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+.\" Copyright (c) 2006 Scott Long
+.\" 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.
+.\"
+.\" 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 THE 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 March 29, 2006
+.Dt MFI 4
+.Os
+.Sh NAME
+.Nm mfi
+.Nd "LSI MegaRAID SAS driver"
+.Sh SYNOPSIS
+.Cd "device pci"
+.Cd "device mfi"
+.Sh DESCRIPTION
+This driver is for LSI's next generation PCI Express SAS RAID controllers.
+Access to RAID arrays (logical disks) from this driver is provided via
+.Pa /dev/mfid?
+device nodes.
+A simple management interface is also provided on a per-controller basis via
+the
+.Pa /dev/mfi?
+device node.
+.Pp
+The
+.Nm
+name is derived from the phrase "MegaRAID Firmware Interface", which is
+substantially different than the old "MegaRAID" interface and thus requires
+a new driver.
+Older SCSI and SATA MegaRAID cards will not work with this driver.
+.Pp
+.Sh HARDWARE
+The
+.Nm
+driver supports the following hardware:
+.Pp
+.Bl -bullet -compact
+.It
+LSI MegaRAID SAS 8408E
+.It
+LSI MegaRAID SAS 8480E
+.It
+Dell PERC5/i
+.El
+.Sh FILES
+.Bl -tag -width ".Pa /dev/mfid?" -compact
+.It Pa /dev/mfid?
+array/logical disk interface
+.It Pa /dev/mfi?
+management interface
+.El
+.Sh SEE ALSO
+.Xr pci 4
+.Sh HISTORY
+The
+.Nm
+manual page example first appeared in
+.Fx 7.0 .
+.Pp
+.El
+.Sh AUTHORS
+This manual page was written by
+.An Scott Long Aq scottl@FreeBSD.org .
+.Sh BUGS
+The driver does not support big-endian architectures at this time.