libnvme(9) API Manual libnvme(9)

# [NAME](#NAME)

enum nvme\_feat\_bpwp\_state - Boot Partition Write Protection State

# [SYNOPSIS](#SYNOPSIS)

enum nvme\_feat\_bpwp\_state {  
**NVME\_FEAT\_BPWPS\_CHANGE\_NOT\_REQUESTED** ,  
**NVME\_FEAT\_BPWPS\_WRITE\_UNLOCKED** ,  
**NVME\_FEAT\_BPWPS\_WRITE\_LOCKED** ,  
**NVME\_FEAT\_BPWPS\_WRITE\_LOCKED\_PWR\_CYCLE** ,  
**NVME\_FEAT\_BPWPS\_WRITE\_PROTECTION\_RPMB**

};

# [Constants](#Constants)

[NVME\_FEAT\_BPWPS\_CHANGE\_NOT\_REQUESTED](#NVME_FEAT_BPWPS_CHANGE_NOT_REQUESTED)

Change in state not requested

[NVME\_FEAT\_BPWPS\_WRITE\_UNLOCKED](#NVME_FEAT_BPWPS_WRITE_UNLOCKED)

Write Unlocked

[NVME\_FEAT\_BPWPS\_WRITE\_LOCKED](#NVME_FEAT_BPWPS_WRITE_LOCKED)

Write Locked

[NVME\_FEAT\_BPWPS\_WRITE\_LOCKED\_PWR\_CYCLE](#NVME_FEAT_BPWPS_WRITE_LOCKED_PWR_CYCLE)

Write Locked Until Power Cycle

[NVME\_FEAT\_BPWPS\_WRITE\_PROTECTION\_RPMB](#NVME_FEAT_BPWPS_WRITE_PROTECTION_RPMB)

Write Protection controlled by RPMB

enum nvme\_feat\_bpwp\_state October 2026

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