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 * 36 */ 37 38 #include <sys/param.h> 39 #include <sys/systm.h> 40 #include <sys/types.h> 41 #include <sys/mbuf.h> 42 #if defined(__DragonFly__) || __FreeBSD_version < 500000 43 #include <sys/buf.h> 44 #else 45 #include <sys/bio.h> 46 #endif 47 48 #include <sys/kernel.h> 49 #include <sys/malloc.h> 50 #include <sys/conf.h> 51 #include <sys/event.h> 52 53 #include <sys/bus.h> 54 #include <sys/ctype.h> 55 56 #include <sys/thread2.h> 57 58 #ifdef __DragonFly__ 59 #include "firewire.h" 60 #include "firewirereg.h" 61 #include "fwdma.h" 62 #include "fwmem.h" 63 #include "iec68113.h" 64 #else 65 #include <dev/firewire/firewire.h> 66 #include <dev/firewire/firewirereg.h> 67 #include <dev/firewire/fwdma.h> 68 #include <dev/firewire/fwmem.h> 69 #include <dev/firewire/iec68113.h> 70 #endif 71 72 #define FWNODE_INVAL 0xffff 73 74 static d_open_t fw_open; 75 static d_close_t fw_close; 76 static d_ioctl_t fw_ioctl; 77 static d_kqfilter_t fw_kqfilter; 78 static d_read_t fw_read; /* for Isochronous packet */ 79 static d_write_t fw_write; 80 static d_mmap_t fw_mmap; 81 static d_strategy_t fw_strategy; 82 83 static void fwfilt_detach(struct knote *); 84 static int fwfilt_read(struct knote *, long); 85 static int fwfilt_write(struct knote *, long); 86 87 struct dev_ops firewire_ops = 88 { 89 { "fw", 0, D_MEM }, 90 .d_open = fw_open, 91 .d_close = fw_close, 92 .d_read = fw_read, 93 .d_write = fw_write, 94 .d_ioctl = fw_ioctl, 95 .d_kqfilter = fw_kqfilter, 96 .d_mmap = fw_mmap, 97 .d_strategy = fw_strategy, 98 }; 99 100 struct fw_drv1 { 101 struct fw_xferq *ir; 102 struct fw_xferq *it; 103 struct fw_isobufreq bufreq; 104 }; 105 106 static int 107 fwdev_allocbuf(struct firewire_comm *fc, struct fw_xferq *q, 108 struct fw_bufspec *b) 109 { 110 int i; 111 112 if (q->flag & (FWXFERQ_RUNNING | FWXFERQ_EXTBUF)) 113 return(EBUSY); 114 115 q->bulkxfer = (struct fw_bulkxfer *) kmalloc( 116 sizeof(struct fw_bulkxfer) * b->nchunk, 117 M_FW, M_WAITOK); 118 119 b->psize = roundup2(b->psize, sizeof(u_int32_t)); 120 q->buf = fwdma_malloc_multiseg(fc, sizeof(u_int32_t), 121 b->psize, b->nchunk * b->npacket, BUS_DMA_WAITOK); 122 123 if (q->buf == NULL) { 124 kfree(q->bulkxfer, M_FW); 125 q->bulkxfer = NULL; 126 return(ENOMEM); 127 } 128 q->bnchunk = b->nchunk; 129 q->bnpacket = b->npacket; 130 q->psize = (b->psize + 3) & ~3; 131 q->queued = 0; 132 133 STAILQ_INIT(&q->stvalid); 134 STAILQ_INIT(&q->stfree); 135 STAILQ_INIT(&q->stdma); 136 q->stproc = NULL; 137 138 for(i = 0 ; i < q->bnchunk; i++){ 139 q->bulkxfer[i].poffset = i * q->bnpacket; 140 q->bulkxfer[i].mbuf = NULL; 141 STAILQ_INSERT_TAIL(&q->stfree, &q->bulkxfer[i], link); 142 } 143 144 q->flag &= ~FWXFERQ_MODEMASK; 145 q->flag |= FWXFERQ_STREAM; 146 q->flag |= FWXFERQ_EXTBUF; 147 148 return (0); 149 } 150 151 static int 152 fwdev_freebuf(struct fw_xferq *q) 153 { 154 if (q->flag & FWXFERQ_EXTBUF) { 