fwdev.c revision 118455
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: head/sys/dev/firewire/fwdev.c 118455 2003-08-05 03:11:39Z simokawa $ 35 * 36 */ 37 38#include <sys/param.h> 39#include <sys/systm.h> 40#include <sys/types.h> 41#include <sys/mbuf.h> 42 43#include <sys/kernel.h> 44#include <sys/malloc.h> 45#include <sys/conf.h> 46#include <sys/poll.h> 47 48#include <sys/bus.h> 49#include <sys/ctype.h> 50#include <machine/bus.h> 51 52#include <sys/ioccom.h> 53 54#include <dev/firewire/firewire.h> 55#include <dev/firewire/firewirereg.h> 56#include <dev/firewire/fwdma.h> 57#include <dev/firewire/fwmem.h> 58#include <dev/firewire/iec68113.h> 59 60#define CDEV_MAJOR 127 61#define FWNODE_INVAL 0xffff 62 63static d_open_t fw_open; 64static d_close_t fw_close; 65static d_ioctl_t fw_ioctl; 66static d_poll_t fw_poll; 67static d_read_t fw_read; /* for Isochronous packet */ 68static d_write_t fw_write; 69static d_mmap_t fw_mmap; 70 71struct cdevsw firewire_cdevsw = 72{ 73#if __FreeBSD_version >= 500104 74 .d_open = fw_open, 75 .d_close = fw_close, 76 .d_read = fw_read, 77 .d_write = fw_write, 78 .d_ioctl = fw_ioctl, 79 .d_poll = fw_poll, 80 .d_mmap = fw_mmap, 81 .d_name = "fw", 82 .d_maj = CDEV_MAJOR, 83 .d_flags = D_MEM 84#else 85 fw_open, fw_close, fw_read, fw_write, fw_ioctl, 86 fw_poll, fw_mmap, nostrategy, "fw", CDEV_MAJOR, 87 nodump, nopsize, D_MEM, -1 88#endif 89}; 90 91struct fw_drv1 { 92 struct fw_xferq *ir; 93 struct fw_xferq *it; 94 struct fw_isobufreq bufreq; 95}; 96 97static int 98fwdev_allocbuf(struct firewire_comm *fc, struct fw_xferq *q, 99 struct fw_bufspec *b) 100{ 101 int i; 102 103 if (q->flag & (FWXFERQ_RUNNING | FWXFERQ_EXTBUF)) 104 return(EBUSY); 105 106 q->bulkxfer = (struct fw_bulkxfer *) malloc( 107 sizeof(struct fw_bulkxfer) * b->nchunk, 108 M_FW, M_WAITOK); 109 if (q->bulkxfer == NULL) 110 return(ENOMEM); 111 112 b->psize = roundup2(b->psize, sizeof(u_int32_t)); 113 q->buf = fwdma_malloc_multiseg(fc, sizeof(u_int32_t), 114 b->psize, b->nchunk * b->npacket, BUS_DMA_WAITOK); 115 116 if (q->buf == NULL) { 117 free(q->bulkxfer, M_FW); 118 q->bulkxfer = NULL; 119 return(ENOMEM); 120 } 121 q->bnchunk = b->nchunk; 122 q->bnpacket = b->npacket; 123 q->psize = (b->psize + 3) & ~3; 124 q->queued = 0; 125 126 STAILQ_INIT(&q->stvalid); 127 STAILQ_INIT(&q->stfree); 128 STAILQ_INIT(&q->stdma); 129 q->stproc = NULL; 130 131 for(i = 0 ; i < q->bnchunk; i++){ 132 q->bulkxfer[i].poffset = i * q->bnpacket; 133 q->bulkxfer[i].mbuf = NULL; 134 STAILQ_INSERT_TAIL(&q->stfree, &q->bulkxfer[i], link); 135 } 136 137 q->flag &= ~FWXFERQ_MODEMASK; 138 q->flag |= FWXFERQ_STREAM; 139 q->flag |= FWXFERQ_EXTBUF; 140 141 return (0); 142} 143 144static int 145fwdev_freebuf(struct fw_xferq *q) 