DOKK / manpages / debian 12 / libnvme-dev / nvme_ns_id_desc_nidt.2.en
libnvme(2) API Manual libnvme(2)

enum nvme_ns_id_desc_nidt - Known namespace identifier types

enum nvme_ns_id_desc_nidt {
NVME_NIDT_EUI64 ,
NVME_NIDT_NGUID ,
NVME_NIDT_UUID ,
NVME_NIDT_CSI

};

IEEE Extended Unique Identifier, the NID field contains a copy of the EUI64 field in the struct nvme_id_ns.eui64.
Namespace Globally Unique Identifier, the NID field contains a copy of the NGUID field in struct nvme_id_ns.nguid.
The NID field contains a 128-bit Universally Unique Identifier (UUID) as specified in RFC 4122.
The NID field contains the command set identifier.
enum nvme_ns_id_desc_nidt January 2023