155 if (q->buf != NULL) 156 fwdma_free_multiseg(q->buf); 157 q->buf = NULL; 158 kfree(q->bulkxfer, M_FW); 159 q->bulkxfer = NULL; 160 q->flag &= ~FWXFERQ_EXTBUF; 161 q->psize = 0; 162 q->maxq = FWMAXQUEUE; 163 } 164 return (0); 165 } 166 167 168 static int 169 fw_open (struct dev_open_args *ap) 170 { 171 cdev_t dev = ap->a_head.a_dev; 172 int err = 0; 173 174 if (DEV_FWMEM(dev)) 175 return fwmem_open(ap); 176 177 if (dev->si_drv1 != NULL) 178 return (EBUSY); 179 180 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000 181 if ((dev->si_flags & SI_NAMED) == 0) { 182 int unit = DEV2UNIT(dev); 183 int sub = DEV2SUB(dev); 184 185 make_dev(&firewire_ops, minor(dev), 186 UID_ROOT, GID_OPERATOR, 0660, 187 "fw%d.%d", unit, sub); 188 } 189 #endif 190 191 dev->si_drv1 = kmalloc(sizeof(struct fw_drv1), M_FW, M_WAITOK | M_ZERO); 192 193 return err; 194 } 195 196 static int 197 fw_close (struct dev_close_args *ap) 198 { 199 cdev_t dev = ap->a_head.a_dev; 200 struct firewire_softc *sc; 201 struct firewire_comm *fc; 202 struct fw_drv1 *d; 203 int unit = DEV2UNIT(dev); 204 struct fw_xfer *xfer; 205 struct fw_bind *fwb; 206 int err = 0; 207 208 if (DEV_FWMEM(dev)) 209 return fwmem_close(ap); 210 211 sc = devclass_get_softc(firewire_devclass, unit); 212 fc = sc->fc; 213 d = (struct fw_drv1 *)dev->si_drv1; 214 215 if (d->ir != NULL) { 216 struct fw_xferq *ir = d->ir; 217 218 if ((ir->flag & FWXFERQ_OPEN) == 0) 219 return (EINVAL); 220 if (ir->flag & FWXFERQ_RUNNING) { 221 ir->flag &= ~FWXFERQ_RUNNING; 222 fc->irx_disable(fc, ir->dmach); 223 } 224 /* free extbuf */ 225 fwdev_freebuf(ir); 226 /* drain receiving buffer */ 227 for (xfer = STAILQ_FIRST(&ir->q); 228 xfer != NULL; xfer = STAILQ_FIRST(&ir->q)) { 229 ir->queued --; 230 STAILQ_REMOVE_HEAD(&ir->q, link); 231 232 xfer->resp = 0; 233 fw_xfer_done(xfer); 234 } 235 /* remove binding */ 236 for (fwb = STAILQ_FIRST(&ir->binds); fwb != NULL; 237 fwb = STAILQ_FIRST(&ir->binds)) { 238 STAILQ_REMOVE(&fc->binds, fwb, fw_bind, fclist); 239 STAILQ_REMOVE_HEAD(&ir->binds, chlist); 240 kfree(fwb, M_FW); 241 } 242 ir->flag &= ~(FWXFERQ_OPEN | 243 FWXFERQ_MODEMASK | FWXFERQ_CHTAGMASK); 244 d->ir = NULL; 245 246 } 247 if (d->it != NULL) { 248 struct fw_xferq *it = d->it; 249 250 if ((it->flag & FWXFERQ_OPEN) == 0) 251 return (EINVAL); 252 if (it->flag & FWXFERQ_RUNNING) { 253 it->flag &= ~FWXFERQ_RUNNING; 254 fc->itx_disable(fc, it->dmach); 255 } 256 /* free extbuf */ 257 fwdev_freebuf(it); 258 it->flag &= ~(FWXFERQ_OPEN | 259 FWXFERQ_MODEMASK | FWXFERQ_CHTAGMASK); 260 d->it = NULL; 261 } 262 kfree(dev->si_drv1, M_FW); 263 dev->si_drv1 = NULL; 264 265 return err; 266 } 267 268 /* 269 * read request. 