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man pages section 7: Device and Network Interfaces Oracle Solaris 11.1 Information Library |
- OpenHCI host controller driver
usb@unit-address
The ohci driver is a USBA (Solaris USB Architecture) compliant nexus driver that supports the Open Host Controller Interface Specification 1.1, an industry standard developed by Compaq, Microsoft, and National Semiconductor.
The ohci driver supports bulk, interrupt, control and isochronous transfers.
64–bit x86 ELF kernel module
64–bit SPARC ELF kernel module
driver configuration file
See attributes(5) for descriptions of the following attributes:
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attributes(5), ehci(7D), hubd(7D), uhci(7D), usba(7D)
Universal Serial Bus Specification 2.0
Open Host Controller Interface Specification for USB 1.0a
Oracle Solaris Administration: Common Tasks
All host controller errors are passed to the client drivers. Root hub 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> <ohci><instance number>>: Error message...
There was an unrecoverable USB hardware error reported by the OHCI Controller. Please reboot the system. If this problem persists, contact your system vendor.
The USB hardware is not generating Start Of Frame interrupts. Please reboot the system. If this problem persists, contact your system vendor.
The following messages may be entered into the system log. They are formatted in the following manner:
<device path> <ohci<instance number>): Message...
For an unspecified reason, the frame interval register has been nulled out by the Uli M1575 chip. Please reboot the system. If this problem persists, contact your system vendor.