usb_hub_driver_operations Struct Reference

USB hub driver operations. More...

#include <usb.h>

Data Fields
int(*	open )(struct usb_hub *hub)
	Open hub. More...
void(*	close )(struct usb_hub *hub)
	Close hub. More...
int(*	enable )(struct usb_hub *hub, struct usb_port *port)
	Enable port. More...
int(*	disable )(struct usb_hub *hub, struct usb_port *port)
	Disable port. More...
int(*	speed )(struct usb_hub *hub, struct usb_port *port)
	Update port speed. More...
int(*	clear_tt )(struct usb_hub *hub, struct usb_port *port, struct usb_endpoint *ep)
	Clear transaction translator buffer. More...

Detailed Description

USB hub driver operations.

Definition at line 871 of file usb.h.

Field Documentation

open

int( * usb_hub_driver_operations::open) (struct usb_hub *hub)

Open hub.

Parameters

hub

USB hub

Return values

rc	Return status code

Definition at line 877 of file usb.h.

Referenced by register_usb_hub().

close

void( * usb_hub_driver_operations::close) (struct usb_hub *hub)

Close hub.

Parameters

hub

USB hub

Definition at line 882 of file usb.h.

Referenced by register_usb_hub(), and unregister_usb_hub().

enable

int( * usb_hub_driver_operations::enable) (struct usb_hub *hub, struct usb_port *port)

Enable port.

Parameters

hub	USB hub
port	USB port

Return values

rc	Return status code

Definition at line 889 of file usb.h.

Referenced by register_usb().

disable

int( * usb_hub_driver_operations::disable) (struct usb_hub *hub, struct usb_port *port)

Disable port.

Parameters

hub	USB hub
port	USB port

Return values

rc	Return status code

Definition at line 896 of file usb.h.

Referenced by unregister_usb().

speed

int( * usb_hub_driver_operations::speed) (struct usb_hub *hub, struct usb_port *port)

Update port speed.

Parameters

hub	USB hub
port	USB port

Return values

rc	Return status code

Definition at line 903 of file usb.h.

Referenced by register_usb(), and usb_hotplugged().

clear_tt

int( * usb_hub_driver_operations::clear_tt) (struct usb_hub *hub, struct usb_port *port, struct usb_endpoint *ep)

Clear transaction translator buffer.

Parameters

hub	USB hub
port	USB port
ep	USB endpoint

Return values

rc	Return status code

Definition at line 911 of file usb.h.

Referenced by usb_endpoint_clear_tt().

---

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

• include/ipxe/usb.h