Lines Matching refs:urb
478 static int rh_call_control (struct usb_hcd *hcd, struct urb *urb) in rh_call_control() argument
482 u8 *ubuf = urb->transfer_buffer; in rh_call_control()
494 status = usb_hcd_link_urb_to_ep(hcd, urb); in rh_call_control()
498 urb->hcpriv = hcd; /* Indicate it's queued */ in rh_call_control()
500 cmd = (struct usb_ctrlrequest *) urb->setup_packet; in rh_call_control()
506 if (wLength > urb->transfer_buffer_length) in rh_call_control()
523 urb->actual_length = 0; in rh_call_control()
622 urb->actual_length = rh_string(wValue & 0xff, in rh_call_control()
711 if (urb->transfer_buffer_length < len) in rh_call_control()
712 len = urb->transfer_buffer_length; in rh_call_control()
713 urb->actual_length = len; in rh_call_control()
737 usb_hcd_unlink_urb_from_ep(hcd, urb); in rh_call_control()
738 usb_hcd_giveback_urb(hcd, urb, status); in rh_call_control()
754 struct urb *urb; in usb_hcd_poll_rh_status() local
769 urb = hcd->status_urb; in usb_hcd_poll_rh_status()
770 if (urb) { in usb_hcd_poll_rh_status()
773 urb->actual_length = length; in usb_hcd_poll_rh_status()
774 memcpy(urb->transfer_buffer, buffer, length); in usb_hcd_poll_rh_status()
776 usb_hcd_unlink_urb_from_ep(hcd, urb); in usb_hcd_poll_rh_status()
777 usb_hcd_giveback_urb(hcd, urb, 0); in usb_hcd_poll_rh_status()
805 static int rh_queue_status (struct usb_hcd *hcd, struct urb *urb) in rh_queue_status() argument
809 unsigned len = 1 + (urb->dev->maxchild / 8); in rh_queue_status()
812 if (hcd->status_urb || urb->transfer_buffer_length < len) { in rh_queue_status()
818 retval = usb_hcd_link_urb_to_ep(hcd, urb); in rh_queue_status()
822 hcd->status_urb = urb; in rh_queue_status()
823 urb->hcpriv = hcd; /* indicate it's queued */ in rh_queue_status()
836 static int rh_urb_enqueue (struct usb_hcd *hcd, struct urb *urb) in rh_urb_enqueue() argument
838 if (usb_endpoint_xfer_int(&urb->ep->desc)) in rh_urb_enqueue()
839 return rh_queue_status (hcd, urb); in rh_urb_enqueue()
840 if (usb_endpoint_xfer_control(&urb->ep->desc)) in rh_urb_enqueue()
841 return rh_call_control (hcd, urb); in rh_urb_enqueue()
850 static int usb_rh_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status) in usb_rh_urb_dequeue() argument
856 rc = usb_hcd_check_unlink_urb(hcd, urb, status); in usb_rh_urb_dequeue()
860 if (usb_endpoint_num(&urb->ep->desc) == 0) { /* Control URB */ in usb_rh_urb_dequeue()
866 if (urb == hcd->status_urb) { in usb_rh_urb_dequeue()
868 usb_hcd_unlink_urb_from_ep(hcd, urb); in usb_rh_urb_dequeue()
869 usb_hcd_giveback_urb(hcd, urb, status); in usb_rh_urb_dequeue()
1146 int usb_hcd_link_urb_to_ep(struct usb_hcd *hcd, struct urb *urb) in usb_hcd_link_urb_to_ep() argument
1153 if (unlikely(atomic_read(&urb->reject))) { in usb_hcd_link_urb_to_ep()
1158 if (unlikely(!urb->ep->enabled)) { in usb_hcd_link_urb_to_ep()
1163 if (unlikely(!urb->dev->can_submit)) { in usb_hcd_link_urb_to_ep()
1173 urb->unlinked = 0; in usb_hcd_link_urb_to_ep()
1174 list_add_tail(&urb->urb_list, &urb->ep->urb_list); in usb_hcd_link_urb_to_ep()
1204 int usb_hcd_check_unlink_urb(struct usb_hcd *hcd, struct urb *urb, in usb_hcd_check_unlink_urb() argument
1210 list_for_each(tmp, &urb->ep->urb_list) { in usb_hcd_check_unlink_urb()
1211 if (tmp == &urb->urb_list) in usb_hcd_check_unlink_urb()