146{ 147 if (q->flag & FWXFERQ_EXTBUF) { 148 if (q->buf != NULL) 149 fwdma_free_multiseg(q->buf); 150 q->buf = NULL; 151 free(q->bulkxfer, M_FW); 152 q->bulkxfer = NULL; 153 q->flag &= ~FWXFERQ_EXTBUF; 154 q->psize = 0; 155 q->maxq = FWMAXQUEUE; 156 } 157 return (0); 158} 159 160 161static int 162fw_open (dev_t dev, int flags, int fmt, fw_proc *td) 163{ 164 int err = 0; 165 166 if (dev->si_drv1 != NULL) 167 return (EBUSY); 168 169 if (DEV_FWMEM(dev)) 170 return fwmem_open(dev, flags, fmt, td); 171 172#if __FreeBSD_version >= 500000 173 if ((dev->si_flags & SI_NAMED) == 0) { 174 int unit = DEV2UNIT(dev); 175 int sub = DEV2SUB(dev); 176 177 make_dev(&firewire_cdevsw, minor(dev), 178 UID_ROOT, GID_OPERATOR, 0660, 179 "fw%d.%d", unit, sub); 180 } 181#endif 182 183 dev->si_drv1 = malloc(sizeof(struct fw_drv1), M_FW, M_WAITOK | M_ZERO); 184 185 return err; 186} 187 188static int 189fw_close (dev_t dev, int flags, int fmt, fw_proc *td) 190{ 191 struct firewire_softc *sc; 192 struct firewire_comm *fc; 193 struct fw_drv1 *d; 194 int unit = DEV2UNIT(dev); 195 struct fw_xfer *xfer; 196 struct fw_bind *fwb; 197 int err = 0; 198 199 if (DEV_FWMEM(dev)) 200 return fwmem_close(dev, flags, fmt, td); 201 202 sc = devclass_get_softc(firewire_devclass, unit); 203 fc = sc->fc; 204 d = (struct fw_drv1 *)dev->si_drv1; 205 206 if (d->ir != NULL) { 207 struct fw_xferq *ir = d->ir; 208 209 if ((ir->flag & FWXFERQ_OPEN) == 0) 210 return (EINVAL); 211 if (ir->flag & FWXFERQ_RUNNING) { 212 ir->flag &= ~FWXFERQ_RUNNING; 213 fc->irx_disable(fc, ir->dmach); 214 } 215 /* free extbuf */ 216 fwdev_freebuf(ir); 217 /* drain receiving buffer */ 218 for (xfer = STAILQ_FIRST(&ir->q); 219 xfer != NULL; xfer = STAILQ_FIRST(&ir->q)) { 220 ir->queued --; 221 STAILQ_REMOVE_HEAD(&ir->q, link); 222 223 xfer->resp = 0; 224 fw_xfer_done(xfer); 225 } 226 /* remove binding */ 227 for (fwb = STAILQ_FIRST(&ir->binds); fwb != NULL; 228 fwb = STAILQ_FIRST(&ir->binds)) { 229 STAILQ_REMOVE(&fc->binds, fwb, fw_bind, fclist); 230 STAILQ_REMOVE_HEAD(&ir->binds, chlist); 231 free(fwb, M_FW); 232 } 233 ir->flag &= ~(FWXFERQ_OPEN | 234 FWXFERQ_MODEMASK | FWXFERQ_CHTAGMASK); 235 d->ir = NULL; 236 237 } 238 if (d->it != NULL) { 239 struct fw_xferq *it = d->it; 240 241 if ((it->flag & FWXFERQ_OPEN) == 0) 242 return (EINVAL); 243 if (it->flag & FWXFERQ_RUNNING) { 244 it->flag &= ~FWXFERQ_RUNNING; 245 fc->itx_disable(fc, it->dmach); 246 } 247 /* free extbuf */ 248 fwdev_freebuf(it); 249 it->flag &= ~(FWXFERQ_OPEN | 250 FWXFERQ_MODEMASK | FWXFERQ_CHTAGMASK); 251 d->it = NULL; 252 } 253 free(dev->si_drv1, M_FW); 254 dev->si_drv1 = NULL; 255 256 return err; 257} 258 259/* 260 * read request. 