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 #ifdef LIBUSB_GLOBAL_INCLUDE_FILE
28 #include LIBUSB_GLOBAL_INCLUDE_FILE
37 #include <sys/queue.h>
38 #include <sys/types.h>
41 #include <dev/usb/usb.h>
42 #include <dev/usb/usbdi.h>
43 #include <dev/usb/usb_ioctl.h>
46 #include "libusb20_desc.h"
47 #include "libusb20_int.h"
49 static libusb20_init_backend_t ugen20_init_backend;
50 static libusb20_open_device_t ugen20_open_device;
51 static libusb20_close_device_t ugen20_close_device;
52 static libusb20_get_backend_name_t ugen20_get_backend_name;
53 static libusb20_exit_backend_t ugen20_exit_backend;
54 static libusb20_dev_get_iface_desc_t ugen20_dev_get_iface_desc;
55 static libusb20_dev_get_info_t ugen20_dev_get_info;
56 static libusb20_root_get_dev_quirk_t ugen20_root_get_dev_quirk;
57 static libusb20_root_get_quirk_name_t ugen20_root_get_quirk_name;
58 static libusb20_root_add_dev_quirk_t ugen20_root_add_dev_quirk;
59 static libusb20_root_remove_dev_quirk_t ugen20_root_remove_dev_quirk;
60 static libusb20_root_set_template_t ugen20_root_set_template;
61 static libusb20_root_get_template_t ugen20_root_get_template;
63 const struct libusb20_backend_methods libusb20_ugen20_backend = {
64 LIBUSB20_BACKEND(LIBUSB20_DECLARE, ugen20)
67 /* USB device specific */
68 static libusb20_get_config_desc_full_t ugen20_get_config_desc_full;
69 static libusb20_get_config_index_t ugen20_get_config_index;
70 static libusb20_set_config_index_t ugen20_set_config_index;
71 static libusb20_set_alt_index_t ugen20_set_alt_index;
72 static libusb20_reset_device_t ugen20_reset_device;
73 static libusb20_check_connected_t ugen20_check_connected;
74 static libusb20_set_power_mode_t ugen20_set_power_mode;
75 static libusb20_get_power_mode_t ugen20_get_power_mode;
76 static libusb20_get_power_usage_t ugen20_get_power_usage;
77 static libusb20_kernel_driver_active_t ugen20_kernel_driver_active;
78 static libusb20_detach_kernel_driver_t ugen20_detach_kernel_driver;
79 static libusb20_do_request_sync_t ugen20_do_request_sync;
80 static libusb20_process_t ugen20_process;
82 /* USB transfer specific */
83 static libusb20_tr_open_t ugen20_tr_open;
84 static libusb20_tr_close_t ugen20_tr_close;
85 static libusb20_tr_clear_stall_sync_t ugen20_tr_clear_stall_sync;
86 static libusb20_tr_submit_t ugen20_tr_submit;
87 static libusb20_tr_cancel_async_t ugen20_tr_cancel_async;
89 static const struct libusb20_device_methods libusb20_ugen20_device_methods = {
90 LIBUSB20_DEVICE(LIBUSB20_DECLARE, ugen20)
94 ugen20_get_backend_name(void)
96 return ("FreeBSD UGEN 2.0");
100 ugen20_path_convert_one(const char **pp)
107 while ((*ptr >= '0') && (*ptr <= '9')) {
109 temp += (*ptr - '0');
110 if (temp >= 1000000) {
111 /* catch overflow early */
127 ugen20_enumerate(struct libusb20_device *pdev, const char *id)
129 const char *tmp = id;
130 struct usb_device_descriptor ddesc;
131 struct usb_device_info devinfo;