1214 if (tmp != &urb->urb_list) in usb_hcd_check_unlink_urb()
1220 if (urb->unlinked) in usb_hcd_check_unlink_urb()
1222 urb->unlinked = status; in usb_hcd_check_unlink_urb()
1237 void usb_hcd_unlink_urb_from_ep(struct usb_hcd *hcd, struct urb *urb) in usb_hcd_unlink_urb_from_ep() argument
1241 list_del_init(&urb->urb_list); in usb_hcd_unlink_urb_from_ep()
1324 void usb_hcd_unmap_urb_setup_for_dma(struct usb_hcd *hcd, struct urb *urb) in usb_hcd_unmap_urb_setup_for_dma() argument
1327 (urb->transfer_flags & URB_SETUP_MAP_SINGLE)) in usb_hcd_unmap_urb_setup_for_dma()
1329 urb->setup_dma, in usb_hcd_unmap_urb_setup_for_dma()
1332 else if (urb->transfer_flags & URB_SETUP_MAP_LOCAL) in usb_hcd_unmap_urb_setup_for_dma()
1333 hcd_free_coherent(urb->dev->bus, in usb_hcd_unmap_urb_setup_for_dma()
1334 &urb->setup_dma, in usb_hcd_unmap_urb_setup_for_dma()
1335 (void **) &urb->setup_packet, in usb_hcd_unmap_urb_setup_for_dma()
1340 urb->transfer_flags &= ~(URB_SETUP_MAP_SINGLE | URB_SETUP_MAP_LOCAL); in usb_hcd_unmap_urb_setup_for_dma()
1344 static void unmap_urb_for_dma(struct usb_hcd *hcd, struct urb *urb) in unmap_urb_for_dma() argument
1347 hcd->driver->unmap_urb_for_dma(hcd, urb); in unmap_urb_for_dma()
1349 usb_hcd_unmap_urb_for_dma(hcd, urb); in unmap_urb_for_dma()
1352 void usb_hcd_unmap_urb_for_dma(struct usb_hcd *hcd, struct urb *urb) in usb_hcd_unmap_urb_for_dma() argument
1356 usb_hcd_unmap_urb_setup_for_dma(hcd, urb); in usb_hcd_unmap_urb_for_dma()
1358 dir = usb_urb_dir_in(urb) ? DMA_FROM_DEVICE : DMA_TO_DEVICE; in usb_hcd_unmap_urb_for_dma()
1360 (urb->transfer_flags & URB_DMA_MAP_SG)) in usb_hcd_unmap_urb_for_dma()
1362 urb->sg, in usb_hcd_unmap_urb_for_dma()
1363 urb->num_sgs, in usb_hcd_unmap_urb_for_dma()
1366 (urb->transfer_flags & URB_DMA_MAP_PAGE)) in usb_hcd_unmap_urb_for_dma()
1368 urb->transfer_dma, in usb_hcd_unmap_urb_for_dma()
1369 urb->transfer_buffer_length, in usb_hcd_unmap_urb_for_dma()
1372 (urb->transfer_flags & URB_DMA_MAP_SINGLE)) in usb_hcd_unmap_urb_for_dma()
1374 urb->transfer_dma, in usb_hcd_unmap_urb_for_dma()
1375 urb->transfer_buffer_length, in usb_hcd_unmap_urb_for_dma()
1377 else if (urb->transfer_flags & URB_MAP_LOCAL) in usb_hcd_unmap_urb_for_dma()
1378 hcd_free_coherent(urb->dev->bus, in usb_hcd_unmap_urb_for_dma()
1379 &urb->transfer_dma, in usb_hcd_unmap_urb_for_dma()
1380 &urb->transfer_buffer, in usb_hcd_unmap_urb_for_dma()
1381 urb->transfer_buffer_length, in usb_hcd_unmap_urb_for_dma()
1385 urb->transfer_flags &= ~(URB_DMA_MAP_SG | URB_DMA_MAP_PAGE | in usb_hcd_unmap_urb_for_dma()
1390 static int map_urb_for_dma(struct usb_hcd *hcd, struct urb *urb, in map_urb_for_dma() argument
1394 return hcd->driver->map_urb_for_dma(hcd, urb, mem_flags); in map_urb_for_dma()
1396 return usb_hcd_map_urb_for_dma(hcd, urb, mem_flags); in map_urb_for_dma()
1399 int usb_hcd_map_urb_for_dma(struct usb_hcd *hcd, struct urb *urb, in usb_hcd_map_urb_for_dma() argument
1411 if (usb_endpoint_xfer_control(&urb->ep->desc)) { in usb_hcd_map_urb_for_dma()
1416 urb->dev->bus, mem_flags, in usb_hcd_map_urb_for_dma()
1417 &urb->setup_dma, in usb_hcd_map_urb_for_dma()
1418 (void **)&urb->setup_packet, in usb_hcd_map_urb_for_dma()
1423 urb->transfer_flags |= URB_SETUP_MAP_LOCAL; in usb_hcd_map_urb_for_dma()
