XHCI_TRB_ISP
{ "ISP", XHCI_TRB_ISP, XHCI_TRB_ISP },
flags |= XHCI_TRB_ISP;
flags = XHCI_TRB_SIA | XHCI_TRB_ISP | XHCI_TRB_SET_FRAME(0);