diff options
Diffstat (limited to 'usr/src/man/man7d/xhci.7d')
-rw-r--r-- | usr/src/man/man7d/xhci.7d | 29 |
1 files changed, 16 insertions, 13 deletions
diff --git a/usr/src/man/man7d/xhci.7d b/usr/src/man/man7d/xhci.7d index e2822fd19c..4f2836b97e 100644 --- a/usr/src/man/man7d/xhci.7d +++ b/usr/src/man/man7d/xhci.7d @@ -23,9 +23,9 @@ The .Nm driver supports PCI devices that implement versions 1.0 and 1.1 of the -Extensible Host Controller Inteface Specification. These devices provide -support for USB 3.0, USB 2.x, and USB 1.x devices and is integrated into -the broader illumos USB Architecture (USBA). +Extensible Host Controller Inteface Specification. +These devices provide support for USB 3.0, USB 2.x, and USB 1.x devices and is +integrated into the broader illumos USB Architecture (USBA). .Pp The .Nm @@ -38,15 +38,16 @@ and .Pp Administrators do not interact with the .Nm -driver directly. USB devices are managed with +driver directly. +USB devices are managed with .Xr cfgadm 1M . See .Xr cfgadm_usb 1M for more information on how to specifically manage USB devices and how they are laid out in the system. .Xr cfgadm 1M -is only used to manage devices at a USB level. For example, a USB NIC -would still be managed with +is only used to manage devices at a USB level. +For example, a USB NIC would still be managed with .Xr dladm 1M at a networking level. .Pp @@ -54,15 +55,16 @@ On some x86 systems USB ports may be routed to either an instance of the .Nm driver or an instance of the .Xr ehci 7D -driver. By default, all such ports are routed to the +driver. +By default, all such ports are routed to the .Nm driver, allowing those devices to operate at USB 3.x speed by default. -This is most common on Intel platforms and chipsets. While this is -controlled with the +This is most common on Intel platforms and chipsets. +While this is controlled with the .Sy xhci-reroute property discussed below, changing it may not be sufficient to change -the behavior. The BIOS or ACPI data for many x86 systems may toggle this -automatically. +the behavior. +The BIOS or ACPI data for many x86 systems may toggle this automatically. .Sh PROPERTIES The .Nm @@ -77,8 +79,9 @@ The .Sy xhci-reroute property determines whether or not USB ports are re-routed to the .Nm -driver. The default behavior is to route such ports. To disable this, -the property should be set to +driver. +The default behavior is to route such ports. +To disable this, the property should be set to .Sy 0 . Any other value, or the lack of the property, cause the default behavior to take place. |