libnvme(9) API Manual libnvme(9) NAME struct nvme_host_addressable_ns_data - Addressable Namespaces Data Structure SYNOPSIS struct nvme_host_addressable_ns_data { __le32 nsid; __u8 mat; __u8 rsvd5[3]; __le64 memo; }; Members nsid Namespace Identifier, may or may not be attached to the controller processing the command mat Memory Access Type, see enum nvme_host_addressable_ns_mat rsvd5 Reserved memo Memory Offset, the offset of the memory address for this namespace from the base address of the memory access type indicated in mat October 2026 struct nvme_host_addressable_ns_data libnvme(9)