71 lines
2.4 KiB
Groff
71 lines
2.4 KiB
Groff
.\" Copyright (c) 1998, Nicolas Souchu
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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 October 25, 1998
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.Dt SMB 4
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.Os
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.Sh NAME
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.Nm smb
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.Nd SMB generic I/O device driver
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.Sh SYNOPSIS
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.Cd "device smb"
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.Sh DESCRIPTION
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The
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.Em smb
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character device driver provides generic i/o to any
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.Xr smbus 4
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instance.
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In order to control SMB devices, use /dev/smb? with the
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following ioctls:
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.Pp
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.Bl -column "System Management Bus ioctls" -compact
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.It Em Ioctl Ta Em Description
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.It Sy SMB_QUICK_WRITE Ta "QuickWrite command"
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.It Sy SMB_QUICK_READ Ta "QuickRead command"
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.It Sy SMB_SENDB Ta "SendByte command"
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.It Sy SMB_RECVB Ta "ReceiveByte command"
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.It Sy SMB_WRITEB Ta "WriteByte command"
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.It Sy SMB_WRITEW Ta "WriteWord command"
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.It Sy SMB_READB Ta "ReadByte command"
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.It Sy SMB_READW Ta "ReadWord command"
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.It Sy SMB_PCALL Ta "ProcedureCall command"
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.It Sy SMB_BWRITE Ta "BlockWrite command"
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.It Sy SMB_BREAD Ta "BlockRead command"
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.El
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.Pp
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Using the write routine is equivalent to a SMB_WRITEW ioctl.
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.Sh SEE ALSO
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.Xr smbus 4
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.Sh HISTORY
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The
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.Nm
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manual page first appeared in
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.Fx 3.0 .
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.Sh AUTHORS
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This
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manual page was written by
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.An Nicolas Souchu .
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