137 pdev->bus_number = ugen20_path_convert_one(&tmp);
138 pdev->device_address = ugen20_path_convert_one(&tmp);
140 snprintf(buf, sizeof(buf), "/dev/" USB_GENERIC_NAME "%u.%u",
141 pdev->bus_number, pdev->device_address);
143 f = open(buf, O_RDWR);
145 return (LIBUSB20_ERROR_OTHER);
147 if (ioctl(f, USB_GET_PLUGTIME, &plugtime)) {
148 error = LIBUSB20_ERROR_OTHER;
151 /* store when the device was plugged */
152 pdev->session_data.plugtime = plugtime;
154 if (ioctl(f, USB_GET_DEVICE_DESC, &ddesc)) {
155 error = LIBUSB20_ERROR_OTHER;
158 LIBUSB20_INIT(LIBUSB20_DEVICE_DESC, &(pdev->ddesc));
160 libusb20_me_decode(&ddesc, sizeof(ddesc), &(pdev->ddesc));
162 if (pdev->ddesc.bNumConfigurations == 0) {
163 error = LIBUSB20_ERROR_OTHER;
165 } else if (pdev->ddesc.bNumConfigurations >= 8) {
166 error = LIBUSB20_ERROR_OTHER;
169 if (ioctl(f, USB_GET_DEVICEINFO, &devinfo)) {
170 error = LIBUSB20_ERROR_OTHER;
173 switch (devinfo.udi_mode) {
174 case USB_MODE_DEVICE:
175 pdev->usb_mode = LIBUSB20_MODE_DEVICE;
178 pdev->usb_mode = LIBUSB20_MODE_HOST;
182 switch (devinfo.udi_speed) {
184 pdev->usb_speed = LIBUSB20_SPEED_LOW;
187 pdev->usb_speed = LIBUSB20_SPEED_FULL;
190 pdev->usb_speed = LIBUSB20_SPEED_HIGH;
192 case USB_SPEED_VARIABLE:
193 pdev->usb_speed = LIBUSB20_SPEED_VARIABLE;
195 case USB_SPEED_SUPER:
196 pdev->usb_speed = LIBUSB20_SPEED_SUPER;
199 pdev->usb_speed = LIBUSB20_SPEED_UNKNOWN;
203 /* get parent HUB index and port */
205 pdev->parent_address = devinfo.udi_hubindex;
206 pdev->parent_port = devinfo.udi_hubport;
208 /* generate a nice description for printout */
210 snprintf(pdev->usb_desc, sizeof(pdev->usb_desc),
211 USB_GENERIC_NAME "%u.%u: <%s %s> at usbus%u", pdev->bus_number,
212 pdev->device_address, devinfo.udi_product,
213 devinfo.udi_vendor, pdev->bus_number);
221 struct ugen20_urd_state {
222 struct usb_read_dir urd;
229 uint8_t dummy_zero[1];
233 ugen20_readdir(struct ugen20_urd_state *st)
237 if (st->ptr == NULL) {
238 st->urd.urd_startentry += st->nparsed;
239 st->urd.urd_data = libusb20_pass_ptr(st->buf);
240 st->urd.urd_maxlen = sizeof(st->buf);
243 if (ioctl(st->f, USB_READ_DIR, &st->urd)) {
248 if (st->ptr[0] == 0) {
256 st->src = (void *)(st->ptr + 1);
257 st->dst = st->src + strlen(st->src) + 1;
258 st->ptr = st->ptr + st->ptr[0];
261 if ((st->ptr < st->buf) ||
262 (st->ptr > st->dummy_zero)) {
270 ugen20_init_backend(struct libusb20_backend *pbe)
272 struct ugen20_urd_state state;
273 struct libusb20_device *pdev;
275 memset(&state, 0, sizeof(state));
277 state.f = open("/dev/" USB_DEVICE_NAME, O_RDONLY);
279 return (LIBUSB20_ERROR_OTHER);
281 while (ugen20_readdir(&state) == 0) {
283 if ((state.src[0] != 'u') ||
284 (state.src[1] != 'g') ||
285 (state.src[2] != 'e') ||
286 (state.src[3] != 'n')) {
289 pdev = libusb20_dev_alloc();
293 if (ugen20_enumerate(pdev, state.src + 4)) {
294 libusb20_dev_free(pdev);
297 /* put the device on the backend list */
