This message is from the T13 list server.
* Change behavior of INQUIRY output field 'product revision' from
the libata software version number to the first 4 bytes of the
ATA device's firmware revision number.
That op x12 "INQUIRY" firmware revision field is bytes x20..23 (32..35).
What follows at offset x24 (36) is something like x14 (20) vendor-specific bytes. I'd therefore myself consider,
Copy all the bytes of the ATA device's firmware revision to offset x20 (32).
When thinking as a firmware engineer, I think of those bits as the core bits out of which all the other fluffier bits flow. I remember therefore designing ATA bits within the SCSI limit for translation. I suppose I understood those bits should appear left-justified in the wider field.
Pat LaVarre http://linux-pel.blog-city.com/read/621270.htm
