Lines Matching refs:req
513 struct usb_request *req = calloc(1, sizeof(struct usb_request));
514 if (!req) {
519 req->dev = dev;
520 req->max_packet_size = __le16_to_cpu(ep_desc->wMaxPacketSize);
521 req->private_data = urb;
522 req->endpoint = urb->endpoint;
523 urb->usercontext = req;
525 return req;
528 void usb_request_free(struct usb_request *req)
530 free(req->private_data);
531 free(req);
534 int usb_request_queue(struct usb_request *req)
536 struct usbdevfs_urb *urb = (struct usbdevfs_urb*)req->private_data;
540 urb->buffer = req->buffer;
542 if (req->buffer_length > MAX_USBFS_BUFFER_SIZE)
545 urb->buffer_length = req->buffer_length;
548 res = ioctl(req->dev->fd, USBDEVFS_SUBMITURB, urb);
557 struct usb_request *req = NULL;
572 req = (struct usb_request*)urb->usercontext;
573 req->actual_length = urb->actual_length;
577 return req;
580 int usb_request_cancel(struct usb_request *req)
582 struct usbdevfs_urb *urb = ((struct usbdevfs_urb*)req->private_data);
583 return ioctl(req->dev->fd, USBDEVFS_DISCARDURB, &urb);