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fwohci.4freebsd

Langue: en

Version: 300169 (debian - 07/07/09)

Section: 4 (Pilotes et protocoles réseau)


BSD mandoc

NAME

fwohci - OHCI FireWire chipset device driver

SYNOPSIS

To compile this driver into the kernel, place the following line in your kernel configuration file:
device firewire

Alternatively, to load the driver as a module at boot time, place the following line in loader.conf5:

 firewire_load="YES"
 

To disable physical access (see Sx BUGS section for detail), put the following line in loader.conf5:

 hw.firewire.phydma_enable=0
 

HARDWARE

The driver provides support for PCI/CardBus FireWire interface cards. The driver supports the following IEEE 1394 OHCI chipsets:

SEE ALSO

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

HISTORY

The device driver first appeared in Fx 5.0 .

AUTHORS

An -nosplit The device driver was written by An Katsushi Kobayashi and An Hidetoshi Shimokawa .

BUGS

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 an 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.
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M : Je te jure sur la vie de ma mère ! Les anthropophages mangeaient toujours un diabétique au dessert ! Siiii !