298 libusb20_be_enqueue_device(pbe, pdev);
301 return (0); /* success */
305 ugen20_tr_release(struct libusb20_device *pdev)
307 struct usb_fs_uninit fs_uninit;
309 if (pdev->nTransfer == 0) {
312 /* release all pending USB transfers */
313 if (pdev->privBeData != NULL) {
314 memset(&fs_uninit, 0, sizeof(fs_uninit));
315 if (ioctl(pdev->file, USB_FS_UNINIT, &fs_uninit)) {
316 /* ignore any errors of this kind */
323 ugen20_tr_renew(struct libusb20_device *pdev)
325 struct usb_fs_init fs_init;
326 struct usb_fs_endpoint *pfse;
329 uint16_t nMaxTransfer;
331 nMaxTransfer = pdev->nTransfer;
334 if (nMaxTransfer == 0) {
337 size = nMaxTransfer * sizeof(*pfse);
339 if (pdev->privBeData == NULL) {
342 error = LIBUSB20_ERROR_NO_MEM;
345 pdev->privBeData = pfse;
347 /* reset endpoint data */
348 memset(pdev->privBeData, 0, size);
350 memset(&fs_init, 0, sizeof(fs_init));
352 fs_init.pEndpoints = libusb20_pass_ptr(pdev->privBeData);
353 fs_init.ep_index_max = nMaxTransfer;
355 if (ioctl(pdev->file, USB_FS_INIT, &fs_init)) {
356 error = LIBUSB20_ERROR_OTHER;
364 ugen20_open_device(struct libusb20_device *pdev, uint16_t nMaxTransfer)
372 snprintf(buf, sizeof(buf), "/dev/" USB_GENERIC_NAME "%u.%u",
373 pdev->bus_number, pdev->device_address);
376 * We need two file handles, one for the control endpoint and one
377 * for BULK, INTERRUPT and ISOCHRONOUS transactions due to optimised
380 g = open(buf, O_RDWR);
382 return (LIBUSB20_ERROR_NO_DEVICE);
384 f = open(buf, O_RDWR);
387 return (LIBUSB20_ERROR_NO_DEVICE);
389 if (ioctl(f, USB_GET_PLUGTIME, &plugtime)) {
390 error = LIBUSB20_ERROR_OTHER;
393 /* check that the correct device is still plugged */
394 if (pdev->session_data.plugtime != plugtime) {
395 error = LIBUSB20_ERROR_NO_DEVICE;
398 /* need to set this before "tr_renew()" */
402 /* renew all USB transfers */
403 error = ugen20_tr_renew(pdev);
408 pdev->methods = &libusb20_ugen20_device_methods;
412 if (pdev->privBeData) {
413 /* cleanup after "tr_renew()" */
414 free(pdev->privBeData);
415 pdev->privBeData = NULL;
418 pdev->file_ctrl = -1;
426 ugen20_close_device(struct libusb20_device *pdev)
428 struct usb_fs_uninit fs_uninit;
430 if (pdev->privBeData) {
431 memset(&fs_uninit, 0, sizeof(fs_uninit));
432 if (ioctl(pdev->file, USB_FS_UNINIT, &fs_uninit)) {
433 /* ignore this error */
435 free(pdev->privBeData);
438 pdev->privBeData = NULL;
440 close(pdev->file_ctrl);
442 pdev->file_ctrl = -1;
443 return (0); /* success */
447 ugen20_exit_backend(struct libusb20_backend *pbe)
449 return; /* nothing to do */
453 ugen20_get_config_desc_full(struct libusb20_device *pdev,
454 uint8_t **ppbuf, uint16_t *plen, uint8_t cfg_index)
456 struct usb_gen_descriptor gen_desc;
457 struct usb_config_descriptor cdesc;
462 /* make sure memory is initialised */
463 memset(&cdesc, 0, sizeof(cdesc));
464 memset(&gen_desc, 0, sizeof(gen_desc));
466 gen_desc.ugd_data = libusb20_pass_ptr(&cdesc);