1425 if (object_is_on_stack(urb->setup_packet)) { in usb_hcd_map_urb_for_dma()
1430 urb->setup_dma = dma_map_single( in usb_hcd_map_urb_for_dma()
1432 urb->setup_packet, in usb_hcd_map_urb_for_dma()
1436 urb->setup_dma)) in usb_hcd_map_urb_for_dma()
1438 urb->transfer_flags |= URB_SETUP_MAP_SINGLE; in usb_hcd_map_urb_for_dma()
1442 dir = usb_urb_dir_in(urb) ? DMA_FROM_DEVICE : DMA_TO_DEVICE; in usb_hcd_map_urb_for_dma()
1443 if (urb->transfer_buffer_length != 0 in usb_hcd_map_urb_for_dma()
1444 && !(urb->transfer_flags & URB_NO_TRANSFER_DMA_MAP)) { in usb_hcd_map_urb_for_dma()
1447 urb->dev->bus, mem_flags, in usb_hcd_map_urb_for_dma()
1448 &urb->transfer_dma, in usb_hcd_map_urb_for_dma()
1449 &urb->transfer_buffer, in usb_hcd_map_urb_for_dma()
1450 urb->transfer_buffer_length, in usb_hcd_map_urb_for_dma()
1453 urb->transfer_flags |= URB_MAP_LOCAL; in usb_hcd_map_urb_for_dma()
1455 if (urb->num_sgs) { in usb_hcd_map_urb_for_dma()
1459 if (usb_endpoint_xfer_isoc(&urb->ep->desc)) { in usb_hcd_map_urb_for_dma()
1466 urb->sg, in usb_hcd_map_urb_for_dma()
1467 urb->num_sgs, in usb_hcd_map_urb_for_dma()
1472 urb->transfer_flags |= URB_DMA_MAP_SG; in usb_hcd_map_urb_for_dma()
1473 urb->num_mapped_sgs = n; in usb_hcd_map_urb_for_dma()
1474 if (n != urb->num_sgs) in usb_hcd_map_urb_for_dma()
1475 urb->transfer_flags |= in usb_hcd_map_urb_for_dma()
1477 } else if (urb->sg) { in usb_hcd_map_urb_for_dma()
1478 struct scatterlist *sg = urb->sg; in usb_hcd_map_urb_for_dma()
1479 urb->transfer_dma = dma_map_page( in usb_hcd_map_urb_for_dma()
1483 urb->transfer_buffer_length, in usb_hcd_map_urb_for_dma()
1486 urb->transfer_dma)) in usb_hcd_map_urb_for_dma()
1489 urb->transfer_flags |= URB_DMA_MAP_PAGE; in usb_hcd_map_urb_for_dma()
1490 } else if (object_is_on_stack(urb->transfer_buffer)) { in usb_hcd_map_urb_for_dma()
1494 urb->transfer_dma = dma_map_single( in usb_hcd_map_urb_for_dma()
1496 urb->transfer_buffer, in usb_hcd_map_urb_for_dma()
1497 urb->transfer_buffer_length, in usb_hcd_map_urb_for_dma()
1500 urb->transfer_dma)) in usb_hcd_map_urb_for_dma()
1503 urb->transfer_flags |= URB_DMA_MAP_SINGLE; in usb_hcd_map_urb_for_dma()
1506 if (ret && (urb->transfer_flags & (URB_SETUP_MAP_SINGLE | in usb_hcd_map_urb_for_dma()
1508 usb_hcd_unmap_urb_for_dma(hcd, urb); in usb_hcd_map_urb_for_dma()
1521 int usb_hcd_submit_urb (struct urb *urb, gfp_t mem_flags) in usb_hcd_submit_urb() argument
1524 struct usb_hcd *hcd = bus_to_hcd(urb->dev->bus); in usb_hcd_submit_urb()
1530 usb_get_urb(urb); in usb_hcd_submit_urb()
1531 atomic_inc(&urb->use_count); in usb_hcd_submit_urb()
1532 atomic_inc(&urb->dev->urbnum); in usb_hcd_submit_urb()
1533 usbmon_urb_submit(&hcd->self, urb); in usb_hcd_submit_urb()
1543 if (is_root_hub(urb->dev)) { in usb_hcd_submit_urb()
1544 status = rh_urb_enqueue(hcd, urb); in usb_hcd_submit_urb()
1546 status = map_urb_for_dma(hcd, urb, mem_flags); in usb_hcd_submit_urb()
1548 status = hcd->driver->urb_enqueue(hcd, urb, mem_flags); in usb_hcd_submit_urb()
1550 unmap_urb_for_dma(hcd, urb); in usb_hcd_submit_urb()
1555 usbmon_urb_submit_error(&hcd->self, urb, status); in usb_hcd_submit_urb()
1556 urb->hcpriv = NULL; in usb_hcd_submit_urb()
1557 INIT_LIST_HEAD(&urb->urb_list); in usb_hcd_submit_urb()
1558 atomic_dec(&urb->use_count); in usb_hcd_submit_urb()
