libnvme(9) API Manual libnvme(9)

# [NAME](#NAME)

enum nvme\_feat\_nswpcfg\_state - Write Protection - Write Protection State

# [SYNOPSIS](#SYNOPSIS)

enum nvme\_feat\_nswpcfg\_state {  
**NVME\_FEAT\_NS\_NO\_WRITE\_PROTECT** ,  
**NVME\_FEAT\_NS\_WRITE\_PROTECT** ,  
**NVME\_FEAT\_NS\_WRITE\_PROTECT\_PWR\_CYCLE** ,  
**NVME\_FEAT\_NS\_WRITE\_PROTECT\_PERMANENT**

};

# [Constants](#Constants)

[NVME\_FEAT\_NS\_NO\_WRITE\_PROTECT](#NVME_FEAT_NS_NO_WRITE_PROTECT)

No Write Protect

[NVME\_FEAT\_NS\_WRITE\_PROTECT](#NVME_FEAT_NS_WRITE_PROTECT)

Write Protect

[NVME\_FEAT\_NS\_WRITE\_PROTECT\_PWR\_CYCLE](#NVME_FEAT_NS_WRITE_PROTECT_PWR_CYCLE)

Write Protect Until Power Cycle

[NVME\_FEAT\_NS\_WRITE\_PROTECT\_PERMANENT](#NVME_FEAT_NS_WRITE_PROTECT_PERMANENT)

Permanent Write Protect

enum nvme\_feat\_nswpcfg\_state October 2026

---

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