diff --git a/sys/dev/usb/usb_generic.c b/sys/dev/usb/usb_generic.c index fdbc35d47169..ad2f23eb9bfc 100644 --- a/sys/dev/usb/usb_generic.c +++ b/sys/dev/usb/usb_generic.c @@ -1,2539 +1,2538 @@ /* $FreeBSD$ */ /*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (c) 2008-2022 Hans Petter Selasky * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifdef USB_GLOBAL_INCLUDE_FILE #include USB_GLOBAL_INCLUDE_FILE #else #ifdef COMPAT_FREEBSD32 #include #endif #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define USB_DEBUG_VAR ugen_debug #include #include #include #include #include #include #include #include #include #include #include #include #include #include #endif /* USB_GLOBAL_INCLUDE_FILE */ #if USB_HAVE_UGEN /* defines */ #define UGEN_BULK_FS_BUFFER_SIZE (64*32) /* bytes */ #define UGEN_BULK_HS_BUFFER_SIZE (1024*32) /* bytes */ #define UGEN_HW_FRAMES 50 /* number of milliseconds per transfer */ /* function prototypes */ static usb_callback_t ugen_read_clear_stall_callback; static usb_callback_t ugen_write_clear_stall_callback; static usb_callback_t ugen_ctrl_read_callback; static usb_callback_t ugen_ctrl_write_callback; static usb_callback_t ugen_isoc_read_callback; static usb_callback_t ugen_isoc_write_callback; static usb_callback_t ugen_ctrl_fs_callback; static usb_fifo_open_t ugen_open; static usb_fifo_close_t ugen_close; static usb_fifo_ioctl_t ugen_ioctl; static usb_fifo_ioctl_t ugen_ioctl_post; static usb_fifo_cmd_t ugen_start_read; static usb_fifo_cmd_t ugen_start_write; static usb_fifo_cmd_t ugen_stop_io; static int ugen_transfer_setup(struct usb_fifo *, const struct usb_config *, uint8_t); static int ugen_open_pipe_write(struct usb_fifo *); static int ugen_open_pipe_read(struct usb_fifo *); static int ugen_set_config(struct usb_fifo *, uint8_t); static int ugen_set_interface(struct usb_fifo *, uint8_t, uint8_t); static int ugen_get_cdesc(struct usb_fifo *, struct usb_gen_descriptor *); static int ugen_get_sdesc(struct usb_fifo *, struct usb_gen_descriptor *); static int ugen_get_iface_driver(struct usb_fifo *f, struct usb_gen_descriptor *ugd); #ifdef COMPAT_FREEBSD32 static int ugen_get32(u_long cmd, struct usb_fifo *f, struct usb_gen_descriptor32 *ugd32); #endif static int ugen_re_enumerate(struct usb_fifo *); static int ugen_iface_ioctl(struct usb_fifo *, u_long, void *, int); static uint8_t ugen_fs_get_complete(struct usb_fifo *, uint8_t *); static int ugen_fs_uninit(struct usb_fifo *f); static int ugen_fs_copyin(struct usb_fifo *, uint8_t, struct usb_fs_endpoint*); +static uint8_t ugen_fifo_in_use(struct usb_fifo *, int fflags); /* structures */ struct usb_fifo_methods usb_ugen_methods = { .f_open = &ugen_open, .f_close = &ugen_close, .f_ioctl = &ugen_ioctl, .f_ioctl_post = &ugen_ioctl_post, .f_start_read = &ugen_start_read, .f_stop_read = &ugen_stop_io, .f_start_write = &ugen_start_write, .f_stop_write = &ugen_stop_io, }; #ifdef USB_DEBUG static int ugen_debug = 0; static SYSCTL_NODE(_hw_usb, OID_AUTO, ugen, CTLFLAG_RW | CTLFLAG_MPSAFE, 0, "USB generic"); SYSCTL_INT(_hw_usb_ugen, OID_AUTO, debug, CTLFLAG_RWTUN, &ugen_debug, 0, "Debug level"); #endif /* prototypes */ static int ugen_transfer_setup(struct usb_fifo *f, const struct usb_config *setup, uint8_t n_setup) { struct usb_endpoint *ep = usb_fifo_softc(f); struct usb_device *udev = f->udev; uint8_t iface_index = ep->iface_index; int error; mtx_unlock(f->priv_mtx); /* * "usbd_transfer_setup()" can sleep so one needs to make a wrapper, * exiting the mutex and checking things */ error = usbd_transfer_setup(udev, &iface_index, f->xfer, setup, n_setup, f, f->priv_mtx); if (error == 0) { if (f->xfer[0]->nframes == 1) { error = usb_fifo_alloc_buffer(f, f->xfer[0]->max_data_length, 2); } else { error = usb_fifo_alloc_buffer(f, f->xfer[0]->max_frame_size, 2 * f->xfer[0]->nframes); } if (error) { usbd_transfer_unsetup(f->xfer, n_setup); } } mtx_lock(f->priv_mtx); return (error); } static int ugen_open(struct usb_fifo *f, int fflags) { struct usb_endpoint *ep = usb_fifo_softc(f); struct usb_endpoint_descriptor *ed = ep->edesc; uint8_t type; DPRINTFN(1, "flag=0x%x pid=%d name=%s\n", fflags, curthread->td_proc->p_pid, curthread->td_proc->p_comm); mtx_lock(f->priv_mtx); switch (usbd_get_speed(f->udev)) { case USB_SPEED_LOW: case USB_SPEED_FULL: f->nframes = UGEN_HW_FRAMES; f->bufsize = UGEN_BULK_FS_BUFFER_SIZE; break; default: f->nframes = UGEN_HW_FRAMES * 8; f->bufsize = UGEN_BULK_HS_BUFFER_SIZE; break; } type = ed->bmAttributes & UE_XFERTYPE; if (type == UE_INTERRUPT) { f->bufsize = 0; /* use "wMaxPacketSize" */ } f->timeout = USB_NO_TIMEOUT; f->flag_short = 0; f->fifo_zlp = 0; mtx_unlock(f->priv_mtx); return (0); } static void ugen_close(struct usb_fifo *f, int fflags) { DPRINTFN(1, "flag=0x%x pid=%d name=%s\n", fflags, curthread->td_proc->p_pid, curthread->td_proc->p_comm); /* cleanup */ mtx_lock(f->priv_mtx); usbd_transfer_stop(f->xfer[0]); usbd_transfer_stop(f->xfer[1]); mtx_unlock(f->priv_mtx); usbd_transfer_unsetup(f->xfer, 2); usb_fifo_free_buffer(f); if (ugen_fs_uninit(f)) { /* ignore any errors - we are closing */ DPRINTFN(6, "no FIFOs\n"); } } static int ugen_open_pipe_write(struct usb_fifo *f) { struct usb_config usb_config[2]; struct usb_endpoint *ep = usb_fifo_softc(f); struct usb_endpoint_descriptor *ed = ep->edesc; USB_MTX_ASSERT(f->priv_mtx, MA_OWNED); if (f->xfer[0] || f->xfer[1]) { /* transfers are already opened */ return (0); } memset(usb_config, 0, sizeof(usb_config)); usb_config[1].type = UE_CONTROL; usb_config[1].endpoint = 0; usb_config[1].direction = UE_DIR_ANY; usb_config[1].timeout = 1000; /* 1 second */ usb_config[1].interval = 50;/* 50 milliseconds */ usb_config[1].bufsize = sizeof(struct usb_device_request); usb_config[1].callback = &ugen_write_clear_stall_callback; usb_config[1].usb_mode = USB_MODE_HOST; usb_config[0].type = ed->bmAttributes & UE_XFERTYPE; usb_config[0].endpoint = ed->bEndpointAddress & UE_ADDR; usb_config[0].stream_id = 0; /* XXX support more stream ID's */ usb_config[0].direction = UE_DIR_TX; usb_config[0].interval = USB_DEFAULT_INTERVAL; usb_config[0].flags.proxy_buffer = 1; usb_config[0].usb_mode = USB_MODE_DUAL; /* both modes */ switch (ed->bmAttributes & UE_XFERTYPE) { case UE_INTERRUPT: case UE_BULK: if (f->flag_short) { usb_config[0].flags.force_short_xfer = 1; } usb_config[0].callback = &ugen_ctrl_write_callback; usb_config[0].timeout = f->timeout; usb_config[0].frames = 1; usb_config[0].bufsize = f->bufsize; if (ugen_transfer_setup(f, usb_config, 2)) { return (EIO); } /* first transfer does not clear stall */ f->flag_stall = 0; break; case UE_ISOCHRONOUS: usb_config[0].flags.short_xfer_ok = 1; usb_config[0].bufsize = 0; /* use default */ usb_config[0].frames = f->nframes; usb_config[0].callback = &ugen_isoc_write_callback; usb_config[0].timeout = 0; /* clone configuration */ usb_config[1] = usb_config[0]; if (ugen_transfer_setup(f, usb_config, 2)) { return (EIO); } break; default: return (EINVAL); } return (0); } static int ugen_open_pipe_read(struct usb_fifo *f) { struct usb_config usb_config[2]; struct usb_endpoint *ep = usb_fifo_softc(f); struct usb_endpoint_descriptor *ed = ep->edesc; USB_MTX_ASSERT(f->priv_mtx, MA_OWNED); if (f->xfer[0] || f->xfer[1]) { /* transfers are already opened */ return (0); } memset(usb_config, 0, sizeof(usb_config)); usb_config[1].type = UE_CONTROL; usb_config[1].endpoint = 0; usb_config[1].direction = UE_DIR_ANY; usb_config[1].timeout = 1000; /* 1 second */ usb_config[1].interval = 50;/* 50 milliseconds */ usb_config[1].bufsize = sizeof(struct usb_device_request); usb_config[1].callback = &ugen_read_clear_stall_callback; usb_config[1].usb_mode = USB_MODE_HOST; usb_config[0].type = ed->bmAttributes & UE_XFERTYPE; usb_config[0].endpoint = ed->bEndpointAddress & UE_ADDR; usb_config[0].stream_id = 0; /* XXX support more stream ID's */ usb_config[0].direction = UE_DIR_RX; usb_config[0].interval = USB_DEFAULT_INTERVAL; usb_config[0].flags.proxy_buffer = 1; usb_config[0].usb_mode = USB_MODE_DUAL; /* both modes */ switch (ed->bmAttributes & UE_XFERTYPE) { case UE_INTERRUPT: case UE_BULK: if (f->flag_short) { usb_config[0].flags.short_xfer_ok = 1; } usb_config[0].timeout = f->timeout; usb_config[0].frames = 1; usb_config[0].callback = &ugen_ctrl_read_callback; usb_config[0].bufsize = f->bufsize; if (ugen_transfer_setup(f, usb_config, 2)) { return (EIO); } /* first transfer does not clear stall */ f->flag_stall = 0; break; case UE_ISOCHRONOUS: usb_config[0].flags.short_xfer_ok = 1; usb_config[0].bufsize = 0; /* use default */ usb_config[0].frames = f->nframes; usb_config[0].callback = &ugen_isoc_read_callback; usb_config[0].timeout = 0; /* clone configuration */ usb_config[1] = usb_config[0]; if (ugen_transfer_setup(f, usb_config, 2)) { return (EIO); } break; default: return (EINVAL); } return (0); } static void ugen_start_read(struct usb_fifo *f) { /* check that pipes are open */ if (ugen_open_pipe_read(f)) { /* signal error */ usb_fifo_put_data_error(f); } /* start transfers */ usbd_transfer_start(f->xfer[0]); usbd_transfer_start(f->xfer[1]); } static void ugen_start_write(struct usb_fifo *f) { /* check that pipes are open */ if (ugen_open_pipe_write(f)) { /* signal error */ usb_fifo_get_data_error(f); } /* start transfers */ usbd_transfer_start(f->xfer[0]); usbd_transfer_start(f->xfer[1]); } static void ugen_stop_io(struct usb_fifo *f) { /* stop transfers */ usbd_transfer_stop(f->xfer[0]); usbd_transfer_stop(f->xfer[1]); } static void ugen_ctrl_read_callback(struct usb_xfer *xfer, usb_error_t error) { struct usb_fifo *f = usbd_xfer_softc(xfer); struct usb_mbuf *m; DPRINTFN(4, "actlen=%u, aframes=%u\n", xfer->actlen, xfer->aframes); switch (USB_GET_STATE(xfer)) { case USB_ST_TRANSFERRED: if (xfer->actlen == 0) { if (f->fifo_zlp != 4) { f->fifo_zlp++; } else { /* * Throttle a little bit we have multiple ZLPs * in a row! */ xfer->interval = 64; /* ms */ } } else { /* clear throttle */ xfer->interval = 0; f->fifo_zlp = 0; } usb_fifo_put_data(f, xfer->frbuffers, 0, xfer->actlen, 1); case USB_ST_SETUP: if (f->flag_stall) { usbd_transfer_start(f->xfer[1]); break; } USB_IF_POLL(&f->free_q, m); if (m) { usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); usbd_transfer_submit(xfer); } break; default: /* Error */ if (xfer->error != USB_ERR_CANCELLED) { /* send a zero length packet to userland */ usb_fifo_put_data(f, xfer->frbuffers, 0, 0, 1); f->flag_stall = 1; f->fifo_zlp = 0; usbd_transfer_start(f->xfer[1]); } break; } } static void ugen_ctrl_write_callback(struct usb_xfer *xfer, usb_error_t error) { struct usb_fifo *f = usbd_xfer_softc(xfer); usb_frlength_t actlen; DPRINTFN(4, "actlen=%u, aframes=%u\n", xfer->actlen, xfer->aframes); switch (USB_GET_STATE(xfer)) { case USB_ST_SETUP: case USB_ST_TRANSFERRED: /* * If writing is in stall, just jump to clear stall * callback and solve the situation. */ if (f->flag_stall) { usbd_transfer_start(f->xfer[1]); break; } /* * Write data, setup and perform hardware transfer. */ if (usb_fifo_get_data(f, xfer->frbuffers, 0, xfer->max_data_length, &actlen, 0)) { usbd_xfer_set_frame_len(xfer, 0, actlen); usbd_transfer_submit(xfer); } break; default: /* Error */ if (xfer->error != USB_ERR_CANCELLED) { f->flag_stall = 1; usbd_transfer_start(f->xfer[1]); } break; } } static void ugen_read_clear_stall_callback(struct usb_xfer *xfer, usb_error_t error) { struct usb_fifo *f = usbd_xfer_softc(xfer); struct usb_xfer *xfer_other = f->xfer[0]; if (f->flag_stall == 0) { /* nothing to do */ return; } if (usbd_clear_stall_callback(xfer, xfer_other)) { DPRINTFN(5, "f=%p: stall cleared\n", f); f->flag_stall = 0; usbd_transfer_start(xfer_other); } } static void ugen_write_clear_stall_callback(struct usb_xfer *xfer, usb_error_t error) { struct usb_fifo *f = usbd_xfer_softc(xfer); struct usb_xfer *xfer_other = f->xfer[0]; if (f->flag_stall == 0) { /* nothing to do */ return; } if (usbd_clear_stall_callback(xfer, xfer_other)) { DPRINTFN(5, "f=%p: stall cleared\n", f); f->flag_stall = 0; usbd_transfer_start(xfer_other); } } static void ugen_isoc_read_callback(struct usb_xfer *xfer, usb_error_t error) { struct usb_fifo *f = usbd_xfer_softc(xfer); usb_frlength_t offset; usb_frcount_t n; DPRINTFN(4, "actlen=%u, aframes=%u\n", xfer->actlen, xfer->aframes); switch (USB_GET_STATE(xfer)) { case USB_ST_TRANSFERRED: DPRINTFN(6, "actlen=%d\n", xfer->actlen); offset = 0; for (n = 0; n != xfer->aframes; n++) { usb_fifo_put_data(f, xfer->frbuffers, offset, xfer->frlengths[n], 1); offset += xfer->max_frame_size; } case USB_ST_SETUP: tr_setup: for (n = 0; n != xfer->nframes; n++) { /* setup size for next transfer */ usbd_xfer_set_frame_len(xfer, n, xfer->max_frame_size); } usbd_transfer_submit(xfer); break; default: /* Error */ if (xfer->error == USB_ERR_CANCELLED) { break; } goto tr_setup; } } static void ugen_isoc_write_callback(struct usb_xfer *xfer, usb_error_t error) { struct usb_fifo *f = usbd_xfer_softc(xfer); usb_frlength_t actlen; usb_frlength_t offset; usb_frcount_t n; DPRINTFN(4, "actlen=%u, aframes=%u\n", xfer->actlen, xfer->aframes); switch (USB_GET_STATE(xfer)) { case USB_ST_TRANSFERRED: case USB_ST_SETUP: tr_setup: offset = 0; for (n = 0; n != xfer->nframes; n++) { if (usb_fifo_get_data(f, xfer->frbuffers, offset, xfer->max_frame_size, &actlen, 1)) { usbd_xfer_set_frame_len(xfer, n, actlen); offset += actlen; } else { break; } } for (; n != xfer->nframes; n++) { /* fill in zero frames */ usbd_xfer_set_frame_len(xfer, n, 0); } usbd_transfer_submit(xfer); break; default: /* Error */ if (xfer->error == USB_ERR_CANCELLED) { break; } goto tr_setup; } } static int ugen_set_config(struct usb_fifo *f, uint8_t index) { DPRINTFN(2, "index %u\n", index); if (f->udev->flags.usb_mode != USB_MODE_HOST) { /* not possible in device side mode */ return (ENOTTY); } /* make sure all FIFO's are gone */ /* else there can be a deadlock */ if (ugen_fs_uninit(f)) { /* ignore any errors */ DPRINTFN(6, "no FIFOs\n"); } if (usbd_start_set_config(f->udev, index) != 0) return (EIO); return (0); } static int ugen_set_interface(struct usb_fifo *f, uint8_t iface_index, uint8_t alt_index) { DPRINTFN(2, "%u, %u\n", iface_index, alt_index); if (f->udev->flags.usb_mode != USB_MODE_HOST) { /* not possible in device side mode */ return (ENOTTY); } /* make sure all FIFO's are gone */ /* else there can be a deadlock */ if (ugen_fs_uninit(f)) { /* ignore any errors */ DPRINTFN(6, "no FIFOs\n"); } /* change setting - will free generic FIFOs, if any */ if (usbd_set_alt_interface_index(f->udev, iface_index, alt_index)) { return (EIO); } /* probe and attach */ if (usb_probe_and_attach(f->udev, iface_index)) { return (EIO); } return (0); } /*------------------------------------------------------------------------* * ugen_get_cdesc * * This function will retrieve the complete configuration descriptor * at the given index. *------------------------------------------------------------------------*/ static int ugen_get_cdesc(struct usb_fifo *f, struct usb_gen_descriptor *ugd) { struct usb_config_descriptor *cdesc; struct usb_device *udev = f->udev; int error; uint16_t len; uint8_t free_data; DPRINTFN(6, "\n"); if (ugd->ugd_data == NULL) { /* userland pointer should not be zero */ return (EINVAL); } if ((ugd->ugd_config_index == USB_UNCONFIG_INDEX) || (ugd->ugd_config_index == udev->curr_config_index)) { cdesc = usbd_get_config_descriptor(udev); if (cdesc == NULL) return (ENXIO); free_data = 0; } else { #if (USB_HAVE_FIXED_CONFIG == 0) if (usbd_req_get_config_desc_full(udev, NULL, &cdesc, ugd->ugd_config_index)) { return (ENXIO); } free_data = 1; #else /* configuration descriptor data is shared */ return (EINVAL); #endif } len = UGETW(cdesc->wTotalLength); if (len > ugd->ugd_maxlen) { len = ugd->ugd_maxlen; } DPRINTFN(6, "len=%u\n", len); ugd->ugd_actlen = len; ugd->ugd_offset = 0; error = copyout(cdesc, ugd->ugd_data, len); if (free_data) usbd_free_config_desc(udev, cdesc); return (error); } static int ugen_get_sdesc(struct usb_fifo *f, struct usb_gen_descriptor *ugd) { void *ptr; uint16_t size; int error; uint8_t do_unlock; /* Protect scratch area */ do_unlock = usbd_ctrl_lock(f->udev); ptr = f->udev->scratch.data; size = sizeof(f->udev->scratch.data); if (usbd_req_get_string_desc(f->udev, NULL, ptr, size, ugd->ugd_lang_id, ugd->ugd_string_index)) { error = EINVAL; } else { if (size > ((uint8_t *)ptr)[0]) { size = ((uint8_t *)ptr)[0]; } if (size > ugd->ugd_maxlen) { size = ugd->ugd_maxlen; } ugd->ugd_actlen = size; ugd->ugd_offset = 0; error = copyout(ptr, ugd->ugd_data, size); } if (do_unlock) usbd_ctrl_unlock(f->udev); return (error); } /*------------------------------------------------------------------------* * ugen_get_iface_driver * * This function generates an USB interface description for userland. * * Returns: * 0: Success * Else: Failure *------------------------------------------------------------------------*/ static int ugen_get_iface_driver(struct usb_fifo *f, struct usb_gen_descriptor *ugd) { struct usb_device *udev = f->udev; struct usb_interface *iface; const char *ptr; const char *desc; unsigned int len; unsigned int maxlen; char buf[128]; int error; DPRINTFN(6, "\n"); if ((ugd->ugd_data == NULL) || (ugd->ugd_maxlen == 0)) { /* userland pointer should not be zero */ return (EINVAL); } iface = usbd_get_iface(udev, ugd->ugd_iface_index); if ((iface == NULL) || (iface->idesc == NULL)) { /* invalid interface index */ return (EINVAL); } /* read out device nameunit string, if any */ if ((iface->subdev != NULL) && device_is_attached(iface->subdev) && (ptr = device_get_nameunit(iface->subdev)) && (desc = device_get_desc(iface->subdev))) { /* print description */ snprintf(buf, sizeof(buf), "%s: <%s>", ptr, desc); /* range checks */ maxlen = ugd->ugd_maxlen - 1; len = strlen(buf); if (len > maxlen) len = maxlen; /* update actual length, including terminating zero */ ugd->ugd_actlen = len + 1; /* copy out interface description */ error = copyout(buf, ugd->ugd_data, ugd->ugd_actlen); } else { /* zero length string is default */ error = copyout("", ugd->ugd_data, 1); } return (error); } /*------------------------------------------------------------------------* * ugen_fill_deviceinfo * * This function dumps information about an USB device to the * structure pointed to by the "di" argument. * * Returns: * 0: Success * Else: Failure *------------------------------------------------------------------------*/ int ugen_fill_deviceinfo(struct usb_fifo *f, struct usb_device_info *di) { struct usb_device *udev; struct usb_device *hub; udev = f->udev; bzero(di, sizeof(di[0])); di->udi_bus = device_get_unit(udev->bus->bdev); di->udi_addr = udev->address; di->udi_index = udev->device_index; strlcpy(di->udi_serial, usb_get_serial(udev), sizeof(di->udi_serial)); strlcpy(di->udi_vendor, usb_get_manufacturer(udev), sizeof(di->udi_vendor)); strlcpy(di->udi_product, usb_get_product(udev), sizeof(di->udi_product)); usb_printbcd(di->udi_release, sizeof(di->udi_release), UGETW(udev->ddesc.bcdDevice)); di->udi_vendorNo = UGETW(udev->ddesc.idVendor); di->udi_productNo = UGETW(udev->ddesc.idProduct); di->udi_releaseNo = UGETW(udev->ddesc.bcdDevice); di->udi_class = udev->ddesc.bDeviceClass; di->udi_subclass = udev->ddesc.bDeviceSubClass; di->udi_protocol = udev->ddesc.bDeviceProtocol; di->udi_config_no = udev->curr_config_no; di->udi_config_index = udev->curr_config_index; di->udi_power = udev->flags.self_powered ? 0 : udev->power; di->udi_speed = udev->speed; di->udi_mode = udev->flags.usb_mode; di->udi_power_mode = udev->power_mode; di->udi_suspended = udev->flags.peer_suspended; hub = udev->parent_hub; if (hub) { di->udi_hubaddr = hub->address; di->udi_hubindex = hub->device_index; di->udi_hubport = udev->port_no; } return (0); } int ugen_do_request(struct usb_fifo *f, struct usb_ctl_request *ur) { int error; uint16_t len; uint16_t actlen; if (usb_check_request(f->udev, &ur->ucr_request)) { return (EPERM); } len = UGETW(ur->ucr_request.wLength); /* check if "ucr_data" is valid */ if (len != 0) { if (ur->ucr_data == NULL) { return (EFAULT); } } /* do the USB request */ error = usbd_do_request_flags (f->udev, NULL, &ur->ucr_request, ur->ucr_data, (ur->ucr_flags & USB_SHORT_XFER_OK) | USB_USER_DATA_PTR, &actlen, USB_DEFAULT_TIMEOUT); ur->ucr_actlen = actlen; if (error) { error = EIO; } return (error); } #ifdef COMPAT_FREEBSD32 static int ugen_do_request32(struct usb_fifo *f, struct usb_ctl_request32 *ur32) { struct usb_ctl_request ur; int error; PTRIN_CP(*ur32, ur, ucr_data); CP(*ur32, ur, ucr_flags); CP(*ur32, ur, ucr_actlen); CP(*ur32, ur, ucr_addr); CP(*ur32, ur, ucr_request); error = ugen_do_request(f, &ur); /* Don't update ucr_data pointer */ CP(ur, *ur32, ucr_flags); CP(ur, *ur32, ucr_actlen); CP(ur, *ur32, ucr_addr); CP(ur, *ur32, ucr_request); return (error); } #endif /*------------------------------------------------------------------------ * ugen_re_enumerate *------------------------------------------------------------------------*/ static int ugen_re_enumerate(struct usb_fifo *f) { struct usb_device *udev = f->udev; int error; /* * This request can be useful for testing USB drivers: */ error = priv_check(curthread, PRIV_DRIVER); if (error) { return (error); } if (udev->flags.usb_mode != USB_MODE_HOST) { /* not possible in device side mode */ DPRINTFN(6, "device mode\n"); return (ENOTTY); } /* make sure all FIFO's are gone */ /* else there can be a deadlock */ if (ugen_fs_uninit(f)) { /* ignore any errors */ DPRINTFN(6, "no FIFOs\n"); } /* start re-enumeration of device */ usbd_start_re_enumerate(udev); return (0); } +static int +ugen_fs_init(struct usb_fifo *f, + struct usb_fs_endpoint *fs_ep_ptr, usb_size_t fs_ep_sz, + int fflags, uint8_t ep_index_max) +{ + int error; + + /* verify input parameters */ + if (fs_ep_ptr == NULL || ep_index_max > 127) + return (EINVAL); + + if (f->fs_xfer != NULL) + return (EBUSY); + + if (f->dev_ep_index != 0 || ep_index_max == 0) + return (EINVAL); + + if (ugen_fifo_in_use(f, fflags)) + return (EBUSY); + + error = usb_fifo_alloc_buffer(f, 1, ep_index_max); + if (error == 0) { + f->fs_xfer = malloc(sizeof(f->fs_xfer[0]) * + ep_index_max, M_USB, M_WAITOK | M_ZERO); + f->fs_ep_max = ep_index_max; + f->fs_ep_ptr = fs_ep_ptr; + f->fs_ep_sz = fs_ep_sz; + } + return (error); +} + int ugen_fs_uninit(struct usb_fifo *f) { if (f->fs_xfer == NULL) { return (EINVAL); } usbd_transfer_unsetup(f->fs_xfer, f->fs_ep_max); free(f->fs_xfer, M_USB); f->fs_xfer = NULL; f->fs_ep_max = 0; f->fs_ep_ptr = NULL; f->flag_iscomplete = 0; usb_fifo_free_buffer(f); return (0); } +static int +usb_fs_open(struct usb_fifo *f, struct usb_fs_open *popen, + int fflags, usb_stream_t stream_id) +{ + struct usb_config usb_config[1] = {}; + struct usb_endpoint *ep; + struct usb_endpoint_descriptor *ed; + uint8_t iface_index; + uint8_t pre_scale; + uint8_t isread; + int error; + + if (popen->ep_index >= f->fs_ep_max) + return (EINVAL); + + if (f->fs_xfer[popen->ep_index] != NULL) + return (EBUSY); + + if (popen->max_bufsize > USB_FS_MAX_BUFSIZE) + popen->max_bufsize = USB_FS_MAX_BUFSIZE; + + if (popen->max_frames & USB_FS_MAX_FRAMES_PRE_SCALE) { + pre_scale = 1; + popen->max_frames &= ~USB_FS_MAX_FRAMES_PRE_SCALE; + } else { + pre_scale = 0; + } + + if (popen->max_frames > USB_FS_MAX_FRAMES) + popen->max_frames = USB_FS_MAX_FRAMES; + + if (popen->max_frames == 0) + return (EINVAL); + + ep = usbd_get_ep_by_addr(f->udev, popen->ep_no); + if (ep == NULL) + return (EINVAL); + + ed = ep->edesc; + if (ed == NULL) + return (ENXIO); + + iface_index = ep->iface_index; + + usb_config[0].type = ed->bmAttributes & UE_XFERTYPE; + usb_config[0].endpoint = ed->bEndpointAddress & UE_ADDR; + usb_config[0].direction = ed->bEndpointAddress & (UE_DIR_OUT | UE_DIR_IN); + usb_config[0].interval = USB_DEFAULT_INTERVAL; + usb_config[0].flags.proxy_buffer = 1; + if (pre_scale != 0) + usb_config[0].flags.pre_scale_frames = 1; + + usb_config[0].callback = &ugen_ctrl_fs_callback; + usb_config[0].timeout = 0; /* no timeout */ + usb_config[0].frames = popen->max_frames; + usb_config[0].bufsize = popen->max_bufsize; + usb_config[0].usb_mode = USB_MODE_DUAL; /* both modes */ + usb_config[0].stream_id = stream_id; + + if (usb_config[0].type == UE_CONTROL) { + if (f->udev->flags.usb_mode != USB_MODE_HOST) + return (EINVAL); + } else { + isread = ((usb_config[0].endpoint & + (UE_DIR_IN | UE_DIR_OUT)) == UE_DIR_IN); + + if (f->udev->flags.usb_mode != USB_MODE_HOST) + isread = !isread; + + /* check permissions */ + if (isread) { + if (!(fflags & FREAD)) + return (EPERM); + } else { + if (!(fflags & FWRITE)) + return (EPERM); + } + } + error = usbd_transfer_setup(f->udev, &iface_index, + f->fs_xfer + popen->ep_index, usb_config, 1, + f, f->priv_mtx); + if (error == 0) { + /* update maximums */ + popen->max_packet_length = + f->fs_xfer[popen->ep_index]->max_frame_size; + popen->max_bufsize = + f->fs_xfer[popen->ep_index]->max_data_length; + /* update number of frames */ + popen->max_frames = + f->fs_xfer[popen->ep_index]->nframes; + /* store index of endpoint */ + f->fs_xfer[popen->ep_index]->priv_fifo = + ((uint8_t *)0) + popen->ep_index; + } else { + error = ENOMEM; + } + return (error); +} + +static int +usb_fs_close(struct usb_fifo *f, struct usb_fs_close *pclose) +{ + if (pclose->ep_index >= f->fs_ep_max) + return (EINVAL); + + usbd_transfer_unsetup(f->fs_xfer + pclose->ep_index, 1); + return (0); +} + +static int +usb_fs_clear_stall_sync(struct usb_fifo *f, struct usb_fs_clear_stall_sync *pstall) +{ + struct usb_device_request req; + struct usb_endpoint *ep; + int error; + + if (pstall->ep_index >= f->fs_ep_max) + return (EINVAL); + + if (f->fs_xfer[pstall->ep_index] == NULL) + return (EINVAL); + + if (f->udev->flags.usb_mode != USB_MODE_HOST) + return (EINVAL); + + mtx_lock(f->priv_mtx); + error = usbd_transfer_pending(f->fs_xfer[pstall->ep_index]); + mtx_unlock(f->priv_mtx); + + if (error) + return (EBUSY); + + ep = f->fs_xfer[pstall->ep_index]->endpoint; + + /* setup a clear-stall packet */ + req.bmRequestType = UT_WRITE_ENDPOINT; + req.bRequest = UR_CLEAR_FEATURE; + USETW(req.wValue, UF_ENDPOINT_HALT); + req.wIndex[0] = ep->edesc->bEndpointAddress; + req.wIndex[1] = 0; + USETW(req.wLength, 0); + + error = usbd_do_request(f->udev, NULL, &req, NULL); + if (error == 0) { + usbd_clear_data_toggle(f->udev, ep); + } else { + error = ENXIO; + } + return (error); +} + static uint8_t ugen_fs_get_complete(struct usb_fifo *f, uint8_t *pindex) { struct usb_mbuf *m; USB_IF_DEQUEUE(&f->used_q, m); if (m) { *pindex = *((uint8_t *)(m->cur_data_ptr)); USB_IF_ENQUEUE(&f->free_q, m); return (0); /* success */ } else { *pindex = 0; /* fix compiler warning */ f->flag_iscomplete = 0; } return (1); /* failure */ } static void ugen_fs_set_complete(struct usb_fifo *f, uint8_t index) { struct usb_mbuf *m; USB_IF_DEQUEUE(&f->free_q, m); if (m == NULL) { /* can happen during close */ DPRINTF("out of buffers\n"); return; } USB_MBUF_RESET(m); *((uint8_t *)(m->cur_data_ptr)) = index; USB_IF_ENQUEUE(&f->used_q, m); f->flag_iscomplete = 1; usb_fifo_wakeup(f); } static int ugen_fs_getbuffer(void **uptrp, struct usb_fifo *f, void *buffer, usb_frcount_t n) { union { void **ppBuffer; #ifdef COMPAT_FREEBSD32 uint32_t *ppBuffer32; #endif } u; #ifdef COMPAT_FREEBSD32 uint32_t uptr32; #endif u.ppBuffer = buffer; switch (f->fs_ep_sz) { case sizeof(struct usb_fs_endpoint): if (fueword(u.ppBuffer + n, (long *)uptrp) != 0) return (EFAULT); return (0); #ifdef COMPAT_FREEBSD32 case sizeof(struct usb_fs_endpoint32): if (fueword32(u.ppBuffer32 + n, &uptr32) != 0) return (EFAULT); *uptrp = PTRIN(uptr32); return (0); #endif default: panic("%s: unhandled fs_ep_sz %#x", __func__, f->fs_ep_sz); } } static int ugen_fs_copy_in(struct usb_fifo *f, uint8_t ep_index) { struct usb_device_request *req; struct usb_xfer *xfer; struct usb_fs_endpoint fs_ep; void *uaddr; /* userland pointer */ void *kaddr; usb_frlength_t offset; usb_frlength_t rem; usb_frcount_t n; uint32_t length; int error; uint8_t isread; if (ep_index >= f->fs_ep_max) { return (EINVAL); } xfer = f->fs_xfer[ep_index]; if (xfer == NULL) { return (EINVAL); } mtx_lock(f->priv_mtx); if (usbd_transfer_pending(xfer)) { mtx_unlock(f->priv_mtx); return (EBUSY); /* should not happen */ } mtx_unlock(f->priv_mtx); error = ugen_fs_copyin(f, ep_index, &fs_ep); if (error) { return (error); } /* security checks */ if (fs_ep.nFrames > xfer->max_frame_count) { xfer->error = USB_ERR_INVAL; goto complete; } if (fs_ep.nFrames == 0) { xfer->error = USB_ERR_INVAL; goto complete; } error = ugen_fs_getbuffer(&uaddr, f, fs_ep.ppBuffer, 0); if (error) { return (error); } /* reset first frame */ usbd_xfer_set_frame_offset(xfer, 0, 0); if (xfer->flags_int.control_xfr) { req = xfer->frbuffers[0].buffer; if (fueword32(fs_ep.pLength, &length) != 0) { return (EFAULT); } if (length != sizeof(*req)) { xfer->error = USB_ERR_INVAL; goto complete; } if (length != 0) { error = copyin(uaddr, req, length); if (error) { return (error); } } if (usb_check_request(f->udev, req)) { xfer->error = USB_ERR_INVAL; goto