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 1.20 2008/01/06 16:55:49 swildner 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 57 #include <sys/thread2.h> 58 59 #ifdef __DragonFly__ 60 #include "firewire.h" 61 #include "firewirereg.h" 62 #include "fwdma.h" 63 #include "fwmem.h" 64 #include "iec68113.h" 65 #else 66 #include <dev/firewire/firewire.h> 67 #include <dev/firewire/firewirereg.h> 68 #include <dev/firewire/fwdma.h> 69 #include <dev/firewire/fwmem.h> 70 #include <dev/firewire/iec68113.h> 71 #endif 72 73 #define CDEV_MAJOR 127 74 #define FWNODE_INVAL 0xffff 75 76 static d_open_t fw_open; 77 static d_close_t fw_close; 78 static d_ioctl_t fw_ioctl; 79 static d_poll_t fw_poll; 80 static d_read_t fw_read; /* for Isochronous packet */ 81 static d_write_t fw_write; 82 static d_mmap_t fw_mmap; 83 static d_strategy_t fw_strategy; 84 85 struct dev_ops firewire_ops = 86 { 87 { "fw", CDEV_MAJOR, D_MEM }, 88 .d_open = fw_open, 89 .d_close = fw_close, 90 .d_read = fw_read, 91 .d_write = fw_write, 92 .d_ioctl = fw_ioctl, 93 .d_poll = fw_poll, 94 .d_mmap = fw_mmap, 95 .d_strategy = fw_strategy, 96 }; 97 98 struct fw_drv1 { 99 struct fw_xferq *ir; 100 struct fw_xferq *it; 101 struct fw_isobufreq bufreq; 102 }; 103 104 static int 105 fwdev_allocbuf(struct firewire_comm *fc, struct fw_xferq *q, 106 struct fw_bufspec *b) 107 { 108 int i; 109 110 if (q->flag & (FWXFERQ_RUNNING | FWXFERQ_EXTBUF)) 111 return(EBUSY); 112 113 q->bulkxfer = (struct fw_bulkxfer *) kmalloc( 114 sizeof(struct fw_bulkxfer) * b->nchunk, 115 M_FW, M_WAITOK); 116 117 b->psize = roundup2(b->psize, sizeof(u_int32_t)); 118 q->buf = fwdma_malloc_multiseg(fc, sizeof(u_int32_t), 119 b->psize, b->nchunk * b->npacket, BUS_DMA_WAITOK); 120 121 if (q->buf == NULL) { 122 kfree(q->bulkxfer, M_FW); 123 q->bulkxfer = NULL; 124 return(ENOMEM); 125 } 126 q->bnchunk = b->nchunk; 127 q->bnpacket = b->npacket; 128 q->psize = (b->psize + 3) & ~3; 129 q->queued = 0; 130 131 STAILQ_INIT(&q->stvalid); 132 STAILQ_INIT(&q->stfree); 133 STAILQ_INIT(&q->stdma); 134 q->stproc = NULL; 135 136 for(i = 0 ; i < q->bnchunk; i++){ 137 q->bulkxfer[i].poffset = i * q->bnpacket; 138 q->bulkxfer[i].mbuf = NULL; 139 STAILQ_INSERT_TAIL(&q->stfree, &q->bulkxfer[i], link); 140 } 141 142 q->flag &= ~FWXFERQ_MODEMASK; 143 q->flag |= FWXFERQ_STREAM; 144 q->flag |= FWXFERQ_EXTBUF; 145 146 return (0); 147 } 148 149 static int 150 fwdev_freebuf(struct fw_xferq *q) 151 { 152 if (q->flag & FWXFERQ_EXTBUF) { 153 if (q->buf != NULL) 154 fwdma_free_multiseg(q->buf); 155 q->buf = NULL; 156 kfree(q->bulkxfer, M_FW); 157 q->bulkxfer = NULL; 158 q->flag &= ~FWXFERQ_EXTBUF; 159 q->psize = 0; 160 q->maxq = FWMAXQUEUE; 161 } 162 return (0); 163 } 164 165 166 static