270 */ 271 static int 272 fw_read (struct dev_read_args *ap) 273 { 274 cdev_t dev = ap->a_head.a_dev; 275 struct uio *uio = ap->a_uio; 276 struct firewire_softc *sc; 277 struct fw_xferq *ir; 278 struct fw_xfer *xfer; 279 int err = 0, slept = 0; 280 int unit = DEV2UNIT(dev); 281 struct fw_pkt *fp; 282 283 if (DEV_FWMEM(dev)) 284 return physread(ap); 285 286 sc = devclass_get_softc(firewire_devclass, unit); 287 288 ir = ((struct fw_drv1 *)dev->si_drv1)->ir; 289 if (ir == NULL || ir->buf == NULL) 290 return (EIO); 291 292 readloop: 293 xfer = STAILQ_FIRST(&ir->q); 294 if (ir->stproc == NULL) { 295 /* iso bulkxfer */ 296 ir->stproc = STAILQ_FIRST(&ir->stvalid); 297 if (ir->stproc != NULL) { 298 crit_enter(); 299 STAILQ_REMOVE_HEAD(&ir->stvalid, link); 300 crit_exit(); 301 ir->queued = 0; 302 } 303 } 304 if (xfer == NULL && ir->stproc == NULL) { 305 /* no data avaliable */ 306 if (slept == 0) { 307 slept = 1; 308 ir->flag |= FWXFERQ_WAKEUP; 309 err = tsleep(ir, FWPRI, "fw_read", hz); 310 ir->flag &= ~FWXFERQ_WAKEUP; 311 if (err == 0) 312 goto readloop; 313 } else if (slept == 1) 314 err = EIO; 315 return err; 316 } else if(xfer != NULL) { 317 #if 0 /* XXX broken */ 318 /* per packet mode or FWACT_CH bind?*/ 319 crit_enter(); 320 ir->queued --; 321 STAILQ_REMOVE_HEAD(&ir->q, link); 322 crit_exit(); 323 fp = &xfer->recv.hdr; 324 if (sc->fc->irx_post != NULL) 325 sc->fc->irx_post(sc->fc, fp->mode.ld); 326 err = uiomove((void *)fp, 1 /* XXX header size */, uio); 327 /* XXX copy payload too */ 328 /* XXX we should recycle this xfer */ 329 #endif 330 fw_xfer_free( xfer); 331 } else if(ir->stproc != NULL) { 332 /* iso bulkxfer */ 333 fp = (struct fw_pkt *)fwdma_v_addr(ir->buf, 334 ir->stproc->poffset + ir->queued); 335 if(sc->fc->irx_post != NULL) 336 sc->fc->irx_post(sc->fc, fp->mode.ld); 337 if(fp->mode.stream.len == 0){ 338 err = EIO; 339 return err; 340 } 341 err = uiomove((caddr_t)fp, 342 fp->mode.stream.len + sizeof(u_int32_t), uio); 343 ir->queued ++; 344 if(ir->queued >= ir->bnpacket){ 345 crit_enter(); 346 STAILQ_INSERT_TAIL(&ir->stfree, ir->stproc, link); 347 crit_exit(); 348 sc->fc->irx_enable(sc->fc, ir->dmach); 349 ir->stproc = NULL; 350 } 351 if (uio->uio_resid >= ir->psize) { 352 slept = -1; 353 goto readloop; 354 } 355 } 356 return err; 357 } 358 359 static int 360 fw_write (struct dev_write_args *ap) 361 { 362 cdev_t dev = ap->a_head.a_dev; 363 struct uio *uio = ap->a_uio; 364 int err = 0; 365 struct firewire_softc *sc; 366 int unit = DEV2UNIT(dev); 367 int slept = 0; 368 struct fw_pkt *fp; 369 struct fw_xferq *it; 370 371 if (DEV_FWMEM(dev)) 372 return physwrite(ap); 373 374 sc = devclass_get_softc(firewire_devclass, unit); 375 it = ((struct fw_drv1 *)dev->si_drv1)->it; 376 if (it == NULL || it->buf == NULL) 377 return (EIO); 378 isoloop: 379 if (it->stproc == NULL) { 380 it->stproc = STAILQ_FIRST(&it->stfree); 381 if (it->stproc != NULL) { 382 crit_enter(); 383 STAILQ_REMOVE_HEAD(&it->stfree, link); 384 crit_exit(); 385 it->queued = 0; 386 } else if (slept == 0) { 387 slept = 1; 388 err = sc->fc->itx_enable(sc->fc, it->dmach); 389 if (err) 390 return err; 391 err = tsleep(it, FWPRI, "fw_write", hz); 