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usba(7D)

Name | Description | Files | Attributes | See Also | Notes | Diagnostics

Name

usba, usb– Solaris USB Architecture (USBA)

Description

USB provides a low-cost means for attaching peripheral devices, including mass-storage devices, keyboards, mice, and printers, to a system. For complete information on the USB architecture, visit the USB website at http://www.usb.org.

USBA supports 126 hot-pluggable USB devices per USB bus. The maximum data transfer rate is 1.5 Mbits (low speed USB 1.x) or 12 Mbits (full speed USB 1.x) or 480 MBits (high speed USB 2.0) Mbits per second (Mbps).

USBA adheres to the Universal Serial Bus 2.0 specification and provides a transport layer abstraction to USB client drivers.

For information on how to write USB client drivers, see Writing Device Drivers. For the latest information on writing USB drivers, visit http://developers.sun.com/solaris/developer/support/driver/usb.html. For a complete list of USBA interfaces, see Intro(9F) and Intro(9S).

Devices without a driver may have a libusb(3LIB) application. For more information, see /usr/sfw/share/doc/libusb/libusb.txt.

Files

Listed below are drivers and modules which either utilize or are utilized by USBA. Drivers in /kernel/drv are 32 bit drivers (x86 only). Drivers in /kernel/drv/sparcv9 or /kernel/drv/amd64 are 64 bit drivers.

CLIENT DRIVER	FUNCTION/DEVICE
/kernel/drv/[sparcv9|amd64/]hid	HID class
/kernel/drv/[sparcv9|amd64/]hubd	hub class
/kernel/drv/[sparcv9|amd64/]scsa2usb	mass storage class
/kernel/drv/[sparcv9|amd64/]usbprn	printer class
/kernel/drv/[sparcv9|amd64/]usb_as	audio streaming class
/kernel/drv/[sparcv9|amd64/]usb_ac	audio control class
/kernel/drv/[sparcv9|amd64/]usbvc	video class
/kernel/drv/[sparcv9|amd64/]usb_mid	multi-interface device
/kernel/drv/[sparcv9|amd64/]usb_ia	interface-association driver
/kernel/drv/[sparcv9|amd64/]usbser_edge	Edgeport USB to serial port
/kernel/drv/[sparcv9|amd64/]usbsksp	Keyspan USB to serial port
/kernel/drv/[sparcv9|amd64/]usbsprl	pl2303 USB to serial port
/kernel/drv/[sparcv9|amd64/]usbsacm	CDC ACM class to serial port
/kernel/drv/[sparcv9|amd64/]ugen	generic USB driver
/kernel/drv/[sparcv9|amd64/]ohci	open host controller driver
/kernel/drv/[sparcv9|amd64/]uhci	universal host controller driver
/kernel/drv/[sparcv9|amd64/]ehci	enhanced host controller driver

CLIENT STREAMS MODULES	FUNCTION/DEVICE
/kernel/strmod/[sparcv9|amd64]usbkbm	Keyboard
/kernel/strmod/[sparcv9|amd64]usbms	Mouse
/kernel/strmod/[sparcv9|amd64]usb_ah	audio HID

HOST CONTROLLER INTERFACE DRIVERS	DEVICE
/kernel/drv/[sparcv9|amd64]ehci	Enhanced HCI
/kernel/drv/[sparcv9|amd64]ohci	Open HCI
/kernel/drv/[sparcv|amd64/]uhci	Universal HCI

Attributes

See attributes(5) for a description of the following attributes:

ATTRIBUTE TYPE	ATTRIBUTE VALUE
Architecture	PCI-based systems
Availability	SUNWusb, SUNWusbu

See Also

cfgadm_usb(1M), libusb(3LIB), attributes(5), ehci(7D), hid(7D), hubd(7D), ohci(7D), scsa2usb(7D), uhci(7D), usb_ac(7D), usb_as(7D), usb_mid(7D), usbprn(7D), usbsacm(7D), usbser_edge(7D), usbsksp(7D), usbsprl(7D), ugen(7D), virtualkm(7D). Intro(9F), Intro(9S)

Writing Device Drivers

Universal Serial Bus Specification 2.0.

Interface Association Descriptor Engineering Change Notice (ECN)

System Administration Guide: Basic Administration

http://www.sun.com/io

Notes

Booting from USB mass-storage devices is not supported on SPARC, but is supported on X86.

Diagnostics

The messages described below may appear on the system console as well as being logged. All messages are formatted in the following manner:

WARNING: Error message...

No driver found for device <device_name> (interface <number> node name=<node_name>)

The installed Solaris software does not contain a supported driver for this hardware. <number> is the interface number. <name> is either the device path name or the device name.

Draining callbacks timed out!

An internal error occured. Please reboot your system. If this problem persists, contact your system vendor.

The following messages may be logged into the system log. They are formatted in the following manner:

<device path><usba<instance number>): message...

Incorrect USB driver version for <n.m>.

Driver is incompatible with USBA framework.

Name | Description | Files | Attributes | See Also | Notes | Diagnostics