44 static uint64_t xhci_initialize_slot(const int id, const int port, const int speed, const int max_p…
780 static int xhci_reset_port(const int id, const int port)  in xhci_reset_port()  argument
784     uint64_t port_status_offset = XHCI_OPS_PRS + port * 16;  in xhci_reset_port()
798             kdebug("cannot power on %d", port);  in xhci_reset_port()
809     if (XHCI_PORT_IS_USB3(id, port))  in xhci_reset_port()
828         if (XHCI_PORT_IS_USB3(id, port) && (val & (1U << 31)) == 0)  in xhci_reset_port()
830         else if (XHCI_PORT_IS_USB2(id, port) && (val & (1 << 4)) == 0)  in xhci_reset_port()
862     if (retval == 0 && XHCI_PORT_IS_USB2(id, port))  in xhci_reset_port()
864         xhci_hc[id].ports[port].flags |= XHCI_PROTOCOL_ACTIVE;  in xhci_reset_port()
865         if (XHCI_PORT_HAS_PAIR(id, port)) // 如果有对应的usb3端口，则将usb3端口设置为未激活  in xhci_reset_port()
866 …       xhci_hc[id].ports[xhci_hc[id].ports[port].paired_port_num].flags &= ~(XHCI_PROTOCOL_ACTIVE);  in xhci_reset_port()
870     if (retval != 0 && XHCI_PORT_IS_USB3(id, port))  in xhci_reset_port()
872         xhci_hc[id].ports[port].flags &= ~XHCI_PROTOCOL_ACTIVE;  in xhci_reset_port()
873         xhci_hc[id].ports[xhci_hc[id].ports[port].paired_port_num].flags |= XHCI_PROTOCOL_ACTIVE;  in xhci_reset_port()
890 static uint64_t xhci_initialize_slot(const int id, const int port, const int speed, const int max_p…  in xhci_initialize_slot()  argument
897     __write8b(xhci_hc[id].dcbaap_vaddr + (xhci_hc[id].ports[port].slot_id * sizeof(uint64_t)),  in xhci_initialize_slot()
903     slot_ctx.rh_port_num = port + 1; // 由于xhci控制器是1-base的，因此把驱动程序中存储的端口号加1，才是真实的端口号  in xhci_initialize_slot()
913 …xhci_initialize_ep(id, device_context_vaddr, port, XHCI_EP_CONTROL, max_packet, 0, USB_EP_CONTROL,…  in xhci_initialize_slot()