Lines Matching +full:conf +full:- +full:pd
1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
4 * Copyright (c) 2006-2023 Hans Petter Selasky
28 * usb_dev.c - An abstraction layer for creating devices under /dev/...
56 #include <sys/conf.h>
162 /*------------------------------------------------------------------------*
167 *------------------------------------------------------------------------*/
169 usb_loc_fill(struct usb_fs_privdata* pd, struct usb_cdev_privdata *cpd) in usb_loc_fill() argument
171 cpd->bus_index = pd->bus_index; in usb_loc_fill()
172 cpd->dev_index = pd->dev_index; in usb_loc_fill()
173 cpd->ep_addr = pd->ep_addr; in usb_loc_fill()
174 cpd->fifo_index = pd->fifo_index; in usb_loc_fill()
177 /*------------------------------------------------------------------------*
187 *------------------------------------------------------------------------*/
201 cpd->bus = devclass_get_softc(usb_devclass_ptr, cpd->bus_index); in usb_ref_device()
202 if (cpd->bus == NULL) { in usb_ref_device()
203 DPRINTFN(2, "no bus at %u\n", cpd->bus_index); in usb_ref_device()
206 cpd->udev = cpd->bus->devices[cpd->dev_index]; in usb_ref_device()
207 if (cpd->udev == NULL) { in usb_ref_device()
208 DPRINTFN(2, "no device at %u\n", cpd->dev_index); in usb_ref_device()
211 if (cpd->udev->state == USB_STATE_DETACHED && in usb_ref_device()
217 DPRINTFN(2, "ref udev - needed\n"); in usb_ref_device()
219 if (cpd->udev->refcount == USB_DEV_REF_MAX) { in usb_ref_device()
223 cpd->udev->refcount++; in usb_ref_device()
228 * We need to grab the enumeration SX-lock before in usb_ref_device()
231 crd->do_unlock = usbd_enum_lock_sig(cpd->udev); in usb_ref_device()
238 crd->is_uref = 1; in usb_ref_device()
241 if (crd->do_unlock > 1) { in usb_ref_device()
242 crd->do_unlock = 0; in usb_ref_device()
248 if (cpd->fflags == 0) { in usb_ref_device()
252 if (cpd->fflags & FWRITE) { in usb_ref_device()
253 ppf = cpd->udev->fifo; in usb_ref_device()
254 f = ppf[cpd->fifo_index + USB_FIFO_TX]; in usb_ref_device()
255 crd->txfifo = f; in usb_ref_device()
256 crd->is_write = 1; /* ref */ in usb_ref_device()
257 if (f == NULL || f->refcount == USB_FIFO_REF_MAX) in usb_ref_device()
259 if (f->curr_cpd != cpd) in usb_ref_device()
261 /* check if USB-FS is active */ in usb_ref_device()
262 if (f->fs_ep_max != 0) { in usb_ref_device()
263 crd->is_usbfs = 1; in usb_ref_device()
268 if (cpd->fflags & FREAD) { in usb_ref_device()
269 ppf = cpd->udev->fifo; in usb_ref_device()
270 f = ppf[cpd->fifo_index + USB_FIFO_RX]; in usb_ref_device()
271 crd->rxfifo = f; in usb_ref_device()
272 crd->is_read = 1; /* ref */ in usb_ref_device()
273 if (f == NULL || f->refcount == USB_FIFO_REF_MAX) in usb_ref_device()
275 if (f->curr_cpd != cpd) in usb_ref_device()
277 /* check if USB-FS is active */ in usb_ref_device()
278 if (f->fs_ep_max != 0) { in usb_ref_device()
279 crd->is_usbfs = 1; in usb_ref_device()
285 if (crd->is_write) { in usb_ref_device()
287 crd->txfifo->refcount++; in usb_ref_device()
289 if (crd->is_read) { in usb_ref_device()
291 crd->rxfifo->refcount++; in usb_ref_device()
298 if (crd->do_unlock) in usb_ref_device()
299 usbd_enum_unlock(cpd->udev); in usb_ref_device()
301 if (crd->is_uref) { in usb_ref_device()
302 if (--(cpd->udev->refcount) == 0) in usb_ref_device()
303 cv_broadcast(&cpd->udev->ref_cv); in usb_ref_device()
314 /*------------------------------------------------------------------------*
323 *------------------------------------------------------------------------*/
331 if (crd->is_uref) in usb_usb_ref_device()
336 * and re-acquire a new ref! in usb_usb_ref_device()
