1 /* $FreeBSD: src/lib/libusb/libusb20_ugen20.c,v 1.13 2012/04/20 14:29:45 hselasky Exp $ */
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 <bus/u4b/usb.h>
42 #include <bus/u4b/usbdi.h>
43 #include <bus/u4b/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 /* get parent HUB index and port */
200 pdev->parent_address = devinfo.udi_hubindex;
201 pdev->parent_port = devinfo.udi_hubport;
203 /* generate a nice description for printout */
205 snprintf(pdev->usb_desc, sizeof(pdev->usb_desc),
206 USB_GENERIC_NAME "%u.%u: <%s %s> at usbus%u", pdev->bus_number,
207 pdev->device_address, devinfo.udi_product,
208 devinfo.udi_vendor, pdev->bus_number);
216 struct ugen20_urd_state {
217 struct usb_read_dir urd;
224 uint8_t dummy_zero[1];
228 ugen20_readdir(struct ugen20_urd_state *st)
232 if (st->ptr == NULL) {
233 st->urd.urd_startentry += st->nparsed;
234 st->urd.urd_data = libusb20_pass_ptr(st->buf);
235 st->urd.urd_maxlen = sizeof(st->buf);
238 if (ioctl(st->f, USB_READ_DIR, &st->urd)) {
243 if (st->ptr[0] == 0) {
251 st->src = (void *)(st->ptr + 1);
252 st->dst = st->src + strlen(st->src) + 1;
253 st->ptr = st->ptr + st->ptr[0];
256 if ((st->ptr < st->buf) ||
257 (st->ptr > st->dummy_zero)) {
265 ugen20_init_backend(struct libusb20_backend *pbe)
267 struct ugen20_urd_state state;
268 struct libusb20_device *pdev;
270 memset(&state, 0, sizeof(state));
272 state.f = open("/dev/" USB_DEVICE_NAME, O_RDONLY);
274 return (LIBUSB20_ERROR_OTHER);
276 while (ugen20_readdir(&state) == 0) {
278 if ((state.src[0] != 'u') ||
279 (state.src[1] != 'g') ||
280 (state.src[2] != 'e') ||
281 (state.src[3] != 'n')) {
284 pdev = libusb20_dev_alloc();
288 if (ugen20_enumerate(pdev, state.src + 4)) {
289 libusb20_dev_free(pdev);
292 /* put the device on the backend list */
293 libusb20_be_enqueue_device(pbe, pdev);
296 return (0); /* success */
300 ugen20_tr_release(struct libusb20_device *pdev)
302 struct usb_fs_uninit fs_uninit;
304 if (pdev->nTransfer == 0) {
307 /* release all pending USB transfers */
308 if (pdev->privBeData != NULL) {
309 memset(&fs_uninit, 0, sizeof(fs_uninit));
310 if (ioctl(pdev->file, USB_FS_UNINIT, &fs_uninit)) {
311 /* ignore any errors of this kind */
318 ugen20_tr_renew(struct libusb20_device *pdev)
320 struct usb_fs_init fs_init;
321 struct usb_fs_endpoint *pfse;
324 uint16_t nMaxTransfer;
326 nMaxTransfer = pdev->nTransfer;
329 if (nMaxTransfer == 0) {
332 size = nMaxTransfer * sizeof(*pfse);
334 if (pdev->privBeData == NULL) {
337 error = LIBUSB20_ERROR_NO_MEM;
340 pdev->privBeData = pfse;
342 /* reset endpoint data */
343 memset(pdev->privBeData, 0, size);
345 memset(&fs_init, 0, sizeof(fs_init));
347 fs_init.pEndpoints = libusb20_pass_ptr(pdev->privBeData);
348 fs_init.ep_index_max = nMaxTransfer;
350 if (ioctl(pdev->file, USB_FS_INIT, &fs_init)) {
351 error = LIBUSB20_ERROR_OTHER;
359 ugen20_open_device(struct libusb20_device *pdev, uint16_t nMaxTransfer)
367 snprintf(buf, sizeof(buf), "/dev/" USB_GENERIC_NAME "%u.%u",
368 pdev->bus_number, pdev->device_address);
371 * We need two file handles, one for the control endpoint and one
372 * for BULK, INTERRUPT and ISOCHRONOUS transactions due to optimised
