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man pages section 4: Device and Network Interfaces

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Updated: Thursday, June 13, 2019
 
 

hwahc(4D)

Name

hwahc - Host Wire Adapter Host Controller Driver

Description

The hwahc driver is a USBA (Solaris USB Architecture) compliant nexus driver that supports the Wireless USB 1.0 Host Wire Adapter Host Controller, an industry standard developed by USB-IF.

A Host Wire Adapter (HWA) is a USB device whose upstream connection is a USB 2.0 wired interface. The HWA operates as a host to a cluster of downstream Wireless USB devices.

The hwahc driver supports bulk, interrupt and control transfers.

Files

/kernel/drv/sparcv9/hwahc

64-bit SPARC ELF kernel module

/kernel/drv/amd64/hwahc

64-bit x86 ELF kernel module

Attributes

See attributes(7) for a description of the following attributes:

ATTRIBUTE TYPE
ATTRIBUTE VALUE
Architecture
SPARC, x86
Availability
system/io/usb

See Also

ehci(4D), hubd(4D), usba(4D), attributes(7), add_drv(8), prtconf(8), rem_drv(8), update_drv(8)

Writing Device Drivers in Oracle Solaris 11.4

Universal Serial Bus Specification 2.0

Wireless Universal Serial Bus Specification 1.0

http://www.usb.org

http://www.oracle.com

Diagnostics

All host controller errors are passed to the client drivers. In addition to being logged, the following messages can appear on the system console. All messages are formatted in the following way:


WARNING: device_path hwahc instance_number: Message ...

Connection device on WUSB port port_number fails

The connecting device fails to connect to the HWA. Make sure the device has been associated with the host.