fwohci(4)

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.conf(5):
      firewire_load="YES"

HARDWARE

The fwohci driver provides support for PCI/CardBus FireWire
interface
cards. The driver supports the following IEEE 1394 OHCI
chipsets:
+o Adaptec AHA-894x/AIC-5800
+o Apple Pangea
+o Apple UniNorth
+o Intel 82372FB
+o IOGEAR GUF320
+o Lucent / Agere FW322/323
+o NEC uPD72861
+o NEC uPD72870
+o NEC uPD72871/2
+o NEC uPD72873
+o NEC uPD72874
+o National Semiconductor CS4210
+o Ricoh R5C551
+o Ricoh R5C552
+o Sony CX3022
+o Sony i.LINK (CXD1947)
+o Sony i.LINK (CXD3222)
+o Sun PCIO-2 (RIO 1394)
+o Texas Instruments PCI4410A
+o Texas Instruments PCI4450
+o Texas Instruments PCI4451
+o Texas Instruments TSB12LV22
+o Texas Instruments TSB12LV23
+o Texas Instruments TSB12LV26
+o Texas Instruments TSB43AA22
+o Texas Instruments TSB43AB21/A/AI/A-EP
+o Texas Instruments TSB43AB22/A
+o Texas Instruments TSB43AB23
+o Texas Instruments TSB82AA2
+o VIA Fire II (VT6306)

SEE ALSO

firewire(4), fwe(4), fwip(4), sbp(4), fwcontrol(8), kld
load(8)

HISTORY

The fwohci device driver first appeared in FreeBSD 5.0.

AUTHORS

The fwohci device driver was written by Katsushi Kobayashi
and 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 expect
ed to be connected with un-trustable devices because a node can monitor
all the traffic.
BSD June 23, 2005
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