int 167 fw_open (struct dev_open_args *ap) 168 { 169 cdev_t dev = ap->a_head.a_dev; 170 int err = 0; 171 172 if (DEV_FWMEM(dev)) 173 return fwmem_open(ap); 174 175 if (dev->si_drv1 != NULL) 176 return (EBUSY); 177 178 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000 179 if ((dev->si_flags & SI_NAMED) == 0) { 180 int unit = DEV2UNIT(dev); 181 int sub = DEV2SUB(dev); 182 183 make_dev(&firewire_ops, minor(dev), 184 UID_ROOT, GID_OPERATOR, 0660, 185 "fw%d.%d", unit, sub); 186 } 187 #endif 188 189 dev->si_drv1 = kmalloc(sizeof(struct fw_drv1), M_FW, M_WAITOK | M_ZERO); 190 191 return err; 192 } 193 194 static int 195 fw_close (struct dev_close_args *ap) 196 { 197 cdev_t dev = ap->a_head.a_dev; 198 struct firewire_softc *sc; 199 struct firewire_comm *fc; 200 struct fw_drv1 *d; 201 int unit = DEV2UNIT(dev); 202 struct fw_xfer *xfer; 203 struct fw_bind *fwb; 204 int err = 0; 205 206 if (DEV_FWMEM(dev)) 207 return fwmem_close(ap); 208 209 sc = devclass_get_softc(firewire_devclass, unit); 210 fc = sc->fc; 211 d = (struct fw_drv1 *)dev->si_drv1; 212 213 if (d->ir != NULL) { 214 struct fw_xferq *ir = d->ir; 215 216 if ((ir->flag & FWXFERQ_OPEN) == 0) 217 return (EINVAL); 218 if (ir->flag & FWXFERQ_RUNNING) { 219 ir->flag &= ~FWXFERQ_RUNNING; 220 fc->irx_disable(fc, ir->dmach); 221 } 222 /* free extbuf */ 223 fwdev_freebuf(ir); 224 /* drain receiving buffer */ 225 for (xfer = STAILQ_FIRST(&ir->q); 226 xfer != NULL; xfer = STAILQ_FIRST(&ir->q)) { 227 ir->queued --; 228 STAILQ_REMOVE_HEAD(&ir->q, link); 229 230 xfer->resp = 0; 231 fw_xfer_done(xfer); 232 } 233 /* remove binding */ 234 for (fwb = STAILQ_FIRST(&ir->binds); fwb != NULL; 235 fwb = STAILQ_FIRST(&ir->binds)) { 236 STAILQ_REMOVE(&fc->binds, fwb, fw_bind, fclist); 237 STAILQ_REMOVE_HEAD(&ir->binds, chlist); 238 kfree(fwb, M_FW); 239 } 240 ir->flag &= ~(FWXFERQ_OPEN | 241 FWXFERQ_MODEMASK | FWXFERQ_CHTAGMASK); 242 d->ir = NULL; 243 244 } 245 if (d->it != NULL) { 246 struct fw_xferq *it = d->it; 247 248 if ((it->flag & FWXFERQ_OPEN) == 0) 249 return (EINVAL); 250 if (it->flag & FWXFERQ_RUNNING) { 251 it->flag &= ~FWXFERQ_RUNNING; 252 fc->itx_disable(fc, it->dmach); 253 } 254 /* free extbuf */ 255 fwdev_freebuf(it); 256 it->flag &= ~(FWXFERQ_OPEN | 257 FWXFERQ_MODEMASK | FWXFERQ_CHTAGMASK); 258 d->it = NULL; 259 } 260 kfree(dev->si_drv1, M_FW); 261 dev->si_drv1 = NULL; 262 263 return err; 264 } 265 266 /* 267 * read request. 