The OPAL support in v8 was always very minimal and restricted to a selection of Hitachi drives as shown by Sarfaraz's post above.
For SEE11, this has been expanded somewhat, please see the below articles for further information:
http://www.symantec.com/docs/TECH226779
http://www.symantec.com/docs/TECH229033
http://www.symantec.com/docs/TECH229139