XHCI_TD_PAYLOAD_MAX
parm->hc_max_frame_size = XHCI_TD_PAYLOAD_MAX;
((USB_PAGE_SIZE < XHCI_TD_PAYLOAD_MAX) ? USB_PAGE_SIZE : XHCI_TD_PAYLOAD_MAX)
(((XHCI_TD_PAYLOAD_MAX + XHCI_TD_PAGE_SIZE - 1) / XHCI_TD_PAGE_SIZE) + 1)