268 */ 269 static int 270 fw_read (struct dev_read_args *ap) 271 { 272 cdev_t dev = ap->a_head.a_dev; 273 struct uio *uio = ap->a_uio; 274 struct firewire_softc *sc; 275 struct fw_xferq *ir; 276 struct fw_xfer *xfer; 277 int err = 0, slept = 0; 278 int unit = DEV2UNIT(dev); 279 struct fw_pkt *fp; 280 281 if (DEV_FWMEM(dev)) 282 return physread(ap); 283 284 sc = devclass_get_softc(firewire_devclass, unit); 285 286 ir = ((struct fw_drv1 *)dev->si_drv1)->ir; 287 if (ir == NULL || ir->buf == NULL) 288 return (EIO); 289 290 readloop: 291 xfer = STAILQ_FIRST(&ir->q); 292 if (ir->stproc == NULL) { 293 /* iso bulkxfer */ 294 ir->stproc = STAILQ_FIRST(&ir->stvalid); 295 if (ir->stproc != NULL) { 296 crit_enter(); 297 STAILQ_REMOVE_HEAD(&ir->stvalid, link); 298 crit_exit(); 299 ir->queued = 0; 300 } 301 } 302 if (xfer == NULL && ir->stproc == NULL) { 303 /* no data avaliable */ 304 if (slept == 0) { 305 slept = 1; 306 ir->flag |= FWXFERQ_WAKEUP; 307 err = tsleep(ir, FWPRI, "fw_read", hz); 308 ir->flag &= ~FWXFERQ_WAKEUP; 309 if (err == 0) 310 goto readloop; 311 } else if (slept == 1) 312 err = EIO; 313 return err; 314 } else if(xfer != NULL) { 315 #if 0 /* XXX broken */ 316 /* per packet mode or FWACT_CH bind?*/ 317 crit_enter(); 318 ir->queued --; 319 STAILQ_REMOVE_HEAD(&ir->q, link); 320 crit_exit(); 321 fp = &xfer->recv.hdr; 322 if (sc->fc->irx_post != NULL) 323 sc->fc->irx_post(sc->fc, fp->mode.ld); 324 err = uiomove((void *)fp, 1 /* XXX header size */, uio); 325 /* XXX copy payload too */ 326 /* XXX we should recycle this xfer */ 327 #endif 328 fw_xfer_free( xfer); 329 } else if(ir->stproc != NULL) { 330 /* iso bulkxfer */ 331 fp = (struct fw_pkt *)fwdma_v_addr(ir->buf, 332 ir->stproc->poffset + ir->queued); 333 if(sc->fc->irx_post != NULL) 334 sc->fc->irx_post(sc->fc, fp->mode.ld); 335 if(fp->mode.stream.len == 0){ 336 err = EIO; 337 return err; 338 } 339 err = uiomove((caddr_t)fp, 340 fp->mode.stream.len + sizeof(u_int32_t), uio); 341 ir->queued ++; 342 if(ir->queued >= ir->bnpacket){ 343 crit_enter(); 344 STAILQ_INSERT_TAIL(&ir->stfree, ir->stproc, link); 345 crit_exit(); 346 sc->fc->irx_enable(sc->fc, ir->dmach); 347 ir->stproc = NULL; 348 } 349 if (uio->uio_resid >= ir->psize) { 350 slept = -1; 351 goto readloop; 352 } 353 } 354 return err; 355 } 356 357 static int 358 fw_write (struct dev_write_args *ap) 359 { 360 cdev_t dev = ap->a_head.a_dev; 361 struct uio *uio = ap->a_uio; 362 int err = 0; 363 struct firewire_softc *sc; 364 int unit = DEV2UNIT(dev); 365 int slept = 0; 366 struct fw_pkt *fp; 367 struct firewire_comm *fc; 368 struct fw_xferq *it; 369 370 if (DEV_FWMEM(dev)) 371 return physwrite(ap); 372 373 sc = devclass_get_softc(firewire_devclass, unit); 374 fc = sc->fc; 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 int 712 fw_poll(struct dev_poll_args *ap) 713 { 714 cdev_t dev = ap->a_head.a_dev; 715 struct firewire_softc *sc; 716 struct fw_xferq *ir; 717 int revents; 718 int tmp; 719 int unit = DEV2UNIT(dev); 720 721 if (DEV_FWMEM(dev)) 722 return fwmem_poll(ap); 723 