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77 lines
2.3 KiB
Groff
77 lines
2.3 KiB
Groff
.\"
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.\" Copyright (c) 2014 Hans Petter Selasky
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd May 17, 2018
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.Dt USFS 4
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.Os
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.Sh NAME
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.Nm usfs
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.Nd USB device side support for bulk only transport mass storage
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.Sh SYNOPSIS
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To compile this driver into the kernel,
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place the following lines in your
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kernel configuration file:
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.Bd -ragged -offset indent
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.Cd "device usb"
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.Cd "device usfs"
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.Ed
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.Pp
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Alternatively, to load the driver as a
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module at boot time, place the following line in
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.Xr loader.conf 5 :
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.Bd -literal -offset indent
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usfs_load="YES"
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.Ed
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.Sh DESCRIPTION
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.Bf -symbolic
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This driver is obsolete.
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Users are advised to use
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.Xr cfumass 4
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instead.
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.Ef
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.Pp
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The
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.Nm
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driver provides support for emulating an USB mass storage device when
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the USB stack is activated in USB device side mode (the
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.Xr usb_template 4
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module is loaded and the
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.Va hw.usb.template
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sysctl is set to 0).
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.Pp
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Upon attach the driver creates a RAM disk which can be read and written.
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.Sh SEE ALSO
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.Xr cfumass 4 ,
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.Xr umass 4 ,
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.Xr usb 4 ,
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.Xr usb_template 4
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.Sh HISTORY
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The
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.Nm
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driver appeared in
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.Fx 8.0 .
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