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NAME

iopctl — a program to control IOP devices

SYNOPSIS

DESCRIPTION

The iopctl command can be used to interrogate and control I2O devices.

The following options are available:

-f device

Specify the control device to use. The default is /dev/iop0.

The following commands are available:

reconfig

Reconfigure the IOP: ask all bus ports to rescan their buses, and attach or detach devices to and from the system as necessary.

showddmid tid

Retrieve and display the DDM (device driver module) identity parameter group from the specified target.

showdevid tid

Retrieve and display the device identity parameter group from the specified target.

showlct

Display the driver's private copy of the logical configuration table. This copy of the LCT matches the current device configuration, but is not necessarily the latest available version of the LCT.

showstatus

Display the current status of the IOP.

showtidmap

Display the device to TID map.

FILES

/dev/iopu

control device for IOP unit u

SEE ALSO

ioctl(2), iop(4), ioprbs(4), iopsp(4), sd(4)

HISTORY

The iopctl command first appeared in NetBSD 1.6, OpenBSD support was added in OpenBSD 3.0.

AUTHORS

The iopctl command was written by Andrew Doran ⟨ad@netbsd.org⟩, and ported to OpenBSD by Michael Shalayeff ⟨mickey@openbsd.org⟩.