svcadm(8)을 검색하려면 섹션에서 8 을 선택하고, 맨 페이지 이름에 svcadm을 입력하고 검색을 누른다.
xhci(4)
XHCI(4) BSD Kernel Interfaces Manual XHCI(4)
NAME
xhci — USB eXtensible Host Controller driver
SYNOPSIS
device xhci
DESCRIPTION
The xhci driver provides support for the USB eXtensible Host Controller
Interface, which allows use of USB 1.0, 2.0 and 3.0 devices on the same
USB port.
The XHCI controller supports USB connection speeds up to 5.0Gbps when
using a USB 3.0 compliant device.
HARDWARE
The xhci driver supports XHCI compatible controllers having PCI class 12
(serial bus), subclass 3 (USB) and programming interface 48 (XHCI).
SYSCTL VARIABLES
The following variables are available as both sysctl(8) variables and
loader(8) tunables:
hw.usb.xhci.debug
Debug output level, where 0 is debugging disabled and larger val‐
ues increase debug message verbosity. Default is 0.
SEE ALSO
ehci(4), ohci(4), uhci(4), usb(4)
HISTORY
The xhci device driver first appeared in FreeBSD 8.2.
BSD April 24, 2018 BSD