343 /*------------------------------------------------------------------------*
348 *------------------------------------------------------------------------*/
354 DPRINTFN(2, "cpd=%p is_uref=%d\n", cpd, crd->is_uref); in usb_unref_device()
356 if (crd->do_unlock) in usb_unref_device()
357 usbd_enum_unlock(cpd->udev); in usb_unref_device()
360 if (crd->is_read) { in usb_unref_device()
361 if (--(crd->rxfifo->refcount) == 0) { in usb_unref_device()
362 cv_signal(&crd->rxfifo->cv_drain); in usb_unref_device()
364 crd->is_read = 0; in usb_unref_device()
366 if (crd->is_write) { in usb_unref_device()
367 if (--(crd->txfifo->refcount) == 0) { in usb_unref_device()
368 cv_signal(&crd->txfifo->cv_drain); in usb_unref_device()
370 crd->is_write = 0; in usb_unref_device()
372 if (crd->is_uref) { in usb_unref_device()
373 crd->is_uref = 0; in usb_unref_device()
374 if (--(cpd->udev->refcount) == 0) in usb_unref_device()
375 cv_broadcast(&cpd->udev->ref_cv); in usb_unref_device()
386 cv_init(&f->cv_io, "FIFO-IO"); in usb_fifo_alloc()
387 cv_init(&f->cv_drain, "FIFO-DRAIN"); in usb_fifo_alloc()
388 sx_init(&f->fs_fastpath_lock, "FIFO-FP"); in usb_fifo_alloc()
389 f->priv_mtx = mtx; in usb_fifo_alloc()
390 f->refcount = 1; in usb_fifo_alloc()
391 knlist_init_mtx(&f->selinfo.si_note, mtx); in usb_fifo_alloc()
395 /*------------------------------------------------------------------------*
397 *------------------------------------------------------------------------*/
402 struct usb_device *udev = cpd->udev; in usb_fifo_create()
410 int e = cpd->ep_addr; in usb_fifo_create()
412 is_tx = (cpd->fflags & FWRITE) ? 1 : 0; in usb_fifo_create()
413 is_rx = (cpd->fflags & FREAD) ? 1 : 0; in usb_fifo_create()
421 f = udev->fifo[cpd->fifo_index + USB_FIFO_TX]; in usb_fifo_create()
424 crd->txfifo = f; in usb_fifo_create()
427 f = udev->fifo[cpd->fifo_index + USB_FIFO_RX]; in usb_fifo_create()
430 crd->rxfifo = f; in usb_fifo_create()
452 f = udev->fifo[n + USB_FIFO_TX]; in usb_fifo_create()
454 if (f->dev_ep_index != e) { in usb_fifo_create()
458 if (f->curr_cpd != NULL) { in usb_fifo_create()
469 f = udev->fifo[n + USB_FIFO_RX]; in usb_fifo_create()
471 if (f->dev_ep_index != e) { in usb_fifo_create()
475 if (f->curr_cpd != NULL) { in usb_fifo_create()
506 (udev->fifo[n + USB_FIFO_TX] == NULL)) { in usb_fifo_create()
513 f = usb_fifo_alloc(&udev->device_mtx); in usb_fifo_create()
519 f->fifo_index = n + USB_FIFO_TX; in usb_fifo_create()
520 f->dev_ep_index = e; in usb_fifo_create()
521 f->priv_sc0 = ep; in usb_fifo_create()
522 f->methods = &usb_ugen_methods; in usb_fifo_create()
523 f->iface_index = ep->iface_index; in usb_fifo_create()
524 f->udev = udev; in usb_fifo_create()
526 udev->fifo[n + USB_FIFO_TX] = f; in usb_fifo_create()
531 (udev->fifo[n + USB_FIFO_RX] == NULL)) { in usb_fifo_create()
538 f = usb_fifo_alloc(&udev->device_mtx); in usb_fifo_create()
544 f->fifo_index = n + USB_FIFO_RX; in usb_fifo_create()
545 f->dev_ep_index = e; in usb_fifo_create()
546 f->priv_sc0 = ep; in usb_fifo_create()
547 f->methods = &usb_ugen_methods; in usb_fifo_create()
548 f->iface_index = ep->iface_index; in usb_fifo_create()
549 f->udev = udev; in usb_fifo_create()
551 udev->fifo[n + USB_FIFO_RX] = f; in usb_fifo_create()
555 crd->txfifo = udev->fifo[n + USB_FIFO_TX]; in usb_fifo_create()
558 crd->rxfifo = udev->fifo[n + USB_FIFO_RX]; in usb_fifo_create()
562 cpd->fifo_index = n; in usb_fifo_create()
580 if (f->symlink[n]) { in usb_fifo_free()
581 usb_free_symlink(f->symlink[n]); in usb_fifo_free()
582 f->symlink[n] = NULL; in usb_fifo_free()