467 gen_desc.ugd_maxlen = sizeof(cdesc);
468 gen_desc.ugd_config_index = cfg_index;
470 error = ioctl(pdev->file_ctrl, USB_GET_FULL_DESC, &gen_desc);
472 return (LIBUSB20_ERROR_OTHER);
474 len = UGETW(cdesc.wTotalLength);
475 if (len < sizeof(cdesc)) {
476 /* corrupt descriptor */
477 return (LIBUSB20_ERROR_OTHER);
481 return (LIBUSB20_ERROR_NO_MEM);
484 /* make sure memory is initialised */
487 gen_desc.ugd_data = libusb20_pass_ptr(ptr);
488 gen_desc.ugd_maxlen = len;
490 error = ioctl(pdev->file_ctrl, USB_GET_FULL_DESC, &gen_desc);
493 return (LIBUSB20_ERROR_OTHER);
495 /* make sure that the device doesn't fool us */
496 memcpy(ptr, &cdesc, sizeof(cdesc));
501 return (0); /* success */
505 ugen20_get_config_index(struct libusb20_device *pdev, uint8_t *pindex)
509 if (ioctl(pdev->file_ctrl, USB_GET_CONFIG, &temp)) {
510 return (LIBUSB20_ERROR_OTHER);
518 ugen20_set_config_index(struct libusb20_device *pdev, uint8_t cfg_index)
520 int temp = cfg_index;
522 /* release all active USB transfers */
523 ugen20_tr_release(pdev);
525 if (ioctl(pdev->file_ctrl, USB_SET_CONFIG, &temp)) {
526 return (LIBUSB20_ERROR_OTHER);
528 return (ugen20_tr_renew(pdev));
532 ugen20_set_alt_index(struct libusb20_device *pdev,
533 uint8_t iface_index, uint8_t alt_index)
535 struct usb_alt_interface alt_iface;
537 memset(&alt_iface, 0, sizeof(alt_iface));
539 alt_iface.uai_interface_index = iface_index;
540 alt_iface.uai_alt_index = alt_index;
542 /* release all active USB transfers */
543 ugen20_tr_release(pdev);
545 if (ioctl(pdev->file_ctrl, USB_SET_ALTINTERFACE, &alt_iface)) {
546 return (LIBUSB20_ERROR_OTHER);
548 return (ugen20_tr_renew(pdev));
552 ugen20_reset_device(struct libusb20_device *pdev)
556 /* release all active USB transfers */
557 ugen20_tr_release(pdev);
559 if (ioctl(pdev->file_ctrl, USB_DEVICEENUMERATE, &temp)) {
560 return (LIBUSB20_ERROR_OTHER);
562 return (ugen20_tr_renew(pdev));
566 ugen20_check_connected(struct libusb20_device *pdev)
571 if (ioctl(pdev->file_ctrl, USB_GET_PLUGTIME, &plugtime)) {
572 error = LIBUSB20_ERROR_NO_DEVICE;
576 if (pdev->session_data.plugtime != plugtime) {
577 error = LIBUSB20_ERROR_NO_DEVICE;
585 ugen20_set_power_mode(struct libusb20_device *pdev, uint8_t power_mode)
589 switch (power_mode) {
590 case LIBUSB20_POWER_OFF:
591 temp = USB_POWER_MODE_OFF;
593 case LIBUSB20_POWER_ON:
594 temp = USB_POWER_MODE_ON;
596 case LIBUSB20_POWER_SAVE:
597 temp = USB_POWER_MODE_SAVE;
599 case LIBUSB20_POWER_SUSPEND:
600 temp = USB_POWER_MODE_SUSPEND;
602 case LIBUSB20_POWER_RESUME:
603 temp = USB_POWER_MODE_RESUME;
606 return (LIBUSB20_ERROR_INVALID_PARAM);
608 if (ioctl(pdev->file_ctrl, USB_SET_POWER_MODE, &temp)) {
609 return (LIBUSB20_ERROR_OTHER);
615 ugen20_get_power_mode(struct libusb20_device *pdev, uint8_t *power_mode)
619 if (ioctl(pdev->file_ctrl, USB_GET_POWER_MODE, &temp)) {
620 return (LIBUSB20_ERROR_OTHER);
