3 * Copyright (c) 2008 Hans Petter Selasky. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 #include <sys/queue.h>
28 #include <sys/types.h>
38 #include "libusb20_desc.h"
39 #include "libusb20_int.h"
41 #include <dev/usb/usb.h>
42 #include <dev/usb/usbdi.h>
43 #include <dev/usb/usb_ioctl.h>
45 static libusb20_init_backend_t ugen20_init_backend;
46 static libusb20_open_device_t ugen20_open_device;
47 static libusb20_close_device_t ugen20_close_device;
48 static libusb20_get_backend_name_t ugen20_get_backend_name;
49 static libusb20_exit_backend_t ugen20_exit_backend;
50 static libusb20_dev_get_iface_desc_t ugen20_dev_get_iface_desc;
51 static libusb20_dev_get_info_t ugen20_dev_get_info;
52 static libusb20_root_get_dev_quirk_t ugen20_root_get_dev_quirk;
53 static libusb20_root_get_quirk_name_t ugen20_root_get_quirk_name;
54 static libusb20_root_add_dev_quirk_t ugen20_root_add_dev_quirk;
55 static libusb20_root_remove_dev_quirk_t ugen20_root_remove_dev_quirk;
56 static libusb20_root_set_template_t ugen20_root_set_template;
57 static libusb20_root_get_template_t ugen20_root_get_template;
59 const struct libusb20_backend_methods libusb20_ugen20_backend = {
60 LIBUSB20_BACKEND(LIBUSB20_DECLARE, ugen20)
63 /* USB device specific */
64 static libusb20_get_config_desc_full_t ugen20_get_config_desc_full;
65 static libusb20_get_config_index_t ugen20_get_config_index;
66 static libusb20_set_config_index_t ugen20_set_config_index;
67 static libusb20_set_alt_index_t ugen20_set_alt_index;
68 static libusb20_reset_device_t ugen20_reset_device;
69 static libusb20_check_connected_t ugen20_check_connected;
70 static libusb20_set_power_mode_t ugen20_set_power_mode;
71 static libusb20_get_power_mode_t ugen20_get_power_mode;
72 static libusb20_kernel_driver_active_t ugen20_kernel_driver_active;
73 static libusb20_detach_kernel_driver_t ugen20_detach_kernel_driver;
74 static libusb20_do_request_sync_t ugen20_do_request_sync;
75 static libusb20_process_t ugen20_process;
77 /* USB transfer specific */
78 static libusb20_tr_open_t ugen20_tr_open;
79 static libusb20_tr_close_t ugen20_tr_close;
80 static libusb20_tr_clear_stall_sync_t ugen20_tr_clear_stall_sync;
81 static libusb20_tr_submit_t ugen20_tr_submit;
82 static libusb20_tr_cancel_async_t ugen20_tr_cancel_async;
84 static const struct libusb20_device_methods libusb20_ugen20_device_methods = {
85 LIBUSB20_DEVICE(LIBUSB20_DECLARE, ugen20)
89 ugen20_get_backend_name(void)
91 return ("FreeBSD UGEN 2.0");
95 ugen20_path_convert_one(const char **pp)
102 while ((*ptr >= '0') && (*ptr <= '9')) {
104 temp += (*ptr - '0');
105 if (temp >= 1000000) {
106 /* catch overflow early */
122 ugen20_enumerate(struct libusb20_device *pdev, const char *id)
124 const char *tmp = id;
125 struct usb_device_descriptor ddesc;