588 if ((f->fifo_index < USB_FIFO_MAX) && in usb_fifo_free()
589 (f->udev != NULL) && in usb_fifo_free()
590 (f->udev->fifo[f->fifo_index] == f)) { in usb_fifo_free()
591 f->udev->fifo[f->fifo_index] = NULL; in usb_fifo_free()
597 f->refcount--; in usb_fifo_free()
599 while (f->refcount != 0) { in usb_fifo_free()
601 mtx_lock(f->priv_mtx); in usb_fifo_free()
603 f->flag_iserror = 1; in usb_fifo_free()
605 if (f->flag_sleeping) { in usb_fifo_free()
606 f->flag_sleeping = 0; in usb_fifo_free()
607 cv_broadcast(&f->cv_io); in usb_fifo_free()
609 mtx_unlock(f->priv_mtx); in usb_fifo_free()
613 * Check if the "f->refcount" variable reached zero in usb_fifo_free()
616 if (f->refcount == 0) in usb_fifo_free()
620 cv_wait(&f->cv_drain, &usb_ref_lock); in usb_fifo_free()
627 cv_destroy(&f->cv_io); in usb_fifo_free()
628 cv_destroy(&f->cv_drain); in usb_fifo_free()
629 sx_destroy(&f->fs_fastpath_lock); in usb_fifo_free()
631 knlist_clear(&f->selinfo.si_note, 0); in usb_fifo_free()
632 seldrain(&f->selinfo); in usb_fifo_free()
633 knlist_destroy(&f->selinfo.si_note); in usb_fifo_free()
645 ep = &udev->ctrl_ep; in usb_dev_get_ep()
648 if (udev->flags.usb_mode == USB_MODE_HOST) { in usb_dev_get_ep()
654 if (udev->flags.usb_mode == USB_MODE_HOST) { in usb_dev_get_ep()
667 if (ep->edesc == NULL) { in usb_dev_get_ep()
674 /*------------------------------------------------------------------------*
680 *------------------------------------------------------------------------*/
696 if ((f->fifo_index & 1) == USB_FIFO_TX) { in usb_fifo_open()
704 if (f->curr_cpd != NULL) { in usb_fifo_open()
710 f->flag_short = 0; in usb_fifo_open()
713 err = (f->methods->f_open) (f, fflags); in usb_fifo_open()
717 mtx_lock(f->priv_mtx); in usb_fifo_open()
720 f->flag_sleeping = 0; in usb_fifo_open()
723 f->flag_iserror = 0; in usb_fifo_open()
726 f->flag_iscomplete = 0; in usb_fifo_open()
729 f->flag_isselect = 0; in usb_fifo_open()
732 f->flag_flushing = 0; in usb_fifo_open()
735 f->async_p = NULL; in usb_fifo_open()
739 f->curr_cpd = cpd; in usb_fifo_open()
745 mtx_unlock(f->priv_mtx); in usb_fifo_open()
750 /*------------------------------------------------------------------------*
752 *------------------------------------------------------------------------*/
762 USB_IF_DEQUEUE(&f->used_q, m); in usb_fifo_reset()
764 USB_IF_ENQUEUE(&f->free_q, m); in usb_fifo_reset()
770 f->flag_have_fragment = 0; in usb_fifo_reset()
773 /*------------------------------------------------------------------------*
775 *------------------------------------------------------------------------*/
782 if (f->curr_cpd == NULL) { in usb_fifo_close()
783 /* nothing to do - already closed */ in usb_fifo_close()
786 mtx_lock(f->priv_mtx); in usb_fifo_close()
790 f->curr_cpd = NULL; in usb_fifo_close()
794 KNOTE_LOCKED(&f->selinfo.si_note, 0); in usb_fifo_close()
797 if (f->flag_isselect) { in usb_fifo_close()
798 selwakeup(&f->selinfo); in usb_fifo_close()
799 f->flag_isselect = 0; in usb_fifo_close()
802 if (f->async_p != NULL) { in usb_fifo_close()
803 PROC_LOCK(f->async_p); in usb_fifo_close()
804 kern_psignal(f->async_p, SIGIO); in usb_fifo_close()
805 PROC_UNLOCK(f->async_p); in usb_fifo_close()
806 f->async_p = NULL; in usb_fifo_close()
812 if ((f->fifo_index & 1) == USB_FIFO_TX) { in usb_fifo_close()
813 if (!f->flag_iserror) { in usb_fifo_close()
815 f->flag_flushing = 1; in usb_fifo_close()
818 if (f->flag_have_fragment) { in usb_fifo_close()
820 f->flag_have_fragment = 0; in usb_fifo_close()
821 USB_IF_DEQUEUE(&f->free_q, m); in usb_fifo_close()
823 USB_IF_ENQUEUE(&f->used_q, m); in usb_fifo_close()