392 if (err) 393 return err; 394 goto isoloop; 395 } else { 396 err = EIO; 397 return err; 398 } 399 } 400 fp = (struct fw_pkt *)fwdma_v_addr(it->buf, 401 it->stproc->poffset + it->queued); 402 err = uiomove((caddr_t)fp, sizeof(struct fw_isohdr), uio); 403 err = uiomove((caddr_t)fp->mode.stream.payload, 404 fp->mode.stream.len, uio); 405 it->queued ++; 406 if (it->queued >= it->bnpacket) { 407 crit_enter(); 408 STAILQ_INSERT_TAIL(&it->stvalid, it->stproc, link); 409 crit_exit(); 410 it->stproc = NULL; 411 err = sc->fc->itx_enable(sc->fc, it->dmach); 412 } 413 if (uio->uio_resid >= sizeof(struct fw_isohdr)) { 414 slept = 0; 415 goto isoloop; 416 } 417 return err; 418 } 419 /* 420 * ioctl support. 421 */ 422 int 423 fw_ioctl (struct dev_ioctl_args *ap) 424 { 425 cdev_t dev = ap->a_head.a_dev; 426 struct firewire_softc *sc; 427 struct firewire_comm *fc; 428 struct fw_drv1 *d; 429 int unit = DEV2UNIT(dev); 430 int i, len, err = 0; 431 struct fw_device *fwdev; 432 struct fw_bind *fwb; 433 struct fw_xferq *ir, *it; 434 struct fw_xfer *xfer; 435 struct fw_pkt *fp; 436 struct fw_devinfo *devinfo; 437 void *ptr; 438 439 struct fw_devlstreq *fwdevlst = (struct fw_devlstreq *)ap->a_data; 440 struct fw_asyreq *asyreq = (struct fw_asyreq *)ap->a_data; 441 struct fw_isochreq *ichreq = (struct fw_isochreq *)ap->a_data; 442 struct fw_isobufreq *ibufreq = (struct fw_isobufreq *)ap->a_data; 443 struct fw_asybindreq *bindreq = (struct fw_asybindreq *)ap->a_data; 444 struct fw_crom_buf *crom_buf = (struct fw_crom_buf *)ap->a_data; 445 446 if (DEV_FWMEM(dev)) 447 return fwmem_ioctl(ap); 448 449 if (!ap->a_data) 450 return(EINVAL); 451 452 sc = devclass_get_softc(firewire_devclass, unit); 453 fc = sc->fc; 454 d = (struct fw_drv1 *)dev->si_drv1; 455 ir = d->ir; 456 it = d->it; 457 458 switch (ap->a_cmd) { 459 case FW_STSTREAM: 460 if (it == NULL) { 461 for (i = 0; i < fc->nisodma; i ++) { 462 it = fc->it[i]; 463 if ((it->flag & FWXFERQ_OPEN) == 0) 464 break; 465 } 466 if (i >= fc->nisodma) { 467 err = EBUSY; 468 break; 469 } 470 err = fwdev_allocbuf(fc, it, &d->bufreq.tx); 471 if (err) 472 break; 473 it->flag |= FWXFERQ_OPEN; 474 } 475 it->flag &= ~0xff; 476 it->flag |= (0x3f & ichreq->ch); 477 it->flag |= ((0x3 & ichreq->tag) << 6); 478 d->it = it; 479 break; 480 case FW_GTSTREAM: 481 if (it != NULL) { 482 ichreq->ch = it->flag & 0x3f; 483 ichreq->tag = it->flag >> 2 & 0x3; 484 } else 485 err = EINVAL; 486 break; 487 case FW_SRSTREAM: 488 if (ir == NULL) { 489 for (i = 0; i < fc->nisodma; i ++) { 490 ir = fc->ir[i]; 491 if ((ir->flag & FWXFERQ_OPEN) == 0) 492 break; 493 } 494 if (i >= fc->nisodma) { 495 err = EBUSY; 496 break; 497 } 498 err = fwdev_allocbuf(fc, ir, &d->bufreq.rx); 499 if (err) 500 break; 501 ir->flag |= FWXFERQ_OPEN; 502 } 503 ir->flag &= ~0xff; 504 ir->flag |= (0x3f & ichreq->ch); 505 ir->flag |= ((0x3 & ichreq->tag) << 6); 506 d->ir = ir; 507 err = fc->irx_enable(fc, ir->dmach); 