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author | wollman <wollman@FreeBSD.org> | 1996-01-17 21:57:57 +0000 |
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committer | wollman <wollman@FreeBSD.org> | 1996-01-17 21:57:57 +0000 |
commit | 3735a1982de36dbf4bae09d20b0f306540ee6bcf (patch) | |
tree | a1d628f6fe0597449b2b738105b11a3eca1fc3f2 /share/man/man4/pt.4 | |
parent | 7b81f4c2ac3a35cac96ef2c3a7fba5a3317461f0 (diff) | |
download | FreeBSD-src-3735a1982de36dbf4bae09d20b0f306540ee6bcf.zip FreeBSD-src-3735a1982de36dbf4bae09d20b0f306540ee6bcf.tar.gz |
Use -mdoc macros correctly. st(4) still needs work.
Diffstat (limited to 'share/man/man4/pt.4')
-rw-r--r-- | share/man/man4/pt.4 | 72 |
1 files changed, 40 insertions, 32 deletions
diff --git a/share/man/man4/pt.4 b/share/man/man4/pt.4 index eeb2afe..3754380 100644 --- a/share/man/man4/pt.4 +++ b/share/man/man4/pt.4 @@ -3,64 +3,72 @@ .Os FreeBSD .Sh NAME .Nm pt -.Nd scsi processor type driver +.Nd SCSI processor type driver .Sh SYNOPSIS -.Nm device pt0 at scbus? +.Cd device pt0 at scbus? .Sh DESCRIPTION The -.Xr pt +.Nm driver provides support for a -SCSI processor type device. These are usually scanners and other -devices using the SCSI link as a communication interface with device +.Tn SCSI +processor type device. These are usually scanners and other +devices using the +.Tn SCSI +link as a communication interface with device specific commands embedded in the data stream. .Pp -A scsi adapter must be separately configured into the system +A +.Tn SCSI +adapter must be separately configured into the system before this driver can be used. .Pp This device only supports .Xr read 2 and .Xr write 2 , -and the general scsi ioctl calls. -.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/pt -compact -.It Pa /dev/pt[0-255] -pt{x} is the 'xth' processor device. -.El -.Sh DIAGNOSTICS +and the generic +.Tn SCSI +.Xr ioctl 2 +calls. The -.Em "at scbus?" +.Sq Li at scbus? is required in the config file for the configuration system to know this is a SCSI device and generate the appropriate tables. .Pp -The 0 in -.Em pt0 +The +.Sq Li 0 +in +.Sq Li pt0 in the configuration is required. -This is a bug in +This is a deficiency in .Xr config 8 . -.Pp +.Sh IOCTLS +The +.Nm +driver has no +.Fn ioctl +commands of its own but rather acts as a medium for the +generic +.Xr scsi 4 +commands. These are described in +.Aq Pa sys/scsiio.h . All .Xr scsi 4 debug ioctls work on .Nm devices. +.Sh FILES +.Bl -tag -width /dev/ptQQQ -compact +.It Pa /dev/pt Ns Ar N +the +.No Ar N Ns th processor device. +.El .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 FreeBSD 2.1 +driver appeared in +.Tn FreeBSD +2.1. |