C++ (Cpp) testdev_to_usbdev Examples

Example #1

File: usbtest.c Project: mjduddin/B14CKB1RD_kernel_m8

static int perform_sglist(
	struct usbtest_dev	*tdev,
	unsigned		iterations,
	int			pipe,
	struct usb_sg_request	*req,
	struct scatterlist	*sg,
	int			nents
)
{
	struct usb_device	*udev = testdev_to_usbdev(tdev);
	int			retval = 0;

	while (retval == 0 && iterations-- > 0) {
		retval = usb_sg_init(req, udev, pipe,
				(udev->speed == USB_SPEED_HIGH)
					? (INTERRUPT_RATE << 3)
					: INTERRUPT_RATE,
				sg, nents, 0, GFP_KERNEL);

		if (retval)
			break;
		usb_sg_wait(req);
		retval = req->status;

		

		
	}

	if (retval)
		ERROR(tdev, "perform_sglist failed, "
				"iterations left %d, status %d\n",
				iterations, retval);
	return retval;
}

Example #2

static int perform_sglist(
	struct usbtest_dev	*tdev,
	unsigned		iterations,
	int			pipe,
	struct usb_sg_request	*req,
	struct scatterlist	*sg,
	int			nents
)
{
	struct usb_device	*udev = testdev_to_usbdev(tdev);
	int			retval = 0;

	while (retval == 0 && iterations-- > 0) {
		retval = usb_sg_init(req, udev, pipe,
				(udev->speed == USB_SPEED_HIGH)
					? (INTERRUPT_RATE << 3)
					: INTERRUPT_RATE,
				sg, nents, 0, GFP_KERNEL);

		if (retval)
			break;
		usb_sg_wait(req);
		retval = req->status;

		/* FIXME check resulting data pattern */

		/* FIXME if endpoint halted, clear halt (and log) */
	}

	/* FIXME for unlink or fault handling tests, don't report
	 * failure if retval is as we expected ...
	 */
	if (retval)
		ERROR(tdev, "perform_sglist failed, "
				"iterations left %d, status %d\n",
				iterations, retval);
	return retval;
}

Example #3

static int
get_endpoints(struct usbtest_dev *dev, struct usb_interface *intf)
{
	int				tmp;
	struct usb_host_interface	*alt;
	struct usb_host_endpoint	*in, *out;
	struct usb_host_endpoint	*iso_in, *iso_out;
	struct usb_device		*udev;

	for (tmp = 0; tmp < intf->num_altsetting; tmp++) {
		unsigned	ep;

		in = out = NULL;
		iso_in = iso_out = NULL;
		alt = intf->altsetting + tmp;

		/* take the first altsetting with in-bulk + out-bulk;
		 * ignore other endpoints and altsettings.
		 */
		for (ep = 0; ep < alt->desc.bNumEndpoints; ep++) {
			struct usb_host_endpoint	*e;

			e = alt->endpoint + ep;
			switch (e->desc.bmAttributes) {
			case USB_ENDPOINT_XFER_BULK:
				break;
			case USB_ENDPOINT_XFER_ISOC:
				if (dev->info->iso)
					goto try_iso;
				/* FALLTHROUGH */
			default:
				continue;
			}
			if (usb_endpoint_dir_in(&e->desc)) {
				if (!in)
					in = e;
			} else {
				if (!out)
					out = e;
			}
			continue;
try_iso:
			if (usb_endpoint_dir_in(&e->desc)) {
				if (!iso_in)
					iso_in = e;
			} else {
				if (!iso_out)
					iso_out = e;
			}
		}
		if ((in && out)  ||  iso_in || iso_out)
			goto found;
	}
	return -EINVAL;

found:
	udev = testdev_to_usbdev(dev);
	if (alt->desc.bAlternateSetting != 0) {
		tmp = usb_set_interface(udev,
				alt->desc.bInterfaceNumber,
				alt->desc.bAlternateSetting);
		if (tmp < 0)
			return tmp;
	}

	if (in) {
		dev->in_pipe = usb_rcvbulkpipe(udev,
			in->desc.bEndpointAddress & USB_ENDPOINT_NUMBER_MASK);
		dev->out_pipe = usb_sndbulkpipe(udev,
			out->desc.bEndpointAddress & USB_ENDPOINT_NUMBER_MASK);
	}
	if (iso_in) {
		dev->iso_in = &iso_in->desc;
		dev->in_iso_pipe = usb_rcvisocpipe(udev,
				iso_in->desc.bEndpointAddress
					& USB_ENDPOINT_NUMBER_MASK);
	}

	if (iso_out) {
		dev->iso_out = &iso_out->desc;
		dev->out_iso_pipe = usb_sndisocpipe(udev,
				iso_out->desc.bEndpointAddress
					& USB_ENDPOINT_NUMBER_MASK);
	}
	return 0;
}