complete; } usbd_xfer_set_frame_len(xfer, 0, length); /* Host mode only ! */ if ((req->bmRequestType & (UT_READ | UT_WRITE)) == UT_READ) { isread = 1; } else { isread = 0; } n = 1; offset = sizeof(*req); } else { /* Device and Host mode */ if (USB_GET_DATA_ISREAD(xfer)) { isread = 1; } else { isread = 0; } n = 0; offset = 0; } rem = usbd_xfer_max_len(xfer); xfer->nframes = fs_ep.nFrames; xfer->timeout = fs_ep.timeout; if (xfer->timeout > 65535) { xfer->timeout = 65535; } if (fs_ep.flags & USB_FS_FLAG_SINGLE_SHORT_OK) xfer->flags.short_xfer_ok = 1; else xfer->flags.short_xfer_ok = 0; if (fs_ep.flags & USB_FS_FLAG_MULTI_SHORT_OK) xfer->flags.short_frames_ok = 1; else xfer->flags.short_frames_ok = 0; if (fs_ep.flags & USB_FS_FLAG_FORCE_SHORT) xfer->flags.force_short_xfer = 1; else xfer->flags.force_short_xfer = 0; if (fs_ep.flags & USB_FS_FLAG_CLEAR_STALL) usbd_xfer_set_stall(xfer); else xfer->flags.stall_pipe = 0; for (; n != xfer->nframes; n++) { if (fueword32(fs_ep.pLength + n, &length) != 0) { break; } usbd_xfer_set_frame_len(xfer, n, length); if (length > rem) { xfer->error = USB_ERR_INVAL; goto complete; } rem -= length; if (!isread) { /* we need to know the source buffer */ error = ugen_fs_getbuffer(&uaddr, f, fs_ep.ppBuffer, n); if (error) { break; } if (xfer->flags_int.isochronous_xfr) { /* get kernel buffer address */ kaddr = xfer->frbuffers[0].buffer; kaddr = USB_ADD_BYTES(kaddr, offset); } else { /* set current frame offset */ usbd_xfer_set_frame_offset(xfer, offset, n); /* get kernel buffer address */ kaddr = xfer->frbuffers[n].buffer; } /* move data */ error = copyin(uaddr, kaddr, length); if (error) { break; } } offset += length; } return (error); complete: mtx_lock(f->priv_mtx); ugen_fs_set_complete(f, ep_index); mtx_unlock(f->priv_mtx); return (0); } static struct usb_fs_endpoint * ugen_fs_ep_uptr(struct usb_fifo *f, uint8_t ep_index) { return ((struct usb_fs_endpoint *) ((char *)f->fs_ep_ptr + (ep_index * f->fs_ep_sz))); } static int ugen_fs_copyin(struct usb_fifo *f, uint8_t ep_index, struct usb_fs_endpoint* fs_ep) { #ifdef COMPAT_FREEBSD32 struct usb_fs_endpoint32 fs_ep32; #endif int error; switch (f->fs_ep_sz) { case sizeof(struct usb_fs_endpoint): error = copyin(ugen_fs_ep_uptr(f, ep_index), fs_ep, f->fs_ep_sz); if (error != 0) return (error); break; #ifdef COMPAT_FREEBSD32 case sizeof(struct usb_fs_endpoint32): error = copyin(ugen_fs_ep_uptr(f, ep_index), &fs_ep32, f->fs_ep_sz); if (error != 0) return (error); PTRIN_CP(fs_ep32, *fs_ep, ppBuffer); PTRIN_CP(fs_ep32, *fs_ep, pLength); CP(fs_ep32, *fs_ep, nFrames); CP(fs_ep32, *fs_ep, aFrames); CP(fs_ep32, *fs_ep, flags); CP(fs_ep32, *fs_ep, timeout); CP(fs_ep32, *fs_ep, isoc_time_complete); CP(fs_ep32, *fs_ep, status); break; #endif default: panic("%s: unhandled fs_ep_sz %#x", __func__, f->fs_ep_sz); } return (0); } static int ugen_fs_update(const struct usb_fs_endpoint *fs_ep, struct usb_fifo *f, uint8_t ep_index) { union { struct usb_fs_endpoint *fs_ep_uptr; #ifdef COMPAT_FREEBSD32 struct usb_fs_endpoint32 *fs_ep_uptr32; #endif } u; uint32_t *aFrames_uptr; uint16_t *isoc_time_complete_uptr; int *status_uptr; switch (f->fs_ep_sz) { case sizeof(struct usb_fs_endpoint): u.fs_ep_uptr = ugen_fs_ep_uptr(f, ep_index); aFrames_uptr = &u.fs_ep_uptr->aFrames; isoc_time_complete_uptr = &u.fs_ep_uptr->isoc_time_complete; status_uptr = &u.fs_ep_uptr->status; break; #ifdef COMPAT_FREEBSD32 case sizeof(struct usb_fs_endpoint32): u.fs_ep_uptr32 = (struct usb_fs_endpoint32 *) ugen_fs_ep_uptr(f, ep_index); aFrames_uptr = &u.fs_ep_uptr32->aFrames; isoc_time_complete_uptr = &u.fs_ep_uptr32->isoc_time_complete; status_uptr = &u.fs_ep_uptr32->status; break; #endif default: panic("%s: unhandled fs_ep_sz %#x", __func__, f->fs_ep_sz); } /* update "aFrames" */ if (suword32(aFrames_uptr, fs_ep->aFrames) != 0) return (EFAULT); /* update "isoc_time_complete" */ if (suword16(isoc_time_complete_uptr, fs_ep->isoc_time_complete) != 0) return (EFAULT); /* update "status" */ if (suword32(status_uptr, fs_ep->status) != 0) return (EFAULT); return (0); } static int ugen_fs_copy_out_cancelled(struct usb_fifo *f, uint8_t ep_index) { struct usb_fs_endpoint fs_ep; int error; error = ugen_fs_copyin(f, ep_index, &fs_ep); if (error) return (error); fs_ep.status = USB_ERR_CANCELLED; fs_ep.aFrames = 0; fs_ep.isoc_time_complete = 0; return (ugen_fs_update(&fs_ep, f, ep_index)); } static int ugen_fs_copy_out(struct usb_fifo *f, uint8_t ep_index) { struct usb_device_request *req; struct usb_xfer *xfer; struct usb_fs_endpoint fs_ep; void *uaddr; /* userland ptr */ void *kaddr; usb_frlength_t offset; usb_frlength_t rem; usb_frcount_t n; uint32_t length; uint32_t temp; int error; uint8_t isread; if (ep_index >= f->fs_ep_max) return (EINVAL); xfer = f->fs_xfer[ep_index]; if (xfer == NULL) return (EINVAL); mtx_lock(f->priv_mtx); if (!xfer->flags_int.transferring && !xfer->flags_int.started) { mtx_unlock(f->priv_mtx); DPRINTF("Returning fake cancel event\n"); return (ugen_fs_copy_out_cancelled(f, ep_index)); } else if (usbd_transfer_pending(xfer)) { mtx_unlock(f->priv_mtx); return (EBUSY); /* should not happen */ } mtx_unlock(f->priv_mtx); error = ugen_fs_copyin(f, ep_index, &fs_ep); if (error) { return (error); } fs_ep.status = xfer->error; fs_ep.aFrames = xfer->aframes; fs_ep.isoc_time_complete = xfer->isoc_time_complete; if (xfer->error) { goto complete; } if (xfer->flags_int.control_xfr) { req = xfer->frbuffers[0].buffer; /* Host mode only ! */ if ((req->bmRequestType & (UT_READ | UT_WRITE)) == UT_READ) { isread = 1; } else { isread = 0; } if (xfer->nframes == 0) n = 0; /* should never happen */ else n = 1; } else { /* Device and Host mode */ if (USB_GET_DATA_ISREAD(xfer)) { isread = 1; } else { isread = 0; } n = 0; } /* Update lengths and copy out data */ rem = usbd_xfer_max_len(xfer); offset = 0; for (; n != xfer->nframes; n++) { /* get initial length into "temp" */ if (fueword32(fs_ep.pLength + n, &temp) != 0) { return (EFAULT); } if (temp > rem) { /* the userland length has been corrupted */ DPRINTF("corrupt userland length " "%u > %u\n", temp, rem); fs_ep.status = USB_ERR_INVAL; goto complete; } rem -= temp; /* get actual transfer length */ length = xfer->frlengths[n]; if (length > temp) { /* data overflow */ fs_ep.status = USB_ERR_INVAL; DPRINTF("data overflow %u > %u\n", length, temp); goto complete; } if (isread) { /* we need to know the destination buffer */ error = ugen_fs_getbuffer(&uaddr, f, fs_ep.ppBuffer, n); if (error) { return (error); } if (xfer->flags_int.isochronous_xfr) { /* only one frame buffer */ kaddr = USB_ADD_BYTES( xfer->frbuffers[0].buffer, offset); } else { /* multiple frame buffers */ kaddr = xfer->frbuffers[n].buffer; } /* move data */ error = copyout(kaddr, uaddr, length); if (error) { goto complete; } } /* * Update offset according to initial length, which is * needed by isochronous transfers! */ offset += temp; /* update length */ if (suword32(fs_ep.pLength + n, length) != 0) goto complete; } complete: if (error == 0) error = ugen_fs_update(&fs_ep, f, ep_index); return (error); } static uint8_t ugen_fifo_in_use(struct usb_fifo *f, int fflags) { struct usb_fifo *f_rx; struct usb_fifo *f_tx; f_rx = f->udev->fifo[(f->fifo_index & ~1) + USB_FIFO_RX]; f_tx = f->udev->fifo[(f->fifo_index & ~1) + USB_FIFO_TX]; if ((fflags & FREAD) && f_rx && (f_rx->xfer[0] || f_rx->xfer[1])) { return (1); /* RX FIFO in use */ } if ((fflags & FWRITE) && f_tx && (f_tx->xfer[0] || f_tx->xfer[1])) { return (1); /* TX FIFO in use */ } return (0); /* not in use */ } static int ugen_ioctl(struct usb_fifo *f, u_long cmd, void *addr, int fflags) { - struct usb_config usb_config[1]; - struct usb_device_request req; union { struct usb_fs_complete *pcomp; struct usb_fs_start *pstart; struct usb_fs_stop *pstop; struct usb_fs_open *popen; struct usb_fs_open_stream *popen_stream; struct usb_fs_close *pclose; struct usb_fs_clear_stall_sync *pstall; void *addr; } u; - struct usb_endpoint *ep; - struct usb_endpoint_descriptor *ed; struct usb_xfer *xfer; - int error = 0; - uint8_t iface_index; - uint8_t isread; + int error; uint8_t ep_index; - uint8_t pre_scale; u.addr = addr; DPRINTFN(6, "cmd=0x%08lx\n", cmd); switch (cmd) { case USB_FS_COMPLETE: mtx_lock(f->priv_mtx); error = ugen_fs_get_complete(f, &ep_index); mtx_unlock(f->priv_mtx); - if (error) { + if (error != 0) { error = EBUSY; - break; + } else { + u.pcomp->ep_index = ep_index; + error = ugen_fs_copy_out(f, u.pcomp->ep_index); } - u.pcomp->ep_index = ep_index; - error = ugen_fs_copy_out(f, u.pcomp->ep_index); break; case USB_FS_START: error = ugen_fs_copy_in(f, u.pstart->ep_index); - if (error) - break; - mtx_lock(f->priv_mtx); - xfer = f->fs_xfer[u.pstart->ep_index]; - usbd_transfer_start(xfer); - mtx_unlock(f->priv_mtx); + if (error == 0) { + mtx_lock(f->priv_mtx); + xfer = f->fs_xfer[u.pstart->ep_index]; + usbd_transfer_start(xfer); + mtx_unlock(f->priv_mtx); + } break; case USB_FS_STOP: + mtx_lock(f->priv_mtx); if (u.pstop->ep_index >= f->fs_ep_max) { error = EINVAL; - break; - } - mtx_lock(f->priv_mtx); - xfer = f->fs_xfer[u.pstart->ep_index]; - if (usbd_transfer_pending(xfer)) { - usbd_transfer_stop(xfer); - - /* - * Check if the USB transfer was stopped - * before it was even started and fake a - * cancel event. - */ - if (!xfer->flags_int.transferring && - !xfer->flags_int.started) { - DPRINTF("Issuing fake completion event\n"); - ugen_fs_set_complete(xfer->priv_sc, - USB_P2U(xfer->priv_fifo)); + } else { + error = 0; + xfer = f->fs_xfer[u.pstart->ep_index]; + if (usbd_transfer_pending(xfer)) { + usbd_transfer_stop(xfer); + + /* + * Check if the USB transfer was + * stopped before it was even started + * and fake a cancel event. + */ + if (!xfer->flags_int.transferring && + !xfer->flags_int.started) { + DPRINTF("Issuing fake completion event\n"); + ugen_fs_set_complete(xfer->priv_sc, + USB_P2U(xfer->priv_fifo)); + } } } mtx_unlock(f->priv_mtx); break; case USB_FS_OPEN: case USB_FS_OPEN_STREAM: - if (u.popen->ep_index >= f->fs_ep_max) { - error = EINVAL; - break; - } - if (f->fs_xfer[u.popen->ep_index] != NULL) { - error = EBUSY; - break; - } - if (u.popen->max_bufsize > USB_FS_MAX_BUFSIZE) { - u.popen->max_bufsize = USB_FS_MAX_BUFSIZE; - } - if (u.popen->max_frames & USB_FS_MAX_FRAMES_PRE_SCALE) { - pre_scale = 1; - u.popen->max_frames &= ~USB_FS_MAX_FRAMES_PRE_SCALE; - } else { - pre_scale = 0; - } - if (u.popen->max_frames > USB_FS_MAX_FRAMES) { - u.popen->max_frames = USB_FS_MAX_FRAMES; - break; - } - if (u.popen->max_frames == 0) { - error = EINVAL; - break; - } - ep = usbd_get_ep_by_addr(f->udev, u.popen->ep_no); - if (ep == NULL) { - error = EINVAL; - break; - } - ed = ep->edesc; - if (ed == NULL) { - error = ENXIO; - break; - } - iface_index = ep->iface_index; - - memset(usb_config, 0, sizeof(usb_config)); - - usb_config[0].type = ed->bmAttributes & UE_XFERTYPE; - usb_config[0].endpoint = ed->bEndpointAddress & UE_ADDR; - usb_config[0].direction = ed->bEndpointAddress & (UE_DIR_OUT | UE_DIR_IN); - usb_config[0].interval = USB_DEFAULT_INTERVAL; - usb_config[0].flags.proxy_buffer = 1; - if (pre_scale != 0) - usb_config[0].flags.pre_scale_frames = 1; - usb_config[0].callback = &ugen_ctrl_fs_callback; - usb_config[0].timeout = 0; /* no timeout */ - usb_config[0].frames = u.popen->max_frames; - usb_config[0].bufsize = u.popen->max_bufsize; - usb_config[0].usb_mode = USB_MODE_DUAL; /* both modes */ - if (cmd == USB_FS_OPEN_STREAM) - usb_config[0].stream_id = u.popen_stream->stream_id; - - if (usb_config[0].type == UE_CONTROL) { - if (f->udev->flags.usb_mode != USB_MODE_HOST) { - error = EINVAL; - break; - } - } else { - isread = ((usb_config[0].endpoint & - (UE_DIR_IN | UE_DIR_OUT)) == UE_DIR_IN); - - if (f->udev->flags.usb_mode != USB_MODE_HOST) { - isread = !isread; - } - /* check permissions */ - if (isread) { - if (!(fflags & FREAD)) { - error = EPERM; - break; - } - } else { - if (!(fflags & FWRITE)) { - error = EPERM; - break; - } - } - } - error = usbd_transfer_setup(f->udev, &iface_index, - f->fs_xfer + u.popen->ep_index, usb_config, 1, - f, f->priv_mtx); - if (error == 0) { - /* update maximums */ - u.popen->max_packet_length = - f->fs_xfer[u.popen->ep_index]->max_frame_size; - u.popen->max_bufsize = - f->fs_xfer[u.popen->ep_index]->max_data_length; - /* update number of frames */ - u.popen->max_frames = - f->fs_xfer[u.popen->ep_index]->nframes; - /* store index of endpoint */ - f->fs_xfer[u.popen->ep_index]->priv_fifo = - ((uint8_t *)0) + u.popen->ep_index; - } else { - error = ENOMEM; - } + error = usb_fs_open(f, u.popen, fflags, + (cmd == USB_FS_OPEN_STREAM) ? u.popen_stream->stream_id : 0); break; case USB_FS_CLOSE: - if (u.pclose->ep_index >= f->fs_ep_max) { - error = EINVAL; - break; - } - if (f->fs_xfer[u.pclose->ep_index] == NULL) { - error = EINVAL; - break; - } - usbd_transfer_unsetup(f->fs_xfer + u.pclose->ep_index, 1); + error = usb_fs_close(f, u.pclose); break; case USB_FS_CLEAR_STALL_SYNC: - if (u.pstall->ep_index >= f->fs_ep_max) { - error = EINVAL; - break; - } - if (f->fs_xfer[u.pstall->ep_index] == NULL) { - error = EINVAL; - break; - } - if (f->udev->flags.usb_mode != USB_MODE_HOST) { - error = EINVAL; - break; - } - mtx_lock(f->priv_mtx); - error = usbd_transfer_pending(f->fs_xfer[u.pstall->ep_index]); - mtx_unlock(f->priv_mtx); - - if (error) { - return (EBUSY); - } - ep = f->fs_xfer[u.pstall->ep_index]->endpoint; - - /* setup a clear-stall packet */ - req.bmRequestType = UT_WRITE_ENDPOINT; - req.bRequest = UR_CLEAR_FEATURE; - USETW(req.wValue, UF_ENDPOINT_HALT); - req.wIndex[0] = ep->edesc->bEndpointAddress; - req.wIndex[1] = 0; - USETW(req.wLength, 0); - - error = usbd_do_request(f->udev, NULL, &req, NULL); - if (error == 0) { - usbd_clear_data_toggle(f->udev, ep); - } else { - error = ENXIO; - } + error = usb_fs_clear_stall_sync(f, u.pstall); break; default: error = ENOIOCTL; break; } DPRINTFN(6, "error=%d\n", error); return (error); } static int ugen_set_short_xfer(struct usb_fifo *f, void *addr) { uint8_t t; if (*(int *)addr) t = 1; else t = 0; if (f->flag_short == t) { /* same value like before - accept */ return (0); } if (f->xfer[0] || f->xfer[1]) { /* cannot change this during transfer */ return (EBUSY); } f->flag_short = t; return (0); } static int ugen_set_timeout(struct usb_fifo *f, void *addr) { f->timeout = *(int *)addr; if (f->timeout > 65535) { /* limit user input */ f->timeout = 65535; } return (0); } static int ugen_get_frame_size(struct usb_fifo *f, void *addr) { if (f->xfer[0]) { *(int *)addr = f->xfer[0]->max_frame_size; } else { return (EINVAL); } return (0); } static int ugen_set_buffer_size(struct usb_fifo *f, void *addr) { usb_frlength_t t; if (*(int *)addr < 0) t = 0; /* use "wMaxPacketSize" */ else if (*(int *)addr < (256 * 1024)) t = *(int *)addr; else t = 256 * 1024; if (f->bufsize == t) { /* same value like before - accept */ return (0); } if (f->xfer[0] || f->xfer[1]) { /* cannot change this during transfer */ return (EBUSY); } f->bufsize = t; return (0); } static int ugen_get_buffer_size(struct usb_fifo *f, void *addr) { *(int *)addr = f->bufsize; return (0); } static int ugen_get_iface_desc(struct usb_fifo *f, struct usb_interface_descriptor *idesc) { struct usb_interface *iface; iface = usbd_get_iface(f->udev, f->iface_index); if (iface && iface->idesc) { *idesc = *(iface->idesc); } else { return (EIO); } return (0); } static int ugen_get_endpoint_desc(struct usb_fifo *f, struct usb_endpoint_descriptor *ed) { struct usb_endpoint *ep; ep = usb_fifo_softc(f); if (ep && ep->edesc) { *ed = *ep->edesc; } else { return (EINVAL); } return (0); } static int ugen_set_power_mode(struct usb_fifo *f, int mode) { struct usb_device *udev = f->udev; int err; uint8_t old_mode; if ((udev == NULL) || (udev->parent_hub == NULL)) { return (EINVAL); } err = priv_check(curthread, PRIV_DRIVER); if (err) return (err); /* get old power mode */ old_mode = udev->power_mode; /* if no change, then just return */ if (old_mode == mode) return (0); switch (mode) { case USB_POWER_MODE_OFF: if (udev->flags.usb_mode == USB_MODE_HOST && udev->re_enumerate_wait == USB_RE_ENUM_DONE) { udev->re_enumerate_wait = USB_RE_ENUM_PWR_OFF; } /* set power mode will wake up the explore thread */ break; case USB_POWER_MODE_ON: case USB_POWER_MODE_SAVE: break; case USB_POWER_MODE_RESUME: #if USB_HAVE_POWERD /* let USB-powerd handle resume */ USB_BUS_LOCK(udev->bus); udev->pwr_save.write_refs++; udev->pwr_save.last_xfer_time = ticks; USB_BUS_UNLOCK(udev->bus); /* set new power mode */ usbd_set_power_mode(udev, USB_POWER_MODE_SAVE); /* wait for resume to complete */ usb_pause_mtx(NULL, hz / 4); /* clear write reference */ USB_BUS_LOCK(udev->bus); udev->pwr_save.write_refs--; USB_BUS_UNLOCK(udev->bus); #endif mode = USB_POWER_MODE_SAVE; break; case USB_POWER_MODE_SUSPEND: #if USB_HAVE_POWERD /* let USB-powerd handle suspend */ USB_BUS_LOCK(udev->bus); udev->pwr_save.last_xfer_time = ticks - (256 * hz); USB_BUS_UNLOCK(udev->bus); #endif mode = USB_POWER_MODE_SAVE; break; default: return (EINVAL); } if (err) return (ENXIO); /* I/O failure */ /* if we are powered off we need to re-enumerate first */ if (old_mode == USB_POWER_MODE_OFF) { if (udev->flags.usb_mode == USB_MODE_HOST && udev->re_enumerate_wait == USB_RE_ENUM_DONE) { udev->re_enumerate_wait = USB_RE_ENUM_START; } /* set power mode will wake up the explore thread */ } /* set new power mode */ usbd_set_power_mode(udev, mode); return (0); /* success */ } static int ugen_get_power_mode(struct usb_fifo *f) { struct usb_device *udev = f->udev; if (udev == NULL) return (USB_POWER_MODE_ON); return (udev->power_mode); } static int ugen_get_port_path(struct usb_fifo *f, struct usb_device_port_path *dpp) { struct usb_device *udev = f->udev; struct usb_device *next; unsigned int nlevel = 0; if (udev == NULL) goto error; dpp->udp_bus = device_get_unit(udev->bus->bdev); dpp->udp_index = udev->device_index; /* count port levels */ next = udev; while (next->parent_hub != NULL) { nlevel++; next = next->parent_hub; } /* check if too many levels */ if (nlevel > USB_DEVICE_PORT_PATH_MAX) goto error; /* store total level of ports */ dpp->udp_port_level = nlevel; /* store port index array */ next = udev; while (next->parent_hub != NULL) { dpp->udp_port_no[--nlevel] = next->port_no; next = next->parent_hub; } return (0); /* success */ error: return (EINVAL); /* failure */ } static int ugen_get_power_usage(struct usb_fifo *f) { struct usb_device *udev = f->udev; if (udev == NULL) return (0); return (udev->power); } static int ugen_do_port_feature(struct usb_fifo *f, uint8_t port_no, uint8_t set, uint16_t feature) { struct usb_device *udev = f->udev; struct usb_hub *hub; int err; err = priv_check(curthread, PRIV_DRIVER); if (err) { return (err); } if (port_no == 0) { return (EINVAL); } if ((udev == NULL) || (udev->hub == NULL)) { return (EINVAL); } hub = udev->hub; if (port_no > hub->nports) { return (EINVAL); } if (set) err = usbd_req_set_port_feature(udev, NULL, port_no, feature); else err = usbd_req_clear_port_feature(udev, NULL, port_no, feature); if (err) return (ENXIO); /* failure */ return (0); /* success */ } static int ugen_iface_ioctl(struct usb_fifo *f, u_long cmd, void *addr, int fflags) { struct usb_fifo *f_rx; struct usb_fifo *f_tx; int error = 0; f_rx = f->udev->fifo[(f->fifo_index & ~1) + USB_FIFO_RX]; f_tx = f->udev->fifo[(f->fifo_index & ~1) + USB_FIFO_TX]; switch (cmd) { case USB_SET_RX_SHORT_XFER: if (fflags & FREAD) { error = ugen_set_short_xfer(f_rx, addr); } else { error = EINVAL; } break; case USB_SET_TX_FORCE_SHORT: if (fflags & FWRITE) { error = ugen_set_short_xfer(f_tx, addr); } else { error = EINVAL; } break; case USB_SET_RX_TIMEOUT: if (fflags & FREAD) { error = ugen_set_timeout(f_rx, addr); } else { error = EINVAL; } break; case USB_SET_TX_TIMEOUT: if (fflags & FWRITE) { error = ugen_set_timeout(f_tx, addr); } else { error = EINVAL; } break; case USB_GET_RX_FRAME_SIZE: if (fflags & FREAD) { error = ugen_get_frame_size(f_rx, addr); } else { error = EINVAL; } break; case USB_GET_TX_FRAME_SIZE: if (fflags & FWRITE) { error = ugen_get_frame_size(f_tx, addr); } else { error = EINVAL; } break; case USB_SET_RX_BUFFER_SIZE: if (fflags & FREAD) { error = ugen_set_buffer_size(f_rx, addr); } else { error = EINVAL; } break; case USB_SET_TX_BUFFER_SIZE: if (fflags & FWRITE) { error = ugen_set_buffer_size(f_tx, addr); } else { error = EINVAL; } break; case USB_GET_RX_BUFFER_SIZE: if (fflags & FREAD) { error = ugen_get_buffer_size(f_rx, addr); } else { error = EINVAL; } break; case USB_GET_TX_BUFFER_SIZE: if (fflags & FWRITE) { error = ugen_get_buffer_size(f_tx, addr); } else { error = EINVAL; } break; case USB_GET_RX_INTERFACE_DESC: if (fflags & FREAD) { error = ugen_get_iface_desc(f_rx, addr); } else { error = EINVAL; } break; case USB_GET_TX_INTERFACE_DESC: if (fflags & FWRITE) { error = ugen_get_iface_desc(f_tx, addr); } else { error = EINVAL; } break; case USB_GET_RX_ENDPOINT_DESC: if (fflags & FREAD) { error = ugen_get_endpoint_desc(f_rx, addr); } else { error = EINVAL; } break; case USB_GET_TX_ENDPOINT_DESC: if (fflags & FWRITE) { error = ugen_get_endpoint_desc(f_tx, addr); } else { error = EINVAL; } break; case USB_SET_RX_STALL_FLAG: if ((fflags & FREAD) && (*(int *)addr)) { f_rx->flag_stall = 1; } break; case USB_SET_TX_STALL_FLAG: if ((fflags & FWRITE) && (*(int *)addr)) { f_tx->flag_stall = 1; } break; default: error = ENOIOCTL; break; } return (error); } static int ugen_ioctl_post(struct usb_fifo *f, u_long cmd, void *addr, int fflags) { -#ifdef COMPAT_FREEBSD32 - struct usb_fs_init local_pinit; -#endif union { struct usb_interface_descriptor *idesc; struct usb_alt_interface *ai; struct usb_device_descriptor *ddesc; struct usb_config_descriptor *cdesc; struct usb_device_stats *stat; struct usb_fs_init *pinit; #ifdef COMPAT_FREEBSD32 struct usb_fs_init32 *pinit32; #endif struct usb_fs_uninit *puninit; struct usb_device_port_path *dpp; uint32_t *ptime; void *addr; int *pint; } u; struct usb_device_descriptor *dtemp; struct usb_config_descriptor *ctemp; struct usb_interface *iface; - size_t usb_fs_endpoint_sz = sizeof(struct usb_fs_endpoint); int error = 0; uint8_t n; u.addr = addr; DPRINTFN(6, "cmd=0x%08lx\n", cmd); -#ifdef COMPAT_FREEBSD32 - switch (cmd) { - case USB_FS_INIT32: - PTRIN_CP(*u.pinit32, local_pinit, pEndpoints); - CP(*u.pinit32, local_pinit, ep_index_max); - u.addr = &local_pinit; - cmd = _IOC_NEWTYPE(USB_FS_INIT, struct usb_fs_init); - usb_fs_endpoint_sz = sizeof(struct usb_fs_endpoint32); - break; - } -#endif - switch (cmd) { case USB_DISCOVER: usb_needs_explore_all(); break; case USB_SETDEBUG: if (!