261 */ 262static int 263fw_read (dev_t dev, struct uio *uio, int ioflag) 264{ 265 struct firewire_softc *sc; 266 struct fw_xferq *ir; 267 struct fw_xfer *xfer; 268 int err = 0, s, slept = 0; 269 int unit = DEV2UNIT(dev); 270 struct fw_pkt *fp; 271 272 if (DEV_FWMEM(dev)) 273 return fwmem_read(dev, uio, ioflag); 274 275 sc = devclass_get_softc(firewire_devclass, unit); 276 277 ir = ((struct fw_drv1 *)dev->si_drv1)->ir; 278 if (ir == NULL || ir->buf == NULL) 279 return (EIO); 280 281readloop: 282 xfer = STAILQ_FIRST(&ir->q); 283 if (ir->stproc == NULL) { 284 /* iso bulkxfer */ 285 ir->stproc = STAILQ_FIRST(&ir->stvalid); 286 if (ir->stproc != NULL) { 287 s = splfw(); 288 STAILQ_REMOVE_HEAD(&ir->stvalid, link); 289 splx(s); 290 ir->queued = 0; 291 } 292 } 293 if (xfer == NULL && ir->stproc == NULL) { 294 /* no data avaliable */ 295 if (slept == 0) { 296 slept = 1; 297 ir->flag |= FWXFERQ_WAKEUP; 298 err = tsleep(ir, FWPRI, "fw_read", hz); 299 ir->flag &= ~FWXFERQ_WAKEUP; 300 if (err == 0) 301 goto readloop; 302 } else if (slept == 1) 303 err = EIO; 304 return err; 305 } else if(xfer != NULL) { 306 /* per packet mode or FWACT_CH bind?*/ 307 s = splfw(); 308 ir->queued --; 309 STAILQ_REMOVE_HEAD(&ir->q, link); 310 splx(s); 311 fp = (struct fw_pkt *)xfer->recv.buf; 312 if(sc->fc->irx_post != NULL) 313 sc->fc->irx_post(sc->fc, fp->mode.ld); 314 err = uiomove(xfer->recv.buf, xfer->recv.len, uio); 315 /* XXX we should recycle this xfer */ 316 fw_xfer_free( xfer); 317 } else if(ir->stproc != NULL) { 318 /* iso bulkxfer */ 319 fp = (struct fw_pkt *)fwdma_v_addr(ir->buf, 320 ir->stproc->poffset + ir->queued); 321 if(sc->fc->irx_post != NULL) 322 sc->fc->irx_post(sc->fc, fp->mode.ld); 323 if(fp->mode.stream.len == 0){ 324 err = EIO; 325 return err; 326 } 327 err = uiomove((caddr_t)fp, 328 fp->mode.stream.len + sizeof(u_int32_t), uio); 329 ir->queued ++; 330 if(ir->queued >= ir->bnpacket){ 331 s = splfw(); 332 STAILQ_INSERT_TAIL(&ir->stfree, ir->stproc, link); 333 splx(s); 334 sc->fc->irx_enable(sc->fc, ir->dmach); 335 ir->stproc = NULL; 336 } 337 if (uio->uio_resid >= ir->psize) { 338 slept = -1; 339 goto readloop; 340 } 341 } 342 return err; 343} 344 345static int 346fw_write (dev_t dev, struct uio *uio, int ioflag) 347{ 348 int err = 0; 349 struct firewire_softc *sc; 350 int unit = DEV2UNIT(dev); 351 int s, slept = 0; 352 struct fw_pkt *fp; 353 struct firewire_comm *fc; 354 struct fw_xferq *it; 355 356 if (DEV_FWMEM(dev)) 357 return fwmem_write(dev, uio, ioflag); 358 359 sc = devclass_get_softc(firewire_devclass, unit); 360 fc = sc->fc; 361 it = ((struct fw_drv1 *)dev->si_drv1)->it; 362 if (it == NULL || it->buf == NULL) 363 return (EIO); 364isoloop: 365 if (it->stproc == NULL) { 366 it->stproc = STAILQ_FIRST(&it->stfree); 367 if (it->stproc != NULL) { 368 