623 case USB_POWER_MODE_OFF:
624 temp = LIBUSB20_POWER_OFF;
626 case USB_POWER_MODE_ON:
627 temp = LIBUSB20_POWER_ON;
629 case USB_POWER_MODE_SAVE:
630 temp = LIBUSB20_POWER_SAVE;
632 case USB_POWER_MODE_SUSPEND:
633 temp = LIBUSB20_POWER_SUSPEND;
635 case USB_POWER_MODE_RESUME:
636 temp = LIBUSB20_POWER_RESUME;
639 temp = LIBUSB20_POWER_ON;
643 return (0); /* success */
647 ugen20_get_power_usage(struct libusb20_device *pdev, uint16_t *power_usage)
651 if (ioctl(pdev->file_ctrl, USB_GET_POWER_USAGE, &temp)) {
652 return (LIBUSB20_ERROR_OTHER);
655 return (0); /* success */
659 ugen20_kernel_driver_active(struct libusb20_device *pdev,
662 int temp = iface_index;
664 if (ioctl(pdev->file_ctrl, USB_IFACE_DRIVER_ACTIVE, &temp)) {
665 return (LIBUSB20_ERROR_OTHER);
667 return (0); /* kernel driver is active */
671 ugen20_detach_kernel_driver(struct libusb20_device *pdev,
674 int temp = iface_index;
676 if (ioctl(pdev->file_ctrl, USB_IFACE_DRIVER_DETACH, &temp)) {
677 return (LIBUSB20_ERROR_OTHER);
679 return (0); /* kernel driver is active */
683 ugen20_do_request_sync(struct libusb20_device *pdev,
684 struct LIBUSB20_CONTROL_SETUP_DECODED *setup,
685 void *data, uint16_t *pactlen, uint32_t timeout, uint8_t flags)
687 struct usb_ctl_request req;
689 memset(&req, 0, sizeof(req));
691 req.ucr_data = libusb20_pass_ptr(data);
692 if (!(flags & LIBUSB20_TRANSFER_SINGLE_SHORT_NOT_OK)) {
693 req.ucr_flags |= USB_SHORT_XFER_OK;
695 if (libusb20_me_encode(&req.ucr_request,
696 sizeof(req.ucr_request), setup)) {
699 if (ioctl(pdev->file_ctrl, USB_DO_REQUEST, &req)) {
700 return (LIBUSB20_ERROR_OTHER);
703 /* get actual length */
704 *pactlen = req.ucr_actlen;
706 return (0); /* kernel driver is active */
710 ugen20_process(struct libusb20_device *pdev)
712 struct usb_fs_complete temp;
713 struct usb_fs_endpoint *fsep;
714 struct libusb20_transfer *xfer;
718 if (ioctl(pdev->file, USB_FS_COMPLETE, &temp)) {
719 if (errno == EBUSY) {
722 /* device detached */
723 return (LIBUSB20_ERROR_OTHER);
726 fsep = pdev->privBeData;
727 xfer = pdev->pTransfer;
728 fsep += temp.ep_index;
729 xfer += temp.ep_index;
731 /* update transfer status */
733 if (fsep->status == 0) {
734 xfer->aFrames = fsep->aFrames;
735 xfer->timeComplete = fsep->isoc_time_complete;
736 xfer->status = LIBUSB20_TRANSFER_COMPLETED;
737 } else if (fsep->status == USB_ERR_CANCELLED) {
739 xfer->timeComplete = 0;
740 xfer->status = LIBUSB20_TRANSFER_CANCELLED;
741 } else if (fsep->status == USB_ERR_STALLED) {
743 xfer->timeComplete = 0;
744 xfer->status = LIBUSB20_TRANSFER_STALL;
745 } else if (fsep->status == USB_ERR_TIMEOUT) {
747 xfer->timeComplete = 0;
748 xfer->status = LIBUSB20_TRANSFER_TIMED_OUT;
751 xfer->timeComplete = 0;
752 xfer->status = LIBUSB20_TRANSFER_ERROR;
754 libusb20_tr_callback_wrapper(xfer);
756 return (0); /* done */
760 ugen20_tr_open(struct libusb20_transfer *xfer, uint32_t MaxBufSize,