375 g = open(buf, O_RDWR);
377 return (LIBUSB20_ERROR_NO_DEVICE);
379 f = open(buf, O_RDWR);
382 return (LIBUSB20_ERROR_NO_DEVICE);
384 if (ioctl(f, USB_GET_PLUGTIME, &plugtime)) {
385 error = LIBUSB20_ERROR_OTHER;
388 /* check that the correct device is still plugged */
389 if (pdev->session_data.plugtime != plugtime) {
390 error = LIBUSB20_ERROR_NO_DEVICE;
393 /* need to set this before "tr_renew()" */
397 /* renew all USB transfers */
398 error = ugen20_tr_renew(pdev);
403 pdev->methods = &libusb20_ugen20_device_methods;
407 if (pdev->privBeData) {
408 /* cleanup after "tr_renew()" */
409 free(pdev->privBeData);
410 pdev->privBeData = NULL;
413 pdev->file_ctrl = -1;
421 ugen20_close_device(struct libusb20_device *pdev)
423 struct usb_fs_uninit fs_uninit;
425 if (pdev->privBeData) {
426 memset(&fs_uninit, 0, sizeof(fs_uninit));
427 if (ioctl(pdev->file, USB_FS_UNINIT, &fs_uninit)) {
428 /* ignore this error */
430 free(pdev->privBeData);
433 pdev->privBeData = NULL;
435 close(pdev->file_ctrl);
437 pdev->file_ctrl = -1;
438 return (0); /* success */
442 ugen20_exit_backend(struct libusb20_backend *pbe)
444 return; /* nothing to do */
448 ugen20_get_config_desc_full(struct libusb20_device *pdev,
449 uint8_t **ppbuf, uint16_t *plen, uint8_t cfg_index)
451 struct usb_gen_descriptor gen_desc;
452 struct usb_config_descriptor cdesc;
457 /* make sure memory is initialised */
458 memset(&cdesc, 0, sizeof(cdesc));
459 memset(&gen_desc, 0, sizeof(gen_desc));
461 gen_desc.ugd_data = libusb20_pass_ptr(&cdesc);
462 gen_desc.ugd_maxlen = sizeof(cdesc);
463 gen_desc.ugd_config_index = cfg_index;
465 error = ioctl(pdev->file_ctrl, USB_GET_FULL_DESC, &gen_desc);
467 return (LIBUSB20_ERROR_OTHER);
469 len = UGETW(cdesc.wTotalLength);
470 if (len < sizeof(cdesc)) {
471 /* corrupt descriptor */
472 return (LIBUSB20_ERROR_OTHER);
476 return (LIBUSB20_ERROR_NO_MEM);
479 /* make sure memory is initialised */
482 gen_desc.ugd_data = libusb20_pass_ptr(ptr);
483 gen_desc.ugd_maxlen = len;
485 error = ioctl(pdev->file_ctrl, USB_GET_FULL_DESC, &gen_desc);
488 return (LIBUSB20_ERROR_OTHER);
490 /* make sure that the device doesn't fool us */
491 memcpy(ptr, &cdesc, sizeof(cdesc));
496 return (0); /* success */
500 ugen20_get_config_index(struct libusb20_device *pdev, uint8_t *pindex)
504 if (ioctl(pdev->file_ctrl, USB_GET_CONFIG, &temp)) {
505 return (LIBUSB20_ERROR_OTHER);
513 ugen20_set_config_index(struct libusb20_device *pdev, uint8_t cfg_index)
515 int temp = cfg_index;
517 /* release all active USB transfers */
518 ugen20_tr_release(pdev);
520 if (ioctl(pdev->file_ctrl, USB_SET_CONFIG, &temp)) {
521 return (LIBUSB20_ERROR_OTHER);
523 return (ugen20_tr_renew(pdev));
527 ugen20_set_alt_index(struct libusb20_device *pdev,
528 uint8_t iface_index, uint8_t alt_index)
530 struct usb_alt_interface alt_iface;
532 memset(&alt_iface, 0, sizeof(alt_iface));
534 alt_iface.uai_interface_index = iface_index;
535 alt_iface.uai_alt_index = alt_index;
537 /* release all active USB transfers */
538 ugen20_tr_release(pdev);
540 if (ioctl(pdev->file_ctrl, USB_SET_ALTINTERFACE, &alt_iface)) {
541 return (LIBUSB20_ERROR_OTHER);
543 return (ugen20_tr_renew(pdev));
