1. A computing platform, comprising: a first memory storage device having instructions for air operating system (OS) including OS PPM components for a PPM interface; a second memory storage device having instructions for a firmware boot program including firmware PPM components for a PPM interface, the OS and firmware PPM instructions, when executed, to establish a PPM interface between the OS and platform hardware; and a memory controller coupled to physical memory, the memory controller to provide the physical memory to the OS and to enable the OS to control power states for one or more nodes of the physical memory through the PPM interface.