1/* $FreeBSD: head/lib/libusb/libusb10.c 195560 2009-07-10 14:15:53Z thompsa $ */
2/*-
3 * Copyright (c) 2009 Sylvestre Gallon. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
--- 60 unchanged lines hidden (view full) ---
70 if (debug != NULL) {
71 ctx->debug = atoi(debug);
72 if (ctx->debug != 0)
73 ctx->debug_fixed = 1;
74 }
75
76 pthread_mutex_init(&ctx->usb_devs_lock, NULL);
77 pthread_mutex_init(&ctx->open_devs_lock, NULL);
78 TAILQ_INIT(&ctx->usb_devs);
79 TAILQ_INIT(&ctx->open_devs);
80
81 pthread_mutex_init(&ctx->flying_transfers_lock, NULL);
82 pthread_mutex_init(&ctx->pollfds_lock, NULL);
83 pthread_mutex_init(&ctx->pollfd_modify_lock, NULL);
84 pthread_mutex_init(&ctx->events_lock, NULL);
85 pthread_mutex_init(&ctx->event_waiters_lock, NULL);
86 pthread_cond_init(&ctx->event_waiters_cond, NULL);
87
88 TAILQ_INIT(&ctx->flying_transfers);
89 TAILQ_INIT(&ctx->pollfds);
90
91 ret = pipe(ctx->ctrl_pipe);
92 if (ret < 0) {
93 usb_remove_pollfd(ctx, ctx->ctrl_pipe[0]);
94 close(ctx->ctrl_pipe[0]);
95 close(ctx->ctrl_pipe[1]);
96 free(ctx);
97 return (LIBUSB_ERROR_OTHER);
--- 20 unchanged lines hidden (view full) ---
118 return (0);
119}
120
121void
122libusb_exit(libusb_context * ctx)
123{
124 GET_CONTEXT(ctx);
125
126 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_exit enter");
127 usb_remove_pollfd(ctx, ctx->ctrl_pipe[0]);
128 close(ctx->ctrl_pipe[0]);
129 close(ctx->ctrl_pipe[1]);
130
131 pthread_mutex_lock(&default_context_lock);
132 if (ctx == usbi_default_context) {
133 usbi_default_context = NULL;
134 }
135 pthread_mutex_unlock(&default_context_lock);
136
137 free(ctx);
138 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_exit leave");
139}
140
141/* Device handling and initialisation. */
142
143ssize_t
144libusb_get_device_list(libusb_context * ctx, libusb_device *** list)
145{
146 struct libusb20_device *pdev;
147 struct LIBUSB20_DEVICE_DESC_DECODED *ddesc;
148 struct libusb_device *dev;
149 struct libusb20_backend *usb_backend;
150 int i;
151
152 GET_CONTEXT(ctx);
153 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_device_list enter");
154
155 usb_backend = libusb20_be_alloc_default();
156 if (usb_backend == NULL)
157 return (-1);
158
159 pdev = NULL;
160 i = 0;
161 while ((pdev = libusb20_be_device_foreach(usb_backend, pdev)))
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173 i = 0;
174 while ((pdev = libusb20_be_device_foreach(usb_backend, NULL))) {
175 /* get device into libUSB v1.0 list */
176 libusb20_be_dequeue_device(usb_backend, pdev);
177
178 ddesc = libusb20_dev_get_device_desc(pdev);
179 dev = malloc(sizeof(*dev));
180 if (dev == NULL) {
181 while (i != 0) {
182 libusb_unref_device((*list)[i - 1]);
183 i--;
184 }
185 free(*list);
186 libusb20_be_free(usb_backend);
187 return (LIBUSB_ERROR_NO_MEM);
188 }
189 memset(dev, 0, sizeof(*dev));
190
191 pthread_mutex_init(&dev->lock, NULL);
192 dev->ctx = ctx;
193 dev->bus_number = pdev->bus_number;
194 dev->device_address = pdev->device_address;
195 dev->num_configurations = ddesc->bNumConfigurations;
196
197 /* link together the two structures */
198 dev->os_priv = pdev;
199
200 pthread_mutex_lock(&ctx->usb_devs_lock);
201 TAILQ_INSERT_HEAD(&ctx->usb_devs, dev, list);
202 pthread_mutex_unlock(&ctx->usb_devs_lock);
203
204 (*list)[i] = libusb_ref_device(dev);
205 i++;
206 }
207 (*list)[i] = NULL;
208
209 libusb20_be_free(usb_backend);
210 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_device_list leave");
211 return (i);
212}
213
214/*
215 * In this function we cant free all the device contained into list because
216 * open_with_pid_vid use some node of list after the free_device_list.
217 */
218void
219libusb_free_device_list(libusb_device **list, int unref_devices)
220{
221 int i;
222 libusb_context *ctx;
223
224 ctx = NULL;
225 GET_CONTEXT(ctx);
226 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_free_device_list enter");
227
228 if (list == NULL)
229 return ;
230
231 if (unref_devices) {
232 for (i = 0; list[i] != NULL; i++)
233 libusb_unref_device(list[i]);
234 }
235 free(list);
236 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_free_device_list leave");
237}
238
239uint8_t
240libusb_get_bus_number(libusb_device * dev)
241{
242 libusb_context *ctx;
243
244 ctx = NULL;
245 GET_CONTEXT(ctx);
246 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_bus_number enter");
247
248 if (dev == NULL)
249 return (LIBUSB_ERROR_NO_DEVICE);
250 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_bus_number leave");
251 return (dev->bus_number);
252}
253
254uint8_t
255libusb_get_device_address(libusb_device * dev)
256{
257 libusb_context *ctx;
258
259 ctx = NULL;
260 GET_CONTEXT(ctx);
261 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_device_address enter");
262
263 if (dev == NULL)
264 return (LIBUSB_ERROR_NO_DEVICE);
265 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_device_address leave");
266 return (dev->device_address);
267}
268
269int
270libusb_get_max_packet_size(libusb_device *dev, unsigned char endpoint)
271{
272 struct libusb_config_descriptor *pdconf;
273 struct libusb_interface *pinf;
274 struct libusb_interface_descriptor *pdinf;
275 struct libusb_endpoint_descriptor *pdend;
276 libusb_context *ctx;
277 int i, j, k, ret;
278
279 ctx = NULL;
280 GET_CONTEXT(ctx);
281 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_max_packet_size enter");
282
283 if (dev == NULL)
284 return (LIBUSB_ERROR_NO_DEVICE);
285
286 if (libusb_get_active_config_descriptor(dev, &pdconf) < 0)
287 return (LIBUSB_ERROR_OTHER);
288
289 ret = LIBUSB_ERROR_NOT_FOUND;
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298 goto out;
299 }
300 }
301 }
302 }
303
304out:
305 libusb_free_config_descriptor(pdconf);
306 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_max_packet_size leave");
307 return (ret);
308}
309
310libusb_device *
311libusb_ref_device(libusb_device * dev)
312{
313 libusb_context *ctx;
314
315 ctx = NULL;
316 GET_CONTEXT(ctx);
317 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_ref_device enter");
318
319 if (dev == NULL)
320 return (NULL);
321
322 pthread_mutex_lock(&dev->lock);
323 dev->refcnt++;
324 pthread_mutex_unlock(&dev->lock);
325
326 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_ref_device leave");
327 return (dev);
328}
329
330void
331libusb_unref_device(libusb_device * dev)
332{
333 libusb_context *ctx;
334
335 ctx = NULL;
336 GET_CONTEXT(ctx);
337 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_unref_device enter");
338
339 if (dev == NULL)
340 return;
341
342 pthread_mutex_lock(&dev->lock);
343 dev->refcnt--;
344 pthread_mutex_unlock(&dev->lock);
345
346 if (dev->refcnt == 0) {
347 pthread_mutex_lock(&dev->ctx->usb_devs_lock);
348 TAILQ_REMOVE(&ctx->usb_devs, dev, list);
349 pthread_mutex_unlock(&dev->ctx->usb_devs_lock);
350
351 libusb20_dev_free(dev->os_priv);
352 free(dev);
353 }
354 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_unref_device leave");
355}
356
357int
358libusb_open(libusb_device * dev, libusb_device_handle **devh)
359{
360 libusb_context *ctx = dev->ctx;
361 struct libusb20_device *pdev = dev->os_priv;
362 libusb_device_handle *hdl;
363 unsigned char dummy;
364 int err;
365
366 GET_CONTEXT(ctx);
367 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_open enter");
368
369 dummy = 1;
370 if (devh == NULL)
371 return (LIBUSB_ERROR_INVALID_PARAM);
372
373 hdl = malloc(sizeof(*hdl));
374 if (hdl == NULL)
375 return (LIBUSB_ERROR_NO_MEM);
376
377 err = libusb20_dev_open(pdev, 16 * 4 /* number of endpoints */ );
378 if (err) {
379 free(hdl);
380 return (LIBUSB_ERROR_NO_MEM);
381 }
382 memset(hdl, 0, sizeof(*hdl));
383 pthread_mutex_init(&hdl->lock, NULL);
384
385 TAILQ_INIT(&hdl->ep_list);
386 hdl->dev = libusb_ref_device(dev);
387 hdl->claimed_interfaces = 0;
388 hdl->os_priv = dev->os_priv;
389 err = usb_add_pollfd(ctx, libusb20_dev_get_fd(pdev), POLLIN |
390 POLLOUT | POLLRDNORM | POLLWRNORM);
391 if (err < 0) {
392 libusb_unref_device(dev);
393 free(hdl);
394 return (err);
395 }
396
397 pthread_mutex_lock(&ctx->open_devs_lock);
398 TAILQ_INSERT_HEAD(&ctx->open_devs, hdl, list);
399 pthread_mutex_unlock(&ctx->open_devs_lock);
400
401 *devh = hdl;
402
403 pthread_mutex_lock(&ctx->pollfd_modify_lock);
404 ctx->pollfd_modify++;
405 pthread_mutex_unlock(&ctx->pollfd_modify_lock);
406
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414
415 libusb_lock_events(ctx);
416 read(ctx->ctrl_pipe[0], &dummy, sizeof(dummy));
417 pthread_mutex_lock(&ctx->pollfd_modify_lock);
418 ctx->pollfd_modify--;
419 pthread_mutex_unlock(&ctx->pollfd_modify_lock);
420 libusb_unlock_events(ctx);
421
422 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_open leave");
423 return (0);
424}
425
426libusb_device_handle *
427libusb_open_device_with_vid_pid(libusb_context * ctx, uint16_t vendor_id,
428 uint16_t product_id)
429{
430 struct libusb_device **devs;
431 struct libusb_device_handle *devh;
432 struct libusb20_device *pdev;
433 struct LIBUSB20_DEVICE_DESC_DECODED *pdesc;
434 int i, j;
435
436 GET_CONTEXT(ctx);
437 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_open_device_width_vid_pid enter");
438
439 devh = NULL;
440
441 if ((i = libusb_get_device_list(ctx, &devs)) < 0)
442 return (NULL);
443
444 for (j = 0; j < i; j++) {
