SYSTEM AND METHOD OF ORCHESTRATING EXECUTION OF COMMANDS IN A NON-VOLATILE MEMORY EXPRESS (NVMe) DEVICE

A system for orchestrating execution of commands in a nonvolatile memory express (NVMe) device, the system comprising:

• a host device;
• and
• the nonvolatile memory express (NVMe) device connected to the host device, wherein the nonvolatile memory express (NVMe) device:
• receives, in a submission queue and from the host device, a plurality of commands to be executed,
• identifies, among the received commands, a configuration command for changing a state or an attribute of the NVMe device, and
• initiates, in response to identifying the configuration command, selective command fencing that orchestrates the execution of the commands in the NVMe device.

A method executed by a nonvolatile memory express (NVMe) device, the method comprising:

• receiving, from one or more external hosts, a plurality of commands to be executed by a multi-core processor of the NVMe device in parallel;
• identifying, among the commands, a first set of commands that are all directed toward the same attribute of the NVMe device;
• identifying a first command, among the first set of commands, whose execution affects an execution outcome of another command within the first set;
• submitting the first command to a parallel-processing execution pipeline for execution by the NVMe device in response to determining that a state of the attribute is idle;
• and
• deferring, until after the first command is executed, execution of each command within the first set whose execution is affected by the execution of the first command.