547 ugen20_reset_device(struct libusb20_device *pdev)
551 /* release all active USB transfers */
552 ugen20_tr_release(pdev);
554 if (ioctl(pdev->file_ctrl, USB_DEVICEENUMERATE, &temp)) {
555 return (LIBUSB20_ERROR_OTHER);
557 return (ugen20_tr_renew(pdev));
561 ugen20_check_connected(struct libusb20_device *pdev)
566 if (ioctl(pdev->file_ctrl, USB_GET_PLUGTIME, &plugtime)) {
567 error = LIBUSB20_ERROR_NO_DEVICE;
571 if (pdev->session_data.plugtime != plugtime) {
572 error = LIBUSB20_ERROR_NO_DEVICE;
580 ugen20_set_power_mode(struct libusb20_device *pdev, uint8_t power_mode)
584 switch (power_mode) {
585 case LIBUSB20_POWER_OFF:
586 temp = USB_POWER_MODE_OFF;
588 case LIBUSB20_POWER_ON:
589 temp = USB_POWER_MODE_ON;
591 case LIBUSB20_POWER_SAVE:
592 temp = USB_POWER_MODE_SAVE;
594 case LIBUSB20_POWER_SUSPEND:
595 temp = USB_POWER_MODE_SUSPEND;
597 case LIBUSB20_POWER_RESUME:
598 temp = USB_POWER_MODE_RESUME;
601 return (LIBUSB20_ERROR_INVALID_PARAM);
603 if (ioctl(pdev->file_ctrl, USB_SET_POWER_MODE, &temp)) {
604 return (LIBUSB20_ERROR_OTHER);
610 ugen20_get_power_mode(struct libusb20_device *pdev, uint8_t *power_mode)
614 if (ioctl(pdev->file_ctrl, USB_GET_POWER_MODE, &temp)) {
615 return (LIBUSB20_ERROR_OTHER);
618 case USB_POWER_MODE_OFF:
619 temp = LIBUSB20_POWER_OFF;
621 case USB_POWER_MODE_ON:
622 temp = LIBUSB20_POWER_ON;
624 case USB_POWER_MODE_SAVE:
625 temp = LIBUSB20_POWER_SAVE;
627 case USB_POWER_MODE_SUSPEND:
628 temp = LIBUSB20_POWER_SUSPEND;
630 case USB_POWER_MODE_RESUME:
631 temp = LIBUSB20_POWER_RESUME;
634 temp = LIBUSB20_POWER_ON;
638 return (0); /* success */
642 ugen20_kernel_driver_active(struct libusb20_device *pdev,
645 int temp = iface_index;
647 if (ioctl(pdev->file_ctrl, USB_IFACE_DRIVER_ACTIVE, &temp)) {
648 return (LIBUSB20_ERROR_OTHER);
650 return (0); /* kernel driver is active */
654 ugen20_detach_kernel_driver(struct libusb20_device *pdev,
657 int temp = iface_index;
659 if (ioctl(pdev->file_ctrl, USB_IFACE_DRIVER_DETACH, &temp)) {
660 return (LIBUSB20_ERROR_OTHER);
662 return (0); /* kernel driver is active */
666 ugen20_do_request_sync(struct libusb20_device *pdev,
667 struct LIBUSB20_CONTROL_SETUP_DECODED *setup,
668 void *data, uint16_t *pactlen, uint32_t timeout, uint8_t flags)
670 struct usb_ctl_request req;
672 memset(&req, 0, sizeof(req));
674 req.ucr_data = libusb20_pass_ptr(data);
675 if (!(flags & LIBUSB20_TRANSFER_SINGLE_SHORT_NOT_OK)) {
676 req.ucr_flags |= USB_SHORT_XFER_OK;
678 if (libusb20_me_encode(&req.ucr_request,
679 sizeof(req.ucr_request), setup)) {
682 if (ioctl(pdev->file_ctrl, USB_DO_REQUEST, &req)) {
683 return (LIBUSB20_ERROR_OTHER);
686 /* get actual length */
687 *pactlen = req.ucr_actlen;
689 return (0); /* kernel driver is active */
693 ugen20_process(struct libusb20_device *pdev)
695 struct usb_fs_complete temp;
696 struct usb_fs_endpoint *fsep;
697 struct libusb20_transfer *xfer;
701 if (ioctl(pdev->file, USB_FS_COMPLETE, &temp)) {
702 if (errno == EBUSY) {
705 /* device detached */
706 return (LIBUSB20_ERROR_OTHER);
709 fsep = pdev->privBeData;
710 xfer = pdev->pTransfer;
711 fsep += temp.ep_index;
712 xfer += temp.ep_index;
714 /* update transfer status */
