1.\" Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi Shimokawa 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.\" 3. All advertising materials mentioning features or use of this software 13.\" must display the acknowledgement as bellow: 14.\" 15.\" This product includes software developed by K. Kobayashi and H. Shimokawa 16.\" 17.\" 4. The name of the author may not be used to endorse or promote products 18.\" derived from this software without specific prior written permission. 19.\" 20.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 22.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 23.\" DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 24.\" INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 25.\" (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 26.\" SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 28.\" STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 29.\" ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30.\" POSSIBILITY OF SUCH DAMAGE. 31.\" 32.\" $FreeBSD$ 33.\" 34.Dd May 23, 2002 35.Dt FIREWIRE 4 36.Os 37.Sh NAME 38.Nm firewire 39.Nd IEEE1394 High-performance Serial Bus 40.Sh SYNOPSIS 41.Cd "device firewire" 42.Cd "device fwohci" 43.Pp 44.In dev/firewire/firewire.h 45.Sh DESCRIPTION 46.Fx 47provides machine-independent bus support and raw drivers for 48.Nm 49interfaces. 50.Pp 51The 52.Nm 53driver consists of two layers: the controller and the 54bus layer. 55The controller attaches to a physical bus 56(like 57.Xr pci 4 ) . 58The 59.Nm 60bus attaches to the controller. 61And the additional driver can be attached to the bus. 62.Pp 63Up to 63 devices, including the host itself, can be attached to 64a 65.Nm 66bus. 67The root node is dynamically assigned with PHY device function. 68Also, the other 69.Nm 70bus specific parameters, 71e.g., node ID, cycle master, isochronous resource manager and bus 72manager, are dynamically assigned, after bus reset is initiated. 73On 74.Nm 75bus, every device is identified with EUI 64 address. 76.Sh SEE ALSO 77.Xr fwcontrol 8 , 78.Xr fwe 4 , 79.Xr fwohci 4 , 80.Xr pci 4 , 81.Xr sbp 4 82.Sh HISTORY 83The 84.Nm 85driver first appeared in 86.Fx 5.0 . 87.Sh AUTHORS 88.An -nosplit 89The 90.Nm 91driver was written by 92.An Katsushi Kobayashi 93and 94.An Hidetoshi Shimokawa 95for the 96.Fx 97project. 98