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fwohci (4)
  • >> fwohci (4) ( FreeBSD man: Специальные файлы /dev/* )

  • 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.


     

    Index

    NAME
    SYNOPSIS
    HARDWARE
    SEE ALSO
    HISTORY
    AUTHORS
    BUGS


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