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-.\" Copyright (c) 2002, 2004
-.\" Thomas Quinot <thomas@FreeBSD.org>. All rights reserved.
-.\"
-.\" Redistribution and use in source and binary forms, with or without
-.\" modification, are permitted provided that the following conditions
-.\" are met:
-.\" 1. Redistributions of source code must retain the above copyright
-.\" notice, this list of conditions and the following disclaimer.
-.\" 2. Redistributions in binary form must reproduce the above copyright
-.\" notice, this list of conditions and the following disclaimer in the
-.\" documentation and/or other materials provided with the distribution.
-.\" 3. Neither the name of the author nor the names of any co-contributors
-.\" may be used to endorse or promote products derived from this software
-.\" without specific prior written permission.
-.\"
-.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
-.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-.\" ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS
-.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
-.\" THE POSSIBILITY OF SUCH DAMAGE.
-.\"
-.\" $FreeBSD$
-.\"
-.Dd October 22, 2009
-.Dt ATAPICAM 4
-.Os
-.Sh NAME
-.Nm atapicam
-.Nd CAM XPT (transport) module for ATAPI devices
-.Sh SYNOPSIS
-To compile this driver into the kernel,
-place the following lines in your
-kernel configuration file:
-.Bd -ragged -offset indent
-.Cd "device scbus"
-.Cd "device ata"
-.Cd "device atapicam"
-.Ed
-.Pp
-Alternatively, to load the driver as a
-module at boot time, place the following line in
-.Xr loader.conf 5 :
-.Bd -literal -offset indent
-atapicam_load="YES"
-.Ed
-.Sh DESCRIPTION
-The ATAPI/CAM module allows ATAPI devices (CD-ROM, CD-RW, DVD drives,
-floppy drives such as Iomega Zip, tape drives) to be accessed through
-the SCSI subsystem,
-.Xr cam 4 .
-.Pp
-.Xr ata 4
-and
-.Xr scbus 4
-must be configured in the kernel as well.
-The SCSI target drivers
-.Xr ( cd 4 ,
-.Xr da 4 ,
-or
-.Xr st 4 )
-can then be used to access the devices.
-The generic passthrough device,
-.Xr pass 4 ,
-can also be used to send SCSI commands directly
-to the devices through the CAM API.
-.Pp
-A separate CAM bus is created for each ATA bus in the system.
-On each of these buses, target ID 0 is assigned to the master
-device, and ID 1 is assigned to the slave
-(provided they are ATAPI devices).
-.Sh IMPLEMENTATION NOTES
-Some SCSI commands are intercepted by the driver, and undergo special
-processing in order to work around limitations of ATAPI devices.
-Such limitations can be consequences of the ATAPI specification.
-For example, ATAPI devices do not implement the 6-byte versions
-of
-.Dv MODE_SELECT , MODE_SENSE , READ ,
-or
-.Dv WRITE .
-They can also be common bugs, such as hanging when queried for
-extended
-.Dv INQUIRY
-information.
-.Sh EXAMPLES
-.Bd -literal -offset indent
-device ata
-device atapicam
-device scbus
-device cd
-device pass
-.Ed
-.Pp
-Add the
-.Nm
-driver to the kernel.
-.Pp
-.Dl "camcontrol devlist"
-.Pp
-Print the list of all devices available through CAM.
-.Pp
-.Dl "mount -t cd9660 /dev/cd0 /mnt"
-.Pp
-Mount a CD-ROM from an ATAPI CD-ROM drive
-(the command above assumes that the ATAPI drive is the only CD-ROM unit).
-.Sh SEE ALSO
-.Xr ata 4 ,
-.Xr cam 4 ,
-.Xr scsi 4 ,
-.Xr atacontrol 8 ,
-.Xr camcontrol 8
-.Sh HISTORY
-The ATAPI/CAM driver first appeared in
-.Fx 4.8
-and
-.Fx 5.0 .
-.Sh AUTHORS
-The ATAPI/CAM driver was written by
-.An Thomas Quinot Aq thomas@FreeBSD.org .
-.Sh BUGS
-.Nm
-and ATAPI-specific target drivers
-.Xr ( acd 4 ,
-.Xr ast 4 ,
-and
-.Xr afd 4 )
-can be configured in the same kernel.
-Simultaneous access to the same device through the SCSI generic drivers
-and the ATAPI-specific drivers may cause problems and is strongly discouraged.
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