1559 atomic_dec(&urb->dev->urbnum); in usb_hcd_submit_urb()
1560 if (atomic_read(&urb->reject)) in usb_hcd_submit_urb()
1562 usb_put_urb(urb); in usb_hcd_submit_urb()
1574 static int unlink1(struct usb_hcd *hcd, struct urb *urb, int status) in unlink1() argument
1578 if (is_root_hub(urb->dev)) in unlink1()
1579 value = usb_rh_urb_dequeue(hcd, urb, status); in unlink1()
1585 value = hcd->driver->urb_dequeue(hcd, urb, status); in unlink1()
1596 int usb_hcd_unlink_urb (struct urb *urb, int status) in usb_hcd_unlink_urb() argument
1599 struct usb_device *udev = urb->dev; in usb_hcd_unlink_urb()
1609 if (atomic_read(&urb->use_count) > 0) { in usb_hcd_unlink_urb()
1615 hcd = bus_to_hcd(urb->dev->bus); in usb_hcd_unlink_urb()
1616 retval = unlink1(hcd, urb, status); in usb_hcd_unlink_urb()
1621 urb, retval); in usb_hcd_unlink_urb()
1629 static void __usb_hcd_giveback_urb(struct urb *urb) in __usb_hcd_giveback_urb() argument
1631 struct usb_hcd *hcd = bus_to_hcd(urb->dev->bus); in __usb_hcd_giveback_urb()
1632 struct usb_anchor *anchor = urb->anchor; in __usb_hcd_giveback_urb()
1633 int status = urb->unlinked; in __usb_hcd_giveback_urb()
1635 urb->hcpriv = NULL; in __usb_hcd_giveback_urb()
1636 if (unlikely((urb->transfer_flags & URB_SHORT_NOT_OK) && in __usb_hcd_giveback_urb()
1637 urb->actual_length < urb->transfer_buffer_length && in __usb_hcd_giveback_urb()
1641 unmap_urb_for_dma(hcd, urb); in __usb_hcd_giveback_urb()
1642 usbmon_urb_complete(&hcd->self, urb, status); in __usb_hcd_giveback_urb()
1644 usb_unanchor_urb(urb); in __usb_hcd_giveback_urb()
1649 urb->status = status; in __usb_hcd_giveback_urb()
1655 kcov_remote_start_usb_softirq((u64)urb->dev->bus->busnum); in __usb_hcd_giveback_urb()
1656 urb->complete(urb); in __usb_hcd_giveback_urb()
1660 atomic_dec(&urb->use_count); in __usb_hcd_giveback_urb()
1661 if (unlikely(atomic_read(&urb->reject))) in __usb_hcd_giveback_urb()
1663 usb_put_urb(urb); in __usb_hcd_giveback_urb()
1678 struct urb *urb; in usb_giveback_urb_bh() local
1680 urb = list_entry(local_list.next, struct urb, urb_list); in usb_giveback_urb_bh()
1681 list_del_init(&urb->urb_list); in usb_giveback_urb_bh()
1682 bh->completing_ep = urb->ep; in usb_giveback_urb_bh()
1683 __usb_hcd_giveback_urb(urb); in usb_giveback_urb_bh()
1716 void usb_hcd_giveback_urb(struct usb_hcd *hcd, struct urb *urb, int status) in usb_hcd_giveback_urb() argument
1722 if (likely(!urb->unlinked)) in usb_hcd_giveback_urb()
1723 urb->unlinked = status; in usb_hcd_giveback_urb()
1725 if (!hcd_giveback_urb_in_bh(hcd) && !is_root_hub(urb->dev)) { in usb_hcd_giveback_urb()
1726 __usb_hcd_giveback_urb(urb); in usb_hcd_giveback_urb()
1730 if (usb_pipeisoc(urb->pipe) || usb_pipeint(urb->pipe)) { in usb_hcd_giveback_urb()
1739 list_add_tail(&urb->urb_list, &bh->head); in usb_hcd_giveback_urb()
1762 struct urb *urb; in usb_hcd_flush_endpoint() local
1772 list_for_each_entry_reverse(urb, &ep->urb_list, urb_list) { in usb_hcd_flush_endpoint()
1775 if (urb->unlinked) in usb_hcd_flush_endpoint()
1777 usb_get_urb (urb); in usb_hcd_flush_endpoint()
1778 is_in = usb_urb_dir_in(urb); in usb_hcd_flush_endpoint()
1782 unlink1(hcd, urb, -ESHUTDOWN); in usb_hcd_flush_endpoint()
1785 urb, usb_endpoint_num(&ep->desc), in usb_hcd_flush_endpoint()