126 struct usb_device_info devinfo;
132 pdev->bus_number = ugen20_path_convert_one(&tmp);
133 pdev->device_address = ugen20_path_convert_one(&tmp);
135 snprintf(buf, sizeof(buf), "/dev/" USB_GENERIC_NAME "%u.%u",
136 pdev->bus_number, pdev->device_address);
138 f = open(buf, O_RDWR);
140 return (LIBUSB20_ERROR_OTHER);
142 if (ioctl(f, USB_GET_PLUGTIME, &plugtime)) {
143 error = LIBUSB20_ERROR_OTHER;
146 /* store when the device was plugged */
147 pdev->session_data.plugtime = plugtime;
149 if (ioctl(f, USB_GET_DEVICE_DESC, &ddesc)) {
150 error = LIBUSB20_ERROR_OTHER;
153 LIBUSB20_INIT(LIBUSB20_DEVICE_DESC, &(pdev->ddesc));
155 libusb20_me_decode(&ddesc, sizeof(ddesc), &(pdev->ddesc));
157 if (pdev->ddesc.bNumConfigurations == 0) {
158 error = LIBUSB20_ERROR_OTHER;
160 } else if (pdev->ddesc.bNumConfigurations >= 8) {
161 error = LIBUSB20_ERROR_OTHER;
164 if (ioctl(f, USB_GET_DEVICEINFO, &devinfo)) {
165 error = LIBUSB20_ERROR_OTHER;
168 switch (devinfo.udi_mode) {
169 case USB_MODE_DEVICE:
170 pdev->usb_mode = LIBUSB20_MODE_DEVICE;
173 pdev->usb_mode = LIBUSB20_MODE_HOST;
177 switch (devinfo.udi_speed) {
179 pdev->usb_speed = LIBUSB20_SPEED_LOW;
182 pdev->usb_speed = LIBUSB20_SPEED_FULL;
185 pdev->usb_speed = LIBUSB20_SPEED_HIGH;
187 case USB_SPEED_VARIABLE:
188 pdev->usb_speed = LIBUSB20_SPEED_VARIABLE;
190 case USB_SPEED_SUPER:
191 pdev->usb_speed = LIBUSB20_SPEED_SUPER;
194 pdev->usb_speed = LIBUSB20_SPEED_UNKNOWN;
198 /* generate a nice description for printout */
200 snprintf(pdev->usb_desc, sizeof(pdev->usb_desc),
201 USB_GENERIC_NAME "%u.%u: <%s %s> at usbus%u", pdev->bus_number,
202 pdev->device_address, devinfo.udi_product,
203 devinfo.udi_vendor, pdev->bus_number);
211 struct ugen20_urd_state {
212 struct usb_read_dir urd;
219 uint8_t dummy_zero[1];
223 ugen20_readdir(struct ugen20_urd_state *st)
227 if (st->ptr == NULL) {
228 st->urd.urd_startentry += st->nparsed;
229 st->urd.urd_data = st->buf;
230 st->urd.urd_maxlen = sizeof(st->buf);
233 if (ioctl(st->f, USB_READ_DIR, &st->urd)) {
238 if (st->ptr[0] == 0) {
246 st->src = (void *)(st->ptr + 1);
247 st->dst = st->src + strlen(st->src) + 1;
248 st->ptr = st->ptr + st->ptr[0];
251 if ((st->ptr < st->buf) ||
252 (st->ptr > st->dummy_zero)) {
260 ugen20_init_backend(struct libusb20_backend *pbe)
262 struct ugen20_urd_state state;
263 struct libusb20_device *pdev;
265 memset(&state, 0, sizeof(state));
267 state.f = open("/dev/" USB_DEVICE_NAME, O_RDONLY);
269 return (LIBUSB20_ERROR_OTHER);
271 while (ugen20_readdir(&state) == 0) {
273 if ((state.src[0] != 'u') ||
274 (state.src[1] != 'g') ||
275 (state.src[2] != 'e') ||
276 (state.src[3] != 'n')) {
279 pdev = libusb20_dev_alloc();
283 if (ugen20_enumerate(pdev, state.src + 4)) {
284 libusb20_dev_free(pdev);
