1 /* 2 * Copyright (c) 2003 Hidetoshi Shimokawa 3 * Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi Shimokawa 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the acknowledgement as bellow: 16 * 17 * This product includes software developed by K. Kobayashi and H. Shimokawa 18 * 19 * 4. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 24 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 25 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 26 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 27 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 30 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 31 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32 * POSSIBILITY OF SUCH DAMAGE. 33 * 34 * $FreeBSD: src/sys/dev/firewire/fwdev.c,v 1.36 2004/01/22 14:41:17 simokawa Exp $ 35 * $DragonFly: src/sys/bus/firewire/fwdev.c,v 1.11 2006/02/17 19:17:44 dillon Exp $ 36 * 37 */ 38 39 #include <sys/param.h> 40 #include <sys/systm.h> 41 #include <sys/types.h> 42 #include <sys/mbuf.h> 43 #if defined(__DragonFly__) || __FreeBSD_version < 500000 44 #include <sys/buf.h> 45 #else 46 #include <sys/bio.h> 47 #endif 48 49 #include <sys/kernel.h> 50 #include <sys/malloc.h> 51 #include <sys/conf.h> 52 #include <sys/poll.h> 53 54 #include <sys/bus.h> 55 #include <sys/ctype.h> 56 #include <machine/bus.h> 57 58 #include <sys/ioccom.h> 59 #include <sys/thread2.h> 60 61 #ifdef __DragonFly__ 62 #include "firewire.h" 63 #include "firewirereg.h" 64 #include "fwdma.h" 65 #include "fwmem.h" 66 #include "iec68113.h" 67 #else 68 #include <dev/firewire/firewire.h> 69 #include <dev/firewire/firewirereg.h> 70 #include <dev/firewire/fwdma.h> 71 #include <dev/firewire/fwmem.h> 72 #include <dev/firewire/iec68113.h> 73 #endif 74 75 #define CDEV_MAJOR 127 76 #define FWNODE_INVAL 0xffff 77 78 static d_open_t fw_open; 79 static d_close_t fw_close; 80 static d_ioctl_t fw_ioctl; 81 static d_poll_t fw_poll; 82 static d_read_t fw_read; /* for Isochronous packet */ 83 static d_write_t fw_write; 84 static d_mmap_t fw_mmap; 85 static d_strategy_t fw_strategy; 86 87 struct cdevsw firewire_cdevsw = 88 { 89 #ifdef __DragonFly__ 90 "fw", CDEV_MAJOR, D_MEM, NULL, 0, 91 fw_open, fw_close, fw_read, fw_write, fw_ioctl, 92 fw_poll, fw_mmap, fw_strategy, nodump, nopsize, 93 #elif __FreeBSD_version >= 500104 94 .d_open = fw_open, 95 .d_close = fw_close, 96 .d_read = fw_read, 97 .d_write = fw_write, 98 .d_ioctl = fw_ioctl, 99 .d_poll = fw_poll, 100 .d_mmap = fw_mmap, 101 .d_strategy = fw_strategy, 102 .d_name = "fw", 103 .d_maj = CDEV_MAJOR, 104 .d_flags = D_MEM 105 #else 106 fw_open, fw_close, fw_read, fw_write, fw_ioctl, 