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NAME    [Toc]    [Back]

     fwohci -- OHCI firewire chipset device driver

SYNOPSIS    [Toc]    [Back]

     kldload firewire


     device firewire

DESCRIPTION    [Toc]    [Back]

     The fwohci driver provides support for PCI/CardBus firewire interface
     cards.  The driver supports following IEEE 1394 OHCI chipsets.

     NEC uPD72861

     Texas Instruments TSB12LV{22,23,26}, TSB43{AA22,AB22/A}, PCI44{10A,50}

     Sony CX3022

     VIA VT6306

     Ricoh R5C552

SEE ALSO    [Toc]    [Back]

     firewire(4), fwe(4), sbp(4), fwcontrol(8), kldload(8)

HISTORY    [Toc]    [Back]

     The fwohci device driver first appeared in FreeBSD 5.0.

AUTHORS    [Toc]    [Back]

     The fwohci device driver was written by Katsushi Kobayashi and Hidetoshi

BUGS    [Toc]    [Back]

     The driver allows physical access from any nodes on the bus by default.
     This means that any devices on the bus can read and modify any memory
     space which can be accessed by IEEE 1394 OHCI chip.  It is allowed mostly
     for sbp(4) devices.  This should be changed to allow it only for specific
     devices.  Anyway, FireWire is a bus and not expected to be connected with
     un-trustable devices because a node can monitor all the traffic.

FreeBSD 5.2.1			April 10, 2000			 FreeBSD 5.2.1
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