445 pdev = (struct libusb20_device *)devs[j]->os_priv;
446 pdesc = libusb20_dev_get_device_desc(pdev);
447 if (pdesc->idVendor == vendor_id &&
448 pdesc->idProduct == product_id) {
449 if (libusb_open(devs[j], &devh) < 0)
450 devh = NULL;
451 break ;
452 }
453 }
454
455 libusb_free_device_list(devs, 1);
456 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_open_device_width_vid_pid leave");
457 return (devh);
458}
459
460void
461libusb_close(libusb_device_handle * devh)
462{
463 libusb_context *ctx;
464 struct libusb20_device *pdev;
465 struct usb_ep_tr *eptr;
466 unsigned char dummy = 1;
467 int err;
468
469 if (devh == NULL)
470 return ;
471
472 ctx = devh->dev->ctx;
473 pdev = devh->os_priv;
474
475 GET_CONTEXT(ctx);
476 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_close enter");
477
478 pthread_mutex_lock(&ctx->pollfd_modify_lock);
479 ctx->pollfd_modify++;
480 pthread_mutex_unlock(&ctx->pollfd_modify_lock);
481
482 err = write(ctx->ctrl_pipe[1], &dummy, sizeof(dummy));
483
484 if (err <= 0) {
485 pthread_mutex_lock(&ctx->open_devs_lock);
486 TAILQ_REMOVE(&ctx->open_devs, devh, list);
487 pthread_mutex_unlock(&ctx->open_devs_lock);
488
489 usb_remove_pollfd(ctx, libusb20_dev_get_fd(pdev));
490 libusb20_dev_close(pdev);
491 libusb_unref_device(devh->dev);
492 TAILQ_FOREACH(eptr, &devh->ep_list, list) {
493 TAILQ_REMOVE(&devh->ep_list, eptr, list);
494 libusb20_tr_close(((struct libusb20_transfer **)
495 eptr->os_priv)[0]);
496 if (eptr->flags)
497 libusb20_tr_close(((struct libusb20_transfer **)
498 eptr->os_priv)[1]);
499 free((struct libusb20_transfer **)eptr->os_priv);
500 }
501 free(devh);
502
503 pthread_mutex_lock(&ctx->pollfd_modify_lock);
504 ctx->pollfd_modify--;
505 pthread_mutex_unlock(&ctx->pollfd_modify_lock);
506 return ;
507 }
508 libusb_lock_events(ctx);
509
510 read(ctx->ctrl_pipe[0], &dummy, sizeof(dummy));
511 pthread_mutex_lock(&ctx->open_devs_lock);
512 TAILQ_REMOVE(&ctx->open_devs, devh, list);
513 pthread_mutex_unlock(&ctx->open_devs_lock);
514
515 usb_remove_pollfd(ctx, libusb20_dev_get_fd(pdev));
516 libusb20_dev_close(pdev);
517 libusb_unref_device(devh->dev);
518 TAILQ_FOREACH(eptr, &devh->ep_list, list) {
519 TAILQ_REMOVE(&devh->ep_list, eptr, list);
520 libusb20_tr_close(((struct libusb20_transfer **)
521 eptr->os_priv)[0]);
522 if (eptr->flags)
523 libusb20_tr_close(((struct libusb20_transfer **)
524 eptr->os_priv)[1]);
525 free((struct libusb20_transfer **)eptr->os_priv);
526 }
527 free(devh);
528
529 pthread_mutex_lock(&ctx->pollfd_modify_lock);
530 ctx->pollfd_modify--;
531 pthread_mutex_unlock(&ctx->pollfd_modify_lock);
532
533 libusb_unlock_events(ctx);
534 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_close leave");
535}
536
537libusb_device *
538libusb_get_device(libusb_device_handle * devh)
539{
540 libusb_context *ctx;
541
542 ctx = NULL;
543 GET_CONTEXT(ctx);
544 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_device enter");
545
546 if (devh == NULL)
547 return (NULL);
548
549 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_device leave");
550 return (devh->dev);
551}
552
553int
554libusb_get_configuration(libusb_device_handle * devh, int *config)
555{
556 libusb_context *ctx;
557
558 ctx = NULL;
559 GET_CONTEXT(ctx);
560 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_configuration enter");
561
562 if (devh == NULL || config == NULL)
563 return (LIBUSB_ERROR_INVALID_PARAM);
564
565 *config = libusb20_dev_get_config_index((struct libusb20_device *)
566 devh->dev->os_priv);
567
568 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_configuration leave");
569 return (0);
570}
571
572int
573libusb_set_configuration(libusb_device_handle * devh, int configuration)
574{
575 struct libusb20_device *pdev;
576 libusb_context *ctx;
577
578 ctx = NULL;
579 GET_CONTEXT(ctx);
580 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_set_configuration enter");
581
582 if (devh == NULL)
583 return (LIBUSB_ERROR_INVALID_PARAM);
584
585 pdev = (struct libusb20_device *)devh->dev->os_priv;
586
587 libusb20_dev_set_config_index(pdev, configuration);
588 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_set_configuration leave");
589 return (0);
590}
591
592int
593libusb_claim_interface(libusb_device_handle * dev, int interface_number)
594{
595 libusb_context *ctx;
596 int ret = 0;
597
598 ctx = NULL;
599 GET_CONTEXT(ctx);
600 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_claim_interface enter");
601
602 if (dev == NULL)
603 return (LIBUSB_ERROR_INVALID_PARAM);
604
605 if (interface_number >= sizeof(dev->claimed_interfaces) * 8)
606 return (LIBUSB_ERROR_INVALID_PARAM);
607
608 pthread_mutex_lock(&(dev->lock));
609 if (dev->claimed_interfaces & (1 << interface_number))
610 ret = LIBUSB_ERROR_BUSY;
611
612 if (!ret)
613 dev->claimed_interfaces |= (1 << interface_number);
614 pthread_mutex_unlock(&(dev->lock));
615
616 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_claim_interface leave");
617 return (ret);
618}
619
620int
621libusb_release_interface(libusb_device_handle * dev, int interface_number)
622{
623 libusb_context *ctx;
624 int ret;
625
626 ctx = NULL;
627 GET_CONTEXT(ctx);
628 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_release_interface enter");
629
630 ret = 0;
631 if (dev == NULL)
632 return (LIBUSB_ERROR_INVALID_PARAM);
633
634 if (interface_number >= sizeof(dev->claimed_interfaces) * 8)
635 return (LIBUSB_ERROR_INVALID_PARAM);
636
637 pthread_mutex_lock(&(dev->lock));
638 if (!(dev->claimed_interfaces & (1 << interface_number)))
639 ret = LIBUSB_ERROR_NOT_FOUND;
640
641 if (!ret)
642 dev->claimed_interfaces &= ~(1 << interface_number);
643 pthread_mutex_unlock(&(dev->lock));
644
645 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_release_interface leave");
646 return (ret);
647}
648
649int
650libusb_set_interface_alt_setting(libusb_device_handle * dev,
651 int interface_number, int alternate_setting)
652{
653 libusb_context *ctx;
654
655 ctx = NULL;
656 GET_CONTEXT(ctx);
657 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_set_interface_alt_setting enter");
658
659 if (dev == NULL)
660 return (LIBUSB_ERROR_INVALID_PARAM);
661
662 if (interface_number >= sizeof(dev->claimed_interfaces) *8)
663 return (LIBUSB_ERROR_INVALID_PARAM);
664
665 pthread_mutex_lock(&dev->lock);
666 if (!(dev->claimed_interfaces & (1 << interface_number))) {
667 pthread_mutex_unlock(&dev->lock);
668 return (LIBUSB_ERROR_NOT_FOUND);
669 }
670 pthread_mutex_unlock(&dev->lock);
671
672 if (libusb20_dev_set_alt_index(dev->os_priv, interface_number,
673 alternate_setting) != 0)
674 return (LIBUSB_ERROR_OTHER);
675
676 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_set_interface_alt_setting leave");
677 return (0);
678}
679
680int
681libusb_clear_halt(libusb_device_handle * devh, unsigned char endpoint)
682{
683 struct libusb20_transfer *xfer;
684 struct libusb20_device *pdev;
685 libusb_context *ctx;
686 int ret;
687
688 ctx = NULL;
689 GET_CONTEXT(ctx);
690 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_clear_halt enter");
691
692 pdev = devh->os_priv;
693 xfer = libusb20_tr_get_pointer(pdev,
694 ((endpoint / 0x40) | (endpoint * 4)) % (16 * 4));
695 if (xfer == NULL)
696 return (LIBUSB_ERROR_NO_MEM);
697
698 pthread_mutex_lock(&libusb20_lock);
699 ret = libusb20_tr_open(xfer, 0, 0, endpoint);
700 if (ret != 0 && ret != LIBUSB20_ERROR_BUSY) {
701 pthread_mutex_unlock(&libusb20_lock);
702 return (LIBUSB_ERROR_OTHER);
703 }
704
705 libusb20_tr_clear_stall_sync(xfer);
706 if (ret == 0) /* check if we have open the device */
707 libusb20_tr_close(xfer);
708 pthread_mutex_unlock(&libusb20_lock);
709
710 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_clear_halt leave");
711 return (0);
712}
713
714int
715libusb_reset_device(libusb_device_handle * dev)
716{
717 libusb_context *ctx;
718
719 ctx = NULL;
720 GET_CONTEXT(ctx);
721 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_reset_device enter");
722
723 if (dev == NULL)
724 return (LIBUSB20_ERROR_INVALID_PARAM);
725
726 libusb20_dev_reset(dev->os_priv);
727 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_reset_device leave");
728 return (0);
729}
730
731int
732libusb_kernel_driver_active(libusb_device_handle * devh, int interface)
733{
734 libusb_context *ctx;
735
736 ctx = NULL;
737 GET_CONTEXT(ctx);
738 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_kernel_driver_active enter");
739
740 if (devh == NULL)
741 return (LIBUSB_ERROR_INVALID_PARAM);
742
743 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_kernel_driver_active leave");
744 return (libusb20_dev_kernel_driver_active(devh->os_priv, interface));
745}
746
747int
748libusb_detach_kernel_driver(libusb_device_handle * devh, int interface)
749{
750 struct libusb20_device *pdev;
751 libusb_context *ctx;
752
753 ctx = NULL;
754 GET_CONTEXT(ctx);
755 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_detach_kernel_driver enter");
756
757 if (devh == NULL)
758 return (LIBUSB_ERROR_INVALID_PARAM);
759
760 pdev = (struct libusb20_device *)devh->dev->os_priv;
761 if (libusb20_dev_detach_kernel_driver(pdev, interface) == LIBUSB20_ERROR_OTHER)
762 return (LIBUSB_ERROR_OTHER);
763
764 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_detach_kernel_driver leave");
765 return (0);
766}
767
768/*
769 * stub function.