107 fw_poll, fw_mmap, fw_strategy, "fw", CDEV_MAJOR, 108 nodump, nopsize, D_MEM, -1 109 #endif 110 }; 111 112 struct fw_drv1 { 113 struct fw_xferq *ir; 114 struct fw_xferq *it; 115 struct fw_isobufreq bufreq; 116 }; 117 118 static int 119 fwdev_allocbuf(struct firewire_comm *fc, struct fw_xferq *q, 120 struct fw_bufspec *b) 121 { 122 int i; 123 124 if (q->flag & (FWXFERQ_RUNNING | FWXFERQ_EXTBUF)) 125 return(EBUSY); 126 127 q->bulkxfer = (struct fw_bulkxfer *) malloc( 128 sizeof(struct fw_bulkxfer) * b->nchunk, 129 M_FW, M_WAITOK); 130 if (q->bulkxfer == NULL) 131 return(ENOMEM); 132 133 b->psize = roundup2(b->psize, sizeof(u_int32_t)); 134 q->buf = fwdma_malloc_multiseg(fc, sizeof(u_int32_t), 135 b->psize, b->nchunk * b->npacket, BUS_DMA_WAITOK); 136 137 if (q->buf == NULL) { 138 free(q->bulkxfer, M_FW); 139 q->bulkxfer = NULL; 140 return(ENOMEM); 141 } 142 q->bnchunk = b->nchunk; 143 q->bnpacket = b->npacket; 144 q->psize = (b->psize + 3) & ~3; 145 q->queued = 0; 146 147 STAILQ_INIT(&q->stvalid); 148 STAILQ_INIT(&q->stfree); 149 STAILQ_INIT(&q->stdma); 150 q->stproc = NULL; 151 152 for(i = 0 ; i < q->bnchunk; i++){ 153 q->bulkxfer[i].poffset = i * q->bnpacket; 154 q->bulkxfer[i].mbuf = NULL; 155 STAILQ_INSERT_TAIL(&q->stfree, &q->bulkxfer[i], link); 156 } 157 158 q->flag &= ~FWXFERQ_MODEMASK; 159 q->flag |= FWXFERQ_STREAM; 160 q->flag |= FWXFERQ_EXTBUF; 161 162 return (0); 163 } 164 165 static int 166 fwdev_freebuf(struct fw_xferq *q) 167 { 168 if (q->flag & FWXFERQ_EXTBUF) { 169 if (q->buf != NULL) 170 fwdma_free_multiseg(q->buf); 171 q->buf = NULL; 172 free(q->bulkxfer, M_FW); 173 q->bulkxfer = NULL; 174 q->flag &= ~FWXFERQ_EXTBUF; 175 q->psize = 0; 176 q->maxq = FWMAXQUEUE; 177 } 178 return (0); 179 } 180 181 182 static int 183 fw_open (dev_t dev, int flags, int fmt, fw_proc *td) 184 { 185 int err = 0; 186 187 if (DEV_FWMEM(dev)) 188 return fwmem_open(dev, flags, fmt, td); 189 190 if (dev->si_drv1 != NULL) 191 return (EBUSY); 192 193 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000 194 if ((dev->si_flags & SI_NAMED) == 0) { 195 int unit = DEV2UNIT(dev); 196 int sub = DEV2SUB(dev); 197 198 make_dev(&firewire_cdevsw, minor(dev), 199 UID_ROOT, GID_OPERATOR, 0660, 200 "fw%d.%d", unit, sub); 201 } 202 #endif 203 204 dev->si_drv1 = malloc(sizeof(struct fw_drv1), M_FW, M_WAITOK | M_ZERO); 205 206 return err; 207 } 208 209 static int 210 fw_close (dev_t dev, int flags, int fmt, fw_proc *td) 211 { 212 struct firewire_softc *sc; 213 struct firewire_comm *fc; 214 struct fw_drv1 *d; 215 int unit = DEV2UNIT(dev); 216 struct fw_xfer *xfer; 217 struct fw_bind *fwb; 218 int err = 0; 219 220 if (DEV_FWMEM(dev)) 221 return fwmem_close(dev, flags, fmt, td); 222 223 sc = devclass_get_softc(firewire_devclass, unit); 224 fc = sc->fc; 225 d = (struct fw_drv1 *)dev->si_drv1; 226 227 if (d->ir != NULL) { 228 struct fw_xferq *ir = d->ir; 229 230 if ((ir->flag & FWXFERQ_OPEN) == 0) 231 return (EINVAL); 232 if (ir->flag & FWXFERQ_RUNNING) { 233 ir->flag &= ~FWXFERQ_RUNNING; 234 fc->irx_disable(fc, ir->dmach); 235 } 236 /* free extbuf */ 237 fwdev_freebuf(ir); 238 /* drain receiving buffer */ 239 for (xfer = STAILQ_FIRST(&ir->q); 240 xfer != NULL; xfer = STAILQ_FIRST(&ir->q)) { 241 ir->queued --; 242 STAILQ_REMOVE_HEAD(&ir->q, link); 243 244 xfer->resp = 0; 245 fw_xfer_done(xfer); 246 } 247 /* remove binding */ 248 for (fwb = STAILQ_FIRST(&ir->binds); fwb != NULL; 249 fwb = STAILQ_FIRST(&ir->binds)) { 250 STAILQ_REMOVE(&fc->binds, fwb, fw_bind, fclist); 251 STAILQ_REMOVE_HEAD(&ir->binds, chlist); 252 free(fwb, M_FW); 253 } 254 ir->flag &= ~(FWXFERQ_OPEN | 255 FWXFERQ_MODEMASK | FWXFERQ_CHTAGMASK); 256 d->ir = NULL; 257 258 } 259 if (d->it != NULL) { 260 struct fw_xferq *it = d->it; 261 262 if ((it->flag & FWXFERQ_OPEN) == 0) 263 return (EINVAL); 264 if (it->flag & FWXFERQ_RUNNING) { 265 it->flag &= ~FWXFERQ_RUNNING; 266 fc->itx_disable(fc, it->dmach); 267 } 268 /* free extbuf */ 269 fwdev_freebuf(it); 270 it->flag &= ~(FWXFERQ_OPEN | 271 FWXFERQ_MODEMASK | FWXFERQ_CHTAGMASK); 272 d->it = NULL; 273 } 274 free(dev->si_drv1, M_FW); 275 dev->si_drv1 = NULL; 276 277 return err; 278 } 279 280 /* 281 * read request. 282 */ 283 static int 284 fw_read (dev_t dev, struct uio *uio, int ioflag) 285 { 286 struct firewire_softc *sc; 287 struct fw_xferq *ir; 288 struct fw_xfer *xfer; 289 int err = 0, slept = 0; 290 int unit = DEV2UNIT(dev); 291 struct fw_pkt *fp; 292 293 if (DEV_FWMEM(dev)) 294 return physio(dev, uio, ioflag); 295 296 sc = devclass_get_softc(firewire_devclass, unit); 297 298 ir = ((struct fw_drv1 *)dev->si_drv1)->ir; 299 if (ir == NULL || ir->buf == NULL) 300 return (EIO); 301 302 readloop: 303 xfer = STAILQ_FIRST(&ir->q); 304 if (ir->stproc == NULL) { 305 /* iso bulkxfer */ 306 ir->stproc = STAILQ_FIRST(&ir->stvalid); 307 if (ir->stproc != NULL) { 308 crit_enter(); 309 STAILQ_REMOVE_HEAD(&ir->stvalid, link); 310 crit_exit(); 311 ir->queued = 0; 312 } 313 } 314 if (xfer == NULL && ir->stproc == NULL) { 315 /* no data avaliable */ 316 if (slept == 0) { 317 slept = 1; 318 ir->flag |= FWXFERQ_WAKEUP; 319 err = tsleep(ir, FWPRI, "fw_read", hz); 320 ir->flag &= ~FWXFERQ_WAKEUP; 321 if (err == 0) 322 goto readloop; 323 } else if (slept == 1) 324 err = EIO; 325 return err; 326 } else if(xfer != NULL) { 327 #if 0 /* XXX broken */ 328 /* per packet mode or FWACT_CH bind?