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FIREWIRE(4)           DragonFly Kernel Interfaces Manual           FIREWIRE(4)

NAME

firewire -- IEEE1394 High-performance Serial Bus

SYNOPSIS

kldload firewire or device firewire #include <bus/firewire/firewire.h>

DESCRIPTION

DragonFly provides machine-independent bus support and raw drivers for firewire interfaces. The firewire driver consists of two layers: the controller and the bus layer. The controller attaches to a physical bus (like pci(4)). The firewire bus attaches to the controller. Additional drivers can be attached to the bus. Up to 63 devices, including the host itself, can be attached to a firewire bus. The root node is dynamically assigned with a PHY device function. Also, the other firewire bus specific parameters, e.g., node ID, cycle master, isochronous resource manager and bus manager, are dynamically assigned, after bus reset is initiated. On the firewire bus, every device is identified by an EUI 64 address.

FILES

/dev/fw0 /dev/fwmem0

SEE ALSO

fwe(4), fwohci(4), pci(4), sbp(4), fwcontrol(8), kldload(8), sysctl(8)

HISTORY

The firewire driver first appeared in FreeBSD 5.0.

AUTHORS

The firewire driver was written by Katsushi Kobayashi and Hidetoshi Shimokawa for the FreeBSD project.

BUGS

See fwohci(4) for security note. DragonFly 3.5 May 23, 2002 DragonFly 3.5

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