An interrupt-out transfer has been added to the new Universal Host Controller Interface (UHCI) driver for x86 platforms. This new feature enables users to transfer urgent data to the devices through Interrupt Out in a high priority.
Other new features provided by the new UHCI driver include the following:
BULK short transfer
Multiple BULK transfer
Isoc IN transfer
BULK IN transfer
In the Solaris 10 3/05 release, the UHCI driver is available for the both x86 and SPARC platforms.
For further information, see the uhci(7D) man page.