1. An apparatus comprising: one or more computer readable storage media; program instructions stored on the one or more computer readable media that, when executed by a processing system to facilitate accelerated input and output with respect to a virtual environment, direct the processing system to at least: upon being notified of a guest read process initiated by a guest element running in a virtual machine to read data into a location in guest memory associated with the guest element, identify a location in host memory associated with the location in the guest memory; and initiate a host read process to read the data into the location in the host memory that corresponds to the location in the guest memory.