1. An apparatus, comprising: a memory configured to receive from a host a plurality of memory access requests, a status request, and an execution command, and to execute one or more of the plurality of memory access requests responsive to the execution command from the host; wherein the execution command comprises a plurality of indications, each of the plurality of indications corresponding to a respective one of the plurality of memory access requests, and indicating whether the host is requesting the memory to execute the respective one of the plurality of memory access requests.