s = splfw(); 369 STAILQ_REMOVE_HEAD(&it->stfree, link); 370 splx(s); 371 it->queued = 0; 372 } else if (slept == 0) { 373 slept = 1; 374 err = sc->fc->itx_enable(sc->fc, it->dmach); 375 if (err) 376 return err; 377 err = tsleep(it, FWPRI, "fw_write", hz); 378 if (err) 379 return err; 380 goto isoloop; 381 } else { 382 err = EIO; 383 return err; 384 } 385 } 386 fp = (struct fw_pkt *)fwdma_v_addr(it->buf, 387 it->stproc->poffset + it->queued); 388 err = uiomove((caddr_t)fp, sizeof(struct fw_isohdr), uio); 389 err = uiomove((caddr_t)fp->mode.stream.payload, 390 fp->mode.stream.len, uio); 391 it->queued ++; 392 if (it->queued >= it->bnpacket) { 393 s = splfw(); 394 STAILQ_INSERT_TAIL(&it->stvalid, it->stproc, link); 395 splx(s); 396 it->stproc = NULL; 397 err = sc->fc->itx_enable(sc->fc, it->dmach); 398 } 399 if (uio->uio_resid >= sizeof(struct fw_isohdr)) { 400 slept = 0; 401 goto isoloop; 402 } 403 return err; 404} 405/* 406 * ioctl support. 407 */ 408int 409fw_ioctl (dev_t dev, u_long cmd, caddr_t data, int flag, fw_proc *td) 410{ 411 struct firewire_softc *sc; 412 struct firewire_comm *fc; 413 struct fw_drv1 *d; 414 int unit = DEV2UNIT(dev); 415 int s, i, len, err = 0; 416 struct fw_device *fwdev; 417 struct fw_bind *fwb; 418 struct fw_xferq *ir, *it; 419 struct fw_xfer *xfer; 420 struct fw_pkt *fp; 421 struct fw_devinfo *devinfo; 422 void *ptr; 423 424 struct fw_devlstreq *fwdevlst = (struct fw_devlstreq *)data; 425 struct fw_asyreq *asyreq = (struct fw_asyreq *)data; 426 struct fw_isochreq *ichreq = (struct fw_isochreq *)data; 427 struct fw_isobufreq *ibufreq = (struct fw_isobufreq *)data; 428 struct fw_asybindreq *bindreq = (struct fw_asybindreq *)data; 429 struct fw_crom_buf *crom_buf = (struct fw_crom_buf *)data; 430 431 if (DEV_FWMEM(dev)) 432 return fwmem_ioctl(dev, cmd, data, flag, td); 433 434 if (!data) 435 return(EINVAL); 436 437 sc = devclass_get_softc(firewire_devclass, unit); 438 fc = sc->fc; 439 d = (struct fw_drv1 *)dev->si_drv1; 440 ir = d->ir; 441 it = d->it; 442 443 switch (cmd) { 444 case FW_STSTREAM: 445 if (it == NULL) { 446 for (i = 0; i < fc->nisodma; i ++) { 447 it = fc->it[i]; 448 if ((it->flag & FWXFERQ_OPEN) == 0) 449 break; 450 } 451 if (i >= fc->nisodma) { 452 err = EBUSY; 453 break; 454 } 455 err = fwdev_allocbuf(fc, it, &d->bufreq.tx); 456 if (err) 457 break; 458 it->flag |= FWXFERQ_OPEN; 459 } 460 it->flag &= ~0xff; 461 it->flag |= (0x3f & ichreq->ch); 462 it->flag |= ((0x3 & ichreq->tag) << 6); 463 d->it = it; 464 err = 0; 465 break; 466 case FW_GTSTREAM: 467 if (it != NULL) { 468 ichreq->ch = it->flag & 0x3f; 469 ichreq->tag = it->flag >> 2 & 0x3; 470 err = 0; 471 } else 472 err = EINVAL; 473 break; 474 case FW_SRSTREAM: 475 if (ir == NULL) { 476 