.Dd October 11, 1993
.Dt UK 4
.Os 386BSD/NetBSD
.Sh NAME
.Nm uk
.Nd scsi user-level driver
.Sh SYNOPSIS
.Nm device-driver uk
.Sh DESCRIPTION
The
.Xr uk
driver provides support for a 
process to address devices on the scsi bus for which there is no configured
driver. 
.Nm
devices are numbered in the order they are found.
.Pp
A scsi adapter must also be separatly configured into the system
before this driver makes sense.
.Pp
.Sh KERNEL CONFIGURATION
If an count is given that number of
.Nm 
devices will be configured into the kernel.


.Pp
.Sh IOCTLS
The 
.Nm
driver has no ioctls of it's own but rather acts as a medium for the
generic 
.Xr scsi 4
ioctls. These are described in
.Em sys/scsiio.h.


.Sh FILES
.Bl -tag -width /dev/uk0XXX -compact
.It Pa /dev/uk[0-255]
uk{x} is the  'xth'unknown device found.
.El
.Sh DIAGNOSTICS
All
.Xr scsi 4
debug ioclts work on 
.Nm
devices.
.Sh SEE ALSO
.Xr sd 4
.Xr st 4
.Xr cd 4
.Xr ch 4
.Xr su 4
.Xr scsi 4
.Sh HISTORY
The
.Nm
driver appeared in 386BSD 0.1