usb_port Struct Reference

A USB port. More...

#include <usb.h>

Data Fields
struct usb_hub *	hub
	USB hub. More...
unsigned int	address
	Port address. More...
unsigned int	protocol
	Port protocol. More...
unsigned int	speed
	Port speed. More...
int	disconnected
	Port disconnection has been detected. More...
int	attached
	Port has an attached device. More...
struct usb_device *	usb
	Currently attached device (if in use) More...
struct list_head	changed
	List of changed ports. More...

Detailed Description

A USB port.

Definition at line 798 of file usb.h.

Field Documentation

hub

struct usb_hub* usb_port::hub

USB hub.

Definition at line 800 of file usb.h.

Referenced by acm_probe(), alloc_usb_hub(), axge_probe(), dm96xx_probe(), ecm_probe(), efi_usb_path(), efi_usb_sync_transfer(), efi_usb_timer(), ehci_device_open(), ehci_endpoint_capabilities(), free_usb_bus(), free_usb_hub(), hub_probe(), hub_remove(), imux_probe(), iphone_probe(), ncm_probe(), register_usb_hub(), uhci_device_open(), unregister_usb_hub(), usb_control(), usb_depth(), usb_endpoint_clear_tt(), usb_endpoint_open(), usb_port(), usb_probe_all(), usb_root_hub_port(), usb_route_string(), usb_transaction_translator(), usbio_device_open(), usbio_endpoint_open(), usbkbd_probe(), xhci_device_open(), and xhci_root_open().

address

unsigned int usb_port::address

Port address.

Definition at line 802 of file usb.h.

Referenced by ehci_endpoint_capabilities(), usb_route_string(), xhci_device_address(), and xhci_device_open().

protocol

unsigned int usb_port::protocol

Port protocol.

Definition at line 804 of file usb.h.

Referenced by alloc_usb_hub(), and hub_probe().

speed

unsigned int usb_port::speed

Port speed.

Definition at line 806 of file usb.h.

disconnected

int usb_port::disconnected

Port disconnection has been detected.

This should be set whenever the underlying hardware reports a connection status change.

Definition at line 812 of file usb.h.

Referenced by hub_remove().

attached

int usb_port::attached

Port has an attached device.

Definition at line 814 of file usb.h.

usb

struct usb_device* usb_port::usb

Currently attached device (if in use)

Note that this field will be NULL if the attached device has been freed (e.g. because there were no drivers found).

Definition at line 820 of file usb.h.

Referenced by alloc_usb_hub(), ehci_endpoint_capabilities(), hub_remove(), register_usb(), unregister_usb(), usb_endpoint_clear_tt(), usb_message(), usb_stream(), xhci_device_address(), and xhci_device_open().

changed

struct list_head usb_port::changed

List of changed ports.

Definition at line 822 of file usb.h.

Referenced by free_usb_bus(), and usb_hotplug().

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The documentation for this struct was generated from the following file:

• include/ipxe/usb.h