508 break; 509 case FW_GRSTREAM: 510 if (d->ir != NULL) { 511 ichreq->ch = ir->flag & 0x3f; 512 ichreq->tag = ir->flag >> 2 & 0x3; 513 } else 514 err = EINVAL; 515 break; 516 case FW_SSTBUF: 517 bcopy(ibufreq, &d->bufreq, sizeof(d->bufreq)); 518 break; 519 case FW_GSTBUF: 520 bzero(&ibufreq->rx, sizeof(ibufreq->rx)); 521 if (ir != NULL) { 522 ibufreq->rx.nchunk = ir->bnchunk; 523 ibufreq->rx.npacket = ir->bnpacket; 524 ibufreq->rx.psize = ir->psize; 525 } 526 bzero(&ibufreq->tx, sizeof(ibufreq->tx)); 527 if (it != NULL) { 528 ibufreq->tx.nchunk = it->bnchunk; 529 ibufreq->tx.npacket = it->bnpacket; 530 ibufreq->tx.psize = it->psize; 531 } 532 break; 533 case FW_ASYREQ: 534 { 535 struct tcode_info *tinfo; 536 int pay_len = 0; 537 538 fp = &asyreq->pkt; 539 tinfo = &sc->fc->tcode[fp->mode.hdr.tcode]; 540 541 if ((tinfo->flag & FWTI_BLOCK_ASY) != 0) 542 pay_len = MAX(0, asyreq->req.len - tinfo->hdr_len); 543 544 xfer = fw_xfer_alloc_buf(M_FWXFER, pay_len, PAGE_SIZE/*XXX*/); 545 if (xfer == NULL) 546 return (ENOMEM); 547 548 switch (asyreq->req.type) { 549 case FWASREQNODE: 550 break; 551 case FWASREQEUI: 552 fwdev = fw_noderesolve_eui64(sc->fc, 553 &asyreq->req.dst.eui); 554 if (fwdev == NULL) { 555 device_printf(sc->fc->bdev, 556 "cannot find node\n"); 557 err = EINVAL; 558 goto out; 559 } 560 fp->mode.hdr.dst = FWLOCALBUS | fwdev->dst; 561 break; 562 case FWASRESTL: 563 /* XXX what's this? */ 564 break; 565 case FWASREQSTREAM: 566 /* nothing to do */ 567 break; 568 } 569 570 bcopy(fp, (void *)&xfer->send.hdr, tinfo->hdr_len); 571 if (pay_len > 0) 572 bcopy((char *)fp + tinfo->hdr_len, 573 (void *)&xfer->send.payload, pay_len); 574 xfer->send.spd = asyreq->req.sped; 575 xfer->act.hand = fw_asy_callback; 576 577 if ((err = fw_asyreq(sc->fc, -1, xfer)) != 0) 578 goto out; 579 if ((err = tsleep(xfer, FWPRI, "asyreq", hz)) != 0) 580 goto out; 581 if (xfer->resp != 0) { 582 err = EIO; 583 goto out; 584 } 585 if ((tinfo->flag & FWTI_TLABEL) == 0) 586 goto out; 587 588 /* copy response */ 589 tinfo = &sc->fc->tcode[xfer->recv.hdr.mode.hdr.tcode]; 590 if (asyreq->req.len >= xfer->recv.pay_len + tinfo->hdr_len) 591 asyreq->req.len = xfer->recv.pay_len; 592 else 593 err = EINVAL; 594 bcopy(&xfer->recv.hdr, fp, tinfo->hdr_len); 595 bcopy(xfer->recv.payload, (char *)fp + tinfo->hdr_len, 596 MAX(0, asyreq->req.len - tinfo->hdr_len)); 597 out: 598 fw_xfer_free_buf(xfer); 599 break; 600 } 601 case FW_IBUSRST: 602 sc->fc->ibr(sc->fc); 603 break; 604 case FW_CBINDADDR: 605 fwb = fw_bindlookup(sc->fc, 606 bindreq->start.hi, bindreq->start.lo); 607 if(fwb == NULL){ 608 err = EINVAL; 609 break; 610 } 611 STAILQ_REMOVE(&sc->fc->binds, fwb, fw_bind, fclist); 612 STAILQ_REMOVE(&ir->binds, fwb, fw_bind, chlist); 613 kfree(fwb, M_FW); 614 break; 615 case FW_SBINDADDR: 616 if(bindreq->len <= 0 ){ 617 err = EINVAL; 618 break; 619 } 620 if(bindreq->start.hi > 0xffff ){ 621 err = EINVAL; 