*/ 329 crit_enter(); 330 ir->queued --; 331 STAILQ_REMOVE_HEAD(&ir->q, link); 332 crit_exit(); 333 fp = &xfer->recv.hdr; 334 if (sc->fc->irx_post != NULL) 335 sc->fc->irx_post(sc->fc, fp->mode.ld); 336 err = uiomove((void *)fp, 1 /* XXX header size */, uio); 337 /* XXX copy payload too */ 338 /* XXX we should recycle this xfer */ 339 #endif 340 fw_xfer_free( xfer); 341 } else if(ir->stproc != NULL) { 342 /* iso bulkxfer */ 343 fp = (struct fw_pkt *)fwdma_v_addr(ir->buf, 344 ir->stproc->poffset + ir->queued); 345 if(sc->fc->irx_post != NULL) 346 sc->fc->irx_post(sc->fc, fp->mode.ld); 347 if(fp->mode.stream.len == 0){ 348 err = EIO; 349 return err; 350 } 351 err = uiomove((caddr_t)fp, 352 fp->mode.stream.len + sizeof(u_int32_t), uio); 353 ir->queued ++; 354 if(ir->queued >= ir->bnpacket){ 355 crit_enter(); 356 STAILQ_INSERT_TAIL(&ir->stfree, ir->stproc, link); 357 crit_exit(); 358 sc->fc->irx_enable(sc->fc, ir->dmach); 359 ir->stproc = NULL; 360 } 361 if (uio->uio_resid >= ir->psize) { 362 slept = -1; 363 goto readloop; 364 } 365 } 366 return err; 367 } 368 369 static int 370 fw_write (dev_t dev, struct uio *uio, int ioflag) 371 { 372 int err = 0; 373 struct firewire_softc *sc; 374 int unit = DEV2UNIT(dev); 375 int slept = 0; 376 struct fw_pkt *fp; 377 struct firewire_comm *fc; 378 struct fw_xferq *it; 379 380 if (DEV_FWMEM(dev)) 381 return physio(dev, uio, ioflag); 382 383 sc = devclass_get_softc(firewire_devclass, unit); 384 fc = sc->fc; 385 it = ((struct fw_drv1 *)dev->si_drv1)->it; 386 if (it == NULL || it->buf == NULL) 387 return (EIO); 388 isoloop: 389 if (it->stproc == NULL) { 390 it->stproc = STAILQ_FIRST(&it->stfree); 391 if (it->stproc != NULL) { 392 crit_enter(); 393 STAILQ_REMOVE_HEAD(&it->stfree, link); 394 crit_exit(); 395 it->queued = 0; 396 } else if (slept == 0) { 397 slept = 1; 398 err = sc->fc->itx_enable(sc->fc, it->dmach); 399 if (err) 400 return err; 401 err = tsleep(it, FWPRI, "fw_write", hz); 402 if (err) 403 return err; 404 goto isoloop; 405 } else { 406 err = EIO; 407 return err; 408 } 409 } 410 fp = (struct fw_pkt *)fwdma_v_addr(it->buf, 411 it->stproc->poffset + it->queued); 412 err = uiomove((caddr_t)fp, sizeof(struct fw_isohdr), uio); 413 err = uiomove((caddr_t)fp->mode.stream.payload, 414 fp->mode.stream.len, uio); 415 it->queued ++; 416 if (it->queued >= it->bnpacket) { 417 crit_enter(); 418 STAILQ_INSERT_TAIL(&it->stvalid, it->stproc, link); 419 crit_exit(); 420 it->stproc = NULL; 421 err = sc->fc->itx_enable(sc->fc, it->dmach); 422 } 423 if (uio->uio_resid >= sizeof(struct fw_isohdr)) { 424 slept = 0; 425 goto isoloop; 426 } 427 return err; 428 } 429 /* 430 * ioctl support. 