K 10 svn:author V 6 emaste K 8 svn:date V 27 2012-11-19T16:16:34.308533Z K 7 svn:log V 288 MFC r231589: Add a sysctl to report the firmware build number. Some older firmware versions have issues that can be worked around by avoiding certain operations. Add a sysctl dev.aac.#.firmware_build to make it easy for scripts or userland tools to detect the firmware version. END