IOPCTL(8) BSD System Manager's Manual IOPCTL(8)
iopctl - a program to control IOP devices
iopctl [-f ctldev] command [tid]
The iopctl command can be used to interrogate and control I2O devices. The following options are available: -f ctldev 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 busses, 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 configura- tion, 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.
/dev/iopu control device for IOP unit u
ioctl(2), iop(4), ioprbs(4), iopsp(4), sd(4)
The iopctl command first appeared in NetBSD 1.6, OpenBSD support was ad- ded in OpenBSD 3.0.
The iopctl command was written by Andrew Doran <email@example.com>, and port- ed to OpenBSD by Michael Shalayeff <firstname.lastname@example.org>. MirOS BSD #10-current October 1, 2000 1
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