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 1.18 2006/12/06 11:50:06 corecode 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/ioccom.h> 58 #include <sys/thread2.h> 59 60 #ifdef __DragonFly__ 61 #include "firewire.h" 62 #include "firewirereg.h" 63 #include "fwdma.h" 64 #include "fwmem.h" 65 #include "iec68113.h" 66 #else 67 #include <dev/firewire/firewire.h> 68 #include <dev/firewire/firewirereg.h> 69 #include <dev/firewire/fwdma.h> 70 #include <dev/firewire/fwmem.h> 71 #include <dev/firewire/iec68113.h> 72 #endif 73 74 #define CDEV_MAJOR 127 75 #define FWNODE_INVAL 0xffff 76 77 static d_open_t fw_open; 78 static d_close_t fw_close; 79 static d_ioctl_t fw_ioctl; 80 static d_poll_t fw_poll; 81 static d_read_t fw_read; /* for Isochronous packet */ 82 static d_write_t fw_write; 83 static d_mmap_t fw_mmap; 84 static d_strategy_t fw_strategy; 85 86 struct dev_ops firewire_ops = 87 { 88 { "fw", CDEV_MAJOR, D_MEM }, 89 .d_open = fw_open, 90 .d_close = fw_close, 91 .d_read = fw_read, 92 .d_write = fw_write, 93 .d_ioctl = fw_ioctl, 94 .d_poll = fw_poll, 95 .d_mmap = fw_mmap, 96 .d_strategy = fw_strategy, 97 }; 98 99 struct fw_drv1 { 100 struct fw_xferq *ir; 101 struct fw_xferq *it; 102 struct fw_isobufreq bufreq; 103 }; 104 105 static int 106 fwdev_allocbuf(struct firewire_comm *fc, struct fw_xferq *q, 107 struct fw_bufspec *b) 108 { 109 int i; 110 111 if (q->flag & (FWXFERQ_RUNNING | FWXFERQ_EXTBUF)) 112 return(EBUSY); 113 114 q->bulkxfer = (struct fw_bulkxfer *) kmalloc( 115 sizeof(struct fw_bulkxfer) * b->nchunk, 116 M_FW, M_WAITOK); 117 if (q->bulkxfer == NULL) 118 return(ENOMEM); 119 120 b->psize = roundup2(b->psize, sizeof(u_int32_t)); 121 q->buf = fwdma_malloc_multiseg(fc, sizeof(u_int32_t), 122 b->psize, b->nchunk * b->npacket, BUS_DMA_WAITOK); 123 124 if (q->buf == NULL) { 125 kfree(q->bulkxfer, M_FW); 126 q->bulkxfer = NULL; 127 return(ENOMEM); 128 } 129 q->bnchunk = b->nchunk; 130 q->bnpacket = b->npacket; 131 q->psize = (b->psize + 3) & ~3; 132 q->queued = 0; 133 134 STAILQ_INIT(&q->stvalid); 135 STAILQ_INIT(&q->stfree); 136 STAILQ_INIT(&q->stdma); 137 q->stproc = NULL; 138 139 for(i = 0 ; i < q->bnchunk; i++){ 140 q->bulkxfer[i].poffset = i * q->bnpacket; 141 q->bulkxfer[i].mbuf = NULL; 142 STAILQ_INSERT_TAIL(&q->stfree, &q->bulkxfer[i], link); 143 } 144 145 q->flag &= ~FWXFERQ_MODEMASK; 146 q->flag |= FWXFERQ_STREAM; 147 q->flag |= FWXFERQ_EXTBUF; 148 149 return (0); 150 } 151 152 static int 153 fwdev_freebuf(struct fw_xferq *q) 154 { 155 if (q->flag & FWXFERQ_EXTBUF) { 156 if (q->buf != NULL) 157 fwdma_free_multiseg(q->buf); 158 q->buf = NULL; 159 kfree(q->bulkxfer, M_FW); 160 q->bulkxfer = NULL; 161 q->flag &= ~FWXFERQ_EXTBUF; 162 q->psize = 0; 163 q->maxq = FWMAXQUEUE; 164 } 165 return (0); 166 } 167 