828 (f->methods->f_start_write) (f); in usb_fifo_close()
831 while (f->flag_flushing && in usb_fifo_close()
832 (!f->flag_iserror)) { in usb_fifo_close()
834 f->flag_sleeping = 1; in usb_fifo_close()
835 err = cv_timedwait_sig(&f->cv_io, f->priv_mtx, in usb_fifo_close()
846 (f->methods->f_stop_write) (f); in usb_fifo_close()
851 (f->methods->f_stop_read) (f); in usb_fifo_close()
855 if (f->flag_sleeping) { in usb_fifo_close()
858 mtx_unlock(f->priv_mtx); in usb_fifo_close()
861 (f->methods->f_close) (f, fflags); in usb_fifo_close()
866 /*------------------------------------------------------------------------*
867 * usb_open - cdev callback
868 *------------------------------------------------------------------------*/
872 struct usb_fs_privdata* pd = (struct usb_fs_privdata*)dev->si_drv1; in usb_open() local
880 if (((fflags & FREAD) && !(pd->mode & FREAD)) || in usb_open()
881 ((fflags & FWRITE) && !(pd->mode & FWRITE))) { in usb_open()
888 usb_loc_fill(pd, cpd); in usb_open()
895 cpd->fflags = fflags; /* access mode for open lifetime */ in usb_open()
933 /*------------------------------------------------------------------------*
934 * usb_close - cdev callback
935 *------------------------------------------------------------------------*/
952 if (cpd->fflags & FREAD) { in usb_close()
953 usb_fifo_close(refs.rxfifo, cpd->fflags); in usb_close()
955 if (cpd->fflags & FWRITE) { in usb_close()
956 usb_fifo_close(refs.txfifo, cpd->fflags); in usb_close()
980 * Create /dev/usb - this is needed for usbconfig(8), which in usb_dev_init_post()
981 * needs a well-known device name to access. in usb_dev_init_post()
1022 if (f->async_p != NULL) { in usb_ioctl_f_sub()
1026 f->async_p = USB_TD_GET_PROC(td); in usb_ioctl_f_sub()
1028 f->async_p = NULL; in usb_ioctl_f_sub()
1034 if (f->async_p == NULL) { in usb_ioctl_f_sub()
1038 if (*(int *)addr != USB_PROC_GET_GID(f->async_p)) { in usb_ioctl_f_sub()
1050 /*------------------------------------------------------------------------*
1051 * usb_ioctl - cdev callback
1052 *------------------------------------------------------------------------*/
1077 fflags = cpd->fflags; in usb_ioctl()
1094 err = (f->methods->f_ioctl) (f, cmd, addr, fflags); in usb_ioctl()
1106 err = (f->methods->f_ioctl_post) (f, cmd, addr, fflags); in usb_ioctl()
1116 /* Wait for re-enumeration, if any */ in usb_ioctl()
1118 while (f->udev->re_enumerate_wait != USB_RE_ENUM_DONE) { in usb_ioctl()
1141 struct usb_fifo *f = kn->kn_hook; in usb_filter_detach()
1142 knlist_remove(&f->selinfo.si_note, kn, 0); in usb_filter_detach()
1154 f = kn->kn_hook; in usb_filter_write()
1156 USB_MTX_ASSERT(f->priv_mtx, MA_OWNED); in usb_filter_write()
1158 cpd = f->curr_cpd; in usb_filter_write()
1161 } else if (f->fs_ep_max == 0) { in usb_filter_write()
1162 if (f->flag_iserror) { in usb_filter_write()
1166 if (f->queue_data == NULL) { in usb_filter_write()
1171 (f->methods->f_start_write) (f); in usb_filter_write()
1174 USB_IF_POLL(&f->free_q, m); in usb_filter_write()
1177 if (f->flag_iscomplete) { in usb_filter_write()
1195 f = kn->kn_hook; in usb_filter_read()
1197 USB_MTX_ASSERT(f->priv_mtx, MA_OWNED); in usb_filter_read()
1199 cpd = f->curr_cpd; in usb_filter_read()
1202 } else if (f->fs_ep_max == 0) { in usb_filter_read()
1203 if (f->flag_iserror) { in usb_filter_read()
1207 if (f->queue_data == NULL) { in usb_filter_read()
1212 (f->methods->f_start_read) (f); in usb_filter_read()
1215 USB_IF_POLL(&f->used_q, m); in usb_filter_read()
1219 (f->methods->f_start_read) (f); in usb_filter_read()
1222 if (f->flag_iscomplete) { in usb_filter_read()
