1 What: /sys/devices/.../sun 1 What: /sys/devices/.../sun
2 Date: October 2012 2 Date: October 2012
3 Contact: Yasuaki Ishimatsu <isimatu.yasu 3 Contact: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
4 Description: 4 Description:
5 The file contains a Slot-uniqu 5 The file contains a Slot-unique ID which provided by the _SUN
6 method in the ACPI namespace. 6 method in the ACPI namespace. The value is written in Advanced
7 Configuration and Power Interf 7 Configuration and Power Interface Specification as follows:
8 8
9 "The _SUN value is required to 9 "The _SUN value is required to be unique among the slots of
10 the same type. It is also reco 10 the same type. It is also recommended that this number match
11 the slot number printed on the 11 the slot number printed on the physical slot whenever possible."
12 12
13 So reading the sysfs file, we 13 So reading the sysfs file, we can identify a physical position
14 of the slot in the system. 14 of the slot in the system.
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