168 169 static int 170 fw_open (struct dev_open_args *ap) 171 { 172 cdev_t dev = ap->a_head.a_dev; 173 int err = 0; 174 175 if (DEV_FWMEM(dev)) 176 return fwmem_open(ap); 177 178 if (dev->si_drv1 != NULL) 179 return (EBUSY); 180 181 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000 182 if ((dev->si_flags & SI_NAMED) == 0) { 183 int unit = DEV2UNIT(dev); 184 int sub = DEV2SUB(dev); 185 186 make_dev(&firewire_ops, minor(dev), 187 UID_ROOT, GID_OPERATOR, 0660, 188 "fw%d.%d", unit, sub); 189 } 190 #endif 191 192 dev->si_drv1 = kmalloc(sizeof(struct fw_drv1), M_FW, M_WAITOK | M_ZERO); 193 194 return err; 195 } 196 197 static int 198 fw_close (struct dev_close_args *ap) 199 { 200 cdev_t dev = ap->a_head.a_dev; 201 struct firewire_softc *sc; 202 struct firewire_comm *fc; 203 struct fw_drv1 *d; 204 int unit = DEV2UNIT(dev); 205 struct fw_xfer *xfer; 206 struct fw_bind *fwb; 207 int err = 0; 208 209 if (DEV_FWMEM(dev)) 210 return fwmem_close(ap); 211 212 sc = devclass_get_softc(firewire_devclass, unit); 213 fc = sc->fc; 214 d = (struct fw_drv1 *)dev->si_drv1; 215 216 if (d->ir != NULL) { 217 struct fw_xferq *ir = d->ir; 218 219 if ((ir->flag & FWXFERQ_OPEN) == 0) 220 return (EINVAL); 221 if (ir->flag & FWXFERQ_RUNNING) { 222 ir->flag &= ~FWXFERQ_RUNNING; 223 fc->irx_disable(fc, ir->dmach); 224 } 225 /* free extbuf */ 226 fwdev_freebuf(ir); 227 /* drain receiving buffer */ 228 for (xfer = STAILQ_FIRST(&ir->q); 229 xfer != NULL; xfer = STAILQ_FIRST(&ir->q)) { 230 ir->queued --; 231 STAILQ_REMOVE_HEAD(&ir->q, link); 232 233 xfer->resp = 0; 234 fw_xfer_done(xfer); 235 } 236 /* remove binding */ 237 for (fwb = STAILQ_FIRST(&ir->binds); fwb != NULL; 238 fwb = STAILQ_FIRST(&ir->binds)) { 239 STAILQ_REMOVE(&fc->binds, fwb, fw_bind, fclist); 240 STAILQ_REMOVE_HEAD(&ir->binds, chlist); 241 kfree(fwb, M_FW); 242 } 243 ir->flag &= ~(FWXFERQ_OPEN | 244 FWXFERQ_MODEMASK | FWXFERQ_CHTAGMASK); 245 d->ir = NULL; 246 247 } 248 if (d->it != NULL) { 249 struct fw_xferq *it = d->it; 250 251 if ((it->flag & FWXFERQ_OPEN) == 0) 252 return (EINVAL); 253 if (it->flag & FWXFERQ_RUNNING) { 254 it->flag &= ~FWXFERQ_RUNNING; 255 fc->itx_disable(fc, it->dmach); 256 } 257 /* free extbuf */ 258 fwdev_freebuf(it); 259 it->flag &= ~(FWXFERQ_OPEN | 260 FWXFERQ_MODEMASK | FWXFERQ_CHTAGMASK); 261 d->it = NULL; 262 } 263 kfree(dev->si_drv1, M_FW); 264 dev->si_drv1 = NULL; 265 266 return err; 267 } 268 269 /* 270 * read request. 