opaeuio¶

SYNOPSIS¶

opaeuio [-h] [-i] [-r] [-d DRIVER] [-u USER] [-g GROUP] [-v] [device]

DESCRIPTION¶

The opaeuio command enables the binding/unbinding of a DFL device to/from the dfl-uio-pdev device driver. See https://kernel.org/doc/html/v4.14/driver-api/uio-howto.html for a description of uio.

OPTIONS¶

device The DFL device name, eg dfl_dev.10

-h, --help

Display command-line help and exit.

-i, --init

Specifies binding mode operation - initialize the given device for uio.
Used in conjunction with -u, -g, and -d.

-r, --release

Specifies unbinding mode operation - release the given device from uio.

-d DRIVER, --driver DRIVER

Specifies the device driver to bind to when binding to uio.
The default value is dfl-uio-pdev.

-u USER, --user USER

The user ID to assign when binding to uio. A new device node is created in
/dev when the device is bound to uio. Use this option to specify
the new device owner.

-g GROUP, --group GROUP

The group ID to assign when binding to uio. Use this option to specify the
new device group for the device created in /dev.

-v, --version

Display script version information and exit.

EXAMPLES¶

opaeuio -h
opaeuio -v
sudo opaeuio -i -u lab -g labusers dfl_dev.10
sudo opaeuio -r dfl_dev.10