770 * libusb20 doesn't support this feature.
771 */
772int
773libusb_attach_kernel_driver(libusb_device_handle * devh, int interface)
774{
775 libusb_context *ctx;
776
777 ctx = NULL;
778 GET_CONTEXT(ctx);
779 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_attach_kernel_driver enter");
780
781 if (devh == NULL)
782 return (LIBUSB_ERROR_INVALID_PARAM);
783
784 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_attach_kernel_driver leave");
785 return (0);
786}
787
788/* Asynchronous device I/O */
789
790struct libusb_transfer *
791libusb_alloc_transfer(int iso_packets)
792{
793 struct libusb_transfer *xfer;
794 struct usb_transfer *bxfer;
795 libusb_context *ctx;
796 int len;
797
798 ctx = NULL;
799 GET_CONTEXT(ctx);
800 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_alloc_transfer enter");
801
802 len = sizeof(struct libusb_transfer) +
803 sizeof(struct usb_transfer) +
804 (iso_packets * sizeof(libusb_iso_packet_descriptor));
805
806 bxfer = malloc(len);
807 if (bxfer == NULL)
808 return (NULL);
809
810 memset(bxfer, 0, len);
811 bxfer->num_iso_packets = iso_packets;
812
813 xfer = (struct libusb_transfer *) ((uint8_t *)bxfer +
814 sizeof(struct usb_transfer));
815
816 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_alloc_transfer leave");
817 return (xfer);
818}
819
820void
821libusb_free_transfer(struct libusb_transfer *xfer)
822{
823 struct usb_transfer *bxfer;
824 libusb_context *ctx;
825
826 ctx = NULL;
827 GET_CONTEXT(ctx);
828 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_free_transfer enter");
829
830 if (xfer == NULL)
831 return ;
832
833 bxfer = (struct usb_transfer *) ((uint8_t *)xfer -
834 sizeof(struct usb_transfer));
835
836 free(bxfer);
837 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_free_transfer leave");
838 return;
839}
840
841static int
842libusb_get_maxframe(struct libusb20_device *pdev, libusb_transfer *xfer)
843{
844 int ret;
845 int usb_speed;
846
847 usb_speed = libusb20_dev_get_speed(pdev);
848
849 switch (xfer->type) {
850 case LIBUSB_TRANSFER_TYPE_ISOCHRONOUS:
851 switch (usb_speed) {
852 case LIBUSB20_SPEED_LOW:
853 case LIBUSB20_SPEED_FULL:
854 ret = 60 * 1;
855 break ;
856 default :
857 ret = 60 * 8;
858 break ;
859 }
860 break ;
861 case LIBUSB_TRANSFER_TYPE_CONTROL:
862 ret = 2;
863 break ;
864 default:
865 ret = 1;
866 break ;
867 }
868
869 return ret;
870}
871
872static int
873libusb_get_buffsize(struct libusb20_device *pdev, libusb_transfer *xfer)
874{
875 int ret;
876 int usb_speed;
877
878 usb_speed = libusb20_dev_get_speed(pdev);
879
880 switch (xfer->type) {
881 case LIBUSB_TRANSFER_TYPE_ISOCHRONOUS:
882 ret = 0;
883 break ;
884 case LIBUSB_TRANSFER_TYPE_CONTROL:
885 switch (usb_speed) {
886 case LIBUSB20_SPEED_LOW:
887 ret = 8;
888 break ;
889 case LIBUSB20_SPEED_FULL:
890 ret = 64;
891 break ;
892 default:
893 ret = 64;
894 break ;
895 }
896 ret += 8;
897 break ;
898 default :
899 switch (usb_speed) {
900 case LIBUSB20_SPEED_LOW:
901 ret = 256;
902 break ;
903 case LIBUSB20_SPEED_FULL:
904 ret = 4096;
905 break ;
906 default:
907 ret = 16384;
908 break ;
909 }
910 break ;
911 }
912
913 return ret;
914}
915
916static void
917libusb10_proxy(struct libusb20_transfer *xfer)
918{
919 struct usb_transfer *usb_backend;
920 struct libusb20_device *pdev;
921 libusb_transfer *usb_xfer;
922 libusb_context *ctx;
923 uint32_t pos;
924 uint32_t max;
925 uint32_t size;
926 uint8_t status;
927 uint32_t iso_packets;
928 int i;
929
930 status = libusb20_tr_get_status(xfer);
931 usb_xfer = libusb20_tr_get_priv_sc0(xfer);
932 usb_backend = (struct usb_transfer *) ((uint8_t *)usb_xfer -
933 sizeof(struct usb_transfer));
934 pdev = usb_xfer->dev_handle->dev->os_priv;
935 ctx = usb_xfer->dev_handle->dev->ctx;
936 GET_CONTEXT(ctx);
937
938 switch (status) {
939 case LIBUSB20_TRANSFER_COMPLETED:
940 usb_backend->transferred += libusb20_tr_get_actual_length(xfer);
941 DPRINTF(ctx, LIBUSB_DEBUG_TRANSFER, "LIBUSB20 TRANSFER %i bytes",
942 usb_backend->transferred);
943 if (usb_backend->transferred != usb_xfer->length)
944 goto tr_start;
945
946 DPRINTF(ctx, LIBUSB_DEBUG_TRANSFER, "LIBUSB20 TRANSFER COMPLETE");
947 usb_handle_transfer_completion(usb_backend, LIBUSB_TRANSFER_COMPLETED);
948
949 break ;
950 case LIBUSB20_TRANSFER_START:
951tr_start:
952 DPRINTF(ctx, LIBUSB_DEBUG_TRANSFER, "LIBUSB20 START");
953 max = libusb_get_buffsize(pdev, usb_xfer);
954 pos = usb_backend->transferred;
955 size = (usb_xfer->length - pos);
956 size = (size > max) ? max : size;
957 usb_xfer->actual_length = 0;
958 switch (usb_xfer->type) {
959 case LIBUSB_TRANSFER_TYPE_CONTROL:
960 DPRINTF(ctx, LIBUSB_DEBUG_TRANSFER, "TYPE CTR");
961 libusb20_tr_setup_control(xfer, usb_xfer->buffer,
962 (void *)(((uint8_t *) &usb_xfer->buffer[pos]) +
963 sizeof(libusb_control_setup)),
964 usb_xfer->timeout);
965 break ;
966 case LIBUSB_TRANSFER_TYPE_ISOCHRONOUS:
967 DPRINTF(ctx, LIBUSB_DEBUG_TRANSFER, "TYPE ISO");
968 iso_packets = libusb20_tr_get_max_frames(xfer);
969 if (usb_xfer->num_iso_packets > iso_packets)
970 usb_xfer->num_iso_packets = iso_packets;
971 for (i = 0 ; i < usb_xfer->num_iso_packets ; i++) {
972 libusb20_tr_setup_isoc(xfer,
973 &usb_xfer->buffer[pos], size, i);
974 }
975 libusb20_tr_set_total_frames(xfer, i);
976 break ;
977 case LIBUSB_TRANSFER_TYPE_BULK:
978 DPRINTF(ctx, LIBUSB_DEBUG_TRANSFER, "TYPE BULK");
979 libusb20_tr_setup_bulk(xfer, &usb_xfer->buffer[pos],
980 size, usb_xfer->timeout);
981 break ;
982 case LIBUSB_TRANSFER_TYPE_INTERRUPT:
983 DPRINTF(ctx, LIBUSB_DEBUG_TRANSFER, "TYPE INTR");
984 libusb20_tr_setup_intr(xfer, &usb_xfer->buffer[pos],
985 size, usb_xfer->timeout);
986 break ;
987 }
988 libusb20_tr_submit(xfer);
989 DPRINTF(ctx, LIBUSB_DEBUG_TRANSFER, "LIBUSB20 SUBMITED");
990 break ;
991 default:
992 DPRINTF(ctx, LIBUSB_DEBUG_TRANSFER, "TRANSFER DEFAULT 0x%x\n",
993 status);
994 usb_backend->transferred = 0;
995 usb_handle_transfer_completion(usb_backend, LIBUSB_TRANSFER_CANCELLED);
996 break ;
997 }
998
999 switch (status) {
1000 case LIBUSB20_TRANSFER_COMPLETED:
1001 DPRINTF(ctx, LIBUSB_DEBUG_TRANSFER, "STATUS COMPLETED");
1002 usb_xfer->status = LIBUSB_TRANSFER_COMPLETED;
1003 break ;
1004 case LIBUSB20_TRANSFER_OVERFLOW:
1005 DPRINTF(ctx, LIBUSB_DEBUG_TRANSFER, "STATUS TR OVERFLOW");
1006 usb_xfer->status = LIBUSB_TRANSFER_OVERFLOW;
1007 break ;
1008 case LIBUSB20_TRANSFER_NO_DEVICE:
1009 DPRINTF(ctx, LIBUSB_DEBUG_TRANSFER, "STATUS TR NO DEVICE");
1010 usb_xfer->status = LIBUSB_TRANSFER_NO_DEVICE;
1011 break ;
1012 case LIBUSB20_TRANSFER_STALL:
1013 DPRINTF(ctx, LIBUSB_DEBUG_TRANSFER, "STATUS TR STALL");
1014 usb_xfer->status = LIBUSB_TRANSFER_STALL;
1015 break ;
1016 case LIBUSB20_TRANSFER_CANCELLED:
1017 DPRINTF(ctx, LIBUSB_DEBUG_TRANSFER, "STATUS TR CANCELLED");
1018 usb_xfer->status = LIBUSB_TRANSFER_CANCELLED;
1019 break ;
1020 case LIBUSB20_TRANSFER_TIMED_OUT:
1021 DPRINTF(ctx, LIBUSB_DEBUG_TRANSFER, "STATUS TR TIMEOUT");
1022 usb_xfer->status = LIBUSB_TRANSFER_TIMED_OUT;
1023 break ;
1024 case LIBUSB20_TRANSFER_ERROR:
1025 DPRINTF(ctx, LIBUSB_DEBUG_TRANSFER, "ERROR");
1026 usb_xfer->status = LIBUSB_TRANSFER_ERROR;
1027 break ;
1028 }
1029}
1030
1031int
1032libusb_submit_transfer(struct libusb_transfer *xfer)
1033{
1034 struct libusb20_transfer **usb20_xfer;
1035 struct usb_transfer *usb_backend;
1036 struct usb_transfer *usb_node;
1037 struct libusb20_device *pdev;
1038 struct usb_ep_tr *eptr;
1039 struct timespec cur_ts;
1040 struct timeval *cur_tv;
1041 libusb_device_handle *devh;
1042 libusb_context *ctx;
1043 int maxframe;
1044 int buffsize;
1045 int ep_idx;
1046 int ret;
1047
1048 if (xfer == NULL)
