.TH "nvme_identify_ctrl" 2 "nvme_identify_ctrl" "February 2024" "libnvme API manual" LINUX .SH NAME nvme_identify_ctrl \- Retrieves nvme identify controller .SH SYNOPSIS .B "int" nvme_identify_ctrl .BI "(int fd " "," .BI "struct nvme_id_ctrl *id " ");" .SH ARGUMENTS .IP "fd" 12 File descriptor of nvme device .IP "id" 12 User space destination address to transfer the data, .SH "DESCRIPTION" Sends nvme identify with CNS value NVME_IDENTIFY_CNS_CTRL. See \fIstruct nvme_id_ctrl\fP for details on the data returned. .SH "RETURN" The nvme command status if a response was received (see \fIenum nvme_status_field\fP) or -1 with errno set otherwise.