724 sc = devclass_get_softc(firewire_devclass, unit); 725 ir = ((struct fw_drv1 *)dev->si_drv1)->ir; 726 revents = 0; 727 tmp = POLLIN | POLLRDNORM; 728 if (ap->a_events & tmp) { 729 if (STAILQ_FIRST(&ir->q) != NULL) 730 revents |= tmp; 731 else 732 selrecord(curthread, &ir->rsel); 733 } 734 tmp = POLLOUT | POLLWRNORM; 735 if (ap->a_events & tmp) { 736 /* XXX should be fixed */ 737 revents |= tmp; 738 } 739 ap->a_events = revents; 740 return(0); 741 } 742 743 static int 744 fw_mmap (struct dev_mmap_args *ap) 745 { 746 cdev_t dev = ap->a_head.a_dev; 747 struct firewire_softc *sc; 748 int unit = DEV2UNIT(dev); 749 750 if (DEV_FWMEM(dev)) 751 return fwmem_mmap(ap); 752 sc = devclass_get_softc(firewire_devclass, unit); 753 754 return EINVAL; 755 } 756 757 static int 758 fw_strategy(struct dev_strategy_args *ap) 759 { 760 cdev_t dev = ap->a_head.a_dev; 761 struct bio *bio = ap->a_bio; 762 struct buf *bp = bio->bio_buf; 763 764 if (DEV_FWMEM(dev)) { 765 fwmem_strategy(ap); 766 return(0); 767 } 768 bp->b_error = EOPNOTSUPP; 769 bp->b_flags |= B_ERROR; 770 bp->b_resid = bp->b_bcount; 771 biodone(bio); 772 return(0); 773 } 774 775 int 776 fwdev_makedev(struct firewire_softc *sc) 777 { 778 int unit; 779 780 unit = device_get_unit(sc->fc->bdev); 781 /*HELPME dev_ops_add(&firewire_ops, FW_UNITMASK, FW_UNIT(unit));*/ 782 return(0); 783 } 784 785 int 786 fwdev_destroydev(struct firewire_softc *sc) 787 { 788 int unit; 789 790 unit = device_get_unit(sc->fc->bdev); 791 kprintf("devfs: Please check that only the right firewire devices were removed!!!!\n"); 792 dev_ops_remove_minor(&firewire_ops, /*FW_UNITMASK, */FW_UNIT(unit)); 793 return(0); 794 } 795 796 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000 797 #define NDEVTYPE 2 798 void 799 fwdev_clone(void *arg, char *name, int namelen, cdev_t *dev) 800 { 801 struct firewire_softc *sc; 802 char *devnames[NDEVTYPE] = {"fw", "fwmem"}; 803 char *subp = NULL; 804 int devflag[NDEVTYPE] = {0, FWMEM_FLAG}; 805 int i, unit = 0, sub = 0; 806 807 if (*dev != NULL) 808 return; 809 810 for (i = 0; i < NDEVTYPE; i++) 811 if (dev_stdclone(name, &subp, devnames[i], &unit) == 2) 812 goto found; 813 /* not match */ 814 return; 815 found: 816 817 if (subp == NULL || *subp++ != '.') 818 return; 819 820 /* /dev/fwU.S */ 821 while (isdigit(*subp)) { 822 sub *= 10; 823 sub += *subp++ - '0'; 824 } 825 if (*subp != '\0') 826 return; 827 828 sc = devclass_get_softc(firewire_devclass, unit); 829 if (sc == NULL) 830 return; 831 *dev = make_dev(&firewire_ops, MAKEMINOR(devflag[i], unit, sub), 832 UID_ROOT, GID_OPERATOR, 0660, 833 "%s%d.%d", devnames[i], unit, sub); 834 (*dev)->si_flags |= SI_CHEAPCLONE; 835 dev_depends(sc->dev, *dev); 836 return; 837 } 838 #endif 839