libnvme(9) API Manual libnvme(9)

struct nvme_underlying_ns_list - Underlying Namespace List Data Structure (CNS 1Dh)

struct nvme_underlying_ns_list {
__le64 genctr;
__le16 nument;
__u8 rsvd10[6];
struct nvme_underlying_ns_entry entries[NVME_UNDERLYING_NS_LIST_MAX];
};

Generation Counter (GENCTR)
Number Entries (NUMENT)
Reserved
Underlying Namespace list, see struct nvme_underlying_ns_entry. Reportable up to NVME_UNDERLYING_NS_LIST_MAX entries.
struct nvme_underlying_ns_list October 2026