---
name: "nvme_ns_id_desc_nidt_lens-libnvme3"
section: "2"
platform: "linux"
package: "nvme-cli"
version: "3.2-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/nvme_ns_id_desc_nidt_lens-libnvme3"
---

# nvme\_ns\_id\_desc\_nidt\_lens-libnvme3(2)

Namespace Identifier Descriptor Type Lengths

## NAME

enum nvme\_ns\_id\_desc\_nidt\_lens - Namespace Identifier Descriptor Type Lengths

## SYNOPSIS

enum nvme\_ns\_id\_desc\_nidt\_lens {\
     **NVME\_NIDT\_EUI64\_LEN** , \
\
     **NVME\_NIDT\_NGUID\_LEN** , \
\
     **NVME\_NIDT\_UUID\_LEN** , \
\
     **NVME\_NIDT\_CSI\_LEN**

};

## Constants

- NVME\_NIDT\_EUI64\_LEN

  IEEE Extended Unique Identifier length (8 bytes)

- NVME\_NIDT\_NGUID\_LEN

  Namespace Globally Unique Identifier length (16 bytes)

- NVME\_NIDT\_UUID\_LEN

  Universally Unique Identifier length (16 bytes)

- NVME\_NIDT\_CSI\_LEN

  Command Set Identifier length (1 byte)