1049 return (LIBUSB_ERROR_NO_MEM);
1050
1051 usb20_xfer = malloc(2 * sizeof(struct libusb20_transfer *));
1052 if (usb20_xfer == NULL)
1053 return (LIBUSB_ERROR_NO_MEM);
1054
1055 ctx = xfer->dev_handle->dev->ctx;
1056 pdev = xfer->dev_handle->os_priv;
1057 devh = xfer->dev_handle;
1058
1059 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_submit_transfer enter");
1060
1061 usb_backend = (struct usb_transfer *) ((uint8_t *)xfer -
1062 sizeof(struct usb_transfer));
1063 usb_backend->transferred = 0;
1064 usb_backend->flags = 0;
1065
1066 if (xfer->timeout != 0) {
1067 clock_gettime(CLOCK_MONOTONIC, &cur_ts);
1068 cur_ts.tv_sec += xfer->timeout / 1000;
1069 cur_ts.tv_nsec += (xfer->timeout % 1000) * 1000000;
1070
1071 if (cur_ts.tv_nsec > 1000000000) {
1072 cur_ts.tv_nsec -= 1000000000;
1073 cur_ts.tv_sec++;
1074 }
1075
1076 TIMESPEC_TO_TIMEVAL(&usb_backend->timeout, &cur_ts);
1077 }
1078
1079 /*Add to flying list*/
1080 pthread_mutex_lock(&ctx->flying_transfers_lock);
1081 if (TAILQ_EMPTY(&ctx->flying_transfers)) {
1082 TAILQ_INSERT_HEAD(&ctx->flying_transfers, usb_backend, list);
1083 goto out;
1084 }
1085 if (timerisset(&usb_backend->timeout) == 0) {
1086 TAILQ_INSERT_HEAD(&ctx->flying_transfers, usb_backend, list);
1087 goto out;
1088 }
1089 TAILQ_FOREACH(usb_node, &ctx->flying_transfers, list) {
1090 cur_tv = &usb_node->timeout;
1091 if (timerisset(cur_tv) == 0 ||
1092 (cur_tv->tv_sec > usb_backend->timeout.tv_sec) ||
1093 (cur_tv->tv_sec == usb_backend->timeout.tv_sec &&
1094 cur_tv->tv_usec > usb_backend->timeout.tv_usec)) {
1095 TAILQ_INSERT_TAIL(&ctx->flying_transfers, usb_backend, list);
1096 goto out;
1097 }
1098 }
1099 TAILQ_INSERT_TAIL(&ctx->flying_transfers, usb_backend, list);
1100
1101out:
1102 pthread_mutex_unlock(&ctx->flying_transfers_lock);
1103
1104 ep_idx = (xfer->endpoint / 0x40) | (xfer->endpoint * 4) % (16 * 4);
1105 usb20_xfer[0] = libusb20_tr_get_pointer(pdev, ep_idx);
1106 usb20_xfer[1] = libusb20_tr_get_pointer(pdev, ep_idx + 1);
1107
1108 if (usb20_xfer[0] == NULL)
1109 return (LIBUSB_ERROR_OTHER);
1110
1111 xfer->os_priv = usb20_xfer;
1112
1113 pthread_mutex_lock(&libusb20_lock);
1114
1115 buffsize = libusb_get_buffsize(pdev, xfer);
1116 maxframe = libusb_get_maxframe(pdev, xfer);
1117
1118 ret = 0;
1119 TAILQ_FOREACH(eptr, &devh->ep_list, list) {
1120 if (xfer->endpoint == eptr->addr)
1121 ret++;
1122 }
1123 if (ret == 0) {
1124 eptr = malloc(sizeof(struct usb_ep_tr));
1125 eptr->addr = xfer->endpoint;
1126 eptr->idx = ep_idx;
1127 eptr->os_priv = usb20_xfer;
1128 eptr->flags = (xfer->type == LIBUSB_TRANSFER_TYPE_ISOCHRONOUS)?1:0;
1129 TAILQ_INSERT_HEAD(&devh->ep_list, eptr, list);
1130 ret = libusb20_tr_open(usb20_xfer[0], buffsize,
1131 maxframe, xfer->endpoint);
1132 if (xfer->type == LIBUSB_TRANSFER_TYPE_ISOCHRONOUS)
1133 ret |= libusb20_tr_open(usb20_xfer[1], buffsize,
1134 maxframe, xfer->endpoint);
1135
1136 if (ret != 0) {
1137 pthread_mutex_unlock(&libusb20_lock);
1138 pthread_mutex_lock(&ctx->flying_transfers_lock);
1139 TAILQ_REMOVE(&ctx->flying_transfers, usb_backend, list);
1140 pthread_mutex_unlock(&ctx->flying_transfers_lock);
1141 return (LIBUSB_ERROR_OTHER);
1142 }
1143 }
1144
1145 libusb20_tr_set_priv_sc0(usb20_xfer[0], xfer);
1146 libusb20_tr_set_callback(usb20_xfer[0], libusb10_proxy);
1147 if (xfer->type == LIBUSB_TRANSFER_TYPE_ISOCHRONOUS) {
1148 libusb20_tr_set_priv_sc0(usb20_xfer[1], xfer);
1149 libusb20_tr_set_callback(usb20_xfer[1], libusb10_proxy);
1150 }
1151
1152 DPRINTF(ctx, LIBUSB_DEBUG_TRANSFER, "LIBUSB20_TR_START");
1153 libusb20_tr_start(usb20_xfer[0]);
1154 if (xfer->type == LIBUSB_TRANSFER_TYPE_ISOCHRONOUS)
1155 libusb20_tr_start(usb20_xfer[1]);
1156
1157 pthread_mutex_unlock(&libusb20_lock);
1158
1159 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_submit_transfer leave");
1160 return (0);
1161}
1162
1163int
1164libusb_cancel_transfer(struct libusb_transfer *xfer)
1165{
1166 libusb_context *ctx;
1167
1168 ctx = NULL;
1169 GET_CONTEXT(ctx);
1170 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_cancel_transfer enter");
1171
1172 if (xfer == NULL)
1173 return (LIBUSB_ERROR_NO_MEM);
1174
1175 pthread_mutex_lock(&libusb20_lock);
1176 libusb20_tr_stop(xfer->os_priv);
1177 pthread_mutex_unlock(&libusb20_lock);
1178
1179 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_cancel_transfer leave");
1180 return (0);
1181}
1182
2/*-
3 * Copyright (c) 2009 Sylvestre Gallon. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
--- 60 unchanged lines hidden (view full) ---
70 if (debug != NULL) {
71 ctx->debug = atoi(debug);
72 if (ctx->debug != 0)
73 ctx->debug_fixed = 1;
74 }
75
76 pthread_mutex_init(&ctx->usb_devs_lock, NULL);
77 pthread_mutex_init(&ctx->open_devs_lock, NULL);
78 TAILQ_INIT(&ctx->usb_devs);
79 TAILQ_INIT(&ctx->open_devs);
80
81 pthread_mutex_init(&ctx->flying_transfers_lock, NULL);
82 pthread_mutex_init(&ctx->pollfds_lock, NULL);
83 pthread_mutex_init(&ctx->pollfd_modify_lock, NULL);
84 pthread_mutex_init(&ctx->events_lock, NULL);
85 pthread_mutex_init(&ctx->event_waiters_lock, NULL);
86 pthread_cond_init(&ctx->event_waiters_cond, NULL);
87
88 TAILQ_INIT(&ctx->flying_transfers);
89 TAILQ_INIT(&ctx->pollfds);
90
91 ret = pipe(ctx->ctrl_pipe);
92 if (ret < 0) {
93 usb_remove_pollfd(ctx, ctx->ctrl_pipe[0]);
94 close(ctx->ctrl_pipe[0]);
95 close(ctx->ctrl_pipe[1]);
96 free(ctx);
97 return (LIBUSB_ERROR_OTHER);
--- 20 unchanged lines hidden (view full) ---
118 return (0);
119}
120
121void
122libusb_exit(libusb_context * ctx)
123{
124 GET_CONTEXT(ctx);
125
126 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_exit enter");
127 usb_remove_pollfd(ctx, ctx->ctrl_pipe[0]);
128 close(ctx->ctrl_pipe[0]);
129 close(ctx->ctrl_pipe[1]);
130
131 pthread_mutex_lock(&default_context_lock);
132 if (ctx == usbi_default_context) {
133 usbi_default_context = NULL;
134 }
135 pthread_mutex_unlock(&default_context_lock);
136
137 free(ctx);
138 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_exit leave");
139}
140
141/* Device handling and initialisation. */
142
143ssize_t
144libusb_get_device_list(libusb_context * ctx, libusb_device *** list)
145{
146 struct libusb20_device *pdev;
147 struct LIBUSB20_DEVICE_DESC_DECODED *ddesc;
148 struct libusb_device *dev;
149 struct libusb20_backend *usb_backend;
150 int i;
151
152 GET_CONTEXT(ctx);
153 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_device_list enter");
154
155 usb_backend = libusb20_be_alloc_default();
156 if (usb_backend == NULL)
157 return (-1);
158
159 pdev = NULL;
160 i = 0;
161 while ((pdev = libusb20_be_device_foreach(usb_backend, pdev)))
--- 11 unchanged lines hidden (view full) ---
173 i = 0;
174 while ((pdev = libusb20_be_device_foreach(usb_backend, NULL))) {
175 /* get device into libUSB v1.0 list */
176 libusb20_be_dequeue_device(usb_backend, pdev);
177
178 ddesc = libusb20_dev_get_device_desc(pdev);
179 dev = malloc(sizeof(*dev));
180 if (dev == NULL) {
181 while (i != 0) {
182 libusb_unref_device((*list)[i - 1]);
183 i--;
184 }
185 free(*list);
186 libusb20_be_free(usb_backend);
187 return (LIBUSB_ERROR_NO_MEM);
188 }
189 memset(dev, 0, sizeof(*dev));
190
191 pthread_mutex_init(&dev->lock, NULL);
192 dev->ctx = ctx;
193 dev->bus_number = pdev->bus_number;
194 dev->device_address = pdev->device_address;
195 dev->num_configurations = ddesc->bNumConfigurations;
196
197 /* link together the two structures */
198 dev->os_priv = pdev;
199
200 pthread_mutex_lock(&ctx->usb_devs_lock);
201 TAILQ_INSERT_HEAD(&ctx->usb_devs, dev, list);
202 pthread_mutex_unlock(&ctx->usb_devs_lock);
203
204 (*list)[i] = libusb_ref_device(dev);
205 i++;
206 }