287 /* put the device on the backend list */
288 libusb20_be_enqueue_device(pbe, pdev);
291 return (0); /* success */
295 ugen20_tr_release(struct libusb20_device *pdev)
297 struct usb_fs_uninit fs_uninit;
299 if (pdev->nTransfer == 0) {
302 /* release all pending USB transfers */
303 if (pdev->privBeData != NULL) {
304 memset(&fs_uninit, 0, sizeof(fs_uninit));
305 if (ioctl(pdev->file, USB_FS_UNINIT, &fs_uninit)) {
306 /* ignore any errors of this kind */
313 ugen20_tr_renew(struct libusb20_device *pdev)
315 struct usb_fs_init fs_init;
316 struct usb_fs_endpoint *pfse;
319 uint16_t nMaxTransfer;
321 nMaxTransfer = pdev->nTransfer;
324 if (nMaxTransfer == 0) {
327 size = nMaxTransfer * sizeof(*pfse);
329 if (pdev->privBeData == NULL) {
332 error = LIBUSB20_ERROR_NO_MEM;
335 pdev->privBeData = pfse;
337 /* reset endpoint data */
338 memset(pdev->privBeData, 0, size);
340 memset(&fs_init, 0, sizeof(fs_init));
342 fs_init.pEndpoints = pdev->privBeData;
343 fs_init.ep_index_max = nMaxTransfer;
345 if (ioctl(pdev->file, USB_FS_INIT, &fs_init)) {
346 error = LIBUSB20_ERROR_OTHER;
354 ugen20_open_device(struct libusb20_device *pdev, uint16_t nMaxTransfer)
362 snprintf(buf, sizeof(buf), "/dev/" USB_GENERIC_NAME "%u.%u",
363 pdev->bus_number, pdev->device_address);
366 * We need two file handles, one for the control endpoint and one
367 * for BULK, INTERRUPT and ISOCHRONOUS transactions due to optimised
370 g = open(buf, O_RDWR);
372 return (LIBUSB20_ERROR_NO_DEVICE);
374 f = open(buf, O_RDWR);
377 return (LIBUSB20_ERROR_NO_DEVICE);
379 if (ioctl(f, USB_GET_PLUGTIME, &plugtime)) {
380 error = LIBUSB20_ERROR_OTHER;
383 /* check that the correct device is still plugged */
384 if (pdev->session_data.plugtime != plugtime) {
385 error = LIBUSB20_ERROR_NO_DEVICE;
388 /* need to set this before "tr_renew()" */
392 /* renew all USB transfers */
393 error = ugen20_tr_renew(pdev);
398 pdev->methods = &libusb20_ugen20_device_methods;
402 if (pdev->privBeData) {
403 /* cleanup after "tr_renew()" */
404 free(pdev->privBeData);
405 pdev->privBeData = NULL;
408 pdev->file_ctrl = -1;
416 ugen20_close_device(struct libusb20_device *pdev)
418 struct usb_fs_uninit fs_uninit;
420 if (pdev->privBeData) {
421 memset(&fs_uninit, 0, sizeof(fs_uninit));
422 if (ioctl(pdev->file, USB_FS_UNINIT, &fs_uninit)) {
423 /* ignore this error */
425 free(pdev->privBeData);
428 pdev->privBeData = NULL;
430 close(pdev->file_ctrl);
432 pdev->file_ctrl = -1;
433 return (0); /* success */
437 ugen20_exit_backend(struct libusb20_backend *pbe)
439 return; /* nothing to do */
443 ugen20_get_config_desc_full(struct libusb20_device *pdev,
444 uint8_t **ppbuf, uint16_t *plen, uint8_t cfg_index)
446 struct usb_gen_descriptor gen_desc;
447 struct usb_config_descriptor cdesc;
