.TH "libnvme" 9 "struct nvmf_auth_negotiate" "October 2026" "API Manual" LINUX
.SH NAME
struct nvmf_auth_negotiate \- AUTH_Negotiate message, host to controller
.SH SYNOPSIS
struct nvmf_auth_negotiate {
.br
.BI "    __u8 auth_type;"
.br
.BI "    __u8 auth_id;"
.br
.BI "    __u16 rsvd2;"
.br
.BI "    __le16 t_id;"
.br
.BI "    __u8 sc_c;"
.br
.BI "    __u8 napd;"
.br
.BI "    __u8 apd[];"
.br
.BI "
};
.br

.SH Members
.IP "auth_type" 12
Authentication Type, see \fIenum nvmf_auth_protocol_id\fP.
Cleared to 0h (i.e., common messages).
.IP "auth_id" 12
Authentication Identifier, see \fIenum nvmf_auth_id\fP.
Cleared to 0h (i.e., AUTH_Negotiate).
.IP "rsvd2" 12
Reserved
.IP "t_id" 12
Transaction Identifier
.IP "sc_c" 12
Secure Channel Concatenation, see \fIenum nvmf_auth_sc_c\fP
.IP "napd" 12
Number of Authentication Protocol Descriptors
.IP "apd" 12
Authentication Protocol Descriptor list, \fInapd\fP entries of 64
bytes each. Currently always a
\fIstruct nvmf_auth_kxchap_protocol_descriptor\fP, the only
authentication protocol defined.