Provided by: libnvme-dev_1.10-1_amd64 
NAME
nvme_io - Submit an nvme user I/O command
SYNOPSIS
int nvme_io (struct nvme_io_args *args , __u8 opcode );
ARGUMENTS
args struct nvme_io_args argument structure
opcode Opcode to execute
RETURN
The nvme command status if a response was received (see enum nvme_status_field) or -1 with errno set
otherwise.