716 if (fsep->status == 0) {
717 xfer->aFrames = fsep->aFrames;
718 xfer->timeComplete = fsep->isoc_time_complete;
719 xfer->status = LIBUSB20_TRANSFER_COMPLETED;
720 } else if (fsep->status == USB_ERR_CANCELLED) {
722 xfer->timeComplete = 0;
723 xfer->status = LIBUSB20_TRANSFER_CANCELLED;
724 } else if (fsep->status == USB_ERR_STALLED) {
726 xfer->timeComplete = 0;
727 xfer->status = LIBUSB20_TRANSFER_STALL;
728 } else if (fsep->status == USB_ERR_TIMEOUT) {
730 xfer->timeComplete = 0;
731 xfer->status = LIBUSB20_TRANSFER_TIMED_OUT;
734 xfer->timeComplete = 0;
735 xfer->status = LIBUSB20_TRANSFER_ERROR;
737 libusb20_tr_callback_wrapper(xfer);
739 return (0); /* done */
743 ugen20_tr_open(struct libusb20_transfer *xfer, uint32_t MaxBufSize,
744 uint32_t MaxFrameCount, uint8_t ep_no, uint8_t pre_scale)
746 struct usb_fs_open temp;
747 struct usb_fs_endpoint *fsep;
750 MaxFrameCount |= USB_FS_MAX_FRAMES_PRE_SCALE;
752 memset(&temp, 0, sizeof(temp));
754 fsep = xfer->pdev->privBeData;
755 fsep += xfer->trIndex;
757 temp.max_bufsize = MaxBufSize;
758 temp.max_frames = MaxFrameCount;
759 temp.ep_index = xfer->trIndex;
762 if (ioctl(xfer->pdev->file, USB_FS_OPEN, &temp)) {
763 return (LIBUSB20_ERROR_INVALID_PARAM);
765 /* maximums might have changed - update */
766 xfer->maxFrames = temp.max_frames;
768 /* "max_bufsize" should be multiple of "max_packet_length" */
769 xfer->maxTotalLength = temp.max_bufsize;
770 xfer->maxPacketLen = temp.max_packet_length;
772 /* setup buffer and length lists using zero copy */
773 fsep->ppBuffer = libusb20_pass_ptr(xfer->ppBuffer);
774 fsep->pLength = libusb20_pass_ptr(xfer->pLength);
776 return (0); /* success */
780 ugen20_tr_close(struct libusb20_transfer *xfer)
782 struct usb_fs_close temp;
784 memset(&temp, 0, sizeof(temp));
786 temp.ep_index = xfer->trIndex;
788 if (ioctl(xfer->pdev->file, USB_FS_CLOSE, &temp)) {
789 return (LIBUSB20_ERROR_INVALID_PARAM);
791 return (0); /* success */
795 ugen20_tr_clear_stall_sync(struct libusb20_transfer *xfer)
797 struct usb_fs_clear_stall_sync temp;
799 memset(&temp, 0, sizeof(temp));
801 /* if the transfer is active, an error will be returned */
803 temp.ep_index = xfer->trIndex;
805 if (ioctl(xfer->pdev->file, USB_FS_CLEAR_STALL_SYNC, &temp)) {
806 return (LIBUSB20_ERROR_INVALID_PARAM);
808 return (0); /* success */
812 ugen20_tr_submit(struct libusb20_transfer *xfer)
814 struct usb_fs_start temp;
815 struct usb_fs_endpoint *fsep;
817 memset(&temp, 0, sizeof(temp));
819 fsep = xfer->pdev->privBeData;
820 fsep += xfer->trIndex;
822 fsep->nFrames = xfer->nFrames;
824 if (!(xfer->flags & LIBUSB20_TRANSFER_SINGLE_SHORT_NOT_OK)) {
825 fsep->flags |= USB_FS_FLAG_SINGLE_SHORT_OK;
827 if (!(xfer->flags & LIBUSB20_TRANSFER_MULTI_SHORT_NOT_OK)) {
828 fsep->flags |= USB_FS_FLAG_MULTI_SHORT_OK;
830 if (xfer->flags & LIBUSB20_TRANSFER_FORCE_SHORT) {
831 fsep->flags |= USB_FS_FLAG_FORCE_SHORT;
833 if (xfer->flags & LIBUSB20_TRANSFER_DO_CLEAR_STALL) {
834 fsep->flags |= USB_FS_FLAG_CLEAR_STALL;
836 /* NOTE: The "fsep->timeout" variable is 16-bit. */
837 if (xfer->timeout > 65535)
838 fsep->timeout = 65535;
840 fsep->timeout = xfer->timeout;
