.TH "libnvme" 9 "struct nvme_ave_access_request" "October 2026" "API Manual" LINUX
.SH NAME
struct nvme_ave_access_request \- KX-HMAC-CHAP_Access-Request PDU, sent by an NVMe entity (host or controller) to an AVE over the AVE's TLS connection
.SH SYNOPSIS
struct nvme_ave_access_request {
.br
.BI "    __u8 pdu_type;"
.br
.BI "    __u8 flags;"
.br
.BI "    __u8 hlen;"
.br
.BI "    __u8 pdo;"
.br
.BI "    __le32 plen;"
.br
.BI "    __le64 id;"
.br
.BI "    __u8 hl;"
.br
.BI "    __u8 hashid;"
.br
.BI "    __le16 t_id;"
.br
.BI "    __u8 sc_c;"
.br
.BI "    __u8 respr;"
.br
.BI "    __u8 nqnrlen;"
.br
.BI "    __u8 rsvd23;"
.br
.BI "    __le32 seqnum;"
.br
.BI "    __u8 acv_respv_nqnr[];"
.br
.BI "
};
.br

.SH Members
.IP "pdu_type" 12
PDU Type, see \fIenum nvme_ave_pdu_type\fP
.IP "flags" 12
Reserved
.IP "hlen" 12
Header Length: fixed length of 8 bytes (08h)
.IP "pdo" 12
PDU Data Offset, reserved
.IP "plen" 12
PDU Length: total length of the PDU in bytes
.IP "id" 12
Identifier used to match this PDU with the corresponding
\fIstruct nvme_ave_access_result\fP PDU
.IP "hl" 12
Hash Length: length in bytes of the selected hash function
.IP "hashid" 12
Hash Identifier, see \fIenum libnvmf_hmac_alg\fP
.IP "t_id" 12
Transaction Identifier
.IP "sc_c" 12
Secure Channel Concatenation, see \fIenum nvmf_auth_sc_c\fP
.IP "respr" 12
Responder's Role: 'H' (48h) if host, 'C' (43h) if controller
.IP "nqnrlen" 12
NQN Responder Length: length in bytes of \fIacv_respv_nqnr\fP's
NQNR component
.IP "rsvd23" 12
Reserved
.IP "seqnum" 12
Sequence Number (S)
.IP "acv_respv_nqnr" 12
Augmented Challenge Value (Ca, \fIhl\fP bytes), followed by
the Response Value (R, \fIhl\fP bytes), followed by the NQN of the
Responder (NQNR, \fInqnrlen\fP bytes)