HardenedBSD/share/man/man4/su.4
Mike Pritchard edf0e5b3f8 Correct some man page xrefs, and some other minor changes to bring some
man pages up to mdoc guidelines and fix some minor formatting glitches.
Also fixed a number of man pages to not abuse the .Xr macro to
display functions and path names and a lot of other junk.
1996-04-08 04:18:31 +00:00

58 lines
1.1 KiB
Groff

.Dd August 27, 1993
.Dt SU 4
.Os FreeBSD
.Sh NAME
.Nm su
.Nd scsi user-level driver
.Sh SYNOPSIS
.Nm device-driver su
.Sh DESCRIPTION
The
.Nm su
driver provides support for a
process to address arbitrary locations on the scsi bus. Minor
numbers are mapped 1:1 to bus:target:lun. The lowest three bits being LUN
and the next three bits being TARGET. Remaining bits are the bus number.
.Pp
A scsi adapter must also be separately configured into the system
before this driver makes sense.
.Pp
.Sh THE SU DEVICE IS NOT COMPLETED YET
.Sh KERNEL CONFIGURATION
There are no configuration parameters for the su option. It'e either there
or it's not.
.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/su0-0-0XXXXXXXXXXX -compact
.It Pa /dev/su[0-9]-[0-7]-[0-7]
su{x}-{y}-{z} is the su device for the device at bus x, target y, lun z
.El
.Sh DIAGNOSTICS
All
.Xr scsi 4
debug ioctls work on
.Nm
devices.
.Sh SEE ALSO
.Xr sd 4
.Xr st 4
.Xr cd 4
.Xr uk 4
.Xr scsi 4
.Sh HISTORY
The
.Nm
driver appeared in 386BSD 0.1