Dynamic PCIe Bus Assignment Requirements in Oracle VM Server for SPARC 3.2 Administration Guide does not specify the complete set of requirements for the dynamic PCIe bus assignment feature.
This feature is not supported with a root domain that runs the Oracle Solaris 10 OS. This feature runs on the supported SPARC M-Series systems with at least the 9.4.2 version of the system firmware and the Oracle Solaris 11 OS, and on Fujitsu M10 servers with at least XCP2240 and the Oracle Solaris 11 OS.