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Document the new passthrough interface.

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This commit is contained in:
Scott Long 2004-06-23 00:27:56 +00:00
parent cb450d2233
commit a315d43a53
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=130951
1 changed files with 10 additions and 1 deletions
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11
share/man/man4/ciss.4
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@ -60,7 +60,15 @@ and it is dubious whether they would provide major performance improvements
except under extreme load.
.Pp
Non-disk devices (such as internal DATs and devices
attached to the external SCSI bus) are not yet supported.
attached to the external SCSI bus) are supported as normal CAM devices
provided that they are exported by the controller firmware and are not
marked as being masked. Masked devices can be exposed by setting the
.Va hw.ciss.expose_hidden_physical
tunable to non-zero at boot time. Direct Access devices (such as disk
drives) are only exposed as
.Xr pass 4
devices. Hot-insertion and removal of devices is supported but a bus
rescan might be necessary.
.Pp
Supported controllers include:
.Pp
@ -96,6 +104,7 @@ HP Modular Smart Array 500 (MSA500)
.Xr cam 4 ,
.Xr pass 4 ,
.Xr xpt 4 ,
.Xr loader.conf 5 ,
.Xr camcontrol 8
.Rs
.%T "CISS Command Interface for SCSI-3 Support Open Specification, Version 1.04, Valence Number 1"