1What: /sys/bus/firewire/devices/fw[0-9]+/ 2Date: May 2007 3KernelVersion: 2.6.22 4Contact: linux1394-devel@lists.sourceforge.net 5Description: 6 IEEE 1394 node device attributes. 7 Read-only. Mutable during the node device's lifetime. 8 See IEEE 1212 for semantic definitions. 9 10 config_rom 11 Contents of the Configuration ROM register. 12 Binary attribute; an array of host-endian u32. 13 14 guid 15 The node's EUI-64 in the bus information block of 16 Configuration ROM. 17 Hexadecimal string representation of an u64. 18 19 20What: /sys/bus/firewire/devices/fw[0-9]+/units 21Date: June 2009 22KernelVersion: 2.6.31 23Contact: linux1394-devel@lists.sourceforge.net 24Description: 25 IEEE 1394 node device attribute. 26 Read-only. Mutable during the node device's lifetime. 27 See IEEE 1212 for semantic definitions. 28 29 units 30 Summary of all units present in an IEEE 1394 node. 31 Contains space-separated tuples of specifier_id and 32 version of each unit present in the node. Specifier_id 33 and version are hexadecimal string representations of 34 u24 of the respective unit directory entries. 35 Specifier_id and version within each tuple are separated 36 by a colon. 37 38Users: udev rules to set ownership and access permissions or ACLs of 39 /dev/fw[0-9]+ character device files 40 41 42What: /sys/bus/firewire/devices/fw[0-9]+/is_local 43Date: July 2012 44KernelVersion: 3.6 45Contact: linux1394-devel@lists.sourceforge.net 46Description: 47 IEEE 1394 node device attribute. 48 Read-only and immutable. 49Values: 1: The sysfs entry represents a local node (a controller card). 50 51 0: The sysfs entry represents a remote node. 52 53 54What: /sys/bus/firewire/devices/fw[0-9]+[.][0-9]+/ 55Date: May 2007 56KernelVersion: 2.6.22 57Contact: linux1394-devel@lists.sourceforge.net 58Description: 59 IEEE 1394 unit device attributes. 60 Read-only. Immutable during the unit device's lifetime. 61 See IEEE 1212 for semantic definitions. 62 63 modalias 64 Same as MODALIAS in the uevent at device creation. 65 66 rom_index 67 Offset of the unit directory within the parent device's 68 (node device's) Configuration ROM, in quadlets. 69 Decimal string representation. 70 71 72What: /sys/bus/firewire/devices/*/ 73Date: May 2007 74KernelVersion: 2.6.22 75Contact: linux1394-devel@lists.sourceforge.net 76Description: 77 Attributes common to IEEE 1394 node devices and unit devices. 78 Read-only. Mutable during the node device's lifetime. 79 Immutable during the unit device's lifetime. 80 See IEEE 1212 for semantic definitions. 81 82 These attributes are only created if the root directory of an 83 IEEE 1394 node or the unit directory of an IEEE 1394 unit 84 actually contains according entries. 85 86 hardware_version 87 Hexadecimal string representation of an u24. 88 89 hardware_version_name 90 Contents of a respective textual descriptor leaf. 91 92 model 93 Hexadecimal string representation of an u24. 94 95 model_name 96 Contents of a respective textual descriptor leaf. 97 98 specifier_id 99 Hexadecimal string representation of an u24. 100 Mandatory in unit directories according to IEEE 1212. 101 102 vendor 103 Hexadecimal string representation of an u24. 104 Mandatory in the root directory according to IEEE 1212. 105 106 vendor_name 107 Contents of a respective textual descriptor leaf. 108 109 version 110 Hexadecimal string representation of an u24. 111 Mandatory in unit directories according to IEEE 1212. 112 113 114What: /sys/bus/firewire/drivers/sbp2/fw*/host*/target*/*:*:*:*/ieee1394_id 115 formerly 116 /sys/bus/ieee1394/drivers/sbp2/fw*/host*/target*/*:*:*:*/ieee1394_id 117Date: Feb 2004 118KernelVersion: 2.6.4 119Contact: linux1394-devel@lists.sourceforge.net 120Description: 121 SCSI target port identifier and logical unit identifier of a 122 logical unit of an SBP-2 target. The identifiers are specified 123 in SAM-2...SAM-4 annex A. They are persistent and world-wide 124 unique properties the SBP-2 attached target. 125 126 Read-only attribute, immutable during the target's lifetime. 127 Format, as exposed by firewire-sbp2 since 2.6.22, May 2007: 128 Colon-separated hexadecimal string representations of 129 130 u64 EUI-64 : u24 directory_ID : u16 LUN 131 132 without 0x prefixes, without whitespace. The former sbp2 driver 133 (removed in 2.6.37 after being superseded by firewire-sbp2) used 134 a somewhat shorter format which was not as close to SAM. 135 136Users: udev rules to create /dev/disk/by-id/ symlinks 137