1788 usb_put_urb (urb); in usb_hcd_flush_endpoint()
1801 urb = NULL; in usb_hcd_flush_endpoint()
1803 urb = list_entry (ep->urb_list.prev, struct urb, in usb_hcd_flush_endpoint()
1805 usb_get_urb (urb); in usb_hcd_flush_endpoint()
1809 if (urb) { in usb_hcd_flush_endpoint()
1810 usb_kill_urb (urb); in usb_hcd_flush_endpoint()
1811 usb_put_urb (urb); in usb_hcd_flush_endpoint()
2116 static void usb_ehset_completion(struct urb *urb) in usb_ehset_completion() argument
2118 struct completion *done = urb->context; in usb_ehset_completion()
2128 static struct urb *request_single_step_set_feature_urb( in request_single_step_set_feature_urb()
2134 struct urb *urb; in request_single_step_set_feature_urb() local
2138 urb = usb_alloc_urb(0, GFP_KERNEL); in request_single_step_set_feature_urb()
2139 if (!urb) in request_single_step_set_feature_urb()
2142 urb->pipe = usb_rcvctrlpipe(udev, 0); in request_single_step_set_feature_urb()
2143 ep = (usb_pipein(urb->pipe) ? udev->ep_in : udev->ep_out) in request_single_step_set_feature_urb()
2144 [usb_pipeendpoint(urb->pipe)]; in request_single_step_set_feature_urb()
2146 usb_free_urb(urb); in request_single_step_set_feature_urb()
2150 urb->ep = ep; in request_single_step_set_feature_urb()
2151 urb->dev = udev; in request_single_step_set_feature_urb()
2152 urb->setup_packet = (void *)dr; in request_single_step_set_feature_urb()
2153 urb->transfer_buffer = buf; in request_single_step_set_feature_urb()
2154 urb->transfer_buffer_length = USB_DT_DEVICE_SIZE; in request_single_step_set_feature_urb()
2155 urb->complete = usb_ehset_completion; in request_single_step_set_feature_urb()
2156 urb->status = -EINPROGRESS; in request_single_step_set_feature_urb()
2157 urb->actual_length = 0; in request_single_step_set_feature_urb()
2158 urb->transfer_flags = URB_DIR_IN; in request_single_step_set_feature_urb()
2159 usb_get_urb(urb); in request_single_step_set_feature_urb()
2160 atomic_inc(&urb->use_count); in request_single_step_set_feature_urb()
2161 atomic_inc(&urb->dev->urbnum); in request_single_step_set_feature_urb()
2162 if (map_urb_for_dma(hcd, urb, GFP_KERNEL)) { in request_single_step_set_feature_urb()
2163 usb_put_urb(urb); in request_single_step_set_feature_urb()
2164 usb_free_urb(urb); in request_single_step_set_feature_urb()
2168 urb->context = done; in request_single_step_set_feature_urb()
2169 return urb; in request_single_step_set_feature_urb()
2176 struct urb *urb; in ehset_single_step_set_feature() local
2203 urb = request_single_step_set_feature_urb(udev, dr, buf, &done); in ehset_single_step_set_feature()
2204 if (!urb) in ehset_single_step_set_feature()
2208 retval = hcd->driver->submit_single_step_set_feature(hcd, urb, 1); in ehset_single_step_set_feature()
2212 usb_kill_urb(urb); in ehset_single_step_set_feature()
2221 urb->status = -EINPROGRESS; in ehset_single_step_set_feature()
2222 usb_get_urb(urb); in ehset_single_step_set_feature()
2223 atomic_inc(&urb->use_count); in ehset_single_step_set_feature()
2224 atomic_inc(&urb->dev->urbnum); in ehset_single_step_set_feature()
2225 retval = hcd->driver->submit_single_step_set_feature(hcd, urb, 0); in ehset_single_step_set_feature()
2228 usb_kill_urb(urb); in ehset_single_step_set_feature()
2234 usb_free_urb(urb); in ehset_single_step_set_feature()