1.\" Copyright (c) 1998, Nicolas Souchu 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" 25.\" $FreeBSD: src/share/man/man4/smb.4,v 1.6.2.2 2001/08/17 13:08:39 ru Exp $ 26.\" 27.Dd October 25, 1998 28.Dt SMB 4 29.Os 30.Sh NAME 31.Nm smb 32.Nd SMB generic I/O device driver 33.Sh SYNOPSIS 34.Cd "device smb" 35.Sh DESCRIPTION 36The 37.Em smb 38character device driver provides generic i/o to any 39.Xr smbus 4 40instance. 41In order to control SMB devices, use /dev/smb? with the 42following ioctls: 43.Pp 44.Bl -column "System Management Bus ioctls" -compact 45.It Em Ioctl Ta Em Description 46.It Sy SMB_QUICK_WRITE Ta "QuickWrite command" 47.It Sy SMB_QUICK_READ Ta "QuickRead command" 48.It Sy SMB_SENDB Ta "SendByte command" 49.It Sy SMB_RECVB Ta "ReceiveByte command" 50.It Sy SMB_WRITEB Ta "WriteByte command" 51.It Sy SMB_WRITEW Ta "WriteWord command" 52.It Sy SMB_READB Ta "ReadByte command" 53.It Sy SMB_READW Ta "ReadWord command" 54.It Sy SMB_PCALL Ta "ProcedureCall command" 55.It Sy SMB_BWRITE Ta "BlockWrite command" 56.It Sy SMB_BREAD Ta "BlockRead command" 57.El 58.Pp 59Using the write routine is equivalent to a SMB_WRITEW ioctl. 60.Sh SEE ALSO 61.Xr smbus 4 62.Sh HISTORY 63The 64.Nm 65manual page first appeared in 66.Fx 3.0 . 67.Sh AUTHORS 68This 69manual page was written by 70.An Nicolas Souchu . 71