1259 fflags = cpd->fflags; in usb_kqfilter()
1262 switch (kn->kn_filter) { in usb_kqfilter()
1266 kn->kn_fop = &usb_filtops_write; in usb_kqfilter()
1273 kn->kn_fop = &usb_filtops_read; in usb_kqfilter()
1283 kn->kn_hook = f; in usb_kqfilter()
1284 mtx_lock(f->priv_mtx); in usb_kqfilter()
1285 knlist_add(&f->selinfo.si_note, kn, 1); in usb_kqfilter()
1286 mtx_unlock(f->priv_mtx); in usb_kqfilter()
1308 fflags = cpd->fflags; in usb_poll()
1316 mtx_lock(f->priv_mtx); in usb_poll()
1319 if (f->flag_iserror) { in usb_poll()
1323 if (f->queue_data == NULL) { in usb_poll()
1328 (f->methods->f_start_write) (f); in usb_poll()
1331 USB_IF_POLL(&f->free_q, m); in usb_poll()
1334 if (f->flag_iscomplete) { in usb_poll()
1344 f->flag_isselect = 1; in usb_poll()
1345 selrecord(td, &f->selinfo); in usb_poll()
1348 mtx_unlock(f->priv_mtx); in usb_poll()
1354 mtx_lock(f->priv_mtx); in usb_poll()
1357 if (f->flag_iserror) { in usb_poll()
1361 if (f->queue_data == NULL) { in usb_poll()
1366 (f->methods->f_start_read) (f); in usb_poll()
1369 USB_IF_POLL(&f->used_q, m); in usb_poll()
1372 if (f->flag_iscomplete) { in usb_poll()
1382 f->flag_isselect = 1; in usb_poll()
1383 selrecord(td, &f->selinfo); in usb_poll()
1387 (f->methods->f_start_read) (f); in usb_poll()
1391 mtx_unlock(f->priv_mtx); in usb_poll()
1423 mtx_lock(f->priv_mtx); in usb_read()
1426 if (f->flag_iserror) { in usb_read()
1430 /* check if USB-FS interface is active */ in usb_read()
1439 while (uio->uio_resid > 0) { in usb_read()
1440 USB_IF_DEQUEUE(&f->used_q, m); in usb_read()
1445 (f->methods->f_start_read) (f); in usb_read()
1463 if (f->methods->f_filter_read) { in usb_read()
1469 (f->methods->f_filter_read) (f, m); in usb_read()
1473 io_len = MIN(m->cur_data_len, uio->uio_resid); in usb_read()
1476 io_len, m->cur_data_ptr); in usb_read()
1479 m->cur_data_ptr, io_len, uio); in usb_read()
1481 m->cur_data_len -= io_len; in usb_read()
1482 m->cur_data_ptr += io_len; in usb_read()
1484 if (m->cur_data_len == 0) { in usb_read()
1487 last_packet = m->last_packet; in usb_read()
1489 USB_IF_ENQUEUE(&f->free_q, m); in usb_read()
1496 USB_IF_PREPEND(&f->used_q, m); in usb_read()
1504 mtx_unlock(f->priv_mtx); in usb_read()
1540 mtx_lock(f->priv_mtx); in usb_write()
1543 if (f->flag_iserror) { in usb_write()
1547 /* check if USB-FS interface is active */ in usb_write()
1556 if (f->queue_data == NULL) { in usb_write()
1558 (f->methods->f_start_write) (f); in usb_write()
1562 USB_IF_DEQUEUE(&f->free_q, m); in usb_write()
1583 if (f->flag_have_fragment == 0) { in usb_write()
1585 io_len = m->cur_data_len; in usb_write()
1586 pdata = m->cur_data_ptr; in usb_write()
1587 if (io_len > uio->uio_resid) in usb_write()
1588 io_len = uio->uio_resid; in usb_write()
1589 m->cur_data_len = io_len; in usb_write()
1591 io_len = m->max_data_len - m->cur_data_len; in usb_write()
1592 pdata = m->cur_data_ptr + m->cur_data_len; in usb_write()
1593 if (io_len > uio->uio_resid) in usb_write()
1594 io_len = uio->uio_resid; in usb_write()
1595 m->cur_data_len += io_len; in usb_write()
1604 f->flag_have_fragment = 0; in usb_write()
1605 USB_IF_ENQUEUE(&f->free_q, m); in usb_write()
1611 if ((f->flag_write_defrag == 0) || in usb_write()
1612 (m->cur_data_len == m->max_data_len)) { in usb_write()
1613 f->flag_have_fragment = 0; in usb_write()
1622 if (f->methods->f_filter_write) { in usb_write()
1623 (f->methods->f_filter_write) (f, m); in usb_write()
1627 USB_IF_ENQUEUE(&f->used_q, m); in usb_write()
1630 (f->methods->f_start_write) (f); in usb_write()
1633 f->flag_have_fragment = 1; in usb_write()
