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author | gibbs <gibbs@FreeBSD.org> | 1995-07-17 23:38:16 +0000 |
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committer | gibbs <gibbs@FreeBSD.org> | 1995-07-17 23:38:16 +0000 |
commit | 5fa4b742aea5aa85a02d5669d70b27bd476ff05d (patch) | |
tree | e6aac2b0d579342bd4f87e50bae9270464edff6e /share/man/man4/scsi.4 | |
parent | b104528a4f81d68fcc596e81db6cf2c2888512a5 (diff) | |
download | FreeBSD-src-5fa4b742aea5aa85a02d5669d70b27bd476ff05d.zip FreeBSD-src-5fa4b742aea5aa85a02d5669d70b27bd476ff05d.tar.gz |
Allow the specification of the controller bus when wiring down scsi buses.
This is performed by using a line similar to:
controller scbus0 at ahc0 bus 1
to wire scbus0 to the second bus on an adaptec 2742T controller.
Reviewed by: Peter Dufault(dufault@hda.com), Rod Grimes(rgrimes@FreeBSD.org)
Diffstat (limited to 'share/man/man4/scsi.4')
-rw-r--r-- | share/man/man4/scsi.4 | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/share/man/man4/scsi.4 b/share/man/man4/scsi.4 index d38cdd3..fc97dc1 100644 --- a/share/man/man4/scsi.4 +++ b/share/man/man4/scsi.4 @@ -6,6 +6,9 @@ .Nd scsi system .Sh SYNOPSIS .Nm controller scbus0 +.Nm controller scbus1 at ahc0 +.Nm controller scbus3 at ahc1 bus 0 +.Nm controller scbus2 at ahc1 bus 1 .Nm device cd0 .Nm device ch0 .Nm disk sd0 @@ -41,11 +44,18 @@ config line similar to .Em "device ch0" to include the changer driver. .Pp -To wire down a -unit use a config line similar to +To wire down a unit use a config line similar to .Em "device ch1 at scbus0 target 4 unit 0" -to assign changer 1 as the changer with SCSI ID 4 SCSI logical unit 0 on -SCSI bus 0. +to assign changer 1 as the changer with SCSI ID 4, +SCSI logical unit 0 on SCSI bus 0. +Individual scbuses can be wired down to specific controllers with +a config line similar to +.Em "controller scbus0 at ahc0" +which assigns scsi bus 0 to the first unit using the ahc driver. +For controllers supporting more than one bus, +the particualar bus can be specified as in +.Em "controller scbus3 at ahc1 bus 1" +which assigns scbus 1 to the second bus probled on the ahc1 device. .Pp When you have a mixture of wired down and counted devices then the counting begins with the first non-wired down unit for a particular |