761 uint32_t MaxFrameCount, uint8_t ep_no, uint16_t stream_id,
765 struct usb_fs_open fs_open;
766 struct usb_fs_open_stream fs_open_stream;
768 struct usb_fs_endpoint *fsep;
771 MaxFrameCount |= USB_FS_MAX_FRAMES_PRE_SCALE;
773 memset(&temp, 0, sizeof(temp));
775 fsep = xfer->pdev->privBeData;
776 fsep += xfer->trIndex;
778 temp.fs_open.max_bufsize = MaxBufSize;
779 temp.fs_open.max_frames = MaxFrameCount;
780 temp.fs_open.ep_index = xfer->trIndex;
781 temp.fs_open.ep_no = ep_no;
783 if (stream_id != 0) {
784 temp.fs_open_stream.stream_id = stream_id;
786 if (ioctl(xfer->pdev->file, USB_FS_OPEN_STREAM, &temp.fs_open_stream))
787 return (LIBUSB20_ERROR_INVALID_PARAM);
789 if (ioctl(xfer->pdev->file, USB_FS_OPEN, &temp.fs_open))
790 return (LIBUSB20_ERROR_INVALID_PARAM);
792 /* maximums might have changed - update */
793 xfer->maxFrames = temp.fs_open.max_frames;
795 /* "max_bufsize" should be multiple of "max_packet_length" */
796 xfer->maxTotalLength = temp.fs_open.max_bufsize;
797 xfer->maxPacketLen = temp.fs_open.max_packet_length;
799 /* setup buffer and length lists using zero copy */
800 fsep->ppBuffer = libusb20_pass_ptr(xfer->ppBuffer);
801 fsep->pLength = libusb20_pass_ptr(xfer->pLength);
803 return (0); /* success */
807 ugen20_tr_close(struct libusb20_transfer *xfer)
809 struct usb_fs_close temp;
811 memset(&temp, 0, sizeof(temp));
813 temp.ep_index = xfer->trIndex;
815 if (ioctl(xfer->pdev->file, USB_FS_CLOSE, &temp)) {
816 return (LIBUSB20_ERROR_INVALID_PARAM);
818 return (0); /* success */
822 ugen20_tr_clear_stall_sync(struct libusb20_transfer *xfer)
824 struct usb_fs_clear_stall_sync temp;
826 memset(&temp, 0, sizeof(temp));
828 /* if the transfer is active, an error will be returned */
830 temp.ep_index = xfer->trIndex;
832 if (ioctl(xfer->pdev->file, USB_FS_CLEAR_STALL_SYNC, &temp)) {
833 return (LIBUSB20_ERROR_INVALID_PARAM);
835 return (0); /* success */
839 ugen20_tr_submit(struct libusb20_transfer *xfer)
841 struct usb_fs_start temp;
842 struct usb_fs_endpoint *fsep;
844 memset(&temp, 0, sizeof(temp));
846 fsep = xfer->pdev->privBeData;
847 fsep += xfer->trIndex;
849 fsep->nFrames = xfer->nFrames;
851 if (!(xfer->flags & LIBUSB20_TRANSFER_SINGLE_SHORT_NOT_OK)) {
852 fsep->flags |= USB_FS_FLAG_SINGLE_SHORT_OK;
854 if (!(xfer->flags & LIBUSB20_TRANSFER_MULTI_SHORT_NOT_OK)) {
855 fsep->flags |= USB_FS_FLAG_MULTI_SHORT_OK;
857 if (xfer->flags & LIBUSB20_TRANSFER_FORCE_SHORT) {
858 fsep->flags |= USB_FS_FLAG_FORCE_SHORT;
860 if (xfer->flags & LIBUSB20_TRANSFER_DO_CLEAR_STALL) {
861 fsep->flags |= USB_FS_FLAG_CLEAR_STALL;
863 /* NOTE: The "fsep->timeout" variable is 16-bit. */
864 if (xfer->timeout > 65535)
865 fsep->timeout = 65535;
867 fsep->timeout = xfer->timeout;
869 temp.ep_index = xfer->trIndex;
871 if (ioctl(xfer->pdev->file, USB_FS_START, &temp)) {
872 /* ignore any errors - should never happen */
874 return; /* success */