207 (*list)[i] = NULL;
208
209 libusb20_be_free(usb_backend);
210 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_device_list leave");
211 return (i);
212}
213
214/*
215 * In this function we cant free all the device contained into list because
216 * open_with_pid_vid use some node of list after the free_device_list.
217 */
218void
219libusb_free_device_list(libusb_device **list, int unref_devices)
220{
221 int i;
222 libusb_context *ctx;
223
224 ctx = NULL;
225 GET_CONTEXT(ctx);
226 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_free_device_list enter");
227
228 if (list == NULL)
229 return ;
230
231 if (unref_devices) {
232 for (i = 0; list[i] != NULL; i++)
233 libusb_unref_device(list[i]);
234 }
235 free(list);
236 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_free_device_list leave");
237}
238
239uint8_t
240libusb_get_bus_number(libusb_device * dev)
241{
242 libusb_context *ctx;
243
244 ctx = NULL;
245 GET_CONTEXT(ctx);
246 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_bus_number enter");
247
248 if (dev == NULL)
249 return (LIBUSB_ERROR_NO_DEVICE);
250 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_bus_number leave");
251 return (dev->bus_number);
252}
253
254uint8_t
255libusb_get_device_address(libusb_device * dev)
256{
257 libusb_context *ctx;
258
259 ctx = NULL;
260 GET_CONTEXT(ctx);
261 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_device_address enter");
262
263 if (dev == NULL)
264 return (LIBUSB_ERROR_NO_DEVICE);
265 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_device_address leave");
266 return (dev->device_address);
267}
268
269int
270libusb_get_max_packet_size(libusb_device *dev, unsigned char endpoint)
271{
272 struct libusb_config_descriptor *pdconf;
273 struct libusb_interface *pinf;
274 struct libusb_interface_descriptor *pdinf;
275 struct libusb_endpoint_descriptor *pdend;
276 libusb_context *ctx;
277 int i, j, k, ret;
278
279 ctx = NULL;
280 GET_CONTEXT(ctx);
281 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_max_packet_size enter");
282
283 if (dev == NULL)
284 return (LIBUSB_ERROR_NO_DEVICE);
285
286 if (libusb_get_active_config_descriptor(dev, &pdconf) < 0)
287 return (LIBUSB_ERROR_OTHER);
288
289 ret = LIBUSB_ERROR_NOT_FOUND;
--- 8 unchanged lines hidden (view full) ---
298 goto out;
299 }
300 }
301 }
302 }
303
304out:
305 libusb_free_config_descriptor(pdconf);
306 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_max_packet_size leave");
307 return (ret);
308}
309
310libusb_device *
311libusb_ref_device(libusb_device * dev)
312{
313 libusb_context *ctx;
314
315 ctx = NULL;
316 GET_CONTEXT(ctx);
317 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_ref_device enter");
318
319 if (dev == NULL)
320 return (NULL);
321
322 pthread_mutex_lock(&dev->lock);
323 dev->refcnt++;
324 pthread_mutex_unlock(&dev->lock);
325
326 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_ref_device leave");
327 return (dev);
328}
329
330void
331libusb_unref_device(libusb_device * dev)
332{
333 libusb_context *ctx;
334
335 ctx = NULL;
336 GET_CONTEXT(ctx);
337 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_unref_device enter");
338
339 if (dev == NULL)
340 return;
341
342 pthread_mutex_lock(&dev->lock);
343 dev->refcnt--;
344 pthread_mutex_unlock(&dev->lock);
345
346 if (dev->refcnt == 0) {
347 pthread_mutex_lock(&dev->ctx->usb_devs_lock);
348 TAILQ_REMOVE(&ctx->usb_devs, dev, list);
349 pthread_mutex_unlock(&dev->ctx->usb_devs_lock);
350
351 libusb20_dev_free(dev->os_priv);
352 free(dev);
353 }
354 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_unref_device leave");
355}
356
357int
358libusb_open(libusb_device * dev, libusb_device_handle **devh)
359{
360 libusb_context *ctx = dev->ctx;
361 struct libusb20_device *pdev = dev->os_priv;
362 libusb_device_handle *hdl;
363 unsigned char dummy;
364 int err;
365
366 GET_CONTEXT(ctx);
367 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_open enter");
368
369 dummy = 1;
370 if (devh == NULL)
371 return (LIBUSB_ERROR_INVALID_PARAM);
372
373 hdl = malloc(sizeof(*hdl));
374 if (hdl == NULL)
375 return (LIBUSB_ERROR_NO_MEM);
376
377 err = libusb20_dev_open(pdev, 16 * 4 /* number of endpoints */ );
378 if (err) {
379 free(hdl);
380 return (LIBUSB_ERROR_NO_MEM);
381 }
382 memset(hdl, 0, sizeof(*hdl));
383 pthread_mutex_init(&hdl->lock, NULL);
384
385 TAILQ_INIT(&hdl->ep_list);
386 hdl->dev = libusb_ref_device(dev);
387 hdl->claimed_interfaces = 0;
388 hdl->os_priv = dev->os_priv;
389 err = usb_add_pollfd(ctx, libusb20_dev_get_fd(pdev), POLLIN |
390 POLLOUT | POLLRDNORM | POLLWRNORM);
391 if (err < 0) {
392 libusb_unref_device(dev);
393 free(hdl);
394 return (err);
395 }
396
397 pthread_mutex_lock(&ctx->open_devs_lock);
398 TAILQ_INSERT_HEAD(&ctx->open_devs, hdl, list);
399 pthread_mutex_unlock(&ctx->open_devs_lock);
400
401 *devh = hdl;
402
403 pthread_mutex_lock(&ctx->pollfd_modify_lock);
404 ctx->pollfd_modify++;
405 pthread_mutex_unlock(&ctx->pollfd_modify_lock);
406
--- 7 unchanged lines hidden (view full) ---
414
415 libusb_lock_events(ctx);
416 read(ctx->ctrl_pipe[0], &dummy, sizeof(dummy));
417 pthread_mutex_lock(&ctx->pollfd_modify_lock);
418 ctx->pollfd_modify--;
419 pthread_mutex_unlock(&ctx->pollfd_modify_lock);
420 libusb_unlock_events(ctx);
421
422 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_open leave");
423 return (0);
424}
425
426libusb_device_handle *
427libusb_open_device_with_vid_pid(libusb_context * ctx, uint16_t vendor_id,
428 uint16_t product_id)
429{
430 struct libusb_device **devs;
431 struct libusb_device_handle *devh;
432 struct libusb20_device *pdev;
433 struct LIBUSB20_DEVICE_DESC_DECODED *pdesc;
434 int i, j;
435
436 GET_CONTEXT(ctx);
437 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_open_device_width_vid_pid enter");
438
439 devh = NULL;
440
441 if ((i = libusb_get_device_list(ctx, &devs)) < 0)
442 return (NULL);
443
444 for (j = 0; j < i; j++) {
445 pdev = (struct libusb20_device *)devs[j]->os_priv;
446 pdesc = libusb20_dev_get_device_desc(pdev);
447 if (pdesc->idVendor == vendor_id &&
448 pdesc->idProduct == product_id) {
449 if (libusb_open(devs[j], &devh) < 0)
450 devh = NULL;
451 break ;
452 }
453 }
454
455 libusb_free_device_list(devs, 1);
456 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_open_device_width_vid_pid leave");
457 return (devh);
458}
459
460void
461libusb_close(libusb_device_handle * devh)
462{
463 libusb_context *ctx;
464 struct libusb20_device *pdev;
465 struct usb_ep_tr *eptr;
466 unsigned char dummy = 1;
467 int err;
468
469 if (devh == NULL)
470 return ;
471
472 ctx = devh->dev->ctx;
473 pdev = devh->os_priv;
474
475 GET_CONTEXT(ctx);
476 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_close enter");
477
478 pthread_mutex_lock(&ctx->pollfd_modify_lock);
479 ctx->pollfd_modify++;
480 pthread_mutex_unlock(&ctx->pollfd_modify_lock);
481
482 err = write(ctx->ctrl_pipe[1], &dummy, sizeof(dummy));
483
484 if (err <= 0) {
485 pthread_mutex_lock(&ctx->open_devs_lock);
486 TAILQ_REMOVE(&ctx->open_devs, devh, list);
487 pthread_mutex_unlock(&ctx->open_devs_lock);
488
489 usb_remove_pollfd(ctx, libusb20_dev_get_fd(pdev));
490 libusb20_dev_close(pdev);
491 libusb_unref_device(devh->dev);
492 TAILQ_FOREACH(eptr, &devh->ep_list, list) {
493 TAILQ_REMOVE(&devh->ep_list, eptr, list);
494 libusb20_tr_close(((struct libusb20_transfer **)
495 eptr->os_priv)[0]);
496 if (eptr->flags)
497 libusb20_tr_close(((struct libusb20_transfer **)
498 eptr->os_priv)[1]);
499 free((struct libusb20_transfer **)eptr->os_priv);
500 }
501 free(devh);
502
503 pthread_mutex_lock(&ctx->pollfd_modify_lock);