271 */ 272 static int 273 fw_read (struct dev_read_args *ap) 274 { 275 cdev_t dev = ap->a_head.a_dev; 276 struct uio *uio = ap->a_uio; 277 struct firewire_softc *sc; 278 struct fw_xferq *ir; 279 struct fw_xfer *xfer; 280 int err = 0, slept = 0; 281 int unit = DEV2UNIT(dev); 282 struct fw_pkt *fp; 283 284 if (DEV_FWMEM(dev)) 285 return physread(ap); 286 287 sc = devclass_get_softc(firewire_devclass, unit); 288 289 ir = ((struct fw_drv1 *)dev->si_drv1)->ir; 290 if (ir == NULL || ir->buf == NULL) 291 return (EIO); 292 293 readloop: 294 xfer = STAILQ_FIRST(&ir->q); 295 if (ir->stproc == NULL) { 296 /* iso bulkxfer */ 297 ir->stproc = STAILQ_FIRST(&ir->stvalid); 298 if (ir->stproc != NULL) { 299 crit_enter(); 300 STAILQ_REMOVE_HEAD(&ir->stvalid, link); 301 crit_exit(); 302 ir->queued = 0; 303 } 304 } 305 if (xfer == NULL && ir->stproc == NULL) { 306 /* no data avaliable */ 307 if (slept == 0) { 308 slept = 1; 309 ir->flag |= FWXFERQ_WAKEUP; 310 err = tsleep(ir, FWPRI, "fw_read", hz); 311 ir->flag &= ~FWXFERQ_WAKEUP; 312 if (err == 0) 313 goto readloop; 314 } else if (slept == 1) 315 err = EIO; 316 return err; 317 } else if(xfer != NULL) { 318 #if 0 /* XXX broken */ 319 /* per packet mode or FWACT_CH bind?*/ 320 crit_enter(); 321 ir->queued --; 322 STAILQ_REMOVE_HEAD(&ir->q, link); 323 crit_exit(); 324 fp = &xfer->recv.hdr; 325 if (sc->fc->irx_post != NULL) 326 sc->fc->irx_post(sc->fc, fp->mode.ld); 327 err = uiomove((void *)fp, 1 /* XXX header size */, uio); 328 /* XXX copy payload too */ 329 /* XXX we should recycle this xfer */ 330 #endif 331 fw_xfer_free( xfer); 332 } else if(ir->stproc != NULL) { 333 /* iso bulkxfer */ 334 fp = (struct fw_pkt *)fwdma_v_addr(ir->buf, 335 ir->stproc->poffset + ir->queued); 336 if(sc->fc->irx_post != NULL) 337 sc->fc->irx_post(sc->fc, fp->mode.ld); 338 if(fp->mode.stream.len == 0){ 339 err = EIO; 340 return err; 341 } 342 err = uiomove((caddr_t)fp, 343 fp->mode.stream.len + sizeof(u_int32_t), uio); 344 ir->queued ++; 345 if(ir->queued >= ir->bnpacket){ 346 crit_enter(); 347 STAILQ_INSERT_TAIL(&ir->stfree, ir->stproc, link); 348 crit_exit(); 349 sc->fc->irx_enable(sc->fc, ir->dmach); 350 ir->stproc = NULL; 351 } 352 if (uio->uio_resid >= ir->psize) { 353 slept = -1; 354 goto readloop; 355 } 356 } 357 return err; 358 } 359 360 static int 361 fw_write (struct dev_write_args *ap) 362 { 363 cdev_t dev = ap->a_head.a_dev; 364 struct uio *uio = ap->a_uio; 365 int err = 0; 366 struct firewire_softc *sc; 367 int unit = DEV2UNIT(dev); 368 int slept = 0; 369 struct fw_pkt *fp; 370 struct firewire_comm *fc; 371 struct fw_xferq *it; 372 373 if (DEV_FWMEM(dev)) 374 return physwrite(ap); 375 376 sc = devclass_get_softc(firewire_devclass, unit); 377 fc = sc->fc; 378 it = ((struct fw_drv1 *)dev->si_drv1)->it; 379 if (it == NULL || it->buf == NULL) 380 return (EIO); 381 isoloop: 382 if (it->stproc == NULL) { 383 it->stproc = STAILQ_FIRST(&it->stfree); 384 if (it->stproc != NULL) { 385 crit_enter(); 386 STAILQ_REMOVE_HEAD(&it->stfree, link); 387 crit_exit(); 388 it->queued = 0; 389 } else if (slept == 0) { 390 slept = 1; 391 err = sc->fc->itx_enable(sc->fc, it->dmach); 392 if (err) 393 return err; 394 err = tsleep(it, FWPRI, "fw_write", hz); 395 if (err) 396 return err; 397 goto isoloop; 398 } else { 399 err = EIO; 400 return err; 401 } 402 } 403 fp = (struct fw_pkt *)fwdma_v_addr(it->buf, 404 it->stproc->poffset + it->queued); 405 err = uiomove((caddr_t)fp, sizeof(struct fw_isohdr), uio); 406 err = uiomove((caddr_t)fp->mode.stream.payload, 407 fp->mode.stream.len, uio); 408 it->queued ++; 409 if (it->queued >= it->bnpacket) { 410 crit_enter(); 411 STAILQ_INSERT_TAIL(&it->stvalid, it->stproc, link); 412 crit_exit(); 413 it->stproc = NULL; 414 err = sc->fc->itx_enable(sc->fc, it->dmach); 415 } 416 if (uio->uio_resid >= sizeof(struct fw_isohdr)) { 417 slept = 0; 418 goto isoloop; 419 } 420 return err; 421 } 422 /* 423 * ioctl support. 424 */ 425 int 426 fw_ioctl (struct dev_ioctl_args *ap) 427 { 428 cdev_t dev = ap->a_head.a_dev; 429 struct firewire_softc *sc; 430 struct firewire_comm *fc; 431 struct fw_drv1 *d; 432 int unit = DEV2UNIT(dev); 433 int i, len, err = 0; 434 struct fw_device *fwdev; 435 struct fw_bind *fwb; 436 struct fw_xferq *ir, *it; 437 struct fw_xfer *xfer; 438 struct fw_pkt *fp; 439 struct fw_devinfo *devinfo; 440 void *ptr; 441 442 struct fw_devlstreq *fwdevlst = (struct fw_devlstreq *)ap->a_data; 443 struct fw_asyreq *asyreq = (struct fw_asyreq *)ap->a_data; 444 struct fw_isochreq *ichreq = (struct fw_isochreq *)ap->a_data; 445 struct fw_isobufreq *ibufreq = (struct fw_isobufreq *)ap->a_data; 446 struct fw_asybindreq *bindreq = (struct fw_asybindreq *)ap->a_data; 447 struct fw_crom_buf *crom_buf = (struct fw_crom_buf *)ap->a_data; 448 449 if (DEV_FWMEM(dev)) 450 return fwmem_ioctl(ap); 451 452 if (!ap->a_data) 453 return(EINVAL); 454 455 sc = devclass_get_softc(firewire_devclass, unit); 456 fc = sc->fc; 457 d = (struct fw_drv1 *)dev->si_drv1; 458 ir = d->ir; 459 it = d->it; 460 461 switch (ap->a_cmd) { 462 case FW_STSTREAM: 463 if (it == NULL) { 464 for (i = 0; i < fc->nisodma; i ++) { 465 it = fc->it[i]; 466 if ((it->flag & FWXFERQ_OPEN) == 0) 467 break; 468 } 469 if (i >= fc->nisodma) { 470 err = EBUSY; 471 break; 472 } 473 err = fwdev_allocbuf(fc, it, &d->bufreq.tx); 474 if (err) 475 break; 476 it->flag |= FWXFERQ_OPEN; 477 } 478 it->flag &= ~0xff; 479 it->flag |= (0x3f & ichreq->ch); 480 it->flag |= ((0x3 & ichreq->tag) << 6); 481 d->it = it; 482 break; 483 case FW_GTSTREAM: 484 if (it != NULL) { 485 ichreq->ch = it->flag & 0x3f; 486 ichreq->tag = it->flag >> 2 & 0x3; 487 } else 488 err = EINVAL; 489 break; 490 case FW_SRSTREAM: 491 if (ir == NULL) { 492 for (i = 0; i < fc->nisodma; i ++) { 493 ir = fc->ir[i]; 494 if ((ir->flag & FWXFERQ_OPEN) == 0) 495 break; 496 } 497 if (i >= fc->nisodma) { 498 err = EBUSY; 499 break; 500 } 501 err = fwdev_allocbuf(fc, ir, &d->bufreq.rx); 502 if (err) 503 break; 504 ir->flag |= FWXFERQ_OPEN; 505 } 506 ir->flag &= ~0xff; 507 ir->flag |= (0x3f & ichreq->ch); 508 ir->flag |= ((0x3 & ichreq->tag) << 6); 509 d->ir = ir; 510 err = fc->irx_enable(fc, ir->dmach); 511 break; 512 case FW_GRSTREAM: 513 if (d->ir != NULL) { 514 ichreq->ch = ir->flag & 0x3f; 515 ichreq->tag = ir->flag >> 2 & 0x3; 516 } else 517 err = EINVAL; 518 break; 519 case FW_SSTBUF: 520 bcopy(ibufreq, &d->bufreq, sizeof(d->bufreq)); 521 break; 522 case FW_GSTBUF: 523 bzero(&ibufreq->rx, sizeof(ibufreq->rx)); 524 if (ir != NULL) { 525 ibufreq->rx.nchunk = ir->bnchunk; 526 ibufreq->rx.npacket = ir->bnpacket; 527 ibufreq->rx.psize = ir->psize; 528 } 529 bzero(&ibufreq->tx, sizeof(ibufreq->tx)); 530 if (it != NULL) { 531 ibufreq->tx.nchunk = it->bnchunk; 532 ibufreq->tx.npacket = it->bnpacket; 533 ibufreq->tx.psize = it->psize; 534 } 535 break; 536 case FW_ASYREQ: 537 { 538 struct tcode_info *tinfo; 539 int pay_len = 0; 540 541 fp = &asyreq->pkt; 542 tinfo = &sc->fc->tcode[fp->mode.hdr.tcode]; 543 544 if ((tinfo->flag & FWTI_BLOCK_ASY) != 0) 545 pay_len = MAX(0, asyreq->req.len - tinfo->hdr_len); 546 547 xfer = fw_xfer_alloc_buf(M_FWXFER, pay_len, PAGE_SIZE/*XXX*/); 548 if (xfer == NULL) 549 return (ENOMEM); 550 551 switch (asyreq->req.type) { 552 case FWASREQNODE: 553 break; 554 case FWASREQEUI: 555 fwdev = fw_noderesolve_eui64(sc->fc, 556 &asyreq->req.dst.eui); 557 if (fwdev == NULL) { 558 device_printf(sc->fc->bdev, 559 "cannot find node\n"); 560 err = EINVAL; 561 goto out; 562 } 563 fp->mode.hdr.dst = FWLOCALBUS | fwdev->dst; 564 break; 565 case FWASRESTL: 566 /* XXX what's this? */ 567 break; 568 case FWASREQSTREAM: 569 /* nothing to do */ 570 break; 571 } 572 573 bcopy(fp, (void *)&xfer->send.hdr, tinfo->hdr_len); 574 if (pay_len > 0) 575 bcopy((char *)fp + tinfo->hdr_len, 576 (void *)&xfer->send.payload, pay_len); 577 xfer->send.spd = asyreq->req.sped; 578 xfer->act.hand = fw_asy_callback; 579 580 if ((err = fw_asyreq(sc->fc, -1, xfer)) != 0) 581 goto out; 582 if ((err = tsleep(xfer, FWPRI, "asyreq", hz)) != 0) 583 goto out; 584 if (xfer->resp != 0) { 585 err = EIO; 586 goto out; 587 } 588 if ((tinfo->flag & FWTI_TLABEL) == 0) 589 goto out; 590 591 /* copy response */ 592 tinfo = &sc->fc->tcode[xfer->recv.hdr.mode.hdr.tcode]; 593 if (asyreq->req.len >= xfer->recv.pay_len + tinfo->hdr_len) 594 asyreq->req.len = xfer->recv.pay_len; 595 else 596 err = EINVAL; 597 bcopy(&xfer->recv.hdr, fp, tinfo->hdr_len); 598 bcopy(xfer->recv.payload, (char *)fp + tinfo->hdr_len, 599 MAX(0, asyreq->req.len - tinfo->hdr_len)); 600 out: 601 fw_xfer_free_buf(xfer); 602 break; 603 } 604 case FW_IBUSRST: 605 sc->fc->ibr(sc->fc); 606 break; 607 case FW_CBINDADDR: 608 fwb = fw_bindlookup(sc->fc, 609 bindreq->start.hi, bindreq->start.lo); 610 if(fwb == NULL){ 611 err = EINVAL; 612 break; 613 } 614 STAILQ_REMOVE(&sc->fc->binds, fwb, fw_bind, fclist); 615 STAILQ_REMOVE(&ir->binds, fwb, fw_bind, chlist); 616 kfree(fwb, M_FW); 617 break; 618 case FW_SBINDADDR: 619 if(bindreq->len <= 0 ){ 620 err = EINVAL; 621 break; 622 } 623 if(bindreq->start.hi > 0xffff ){ 624 err = EINVAL; 625 break; 626 } 627 fwb = kmalloc(sizeof (struct fw_bind), M_FW, M_WAITOK); 628 fwb->start = ((u_int64_t)bindreq->start.hi << 32) | 629 bindreq->start.lo; 630 fwb->end = fwb->start + bindreq->len; 631 /* XXX */ 632 fwb->sub = ir->dmach; 633 fwb->act_type = FWACT_CH; 634 635 /* XXX alloc buf */ 636 xfer = fw_xfer_alloc(M_FWXFER); 637 if(xfer == NULL){ 638 kfree(fwb, M_FW); 639 return (ENOMEM); 640 } 641 xfer->fc = sc->fc; 642 643 crit_enter(); 644 /* XXX broken. need multiple xfer */ 645 STAILQ_INIT(&fwb->xferlist); 646 STAILQ_INSERT_TAIL(&fwb->xferlist, xfer, link); 647 crit_exit(); 648 err = fw_bindadd(sc->fc, fwb); 649 break; 650 case FW_GDEVLST: 651 i = len = 1; 652 /* myself */ 653 devinfo = &fwdevlst->dev[0]; 654 devinfo->dst = sc->fc->nodeid; 655 devinfo->status = 0; /* XXX */ 656 devinfo->eui.hi = sc->fc->eui.hi; 657 devinfo->eui.lo = sc->fc->eui.lo; 658 STAILQ_FOREACH(fwdev, &sc->fc->devices, link) { 659 if(len < FW_MAX_DEVLST){ 660 devinfo = &fwdevlst->dev[len++]; 661 devinfo->dst = fwdev->dst; 662 devinfo->status = 663 (fwdev->status == FWDEVINVAL)?0:1; 664 devinfo->eui.hi = fwdev->eui.hi; 665 devinfo->eui.lo = fwdev->eui.lo; 666 } 667 i++; 668 } 669 fwdevlst->n = i; 670 fwdevlst->info_len = len; 671 break; 672 case FW_GTPMAP: 673 bcopy(sc->fc->topology_map, ap->a_data, 674 (sc->fc->topology_map->crc_len + 1) * 4); 675 break; 676 case FW_GCROM: 677 STAILQ_FOREACH(fwdev, &sc->fc->devices, link) 678 if (FW_EUI64_EQUAL(fwdev->eui, crom_buf->eui)) 679 break; 680 if (fwdev == NULL) { 681 if (!FW_EUI64_EQUAL(sc->fc->eui, crom_buf->eui)) { 682 err = FWNODE_INVAL; 683 break; 684 } 685 /* myself */ 686 ptr = kmalloc(CROMSIZE, M_FW, M_WAITOK); 687 len = CROMSIZE; 688 for (i = 0; i < CROMSIZE/4; i++) 689 ((u_int32_t *)ptr)[i] 690 = ntohl(sc->fc->config_rom[i]); 691 } else { 692 /* found */ 693 ptr = (void *)&fwdev->csrrom[0]; 694 if (fwdev->rommax < CSRROMOFF) 695 len = 0; 696 else 697 len = fwdev->rommax - CSRROMOFF + 4; 698 } 699 if (crom_buf->len < len && crom_buf->len >= 0) 700 len = crom_buf->len; 701 else 702 crom_buf->len = len; 703 err = copyout(ptr, crom_buf->ptr, len); 704 if (fwdev == NULL) 705 /* myself */ 706 kfree(ptr, M_FW); 707 break; 708 default: 709 sc->fc->ioctl(ap); 710 break; 711 } 712 return err; 713 } 714 int 715 fw_poll(struct dev_poll_args *ap) 716 { 717 cdev_t dev = ap->a_head.a_dev; 718 struct firewire_softc *sc; 719 struct fw_xferq *ir; 720 int revents; 721 int tmp; 722 int unit = DEV2UNIT(dev); 723 724 if (DEV_FWMEM(dev)) 725 return fwmem_poll(ap); 726 727 sc = devclass_get_softc(firewire_devclass, unit); 728 ir = ((struct fw_drv1 *)dev->si_drv1)->ir; 729 revents = 0; 730 tmp = POLLIN | POLLRDNORM; 731 if (ap->a_events & tmp) { 732 if (STAILQ_FIRST(&ir->q) != NULL) 733 revents |= tmp; 734 else 735 selrecord(curthread, &ir->rsel); 736 } 737 tmp = POLLOUT | POLLWRNORM; 738 if (ap->a_events & tmp) { 739 /* XXX should be fixed */ 740 revents |= tmp; 741 } 742 ap->a_events = revents; 743 return(0); 744 } 745 746 static int 747 fw_mmap (struct dev_mmap_args *ap) 748 { 749 cdev_t dev = ap->a_head.a_dev; 750 struct firewire_softc *sc; 751 int unit = DEV2UNIT(dev); 752 753 if (DEV_FWMEM(dev)) 754 return fwmem_mmap(ap); 755 sc = devclass_get_softc(firewire_devclass, unit); 756 757 return EINVAL; 758 } 759 760 static int 761 fw_strategy(struct dev_strategy_args *ap) 762 { 763 cdev_t dev = ap->a_head.a_dev; 764 struct bio *bio = ap->a_bio; 765 struct buf *bp = bio->bio_buf; 766 767 if (DEV_FWMEM(dev)) { 768 fwmem_strategy(ap); 769 return(0); 770 } 771 bp->b_error = EOPNOTSUPP; 772 bp->b_flags |= B_ERROR; 773 bp->b_resid = bp->b_bcount; 774 biodone(bio); 775 return(0); 776 } 777 778 int 779 fwdev_makedev(struct firewire_softc *sc) 780 { 781 int unit; 782 783 unit = device_get_unit(sc->fc->bdev); 784 dev_ops_add(&firewire_ops, FW_UNITMASK, FW_UNIT(unit)); 785 return(0); 786 } 787 788 int 789 fwdev_destroydev(struct firewire_softc *sc) 790 { 791 int unit; 792 793 unit = device_get_unit(sc->fc->bdev); 794 dev_ops_remove(&firewire_ops, FW_UNITMASK, FW_UNIT(unit)); 795 return(0); 796 } 797 798 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000 799 #define NDEVTYPE 2 800 void 801 fwdev_clone(void *arg, char *name, int namelen, cdev_t *dev) 802 { 803 struct firewire_softc *sc; 804 char *devnames[NDEVTYPE] = {"fw", "fwmem"}; 805 char *subp = NULL; 806 int devflag[NDEVTYPE] = {0, FWMEM_FLAG}; 807 int i, unit = 0, sub = 0; 808 809 if (*dev != NOCDEV) 810 return; 811 812 for (i = 0; i < NDEVTYPE; i++) 813 if (dev_stdclone(name, &subp, devnames[i], &unit) == 2) 814 goto found; 815 /* not match */ 816 return; 817 found: 818 819 if (subp == NULL || *subp++ != '.') 820 return; 821 822 /* /dev/fwU.S */ 823 while (isdigit(*subp)) { 824 sub *= 10; 825 sub += *subp++ - '0'; 826 } 827 if (*subp != '\0') 828 return; 829 830 sc = devclass_get_softc(firewire_devclass, unit); 831 if (sc == NULL) 832 return; 833 *dev = make_dev(&firewire_ops, MAKEMINOR(devflag[i], unit, sub), 834 UID_ROOT, GID_OPERATOR, 0660, 835 "%s%d.%d", devnames[i], unit, sub); 836 (*dev)->si_flags |= SI_CHEAPCLONE; 837 dev_depends(sc->dev, *dev); 838 return; 839 } 840 #endif 841