878 ugen20_tr_cancel_async(struct libusb20_transfer *xfer)
880 struct usb_fs_stop temp;
882 memset(&temp, 0, sizeof(temp));
884 temp.ep_index = xfer->trIndex;
886 if (ioctl(xfer->pdev->file, USB_FS_STOP, &temp)) {
887 /* ignore any errors - should never happen */
893 ugen20_be_ioctl(uint32_t cmd, void *data)
898 f = open("/dev/" USB_DEVICE_NAME, O_RDONLY);
900 return (LIBUSB20_ERROR_OTHER);
901 error = ioctl(f, cmd, data);
903 if (errno == EPERM) {
904 error = LIBUSB20_ERROR_ACCESS;
906 error = LIBUSB20_ERROR_OTHER;
914 ugen20_dev_get_iface_desc(struct libusb20_device *pdev,
915 uint8_t iface_index, char *buf, uint8_t len)
917 struct usb_gen_descriptor ugd;
919 memset(&ugd, 0, sizeof(ugd));
921 ugd.ugd_data = libusb20_pass_ptr(buf);
922 ugd.ugd_maxlen = len;
923 ugd.ugd_iface_index = iface_index;
925 if (ioctl(pdev->file, USB_GET_IFACE_DRIVER, &ugd)) {
926 return (LIBUSB20_ERROR_INVALID_PARAM);
932 ugen20_dev_get_info(struct libusb20_device *pdev,
933 struct usb_device_info *pinfo)
935 if (ioctl(pdev->file, USB_GET_DEVICEINFO, pinfo)) {
936 return (LIBUSB20_ERROR_INVALID_PARAM);
942 ugen20_root_get_dev_quirk(struct libusb20_backend *pbe,
943 uint16_t quirk_index, 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_DEV_QUIRK_GET, &q);
955 if (errno == EINVAL) {
956 return (LIBUSB20_ERROR_NOT_FOUND);
961 pq->bcdDeviceLow = q.bcdDeviceLow;
962 pq->bcdDeviceHigh = q.bcdDeviceHigh;
963 strlcpy(pq->quirkname, q.quirkname, sizeof(pq->quirkname));
969 ugen20_root_get_quirk_name(struct libusb20_backend *pbe, uint16_t quirk_index,
970 struct libusb20_quirk *pq)
972 struct usb_gen_quirk q;
975 memset(&q, 0, sizeof(q));
977 q.index = quirk_index;
979 error = ugen20_be_ioctl(USB_QUIRK_NAME_GET, &q);
982 if (errno == EINVAL) {
983 return (LIBUSB20_ERROR_NOT_FOUND);
986 strlcpy(pq->quirkname, q.quirkname, sizeof(pq->quirkname));
992 ugen20_root_add_dev_quirk(struct libusb20_backend *pbe,
993 struct libusb20_quirk *pq)
995 struct usb_gen_quirk q;
998 memset(&q, 0, sizeof(q));
1002 q.bcdDeviceLow = pq->bcdDeviceLow;
1003 q.bcdDeviceHigh = pq->bcdDeviceHigh;
1004 strlcpy(q.quirkname, pq->quirkname, sizeof(q.quirkname));
1006 error = ugen20_be_ioctl(USB_DEV_QUIRK_ADD, &q);
1008 if (errno == ENOMEM) {
1009 return (LIBUSB20_ERROR_NO_MEM);
1016 ugen20_root_remove_dev_quirk(struct libusb20_backend *pbe,
1017 struct libusb20_quirk *pq)
1019 struct usb_gen_quirk q;
1022 memset(&q, 0, sizeof(q));
1026 q.bcdDeviceLow = pq->bcdDeviceLow;
1027 q.bcdDeviceHigh = pq->bcdDeviceHigh;
1028 strlcpy(q.quirkname, pq->quirkname, sizeof(q.quirkname));
1030 error = ugen20_be_ioctl(USB_DEV_QUIRK_REMOVE, &q);
1032 if (errno == EINVAL) {
1033 return (LIBUSB20_ERROR_NOT_FOUND);
1040 ugen20_root_set_template(struct libusb20_backend *pbe, int temp)
1042 return (ugen20_be_ioctl(USB_SET_TEMPLATE, &temp));
1046 ugen20_root_get_template(struct libusb20_backend *pbe, int *ptemp)
1048 return (ugen20_be_ioctl(USB_GET_TEMPLATE, ptemp));