504 ctx->pollfd_modify--;
505 pthread_mutex_unlock(&ctx->pollfd_modify_lock);
506 return ;
507 }
508 libusb_lock_events(ctx);
509
510 read(ctx->ctrl_pipe[0], &dummy, sizeof(dummy));
511 pthread_mutex_lock(&ctx->open_devs_lock);
512 TAILQ_REMOVE(&ctx->open_devs, devh, list);
513 pthread_mutex_unlock(&ctx->open_devs_lock);
514
515 usb_remove_pollfd(ctx, libusb20_dev_get_fd(pdev));
516 libusb20_dev_close(pdev);
517 libusb_unref_device(devh->dev);
518 TAILQ_FOREACH(eptr, &devh->ep_list, list) {
519 TAILQ_REMOVE(&devh->ep_list, eptr, list);
520 libusb20_tr_close(((struct libusb20_transfer **)
521 eptr->os_priv)[0]);
522 if (eptr->flags)
523 libusb20_tr_close(((struct libusb20_transfer **)
524 eptr->os_priv)[1]);
525 free((struct libusb20_transfer **)eptr->os_priv);
526 }
527 free(devh);
528
529 pthread_mutex_lock(&ctx->pollfd_modify_lock);
530 ctx->pollfd_modify--;
531 pthread_mutex_unlock(&ctx->pollfd_modify_lock);
532
533 libusb_unlock_events(ctx);
534 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_close leave");
535}
536
537libusb_device *
538libusb_get_device(libusb_device_handle * devh)
539{
540 libusb_context *ctx;
541
542 ctx = NULL;
543 GET_CONTEXT(ctx);
544 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_device enter");
545
546 if (devh == NULL)
547 return (NULL);
548
549 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_device leave");
550 return (devh->dev);
551}
552
553int
554libusb_get_configuration(libusb_device_handle * devh, int *config)
555{
556 libusb_context *ctx;
557
558 ctx = NULL;
559 GET_CONTEXT(ctx);
560 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_configuration enter");
561
562 if (devh == NULL || config == NULL)
563 return (LIBUSB_ERROR_INVALID_PARAM);
564
565 *config = libusb20_dev_get_config_index((struct libusb20_device *)
566 devh->dev->os_priv);
567
568 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_configuration leave");
569 return (0);
570}
571
572int
573libusb_set_configuration(libusb_device_handle * devh, int configuration)
574{
575 struct libusb20_device *pdev;
576 libusb_context *ctx;
577
578 ctx = NULL;
579 GET_CONTEXT(ctx);
580 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_set_configuration enter");
581
582 if (devh == NULL)
583 return (LIBUSB_ERROR_INVALID_PARAM);
584
585 pdev = (struct libusb20_device *)devh->dev->os_priv;
586
587 libusb20_dev_set_config_index(pdev, configuration);
588 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_set_configuration leave");
589 return (0);
590}
591
592int
593libusb_claim_interface(libusb_device_handle * dev, int interface_number)
594{
595 libusb_context *ctx;
596 int ret = 0;
597
598 ctx = NULL;
599 GET_CONTEXT(ctx);
600 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_claim_interface enter");
601
602 if (dev == NULL)
603 return (LIBUSB_ERROR_INVALID_PARAM);
604
605 if (interface_number >= sizeof(dev->claimed_interfaces) * 8)
606 return (LIBUSB_ERROR_INVALID_PARAM);
607
608 pthread_mutex_lock(&(dev->lock));
609 if (dev->claimed_interfaces & (1 << interface_number))
610 ret = LIBUSB_ERROR_BUSY;
611
612 if (!ret)
613 dev->claimed_interfaces |= (1 << interface_number);
614 pthread_mutex_unlock(&(dev->lock));
615
616 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_claim_interface leave");
617 return (ret);
618}
619
620int
621libusb_release_interface(libusb_device_handle * dev, int interface_number)
622{
623 libusb_context *ctx;
624 int ret;
625
626 ctx = NULL;
627 GET_CONTEXT(ctx);
628 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_release_interface enter");
629
630 ret = 0;
631 if (dev == NULL)
632 return (LIBUSB_ERROR_INVALID_PARAM);
633
634 if (interface_number >= sizeof(dev->claimed_interfaces) * 8)
635 return (LIBUSB_ERROR_INVALID_PARAM);
636
637 pthread_mutex_lock(&(dev->lock));
638 if (!(dev->claimed_interfaces & (1 << interface_number)))
639 ret = LIBUSB_ERROR_NOT_FOUND;
640
641 if (!ret)
642 dev->claimed_interfaces &= ~(1 << interface_number);
643 pthread_mutex_unlock(&(dev->lock));
644
645 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_release_interface leave");
646 return (ret);
647}
648
649int
650libusb_set_interface_alt_setting(libusb_device_handle * dev,
651 int interface_number, int alternate_setting)
652{
653 libusb_context *ctx;
654
655 ctx = NULL;
656 GET_CONTEXT(ctx);
657 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_set_interface_alt_setting enter");
658
659 if (dev == NULL)
660 return (LIBUSB_ERROR_INVALID_PARAM);
661
662 if (interface_number >= sizeof(dev->claimed_interfaces) *8)
663 return (LIBUSB_ERROR_INVALID_PARAM);
664
665 pthread_mutex_lock(&dev->lock);
666 if (!(dev->claimed_interfaces & (1 << interface_number))) {
667 pthread_mutex_unlock(&dev->lock);
668 return (LIBUSB_ERROR_NOT_FOUND);
669 }
670 pthread_mutex_unlock(&dev->lock);
671
672 if (libusb20_dev_set_alt_index(dev->os_priv, interface_number,
673 alternate_setting) != 0)
674 return (LIBUSB_ERROR_OTHER);
675
676 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_set_interface_alt_setting leave");
677 return (0);
678}
679
680int
681libusb_clear_halt(libusb_device_handle * devh, unsigned char endpoint)
682{
683 struct libusb20_transfer *xfer;
684 struct libusb20_device *pdev;
685 libusb_context *ctx;
686 int ret;
687
688 ctx = NULL;
689 GET_CONTEXT(ctx);
690 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_clear_halt enter");
691
692 pdev = devh->os_priv;
693 xfer = libusb20_tr_get_pointer(pdev,
694 ((endpoint / 0x40) | (endpoint * 4)) % (16 * 4));
695 if (xfer == NULL)
696 return (LIBUSB_ERROR_NO_MEM);
697
698 pthread_mutex_lock(&libusb20_lock);
699 ret = libusb20_tr_open(xfer, 0, 0, endpoint);
700 if (ret != 0 && ret != LIBUSB20_ERROR_BUSY) {
701 pthread_mutex_unlock(&libusb20_lock);
702 return (LIBUSB_ERROR_OTHER);
703 }
704
705 libusb20_tr_clear_stall_sync(xfer);
706 if (ret == 0) /* check if we have open the device */
707 libusb20_tr_close(xfer);
708 pthread_mutex_unlock(&libusb20_lock);
709
710 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_clear_halt leave");
711 return (0);
712}
713
714int
715libusb_reset_device(libusb_device_handle * dev)
716{
717 libusb_context *ctx;
718
719 ctx = NULL;
720 GET_CONTEXT(ctx);
721 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_reset_device enter");
722
723 if (dev == NULL)
724 return (LIBUSB20_ERROR_INVALID_PARAM);
725
726 libusb20_dev_reset(dev->os_priv);
727 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_reset_device leave");
728 return (0);
729}
730
731int
732libusb_kernel_driver_active(libusb_device_handle * devh, int interface)
733{
734 libusb_context *ctx;
735
736 ctx = NULL;
737 GET_CONTEXT(ctx);
738 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_kernel_driver_active enter");
739
740 if (devh == NULL)
741 return (LIBUSB_ERROR_INVALID_PARAM);
742
743 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_kernel_driver_active leave");
744 return (libusb20_dev_kernel_driver_active(devh->os_priv, interface));
745}
746
747int
748libusb_detach_kernel_driver(libusb_device_handle * devh, int interface)
749{
750 struct libusb20_device *pdev;
751 libusb_context *ctx;
752
753 ctx = NULL;
754 GET_CONTEXT(ctx);
755 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_detach_kernel_driver enter");
756
757 if (devh == NULL)
758 return (LIBUSB_ERROR_INVALID_PARAM);
759
760 pdev = (struct libusb20_device *)devh->dev->os_priv;
761 if (libusb20_dev_detach_kernel_driver(pdev, interface) == LIBUSB20_ERROR_OTHER)
762 return (LIBUSB_ERROR_OTHER);
763
764 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_detach_kernel_driver leave");
765 return (0);
766}
767
768/*
769 * stub function.
