linux-sg2042/Documentation/driver-api/firewire.rst

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Firewire (IEEE 1394) driver Interface Guide
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Introduction and Overview
=========================

The Linux FireWire subsystem adds some interfaces into the Linux system to
 use/maintain+any resource on IEEE 1394 bus.

The main purpose of these interfaces is to access address space on each node
on IEEE 1394 bus by ISO/IEC 13213 (IEEE 1212) procedure, and to control
isochronous resources on the bus by IEEE 1394 procedure.

Two types of interfaces are added, according to consumers of the interface. A
set of userspace interfaces is available via `firewire character devices`. A set
of kernel interfaces is available via exported symbols in `firewire-core` module.

Firewire char device data structures
====================================

.. include:: /ABI/stable/firewire-cdev
    :literal:

.. kernel-doc:: include/uapi/linux/firewire-cdev.h
    :internal:

Firewire device probing and sysfs interfaces
============================================

.. include:: /ABI/stable/sysfs-bus-firewire
    :literal:

.. kernel-doc:: drivers/firewire/core-device.c
    :export:

Firewire core transaction interfaces
====================================

.. kernel-doc:: drivers/firewire/core-transaction.c
    :export:

Firewire Isochronous I/O interfaces
===================================

.. kernel-doc:: drivers/firewire/core-iso.c
   :export: