.TH "nvme_init_auth_send" 9 "nvme_init_auth_send" "October 2026" "libnvme API manual" LINUX
.SH NAME
nvme_init_auth_send \- Initialize passthru command for Authentication Send
.SH SYNOPSIS
.B "void" nvme_init_auth_send
.BI "(struct libnvme_passthru_cmd *cmd "  ","
.BI "__u16 spsp "  ","
.BI "__u8 secp "  ","
.BI "__u32 tl "  ","
.BI "void *data "  ","
.BI "__u32 len "  ");"
.SH ARGUMENTS
.IP "cmd" 12
Passthru command to use
.IP "spsp" 12
Security Protocol Specific field
.IP "secp" 12
Security Protocol
.IP "tl" 12
Protocol specific transfer length
.IP "data" 12
Authentication message payload buffer to send
.IP "len" 12
Data length of the payload in bytes
.SH "DESCRIPTION"
Initializes the passthru command buffer for the Fabrics Authentication
Send command, used to send a KX-HMAC-CHAP authentication message (e.g.
\fIstruct nvmf_auth_kxchap_reply\fP) to a controller. This is an
NVMe-over-Fabrics specific command that reuses the SECP/SPSP0/SPSP1/TL
field encoding of the Security Send command.