622 break; 623 } 624 fwb = kmalloc(sizeof (struct fw_bind), M_FW, M_WAITOK); 625 fwb->start = ((u_int64_t)bindreq->start.hi << 32) | 626 bindreq->start.lo; 627 fwb->end = fwb->start + bindreq->len; 628 /* XXX */ 629 fwb->sub = ir->dmach; 630 fwb->act_type = FWACT_CH; 631 632 /* XXX alloc buf */ 633 xfer = fw_xfer_alloc(M_FWXFER); 634 if(xfer == NULL){ 635 kfree(fwb, M_FW); 636 return (ENOMEM); 637 } 638 xfer->fc = sc->fc; 639 640 crit_enter(); 641 /* XXX broken. need multiple xfer */ 642 STAILQ_INIT(&fwb->xferlist); 643 STAILQ_INSERT_TAIL(&fwb->xferlist, xfer, link); 644 crit_exit(); 645 err = fw_bindadd(sc->fc, fwb); 646 break; 647 case FW_GDEVLST: 648 i = len = 1; 649 /* myself */ 650 devinfo = &fwdevlst->dev[0]; 651 devinfo->dst = sc->fc->nodeid; 652 devinfo->status = 0; /* XXX */ 653 devinfo->eui.hi = sc->fc->eui.hi; 654 devinfo->eui.lo = sc->fc->eui.lo; 655 STAILQ_FOREACH(fwdev, &sc->fc->devices, link) { 656 if(len < FW_MAX_DEVLST){ 657 devinfo = &fwdevlst->dev[len++]; 658 devinfo->dst = fwdev->dst; 659 devinfo->status = 660 (fwdev->status == FWDEVINVAL)?0:1; 661 devinfo->eui.hi = fwdev->eui.hi; 662 devinfo->eui.lo = fwdev->eui.lo; 663 } 664 i++; 665 } 666 fwdevlst->n = i; 667 fwdevlst->info_len = len; 668 break; 669 case FW_GTPMAP: 670 bcopy(sc->fc->topology_map, ap->a_data, 671 (sc->fc->topology_map->crc_len + 1) * 4); 672 break; 673 case FW_GCROM: 674 STAILQ_FOREACH(fwdev, &sc->fc->devices, link) 675 if (FW_EUI64_EQUAL(fwdev->eui, crom_buf->eui)) 676 break; 677 if (fwdev == NULL) { 678 if (!FW_EUI64_EQUAL(sc->fc->eui, crom_buf->eui)) { 679 err = FWNODE_INVAL; 680 break; 681 } 682 /* myself */ 683 ptr = kmalloc(CROMSIZE, M_FW, M_WAITOK); 684 len = CROMSIZE; 685 for (i = 0; i < CROMSIZE/4; i++) 686 ((u_int32_t *)ptr)[i] 687 = ntohl(sc->fc->config_rom[i]); 688 } else { 689 /* found */ 690 ptr = (void *)&fwdev->csrrom[0]; 691 if (fwdev->rommax < CSRROMOFF) 692 len = 0; 693 else 694 len = fwdev->rommax - CSRROMOFF + 4; 695 } 696 if (crom_buf->len < len && crom_buf->len >= 0) 697 len = crom_buf->len; 698 else 699 crom_buf->len = len; 700 err = copyout(ptr, crom_buf->ptr, len); 701 if (fwdev == NULL) 702 /* myself */ 703 kfree(ptr, M_FW); 704 break; 705 default: 706 sc->fc->ioctl(ap); 707 break; 708 } 709 return err; 710 } 711 712 static struct filterops fw_read_filterops = 713 { FILTEROP_ISFD, NULL, fwfilt_detach, fwfilt_read }; 714 static struct filterops fw_write_filterops = 715 { FILTEROP_ISFD, NULL, fwfilt_detach, fwfilt_write }; 716 717 static int 718 fw_kqfilter(struct dev_kqfilter_args *ap) 719 { 720 cdev_t dev = ap->a_head.a_dev; 721 struct fw_xferq *ir; 722 struct knote *kn = ap->a_kn; 723 struct klist *klist; 724 725 /* 726 * XXX Implement filters for mem? 727 */ 728 if (DEV_FWMEM(dev)) { 729 ap->a_result = EOPNOTSUPP; 730 return (0); 731 } 732 733 ir = ((struct fw_drv1 *)dev->si_drv1)->ir; 734 735 ap->a_result = 0; 736 737 switch (kn->kn_filter) { 738 