770 * libusb20 doesn't support this feature.
771 */
772int
773libusb_attach_kernel_driver(libusb_device_handle * devh, int interface)
774{
775 libusb_context *ctx;
776
777 ctx = NULL;
778 GET_CONTEXT(ctx);
779 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_attach_kernel_driver enter");
780
781 if (devh == NULL)
782 return (LIBUSB_ERROR_INVALID_PARAM);
783
784 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_attach_kernel_driver leave");
785 return (0);
786}
787
788/* Asynchronous device I/O */
789
790struct libusb_transfer *
791libusb_alloc_transfer(int iso_packets)
792{
793 struct libusb_transfer *xfer;
794 struct usb_transfer *bxfer;
795 libusb_context *ctx;
796 int len;
797
798 ctx = NULL;
799 GET_CONTEXT(ctx);
800 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_alloc_transfer enter");
801
802 len = sizeof(struct libusb_transfer) +
803 sizeof(struct usb_transfer) +
804 (iso_packets * sizeof(libusb_iso_packet_descriptor));
805
806 bxfer = malloc(len);
807 if (bxfer == NULL)
808 return (NULL);
809
810 memset(bxfer, 0, len);
811 bxfer->num_iso_packets = iso_packets;
812
813 xfer = (struct libusb_transfer *) ((uint8_t *)bxfer +
814 sizeof(struct usb_transfer));
815
816 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_alloc_transfer leave");
817 return (xfer);
818}
819
820void
821libusb_free_transfer(struct libusb_transfer *xfer)
822{
823 struct usb_transfer *bxfer;
824 libusb_context *ctx;
825
826 ctx = NULL;
827 GET_CONTEXT(ctx);
828 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_free_transfer enter");
829
830 if (xfer == NULL)
831 return ;
832
833 bxfer = (struct usb_transfer *) ((uint8_t *)xfer -
834 sizeof(struct usb_transfer));
835
836 free(bxfer);
837 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_free_transfer leave");
838 return;
839}
840
841static int
842libusb_get_maxframe(struct libusb20_device *pdev, libusb_transfer *xfer)
843{
844 int ret;
845 int usb_speed;
846
847 usb_speed = libusb20_dev_get_speed(pdev);
848
849 switch (xfer->type) {
850 case LIBUSB_TRANSFER_TYPE_ISOCHRONOUS:
851 switch (usb_speed) {
852 case LIBUSB20_SPEED_LOW:
853 case LIBUSB20_SPEED_FULL:
854 ret = 60 * 1;
855 break ;
856 default :
857 ret = 60 * 8;
858 break ;
859 }
860 break ;
861 case LIBUSB_TRANSFER_TYPE_CONTROL:
862 ret = 2;
863 break ;
864 default:
865 ret = 1;
866 break ;
867 }
868
869 return ret;
870}
871
872static int
873libusb_get_buffsize(struct libusb20_device *pdev, libusb_transfer *xfer)
874{
875 int ret;
876 int usb_speed;
877
878 usb_speed = libusb20_dev_get_speed(pdev);
879
880 switch (xfer->type) {
881 case LIBUSB_TRANSFER_TYPE_ISOCHRONOUS:
882 ret = 0;
883 break ;
884 case LIBUSB_TRANSFER_TYPE_CONTROL:
885 switch (usb_speed) {
886 case LIBUSB20_SPEED_LOW:
887 ret = 8;
888 break ;
889 case LIBUSB20_SPEED_FULL:
890 ret = 64;
891 break ;
892 default:
893 ret = 64;
894 break ;
895 }
896 ret += 8;
897 break ;
898 default :
899 switch (usb_speed) {
900 case LIBUSB20_SPEED_LOW:
901 ret = 256;
902 break ;
903 case LIBUSB20_SPEED_FULL:
904 ret = 4096;
905 break ;
906 default:
907 ret = 16384;
908 break ;
909 }
910 break ;
911 }
912
913 return ret;
914}
915
916static void
917libusb10_proxy(struct libusb20_transfer *xfer)
918{
919 struct usb_transfer *usb_backend;
920 struct libusb20_device *pdev;
921 libusb_transfer *usb_xfer;
922 libusb_context *ctx;
923 uint32_t pos;
924 uint32_t max;
925 uint32_t size;
926 uint8_t status;
927 uint32_t iso_packets;
928 int i;
929
930 status = libusb20_tr_get_status(xfer);
931 usb_xfer = libusb20_tr_get_priv_sc0(xfer);
932 usb_backend = (struct usb_transfer *) ((uint8_t *)usb_xfer -
933 sizeof(struct usb_transfer));
934 pdev = usb_xfer->dev_handle->dev->os_priv;
935 ctx = usb_xfer->dev_handle->dev->ctx;
936 GET_CONTEXT(ctx);
937
938 switch (status) {
939 case LIBUSB20_TRANSFER_COMPLETED:
940 usb_backend->transferred += libusb20_tr_get_actual_length(xfer);
941 DPRINTF(ctx, LIBUSB_DEBUG_TRANSFER, "LIBUSB20 TRANSFER %i bytes",
942 usb_backend->transferred);
943 if (usb_backend->transferred != usb_xfer->length)
944 goto tr_start;
945
946 DPRINTF(ctx, LIBUSB_DEBUG_TRANSFER, "LIBUSB20 TRANSFER COMPLETE");
947 usb_handle_transfer_completion(usb_backend, LIBUSB_TRANSFER_COMPLETED);
948
949 break ;
950 case LIBUSB20_TRANSFER_START:
951tr_start:
952 DPRINTF(ctx, LIBUSB_DEBUG_TRANSFER, "LIBUSB20 START");
953 max = libusb_get_buffsize(pdev, usb_xfer);
954 pos = usb_backend->transferred;
955 size = (usb_xfer->length - pos);
956 size = (size > max) ? max : size;
957 usb_xfer->actual_length = 0;
958 switch (usb_xfer->type) {
959 case LIBUSB_TRANSFER_TYPE_CONTROL:
960 DPRINTF(ctx, LIBUSB_DEBUG_TRANSFER, "TYPE CTR");
961 libusb20_tr_setup_control(xfer, usb_xfer->buffer,
962 (void *)(((uint8_t *) &usb_xfer->buffer[pos]) +
963 sizeof(libusb_control_setup)),
964 usb_xfer->timeout);
965 break ;
966 case LIBUSB_TRANSFER_TYPE_ISOCHRONOUS:
967 DPRINTF(ctx, LIBUSB_DEBUG_TRANSFER, "TYPE ISO");
968 iso_packets = libusb20_tr_get_max_frames(xfer);
969 if (usb_xfer->num_iso_packets > iso_packets)
970 usb_xfer->num_iso_packets = iso_packets;
971 for (i = 0 ; i < usb_xfer->num_iso_packets ; i++) {
972 libusb20_tr_setup_isoc(xfer,
973 &usb_xfer->buffer[pos], size, i);
974 }
975 libusb20_tr_set_total_frames(xfer, i);
976 break ;
977 case LIBUSB_TRANSFER_TYPE_BULK:
978 DPRINTF(ctx, LIBUSB_DEBUG_TRANSFER, "TYPE BULK");
979 libusb20_tr_setup_bulk(xfer, &usb_xfer->buffer[pos],
980 size, usb_xfer->timeout);
981 break ;
982 case LIBUSB_TRANSFER_TYPE_INTERRUPT:
983 DPRINTF(ctx, LIBUSB_DEBUG_TRANSFER, "TYPE INTR");
984 libusb20_tr_setup_intr(xfer, &usb_xfer->buffer[pos],
985 size, usb_xfer->timeout);
986 break ;
987 }
988 libusb20_tr_submit(xfer);
989 DPRINTF(ctx, LIBUSB_DEBUG_TRANSFER, "LIBUSB20 SUBMITED");
990 break ;
991 default:
992 DPRINTF(ctx, LIBUSB_DEBUG_TRANSFER, "TRANSFER DEFAULT 0x%x\n",
993 status);
994 usb_backend->transferred = 0;
995 usb_handle_transfer_completion(usb_backend, LIBUSB_TRANSFER_CANCELLED);
996 break ;
997 }
998
999 switch (status) {