452 /* make sure memory is initialised */
453 memset(&cdesc, 0, sizeof(cdesc));
454 memset(&gen_desc, 0, sizeof(gen_desc));
456 gen_desc.ugd_data = &cdesc;
457 gen_desc.ugd_maxlen = sizeof(cdesc);
458 gen_desc.ugd_config_index = cfg_index;
460 error = ioctl(pdev->file_ctrl, USB_GET_FULL_DESC, &gen_desc);
462 return (LIBUSB20_ERROR_OTHER);
464 len = UGETW(cdesc.wTotalLength);
465 if (len < sizeof(cdesc)) {
466 /* corrupt descriptor */
467 return (LIBUSB20_ERROR_OTHER);
471 return (LIBUSB20_ERROR_NO_MEM);
474 /* make sure memory is initialised */
477 gen_desc.ugd_data = ptr;
478 gen_desc.ugd_maxlen = len;
480 error = ioctl(pdev->file_ctrl, USB_GET_FULL_DESC, &gen_desc);
483 return (LIBUSB20_ERROR_OTHER);
485 /* make sure that the device doesn't fool us */
486 memcpy(ptr, &cdesc, sizeof(cdesc));
491 return (0); /* success */
495 ugen20_get_config_index(struct libusb20_device *pdev, uint8_t *pindex)
499 if (ioctl(pdev->file_ctrl, USB_GET_CONFIG, &temp)) {
500 return (LIBUSB20_ERROR_OTHER);
508 ugen20_set_config_index(struct libusb20_device *pdev, uint8_t cfg_index)
510 int temp = cfg_index;
512 /* release all active USB transfers */
513 ugen20_tr_release(pdev);
515 if (ioctl(pdev->file_ctrl, USB_SET_CONFIG, &temp)) {
516 return (LIBUSB20_ERROR_OTHER);
518 return (ugen20_tr_renew(pdev));
522 ugen20_set_alt_index(struct libusb20_device *pdev,
523 uint8_t iface_index, uint8_t alt_index)
525 struct usb_alt_interface alt_iface;
527 memset(&alt_iface, 0, sizeof(alt_iface));
529 alt_iface.uai_interface_index = iface_index;
530 alt_iface.uai_alt_index = alt_index;
532 /* release all active USB transfers */
533 ugen20_tr_release(pdev);
535 if (ioctl(pdev->file_ctrl, USB_SET_ALTINTERFACE, &alt_iface)) {
536 return (LIBUSB20_ERROR_OTHER);
538 return (ugen20_tr_renew(pdev));
542 ugen20_reset_device(struct libusb20_device *pdev)
546 /* release all active USB transfers */
547 ugen20_tr_release(pdev);
549 if (ioctl(pdev->file_ctrl, USB_DEVICEENUMERATE, &temp)) {
550 return (LIBUSB20_ERROR_OTHER);
552 return (ugen20_tr_renew(pdev));
556 ugen20_check_connected(struct libusb20_device *pdev)
561 if (ioctl(pdev->file_ctrl, USB_GET_PLUGTIME, &plugtime)) {
562 error = LIBUSB20_ERROR_NO_DEVICE;
566 if (pdev->session_data.plugtime != plugtime) {
567 error = LIBUSB20_ERROR_NO_DEVICE;
575 ugen20_set_power_mode(struct libusb20_device *pdev, uint8_t power_mode)
579 switch (power_mode) {
580 case LIBUSB20_POWER_OFF:
581 temp = USB_POWER_MODE_OFF;
583 case LIBUSB20_POWER_ON:
584 temp = USB_POWER_MODE_ON;
586 case LIBUSB20_POWER_SAVE:
587 temp = USB_POWER_MODE_SAVE;
589 case LIBUSB20_POWER_SUSPEND:
590 temp = USB_POWER_MODE_SUSPEND;
592 case LIBUSB20_POWER_RESUME:
593 temp = USB_POWER_MODE_RESUME;
596 return (LIBUSB20_ERROR_INVALID_PARAM);
598 if (ioctl(pdev->file_ctrl, USB_SET_POWER_MODE, &temp)) {
