nvme_mi_msg_hdr(2)

General MI message header.

Section 2 libnvme-dev bookworm source

Description

libnvme

NAME

struct nvme_mi_msg_hdr - General MI message header.

SYNOPSIS

struct nvme_mi_msg_hdr {
__u8 type;
__u8 nmp;
__u8 meb;
__u8 rsvd0;

};

Members

type

MCTP message type, will always be NVME_MI_MSGTYPE_NVME

nmp

NVMe-MI message parameters (including MI message type)

meb

Management Endpoint Buffer flag; unused for libnvme-mi implementation

rsvd0

currently reserved

Description

Wire format shared by both request and response messages, per NVMe-MI section 3.1. This is used for all message types, MI and Admin.