842 temp.ep_index = xfer->trIndex;
844 if (ioctl(xfer->pdev->file, USB_FS_START, &temp)) {
845 /* ignore any errors - should never happen */
847 return; /* success */
851 ugen20_tr_cancel_async(struct libusb20_transfer *xfer)
853 struct usb_fs_stop temp;
855 memset(&temp, 0, sizeof(temp));
857 temp.ep_index = xfer->trIndex;
859 if (ioctl(xfer->pdev->file, USB_FS_STOP, &temp)) {
860 /* ignore any errors - should never happen */
866 ugen20_be_ioctl(uint32_t cmd, void *data)
871 f = open("/dev/" USB_DEVICE_NAME, O_RDONLY);
873 return (LIBUSB20_ERROR_OTHER);
874 error = ioctl(f, cmd, data);
876 if (errno == EPERM) {
877 error = LIBUSB20_ERROR_ACCESS;
879 error = LIBUSB20_ERROR_OTHER;
887 ugen20_dev_get_iface_desc(struct libusb20_device *pdev,
888 uint8_t iface_index, char *buf, uint8_t len)
890 struct usb_gen_descriptor ugd;
892 memset(&ugd, 0, sizeof(ugd));
894 ugd.ugd_data = libusb20_pass_ptr(buf);
895 ugd.ugd_maxlen = len;
896 ugd.ugd_iface_index = iface_index;
898 if (ioctl(pdev->file, USB_GET_IFACE_DRIVER, &ugd)) {
899 return (LIBUSB20_ERROR_INVALID_PARAM);
905 ugen20_dev_get_info(struct libusb20_device *pdev,
906 struct usb_device_info *pinfo)
908 if (ioctl(pdev->file, USB_GET_DEVICEINFO, pinfo)) {
909 return (LIBUSB20_ERROR_INVALID_PARAM);
915 ugen20_root_get_dev_quirk(struct libusb20_backend *pbe,
916 uint16_t quirk_index, struct libusb20_quirk *pq)
918 struct usb_gen_quirk q;
921 memset(&q, 0, sizeof(q));
923 q.index = quirk_index;
925 error = ugen20_be_ioctl(USB_DEV_QUIRK_GET, &q);
928 if (errno == EINVAL) {
929 return (LIBUSB20_ERROR_NOT_FOUND);
934 pq->bcdDeviceLow = q.bcdDeviceLow;
935 pq->bcdDeviceHigh = q.bcdDeviceHigh;
936 strlcpy(pq->quirkname, q.quirkname, sizeof(pq->quirkname));
942 ugen20_root_get_quirk_name(struct libusb20_backend *pbe, uint16_t quirk_index,
943 struct libusb20_quirk *pq)
945 struct usb_gen_quirk q;
948 memset(&q, 0, sizeof(q));
950 q.index = quirk_index;
952 error = ugen20_be_ioctl(USB_QUIRK_NAME_GET, &q);
955 if (errno == EINVAL) {
956 return (LIBUSB20_ERROR_NOT_FOUND);
959 strlcpy(pq->quirkname, q.quirkname, sizeof(pq->quirkname));
965 ugen20_root_add_dev_quirk(struct libusb20_backend *pbe,
966 struct libusb20_quirk *pq)
968 struct usb_gen_quirk q;
971 memset(&q, 0, sizeof(q));
975 q.bcdDeviceLow = pq->bcdDeviceLow;
976 q.bcdDeviceHigh = pq->bcdDeviceHigh;
977 strlcpy(q.quirkname, pq->quirkname, sizeof(q.quirkname));
979 error = ugen20_be_ioctl(USB_DEV_QUIRK_ADD, &q);
981 if (errno == ENOMEM) {
982 return (LIBUSB20_ERROR_NO_MEM);
989 ugen20_root_remove_dev_quirk(struct libusb20_backend *pbe,
990 struct libusb20_quirk *pq)
992 struct usb_gen_quirk q;
995 memset(&q, 0, sizeof(q));
999 q.bcdDeviceLow = pq->bcdDeviceLow;
1000 q.bcdDeviceHigh = pq->bcdDeviceHigh;
1001 strlcpy(q.quirkname, pq->quirkname, sizeof(q.quirkname));
1003 error = ugen20_be_ioctl(USB_DEV_QUIRK_REMOVE, &q);
1005 if (errno == EINVAL) {
1006 return (LIBUSB20_ERROR_NOT_FOUND);
1013 ugen20_root_set_template(struct libusb20_backend *pbe, int temp)
1015 return (ugen20_be_ioctl(USB_SET_TEMPLATE, &temp));
1019 ugen20_root_get_template(struct libusb20_backend *pbe, int *ptemp)
1021 return (ugen20_be_ioctl(USB_GET_TEMPLATE, ptemp));