1634 USB_IF_PREPEND(&f->free_q, m); in usb_write()
1637 } while (uio->uio_resid > 0); in usb_write()
1639 mtx_unlock(f->priv_mtx); in usb_write()
1662 err = usb_read_symlink(u.urd->urd_data, in usb_static_ioctl()
1663 u.urd->urd_startentry, u.urd->urd_maxlen); in usb_static_ioctl()
1667 err = usb_read_symlink(PTRIN(u.urd32->urd_data), in usb_static_ioctl()
1668 u.urd32->urd_startentry, u.urd32->urd_maxlen); in usb_static_ioctl()
1700 mtx_unlock(f->priv_mtx); in usb_fifo_uiomove()
1708 mtx_lock(f->priv_mtx); in usb_fifo_uiomove()
1718 USB_MTX_ASSERT(f->priv_mtx, MA_OWNED); in usb_fifo_wait()
1720 if (f->flag_iserror) { in usb_fifo_wait()
1724 f->flag_sleeping = 1; in usb_fifo_wait()
1726 err = cv_wait_sig(&f->cv_io, f->priv_mtx); in usb_fifo_wait()
1728 if (f->flag_iserror) { in usb_fifo_wait()
1738 if (f->flag_sleeping) { in usb_fifo_signal()
1739 f->flag_sleeping = 0; in usb_fifo_signal()
1740 cv_broadcast(&f->cv_io); in usb_fifo_signal()
1749 KNOTE_LOCKED(&f->selinfo.si_note, 0); in usb_fifo_wakeup()
1751 if (f->flag_isselect) { in usb_fifo_wakeup()
1752 selwakeup(&f->selinfo); in usb_fifo_wakeup()
1753 f->flag_isselect = 0; in usb_fifo_wakeup()
1755 if (f->async_p != NULL) { in usb_fifo_wakeup()
1756 PROC_LOCK(f->async_p); in usb_fifo_wakeup()
1757 kern_psignal(f->async_p, SIGIO); in usb_fifo_wakeup()
1758 PROC_UNLOCK(f->async_p); in usb_fifo_wakeup()
1783 fifo->flag_flushing = 0; /* not flushing */ in usb_fifo_dummy_cmd()
1791 if (pm->f_open == NULL) in usb_fifo_check_methods()
1792 pm->f_open = &usb_fifo_dummy_open; in usb_fifo_check_methods()
1794 if (pm->f_close == NULL) in usb_fifo_check_methods()
1795 pm->f_close = &usb_fifo_dummy_close; in usb_fifo_check_methods()
1797 if (pm->f_ioctl == NULL) in usb_fifo_check_methods()
1798 pm->f_ioctl = &usb_fifo_dummy_ioctl; in usb_fifo_check_methods()
1800 if (pm->f_ioctl_post == NULL) in usb_fifo_check_methods()
1801 pm->f_ioctl_post = &usb_fifo_dummy_ioctl; in usb_fifo_check_methods()
1803 if (pm->f_start_read == NULL) in usb_fifo_check_methods()
1804 pm->f_start_read = &usb_fifo_dummy_cmd; in usb_fifo_check_methods()
1806 if (pm->f_stop_read == NULL) in usb_fifo_check_methods()
1807 pm->f_stop_read = &usb_fifo_dummy_cmd; in usb_fifo_check_methods()
1809 if (pm->f_start_write == NULL) in usb_fifo_check_methods()
1810 pm->f_start_write = &usb_fifo_dummy_cmd; in usb_fifo_check_methods()
1812 if (pm->f_stop_write == NULL) in usb_fifo_check_methods()
1813 pm->f_stop_write = &usb_fifo_dummy_cmd; in usb_fifo_check_methods()
1816 /*------------------------------------------------------------------------*
1824 *------------------------------------------------------------------------*/
1836 f_sc->fp[USB_FIFO_TX] = NULL; in usb_fifo_attach()
1837 f_sc->fp[USB_FIFO_RX] = NULL; in usb_fifo_attach()
1855 if (udev->fifo[n + USB_FIFO_TX] != NULL) { in usb_fifo_attach()
1859 if (udev->fifo[n + USB_FIFO_RX] != NULL) { in usb_fifo_attach()
1875 f_tx->fifo_index = n + USB_FIFO_TX; in usb_fifo_attach()
1876 f_tx->dev_ep_index = -1; in usb_fifo_attach()
1877 f_tx->priv_sc0 = priv_sc; in usb_fifo_attach()
1878 f_tx->methods = pm; in usb_fifo_attach()
1879 f_tx->iface_index = iface_index; in usb_fifo_attach()
1880 f_tx->udev = udev; in usb_fifo_attach()
1882 f_rx->fifo_index = n + USB_FIFO_RX; in usb_fifo_attach()
1883 f_rx->dev_ep_index = -1; in usb_fifo_attach()
1884 f_rx->priv_sc0 = priv_sc; in usb_fifo_attach()
1885 f_rx->methods = pm; in usb_fifo_attach()
1886 f_rx->iface_index = iface_index; in usb_fifo_attach()
1887 f_rx->udev = udev; in usb_fifo_attach()
1889 f_sc->fp[USB_FIFO_TX] = f_tx; in usb_fifo_attach()
