.TH "nvme_init_auth_receive" 9 "nvme_init_auth_receive" "October 2026" "libnvme API manual" LINUX
.SH NAME
nvme_init_auth_receive \- Initialize passthru command for Authentication Receive
.SH SYNOPSIS
.B "void" nvme_init_auth_receive
.BI "(struct libnvme_passthru_cmd *cmd "  ","
.BI "__u16 spsp "  ","
.BI "__u8 secp "  ","
.BI "__u32 al "  ","
.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 "al" 12
Protocol specific allocation length
.IP "data" 12
Authentication message payload buffer to receive data into
.IP "len" 12
Data length of the payload in bytes (must match \fIal\fP)
.SH "DESCRIPTION"
Initializes the passthru command buffer for the Fabrics Authentication
Receive command, used to receive a KX-HMAC-CHAP authentication message
(e.g. \fIstruct nvmf_auth_kxchap_challenge\fP) from a controller. This is an
NVMe-over-Fabrics specific command that reuses the SECP/SPSP0/SPSP1/AL
field encoding of the Security Receive command.