for (i = 0; i < fc->nisodma; i ++) { 477 ir = fc->ir[i]; 478 if ((ir->flag & FWXFERQ_OPEN) == 0) 479 break; 480 } 481 if (i >= fc->nisodma) { 482 err = EBUSY; 483 break; 484 } 485 err = fwdev_allocbuf(fc, ir, &d->bufreq.rx); 486 if (err) 487 break; 488 ir->flag |= FWXFERQ_OPEN; 489 } 490 ir->flag &= ~0xff; 491 ir->flag |= (0x3f & ichreq->ch); 492 ir->flag |= ((0x3 & ichreq->tag) << 6); 493 d->ir = ir; 494 err = fc->irx_enable(fc, ir->dmach); 495 break; 496 case FW_GRSTREAM: 497 if (d->ir != NULL) { 498 ichreq->ch = ir->flag & 0x3f; 499 ichreq->tag = ir->flag >> 2 & 0x3; 500 err = 0; 501 } else 502 err = EINVAL; 503 break; 504 case FW_SSTBUF: 505 bcopy(ibufreq, &d->bufreq, sizeof(d->bufreq)); 506 err = 0; 507 break; 508 case FW_GSTBUF: 509 bzero(&ibufreq->rx, sizeof(ibufreq->rx)); 510 if (ir != NULL) { 511 ibufreq->rx.nchunk = ir->bnchunk; 512 ibufreq->rx.npacket = ir->bnpacket; 513 ibufreq->rx.psize = ir->psize; 514 } 515 bzero(&ibufreq->tx, sizeof(ibufreq->tx)); 516 if (it != NULL) { 517 ibufreq->tx.nchunk = it->bnchunk; 518 ibufreq->tx.npacket = it->bnpacket; 519 ibufreq->tx.psize = it->psize; 520 } 521 break; 522 case FW_ASYREQ: 523 xfer = fw_xfer_alloc_buf(M_FWXFER, asyreq->req.len, 524 PAGE_SIZE /* XXX */); 525 if(xfer == NULL){ 526 err = ENOMEM; 527 return err; 528 } 529 fp = &asyreq->pkt; 530 switch (asyreq->req.type) { 531 case FWASREQNODE: 532 xfer->dst = fp->mode.hdr.dst; 533 break; 534 case FWASREQEUI: 535 fwdev = fw_noderesolve_eui64(sc->fc, 536 &asyreq->req.dst.eui); 537 if (fwdev == NULL) { 538 device_printf(sc->fc->bdev, 539 "cannot find node\n"); 540 err = EINVAL; 541 goto error; 542 } 543 xfer->dst = FWLOCALBUS | fwdev->dst; 544 fp->mode.hdr.dst = xfer->dst; 545 break; 546 case FWASRESTL: 547 /* XXX what's this? */ 548 break; 549 case FWASREQSTREAM: 550 /* nothing to do */ 551 break; 552 } 553 xfer->spd = asyreq->req.sped; 554 bcopy(fp, xfer->send.buf, xfer->send.len); 555 xfer->act.hand = fw_asy_callback; 556 err = fw_asyreq(sc->fc, -1, xfer); 557 if(err){ 558 fw_xfer_free( xfer); 559 return err; 560 } 561 err = tsleep(xfer, FWPRI, "asyreq", hz); 562 if(err == 0){ 563 if(asyreq->req.len >= xfer->recv.len){ 564 asyreq->req.len = xfer->recv.len; 565 }else{ 566 err = EINVAL; 567 } 568 bcopy(xfer->recv.buf, fp, asyreq->req.len); 569 } 570error: 571 fw_xfer_free( xfer); 572 break; 573 case FW_IBUSRST: 574 sc->fc->ibr(sc->fc); 575 break; 576 case FW_CBINDADDR: 577 fwb = fw_bindlookup(sc->fc, 578 bindreq->start.hi, bindreq->start.lo); 579 if(fwb == NULL){ 580 err = EINVAL; 581 break; 582 } 583 STAILQ_REMOVE(&sc->fc->binds, fwb, fw_bind, fclist); 584 STAILQ_REMOVE(&ir->binds, fwb, fw_bind, chlist); 585 free(fwb, M_FW); 586 break; 587 case FW_SBINDADDR: 588 if(bindreq->len <= 0 ){ 589 err = EINVAL; 590 break; 591 } 592 if(bindreq->start.hi > 0xffff ){ 593 err = EINVAL; 594 break; 595 } 596 fwb = (struct fw_bind *)malloc(sizeof (struct fw_bind), M_FW, M_NOWAIT); 597 if(fwb == NULL){ 598 err = ENOMEM; 599 break; 600 } 601 fwb->start_hi = bindreq->start.hi; 602 fwb->start_lo = bindreq->start.lo; 603 fwb->addrlen = bindreq->len; 604 /* XXX */ 605 fwb->sub = ir->dmach; 606 fwb->act_type = FWACT_CH; 607 608 xfer = fw_xfer_alloc(M_FWXFER); 609 if(xfer == NULL){ 610 err = ENOMEM; 611 return err; 612 } 613 xfer->fc = sc->fc; 614 615 s = splfw(); 616 /* XXX broken. need multiple xfer */ 617 STAILQ_INIT(&fwb->xferlist); 618 STAILQ_INSERT_TAIL(&fwb->xferlist, xfer, link); 619 splx(s); 620 err = fw_bindadd(sc->fc, fwb); 621 break; 622 case FW_GDEVLST: 623 i = len = 1; 624 /* myself */ 625 devinfo = &fwdevlst->dev[0]; 626 devinfo->dst = sc->fc->nodeid; 627 devinfo->status = 0; /* XXX */ 628 devinfo->eui.hi = sc->fc->eui.hi; 629 devinfo->eui.lo = sc->fc->eui.lo; 630 STAILQ_FOREACH(fwdev, &sc->fc->devices, link) { 631 if(len < FW_MAX_DEVLST){ 632 devinfo = &fwdevlst->dev[len++]; 633 devinfo->dst = fwdev->dst; 634 devinfo->status = 635 (fwdev->status == FWDEVINVAL)?0:1; 636 devinfo->eui.hi = fwdev->eui.hi; 637 devinfo->eui.lo = fwdev->eui.lo; 638 } 639 i++; 640 } 641 fwdevlst->n = i; 642 fwdevlst->info_len = len; 643 break; 644 case FW_GTPMAP: 645 bcopy(sc->fc->topology_map, data, 646 (sc->fc->topology_map->crc_len + 1) * 4); 647 break; 648 case FW_GCROM: 649 STAILQ_FOREACH(fwdev, &sc->fc->devices, link) 650 if (FW_EUI64_EQUAL(fwdev->eui, crom_buf->eui)) 651 break; 652 if (fwdev == NULL) { 653 if (!FW_EUI64_EQUAL(sc->fc->eui, crom_buf->eui)) { 654 err = FWNODE_INVAL; 655 break; 656 } 657 /* myself */ 658 ptr = malloc(CROMSIZE, M_FW, M_WAITOK); 659 len = CROMSIZE; 660 for (i = 0; i < CROMSIZE/4; i++) 661 ((u_int32_t *)ptr)[i] 662 = ntohl(sc->fc->config_rom[i]); 663 } else { 664 /* found */ 665 ptr = (void *)&fwdev->csrrom[0]; 666 if (fwdev->rommax < CSRROMOFF) 667 len = 0; 668 else 669 len = fwdev->rommax - CSRROMOFF + 4; 670 } 671 if (crom_buf->len < len) 672 len = crom_buf->len; 673 else 674 crom_buf->len = len; 675 err = copyout(ptr, crom_buf->ptr, len); 676 if (fwdev == NULL) 677 /* myself */ 678 free(ptr, M_FW); 679 break; 680 default: 681 sc->fc->ioctl (dev, cmd, data, flag, td); 682 break; 683 } 684 return err; 685} 686int 687fw_poll(dev_t dev, int events, fw_proc *td) 688{ 689 struct firewire_softc *sc; 690 struct fw_xferq *ir; 691 int revents; 692 int tmp; 693 int unit = DEV2UNIT(dev); 694 695 if (DEV_FWMEM(dev)) 696 return fwmem_poll(dev, events, td); 697 698 sc = devclass_get_softc(firewire_devclass, unit); 699 ir = ((struct fw_drv1 *)dev->si_drv1)->ir; 700 revents = 0; 701 tmp = POLLIN | POLLRDNORM; 702 if (events & tmp) { 703 if (STAILQ_FIRST(&ir->q) != NULL) 704 revents |= tmp; 705 else 706 selrecord(td, &ir->rsel); 707 } 708 tmp = POLLOUT | POLLWRNORM; 709 if (events & tmp) { 710 /* XXX should be fixed */ 711 revents |= tmp; 712 } 713 714 return revents; 715} 716 717static int 718#if __FreeBSD_version < 500102 719fw_mmap (dev_t dev, vm_offset_t offset, int nproto) 720#else 721fw_mmap (dev_t dev, vm_offset_t offset, vm_paddr_t *paddr, int nproto) 722#endif 723{ 724 struct firewire_softc *sc; 725 int unit = DEV2UNIT(dev); 726 727 if (DEV_FWMEM(dev)) 728#if __FreeBSD_version < 500102 729 return fwmem_mmap(dev, offset, nproto); 730#else 731 return fwmem_mmap(dev, offset, paddr, nproto); 732#endif 733 734 sc = devclass_get_softc(firewire_devclass, unit); 735 736 return EINVAL; 737} 738 739int 740fwdev_makedev(struct firewire_softc *sc) 741{ 742 int err = 0; 743 744#if __FreeBSD_version >= 500000 745 dev_t d; 746 int unit; 747 748 unit = device_get_unit(sc->fc->bdev); 749 sc->dev = make_dev(&firewire_cdevsw, MAKEMINOR(0, unit, 0), 750 UID_ROOT, GID_OPERATOR, 0660, 751 "fw%d.%d", unit, 0); 752 d = make_dev(&firewire_cdevsw, 753 MAKEMINOR(FWMEM_FLAG, unit, 0), 754 UID_ROOT, GID_OPERATOR, 0660, 755 "fwmem%d.%d", unit, 0); 756 dev_depends(sc->dev, d); 757 make_dev_alias(sc->dev, "fw%d", unit); 758 make_dev_alias(d, "fwmem%d", unit); 759#else 760 cdevsw_add(&firewire_cdevsw); 761#endif 762 763 return (err); 764} 765 766int 767fwdev_destroydev(struct firewire_softc *sc) 768{ 769 int err = 0; 770 771#if __FreeBSD_version >= 500000 772 destroy_dev(sc->dev); 773#else 774 cdevsw_remove(&firewire_cdevsw); 775#endif 776 return (err); 777} 778 779#if __FreeBSD_version >= 500000 780#define NDEVTYPE 2 781void 782fwdev_clone(void *arg, char *name, int namelen, dev_t *dev) 783{ 784 struct firewire_softc *sc; 785 char *devnames[NDEVTYPE] = {"fw", "fwmem"}; 786 char *subp = NULL; 787 int devflag[NDEVTYPE] = {0, FWMEM_FLAG}; 788 int i, unit = 0, sub = 0; 789 790 if (*dev != NODEV) 791 return; 792 793 for (i = 0; i < NDEVTYPE; i++) 794 if (dev_stdclone(name, &subp, devnames[i], &unit) != 1) 795 goto found; 796 /* not match */ 797 return; 798found: 799 800 if (subp == NULL || *subp++ != '.') 801 return; 802 803 /* /dev/fwU.S */ 804 while (isdigit(*subp)) { 805 sub *= 10; 806 sub += *subp++ - '0'; 807 } 808 if (*subp != '\0') 809 return; 810 811 sc = devclass_get_softc(firewire_devclass, unit); 812 if (sc == NULL) 813 return; 814 *dev = make_dev(&firewire_cdevsw, MAKEMINOR(devflag[i], unit, sub), 815 UID_ROOT, GID_OPERATOR, 0660, 816 "%s%d.%d", devnames[i], unit, sub); 817 (*dev)->si_flags |= SI_CHEAPCLONE; 818 dev_depends(sc->dev, *dev); 819 return; 820} 821#endif 822