1890 f_sc->fp[USB_FIFO_RX] = f_rx; in usb_fifo_attach()
1893 udev->fifo[f_tx->fifo_index] = f_tx; in usb_fifo_attach()
1894 udev->fifo[f_rx->fifo_index] = f_rx; in usb_fifo_attach()
1898 if (pm->basename[n] == NULL) { in usb_fifo_attach()
1903 "%s%u%s", pm->basename[n], in usb_fifo_attach()
1904 unit, pm->postfix[n] ? in usb_fifo_attach()
1905 pm->postfix[n] : "")) { in usb_fifo_attach()
1910 "%s%u.%d%s", pm->basename[n], in usb_fifo_attach()
1911 unit, subunit, pm->postfix[n] ? in usb_fifo_attach()
1912 pm->postfix[n] : "")) { in usb_fifo_attach()
1921 f_rx->symlink[n / 2] = in usb_fifo_attach()
1924 f_tx->symlink[n / 2] = in usb_fifo_attach()
1929 f_sc->dev = usb_make_dev(udev, devname, -1, in usb_fifo_attach()
1930 f_tx->fifo_index & f_rx->fifo_index, in usb_fifo_attach()
1938 /*------------------------------------------------------------------------*
1944 *------------------------------------------------------------------------*/
1962 mtx_lock(f->priv_mtx); in usb_fifo_alloc_buffer()
1968 f->free_q = temp_q; in usb_fifo_alloc_buffer()
1969 f->used_q.ifq_maxlen = nbuf; in usb_fifo_alloc_buffer()
1970 f->queue_data = queue_data; in usb_fifo_alloc_buffer()
1971 mtx_unlock(f->priv_mtx); in usb_fifo_alloc_buffer()
1976 /*------------------------------------------------------------------------*
1981 *------------------------------------------------------------------------*/
1987 mtx_lock(f->priv_mtx); in usb_fifo_free_buffer()
1990 queue_data = f->queue_data; in usb_fifo_free_buffer()
1991 f->queue_data = NULL; in usb_fifo_free_buffer()
1997 memset(&f->free_q, 0, sizeof(f->free_q)); in usb_fifo_free_buffer()
1998 memset(&f->used_q, 0, sizeof(f->used_q)); in usb_fifo_free_buffer()
1999 mtx_unlock(f->priv_mtx); in usb_fifo_free_buffer()
2011 usb_fifo_free(f_sc->fp[USB_FIFO_TX]); in usb_fifo_detach()
2012 usb_fifo_free(f_sc->fp[USB_FIFO_RX]); in usb_fifo_detach()
2014 f_sc->fp[USB_FIFO_TX] = NULL; in usb_fifo_detach()
2015 f_sc->fp[USB_FIFO_RX] = NULL; in usb_fifo_detach()
2017 usb_destroy_dev(f_sc->dev); in usb_fifo_detach()
2019 f_sc->dev = NULL; in usb_fifo_detach()
2030 USB_IF_POLL(&f->free_q, m); in usb_fifo_put_bytes_max()
2033 len = m->max_data_len; in usb_fifo_put_bytes_max()
2040 /*------------------------------------------------------------------------*
2044 * 0 - normal operation
2045 * 1 - set last packet flag to enforce framing
2046 *------------------------------------------------------------------------*/
2055 USB_IF_DEQUEUE(&f->free_q, m); in usb_fifo_put_data()
2060 io_len = MIN(len, m->cur_data_len); in usb_fifo_put_data()
2062 usbd_copy_out(pc, offset, m->cur_data_ptr, io_len); in usb_fifo_put_data()
2064 m->cur_data_len = io_len; in usb_fifo_put_data()
2066 len -= io_len; in usb_fifo_put_data()
2069 m->last_packet = 1; in usb_fifo_put_data()
2071 USB_IF_ENQUEUE(&f->used_q, m); in usb_fifo_put_data()
2092 USB_IF_DEQUEUE(&f->free_q, m); in usb_fifo_put_data_linear()
2097 io_len = MIN(len, m->cur_data_len); in usb_fifo_put_data_linear()
2099 memcpy(m->cur_data_ptr, ptr, io_len); in usb_fifo_put_data_linear()
2101 m->cur_data_len = io_len; in usb_fifo_put_data_linear()
2103 len -= io_len; in usb_fifo_put_data_linear()
2106 m->last_packet = 1; in usb_fifo_put_data_linear()
2108 USB_IF_ENQUEUE(&f->used_q, m); in usb_fifo_put_data_linear()
2126 USB_IF_DEQUEUE(&f->free_q, m); in usb_fifo_put_data_buffer()
2129 m->cur_data_len = len; in usb_fifo_put_data_buffer()
2130 m->cur_data_ptr = ptr; in usb_fifo_put_data_buffer()
2131 USB_IF_ENQUEUE(&f->used_q, m); in usb_fifo_put_data_buffer()
2141 f->flag_iserror = 1; in usb_fifo_put_data_error()