case EVFILT_READ: 739 kn->kn_fop = &fw_read_filterops; 740 kn->kn_hook = (caddr_t)ir; 741 break; 742 case EVFILT_WRITE: 743 kn->kn_fop = &fw_write_filterops; 744 kn->kn_hook = (caddr_t)ir; 745 break; 746 default: 747 ap->a_result = EOPNOTSUPP; 748 return (0); 749 } 750 751 klist = &ir->rkq.ki_note; 752 knote_insert(klist, kn); 753 754 return (0); 755 } 756 757 static void 758 fwfilt_detach(struct knote *kn) 759 { 760 struct fw_xferq *ir = (struct fw_xferq *)kn->kn_hook; 761 struct klist *klist = &ir->rkq.ki_note; 762 763 knote_remove(klist, kn); 764 } 765 766 static int 767 fwfilt_read(struct knote *kn, long hint) 768 { 769 struct fw_xferq *ir = (struct fw_xferq *)kn->kn_hook; 770 int ready = 0; 771 772 if (STAILQ_FIRST(&ir->q) != NULL) 773 ready = 1; 774 775 return (ready); 776 } 777 778 static int 779 fwfilt_write(struct knote *kn, long hint) 780 { 781 /* XXX should be fixed */ 782 return (1); 783 } 784 785 static int 786 fw_mmap (struct dev_mmap_args *ap) 787 { 788 cdev_t dev = ap->a_head.a_dev; 789 790 if (DEV_FWMEM(dev)) 791 return fwmem_mmap(ap); 792 793 return EINVAL; 794 } 795 796 static int 797 fw_strategy(struct dev_strategy_args *ap) 798 { 799 cdev_t dev = ap->a_head.a_dev; 800 struct bio *bio = ap->a_bio; 801 struct buf *bp = bio->bio_buf; 802 803 if (DEV_FWMEM(dev)) { 804 fwmem_strategy(ap); 805 return(0); 806 } 807 bp->b_error = EOPNOTSUPP; 808 bp->b_flags |= B_ERROR; 809 bp->b_resid = bp->b_bcount; 810 biodone(bio); 811 return(0); 812 } 813 814 int 815 fwdev_makedev(struct firewire_softc *sc) 816 { 817 /*HELPME dev_ops_add(&firewire_ops, FW_UNITMASK, FW_UNIT(unit));*/ 818 return(0); 819 } 820 821 int 822 fwdev_destroydev(struct firewire_softc *sc) 823 { 824 int unit; 825 826 unit = device_get_unit(sc->fc->bdev); 827 dev_ops_remove_minor(&firewire_ops, /*FW_UNITMASK, */FW_UNIT(unit)); 828 return(0); 829 } 830 831 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000 832 #define NDEVTYPE 2 833 void 834 fwdev_clone(void *arg, char *name, int namelen, cdev_t *dev) 835 { 836 struct firewire_softc *sc; 837 char *devnames[NDEVTYPE] = {"fw", "fwmem"}; 838 char *subp = NULL; 839 int devflag[NDEVTYPE] = {0, FWMEM_FLAG}; 840 int i, unit = 0, sub = 0; 841 842 if (*dev != NULL) 843 return; 844 845 for (i = 0; i < NDEVTYPE; i++) 846 if (dev_stdclone(name, &subp, devnames[i], &unit) == 2) 847 goto found; 848 /* not match */ 849 return; 850 found: 851 852 if (subp == NULL || *subp++ != '.') 853 return; 854 855 /* /dev/fwU.S */ 856 while (isdigit(*subp)) { 857 sub *= 10; 858 sub += *subp++ - '0'; 859 } 860 if (*subp != '\0') 861 return; 862 863 sc = devclass_get_softc(firewire_devclass, unit); 864 if (sc == NULL) 865 return; 866 *dev = make_dev(&firewire_ops, MAKEMINOR(devflag[i], unit, sub), 867 UID_ROOT, GID_OPERATOR, 0660, 868 "%s%d.%d", devnames[i], unit, sub); 869 (*dev)->si_flags |= SI_CHEAPCLONE; 870 dev_depends(sc->dev, *dev); 871 return; 872 } 873 #endif 874