MSG_XFERS; nbuf++, p += 2) { 554 if (p > pmax) { 555 DPRINTF(("%s: invalid SGL (1)\n", 556 sc->sc_dv.dv_xname)); 557 goto bad; 558 } 559 560 if ((p[0] & 0x30000000) != I2O_SGL_SIMPLE) { 561 DPRINTF(("%s: invalid SGL (2)\n", 562 sc->sc_dv.dv_xname)); 563 goto bad; 564 } 565 566 bufs[nbuf].db_out = (p[0] & I2O_SGL_DATA_OUT) != 0; 567 bufs[nbuf].db_ptr = NULL; 568 569 if ((p[0] & I2O_SGL_END_BUFFER) != 0) { 570 if ((p[0] & 0x00ffffff) > IOP_MAX_XFER) { 571 DPRINTF(("%s: buffer too large\n", 572 sc->sc_dv.dv_xname)); 573 goto bad; 574 } 575 576 bufs[nbuf].db_ptr = (caddr_t)p[1]; 577 bufs[nbuf].db_proc = proc; 578 bufs[nbuf].db_size = p[0] & 0x00ffffff; 579 580 if ((p[0] & I2O_SGL_END) != 0) 581 break; 582 583 continue; 584 } 585 586 /* 587 * The buffer has multiple segments. Determine the 588 * total size. 589 */ 590 nfrag = 0; 591 sz = 0; 592 for (pstart = p; p <= pmax; p += 2) { 593 if (nfrag == DPTI_MAX_SEGS) { 594 DPRINTF(("%s: too many segments\n", 595 sc->sc_dv.dv_xname)); 596 goto bad; 597 } 598 599 bufs[nbuf].db_frags[nfrag].iov_len = 600 p[0] & 0x00ffffff; 601 bufs[nbuf].db_frags[nfrag].iov_base = 602 (void *)p[1]; 603 604 sz += p[0] & 0x00ffffff; 605 nfrag++; 606 607 if ((p[0] & I2O_SGL_END) != 0) { 608 if ((p[0] & I2O_SGL_END_BUFFER) == 0) { 609 DPRINTF(( 610 "%s: invalid SGL (3)\n", 611 sc->sc_dv.dv_xname)); 612 goto bad; 613 } 614 break; 615 } 616 if ((p[0] & I2O_SGL_END_BUFFER) != 0) 617 break; 618 } 619 bufs[nbuf].db_nfrag = nfrag; 620 621 if (p > pmax) { 622 DPRINTF(("%s: invalid SGL (4)\n", 623 sc->sc_dv.dv_xname)); 624 goto bad; 625 } 626 627 if (sz > IOP_MAX_XFER) { 628 DPRINTF(("%s: buffer too large\n", 629 sc->sc_dv.dv_xname)); 630 goto bad; 631 } 632 633 bufs[nbuf].db_size = sz; 634 bufs[nbuf].db_ptr = malloc(sz, M_DEVBUF, M_WAITOK); 635 if (bufs[nbuf].db_ptr == NULL) { 636 DPRINTF(("%s: allocation failure\n", 637 sc->sc_dv.dv_xname)); 638 rv = ENOMEM; 639 goto bad; 640 } 641 642 for (i = 0, sz = 0; i < bufs[nbuf].db_nfrag; i++) { 643 rv = copyin(bufs[nbuf].db_frags[i].iov_base, 644 bufs[nbuf].db_ptr + sz, 645 bufs[nbuf].db_frags[i].iov_len); 646 if (rv != 0) { 647 DPRINTF(("%s: frag copyin\n", 648 sc->sc_dv.dv_xname)); 649 goto bad; 650 } 651 sz += bufs[nbuf].db_frags[i].iov_len; 652 } 653 654 if ((p[0] & I2O_SGL_END) != 0) 655 break; 656 } 657 658 if (nbuf == IOP_MAX_MSG_XFERS) { 659 DPRINTF(("%s: too many transfers\n", 660 sc->sc_dv.dv_xname)); 661 goto bad; 662 } 663 } 664 665 /* 666 * Allocate a wrapper, and adjust the message header fields to 667 * indicate that no scatter-gather list is currently present. 668 */ 669 mapped = 0; 670 671 im = iop_msg_alloc(iop, IM_WAIT | IM_NOSTATUS); 672 im->im_rb = (struct i2o_reply *)rbtmp; 673 mf = (struct i2o_msg *)mbtmp; 674 mf->msgictx = IOP_ICTX; 675 mf->msgtctx = im->im_tctx; 676 677 if (sgoff != 0) 678 mf->msgflags = (mf->msgflags & 0xff0f) | (sgoff << 16); 679 680 /* 681 * Map the data transfer(s). 682 */ 683 for (i = 0; i <= nbuf; i++) { 684 rv = iop_msg_map(iop, im, mbtmp, bufs[i].db_ptr, 685 bufs[i].db_size, bufs[i].db_out, bufs[i].db_proc); 686 if (rv != 0) { 687 DPRINTF(("%s: msg_map failed, rv = %d\n", 688 sc->sc_dv.dv_xname, rv)); 689 goto bad; 690 } 691 mapped = 1; 692 } 693 694 /* 695 * Start the command and sleep until it completes. 696 */ 697 if ((rv = iop_msg_post(iop, im, mbtmp, 5*60*1000)) != 0) 698 goto bad; 699 700 /* 701 * Copy out the reply frame. 702 */ 703 if ((rv = copyout(rbtmp, data + msgsize, repsize)) != 0) 704 DPRINTF(("%s: reply copyout() failed\n", 705 sc->sc_dv.dv_xname)); 706 707 bad: 708 /* 709 * Free resources and return to the caller. 710 */ 711 if (im != NULL) { 712 if (mapped) 713 iop_msg_unmap(iop, im); 714 iop_msg_free(iop, im); 715 } 716 717 for (i = 0; i <= nbuf; i++) { 718 if (bufs[i].db_proc != NULL) 719 continue; 720 721 if (!bufs[i].db_out && rv == 0) { 722 for (j = 0, sz = 0; j < bufs[i].db_nfrag; j++) { 723 rv = copyout(bufs[i].db_ptr + sz, 724 bufs[i].db_frags[j].iov_base, 725 bufs[i].db_frags[j].iov_len); 726 if (rv != 0) 727 break; 728 sz += bufs[i].db_frags[j].iov_len; 729 } 730 } 731 732 if (bufs[i].db_ptr != NULL) 733 free(bufs[i].db_ptr, M_DEVBUF); 734 } 735 736 return (rv); 737 } 738
Indexes created Mon Sep 29 03:10:08 GMT 2025