1# IPZ VPD D-Bus Interfaces
2
3IPZ is a VPD (Vital Product Data) format used in IBM Power systems. The format
4consists of keywords that are stored as key-value pairs (Keyword name and its
5value). Keywords are grouped into records, usually with similar function grouped
6into a single record.
7
8The [OpenPower VPD] [1] format is quite similar to the IPZ format and describes
9the record-keyword structure.
10
11Also refer to the [VPD Collection design document] [2] that describes how the
12VPD collection application on the BMC will parse and publish the VPD data for
13IBM Power systems on D-Bus.
14
15The D-Bus interfaces defined here describe how IPZ VPD will be made available on
16D-Bus. Each YAML here represents a record in the IPZ VPD and keywords that
17belong to that record are represented as properties under that interface. The
18type of every property shall be a byte array.
19
20[1]:
21  https://www-355.ibm.com/systems/power/openpower/posting.xhtml?postingId=1D060729AC96891885257E1B0053BC95
22[2]: https://github.com/openbmc/docs/blob/master/designs/vpd-collection.md
23