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uhci - host controller driver

pcivid,pid@unit-address

The uhci host controller driver is a USBA (Solaris USB Architecture) compliant nexus driver that supports the Universal Host Controller Interface Specification 1.1, an industry standard developed by Intel. The uhci driver supports all USB transfers, including interrupt, control, isochronous and bulk.

/kernel/drv/uhci /kernel/drv/amd64/uhci /kernel/drv/sparcv9/uhci /kernel/drv/uhci.conf

See attributes(5) for descriptions of the following attributes:

ATTRIBUTE TYPE ATTRIBUTE VALUE

Architecture SPARC or x86 PCI-based systems

attributes(5), ehci(7D), hubd(7D), ohci(7D), usba(7D)

Writing Device Drivers

Universal Host Controller Interface Specification for USB 1.1

Universal Serial Bus Specification 2.0

System Administration Guide: Basic Administration

http://www.sun.com/io

All host controller errors are passed to the client drivers. Root errors are documented in hubd(7D).

In addition to being logged, the following messages may appear on the system console. All messages are formatted in the following manner:

WARNING: <device path> <uhci><instance number>>: Error message...

No SOF interrupts have been received. This USB UHCI host controller is unusable.