1000 case LIBUSB20_TRANSFER_COMPLETED:
1001 DPRINTF(ctx, LIBUSB_DEBUG_TRANSFER, "STATUS COMPLETED");
1002 usb_xfer->status = LIBUSB_TRANSFER_COMPLETED;
1003 break ;
1004 case LIBUSB20_TRANSFER_OVERFLOW:
1005 DPRINTF(ctx, LIBUSB_DEBUG_TRANSFER, "STATUS TR OVERFLOW");
1006 usb_xfer->status = LIBUSB_TRANSFER_OVERFLOW;
1007 break ;
1008 case LIBUSB20_TRANSFER_NO_DEVICE:
1009 DPRINTF(ctx, LIBUSB_DEBUG_TRANSFER, "STATUS TR NO DEVICE");
1010 usb_xfer->status = LIBUSB_TRANSFER_NO_DEVICE;
1011 break ;
1012 case LIBUSB20_TRANSFER_STALL:
1013 DPRINTF(ctx, LIBUSB_DEBUG_TRANSFER, "STATUS TR STALL");
1014 usb_xfer->status = LIBUSB_TRANSFER_STALL;
1015 break ;
1016 case LIBUSB20_TRANSFER_CANCELLED:
1017 DPRINTF(ctx, LIBUSB_DEBUG_TRANSFER, "STATUS TR CANCELLED");
1018 usb_xfer->status = LIBUSB_TRANSFER_CANCELLED;
1019 break ;
1020 case LIBUSB20_TRANSFER_TIMED_OUT:
1021 DPRINTF(ctx, LIBUSB_DEBUG_TRANSFER, "STATUS TR TIMEOUT");
1022 usb_xfer->status = LIBUSB_TRANSFER_TIMED_OUT;
1023 break ;
1024 case LIBUSB20_TRANSFER_ERROR:
1025 DPRINTF(ctx, LIBUSB_DEBUG_TRANSFER, "ERROR");
1026 usb_xfer->status = LIBUSB_TRANSFER_ERROR;
1027 break ;
1028 }
1029}
1030
1031int
1032libusb_submit_transfer(struct libusb_transfer *xfer)
1033{
1034 struct libusb20_transfer **usb20_xfer;
1035 struct usb_transfer *usb_backend;
1036 struct usb_transfer *usb_node;
1037 struct libusb20_device *pdev;
1038 struct usb_ep_tr *eptr;
1039 struct timespec cur_ts;
1040 struct timeval *cur_tv;
1041 libusb_device_handle *devh;
1042 libusb_context *ctx;
1043 int maxframe;
1044 int buffsize;
1045 int ep_idx;
1046 int ret;
1047
1048 if (xfer == NULL)
1049 return (LIBUSB_ERROR_NO_MEM);
1050
1051 usb20_xfer = malloc(2 * sizeof(struct libusb20_transfer *));
1052 if (usb20_xfer == NULL)
1053 return (LIBUSB_ERROR_NO_MEM);
1054
1055 ctx = xfer->dev_handle->dev->ctx;
1056 pdev = xfer->dev_handle->os_priv;
1057 devh = xfer->dev_handle;
1058
1059 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_submit_transfer enter");
1060
1061 usb_backend = (struct usb_transfer *) ((uint8_t *)xfer -
1062 sizeof(struct usb_transfer));
1063 usb_backend->transferred = 0;
1064 usb_backend->flags = 0;
1065
1066 if (xfer->timeout != 0) {
1067 clock_gettime(CLOCK_MONOTONIC, &cur_ts);
1068 cur_ts.tv_sec += xfer->timeout / 1000;
1069 cur_ts.tv_nsec += (xfer->timeout % 1000) * 1000000;
1070
1071 if (cur_ts.tv_nsec > 1000000000) {
1072 cur_ts.tv_nsec -= 1000000000;
1073 cur_ts.tv_sec++;
1074 }
1075
1076 TIMESPEC_TO_TIMEVAL(&usb_backend->timeout, &cur_ts);
1077 }
1078
1079 /*Add to flying list*/
1080 pthread_mutex_lock(&ctx->flying_transfers_lock);
1081 if (TAILQ_EMPTY(&ctx->flying_transfers)) {
1082 TAILQ_INSERT_HEAD(&ctx->flying_transfers, usb_backend, list);
1083 goto out;
1084 }
1085 if (timerisset(&usb_backend->timeout) == 0) {
1086 TAILQ_INSERT_HEAD(&ctx->flying_transfers, usb_backend, list);
1087 goto out;
1088 }
1089 TAILQ_FOREACH(usb_node, &ctx->flying_transfers, list) {
1090 cur_tv = &usb_node->timeout;
1091 if (timerisset(cur_tv) == 0 ||
1092 (cur_tv->tv_sec > usb_backend->timeout.tv_sec) ||
1093 (cur_tv->tv_sec == usb_backend->timeout.tv_sec &&
1094 cur_tv->tv_usec > usb_backend->timeout.tv_usec)) {
1095 TAILQ_INSERT_TAIL(&ctx->flying_transfers, usb_backend, list);
1096 goto out;
1097 }
1098 }
1099 TAILQ_INSERT_TAIL(&ctx->flying_transfers, usb_backend, list);
1100
1101out:
1102 pthread_mutex_unlock(&ctx->flying_transfers_lock);
1103
1104 ep_idx = (xfer->endpoint / 0x40) | (xfer->endpoint * 4) % (16 * 4);
1105 usb20_xfer[0] = libusb20_tr_get_pointer(pdev, ep_idx);
1106 usb20_xfer[1] = libusb20_tr_get_pointer(pdev, ep_idx + 1);
1107
1108 if (usb20_xfer[0] == NULL)
1109 return (LIBUSB_ERROR_OTHER);
1110
1111 xfer->os_priv = usb20_xfer;
1112
1113 pthread_mutex_lock(&libusb20_lock);
1114
1115 buffsize = libusb_get_buffsize(pdev, xfer);
1116 maxframe = libusb_get_maxframe(pdev, xfer);
1117
1118 ret = 0;
1119 TAILQ_FOREACH(eptr, &devh->ep_list, list) {
1120 if (xfer->endpoint == eptr->addr)
1121 ret++;
1122 }
1123 if (ret == 0) {
1124 eptr = malloc(sizeof(struct usb_ep_tr));
1125 eptr->addr = xfer->endpoint;
1126 eptr->idx = ep_idx;
1127 eptr->os_priv = usb20_xfer;
1128 eptr->flags = (xfer->type == LIBUSB_TRANSFER_TYPE_ISOCHRONOUS)?1:0;
1129 TAILQ_INSERT_HEAD(&devh->ep_list, eptr, list);
1130 ret = libusb20_tr_open(usb20_xfer[0], buffsize,
1131 maxframe, xfer->endpoint);
1132 if (xfer->type == LIBUSB_TRANSFER_TYPE_ISOCHRONOUS)
1133 ret |= libusb20_tr_open(usb20_xfer[1], buffsize,
1134 maxframe, xfer->endpoint);
1135
1136 if (ret != 0) {
1137 pthread_mutex_unlock(&libusb20_lock);
1138 pthread_mutex_lock(&ctx->flying_transfers_lock);
1139 TAILQ_REMOVE(&ctx->flying_transfers, usb_backend, list);
1140 pthread_mutex_unlock(&ctx->flying_transfers_lock);
1141 return (LIBUSB_ERROR_OTHER);
1142 }
1143 }
1144
1145 libusb20_tr_set_priv_sc0(usb20_xfer[0], xfer);
1146 libusb20_tr_set_callback(usb20_xfer[0], libusb10_proxy);
1147 if (xfer->type == LIBUSB_TRANSFER_TYPE_ISOCHRONOUS) {
1148 libusb20_tr_set_priv_sc0(usb20_xfer[1], xfer);
1149 libusb20_tr_set_callback(usb20_xfer[1], libusb10_proxy);
1150 }
1151
1152 DPRINTF(ctx, LIBUSB_DEBUG_TRANSFER, "LIBUSB20_TR_START");
1153 libusb20_tr_start(usb20_xfer[0]);
1154 if (xfer->type == LIBUSB_TRANSFER_TYPE_ISOCHRONOUS)
1155 libusb20_tr_start(usb20_xfer[1]);
1156
1157 pthread_mutex_unlock(&libusb20_lock);
1158
1159 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_submit_transfer leave");
1160 return (0);
1161}
1162
1163int
1164libusb_cancel_transfer(struct libusb_transfer *xfer)
1165{
1166 libusb_context *ctx;
1167
1168 ctx = NULL;
1169 GET_CONTEXT(ctx);
1170 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_cancel_transfer enter");
1171
1172 if (xfer == NULL)
1173 return (LIBUSB_ERROR_NO_MEM);
1174
1175 pthread_mutex_lock(&libusb20_lock);
1176 libusb20_tr_stop(xfer->os_priv);
1177 pthread_mutex_unlock(&libusb20_lock);
1178
1179 DPRINTF(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_cancel_transfer leave");
1180 return (0);
1181}
1182