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