What: /sys/bus/firewire/devices/fw[0-9]+/
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Date: May 2007
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KernelVersion: 2.6.22
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Contact: linux1394-devel@lists.sourceforge.net
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Description:
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IEEE 1394 node device attributes.
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Read-only. Mutable during the node device's lifetime.
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See IEEE 1212 for semantic definitions.
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config_rom
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Contents of the Configuration ROM register.
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Binary attribute; an array of host-endian u32.
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guid
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The node's EUI-64 in the bus information block of
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Configuration ROM.
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Hexadecimal string representation of an u64.
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What: /sys/bus/firewire/devices/fw[0-9]+/units
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Date: June 2009
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KernelVersion: 2.6.31
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Contact: linux1394-devel@lists.sourceforge.net
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Description:
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IEEE 1394 node device attribute.
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Read-only. Mutable during the node device's lifetime.
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See IEEE 1212 for semantic definitions.
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units
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Summary of all units present in an IEEE 1394 node.
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Contains space-separated tuples of specifier_id and
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version of each unit present in the node. Specifier_id
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and version are hexadecimal string representations of
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u24 of the respective unit directory entries.
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Specifier_id and version within each tuple are separated
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by a colon.
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Users: udev rules to set ownership and access permissions or ACLs of
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/dev/fw[0-9]+ character device files
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What: /sys/bus/firewire/devices/fw[0-9]+/is_local
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Date: July 2012
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KernelVersion: 3.6
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Contact: linux1394-devel@lists.sourceforge.net
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Description:
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IEEE 1394 node device attribute.
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Read-only and immutable.
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Values: 1: The sysfs entry represents a local node (a controller card).
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0: The sysfs entry represents a remote node.
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What: /sys/bus/firewire/devices/fw[0-9]+[.][0-9]+/
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Date: May 2007
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KernelVersion: 2.6.22
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Contact: linux1394-devel@lists.sourceforge.net
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Description:
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IEEE 1394 unit device attributes.
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Read-only. Immutable during the unit device's lifetime.
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See IEEE 1212 for semantic definitions.
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modalias
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Same as MODALIAS in the uevent at device creation.
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rom_index
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Offset of the unit directory within the parent device's
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(node device's) Configuration ROM, in quadlets.
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Decimal string representation.
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What: /sys/bus/firewire/devices/*/
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Date: May 2007
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KernelVersion: 2.6.22
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Contact: linux1394-devel@lists.sourceforge.net
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Description:
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Attributes common to IEEE 1394 node devices and unit devices.
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Read-only. Mutable during the node device's lifetime.
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Immutable during the unit device's lifetime.
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See IEEE 1212 for semantic definitions.
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These attributes are only created if the root directory of an
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IEEE 1394 node or the unit directory of an IEEE 1394 unit
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actually contains according entries.
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hardware_version
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Hexadecimal string representation of an u24.
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hardware_version_name
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Contents of a respective textual descriptor leaf.
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model
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Hexadecimal string representation of an u24.
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model_name
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Contents of a respective textual descriptor leaf.
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specifier_id
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Hexadecimal string representation of an u24.
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Mandatory in unit directories according to IEEE 1212.
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vendor
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Hexadecimal string representation of an u24.
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Mandatory in the root directory according to IEEE 1212.
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vendor_name
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Contents of a respective textual descriptor leaf.
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version
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Hexadecimal string representation of an u24.
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Mandatory in unit directories according to IEEE 1212.
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What: /sys/bus/firewire/drivers/sbp2/fw*/host*/target*/*:*:*:*/ieee1394_id
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formerly
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/sys/bus/ieee1394/drivers/sbp2/fw*/host*/target*/*:*:*:*/ieee1394_id
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Date: Feb 2004
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KernelVersion: 2.6.4
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Contact: linux1394-devel@lists.sourceforge.net
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Description:
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SCSI target port identifier and logical unit identifier of a
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logical unit of an SBP-2 target. The identifiers are specified
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in SAM-2...SAM-4 annex A. They are persistent and world-wide
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unique properties the SBP-2 attached target.
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Read-only attribute, immutable during the target's lifetime.
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Format, as exposed by firewire-sbp2 since 2.6.22, May 2007:
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Colon-separated hexadecimal string representations of
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u64 EUI-64 : u24 directory_ID : u16 LUN
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without 0x prefixes, without whitespace. The former sbp2 driver
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(removed in 2.6.37 after being superseded by firewire-sbp2) used
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a somewhat shorter format which was not as close to SAM.
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Users: udev rules to create /dev/disk/by-id/ symlinks
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