431 */ 432 int 433 fw_ioctl (dev_t dev, u_long cmd, caddr_t data, int flag, fw_proc *td) 434 { 435 struct firewire_softc *sc; 436 struct firewire_comm *fc; 437 struct fw_drv1 *d; 438 int unit = DEV2UNIT(dev); 439 int i, len, err = 0; 440 struct fw_device *fwdev; 441 struct fw_bind *fwb; 442 struct fw_xferq *ir, *it; 443 struct fw_xfer *xfer; 444 struct fw_pkt *fp; 445 struct fw_devinfo *devinfo; 446 void *ptr; 447 448 struct fw_devlstreq *fwdevlst = (struct fw_devlstreq *)data; 449 struct fw_asyreq *asyreq = (struct fw_asyreq *)data; 450 struct fw_isochreq *ichreq = (struct fw_isochreq *)data; 451 struct fw_isobufreq *ibufreq = (struct fw_isobufreq *)data; 452 struct fw_asybindreq *bindreq = (struct fw_asybindreq *)data; 453 struct fw_crom_buf *crom_buf = (struct fw_crom_buf *)data; 454 455 if (DEV_FWMEM(dev)) 456 return fwmem_ioctl(dev, cmd, data, flag, td); 457 458 if (!data) 459 return(EINVAL); 460 461 sc = devclass_get_softc(firewire_devclass, unit); 462 fc = sc->fc; 463 d = (struct fw_drv1 *)dev->si_drv1; 464 ir = d->ir; 465 it = d->it; 466 467 switch (cmd) { 468 case FW_STSTREAM: 469 if (it == NULL) { 470 for (i = 0; i < fc->nisodma; i ++) { 471 it = fc->it[i]; 472 if ((it->flag & FWXFERQ_OPEN) == 0) 473 break; 474 } 475 if (i >= fc->nisodma) { 476 err = EBUSY; 477 break; 478 } 479 err = fwdev_allocbuf(fc, it, &d->bufreq.tx); 480 if (err) 481 break; 482 it->flag |= FWXFERQ_OPEN; 483 } 484 it->flag &= ~0xff; 485 it->flag |= (0x3f & ichreq->ch); 486 it->flag |= ((0x3 & ichreq->tag) << 6); 487 d->it = it; 488 break; 489 case FW_GTSTREAM: 490 if (it != NULL) { 491 ichreq->ch = it->flag & 0x3f; 492 ichreq->tag = it->flag >> 2 & 0x3; 493 } else 494 err = EINVAL; 495 break; 496 case FW_SRSTREAM: 497 if (ir == NULL) { 498 for (i = 0; i < fc->nisodma; i ++) { 499 ir = fc->ir[i]; 500 if ((ir->flag & FWXFERQ_OPEN) == 0) 501 break; 502 } 503 if (i >= fc->nisodma) { 504 err = EBUSY; 505 break; 506 } 507 err = fwdev_allocbuf(fc, ir, &d->bufreq.rx); 508 if (err) 509 break; 510 ir->flag |= FWXFERQ_OPEN; 511 } 512 ir->flag &= ~0xff; 513 ir->flag |= (0x3f & ichreq->ch); 514 ir->flag |= ((0x3 & ichreq->tag) << 6); 515 d->ir = ir; 516 err = fc->irx_enable(fc, ir->dmach); 517 break; 518 case FW_GRSTREAM: 519 if (d->ir != NULL) { 520 ichreq->ch = ir->flag & 0x3f; 521 ichreq->tag = ir->flag >> 2 & 0x3; 522 } else 523 err = EINVAL; 524 break; 525 case FW_SSTBUF: 526 bcopy(ibufreq, &d->bufreq, sizeof(d->bufreq)); 527 break; 528 case FW_GSTBUF: 529 bzero(&ibufreq->rx, sizeof(ibufreq->rx)); 530 if (ir != NULL) { 531 ibufreq->rx.nchunk = ir->bnchunk; 532 ibufreq->rx.npacket = ir->bnpacket; 533 ibufreq->rx.psize = ir->psize; 534 } 535 bzero(&ibufreq->tx, sizeof(ibufreq->tx)); 536 if (it != NULL) { 537 ibufreq->tx.nchunk = it->bnchunk; 538 ibufreq->tx.npacket = it->bnpacket; 539 ibufreq->tx.psize = it->psize; 540 } 541 break; 542 case FW_ASYREQ: 543 { 544 struct tcode_info *tinfo; 545 int pay_len = 0; 546 547 fp = &asyreq->pkt; 548 tinfo = &sc->fc->tcode[fp->mode.hdr.tcode]; 549 550 if ((tinfo->flag & FWTI_BLOCK_ASY) != 0) 551 pay_len = MAX(0, asyreq->req.len - tinfo->hdr_len); 552 553 xfer = fw_xfer_alloc_buf(M_FWXFER, pay_len, PAGE_SIZE/*XXX*/); 554 if (xfer == NULL) 555 return (ENOMEM); 556 557 switch (asyreq->req.type) { 558 case FWASREQNODE: 559 break; 560 case FWASREQEUI: 561 fwdev = fw_noderesolve_eui64(sc->fc, 562 &asyreq->req.dst.eui); 563 if (fwdev == NULL) { 564 device_printf(sc->fc->bdev, 565 "cannot find node\n"); 566 err = EINVAL; 567 goto out; 568 } 569 fp->mode.hdr.dst = FWLOCALBUS | fwdev->dst; 570 break; 571 case FWASRESTL: 572 /* XXX what's this? */ 573 break; 574 case FWASREQSTREAM: 575 /* nothing to do */ 576 break; 577 } 578 579 bcopy(fp, (void *)&xfer->send.hdr, tinfo->hdr_len); 580 if (pay_len > 0) 581 bcopy((char *)fp + tinfo->hdr_len, 582 (void *)&xfer->send.payload, pay_len); 583 xfer->send.spd = asyreq->req.sped; 584 xfer->act.hand = fw_asy_callback; 585 586 if ((err = fw_asyreq(sc->fc, -1, xfer)) != 0) 587 goto out; 588 if ((err = tsleep(xfer, FWPRI, "asyreq", hz)) != 0) 589 goto out; 590 if (xfer->resp != 0) { 591 err = EIO; 592 goto out; 593 } 594 if ((tinfo->flag & FWTI_TLABEL) == 0) 595 goto out; 596 597 /* copy response */ 598 tinfo = &sc->fc->tcode[xfer->recv.hdr.mode.hdr.tcode]; 599 if (asyreq->req.len >= xfer->recv.pay_len + tinfo->hdr_len) 600 asyreq->req.len = xfer->recv.pay_len; 601 else 602 err = EINVAL; 603 bcopy(&xfer->recv.hdr, fp, tinfo->hdr_len); 604 bcopy(xfer->recv.payload, (char *)fp + tinfo->hdr_len, 605 MAX(0, asyreq->req.len - tinfo->hdr_len)); 606 out: 607 fw_xfer_free_buf(xfer); 608 break; 609 } 610 case FW_IBUSRST: 611 sc->fc->ibr(sc->fc); 612 break; 613 case FW_CBINDADDR: 614 fwb = fw_bindlookup(sc->fc, 615 bindreq->start.hi, bindreq->start.lo); 616 if(fwb == NULL){ 617 err = EINVAL; 618 break; 619 } 620 STAILQ_REMOVE(&sc->fc->binds, fwb, fw_bind, fclist); 621 STAILQ_REMOVE(&ir->binds, fwb, fw_bind, chlist); 622 free(fwb, M_FW); 623 break; 624 case FW_SBINDADDR: 625 if(bindreq->len <= 0 ){ 626 err = EINVAL; 627 break; 628 } 629 if(bindreq->start.hi > 0xffff ){ 630 err = EINVAL; 631 break; 632 } 633 fwb = malloc(sizeof (struct fw_bind), M_FW, M_WAITOK); 634 fwb->start = ((u_int64_t)bindreq->start.hi << 32) | 635 bindreq->start.lo; 636 fwb->end = fwb->start + bindreq->len; 637 /* XXX */ 638 fwb->sub = ir->dmach; 639 fwb->act_type = FWACT_CH; 640 641 /* XXX alloc buf */ 642 xfer = fw_xfer_alloc(M_FWXFER); 643 if(xfer == NULL){ 644 free(fwb, M_FW); 645 return (ENOMEM); 646 } 647 xfer->fc = sc->fc; 648 649 crit_enter(); 650 /* XXX broken. need multiple xfer */ 651 STAILQ_INIT(&fwb->xferlist); 652 STAILQ_INSERT_TAIL(&fwb->xferlist, xfer, link); 653 crit_exit(); 654 err = fw_bindadd(sc->fc, fwb); 655 break; 656 case FW_GDEVLST: 657 i = len = 1; 658 /* myself */ 659 devinfo = &fwdevlst->dev[0]; 660 devinfo->dst = sc->fc->nodeid; 661 devinfo->status = 0; /* XXX */ 662 devinfo->eui.hi = sc->fc->eui.hi; 663 devinfo->eui.lo = sc->fc->eui.lo; 664 STAILQ_FOREACH(fwdev, &sc->fc->devices, link) { 665 if(len < FW_MAX_DEVLST){ 666 devinfo = &fwdevlst->dev[len++]; 667 devinfo->dst = fwdev->dst; 668 devinfo->status = 669 (fwdev->status == FWDEVINVAL)?0:1; 670 devinfo->eui.hi = fwdev->eui.hi; 671 devinfo->eui.lo = fwdev->eui.lo; 672 } 673 i++; 674 } 675 fwdevlst->n = i; 676 fwdevlst->info_len = len; 677 break; 678 case FW_GTPMAP: 679 bcopy(sc->fc->topology_map, data, 680 (sc->fc->topology_map->crc_len + 1) * 4); 681 break; 682 case FW_GCROM: 683 STAILQ_FOREACH(fwdev, &sc->fc->devices, link) 684 if (FW_EUI64_EQUAL(fwdev->eui, crom_buf->eui)) 685 break; 686 if (fwdev == NULL) { 687 if (!FW_EUI64_EQUAL(sc->fc->eui, crom_buf->eui)) { 688 err = FWNODE_INVAL; 689 break; 690 } 691 /* myself */ 692 ptr = malloc(CROMSIZE, M_FW, M_WAITOK); 693 len = CROMSIZE; 694 for (i = 0; i < CROMSIZE/4; i++) 695 ((u_int32_t *)ptr)[i] 696 = ntohl(sc->fc->config_rom[i]); 697 } else { 698 /* found */ 699 ptr = (void *)&fwdev->csrrom[0]; 700 if (fwdev->rommax < CSRROMOFF) 701 len = 0; 702 else 703 len = fwdev->rommax - CSRROMOFF + 4; 704 } 705 if (crom_buf->len < len) 706 len = crom_buf->len; 707 else 708 crom_buf->len = len; 709 err = copyout(ptr, crom_buf->ptr, len); 710 if (fwdev == NULL) 711 /* myself */ 712 free(ptr, M_FW); 713 break; 714 default: 715 sc->fc->ioctl (dev, cmd, data, flag, td); 716 break; 717 } 718 return err; 719 } 720 int 721 fw_poll(dev_t dev, int events, fw_proc *td) 722 { 723 struct firewire_softc *sc; 724 struct fw_xferq *ir; 725 int revents; 726 int tmp; 727 int unit = DEV2UNIT(dev); 728 729 if (DEV_FWMEM(dev)) 730 return fwmem_poll(dev, events, td); 731 732 sc = devclass_get_softc(firewire_devclass, unit); 733 ir = ((struct fw_drv1 *)dev->si_drv1)->ir; 734 revents = 0; 735 tmp = POLLIN | POLLRDNORM; 736 if (events & tmp) { 737 if (STAILQ_FIRST(&ir->q) != NULL) 738 revents |= tmp; 739 else 740 selrecord(td, &ir->rsel); 741 } 742 tmp = POLLOUT | POLLWRNORM; 743 if (events & tmp) { 744 /* XXX should be fixed */ 745 revents |= tmp; 746 } 747 748 return revents; 749 } 750 751 static int 752 #if defined(__DragonFly__) || __FreeBSD_version < 500102 753 fw_mmap (dev_t dev, vm_offset_t offset, int nproto) 754 #else 755 fw_mmap (dev_t dev, vm_offset_t offset, vm_paddr_t *paddr, int nproto) 756 #endif 757 { 758 struct firewire_softc *sc; 759 int unit = DEV2UNIT(dev); 760 761 if (DEV_FWMEM(dev)) 762 #if defined(__DragonFly__) || __FreeBSD_version < 500102 763 return fwmem_mmap(dev, offset, nproto); 764 #else 765 return fwmem_mmap(dev, offset, paddr, nproto); 766 #endif 767 768 sc = devclass_get_softc(firewire_devclass, unit); 769 770 return EINVAL; 771 } 772 773 static void 774 fw_strategy(dev_t dev, struct bio *bio) 775 { 776 struct buf *bp = bio->bio_buf; 777 778 if (DEV_FWMEM(dev)) { 779 fwmem_strategy(dev, bio); 780 return; 781 } 782 bp->b_error = EOPNOTSUPP; 783 bp->b_flags |= B_ERROR; 784 bp->b_resid = bp->b_bcount; 785 biodone(bio); 786 } 787 788 int 789 fwdev_makedev(struct firewire_softc *sc) 790 { 791 int unit; 792 793 unit = device_get_unit(sc->fc->bdev); 794 cdevsw_add(&firewire_cdevsw, FW_UNITMASK, FW_UNIT(unit)); 795 return(0); 796 } 797 798 int 799 fwdev_destroydev(struct firewire_softc *sc) 800 { 801 int unit; 802 803 unit = device_get_unit(sc->fc->bdev); 804 cdevsw_remove(&firewire_cdevsw, FW_UNITMASK, FW_UNIT(unit)); 805 return(0); 806 } 807 808 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000 809 #define NDEVTYPE 2 810 void 811 fwdev_clone(void *arg, char *name, int namelen, dev_t *dev) 812 { 813 struct firewire_softc *sc; 814 char *devnames[NDEVTYPE] = {"fw", "fwmem"}; 815 char *subp = NULL; 816 int devflag[NDEVTYPE] = {0, FWMEM_FLAG}; 817 int i, unit = 0, sub = 0; 818 819 if (*dev != NODEV) 820 return; 821 822 for (i = 0; i < NDEVTYPE; i++) 823 if (dev_stdclone(name, &subp, devnames[i], &unit) == 2) 824 goto found; 825 /* not match */ 826 return; 827 found: 828 829 if (subp == NULL || *subp++ != '.') 830 return; 831 832 /* /dev/fwU.S */ 833 while (isdigit(*subp)) { 834 sub *= 10; 835 sub += *subp++ - '0'; 836 } 837 if (*subp != '\0') 838 return; 839 840 sc = devclass_get_softc(firewire_devclass, unit); 841 if (sc == NULL) 842 return; 843 *dev = make_dev(&firewire_cdevsw, MAKEMINOR(devflag[i], unit, sub), 844 UID_ROOT, GID_OPERATOR, 0660, 845 "%s%d.%d", devnames[i], unit, sub); 846 (*dev)->si_flags |= SI_CHEAPCLONE; 847 dev_depends(sc->dev, *dev); 848 return; 849 } 850 #endif 851