libnvme(9) API Manual libnvme(9)

# [NAME](#NAME)

enum nvme\_ns\_write\_protect\_cfg - Write Protection - Write Protection State

# [SYNOPSIS](#SYNOPSIS)

enum nvme\_ns\_write\_protect\_cfg {  
**NVME\_NS\_WP\_CFG\_NONE** ,  
**NVME\_NS\_WP\_CFG\_PROTECT** ,  
**NVME\_NS\_WP\_CFG\_PROTECT\_POWER\_CYCLE** ,  
**NVME\_NS\_WP\_CFG\_PROTECT\_PERMANENT**

};

# [Constants](#Constants)

[NVME\_NS\_WP\_CFG\_NONE](#NVME_NS_WP_CFG_NONE)

No Write Protect

[NVME\_NS\_WP\_CFG\_PROTECT](#NVME_NS_WP_CFG_PROTECT)

Write Protect

[NVME\_NS\_WP\_CFG\_PROTECT\_POWER\_CYCLE](#NVME_NS_WP_CFG_PROTECT_POWER_CYCLE)

Write Protect Until Power Cycle

[NVME\_NS\_WP\_CFG\_PROTECT\_PERMANENT](#NVME_NS_WP_CFG_PROTECT_PERMANENT)

Permanent Write Protect

enum nvme\_ns\_write\_protect\_cfg October 2026

---

Document: nvme_ns_write_protect_cfg-libnvme3(2) from nvme-cli 3.2-r0 (Chainguard OS)
Source: https://github.com/linux-nvme/nvme-cli