_EFI_USB_HC_PROTOCOL Struct Reference
Detailed Description
The EFI_USB_HC_PROTOCOL provides USB host controller management, basic data transactions over a USB bus, and USB root hub access. A device driver that wishes to manage a USB bus in a system retrieves the EFI_USB_HC_PROTOCOL instance that is associated with the USB bus to be managed. A device handle for a USB host controller will minimally contain an
EFI_DEVICE_PATH_PROTOCOL instance, and an EFI_USB_HC_PROTOCOL instance.
Field Documentation
The major revision number of the USB host controller. The revision information indicates the release of the Universal Serial Bus Specification with which the host controller is compliant.
The minor revision number of the USB host controller. The revision information indicates the release of the Universal Serial Bus Specification with which the host controller is compliant.