2145 /*------------------------------------------------------------------------*
2149 * 0 - normal operation
2150 * 1 - only get one "usb_mbuf"
2153 * 0 - no more data
2154 * 1 - data in buffer
2155 *------------------------------------------------------------------------*/
2168 USB_IF_DEQUEUE(&f->used_q, m); in usb_fifo_get_data()
2173 io_len = MIN(len, m->cur_data_len); in usb_fifo_get_data()
2175 usbd_copy_in(pc, offset, m->cur_data_ptr, io_len); in usb_fifo_get_data()
2177 len -= io_len; in usb_fifo_get_data()
2180 m->cur_data_ptr += io_len; in usb_fifo_get_data()
2181 m->cur_data_len -= io_len; in usb_fifo_get_data()
2183 if ((m->cur_data_len == 0) || (what == 1)) { in usb_fifo_get_data()
2184 USB_IF_ENQUEUE(&f->free_q, m); in usb_fifo_get_data()
2192 USB_IF_PREPEND(&f->used_q, m); in usb_fifo_get_data()
2199 if (f->flag_flushing) { in usb_fifo_get_data()
2201 if (f->flag_short != 0) { in usb_fifo_get_data()
2202 f->flag_short = 0; in usb_fifo_get_data()
2207 f->flag_flushing = 0; in usb_fifo_get_data()
2230 USB_IF_DEQUEUE(&f->used_q, m); in usb_fifo_get_data_linear()
2235 io_len = MIN(len, m->cur_data_len); in usb_fifo_get_data_linear()
2237 memcpy(ptr, m->cur_data_ptr, io_len); in usb_fifo_get_data_linear()
2239 len -= io_len; in usb_fifo_get_data_linear()
2242 m->cur_data_ptr += io_len; in usb_fifo_get_data_linear()
2243 m->cur_data_len -= io_len; in usb_fifo_get_data_linear()
2245 if ((m->cur_data_len == 0) || (what == 1)) { in usb_fifo_get_data_linear()
2246 USB_IF_ENQUEUE(&f->free_q, m); in usb_fifo_get_data_linear()
2254 USB_IF_PREPEND(&f->used_q, m); in usb_fifo_get_data_linear()
2261 if (f->flag_flushing) { in usb_fifo_get_data_linear()
2263 if (f->flag_short != 0) { in usb_fifo_get_data_linear()
2264 f->flag_short = 0; in usb_fifo_get_data_linear()
2269 f->flag_flushing = 0; in usb_fifo_get_data_linear()
2286 USB_IF_POLL(&f->used_q, m); in usb_fifo_get_data_buffer()
2289 *plen = m->cur_data_len; in usb_fifo_get_data_buffer()
2290 *pptr = m->cur_data_ptr; in usb_fifo_get_data_buffer()
2300 f->flag_iserror = 1; in usb_fifo_get_data_error()
2304 /*------------------------------------------------------------------------*
2310 *------------------------------------------------------------------------*/
2318 strlcpy(ps->src_path, target, sizeof(ps->src_path)); in usb_alloc_symlink()
2319 ps->src_len = strlen(ps->src_path); in usb_alloc_symlink()
2320 strlcpy(ps->dst_path, target, sizeof(ps->dst_path)); in usb_alloc_symlink()
2321 ps->dst_len = strlen(ps->dst_path); in usb_alloc_symlink()
2329 /*------------------------------------------------------------------------*
2331 *------------------------------------------------------------------------*/
2345 /*------------------------------------------------------------------------*
2351 *------------------------------------------------------------------------*/
2368 temp = ps->src_len + ps->dst_len + 3; in usb_read_symlink()
2379 startentry--; in usb_read_symlink()
2399 error = copyout(ps->src_path, in usb_read_symlink()
2400 USB_ADD_BYTES(user_ptr, delta), ps->src_len); in usb_read_symlink()
2405 delta += ps->src_len; in usb_read_symlink()
2415 error = copyout(ps->dst_path, in usb_read_symlink()
2416 USB_ADD_BYTES(user_ptr, delta), ps->dst_len); in usb_read_symlink()
2421 delta += ps->dst_len; in usb_read_symlink()
2429 user_len -= temp; in usb_read_symlink()
2451 f->flag_short = onoff; in usb_fifo_set_close_zlp()
2461 f->flag_write_defrag = onoff; in usb_fifo_set_write_defrag()
2463 f->flag_have_fragment = 0; in usb_fifo_set_write_defrag()
2469 return (f->priv_sc0); in usb_fifo_softc()