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dma: add DragonFly compat files
[dragonfly.git] / sys / bus / firewire / fwdev.c
blobadaa6346f4128b0a8822f7a212158675d3d14bea
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
DragonFly BSD