599 return (LIBUSB20_ERROR_OTHER);
605 ugen20_get_power_mode(struct libusb20_device *pdev, uint8_t *power_mode)
609 if (ioctl(pdev->file_ctrl, USB_GET_POWER_MODE, &temp)) {
610 return (LIBUSB20_ERROR_OTHER);
613 case USB_POWER_MODE_OFF:
614 temp = LIBUSB20_POWER_OFF;
616 case USB_POWER_MODE_ON:
617 temp = LIBUSB20_POWER_ON;
619 case USB_POWER_MODE_SAVE:
620 temp = LIBUSB20_POWER_SAVE;
622 case USB_POWER_MODE_SUSPEND:
623 temp = LIBUSB20_POWER_SUSPEND;
625 case USB_POWER_MODE_RESUME:
626 temp = LIBUSB20_POWER_RESUME;
629 temp = LIBUSB20_POWER_ON;
633 return (0); /* success */
637 ugen20_kernel_driver_active(struct libusb20_device *pdev,
640 int temp = iface_index;
642 if (ioctl(pdev->file_ctrl, USB_IFACE_DRIVER_ACTIVE, &temp)) {
643 return (LIBUSB20_ERROR_OTHER);
645 return (0); /* kernel driver is active */
649 ugen20_detach_kernel_driver(struct libusb20_device *pdev,
652 int temp = iface_index;
654 if (ioctl(pdev->file_ctrl, USB_IFACE_DRIVER_DETACH, &temp)) {
655 return (LIBUSB20_ERROR_OTHER);
657 return (0); /* kernel driver is active */
661 ugen20_do_request_sync(struct libusb20_device *pdev,
662 struct LIBUSB20_CONTROL_SETUP_DECODED *setup,
663 void *data, uint16_t *pactlen, uint32_t timeout, uint8_t flags)
665 struct usb_ctl_request req;
667 memset(&req, 0, sizeof(req));
670 if (!(flags & LIBUSB20_TRANSFER_SINGLE_SHORT_NOT_OK)) {
671 req.ucr_flags |= USB_SHORT_XFER_OK;
673 if (libusb20_me_encode(&req.ucr_request,
674 sizeof(req.ucr_request), setup)) {
677 if (ioctl(pdev->file_ctrl, USB_DO_REQUEST, &req)) {
678 return (LIBUSB20_ERROR_OTHER);
681 /* get actual length */
682 *pactlen = req.ucr_actlen;
684 return (0); /* kernel driver is active */
688 ugen20_process(struct libusb20_device *pdev)
690 struct usb_fs_complete temp;
691 struct usb_fs_endpoint *fsep;
692 struct libusb20_transfer *xfer;
696 if (ioctl(pdev->file, USB_FS_COMPLETE, &temp)) {
697 if (errno == EBUSY) {
700 /* device detached */
701 return (LIBUSB20_ERROR_OTHER);
704 fsep = pdev->privBeData;
705 xfer = pdev->pTransfer;
706 fsep += temp.ep_index;
707 xfer += temp.ep_index;
709 /* update transfer status */
711 if (fsep->status == 0) {
712 xfer->aFrames = fsep->aFrames;
713 xfer->timeComplete = fsep->isoc_time_complete;
714 xfer->status = LIBUSB20_TRANSFER_COMPLETED;
715 } else if (fsep->status == USB_ERR_CANCELLED) {
717 xfer->timeComplete = 0;
718 xfer->status = LIBUSB20_TRANSFER_CANCELLED;
719 } else if (fsep->status == USB_ERR_STALLED) {
721 xfer->timeComplete = 0;
722 xfer->status = LIBUSB20_TRANSFER_STALL;
723 } else if (fsep->status == USB_ERR_TIMEOUT) {
725 xfer->timeComplete = 0;
726 xfer->status = LIBUSB20_TRANSFER_TIMED_OUT;
729 xfer->timeComplete = 0;
730 xfer->status = LIBUSB20_TRANSFER_ERROR;
732 libusb20_tr_callback_wrapper(xfer);