(fflags & FWRITE)) { error = EPERM; break; } usb_debug = *(int *)addr; break; case USB_GET_CONFIG: *(int *)addr = f->udev->curr_config_index; break; case USB_SET_CONFIG: if (!(fflags & FWRITE)) { error = EPERM; break; } error = ugen_set_config(f, *(int *)addr); break; case USB_GET_ALTINTERFACE: iface = usbd_get_iface(f->udev, u.ai->uai_interface_index); if (iface && iface->idesc) { u.ai->uai_alt_index = iface->alt_index; } else { error = EINVAL; } break; case USB_SET_ALTINTERFACE: if (!(fflags & FWRITE)) { error = EPERM; break; } error = ugen_set_interface(f, u.ai->uai_interface_index, u.ai->uai_alt_index); break; case USB_GET_DEVICE_DESC: dtemp = usbd_get_device_descriptor(f->udev); if (!dtemp) { error = EIO; break; } *u.ddesc = *dtemp; break; case USB_GET_CONFIG_DESC: ctemp = usbd_get_config_descriptor(f->udev); if (!ctemp) { error = EIO; break; } *u.cdesc = *ctemp; break; case USB_GET_FULL_DESC: error = ugen_get_cdesc(f, addr); break; case USB_GET_STRING_DESC: error = ugen_get_sdesc(f, addr); break; case USB_GET_IFACE_DRIVER: error = ugen_get_iface_driver(f, addr); break; #ifdef COMPAT_FREEBSD32 case USB_GET_FULL_DESC32: case USB_GET_STRING_DESC32: case USB_GET_IFACE_DRIVER32: error = ugen_get32(cmd, f, addr); break; #endif case USB_REQUEST: case USB_DO_REQUEST: if (!(fflags & FWRITE)) { error = EPERM; break; } error = ugen_do_request(f, addr); break; #ifdef COMPAT_FREEBSD32 case USB_REQUEST32: case USB_DO_REQUEST32: if (!(fflags & FWRITE)) { error = EPERM; break; } error = ugen_do_request32(f, addr); break; #endif case USB_DEVICEINFO: case USB_GET_DEVICEINFO: error = ugen_fill_deviceinfo(f, addr); break; case USB_DEVICESTATS: for (n = 0; n != 4; n++) { u.stat->uds_requests_fail[n] = f->udev->stats_err.uds_requests[n]; u.stat->uds_requests_ok[n] = f->udev->stats_ok.uds_requests[n]; } break; case USB_DEVICEENUMERATE: error = ugen_re_enumerate(f); break; case USB_GET_PLUGTIME: *u.ptime = f->udev->plugtime; break; case USB_CLAIM_INTERFACE: case USB_RELEASE_INTERFACE: /* TODO */ break; case USB_IFACE_DRIVER_ACTIVE: n = *u.pint & 0xFF; iface = usbd_get_iface(f->udev, n); if (iface && iface->subdev) error = 0; else error = ENXIO; break; case USB_IFACE_DRIVER_DETACH: error = priv_check(curthread, PRIV_DRIVER); if (error) break; n = *u.pint & 0xFF; if (n == USB_IFACE_INDEX_ANY) { error = EINVAL; break; } /* * Detach the currently attached driver. */ usb_detach_device(f->udev, n, 0); /* * Set parent to self, this should keep attach away * until the next set configuration event. */ usbd_set_parent_iface(f->udev, n, n); break; case USB_SET_POWER_MODE: error = ugen_set_power_mode(f, *u.pint); break; case USB_GET_POWER_MODE: *u.pint = ugen_get_power_mode(f); break; case USB_GET_DEV_PORT_PATH: error = ugen_get_port_path(f, u.dpp); break; case USB_GET_POWER_USAGE: *u.pint = ugen_get_power_usage(f); break; case USB_SET_PORT_ENABLE: error = ugen_do_port_feature(f, *u.pint, 1, UHF_PORT_ENABLE); break; case USB_SET_PORT_DISABLE: error = ugen_do_port_feature(f, *u.pint, 0, UHF_PORT_ENABLE); break; case USB_FS_INIT: - /* verify input parameters */ - if (u.pinit->pEndpoints == NULL) { - error = EINVAL; - break; - } - if (u.pinit->ep_index_max > 127) { - error = EINVAL; - break; - } - if (u.pinit->ep_index_max == 0) { - error = EINVAL; - break; - } - if (f->fs_xfer != NULL) { - error = EBUSY; - break; - } - if (f->dev_ep_index != 0) { - error = EINVAL; - break; - } - if (ugen_fifo_in_use(f, fflags)) { - error = EBUSY; - break; - } - error = usb_fifo_alloc_buffer(f, 1, u.pinit->ep_index_max); - if (error) { - break; - } - f->fs_xfer = malloc(sizeof(f->fs_xfer[0]) * - u.pinit->ep_index_max, M_USB, M_WAITOK | M_ZERO); - f->fs_ep_max = u.pinit->ep_index_max; - f->fs_ep_ptr = u.pinit->pEndpoints; - f->fs_ep_sz = usb_fs_endpoint_sz; + error = ugen_fs_init(f, u.pinit->pEndpoints, + sizeof(struct usb_fs_endpoint), fflags, + u.pinit->ep_index_max); break; - +#ifdef COMPAT_FREEBSD32 + case USB_FS_INIT32: + error = ugen_fs_init(f, PTRIN(u.pinit32->pEndpoints), + sizeof(struct usb_fs_endpoint32), fflags, + u.pinit32->ep_index_max); + break; +#endif case USB_FS_UNINIT: if (u.puninit->dummy != 0) { error = EINVAL; break; } error = ugen_fs_uninit(f); break; default: mtx_lock(f->priv_mtx); error = ugen_iface_ioctl(f, cmd, addr, fflags); mtx_unlock(f->priv_mtx); break; } DPRINTFN(6, "error=%d\n", error); return (error); } static void ugen_ctrl_fs_callback(struct usb_xfer *xfer, usb_error_t error) { ; /* workaround for a bug in "indent" */ DPRINTF("st=%u alen=%u aframes=%u\n", USB_GET_STATE(xfer), xfer->actlen, xfer->aframes); switch (USB_GET_STATE(xfer)) { case USB_ST_SETUP: usbd_transfer_submit(xfer); break; default: ugen_fs_set_complete(xfer->priv_sc, USB_P2U(xfer->priv_fifo)); break; } } #ifdef COMPAT_FREEBSD32 void usb_gen_descriptor_from32(struct usb_gen_descriptor *ugd, const struct usb_gen_descriptor32 *ugd32) { PTRIN_CP(*ugd32, *ugd, ugd_data); CP(*ugd32, *ugd, ugd_lang_id); CP(*ugd32, *ugd, ugd_maxlen); CP(*ugd32, *ugd, ugd_actlen); CP(*ugd32, *ugd, ugd_offset); CP(*ugd32, *ugd, ugd_config_index); CP(*ugd32, *ugd, ugd_string_index); CP(*ugd32, *ugd, ugd_iface_index); CP(*ugd32, *ugd, ugd_altif_index); CP(*ugd32, *ugd, ugd_endpt_index); CP(*ugd32, *ugd, ugd_report_type); /* Don't copy reserved */ } void update_usb_gen_descriptor32(struct usb_gen_descriptor32 *ugd32, struct usb_gen_descriptor *ugd) { /* Don't update ugd_data pointer */ CP(*ugd32, *ugd, ugd_lang_id); CP(*ugd32, *ugd, ugd_maxlen); CP(*ugd32, *ugd, ugd_actlen); CP(*ugd32, *ugd, ugd_offset); CP(*ugd32, *ugd, ugd_config_index); CP(*ugd32, *ugd, ugd_string_index); CP(*ugd32, *ugd, ugd_iface_index); CP(*ugd32, *ugd, ugd_altif_index); CP(*ugd32, *ugd, ugd_endpt_index); CP(*ugd32, *ugd, ugd_report_type); /* Don't update reserved */ } static int ugen_get32(u_long cmd, struct usb_fifo *f, struct usb_gen_descriptor32 *ugd32) { struct usb_gen_descriptor ugd; int error; usb_gen_descriptor_from32(&ugd, ugd32); switch (cmd) { case USB_GET_FULL_DESC32: error = ugen_get_cdesc(f, &ugd); break; case USB_GET_STRING_DESC32: error = ugen_get_sdesc(f, &ugd); break; case USB_GET_IFACE_DRIVER32: error = ugen_get_iface_driver(f, &ugd); break; default: /* Can't happen except by programmer error */ panic("%s: called with invalid cmd %lx", __func__, cmd); } update_usb_gen_descriptor32(ugd32, &ugd); return (error); } #endif /* COMPAT_FREEBSD32 */ #endif /* USB_HAVE_UGEN */