.TH "nvme_directive_send" 9 "nvme_directive_send" "July 2022" "libnvme API manual" LINUX .SH NAME nvme_directive_send \- Send directive command .SH SYNOPSIS .B "int" nvme_directive_send .BI "(struct nvme_directive_send_args *args " ");" .SH ARGUMENTS .IP "args" 12 \fIstruct nvme_directive_send_args\fP argument structure .SH "DESCRIPTION" Directives is a mechanism to enable host and NVM subsystem or controller information exchange. The Directive Send command transfers data related to a specific Directive Type from the host to the controller. See the NVMe specification for more information. .SH "RETURN" The nvme command status if a response was received (see \fIenum nvme_status_field\fP) or -1 with errno set otherwise.