734 return (0); /* done */
738 ugen20_tr_open(struct libusb20_transfer *xfer, uint32_t MaxBufSize,
739 uint32_t MaxFrameCount, uint8_t ep_no)
741 struct usb_fs_open temp;
742 struct usb_fs_endpoint *fsep;
744 memset(&temp, 0, sizeof(temp));
746 fsep = xfer->pdev->privBeData;
747 fsep += xfer->trIndex;
749 temp.max_bufsize = MaxBufSize;
750 temp.max_frames = MaxFrameCount;
751 temp.ep_index = xfer->trIndex;
754 if (ioctl(xfer->pdev->file, USB_FS_OPEN, &temp)) {
755 return (LIBUSB20_ERROR_INVALID_PARAM);
757 /* maximums might have changed - update */
758 xfer->maxFrames = temp.max_frames;
760 /* "max_bufsize" should be multiple of "max_packet_length" */
761 xfer->maxTotalLength = temp.max_bufsize;
762 xfer->maxPacketLen = temp.max_packet_length;
764 /* setup buffer and length lists */
765 fsep->ppBuffer = xfer->ppBuffer;/* zero copy */
766 fsep->pLength = xfer->pLength; /* zero copy */
768 return (0); /* success */
772 ugen20_tr_close(struct libusb20_transfer *xfer)
774 struct usb_fs_close temp;
776 memset(&temp, 0, sizeof(temp));
778 temp.ep_index = xfer->trIndex;
780 if (ioctl(xfer->pdev->file, USB_FS_CLOSE, &temp)) {
781 return (LIBUSB20_ERROR_INVALID_PARAM);
783 return (0); /* success */
787 ugen20_tr_clear_stall_sync(struct libusb20_transfer *xfer)
789 struct usb_fs_clear_stall_sync temp;
791 memset(&temp, 0, sizeof(temp));
793 /* if the transfer is active, an error will be returned */
795 temp.ep_index = xfer->trIndex;
797 if (ioctl(xfer->pdev->file, USB_FS_CLEAR_STALL_SYNC, &temp)) {
798 return (LIBUSB20_ERROR_INVALID_PARAM);
800 return (0); /* success */
804 ugen20_tr_submit(struct libusb20_transfer *xfer)
806 struct usb_fs_start temp;
807 struct usb_fs_endpoint *fsep;
809 memset(&temp, 0, sizeof(temp));
811 fsep = xfer->pdev->privBeData;
812 fsep += xfer->trIndex;
814 fsep->nFrames = xfer->nFrames;
816 if (!(xfer->flags & LIBUSB20_TRANSFER_SINGLE_SHORT_NOT_OK)) {
817 fsep->flags |= USB_FS_FLAG_SINGLE_SHORT_OK;
819 if (!(xfer->flags & LIBUSB20_TRANSFER_MULTI_SHORT_NOT_OK)) {
820 fsep->flags |= USB_FS_FLAG_MULTI_SHORT_OK;
822 if (xfer->flags & LIBUSB20_TRANSFER_FORCE_SHORT) {
823 fsep->flags |= USB_FS_FLAG_FORCE_SHORT;
825 if (xfer->flags & LIBUSB20_TRANSFER_DO_CLEAR_STALL) {
826 fsep->flags |= USB_FS_FLAG_CLEAR_STALL;
828 /* NOTE: The "fsep->timeout" variable is 16-bit. */
829 if (xfer->timeout > 65535)
830 fsep->timeout = 65535;
832 fsep->timeout = xfer->timeout;
834 temp.ep_index = xfer->trIndex;
836 if (ioctl(xfer->pdev->file, USB_FS_START, &temp)) {
837 /* ignore any errors - should never happen */
839 return; /* success */
843 ugen20_tr_cancel_async(struct libusb20_transfer *xfer)
845 struct usb_fs_stop temp;
847 memset(&temp, 0, sizeof(temp));
849 temp.ep_index = xfer->trIndex;
851 if (ioctl(xfer->pdev->file, USB_FS_STOP, &temp)) {
