xref: /dflybsd-src/share/man/man4/pt.4 (revision 86d7f5d305c6adaa56ff4582ece9859d73106103)
1*86d7f5d3SJohn Marino.\" Copyright (c) 1995
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26*86d7f5d3SJohn Marino.\" $FreeBSD: src/share/man/man4/pt.4,v 1.8.2.3 2001/08/17 13:08:39 ru Exp $
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28*86d7f5d3SJohn Marino.\"
29*86d7f5d3SJohn Marino.Dd March 2, 1995
30*86d7f5d3SJohn Marino.Dt PT 4
31*86d7f5d3SJohn Marino.Os
32*86d7f5d3SJohn Marino.Sh NAME
33*86d7f5d3SJohn Marino.Nm pt
34*86d7f5d3SJohn Marino.Nd SCSI processor type driver
35*86d7f5d3SJohn Marino.Sh SYNOPSIS
36*86d7f5d3SJohn Marino.Cd device pt
37*86d7f5d3SJohn Marino.Cd device pt1 at scbus0 target 3 unit 0
38*86d7f5d3SJohn Marino.Sh DESCRIPTION
39*86d7f5d3SJohn MarinoThe
40*86d7f5d3SJohn Marino.Nm
41*86d7f5d3SJohn Marinodriver provides support for a
42*86d7f5d3SJohn Marino.Tn SCSI
43*86d7f5d3SJohn Marinoprocessor type device.  These are usually scanners and other
44*86d7f5d3SJohn Marinodevices using the
45*86d7f5d3SJohn Marino.Tn SCSI
46*86d7f5d3SJohn Marinolink as a communication interface with device
47*86d7f5d3SJohn Marinospecific commands embedded in the data stream.
48*86d7f5d3SJohn Marino.Pp
49*86d7f5d3SJohn MarinoA
50*86d7f5d3SJohn Marino.Tn SCSI
51*86d7f5d3SJohn Marinoadapter must be separately configured into the system
52*86d7f5d3SJohn Marinobefore this driver can be used.
53*86d7f5d3SJohn Marino.Pp
54*86d7f5d3SJohn MarinoThis device supports
55*86d7f5d3SJohn Marino.Xr read 2
56*86d7f5d3SJohn Marinoand
57*86d7f5d3SJohn Marino.Xr write 2 ,
58*86d7f5d3SJohn Marinoand the
59*86d7f5d3SJohn Marino.Xr ioctl 2
60*86d7f5d3SJohn Marinocalls described below.
61*86d7f5d3SJohn Marino.Sh IOCTLS
62*86d7f5d3SJohn MarinoThe following
63*86d7f5d3SJohn Marino.Xr ioctl 2
64*86d7f5d3SJohn Marinocalls are supported by the
65*86d7f5d3SJohn Marino.Nm
66*86d7f5d3SJohn Marinodriver.  They are defined in the header file
67*86d7f5d3SJohn Marino.In sys/ptio.h .
68*86d7f5d3SJohn Marino.Bl -tag -width 012345678901234
69*86d7f5d3SJohn Marino.It Dv PTIOCGETTIMEOUT
70*86d7f5d3SJohn MarinoThis ioctl allows userland applications to fetch the current
71*86d7f5d3SJohn Marino.Nm
72*86d7f5d3SJohn Marinodriver read and write timeout.  The value returned is in seconds.
73*86d7f5d3SJohn Marino.It Dv PTIOCSETTIMEOUT
74*86d7f5d3SJohn MarinoThis ioctl allows userland applications to set the current
75*86d7f5d3SJohn Marino.Nm
76*86d7f5d3SJohn Marinodriver read and write timeouts.  The value should be in seconds.
77*86d7f5d3SJohn Marino.El
78*86d7f5d3SJohn Marino.Sh FILES
79*86d7f5d3SJohn Marino.Bl -tag -width /dev/ptQQQ -compact
80*86d7f5d3SJohn Marino.It Pa /dev/pt Ns Ar N
81*86d7f5d3SJohn Marinothe
82*86d7f5d3SJohn Marino.Ar N Ns th processor device.
83*86d7f5d3SJohn Marino.El
84*86d7f5d3SJohn Marino.Sh SEE ALSO
85*86d7f5d3SJohn Marino.Xr scsi 4
86*86d7f5d3SJohn Marino.Sh HISTORY
87*86d7f5d3SJohn MarinoThe
88*86d7f5d3SJohn Marino.Nm
89*86d7f5d3SJohn Marinodriver appeared in
90*86d7f5d3SJohn Marino.Fx 2.1 .
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