1.\" $NetBSD: mmem.4,v 1.5 2017/02/17 22:24:46 christos Exp $ 2.\" 3.\" Copyright (c) 2002 The NetBSD Foundation, Inc. 4.\" All rights reserved. 5.\" 6.\" This code is derived from software contributed to The NetBSD Foundation 7.\" by ITOH Yasufumi. 8.\" 9.\" Redistribution and use in source and binary forms, with or without 10.\" modification, are permitted provided that the following conditions 11.\" are met: 12.\" 1. Redistributions of source code must retain the above copyright 13.\" notice, this list of conditions and the following disclaimer. 14.\" 2. Redistributions in binary form must reproduce the above copyright 15.\" notice, this list of conditions and the following disclaimer in the 16.\" documentation and/or other materials provided with the distribution. 17.\" 18.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28.\" POSSIBILITY OF SUCH DAMAGE. 29.\" 30.Dd February 17, 2017 31.Dt MMEM 4 dreamcast 32.Os 33.Sh NAME 34.Nm mmem 35.Nd Maple bus storage device driver 36.Sh SYNOPSIS 37.Cd "mmem* at maple? port ? subunit ?" 38.Sh DESCRIPTION 39The 40.Nm 41driver provides support for Maple bus storage devices (memory cards). 42.Sh IOCTLS 43The following 44.Xr ioctl 2 45calls apply to Maple bus storage devices. 46.Pp 47.Bl -tag -width XXXXXXX 48.It Dv DIOCGDINFO Fa struct disklabel 49Read, from the kernel, the 50.Xr disklabel 5 51of the device. 52.El 53.Pp 54In addition, Maple bus storage devices accept all 55.Xr ioctl 2 56calls described in 57.Xr dreamcast/maple 4 . 58.Sh FILES 59.Bl -tag -width /dev/rmmemX.XXXX -compact 60.It Pa /dev/mmem Ns Ar u . Ns Ar tp 61block mode 62Maple bus storage device unit 63.Ar u , 64.\" t is actually ``partition'' but confusing 65PT number 66.Ar t 67(usually 0 only), partition 68.Ar p 69.It Pa /dev/rmmem Ns Ar u . Ns Ar tp 70raw mode 71Maple bus storage device unit 72.Ar u , 73.\" t is actually ``partition'' but confusing 74PT number 75.Ar t 76(usually 0 only), partition 77.Ar p 78.El 79.Sh SEE ALSO 80.Xr ioctl 2 , 81.Xr dreamcast/maple 4 , 82.Xr disklabel 5 83.Sh HISTORY 84The 85.Nm 86device driver appeared in 87.Nx 2.0 . 88