852 /* ignore any errors - should never happen */
858 ugen20_be_ioctl(uint32_t cmd, void *data)
863 f = open("/dev/" USB_DEVICE_NAME, O_RDONLY);
865 return (LIBUSB20_ERROR_OTHER);
866 error = ioctl(f, cmd, data);
868 if (errno == EPERM) {
869 error = LIBUSB20_ERROR_ACCESS;
871 error = LIBUSB20_ERROR_OTHER;
879 ugen20_dev_get_iface_desc(struct libusb20_device *pdev,
880 uint8_t iface_index, char *buf, uint8_t len)
882 struct usb_gen_descriptor ugd;
884 memset(&ugd, 0, sizeof(ugd));
887 ugd.ugd_maxlen = len;
888 ugd.ugd_iface_index = iface_index;
890 if (ioctl(pdev->file, USB_GET_IFACE_DRIVER, &ugd)) {
891 return (LIBUSB20_ERROR_INVALID_PARAM);
897 ugen20_dev_get_info(struct libusb20_device *pdev,
898 struct usb_device_info *pinfo)
900 if (ioctl(pdev->file, USB_GET_DEVICEINFO, pinfo)) {
901 return (LIBUSB20_ERROR_INVALID_PARAM);
907 ugen20_root_get_dev_quirk(struct libusb20_backend *pbe,
908 uint16_t quirk_index, struct libusb20_quirk *pq)
910 struct usb_gen_quirk q;
913 memset(&q, 0, sizeof(q));
915 q.index = quirk_index;
917 error = ugen20_be_ioctl(USB_DEV_QUIRK_GET, &q);
920 if (errno == EINVAL) {
921 return (LIBUSB20_ERROR_NOT_FOUND);
926 pq->bcdDeviceLow = q.bcdDeviceLow;
927 pq->bcdDeviceHigh = q.bcdDeviceHigh;
928 strlcpy(pq->quirkname, q.quirkname, sizeof(pq->quirkname));
934 ugen20_root_get_quirk_name(struct libusb20_backend *pbe, uint16_t quirk_index,
935 struct libusb20_quirk *pq)
937 struct usb_gen_quirk q;
940 memset(&q, 0, sizeof(q));
942 q.index = quirk_index;
944 error = ugen20_be_ioctl(USB_QUIRK_NAME_GET, &q);
947 if (errno == EINVAL) {
948 return (LIBUSB20_ERROR_NOT_FOUND);
951 strlcpy(pq->quirkname, q.quirkname, sizeof(pq->quirkname));
957 ugen20_root_add_dev_quirk(struct libusb20_backend *pbe,
958 struct libusb20_quirk *pq)
960 struct usb_gen_quirk q;
963 memset(&q, 0, sizeof(q));
967 q.bcdDeviceLow = pq->bcdDeviceLow;
968 q.bcdDeviceHigh = pq->bcdDeviceHigh;
969 strlcpy(q.quirkname, pq->quirkname, sizeof(q.quirkname));
971 error = ugen20_be_ioctl(USB_DEV_QUIRK_ADD, &q);
973 if (errno == ENOMEM) {
974 return (LIBUSB20_ERROR_NO_MEM);
981 ugen20_root_remove_dev_quirk(struct libusb20_backend *pbe,
982 struct libusb20_quirk *pq)
984 struct usb_gen_quirk q;
987 memset(&q, 0, sizeof(q));
991 q.bcdDeviceLow = pq->bcdDeviceLow;
992 q.bcdDeviceHigh = pq->bcdDeviceHigh;
993 strlcpy(q.quirkname, pq->quirkname, sizeof(q.quirkname));
995 error = ugen20_be_ioctl(USB_DEV_QUIRK_REMOVE, &q);
997 if (errno == EINVAL) {
998 return (LIBUSB20_ERROR_NOT_FOUND);
1005 ugen20_root_set_template(struct libusb20_backend *pbe, int temp)
1007 return (ugen20_be_ioctl(USB_SET_TEMPLATE, &temp));
1011 ugen20_root_get_template(struct libusb20_backend *pbe, int *ptemp)
1013 return (ugen20_be_ioctl(USB_GET_TEMPLATE, ptemp));